U.S. patent application number 11/198071 was filed with the patent office on 2007-02-08 for retractable dental hygiene article with chamber.
Invention is credited to Bryan Oronsky, Neil Oronsky.
Application Number | 20070028941 11/198071 |
Document ID | / |
Family ID | 37716534 |
Filed Date | 2007-02-08 |
United States Patent
Application |
20070028941 |
Kind Code |
A1 |
Oronsky; Bryan ; et
al. |
February 8, 2007 |
Retractable dental hygiene article with chamber
Abstract
The invention features a dental hygiene article that includes a
retractable portion and a chamber portion for use in conjunction
with the same, as well as methods of use to promote good oral
hygiene practices. In general, the invention is directed to a
dental hygiene article, such as a toothbrush, wherein the device
includes a retractable proximal portion that contains one or both
of a head assembly and a stem portion, a chamber portion that is
configured for receiving the retractable proximal portion, and a
handle portion, which may be detachable. Accordingly, when the
retractable portion is in a retracted configuration the head
assembly is encased within the chamber, which may then be filled
with an additive, such as a fluid medicament, disinfectant,
cleaning solution, or the like, so as to treat the head assembly
prior to use.
Inventors: |
Oronsky; Bryan; (Los Altos,
CA) ; Oronsky; Neil; (Los Altos, CA) |
Correspondence
Address: |
BOZICEVIC, FIELD & FRANCIS LLP
1900 UNIVERSITY AVENUE
SUITE 200
EAST PALO ALTO
CA
94303
US
|
Family ID: |
37716534 |
Appl. No.: |
11/198071 |
Filed: |
August 4, 2005 |
Current U.S.
Class: |
132/311 ; 15/184;
15/185 |
Current CPC
Class: |
A46B 2200/1066 20130101;
A46B 15/0071 20130101; A46B 17/06 20130101; A46B 5/0041 20130101;
A46B 11/0062 20130101; A46B 5/0045 20130101; A46B 5/005 20130101;
A46B 11/0006 20130101 |
Class at
Publication: |
132/311 ;
015/184; 015/185 |
International
Class: |
A46B 11/00 20060101
A46B011/00; A46B 7/02 20060101 A46B007/02 |
Claims
1. A dental hygiene article, comprising: a retractable proximal
portion comprising a head assembly and a stem portion; a distal
handle portion; and a chamber portion, connecting said proximal
portion and said distal portion, and configured for receiving said
proximal portion.
2. The dental hygiene article according to claim 1, wherein said
stem portion is capable of retracting through said chamber and into
a lumen of the distal portion.
3. The dental hygiene article according to claim 1, wherein said
stem portion comprises a plurality of segments, configured for
sequentially retracting one within the other.
4. The dental hygiene article according to claim 3, wherein said
chamber portion is configured for receiving said proximal portion
when the segments of said stem portion are in a retracted
configuration.
5. The dental hygiene article according to claim 4, wherein said
chamber is configured to completely contain said head assembly and
said stem portion after the segments of the stem portion are
completely retracted.
6. The dental hygiene article according to claim 4, wherein said
head assembly is pivotably connected to said stem portion and
configured to collapse into and be completely contained within said
chamber after collapsing.
7. The dental hygiene article according to claim 6, wherein said
stem portion further comprises one or more notches for facilitating
said collapse of the toothbrush head assembly into the chamber.
8. The dental hygiene article according to claim 6, wherein said
chamber comprises a divider that defines a stem portion receiving
sub-chamber and a head assembly receiving sub-chamber.
9. The dental hygiene article according to claim 8, wherein said
head assembly receiving sub-chamber is further configured for
receiving an additive from an external source.
10. The dental hygiene article according to claim 9, wherein said
additive is prevented from entering said stem portion receiving
sub-chamber by said divider.
11. The dental hygiene article according to claim 8, wherein said
external source comprises a fill port attached to said chamber
portion.
12. The dental hygiene article according to claim 1, wherein said
chamber further comprises a fill port adapted for receiving an
additive.
13. The dental hygiene article according to claim 12, wherein a
lumen of said fill port is separated from a lumen of the chamber by
a removable separator.
14. The dental hygiene article according to claim 13, wherein said
additive is prevented from entering said chamber by said
separator.
15. The dental hygiene article according to claim 12, wherein said
chamber further comprises a second fill port adapted for receiving
an additive.
16. The dental hygiene article according to claim 15, wherein said
first and second fill ports comprise a first and second lumen that
are both separated from a lumen of the chamber by a first and
second removable divider.
17. The dental hygiene article according to claim 11, wherein said
additive comprises a member selected from the group comprising: an
antibacterial medicament, an antimicrobial medicament, an
antibiotic medicament, a procoagulant, an analgesic, an
anti-inflammatory agent, an antiseptic, a whitener, an
immunoglobulin, an antibody, a monoclonal antibody specific for S.
epidermidis, monoclonal antibody specific for P. aeruginosa,
monoclonal antibody specific for S. aureus, monoclonal antibody
specific for S. sanguis, monoclonal antibody specific for S.
