U.S. patent application number 10/614136 was filed with the patent office on 2004-01-15 for protecting medical-treatment chair with air-curtain shield.
Invention is credited to Lin, Chin-Liang, Yu, Hsiu-Chen.
Application Number | 20040007904 10/614136 |
Document ID | / |
Family ID | 28789305 |
Filed Date | 2004-01-15 |
United States Patent
Application |
20040007904 |
Kind Code |
A1 |
Lin, Chin-Liang ; et
al. |
January 15, 2004 |
Protecting medical-treatment chair with air-curtain shield
Abstract
A protecting medical-treatment chair which can generate a
protective air curtain and a negative air pressure inside the chair
by applying the suction and discharging effect generated by the
medical level air-suction and cleaning equipment to make the user
of the protecting medical-treatment chair isolated and prevent
contact between the user of the chair and the air outside the
chair; particularly, by applying the push and pull effect of the
air flow the air exhaled by the user of the chair can be sent to
the medical level air-suction and cleaning equipment for filtration
and sterilization, and than the clean air are discharged from the
air suction and cleaning equipment for recirculation and generating
the air-curtain shield by the protecting medical-treatment
chair.
Inventors: |
Lin, Chin-Liang; (Taipei,
TW) ; Yu, Hsiu-Chen; (Taipei, TW) |
Correspondence
Address: |
STEVENS, DAVIS, MILLER & MOSHER, L.L.P
Suite 850
1615 L Street, N.W.
Washington
DC
20036
US
|
Family ID: |
28789305 |
Appl. No.: |
10/614136 |
Filed: |
July 8, 2003 |
Current U.S.
Class: |
297/184.1 ;
297/184.11; 297/184.14 |
Current CPC
Class: |
A47C 7/74 20130101; A61G
15/00 20130101; A61G 13/108 20130101 |
Class at
Publication: |
297/184.1 ;
297/184.11; 297/184.14 |
International
Class: |
A47C 007/62; A47C
029/00 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 10, 2002 |
TW |
91210454 |
Claims
What is claimed is:
1. A protecting medical-treatment chair with air-curtain shield
comprising an air-curtain chair with a main-body and at least one
set of air-suction and cleaning equipment which are connected to
form an air filtration and circulation system to generate
air-curtain shield and filtrate the air making it suitable for
cyclic-use, and the said air-suction and cleaning equipment has an
air suction inlet and an air discharging outlet through which when
the air-suction and cleaning equipment is in operation, the air is
sucked into the equipment for filtration and cleaning treatment,
and then discharged from the air discharging outlet; wherein the
said main-body of the air-curtain chair comprises a seat surface, a
seat back and two hood-walls; the said seat back extends from the
bottom at the rear edge of the seat surface upwardly and then
horizontally to form a top-hood which, together with the hood-wall
positioned on both sides of the seat back, forms a bag-shaped inner
space inside the main-body of the said air-curtain chair; at the
two corners along the front edge of the seat surface are the
suction slots arranged in a manner symmetric to each other with an
air suction tube connector installed at its bottom, and the air
suction tube connector is connected to the air suction inlet of the
said air-suction and cleaning equipment by means of an air suction
tube; Inside the seat back and the top-hood is an air flow passage
extended from the bottom of the seat back to the front edge of the
top-hood with an air supply tube connector installed at the end of
the bottom portion of the seat back which is connected to the air
discharging outlet of the said air-suction and cleaning equipment
by means of an air supply tube, and, at the bottom of the top-hood
near the front edge is an air outlet which can generate an
air-curtain shaped flow stream with a range covering at least the
whole front edge of the said seat surface.
2. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 wherein an air outlet is located at the bottom
of the said top-hood at the location corresponding to the air
suction slot on the said seat surface.
3. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein along the opening of air
outlet at the bottom of the top-hood are air flow guides which can
make the air flow stream a downward lamina flow in vertical
direction.
4. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the air suction slot
positioned at the corner of the said seat surface has outer width
of slot opening greater than the inner width of the opening to form
a hood-shaped suction nozzle.
5. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the suction slots at the
corners of the said seat surface are in "L" shape.
6. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the air suction slots at the
corners of the said seat surface are in "I" shape.
7. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the air suction slots at the
comers of the said seat surface are in rectangular shape.
8. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the air suction slots at the
comers of the said seat surface are installed on the armrests of
the main-body of the said air-curtain chair, and the air suction
and flow passage is formed by the inner cavity of the armrest.
9. A protecting medical-treatment chair with air-curtain shield as
defined in claim 1 or claim 2 wherein the said air-suction and
cleaning equipment is of medical level.
Description
BACKGROUND OF THE PRESENT INVENTION
[0001] 1. Field of the Present Invention
[0002] The present invention relates to a protecting
medical-treatment chair with air curtain shield, particularly, a
protecting medical-treatment chair with air curtain shield which
can prevent the cross-infection due to air-borne germs or sputter,
and provide a clean air environment for medical treatment to the
patient suffering from pulmonary disease.
[0003] 2. Description of Prior Art
[0004] After the 911 terrorists attacks in the U.S. people of the
world gradually took the potential hazard factors caused by the
infection due to sputter and the air-borne bacteria seriously such
as germs or virus or their metabolins. However, in hospitals and
clinics, there were often the cross-infection due to sputter and
the air-borne bacteria between doctors, nursing workers and
patients caused by close contact with each other. Therefore, if a
simple protecting medical treatment chair is invented to provide a
dust-free and aseptic space enveloped by an air-hood, the
cross-infection between doctors, nursing workers and patients in
hospitals or clinics can be avoided if they sit on the chair.
[0005] On the other hand, the seriously increasing air pollution in
recent years has resulted in increasing patients suffering from
asthma or the pulmonary disease. Therefore, if a simple protecting
medical-treatment chair is invented, a clean, dust and smoke-free
air environment can be provided or maintained for giving
medical-treatment or for reducing the rate of on-set of the
patients with asthma.
SUMMARY OF THE PRESENT INVENTION
[0006] The major purpose of the invention is to provide a
protecting medical-treatment chair with air-curtain shield which
applies the medical level air-suction and cleaning equipment to
enable the functions of generating an air-curtain shield, air
filtration and recirculation, and to provide or maintain a clean
air environment without dust and smoke pollution.
[0007] The minor purpose of the invention is to provide a
protecting medical-treatment chair with air-curtain shield which
applies the medical level air-suction and cleaning equipment to
provide or maintain a clean air environment without dust and smoke
pollution for giving medical-treatment to the patients who suffer
from the pulmonary disease, and need to stay in a clean air
environment.
[0008] Another purpose of the invention is to provide a protecting
medical-treatment chair with air-curtain shield which applies the
medical level air-suction and cleaning equipment to enable the
effect of push and pull on the air-flow screen surrounding the
chair that can isolate the air or sputter exhaled by the patient
sitting on the chair, and immediately send the air or sputter
exhaled by the patient to the medical level air-suction and
cleaning equipment for filtration, sterilization and recirculation
to form the air-curtain shield with clean air so as to enable the
function of preventing the cross-infection through air-borne germs
or sputter between doctors, nursing workers and patients.
[0009] One extra purpose of the invention is to provide a specific
construction which comprises a top-hood above the seat surface, an
air suction slot formed at the corner of the seat surface. Clean
air from the medical level air-suction and cleaning equipment flow
downwardly from the front edge of the top-hood above the seat
surface to form an air-curtain shield to provide isolating function
and the down ward push effect which, together with the pull effect
exerted by the same air-suction and cleaning equipment through the
suction slot at the corner of the seat surface, produces a push and
pull effect on the air flow, meanwhile, the hazardous bacteria are
removed through the filtration effect of the medical level
air-suction and cleaning equipment. With these functions the
invention can be used for preventing cross-infection and providing
medical treatment to the patients suffering from pulmonary
disease.
