U.S. patent application number 14/197678 was filed with the patent office on 2014-09-11 for patient support apparatus with physical therapy system.
This patent application is currently assigned to Hill-Rom Services, Inc.. The applicant listed for this patent is Hill-Rom Services, Inc.. Invention is credited to Thomas F. HElL, Michael S. HOOD, Michelle KOVACH, Mark LANNING, Christopher R. O'KEEFE, John SPARKMAN, Varad SRIVASTAVA.
Application Number | 20140255890 14/197678 |
Document ID | / |
Family ID | 51488250 |
Filed Date | 2014-09-11 |
United States Patent
Application |
20140255890 |
Kind Code |
A1 |
KOVACH; Michelle ; et
al. |
September 11, 2014 |
PATIENT SUPPORT APPARATUS WITH PHYSICAL THERAPY SYSTEM
Abstract
A patient support apparatus configured to enable an occupant of
the patient support apparatus to perform a physical therapy routine
while being supported by the patient support apparatus.
Inventors: |
KOVACH; Michelle;
(Cincinnati, OH) ; O'KEEFE; Christopher R.;
(Columbus, OH) ; SRIVASTAVA; Varad; (Batesville,
IN) ; HElL; Thomas F.; (Batesville, IN) ;
SPARKMAN; John; (Oakwood, OH) ; LANNING; Mark;
(Mt. Pleasant, SC) ; HOOD; Michael S.;
(Batesville, IN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Hill-Rom Services, Inc. |
Batesville |
IN |
US |
|
|
Assignee: |
Hill-Rom Services, Inc.
Batesville
IN
|
Family ID: |
51488250 |
Appl. No.: |
14/197678 |
Filed: |
March 5, 2014 |
Related U.S. Patent Documents
|
|
|
|
|
|
Application
Number |
Filing Date |
Patent Number |
|
|
61774190 |
Mar 7, 2013 |
|
|
|
Current U.S.
Class: |
434/257 |
Current CPC
Class: |
G16H 40/63 20180101;
A61B 5/6891 20130101; A61G 7/0506 20130101; A61B 5/11 20130101;
G16H 20/30 20180101 |
Class at
Publication: |
434/257 |
International
Class: |
A63B 24/00 20060101
A63B024/00 |
Claims
1. A patient support apparatus for providing physical therapy to an
occupant, the patient support apparatus comprising: a processor, a
sensor unit operable to sense the position and motion of limbs of
the occupant in the patient support apparatus and to transmit
information representing the position and motion of the limbs of
the occupant to the processor, a graphical display coupled to the
processor and configured to display graphics based upon feedback
from the processor, a memory device coupled to the processor and
containing information representing an idealized set of positions
and motions of limbs of an occupant to be achieved by the occupant
while performing a physical therapy routine, wherein the processor
is configured to update the graphical display based upon (i) the
information representing the position and motion of the limbs of
the occupant performing the physical therapy routine received from
the sensor unit and (ii) a comparison between the information
representing the position and motion of limbs of the occupant and
the information representing the idealized set of positions and
motions of the limbs of an occupant performing a physical therapy
routine stored in the memory device.
2. The patient support apparatus of claim 1, wherein the processor
is configured to update the graphical display to display graphics
instructing the occupant to move the limbs of the occupant with at
least one of a first speed, a first range of motion, and a first
force to progress the physical therapy.
3. The patient support apparatus of claim 2, wherein the processor
is configured to update the graphical display to display graphics
instructing the occupant to move the limbs of the occupant with at
least one of a second speed, a second range of motion, and a second
force to progress the physical therapy, and the one of the second
speed, second range of motion, and second force are determined by
the comparison between the information representing the position
and motion of limbs of the occupant and the information
representing the idealized set of positions and motions of the
limbs of an occupant performing a physical therapy routine stored
in the memory device.
4. The patient support apparatus of claim 1, wherein the
information representing the idealized set of positions and motions
of limbs of the occupant are based upon a length of a limb of the
occupant.
5. The patient support apparatus of claim 1, wherein the
information representing the idealized set of positions and motions
of limbs of the occupant are based upon an age of the occupant.
6. The patient support apparatus of claim 1, wherein the sensor
unit is wirelessly connected to an assigned patient support
apparatus and the sensor unit sounds an audible alarm if the sensor
unit is moved to a position outside of a specified range of the
assigned patient support apparatus.
7. The patient support apparatus of claim 1 further including at
least one physiological sensor, the physiological sensor configured
to transmit information representing one of a heart rate,
respiration rate, calories burned, and temperature of the occupant
to the processor.
8. The patient support apparatus of claim 1, wherein the sensor
unit includes a number of weight sensors.
9. The patient support apparatus of claim 1, wherein the sensor
unit is mounted on a member of the patient support apparatus.
10. The patient support apparatus of claim 1, wherein the graphical
display is positioned to be visible to the occupant.
11. The patient support apparatus of claim 1, wherein the graphical
display is mounted on a member of the patient support
apparatus.
12. The patient support apparatus of claim 1, wherein the graphical
display is included in the sensor unit.
13. The patient support apparatus of claim 1, wherein the sensor
unit includes an image recording device.
14. The patient support apparatus of claim 1, wherein the sensor
unit includes at least one accelerometer.
15. The patient support apparatus of claim 1, wherein the sensor
unit includes at least one switch, the at least one switch having
an inactive and an active position, and the occupant is enabled to
move the at least one switch between the inactive position and the
active position.
16. The patient support apparatus of claim 15, wherein the at least
one switch is configured to offer a resistance against moving
between the inactive and active position.
17. The patient support apparatus of claim 16, wherein the
resistance offered by the switch is variable.
18. The patient support apparatus of claim 1, wherein the sensor
unit includes a radio frequency sensor.
19. The patient support apparatus of claim 1, wherein the processor
further creates data relating to statistics of the occupant while
performing the physical therapy routine, the data stored in the
memory device.
20. The patient support apparatus of claim 19, wherein the data is
automatically transmitted to a computer network of a hospital.
Description
CROSS-REFERENCE TO RELATED U.S. APPLICATION
[0001] This present application claims priority under 35 U.S.C.
.sctn.119(e) to U.S. Provisional Patent Application Ser. No.
61/774,190, entitled "PATIENT SUPPORT APPARATUS WITH PHYSICAL
THERAPY SYSTEM," which was filed on Mar. 7, 2013, the entirety of
which is hereby incorporated by reference.
BACKGROUND
[0002] The present disclosure is related to a patient support
apparatus. More specifically, the present disclosure is related to
a patient support apparatus configured to enable a patient to
perform a physical therapy routine while being supported by the
patient support apparatus.
[0003] In some instances, a physician prescribes physical therapy
to a patient to assist the patient's recovery after an injury
caused by physical trauma or disease. A nurse, physical therapist,
or caregiver may instruct and observe the patient while the patient
performs the prescribed physical therapy routine. The patient may
perform the physical therapy routine in a variety of locations
including a hospital room or the patient's home. Additionally, the
patient may perform the physical therapy routine when standing,
sitting, or while being supported by a patient support
apparatus.