mutans, monoclonal antibody specific for Bacteroides gingivalis,
monoclonal antibody specific for Streptococci, monoclonal antibody
specific for Enterococci, lidocaine, amylase inhibitors, hibiscus,
hibiscus-acid, roselle tea or extracts thereof, tannin, starch
blockers, glucosidase-inhibitors, fluoride, chlorhexidine, green
tea or extracts, anise, tea tree oil and extracts, epinephrine, oil
of cloves, a non-steroidal anti-inflammatory agents, aspirin,
diflunisal, fenoprofen calcium, naproxen, acetaminophen, ibuprofen,
ketoprofen, tolmetin sodium, indomethacin, an anti-tussive, a
benzonatate, a caramiphen edisylate, a menthol, a dextromethorphan
hydrobromide, a chlophedianol hydrochloride, a narcotic analgesics,
morphine, heroin, hydromorphone, metopon, oxymorphone, levorphanol,
codeine, hydrocodone, xycodone, nalorphine, naloxone, naltrexone, a
stimulant, caffeine, nicotine, an analgesic antipyretic, a
salycilate, phenylbutazone, indomethacin, phenacetin, iron salt,
ferric sulfate, vitamin C (ascorbic acid), hydrogen peroxide,
tetracycline, sodium bicarbonate, and lysozyme.
18. The dental hygiene article according to claim 1, wherein said
head assembly comprises a toothbrush head assembly.
19. The dental hygiene article according to claim 18, wherein said
tooth brush head assembly comprises bristles extended there
from.
20. The dental hygiene article according to claim 1, wherein said
head assembly is detachable from said stem portion.
21. The dental hygiene article according to claim 1, wherein said
proximal portion is adapted for removal from said chamber
portion.
22. The dental hygiene article according to claim 1, wherein said
distal portion is adapted for removal from said chamber
portion.
23. The dental hygiene article according to claim 3, wherein said
stem portion further comprises a biased spring to facilitate
retraction of said stem portion.
24. The dental hygiene article according to claim 23, wherein said
distal portion further comprises an actuator to effect retraction
of said stem portion.
25. The dental hygiene article according to claim 3, wherein said
stem portion further comprises a biased spring to facilitate
extension of said stem portion.
26. The dental hygiene article according to claim 25, wherein said
distal portion further comprises an actuator to facilitate
extension of said stem portion.
27. The dental hygiene article according to claim 1, wherein said
distal portion comprises a removable floss dispenser and outlet
port.
28. The dental hygiene article according to claim 1, wherein said
head assembly further comprises a loop configured for use in
removing head assembly from said chamber.
29. A dental hygiene article according to claim 1, wherein said
head assembly is pivotably attached to said stem portion and said
stem portion is pivotably attached to said chamber portion.
Description
FIELD OF THE INVENTION
[0001] This invention is related to the field of dental hygiene.
Specifically, a dental hygiene article is provided, for instance, a
retractable toothbrush, that includes a head assembly and a
retractable portion that retracts into a chamber, which may be
filled with an additive (e.g., a fluid) so as to treat the head
assembly prior to use.
BACKGROUND OF THE INVENTION
[0002] Thousands of harmful bacteria live in the mouth, which if
not adequately protected against may produce a damaging acid that
over time will break down the enamel of the teeth and thereby cause
tooth decay. The most common way of disrupting and minimizing the
number of bacteria in the mouth is to develop good oral hygiene
habits that include both brushing and flossing the teeth regularly.
Proper brushing removes harmful bacteria, including sticky film
plaques, from the teeth, strengthens the gums, and coats the enamel
with a protective layer of fluoride that acts as a barrier to
bacterial acidification. However, an often overlooked aspect of
good oral hygiene is the maintenance of a clean toothbrush
head.
[0003] Toothbrush heads are typically made up of cylindrical
bristles that if not properly maintained may become colonized with
the very bacteria sought to be removed. In these instances, use of
the toothbrush may actually become deleterious as microorganisms,
germs, bacteria, and the like build up on the bristles of the
toothbrush, which instead of cleaning the teeth actually spreads
the germs and bacteria from one area to another. Because of the
danger this poses for tooth decay, and other maladies such as
gingivitis, periodontal disease, and chronic halitosis, it is
important to take proper care of the toothbrush while not in
use.
[0004] Conventional methods for caring for the toothbrush while not
in use include various stand alone antiseptic containers that are
big, bulky, do not lend themselves to convenient travel, and can be
relatively open to the environment while the tooth brush is stored
therein. Although these devices maybe useful for sanitizing a
toothbrush head they are inconvenient, hard to clean, and do not
provide an inexpensive mechanism for the agitation required for
effective sterilization.
[0005] There is, therefore, a need for a dental hygiene article
that is convenient, is more effective in both removing bacteria
from the toothbrush bristles and sanitizing the toothbrush head.
Accordingly, an apparatus and method consistent with the present
invention and described herein below meets those needs.
SUMMARY OF THE INVENTION
[0006] The invention features a dental hygiene article that
includes a retractable portion and a chamber portion for use in
conjunction with the same, as well as methods of use to promote
good oral hygiene practices. In general, the invention is directed
to a dental hygiene article such as a toothbrush, wherein the
device includes a retractable proximal portion that contains one or
both of a head assembly and a stem portion, a chamber portion that
is configured for receiving the retractable proximal portion, and a
handle portion, which may be detachable. Accordingly, when the
retractable portion is in a retracted configuration the head
assembly is encased within the chamber, which may then be filled
with an additive, such as a fluid medicament, disinfectant,
cleaning solution, or the like, so as to treat the head assembly
prior to use.