BRIEF DESCRIPTION OF THE DRAWING FIGURES
[0010] FIG. 1 is the aspect drawing of the protecting
medical-treatment chair with air-curtain shield of the
invention.
[0011] FIG. 2 is the sectional view and illustration of the
protecting medical-treatment chair with air-curtain shield of the
invention in operation.
[0012] FIG. 3 is the illustration drawing of the protecting
medical-treatment chair with air-curtain shield especially used as
waiting-chair in waiting-area for medical examination.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0013] As shown in FIG. 1 and FIG. 2 are the Protecting
Medical-treatment Chair with Air-curtain Shield (10) which
comprises a main-body (20) of the chair with air-curtain shield,
one or more than one set of air-suction and cleaning equipment
(medical level)(40).
[0014] The main-body (20) of the chair with air-curtain shield
comprises a seat surface (21), a seat back (22), and the hood-wall
(30) on either side of the seat surface. The bottom portion of the
seat back (22) is connected to the rear edge of the seat surface
(21), and extends upwardly, then turns horizontally toward the
front side to form the top-hood (23) above the seat surface with
its front edge positioned beyond the horizontal position of the
front edge of seat surface (21); also the hood-wall (30) are
positioned on either side of the seat surface (21) and seat back
(23). Further, both sides of the seat surface (21) and seat back
(22) are blocked with the hood-wall to enable the main-body (20) of
the chair to form a bag-shaped inner space. When the air flow (50)
constructs a vertical air-curtain shield in vertical direction at
the front side of the seat surface (21) of the main-body (20) of
the chair the inner space of the chair is isolated from the
surrounding environment; i.e. the hood-wall (30) has no any
opening, and can completely and perfectly block both sides of the
seat surface (21) and the seat back (22) that constructs the most
preferred embodiment of the invention.
[0015] At the two corners along the front edge of the seat surface
(21) the suction slots (27) are symmetrically positioned which can
be shaped as "L" or "I" or in rectangular shape having angular
cross-section with outer width greater than the inner width. A
suction tube connector (29) is installed at the bottom side of each
suction slot (27) to form the outlet of the suction slot (27), and
is connected to the air-suction and cleaning equipment (40) through
suction tube (43) to form negative pressure inside the suction slot
(27), so that the air is sucked into the medical level air-suction
and cleaning equipment (40) through the suction effect of the
suction slot (27) for filtration and cleaning treatment before
discharged for further purpose of use.
[0016] Also, the portion from the bottom of the seat back (22) to
the front edge of the top-hood (23) is arranged to provide an inner
cavity for air flow passage (24) with an air supply tube connector
(28) installed on the end surface at the bottom of the seat back
(22) to form the air inlet of the air flow passage (24) which is
connected to the air-suction and cleaning equipment (40) through
the air supply tube (44) so that the clean air filtrated and
cleaned by the medical level air-suction and cleaning equipment can
flow into the air flow passage (24) in the seat back (22) through
the air supply tube connector (28); Moreover, at the bottom side of
the top-hood (23) of the seat back (22) near the edge of the
top-hood (23) an air outlet (25) is provided and arranged
corresponding to the two air suction slots (27) at the comer of
both sides of the seat surface (21). Since the air outlet is
arranged into the shape of "", the air stream flowing out will form
an air-curtain shield covering the edge contour of the seat surface
(21) and the suction slot (27) located at the corner on either side
of the seat surface (21). Further, along the opening of the air
outlet (25) several guide plates (26) are provided to enable a
downward lamina flow air-curtain in vertical direction (50) by the
guiding effect of the guide plates (26) when the air flow out of
the outlet (25) so that an air-curtain shield can be formed in
front of the main-body (20) of the chair for isolating the inner
side of the main-body of the chair from the outside.