[0004] One method of administering the prescribed physical therapy
routine, and verifying that the physical therapy routine is
correctly performed, is to hire a caregiver, trained in physical
therapy, to monitor the patient as the patient performs the
physical therapy routine. Requiring a caregiver, trained in
physical therapy, to supervise the patient can place a large
financial burden on the patient. Additionally, a hospital or other
facility may have a limited number of caregivers trained in
physical therapy. This may lead to less physical therapy sessions
for all patients in need of physical therapy or some patients with
marginal need of physical therapy receiving no physical therapy at
all.
[0005] Another method of administering the prescribed physical
therapy is to instruct the patient to perform self-guided physical
therapy. However, a patient may be unmotivated and choose not to
perform the required physical therapy. Additionally, the patient
may perform the physical therapy routine incorrectly causing poor
results or injury to the patient.
[0006] Patients prescribed physical therapy may be instructed to
remain in bed or may be physically unable to exit a bed. These
patients may experience difficulty in performing prescribed
physical therapy that requires the patient to be out of bed or
incorporates the use of heavy equipment. Additionally, a caregiver
trained in physical therapy may have a building or area within a
building dedicated to physical therapy sessions. The caregiver may
have to relocate to the patient's room due to the inability of the
patient to exit their bed. The travel associated with the caregiver
relocating may reduce the total time available to all patients for
physical therapy or increase the financial burden of the patient
receiving the physical therapy. By relocating to the patient's
room, the caregiver may be limited to assisting one patient instead
of multiple patients in a group therapy session. As such,
traditional physical therapy may be difficult or costly for some
patients and may lead to less physical therapy for all
patients.
SUMMARY
[0007] The present application discloses one or more of the
features recited in the appended claims and/or the following
features which, alone or in any combination, may comprise
patentable subject matter:
[0008] According to one aspect of the present disclosure, a patient
support apparatus for providing physical therapy to an occupant
comprises a processor, a sensor unit, a graphical display, and a
memory device. The sensor unit is operable to sense a position and
motion of limbs of the occupant in the patient support apparatus
and to transmit information representing the position and motion of
the limbs of the occupant to the processor. The graphical display
is coupled to the processor and configured to display graphics
based upon feedback from the processor. The memory device is
coupled to the processor and contains information representing an
idealized set of positions and motions of limbs of an occupant to
be achieved by the occupant while performing a physical therapy
routine. The processor is configured to update the graphical
display based upon the information representing the position and
motion of the limbs of the occupant performing the physical therapy
routine received from the sensor unit and a comparison between the
information representing the position and motion of limbs of the
occupant and the information representing the idealized set of
positions and motions of the limbs of an occupant performing a
physical therapy routine stored in the memory device.
[0009] In some embodiments, the processor may be configured to
update the graphical display to display graphics instructing the
occupant to move the limbs of the occupant with at least one of a
first speed, a first range of motion, and a first force to progress
the physical therapy. In some embodiments, the processor may be
configured to update the graphical display to display graphics
instructing the occupant to move the limbs of the occupant with at
least one of a second speed, a second range of motion, and a second
force to progress the physical therapy. The one of the second
speed, second range of motion, and second force may be determined
by the comparison between the information representing the position
and motion of limbs of the occupant and the information
representing the idealized set of positions and motions of the
limbs of an occupant performing a physical therapy routine stored
in the memory device.
[0010] In some embodiments, the information representing the
idealized set of positions and motions of limbs of the occupant may
be based upon a length of a limb of the occupant. In some
embodiments, the information representing the idealized set of
positions and motions of limbs of the occupant may be based upon an
age of the occupant.
[0011] In some embodiments, the sensor unit may be wirelessly
connected to an assigned patient support apparatus and the sensor
unit may sound an audible alarm if the sensor unit is moved to a
position outside of a specified range of the assigned patient
support apparatus.
[0012] In some embodiments, the patient support apparatus may
include at least one physiological sensor. The physiological sensor
may be configured to transmit information representing one of a
heart rate, a respiration rate, calories burned, and a temperature
of the occupant to the processor.
[0013] In some embodiments, the sensor unit may include a number of
weight sensors. In some embodiments, the sensor unit may be mounted
on a member of the patient support apparatus.
[0014] In some embodiments, the graphical display may be positioned
to be visible to the occupant. In some embodiments, the graphical
display may be mounted on a member of the patient support
apparatus. In some embodiments, the graphical display may be
included in the sensor unit.
[0015] In some embodiments, the sensor unit may include an
image-recording device. In some embodiments, the sensor unit may
include at least one accelerometer. In some embodiments, the sensor
unit includes a radio frequency sensor.
[0016] In some embodiments, the sensor unit may include at least
one switch. The at least one switch may have an inactive and an
active position. The occupant may be enabled to move the at least
one switch between the inactive position and the active
position.
[0017] In some embodiments, the at least one switch may be
configured to offer a resistance against moving between the
inactive and active position. In some embodiments, the resistance
offered by the switch may be variable.
[0018] In some embodiments, the processor may create data relating
to statistics of the occupant while performing the physical therapy
routine. The data may be stored in the memory device. In some
embodiments, the data may be automatically transmitted to a
computer network of a hospital. In some embodiments, the data
relating to statistics of the occupant may include at least one of
a heart rate of the occupant, a number of repetitions of the
physical therapy routine performed by the occupant, and a score
indicative of the caliber of the performance of the occupant.
[0019] In some embodiments, the sensor unit may include an
accelerometer, a switch, and a radio frequency sensor. In some
embodiments, the sensor unit may include an accelerometer, a
switch, the graphical display, and the processor. In some
embodiments, the graphical display may be a touch screen.
[0020] In some embodiments, the processor is may be configured to
update the graphical display based on a physical fitness of the
occupant. The physical fitness of the occupant may include
information relating to at least an age of the occupant, a weight
of the occupant, a height of the occupant, any medicines prescribed
to the occupant, and a daily physical fitness level of the
occupant.
[0021] In some embodiments, the patient support apparatus may be
configured to receive information from a computer network. The
physical fitness of the occupant may be determined from a medical
record including information relating to the physical fitness of
the occupant. The medical record may be received by the patient
support apparatus from the computer network.
[0022] In some embodiments, the processor may be configured to end
physical therapy based upon the information representing the
position and motion of the limbs of the occupant performing the
physical therapy routine received from the sensor unit and a
comparison between the information representing the position and
motion of limbs of the occupant and the information representing
the idealized set of positions and motions of the limbs of an
occupant performing a physical therapy routine stored in the memory
device. In some embodiments, the processor may be configured to
produce an alarm signal based upon the information representing the
position and motion of the limbs of the occupant performing the
physical therapy routine received from the sensor unit and a
comparison between the information representing the position and
motion of limbs of the occupant and the information representing
the idealized set of positions and motions of the limbs of an
occupant performing a physical therapy routine stored in the memory
device.