[0007] Accordingly, in one aspect the invention is directed to a
dental hygiene article having a retractable proximal portion that
includes a head assembly and a stem portion, a distal handle
portion, and a chamber portion, connecting the proximal portion and
the distal portion, wherein the chamber is configured for receiving
the proximal portion. In one embodiment, the proximal portion is
capable of retracting through the chamber and into a lumen of the
distal portion. In another embodiment, the proximal portion
comprises a plurality of segments, configured for sequentially
retracting one within the other.
[0008] In another aspect, the invention is directed to a dental
hygiene article having a chamber portion that is configured for
receiving the proximal portion when the segments of the stem
portion are in a retracted configuration. In one embodiment, the
chamber is configured to completely contain the head assembly and
the stem portion after the segments of the stem portion are
completely retracted. In another embodiment, the chamber includes a
divider that defines a proximal portion receiving sub-chamber and a
head assembly receiving sub-chamber. Additionally, the head
assembly receiving sub-chamber may be configured for receiving an
additive from an external source, such as an antechamber. In one
embodiment, the additive is prevented from entering said proximal
portion receiving sub-chamber by the divider. In another
embodiment, the external source is one or more fill ports (e.g.,
antechambers) that are attached to the chamber portion and adapted
for receiving an additive. One or more removable separators may be
included so as to separate the lumen(s) of the antechamber(s) from
the lumen of the chamber and thereby prevents the additive from
entering said chamber by said separator.
[0009] In a further aspect the invention is directed to a dental
hygiene article having a the head assembly, such as a toothbrush
head assembly containing bristles, that is pivotably connected to
the stem portion and configured to collapse into and be completely
contained within the chamber after collapsing. In one embodiment,
the head assembly is detachable from the proximal portion and in
another embodiment the head assembly includes a loop that is
configured for use in removing the head assembly from the
chamber.
[0010] In one aspect the invention is directed to a dental hygiene
article having a stem portion that includes one or more retractable
segments that are configured for retracting, or "telescoping," one
within another. Additionally, the one or more retractable segments
may further include one or more notches for facilitating the
collapse of the toothbrush head assembly into the chamber, when the
retractable stem portion is in a retracted configuration. In one
embodiment, the stem (and/or proximal portion) is adapted for
removal from the chamber portion. In one embodiment, the stem
portion further comprises a biased spring to facilitate retraction
or extension of the stem portion.
[0011] In one aspect the invention is directed to a dental hygiene
article having a distal or handle portion that includes an actuator
to effect retraction and/or extension of the stem portion, and may
include a removable floss dispenser and outlet port.
[0012] In one aspect the invention is directed to a dental hygiene
article having a head assembly (e.g., proximal portion) that is
pivotably attached to said stem portion and said stem portion is
pivotably attached to said chamber portion.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013] FIG. 1A is a perspective view of a dental hygiene article
with a non-collapsible head assembly, according to an illustrative
but non-limiting embodiment of the present invention.
[0014] FIGS. 1B and 1C are front and back views, and 1D and 1E are
side views of a dental hygiene article according to an illustrative
but non-limiting embodiment of the present invention.
[0015] FIG. 1F is a top view of a dental hygiene article according
to an illustrative but non-limiting embodiment of the present
invention.
[0016] FIG. 1G is a bottom view of a dental hygiene article
according to an illustrative but non-limiting embodiment of the
present invention.
[0017] FIG. 2A is a perspective view of a dental hygiene article
without a loop on the head assembly according to an illustrative
but non-limiting embodiment of the present invention.
[0018] FIGS. 2B and 2C are front and back views, and 2D and 2E are
side views of a dental hygiene article according to an illustrative
but non-limiting embodiment of the present invention.
[0019] FIG. 2F is a top view of a dental hygiene article in a
retracted configuration, according to an illustrative but
non-limiting embodiment of the present invention.
[0020] FIG. 2G is a bottom view of a dental hygiene article
according to an illustrative but non-limiting embodiment of the
present invention.
[0021] FIG. 3A is a perspective view of a dental hygiene article
with two antechambers according to an illustrative but non-limiting
embodiment of the present invention.
[0022] FIGS. 3B, 3C, 3D and 3E are front, back and side views of a
dual antechamber dental hygiene article according to an
illustrative but non-limiting embodiment of the present
invention.
[0023] FIG. 4 is a side view of a dental hygiene article showing
the direction of retraction, according to an illustrative but
non-limiting embodiment of the present invention.
[0024] FIG. 5A is a perspective view of a dental hygiene article
with a collapsible head assembly, according to an illustrative but
non-limiting embodiment of the present invention.
[0025] FIGS. 5B, 5C, 5D and 5E are front, back, and side views of a
dental hygiene article according to an illustrative but
non-limiting embodiment of the present invention.
[0026] FIG. 5F is a top view of a dental hygiene article in a
retracted and collapsed configuration according to an illustrative
but non-limiting embodiment of the present invention.
[0027] FIG. 5G is a bottom view of a dental hygiene article
according to an illustrative but non-limiting embodiment of the
present invention.
[0028] FIG. 6A is a perspective view of a dental hygiene article
without a loop on the head assembly according to an illustrative
but non-limiting embodiment of the present invention.
[0029] FIGS. 6B, 6C, 6D and 6E are front, back, and side views of a
dental hygiene article according to an illustrative but
non-limiting embodiment of the present invention.
[0030] FIG. 6F is a top view of a dental hygiene article in a
retracted configuration according to an illustrative but
non-limiting embodiment of the present invention.