[0017] The air-suction and cleaning equipment (40) in the present
invention shall be the medical level air-suction and cleaning
equipment which comprises an air suction inlet (41), an air
discharging outlet (42) and an air filtration-sterilization unit
such as filtrating screen and ultraviolet ray etc. Between the air
discharging outlet (42) and the air supply tube connector (28) on
the main-body (20) of the air-curtain chair is connecting air
supply tube (44), and between the air suction inlet (41) and the
air suction tube connector (29) on the main-body (20) of the
air-curtain chair is connecting air suction tube (43). These
construct an air filtration and circulation system of the
Protecting Medical-treatment Chair With Air-curtain Shield.
[0018] The air-suction and cleaning equipment (medical level) (40)
may be installed in the space under the seat surface (21) or other
concealed place, and may be controlled by induction type switch,
for example, the infrared-ray switch may be arranged in the place
surrounding the seat surface (21) or seat back (22) of the
main-body (20) of the air-curtain chair. Therefore, when the user
(60) sits on the main-body (20) of the air-curtain chair the
air-suction and cleaning equipment (medical level) is started
immediately, and when the user (60) leaves the main-body (20) of
the air-curtain chair the air-suction and cleaning equipment
(medical level) (40) is stopped immediately.
[0019] Now, refer to FIG. 2, when the user (60) sits on the
Protecting Medical-Treatment Chair with Air-curtain Shield (10),
the medical level air-suction and cleaning equipment (40) is
started, and the clean air treated by sterilization and filtration
unit of the medical level air-suction and cleaning equipment (40)
is discharged from the air discharging outlet (42) into the air
flow passage (24) in the main-body (20) of the chair through
air-supply tube (44) and the air supply tube connector (28), and
then the air, flowing through the air flow passage (24), flow out
from the air outlet (25) on the bottom side of the top-hood (23) of
the main-body (20) of the chair to form a downward air-curtain
shield (50) in vertical direction in the front side of the
main-body (20) of the air-curtain chair to isolate the inner space
of the main-body (20) of the chair from outer space. Therefore the
user sits inside the main-body (20) of the air-curtain chair shall
not be affected by any outer environment that can prevent the
cross-infection due to air-borne bacteria or through sputter.
Further, in addition to the perfect isolation, the air, even
sputter exhaled by the user of the chair can be rapidly removed
from the inner space of the main-body 20 by the push and pull
effect generated by the air flow stream (50) continuously flowing
down in vertical direction and the negative suction pressure
generated by the suction slot (27) on the seat surface (21), and
then the air is sent to the medical level air-suction and cleaning
equipment (40) for filtration and sterilization treatment to
eliminate the hazardous bacteria, and is reused for circulation to
form air flow stream (50). Therefore, a clean, dust and smoke free
environment can be provided in the inner space of the main-body
(20) of the chair which can be used by the patients who need to
stay in a clean air-environment for carrying out medical treatment
against the pulmonary disease.
[0020] However, the suction slot (27) for generating the negative
suction pressure can also be installed on the two armrests (31) of
the main-body (20) of the chair. The inner cavity of the armrest is
used as air flow passage which is connected to the suction inlet
(41) of the medical level air-suction and cleaning equipment (40)
by means of air suction tube (43) to construct another embodiment
of the invention.
[0021] The protecting Medical-treatment Chair With Air-curtain
Shield (10) is designed for the purpose of protection or giving
medical treatment, and is suitable for daily living environment to
be used by those who need clean air environment or those who suffer
from asthma, or can be used in hospital or clinic as
medical-treatment chair by doctor or nursing worker or the patient,
or can be used as waiting chair in waiting area for medical
examination as shown in FIG. 3, or can be used especially for
collecting the phlegm test sample from patient, or can also be used
by smokers to prevent the public being hurt by the second-hand
smoke.
* * * * *