[0023] In some embodiments, the processor may be configured to
update the graphical display based upon information received from
the patient support apparatus. In some embodiments, the information
received from the patient support apparatus may include one of an
angle and a position of a portion of a mattress included in the
patient support apparatus.
[0024] In some embodiments, the processor may be in communication
with a computer network. In some embodiments, the memory device may
include a unique identifier. Information transmitted to the
computer network from the processor may include the unique
identifier.
[0025] According to one aspect of the present disclosure, a method
of monitoring an occupant's performance of a physical therapy
routine in a patient support apparatus comprises several steps. The
steps include displaying graphics on a graphical display
instructing the occupant to perform a physical therapy routine,
receiving information representing a position and motion of an
occupant's limbs, comparing the information representing the
position and motion of the occupant's limbs to a set of information
representing an optimal position and motion of limbs of an occupant
performing the physical therapy routine in the patient support
apparatus, and using the information representing the position and
motion of the occupant's limbs and the comparison to the set of
information representing the optimal position and motion of limbs
of an occupant performing the physical therapy routine in a patient
support apparatus as parameters to affect the graphics displayed on
the graphical display.
[0026] According to one aspect of the present disclosure, a patient
support apparatus for providing physical therapy to an occupant
supported by the patient support apparatus comprises a control
unit, a sensor, and a graphical display. The sensor is operable to
sense the position and motion a limb of the occupant in the patient
support apparatus and to transmit information representing the
position and motion of the limb of the occupant to the control
unit. The graphical display is coupled to the control unit and
configured to display graphics based upon instructions from the
control unit. The control unit is configured to monitor the
information representing the position and motion of the limb of the
occupant and transmit instructions to the graphical display based
on the information representing the position and motion of the limb
of the occupant.
[0027] In some embodiments, the control unit may be configured to
evaluate the position and motion of the limb of the occupant and
create data representing a caliber of the performance of the
occupant. In some embodiments, the patient support apparatus may be
configured to communicate the data representing the caliber of the
performance of the occupant to a computer network of a hospital. In
some embodiments, the instructions transmitted by the control unit
may be based on information stored on the computer network of the
hospital.
[0028] Additional features, which alone or in combination with any
other feature(s), including those listed above and those listed in
the claims, may comprise patentable subject matter and will become
apparent to those skilled in the art upon consideration of the
following detailed description of illustrative embodiments
exemplifying the best mode of carrying out the invention as
presently perceived.
BRIEF DESCRIPTIONS OF THE DRAWINGS
[0029] The detailed description particularly refers to the
accompanying figures in which:
[0030] FIG. 1 is a perspective view of a patient support apparatus
in accordance with the present disclosure monitoring an occupant
supported by the patient support apparatus performing a physical
therapy routine;
[0031] FIG. 2 is a diagrammatic view of the patient support
apparatus of FIG. 1, the patient support apparatus including a
control unit, a sensor unit, and a graphical display;
[0032] FIG. 3 is a diagrammatic view of one embodiment of the
sensor unit of FIG. 2 including at least one sensing device and a
sensor communications port;
[0033] FIG. 4 is a diagrammatic view of the patient support
apparatus of FIG. 1, the patient support apparatus configured to
communicate with a number of devices included in a computer network
of a healthcare facility;
[0034] FIG. 5 is a perspective view of another embodiment of a
patient support apparatus in accordance with the present disclosure
monitoring the occupant supported by the patient support apparatus
performing a physical therapy routine with a second embodiment of
the sensor unit;
[0035] FIG. 6 is a perspective view of another embodiment of a
patient support apparatus in accordance with the present disclosure
monitoring the occupant supported by the patient support apparatus
performing a physical therapy routine with a third embodiment of
the sensor unit;
[0036] FIG. 7 is a perspective view of another embodiment of a
patient support apparatus in accordance with the present disclosure
monitoring the occupant supported by the patient support apparatus
performing a physical therapy routine with a fourth embodiment of
the sensor unit;
[0037] FIG. 8 is a perspective view of another embodiment of a
patient support apparatus in accordance with the present disclosure
monitoring the occupant supported by the patient support apparatus
performing a physical therapy routine with a fifth embodiment of
the sensor unit; and
[0038] FIG. 9 is a perspective view of another embodiment of a
patient support apparatus in accordance with the present disclosure
monitoring the occupant supported by the patient support apparatus
performing a physical therapy routine with a sixth embodiment of
the sensor unit.
DETAILED DESCRIPTION
[0039] A patient support apparatus 10 is configured to enable an
occupant 12 to perform physical therapy and is shown in FIG. 1. In
some instances, occupant 12 is prescribed physical therapy to
recovery from an injury. In the illustrative embodiment, patient
support apparatus 10 is configured such that occupant 12 can
perform at least one physical therapy routine 24 while being
supported by patient support apparatus 10, thus occupant 12 is not
required to exit patient support apparatus 10 to perform at least
some of the physical therapy prescribed for occupant 12.
Furthermore, patient support apparatus 10 provides instructions for
performing physical therapy routine 24 to occupant 12. As such,
occupant 12 may perform physical therapy routine 24 alone or under
the supervision of a caregiver 13. Patient support apparatus 10
includes a number of devices operable to instruct and monitor the
progress of occupant 12 performing physical therapy routine 24 and
provide feedback to occupant 12.
[0040] Patient support apparatus 10 allows for continuous and
self-directed physical therapy treatment. Patient support apparatus
10 increases the level of difficulty of physical therapy routine 24
to an appropriate amount of challenge as occupant 12 physically
progresses. This approach accelerates patient mobility and leads to
reduced hospital stays, reduced re-admissions, and reduced need for
caregiver intervention.
[0041] Referring now to FIG. 2, patient support apparatus 10
includes a control unit 14, a sensor unit 16, and a graphical
display 18. Graphical display 18 is configured to display graphics
20 that inform or suggest to occupant 12 how to perform a
particular physical therapy routine 24. Sensor unit 16 is operable
to detect the position and the movement of one or more limbs 22 of
occupant 12 as occupant 12 performs the particular physical therapy
routine 24. Sensor unit 16 transfers information relating to the
position and movement of limbs 22 of occupant 12 to control unit
14. Control unit 14 compares the information received from sensor
unit 16 with information stored in control unit 14. Control unit 14
then updates graphics 20 on graphical display 18 based on the
information received from sensor unit 16 and the comparison made
between the information received from sensor unit 16 and the
information stored in control unit 14. Occupant 12 is informed as
to what movements are required to continue physical therapy routine
24 by the updated graphics 20. For example, graphics 20 may
indicate that the occupant 12 needs to increase a range of motion
or a repetition rate to meet the current target of the physical
therapy routine 24.
[0042] Patient support apparatus 10 continues to guide occupant 12
through physical therapy routine 24 until physical therapy routine
24 is terminated. For example, physical therapy routine 24 may be
terminated when occupant 12 completes physical therapy routine 24.
Physical therapy routine 24 may be terminated if patient support
apparatus 10 determines that occupant 12 is unable to complete the
physical therapy routine 24. For example, physical therapy routine
24 may be terminated if occupant 12 is unable to adequately
increase their range of motion or complete the required number of
repetitions as required by physical therapy routine 24.