[0031] FIG. 6G is a bottom view of a dental hygiene article
according to an illustrative but non-limiting embodiment of the
present invention.
[0032] FIG. 7A is a perspective view of a dental hygiene article
with dual antechambers, according to an illustrative but
non-limiting embodiment of the present invention.
[0033] FIGS. 7B, 7C, 7D and 7E are front, back, and side views of a
dental hygiene article according to an illustrative but
non-limiting embodiment of the present invention.
[0034] FIG. 8 is a side view of a dental hygiene article according
to an illustrative but non-limiting embodiment of the present
invention.
[0035] FIG. 9A is a perspective view of a dental hygiene article
with a detachable handle portion, according to an illustrative but
non-limiting embodiment of the present invention.
[0036] FIG. 10 is a view of a handle portion of a dental hygiene
article according to an illustrative but non-limiting embodiment of
the present invention.
[0037] FIG. 11 is a view of a dental hygiene article and an
additive dispenser according to an illustrative but non-limiting
embodiment of the present invention.
[0038] FIG. 12A is a view of a chamber of a dental hygiene article
with a retracted head assembly and stem portion therein, according
to an illustrative but non-limiting embodiment of the present
invention.
[0039] FIG. 12B is a view of a chamber of a dental hygiene article
with a collapsed head assembly and retracted stem portion therein,
according to an illustrative but non-limiting embodiment of the
present invention.
[0040] FIG. 12C is a view of a divided chamber of dental hygiene
article with a retracted stem portion in one portion of the chamber
and a collapsed head assembly in another portion of the chamber,
according to an illustrative but non-limiting embodiment of the
present invention.
[0041] FIG. 12D is a view of a detachable chamber portion, a
retracted stem portion, and a collapsed head assembly of a dental
hygiene article, wherein the chamber portion is detached from the
stem and the distal portion, according to an illustrative but
non-limiting embodiment of the present invention.
[0042] FIG. 12E is a view of a detachable chamber portion,
retracted stem portion, and a collapsed head assembly of a dental
hygiene article, wherein the chamber portion is attached to the
distal portion, according to an illustrative but non-limiting
embodiment of the present invention.
[0043] FIGS. 13A and 13 B are front and back views of a collapsible
dental hygiene article according to an illustrative but
non-limiting embodiment of the present invention.
[0044] FIG. 13C is a side view of a collapsible dental hygiene
article according to an illustrative but non-limiting embodiment of
the present invention.
[0045] FIG. 13D is a side view of a collapsible dental hygiene
article in a semi-collapsed configuration according to an
illustrative but non-limiting embodiment of the present
invention.
[0046] FIG. 13E is a side view of a collapsible dental hygiene
article in a fully collapsed configuration according to an
illustrative but non-limiting embodiment of the present
invention.
DETAILED DESCRIPTION OF THE INVENTION
[0047] In general, the invention provides a dental hygiene article
that includes a retractable portion and a chamber for use in
conjunction with the same, as well as methods of use to promote
good oral hygiene practices. Generally, the invention is directed
to a dental hygiene article such as a toothbrush, wherein the
toothbrush includes a head assembly, a retractable-portion, and a
chamber portion that is configured for receiving the head assembly
and retractable portion. Accordingly, when the retractable portion
is in a retracted configuration the head assembly will be entirely
encased within the chamber, which may then be filled with an
additive, such as a fluid medicament, disinfectant, cleaning
solution, or the like, so as to treat the head assembly prior to
use.
Dental Hygiene Articles of the Invention
[0048] The invention provides for a dental hygiene article, such as
a toothbrush, that includes a retractable proximal portion that
contains one or both of a head assembly and a stem portion, a
chamber portion, and a handle portion, which may be detachable.
Because of the unique configuration of the individual components,
the dental hygiene article can be broken down and/or collapsed into
its individual units, making it easy and convenient for
transportation, while at the same time ensuring that the head
assembly is protected and kept in a sanitary environment. This both
promotes better hygiene habits and adds another barrier in the
fight against tooth decay. Additionally, the toothbrush handle may
be equipped with a floss dispenser for increased convenience and
ease of use.
[0049] The dental hygiene article may have any form so long as it
includes a head assembly that is capable of being encased within a
chamber, such as a fluid storage chamber. For simplicity and
clarification of description, and not in anyway to be limited
thereto, the dental hygiene article will be referred to as a
toothbrush, but may as well be any form of dental hygiene article
that has a head assembly that engages the teeth or other portion of
the mouth or tongue for the purpose of cleaning, such as a dental
pick, probe, scaler, tongue scraper, or the like. "Head assembly"
generally refers to dental hygiene articles as discussed herein
which are adapted for use with the retractable portion and for
storage within a chamber as described below in more detail.
[0050] Additionally, a dental hygiene article of the subject
invention may be fabricated from any suitable material well known,
usually those used in the dental industry for the manufacture of
dental hygiene articles or instruments. This includes dental grade
plastics, metals, composites, and/or alloys. However, in a
representative embodiment of the invention, and not limited hereby,
the dental hygiene article components are fabricated from a
thermoplastic material, such as celluloid, acrylics,
fluoroplastics, polycarbonates, polyethylenes, polypropylenes,
polyurethanes, polyvinyl chloride, or the like, that is constructed
either by injecting the heated plastic into a shape-forming mold
and/or vacuum forming the plastic and then cooling the plastic into
the desired shapes, as appropriate. Various other materials that
may be used and methods for molding them into desired
configurations are set forth in the Modern Plastics Encyclopedia
1995 and Plastics Engineering Handbook of the Society of the
Plastics Industry, Inc., edited by Michael L. Berins, 1991, the
disclosures of which are hereby incorporated herein their entirety
by reference.