Additionally, occupant 12 may voluntarily and prematurely quit
performing physical therapy routine 24. In such instances, patient
support apparatus 10 may automatically terminate physical therapy
routine 24 and produce an alarm signal to alert caregiver 13 that
physical therapy routine 24 has been terminated.
[0043] In some embodiments, patient support apparatus 10 further
includes a main communications port 26. Main communications port 26
communicates information relating to the performance of physical
therapy routine 24 by occupant 12 between patient support apparatus
10 and a computer network 28, as shown in FIGS. 2 and 4.
[0044] Control unit 14 included in patient support apparatus 10 is
shown in FIG. 2. Control unit 14 controls the progression of
physical therapy routine 24. In some embodiments, control unit 14
is integrated with a main control unit (not shown) of patient
support apparatus 10. In other embodiments, control unit 14 is
configured to control only physical therapy routine 24. Control
unit 14 receives information from sensor unit 16 and updates
graphics 20 displayed on graphical display 18 in response to the
information received from sensor unit 16. In the illustrative
embodiment, control unit 14 includes a memory device 32 and a
processor 30.
[0045] Memory device 32 stores information electronically and is
configured to communicate with processor 30. Processor 30 is
configured to receive information from memory device 32 and
transmit information to memory device 32 to store. The information
stored on memory device 32 includes instructions to initiate,
progress, and end physical therapy routine 24. Memory device 32
includes an idealized set of positions and motions of limbs 22 of
occupant 12 performing physical therapy routine 24 and supported by
patient support apparatus 10. In some embodiments, memory device 32
further includes an unchanging unique identifier. The unique
identifier is unique for each control unit 14. Information
transmitted to computer network 28 from control unit 14 includes
the unique identifier.
[0046] The idealized set of positions included in memory device 32
may include ideal Cartesian coordinates of an arm 22A of occupant
12 for each position of physical therapy routine 24. The idealized
set of motions, as another example, include an ideal time that it
should take occupant 12 to move between each position of physical
therapy routine 24. In some embodiments, the idealized set of
positions and motions are based upon statistical averages of human
anatomy. In other embodiments, the idealized set of positions and
motions are based upon the anatomy of occupant 12. For example, the
idealized set of positions and motions are based upon the length of
the arms and legs of occupant 12 or the age and physical fitness of
occupant 12.
[0047] Processor 30 included in control unit 14 communicates with
graphical display 18, memory device 32, and sensor unit 16.
Processor 30 receives information from sensor unit 16 during
physical therapy routine 24. At least some of the information
received from sensor unit 16 includes information relating to the
position and motion of limbs 22 of occupant 12. Additionally,
processor 30 receives information from memory device 32 relating to
an idealized set of positions and motions of occupant 12 performing
physical therapy routine 24 while supported by patient support
apparatus 10.
[0048] Processor 30 compares the information relating to the
position and motion of limbs 22 of occupant 12 with the idealized
set of positions and motions of occupant 12 performing physical
therapy routine 24. Processor 30 communicates with graphical
display 18 to update graphics 20 displayed on graphical display 18
based upon the information relating to the position and motion of
limbs 22 of occupant 12 and the comparison of the information
relating to the position and motion of limbs 22 of occupant 12 with
the idealized set of position and motion of an occupant of patient
support apparatus 10 performing physical therapy routine 24.
[0049] In some embodiments, processor 30 is further configured to
update graphical display 18 based upon a physical fitness of
occupant 12. The physical fitness of occupant 12 may include
information relating to at least an age of occupant 12, a weight of
occupant 12, a height of occupant 12, any medicines prescribed to
occupant 12, and a daily physical fitness level of occupant 12. In
embodiments where patient support apparatus 10 includes a main
communications port 26, the physical fitness of occupant 12 may be
received from computer network 28. In some embodiments, the
physical fitness of occupant 12 may be determined from a medical
record including information relating to the physical fitness of
occupant 12, where the medical record is received by patient
support apparatus 10 from computer network 28. In some embodiments,
the physical fitness of occupant 12 is received from computer
network 28 automatically.
[0050] Processor 30 is configured to increase the level of
difficulty of physical therapy routine 24. Processor 30 determines
the level of difficulty of physical therapy routine 24 based upon
the information relating to the position and motion of limbs 22 of
occupant 12 and the comparison of the information relating to the
position and motion of limbs 22 of occupant 12 with the idealized
set of position and motion of an occupant of patient support
apparatus 10 performing physical therapy routine 24. In some
embodiments, the level of difficulty is further based upon the
physical fitness of occupant 12. Processor 30 increases the level
of difficulty of physical therapy routine 24 by updating graphical
display 18 in a way that requires occupant 12 to move with a
greater speed, range of motion, and/or with more force to complete
physical therapy routine 24.
[0051] In some embodiments, processor 30 increases the level of
difficulty of physical therapy routine 24 for occupant 12 during
physical therapy routine 24. In some embodiments, processor 30
increases the level of difficulty of physical therapy routine 24
for the next physical therapy routine 24 preformed by occupant 12
subsequent a successfully completed physical therapy routine
24.
[0052] In some embodiments, processor 30 disables certain features
of patient support apparatus 10 while occupant 12 performs physical
therapy routine 24. Processor 30 ends physical therapy routine 24
if the information from other devices (not shown) on patient
support apparatus 10 or sensor unit 16 suggests occupant 12 is in a
hazardous position. For example, patient support apparatus 10 may
automatically end physical therapy routine 24 if occupant 12 has
achieved a position in which occupant 12 is at excessive risk of
falling from patient support apparatus 10. Furthermore, patient
support apparatus 10 may automatically produce and alarm signal
used to alert caregiver 13 in response to detecting that occupant
12 is in a hazardous position.
[0053] In some embodiments, processor 30 creates data 34 relating
to the statistics of occupant 12 performing physical therapy
routine 24. The statistics may be, for example, a score indicative
of the caliber of the performance of occupant 12 or the number of
repetitions of a particular physical therapy routine 24 performed
by occupant 12. As another example, the statistics created by
processor 30 include physiological measurements of occupant 12
during physical therapy routine 24, for example, the heart rate of
occupant 12. As yet another example, data 34 includes the
progression of occupant 12 over the course of performing several
progressive physical therapy routines 24. Processor 30 transmits
data 34 relating to the statistics of occupant 12 to memory device
32 for memory device 32 to store. In embodiments where patient
support apparatus 10 includes main communications port 26, data 34
relating to the statistics of occupant 12 may be transmitted to
computer network 28. In some embodiments, data 34 is transmitted to
computer network 28 automatically.
[0054] Graphical display 18 informs occupant 12 as to how to
perform physical therapy routine 24. Graphical display 18 displays
graphics 20 in response to input from processor 30. Graphics 20
displayed on graphical display 18 inform or suggest to occupant 12
how to perform physical therapy routine 24. In some embodiments,
graphical display includes speakers 23 that audibly inform occupant
12 as to how to perform physical therapy routine 24. Speakers 23
also produce audible sounds to enhance the experience of physical
therapy routine 24.
[0055] In some embodiments, graphical display 18 expressly informs
occupant 12 how to perform physical therapy routine 24. For
example, graphical display 18 displays and audibly produces words
describing how occupant 12 should position and move their limbs 22.
In other embodiments, graphical display 18 indirectly informs or
suggests to occupant 12 how to perform physical therapy routine 24.
For example, graphical display 18 displays graphics 20 of a person
performing physical therapy routine 24, suggesting that occupant 12
should position and move their limbs 22 in a manner similar to the
person displayed on graphical display 18. In another example,
graphical display 18 displays graphic 20 in a specific location on
graphical display 18, suggesting occupant 12 should position and
move at least one of their limbs 22 to mirror graphic 20.
[0056] Graphical display 18 may be any device capable of informing
occupant 12 how to perform physical therapy routine 24. In some
embodiments, graphical display 18 is an electronic visual display
capable of rendering different graphics, for example a touch-screen
monitor. In other embodiments, graphical display 18 includes
pre-determined shapes that are configured to be illuminated. For
example, graphical display 18 may be a television or a mat 150
including images of hands and feet where a specific image of a hand
is illuminated when occupant 12 needs to place a hand 22H over the
illuminated image of a hand to perform physical therapy routine
24.
[0057] In some embodiments, when graphical display 18 is included
in sensor unit 16, for example when sensor unit is mat 150,
occupant 12 is supported by graphical display 18. In other
embodiments, a number of graphical displays 22 are positioned at
several locations on patient support apparatus 10. For example,
graphical display 18 may be one or more television screens or
illuminated graphics 20 located on a side rail 40, a headboard 42,
or a footboard 44 of patient support apparatus 10.
[0058] In other embodiments graphical display is positioned at a
single location on patient support apparatus 10. For example,
graphical display 18 is coupled to footboard 44 in FIG. 1. In some
embodiments, graphical display 18 rotates so that graphical display
18 faces toward occupant 12 positioned in patient support apparatus
10 or face away from occupant 12, for example, toward a caregiver
(not shown) positioned between occupant 12 and graphical display
18.
[0059] Referring now to FIG. 2, in some embodiments, patient
support apparatus 10 includes main communications port 26. Main
communications port 26 enables patient support apparatus 10 to
communicate with computer network or system 28 of a healthcare
facility as indicated diagrammatically in FIG. 4 by double-headed
arrows 50. Main communications port 26 may communicate with
computer network 28 through a wired or wireless datalink.
[0060] Included in computer network 28 is a nurse call system 52,
an electronic medical record database 54, a nurse call/locating
badge 56, one ore more computers programmed with workflow process
software 58, (such as, for example, NaviCare.RTM. software which is
available from Hill-Rom Company, Inc.), one or more personal
digital assistant (PDA's) 60, one or more voice communications
badges 62, and one or more pagers 64. In some embodiments, nurse
call system 52 and badges 56 are of the type available as part of
the ComLinx.TM. system from Hill-Rom Company, Inc.
[0061] Main communications port 26 includes a transmitter 70 and a
receiver 72. Main communications port 26 is configured to
communicate with one or more computers in computer network 28 via
transmitter 70. For example, transmitter 70 transmits data 34
relating to statistics of occupant 12 performing physical therapy
routine 24 along with measurements from a physiological sensor 78.
Transmitter 70 is also configured to transmit an alarm signal to
one or more computers in computer network 28 to alert a caregiver
13 of the status of occupant 12, for example, if occupant 12 is no
longer performing physical therapy routine 24.
[0062] Receiver 72 included in main communications port 26 receives
information from the one or more computers in computer network 28.
For example, receiver 72 receives information relating to the
physical fitness of occupant 12. The information relating to the
physical fitness of occupant 12 may be from a medical record of
occupant 12 stored in a database of computer network 28. Processor
30 is configured to update graphics 20 on graphical display 18 to
instruct occupant 12 to perform physical therapy routine 24 with a
difficulty suitable for the physical fitness of occupant 12.
[0063] Sensor unit 16 is configured to sense the position and
motion of limbs 22 of occupant 12 and transmit information relating
to the position and motion of limbs 22 of occupant 12 to processor
30 as shown in FIGS. 2 and 3. Sensor unit 16 includes at least one
sensing device 74 and a sensor communications port 76. In some
embodiments, sensor unit 16 further includes at least one of
physiological sensor 78, an alarm 80, and an auxiliary feedback
device 82. In some embodiments, sensor unit 16 is a portable device
physically uncoupled with patient support apparatus 10. For
example, sensor unit 16 may be a tablet computer or handheld
controller. In some embodiments sensor unit 16 is omitted and
components of sensor unit 16 are integral with patient support
apparatus 10. For example, sensing devices 74 may be integral with
side rails 40 or footboard 44.
[0064] Sensor communications port 76 communicates information
between sensor unit 16 and processor 30. Sensor communications port
includes a transmitter 86 that transmits information to processor
30. The information transmitted to processor 30 includes, for
example, the information relating to the position and movement of
limbs 22 of occupant 12 and measurements from physiological sensor
78.
[0065] In some embodiments, sensor communications port 76 includes
a receiver 88 configured to receive information from processor 30.
The information received from processor 30 includes, for example,
instructions to control sensing device 74, physiological sensor 78,
alarm 80, and auxiliary feedback device 82. Sensor communications
port 76 may communicate with processor 30 through a wired or
wireless datalink.
[0066] Sensing device 74 is configured to detect at least
information relating to the position and motion of limbs 22 of
occupant 12. Sensing device 74 may be one of a number of types of
sensors. For example, sensing device 74 may include an
accelerometer 100, a camera 120, a weight sensor 110, radio
frequency sensor 140, and a switch 130. In some embodiments, sensor
unit 16 includes multiple sensing devices 74. For example, in one
embodiment, sensor unit 16 includes at least one accelerometer 100
and at least one switch 130. In another embodiment, sensor unit 16
includes a video camera 120 and a number of weight sensors 110.
[0067] In some embodiments, sensing device 74 is at least one
camera 120 as shown in FIG. 1. Camera 120 is configured to record
images of occupant 12. The images of occupant 12 are communicated
to processor 30. Processor 30 is configured to determine the
movement and position of the limbs 22 of occupant 12 based on the
images recorded by camera 120. The movement and position of limbs
of occupant 12 are determined by the images and a comparison
between consecutive images.
[0068] In some embodiments, two cameras are used for a larger field
of view or to enable processor 30 to determine depth of objects in
the field of view of cameras 120. Camera 120 is configured to be
mounted at any location where the viewing area of camera 120
includes at least one of the limb 22 of occupant 12 required to
perform physical therapy routine 24. For example, cameras 120 may
be mounted on the side rails 40, headboard 42, or footboard 44 of
patient support apparatus 10. Camera 120 may be independently
mounted to a tripod 122 next to patient support apparatus 10.