[0051] As summarized above the subject invention is directed, in
representative embodiments, to a dental hygiene article, such as a
toothbrush, that includes a proximal portion that contains both a
head assembly and a retractable stem portion, a chamber portion,
and a distal portion that may be a detachable handle. In a
representative embodiment of the dental hygiene article of the
subject invention, the head assembly is attached by an attachment
element to the proximal end of the stem portion. The stem portion
is retractably attached to the chamber portion, to which is also
attached (e.g., detachably attached) the proximal end of the distal
portion. These various components will now be described below with
particular regard given to the function they perform and how they
interconnect with the various other components of the
toothbrush.
[0052] One component of the subject invention is a head assembly.
The head assembly may include one or both of a tooth engaging
element and an attachment element. Typically, the tooth engaging
element is a toothbrush which comprises a plurality of bristles
disposed on a first surface, for instance nylon fiber filaments or
the like. However, in other embodiments the tooth engaging element
can be a rubber, metal, or plastic assembly, for instance, in the
shape of a scraper, pick, or hook, etc. Additionally, the head
assembly may include an attachment element for operatively
connecting the head assembly to a proximal end of the stem portion
of the device. The attachment element may be a pivot element, hinge
element, a ratcheting element, a ball and swivel element, a
rotatable element, a detachment element, or the like.
[0053] The attachment element joins the head assembly to the
retractable stem portion. In one representative embodiment, the
attachment element is a pivot element that allows the head assembly
to collapse into a chamber element, when the retractable proximal
portion is in a retracted configuration. In this embodiment, or any
other embodiment wherein the head assembly is capable of moving in
relation to the stem portion, the attachment element may also
include a locking mechanism to prevent the head assembly from
collapsing or folding when the retractable proximal portion is in
an extended configuration and/or the device is in use.
[0054] For instance, in one embodiment, the attachment element
comprises a ratcheting element that allows the angle of the head
assembly to change in relation to the stem portion. In this
embodiment, the angle of the head assembly may be varied from an
angle of about 180.degree. relative to the stem portion in an
extended formation to an angle of about 90.degree. relative to the
stem portion in a collapsed formation. The ratcheting element, or
any other attachment element, may further comprise a locking
mechanism, such as a locking pin or the like, so as to lock the
head assembly into a desired angle and preventing it from further
collapsing. Such angled formations may be useful in accessing
certain areas of the mouth, such as the molars.
[0055] In another embodiment, the head assembly is formed in
conjunction with, and as part of a retractable stem portion of the
device, where in this configuration the head assembly does not
include a separate attachment element, but instead the head
assembly is coextensive with, and forms part of the stem portion.
The head assembly may also include a loop that is configured for
aiding in the extending and retracting of the proximal portion of
the device. In an additional embodiment, the head assembly is
removable from the rest of the device and/or replaceable. In this
embodiment the head assembly can be, for example, adapted to snap
or screw into the stem portion, so that the head assembly is stably
secured during use as well as during extension and retraction of
the stem portion.
[0056] As noted above, the head assembly may be attached to a stem
portion. A feature of the stem portion is that it is retractable,
for instance, sequentially retractable, much like a telescope, or
retractable in that it can fold one or more times, to allow the
head assembly to be encased within the chamber portion.
Accordingly, in one embodiment, the retractable stem portion is a
single segment that is capable of retracting entirely into the
distal portion of the device. In another embodiment, the stem
portion is a plurality of segments, wherein each segment of the
stem portion is configured for retracting one within another (i.e.,
telescoping), such that in a retracted configuration the
retractable stem portion is completely retracted inside itself, and
may further be retracted inside the chamber portion and/or the
distal portion of the device, so as to be completely contained
within the chamber and/or distal portions after retracting.
Additionally, as is described in more detail below, one or more
segments of the retractable stem portion may comprise a notch,
which is configured for aiding the folding or collapse of the
toothbrush head assembly into the chamber portion when the stem
portion is in a retracted configuration. See FIG. 5A for greater
detail of exemplary embodiments.
[0057] In another embodiment, the proximal portion comprises a head
assembly and a stem portion, wherein the stem portion is a planar
segment to which is attached a plurality of attachment elements,
for instance, folding or pivoting attachment elements that allow
the proximal portion (or at least portion of the proximal portion,
e.g., the head assembly) to retract. A first attachment element
connects the stem portion with the chamber portion and is
configured for allowing the proximal portion to pivot and fold at
an angle of about 90.degree. with respect to the chamber. A second
attachment element connects the stem portion with the head
assembly, and is configured for allowing the head assembly to fold
at an angle of about 90.degree. with respect to the stem portion,
thereby allowing the head assembly to retract within the chamber
portion of the device. See for instance, FIGS. 13A-13E. In another
embodiment, the entire proximal portion is detachably attached to
the chamber portion
[0058] As described in greater detail below, once the retractable
stem portion is retracted, the head assembly may either be directly
and entirely encased in a lumen of the chamber portion or the head
assembly may be folded away from the plane of the stem portion and
collapsed to be entirely encased in the lumen of the chamber (e.g.,
where a moveable attachment element is provided). In either case,
the end result is the retraction of the proximal portion into the
chamber portion.
[0059] The retractable stem portion may also comprise a spring
element, biased in the extended configuration, and an actuator
(located on the distal portion) capable of locking the spring into
a compressed configuration. In this embodiment, the retractable
stem portion is naturally in an extended formation and is
compressed by the application of a force toward the chamber portion
such that when the retractable stem portion is retracted and locked
into place by the actuator, the spring element is in a compressed
formation, thereby storing kinetic energy that may be released upon
depressing the locking actuator. Once the locking actuator
mechanism is depressed (actuated), the kinetic energy is released
thereby returning the retractable stem portion to an extended
configuration.
[0060] Of course, where a biased spring is used, the spring may
alternatively be biased in the compressed formation. In this
embodiment, the retractable stem portion is naturally in a
retracted configuration and must be extended by the application of
a force away from the chamber portion and locked by a locking
actuator before use. Thus, when the stem portion is extended and
locked into place kinetic energy is thereby stored which may be
released upon depressing the actuator, releasing the spring, and
thereby returning the stem portion to a contracted configuration.
It is to be understood, that a biased spring need not be used, in
which case the retractable proximal portion may be retracted and
expanded by manually applying the relevant forces thereto.
[0061] As set forth above, a further component of the subject
invention is a chamber portion, at least a portion of which is
adapted for receiving an additive which can be a fluid, powder,
pill, suspension, or the like, but is usually a fluid. For
instance, in one embodiment, the additive is a pill, tablet, or
powder that is added to an antechamber that is in communication
with the chamber. The pill, tablet, or powder may then be dissolved
or reconstituted upon addition of a fluid, such as water. However,
in general, the additive comprises one or more active ingredients,
which can aid in maintenance of a clean head assembly, delivery of
an agent to the mouth, or both, and the chamber can be fillable or
prefilled. In one embodiment, the additive comprises one or more
antiseptic agents. Such antiseptic agents include, but are not
limited to lidocaine, amylase inhibitors (e.g., hibiscus,
hibiscus-acid, roselle tea or extracts thereof, tannin, starch
blockers and the like), glucosidase-inhibitors, fluoride,
chlorhexidine, green tea or extracts, anise, tea tree oil and
extracts, oil of cloves, hydrogen peroxide, tetracycline, sodium
bicarbonate, lysozyme, or any other agents beneficial to oral
health and/or that promote good oral hygiene (e.g., through
reduction of bleeding, inflammation, pain, and the like while
brushing) may also be included.
[0062] In another embodiment, the additive comprises a medicament
suitable for use in conjunction with the subject invention.
Exemplary medicaments include antibacterial, antimicrobial,
antibiotic medicament, or the like. Other exemplary therapeutic
agents that may be added to the chamber include, but are not
necessarily limited to procoagulants, analgesics, anti-inflammatory
agents, such as non-steroidal anti-inflammatory agents (e.g.,
aspirin, diflunisal, fenoprofen calcium, naproxen, acetaminophen,
ibuprofen, ketoprofen, tolmetin sodium, indomethacin, and the
like), and the like. Other active agents may include
immunoglobulins, such as antibodies (e.g. polycloneal or monoclonal
antibodies) specific for S. epidermidis, P. aeruginosa, S. aureus,
S. sanguis, S. mutans, Bacteroides gingivalis, Streptococci and
Enterococci. Other agents include anti-tussives (e.g., benzonatate,
caramiphen edisylate, menthol, dextromethorphan hydrobromide,
chlophedianol hydrochloride, and the like), narcotic analgesics
(e.g., morphine, heroin, hydromorphone, metopon, oxymorphone,
levorphanol, codeine, hydrocodone, xycodone, nalorphine, naloxone,
naltrexone and the like), epinephrine, stimulants (caffeine,
nicotine, and the like), analgesic antipyretics (e.g., such as
salycilates, phenylbutazone, indomethacin, phenacetin and the
like), iron salts (e.g., ferric sulfate), vitamin C (ascorbic
acid), and the like.
[0063] Other agents for use as an additive may also be included,
such as whiteners, mouthwash, artificial colors, flavors, and the
like.
[0064] A feature of the chamber portion is that it may be adapted
for receiving one or both of the head assembly and the retractable
stem portion, dependent on how the chamber portion is designed. In
one embodiment, the chamber is fabricated as a single unit and is
coextensive with one or both of the proximal and distal portions.
See for instance FIG. 12A. According to this embodiment, the
chamber is adapted for receiving both the retractable stem portion
and toothbrush head assembly (i.e., the entire proximal portion),
when the retractable stem portion is retracted entirely into itself
and further received within the chamber and/or distal portion. FIG.
12A shows a representative chamber of the invention, wherein the
retractable proximal portion is entirely received into the chamber
portion and it is noted that the head assembly, which is
non-collapsible, is also entirely encased within the chamber
portion.