Camera 120 may be any device capable of recording images of
occupant 12. For example, camera 120 may be a video camera, a
digital camera, a depth camera, and stereo cameras. Camera 120 may
detect in the visible light spectrum or in the infrared light
spectrum.
[0069] In some embodiments, sensing device 74 is accelerometer 100
as shown, as an example, in FIG. 5. Accelerometer 100 is able to
measure acceleration of sensor unit 16 in a first directional axis
102. In some embodiments, when sensor unit 16 includes
accelerometers 100, sensor unit 16 includes three accelerometers
100A, 100B, and 100C to receive acceleration information about
three axes. Accelerometer 100A is able to measure acceleration in
first directional axis 102. Accelerometer 100B is able to measure
acceleration in a second directional axis 104 orthogonal to first
directional axis 102. Accelerometer 100C is able to measure
acceleration in a third directional axis 106 orthogonal to both
first directional axis 102 and second directional axis 104.
[0070] In some embodiments including accelerometers 100, occupant
12 holds sensor unit 16 in one or both hands 22H. In some
embodiments, graphical display 18 instructs occupant 12 as to which
hand or hands 22H should hold sensor unit 16. Occupant 12
performing physical therapy routine 24 moves arms 22A and hands 22H
as required to complete physical therapy routine 24. Accelerometers
100A, 100B, 100C measure the acceleration of sensor unit 16 as
occupant 12 moves hands 22H. Processor 30 uses the acceleration
measurements to determine relative position of limbs 22 of occupant
12 between positions. As such, sensor unit 16 is able to measure
the acceleration of limbs 22 of occupant 12 as well as the relative
position of limbs 22 of occupant 12 during physical therapy routine
24.
[0071] In some embodiments, sensing device 74 is a radio frequency
sensor 140 as shown in FIG. 5. Radio frequency sensor 140 transmits
and receives radio waves to determine a point in space where sensor
unit 16 is pointing. As an example, radio frequency sensor 140 is
included in an end 142 of sensor unit 16. End 142 of sensor unit 16
is pointed at graphical display 18 coupled to footboard 44 of
patient support apparatus 10. Processor 30 determines a point 144
on graphical display 18 that sensor unit 16 is being pointed based
on the information from radio frequency sensor 140. Point 144
appears as a cursor 146 on graphical display 18.
[0072] Occupant 12 is able to use sensor unit 16 including radio
frequency sensor 140 as a pointer to control graphic display 18. As
an example, in FIG. 5, sensor unit 16 is elongated and configured
to be held in one hand 22H of occupant 12. Sensor unit 16 includes
radio frequency sensor 140 in end 142 of sensor unit 16. Occupant
12 is able to orient sensor unit 16 such that cursor 146 appears on
graphical display 18 at a location desired by occupant 12. As one
example, graphical display 18 displays several menu options.
Occupant 12 orients sensor unit 16 such that cursor 146 highlights
a desired menu option on graphical display 18. Occupant 12 selects
the highlighted menu option by depressing a button on sensor unit
16 while the menu option is highlighted. In another example of
occupant 12 using radio frequency sensor 140 to perform physical
therapy routine 24, a number of graphics 20 are displayed on
graphical display 18 and occupant 12 is instructed to orient sensor
unit 16 such that cursor 146 is moved towards and virtually
contacts graphics 20. As such, the hand 22H and wrist of occupant
12 orienting sensor unit 16 are strengthened.
[0073] In some embodiments, sensing device 74 is a weight sensor
110 as shown in FIG. 6. Weight sensor 110 is capable of measuring
an amount of weight applied to weight sensor 110. In some
embodiments, a number of weight sensors 110 are included in patient
support apparatus. In one embodiment, as an example, patient
support apparatus 10 includes a number of weight sensors 110 in a
deck section 46 of patient support apparatus 10.
[0074] Occupant 12 is supported by deck section 46 and, as such,
the weight of occupant 12 is distributed to the number of weight
sensors 110. As occupant 12 moves in patient support apparatus 10,
the weight of occupant 12 is redistributed to the number of weight
sensors 110. The number of weight sensors 110 communicate the
weight of occupant 12 measured by each weight sensor 110 to
processor 30. Processor 30 is configured to determine the movement
and position of the limbs 22 of occupant 12 based on the change in
the weight measured by each weight sensor 110 when occupant 12
moves.
[0075] In some embodiments, sensing device 74 is a switch 130 as
shown in FIGS. 7 and 8. Switch 130 has an active position and an
inactive position. Switch 130 is in the active position when switch
130 is closed by occupant 12. Switch 130 is in the inactive
position when switch 130 is opened by occupant 12. Sensor unit 16
is configured to communicate the position of switch 130 to
processor 30. Switch 130 may be any device capable of changing from
an inactive position to an active position by occupant 12. For an
example, switch 130 may be a push button 130P, a foot pedal switch
130F, or a touch-screen 130TS.
[0076] In some embodiments, a number of switches 130 are coupled to
patient support apparatus 10. Push buttons 130P are initially in
the inactive position. Occupant 12 can move push buttons 130P to
the active position by depressing push buttons 130P. In one
embodiment, push buttons 130P are coupled to side rails 40,
headboard 42, and footboard 44. A limb 22 of occupant 12 is able to
reach out and depress, and thus move to the active position, any of
the number of push buttons 130P. Patient support apparatus 10
informs occupant 12 as to which push button 130P to depress, the
amount of time to depress it, and which limb 22 to depress push
button 130P.
[0077] In some embodiments, push button 130P illuminates a graphic
20 of a limb 22 of occupant 12 to indicate occupant 12 should
depress the illuminated push button 130P with limb 22 until push
button 130P is no longer illuminated. In other embodiments, sensor
unit 16 includes a number of push buttons 130P to enable occupant
12 to communicate with patient support apparatus 10. For example,
occupant 12 depresses a first push button 130P to answer in the
affirmative in response to a prompt on graphical display 18.
Occupant 12 instead depresses a second push button 130P to answer
in the negative in response to the prompt on graphical display 18.
In yet another embodiment, when graphical display is a mat 150 for
example, switches 130 are included in graphical display 18.
[0078] In some embodiments where sensing device 74 is intended to
be touched or pressed upon by occupant 12, for example, when
sensing device 74 is weight sensor 110 or switch 130, sensing
device 74 has variable resistance such that occupant 12 must press
upon sensing device 74 with enough force to overcome a
predetermined threshold value. For example, sensing device 74 may
have a constant resistance rate such that sensing device 74 resists
forces applied to sensing device 74 by occupant 12 in a linear
relationship and occupant 12 must apply a force to sensing device
74 greater than the threshold value to progress the physical
therapy routine 24. As another example, sensing device 74 may
actively resist any force applied to sensing device 74 by occupant
12 such that sensing device 74 applies a greater force to occupant
12 than occupant 12 applies to sensing device 74 and occupant 12
must apply a force to sensing device 74 greater than the threshold
value to progress the physical therapy routine 24. Sensing device
74 may apply a greater force than occupant 12, for example, by an
actuator coupled to sensing device 74.