[0065] In another variation of this embodiment, the chamber can be
configured in such a way that the retractable stem portion is
received within the chamber and passes through the lumen of the
chamber and is received within a lumen of the distal portion (i.e.,
the handle). In this configuration the handle portion includes a
lumen within which the retractable stem portion retracts such that
the head assembly will be encased within the lumen of the chamber
and the retractable stem is largely or entirely encased in the
lumen of the distal handle portion. In either embodiment,
retraction of the stem, which optionally may require collapsing or
folding of the head assembly, provides for positioning of the head
assembly within the chamber. FIG. 12B shows a representative
embodiment of the chamber, wherein the retractable stem is entirely
retracted into the chamber portion and the head assembly is in a
collapsed configuration and entirely encased within the chamber
portion.
[0066] In one embodiment, the chamber may comprise two sub-chambers
separated by a wall, wherein one sub-chamber receives the
retractable stem portion when in its retracted formation and the
other sub-chamber receives the head assembly, when in its collapsed
formation. See FIG. 12C for an example. In this embodiment, the
wall is configured for impeding movement of the additive (e.g., a
fluid, powder, suspension, or the like) from entering the
sub-chamber that receives the retractable stem portion.
[0067] In a further representative embodiment, the chamber may be
separately fabricated and removably attached to the core elongate
member, wherein the chamber is adapted for receiving only the head
assembly after the retractable stem portion is retracted (e.g.,
within the distal portion) and when the head assembly is in a
collapsed configuration. See FIG. 12D for an exemplary embodiment.
It is to be noted that in this configuration, both the chamber and
the head assembly may be removable and used in conjunction with one
another, without regard to the other components (e.g., stem and/or
distal portions). Additionally, the chamber and/or antechamber can
be configured to be compressed. In one embodiment, the chamber and
antechamber are composed of one or more plastic segments that can
retract and/or "telescope" into one another on either side of the
stem, making them reducible much like an accordion when not in use,
so as to facilitate transport. When the device is in use, the sides
of the chamber and/or antechamber can be re-extended to their full
width.
[0068] Another feature of the chamber of the subject invention is
that it is configured for opening and closing so as to receive both
the retractable stem portion and the head assembly. Accordingly,
when in an open configuration the retractable stem portion may
retract and the head assembly may collapse within the chamber,
which can then be closed in such a way that an additive (e.g., a
fluid) may be added to the chamber and not leak or spill out of the
chamber when the chamber closure is in a closed configuration. The
chamber closure may be in any configuration, such as a slideable
door or sealable cap, so long as it is capable of sealing the
opening through which the retractable stem portion and the head
assembly pass.
[0069] Additionally, the chamber and/or antechamber may be
constructed from a transparent material and may have markers inside
indicating the amount or level of fluid that is inside the
antechamber and/or chamber and thereby indicating an appropriate
fill level. The antechamber and/or fill chamber may also be coated
with a non-stick material coating (such as Teflon) to prevent
particles, bacteria, and/the like from adhering to it.
[0070] In one representative embodiment, the chamber includes one
or more fluid fill ports, which may be configured as an
antechamber(s), capable of opening and closing, that is in
communication (e.g., fluid communication) with the lumen of the
chamber portion and is adapted for receiving and containing a
liquid, suspension, powder, or the like. Alternatively the chamber
can be pre-filled and sealed (e.g., once the additive is depleted
the device is thrown away.
[0071] In one embodiment, the fluid fill port additionally contains
a moveable divider that is capable of opening and closing, such
that in an open configuration a contained fluid or the like may be
communicated into the lumen of the chamber. The divider therefore
separates the lumen of the fill port from the lumen of the chamber.
The divider may be made of any material suitable for preventing the
communication of an element in the fill port into the lumen of the
chamber while in a closed configuration (e.g., plastic).
[0072] In one representative embodiment, the chamber comprises two
(i.e., a first and a second) antechambers, which in turn each
comprise a divider. The antechambers may be filled with the same or
different additives. In one embodiment, the antechambers are each
filled with a different additive, which are therefore separated
from one another by the antechambers and may be mixed by opening
the divider and communicating the additives into the main chamber
where they may then be mixed.
[0073] A further component of the subject invention is a distal
portion, such as a handle portion. In a representative embodiment,
the handle may be detachable from the chamber. Accordingly, the
handle can be fabricated as part of and coextensive with the
chamber of the device, or it may be made separately, and attached
to the chamber portion. In a representative embodiment, the distal
portion (e.g., the handle) includes a locking actuator that is
configured for facilitating the extension and/or retraction of the
retractable stem portion. Additionally, the distal portion may also
include a removable floss dispenser with an applicable dispensing
or outlet port. In this embodiment, the distal portion may include
a detachable (e.g., screw off) base member that allows access to
the floss dispenser so as to enable a user to replace the floss
spool once it has run out of floss.
[0074] In a further embodiment, a core elongate member may be
included and be configured to form a body portion of the device to
which one ore more of the other components (e.g., proximal,
chamber, or distal portions) are attached.
[0075] In a further object of the invention, a method of using the
subject dental hygiene article is provided, which includes using
the dental hygiene article, e.g., toothbrush, opening the chamber,
retracting the proximal portion into the chamber and/or distal
portion, collapsing the head assembly, if necessary, closing the
chamber, adding an additive into the fill port, if the chamber is
not already pre-filled, disengaging the divider, if necessary, and
shaking the chamber so as to cause the communication of the
additive into the chamber and into contact with the head assembly.
Accordingly, prior to next use the chamber may be opened and the
retractable proximal portion can be extended, dependent on how it
is configured, by depressing the actuator.