[0079] In another embodiment, sensing device 74 is a proximity
sensor 90. Proximity sensor 90 detects when proximity sensor 90 is
proximate to patient support apparatus 10. Proximity sensor 90 may
be any device capable of detecting the proximity of proximity
sensor 90 to patient support apparatus 10. For an example, patient
support apparatus 10 and proximity sensor 90 are in wireless
communication with each other. In some embodiments, patient support
apparatus 10 has a specific wireless communication range. Patient
support apparatus 10 is able to detect proximity sensor 90 so long
as proximity sensor 90 is within the specific wireless
communication range of patient support apparatus 10.
[0080] In some embodiments, where sensor unit 16 includes proximity
sensor 90, sensor unit 16 is assigned to a specific patient support
apparatus. Alarm 80 is activated if proximity sensor 90 is moved to
a location outside of a specified range of patient support
apparatus 10. This is helpful, for example, to reduce the chance of
losing sensor unit 16 by activating alarm 80 if sensor unit 16 is
moved away from the assigned patient support apparatus 10.
[0081] In some embodiments, patient support apparatus 10 includes
physiological sensor 78 as shown in FIG. 3. Physiological sensor 78
measures at least one vital sign of occupant 12. For example,
physiological sensor 78 may be a heart rate monitor, a thermometer,
and a respiration sensor. Physiological sensor 78 measures, for
example, the heart rate, body temperature, respiration rate, skin
temperature of occupant 12, or the amount of calories burned by
occupant 12 during physical therapy routine 24. In some
embodiments, physiological sensor 78 is coupled to sensor unit 16
as shown in FIG. 3. In other embodiments, physiological sensor 78
is separated from sensor unit 16 and communicates with control unit
14 independently.
[0082] The measurements of the vital signs of occupant 12 are
communicated to processor 30. In some embodiments, processor 30
uses the measurements of the vital signs of occupant 12 to help
determine what graphics 20 are displayed on graphical display 18.
For example, graphical display 18 displays graphics 20 that inform
occupant 12 to perform a less physically demanding physical therapy
routine 24 in response to the heart rate measurement of occupant
12. Processor 30 is configurable to activate an alarm 80 based on
the value of the measurements. For example, processor 30 activates
alarm 80 if the heart rate measurement of occupant 12 exceeds a
predetermined threshold value.
[0083] In some embodiments, sensor unit 16 includes alarm 80 as
shown in FIG. 3. Alarm 80 may be any device capable of alerting
occupant 12 and caregiver 13. For example, in some embodiments,
alarm 80 is audible and visible. Alarm 80 is configured to be
activated by a number of conditions. As an example, alarm 80 is
activated if a vital sign measurement from physiological sensor 78
exceeds a predefined threshold. As another example, alarm 80 is
activated if sensor unit 16 is separated from patient support
apparatus 10 by a distance larger than a predetermined range.
[0084] In some embodiments, sensor unit 16 includes an auxiliary
feedback device 82 as shown in FIG. 3. Auxiliary feedback device 82
may be any device capable of providing feedback to occupant 12
performing physical therapy routine 24. In an illustrative
embodiment, auxiliary feedback device 82 is capable of vibrating
sensor unit 16. Sensor unit 16 vibrates, for example, if occupant
12 incorrectly performs physical therapy routine 24. In other
embodiments, auxiliary feedback device 82 may be a speaker, a
light, or an aroma.
[0085] In some embodiments, patient support apparatus 10
incorporates controls or buttons for controlling other features
included in patient support apparatus 10 into physical therapy
routine 24. Incorporating the controls of features included in
patient support apparatus 10 and outside of sensor unit 16 into
physical therapy routine 24 increases the scope of the physical
anatomy of occupant 12 that can be treated by physical therapy
routine 24. Additionally, the sensory perception of occupant 12 may
be tested and treated by physical therapy routine 24 by
incorporating the controls of features outside of sensor unit
16.
[0086] For example, physical therapy routine 24 may incorporate the
controls for adjusting lights included in patient support apparatus
10 or the angle of a head section of a mattress included in patient
support apparatus 10. These controls are not included in sensor
unit 16 and may be included in patient support apparatuses that do
not include physical therapy routine 24. Physical therapy routine
24 may require occupant 12 to adjust the angle of the head section
of the mattress via the buttons that control the angle of the head
section. Physical therapy routine 24 may progress only after
occupant 12 has adjusted the angle of the head section to the
required angle. By adjusting the angle of the head section
correctly, occupant 12 demonstrates both the mentally ability to
understand and the physically capability to execute the
instructions.
[0087] In some embodiments, sensor unit 16 includes a combination
of sensing devices 74, physiological sensors 78, alarms 80, and
auxiliary feedback devices 82. FIG. 1 shows one embodiment of
patient support apparatus 10 where sensing device 74 includes a
number of cameras 120. As one example of occupant 12 using sensor
unit 16 to perform physical therapy routine 24, a first graphic 20F
is displayed on graphical display 18. Occupant 12 is instructed to
point foot 22F at first graphic 20F. Cameras 120 record the
position and movement of occupant 12 and occupant 12 points foot
22F at first graphic 20F. Processor 30 compares the information
from cameras 120 to the information relating to the ideal position
and movement of an occupant. After processor 30 determines that the
position and movement of foot 22F of occupant 12 are adequate,
where the adequacy is based on the comparison between the position
and movements of foot 22F of occupant 12 and the ideal position and
movement of an occupant, processor 30 instructs graphical display
18 to remove first graphic 20F and display a second graphic 20S on
graphical display 18.
[0088] Second graphic 20S informs occupant 12 to point foot 22F at
second graphic 20S. Cameras 120 record the position and movement of
occupant 12 as occupant 12 points foot 22F at second graphic 20S.
Processor 30 compares the information from cameras 120 to the
information relating to the ideal position and movement of an
occupant. After processor 30 determines that the position and
movements of foot 22F of occupant 12 are adequate, processor 30
increases repetition counter 152 by one repetition. Processor 30
instructs graphical display 18 to remove second graphic 20S and
display first graphic 20F on graphical display 18. Physical therapy
routine 24 repeats in this manner until occupant 12 has completed a
prescribed number of repetitions.
[0089] FIG. 5 shows an embodiment of patient support apparatus 10
where sensing device 74 includes a number of accelerometers 100,
radio frequency sensor 140, and a number of switches 130. As an
example of occupant 12 using the illustrative embodiment of sensor
unit 16 to perform physical therapy routine 24, first graphic 20F
is displayed in the upper-right corner of graphical display 18.
Occupant 12 holds sensor unit 16 in hand 22H of limb 22 requiring
physical therapy. Occupant 12 points end 142 of sensor unit 16,
including radio frequency sensor 140, at first graphic 20F and
depresses one of the number of switches 130. Accelerometers 100 and
radio frequency sensor 140 work together to accurately record
information relating to the position and movement of limb 22 of
occupant 12.
[0090] Processor 30 compares the information relating to the
position and movement of hand 22H of occupant 12 and information
relating to the ideal position and movement of a hand of an
occupant. If processor 30 determines that the physical therapy
routine 24 position was adequate, processor 30 instructs graphical
display 18 to display second graphic 20S in the upper-left corner
of graphical display 18. Second graphic 20S informs occupant 12 as
to where to move limb 22 to continue physical therapy routine
24.
[0091] Occupant 12 moves limb 22 and points sensor unit 16 at
second graphic 20S and depresses one of the number of switches 130
in response to second graphic 20S appearing on graphical display
18. Processor 30 receives information from sensor unit 16 relating
to the measurements of accelerometers 100, radio frequency sensor
140, and switch 130 and compares the information to the idealized
values of limbs 22 of an occupant 12 moving sensor unit 18 from
first graphic 20F to second graphic 20S.
[0092] Processor 30 determines a score 92 based on the difference
between the information relating to the movement and position of
limbs 22 of occupant 12 and the idealized movement and positions of
an occupant. A third graphic 20T and score 92 of occupant 12 is
displayed on graphical display 18 in response to the comparison
made by processor 30. Additionally, speaker 23 of graphical display
18 may produce an audible sound indicating that occupant 12
performed the physical therapy routine adequately.
[0093] However, graphical display 18 may remain the same, for
example, if processor 30 determines the movement and position of
limbs 22 of occupant 12 were not sufficient to complete that
physical therapy routine 24 position. Speaker 23 produces an
audible sound indicating that occupant 12 did not perform the
physical therapy routine adequately.
[0094] FIG. 6 shows an embodiment of patient support apparatus 10
where sensing device 74 includes a number of weight sensors 110. As
an example of occupant 12 using sensor unit 16 to perform physical
therapy routine 24, an avatar 148 representing occupant 12 is
displayed on graphical display 18. Avatar 148 is configured to move
on graphical display 18 relative to the amount of weight of
occupant 12 distributed to each weight sensor 110. First graphic
20F is displayed on graphical display 18 informing occupant 12 to
move avatar 148 toward first graphic 20F. Occupant 12 moves limbs
22 to redistribute the weight of occupant 12 distributed to each
weight sensor 110. For example, occupant 12 leans to the left to
apply more weight to weight sensors 110 located on a left side of
patient support apparatus 10. Weight sensors 110 record the amount
of weight distributed to each weight sensor 110 as information
relating to the position and movement of limb 22 of occupant
12.
[0095] Processor 30 compares the information relating to the
position and movement of occupant 12 and information relating to
the ideal position and movement of an occupant. If processor 30
determines that the physical therapy routine 24 position was
adequate, processor 30 instructs graphical display 18 to display
second graphic 20S on graphical display 18. Second graphic 20S
informs occupant 12 as to where to move avatar 148 to continue
physical therapy routine 24.
[0096] Processor 30 determines score 92 based on the difference
between the information relating to the movement and position of
occupant 12 and the idealized movement and positions of an
occupant. However, graphical display 18 may remain the same, for
example, if processor 30 determines the movement and position of
occupant 12 were not sufficient to complete that physical therapy
routine 24 position.
[0097] FIG. 7 shows an embodiment of patient support apparatus 10
where sensor unit 16 includes a touch-screen graphical display
130TS and sensing device 74 includes a number of accelerometers 100
and a number of switches 130. As a first example of occupant 12
using sensor unit 16 to perform physical therapy routine 24, cursor
146 and first graphic 20F are displayed on graphical display 18.
Cursor 146 is configured to move on graphical display 18 in
response to occupant 12 rotating sensor unit 16. Occupant 12 moves
limbs 22 to rotate sensor unit 16 to try to make cursor 146 contact
first graphic 20F. Accelerometers 100 record the rotation of sensor
unit 16 as information relating to the position and movement of
limb 22 of occupant 12.
[0098] Processor 30 compares the information relating to the
position and movement of occupant 12 and information relating to
the ideal position and movement of an occupant. If processor 30
determines that the physical therapy routine 24 position was
adequate, processor 30 instructs graphical display 18 to display
second graphic 20S on graphical display 18. Second graphic 20S
informs occupant 12 as to where to move cursor 146 to continue
physical therapy routine 24.
[0099] Processor 30 determines score 92 based on the difference
between the information relating to the movement and position of
occupant 12 and the idealized movement and positions of an
occupant. A second graphic 20S and score 92 of occupant 12 are
displayed on graphical display 18 in response to the comparison
made by processor 30. However, graphical display 18 may remain the
same, for example, if processor 30 determines the movement and
position of occupant 12 were not sufficient to complete that
physical therapy routine 24 position.
[0100] As a second example of using the patient support apparatus
of FIG. 7, occupant 12 is required to press upon touch-screen
graphical display 130TS where first graphic 20F is displayed.
Processor 30 instructs graphical display 18 to display a second
graphic 20S when occupant 12 touches first graphic 20F.
[0101] FIG. 8 shows an embodiment of patient support apparatus 10
where sensing device 74 includes a number of push buttons 130P. As
an example of occupant 12 using sensor unit 16 to perform physical
therapy routine 24, one of the number of push buttons 130P is
illuminated. Occupant moves limb 22 to illuminated push button 130P
and depresses push button 130P until illuminated push button 130P
is no longer illuminated. If processor 30 determines push button
130P was depressed adequately, another one of the number of push
buttons 130P is illuminated.
[0102] In some embodiments, push buttons 130P are illuminated in a
specific pattern. Occupant 12 is instructed to depress push buttons
130P in that pattern. When occupant 12 completes the pattern, the
number of illuminated push buttons 130P in the pattern is increased
by one. Occupant 12 continues to perform physical therapy routine
24 by depressing push buttons 130P in an order consistent with the
pattern until occupant 12 depresses push buttons 130P in an order
inconsistent with the pattern.
[0103] FIG. 9 shows an embodiment of patient support apparatus 10
where sensing device 74 includes mat 150 including a number of push
buttons 130P and/or weight sensors 110. As an example of occupant
12 using sensor unit 16 to perform physical therapy routine 24, mat
150 is supported on deck section 46 and occupant 12 is supported on
mat 150.
[0104] Graphics 20 included in mat 150 illuminate to inform
occupant 12 to touch mat 150 with limbs 22 where graphics 20 are
illuminated. Push buttons 130P and/or weight sensors 110 detect
limbs 22 touching mat 150. Occupant 12 moves limb 22 and touches
mat 150 where graphics 20 are illuminated until graphics 20 are no
longer illuminated. If processor 30 determines that the limbs 22 of
occupant 12 were touching mat 150 adequately to satisfy the
physical therapy routine 24 position, another graphic on mat 150 is
illuminated. In some embodiments, another graphical display 18 is
coupled to footboard 44 and displays a graphic of mat 150. The
graphic 20 of mat 150 indicates the illuminated graphics 20 on
actual mat 150 to assist occupant 12 performing physical therapy
routine 24.
[0105] Although certain illustrative embodiments have been
described in detail above, variations and modifications exist
within the scope and spirit of this disclosure as described and as
defined in the following claims.
* * * * *