EXEMPLARY EMBODIMENTS
[0076] Various embodiments of the subject invention will now be
described with reference to the figures. For clarity and
convenience, the head assembly is exemplified in the figures and
below as a toothbrush head assembly. However, as described above,
other embodiments of head assemblies are contemplated by the
invention. FIGS. 1A-1G show perspective views of an exemplary
dental hygiene article 10 according to an illustrative, but
non-limiting embodiment of the present invention. As can be seen in
FIG. 1A the dental hygiene article (e.g., toothbrush) of the
invention 10 includes a proximal portion 11, a chamber portion 16,
and a distal portion 18. The proximal portion 11 comprises a head
assembly 12 (e.g., a toothbrush head assembly), which includes a
tooth engaging element (e.g., bristles) 8, and a retractable stem
portion 14. In the embodiment of FIG. 1A the toothbrush head
assembly forms part of the stem portion (e.g., no attachment
element is used), however, the head assembly can also be
non-collapsibly attached to the retractable stem portion, for
instance, by non-collapsible attachment element 6 of FIG. 1B.
Accordingly, in either of these two configurations the toothbrush
head assembly does not pivot, rotate, collapse, or detach, although
by adding the appropriate attachment element the toothbrush head
assembly can be configured to pivot, rotate, and/or detach in
relation to the retractable stem portion, but should not be made
capable of collapsing. Additionally, as shown in FIG. 1A the
toothbrush head assembly may optionally comprise a loop 28 that is
configured for aiding in extending and/or retracting of the
proximal portion 11 into the chamber portion 16, as described in
more detail below.
[0077] The stem portion 14 further includes segments 14a, 14b, 14c,
and 14d, etc. all of which are configured for retracting one within
the other, like a telescope. It is to be understood that although
only four stem portion segments (14a, 14b, 14c, and 14d) are shown,
this is for illustrative purposes only, as the number of said
segments can be greater or fewer dependent upon how the toothbrush
is configured and may include any number of segments, so long as
they are capable of both retracting one within another and entirely
retracting within the chamber portion 16 and/or distal portion 18
of the toothbrush, as will be described in more detail below, so as
to be completely contained within the chamber and/or distal
portions (16 and 18, respectively).
[0078] The chamber portion 16 separates the proximal portion 11
from the distal portion 18 and in one representative embodiment is
configured for receiving the proximal portion 11, when it is in a
retracted configuration. For example, see FIG. 1F, wherein is shown
the retractable proximal portion 11 in a completely retracted
configuration. As can be seen, the proximal portion 11 is in a
completely retracted configuration that is entirely contained
within the chamber portion 16 and the toothbrush head assembly 12
is encased within the lumen of the chamber portion 16, such that
when the chamber 16 is filled with a fluid, suspension, powder, or
the like the toothbrush head assembly 12 will be in direct
communication therewith. In another representative embodiment, the
distal portion 18 can be configured to include a lumen (not shown)
into which the retractable stem portion 14 in a retracted
configuration retracts into. In this configuration, the retractable
stem portion 14 will retract and pass through the lumen of the
chamber portion 16 before further retracting into the lumen of the
distal portion 18. However, the toothbrush head assembly 12, will
remain in the lumen of the chamber 16.
[0079] The chamber portion 16, further includes a closure 20 that
is capable of opening and closing, for instance, a cap that is
configured to close the opening in the chamber portion 16 through
which the proximal portion 11 retracts, so that an additive (e.g.,
a fluid) may be added to the chamber and not leak or spill out of
the chamber when the closure 20 is in a closed configuration. The
cap may be separate from the device, or as shown, tethered to the
device. The chamber 16 additionally includes a fill port 22 that is
in communication with the chamber portion 16. The fill port 22 is
capable of opening and closing, and is configured for receiving an
additive, such as: a fluid, powder, suspension, or the like and
communicating said additive into the chamber 16. In one
representative embodiment, the fill port 22 may be separated from
the chamber by a moveable divider (not shown) that separates the
fill port 22 from the chamber 16. The divider is capable of opening
and closing, such that in an open configuration a fluid or the like
contained with in the fill port 22 may be communicated into the
lumen of the chamber 16. The divider therefore can separate the
lumen of the fill port from the lumen of the chamber until, for
example, the head assembly and stem are retracted and the chamber
closed.
[0080] The distal portion 18 includes a handle. In one
representative embodiment, as seen in FIG. 9, the distal portion
(i.e., handle) includes a detachable connection 19 thereby making
the distal portion detachable. Additionally, the distal portion 18
may include an actuator 24, as described above, for facilitating
the extension and/or retraction of the retractable stem portion 14.
The distal portion 18 may also include a floss dispenser 32 (see
FIG. 10) with an applicable dispensing or outlet port 26. The floss
dispenser can be fixed or removable, and may optionally be
refillable.
[0081] FIGS. 1B-1E show front, side, and back views of the
toothbrush 10 of the subject invention. As can be seen, FIGS. 1B-1E
show a head assembly 12 that includes a detachable, albeit
non-collapsible, attachment element 6, that is included between
toothbrush head assembly 12 and retractable proximal portion 14,
for detaching the head assembly 12 from the retractable stem
portion 14. Additionally, a fill port 22, a retraction actuator 24,
and a dental floss outlet 26 are also shown. FIG. 1G shows a bottom
view of the toothbrush. Where the floss dispenser is refillable,
base member 100 comprises a removable cap (see FIG. 1G).
[0082] FIGS. 2A-2G show perspective front, side, and back views of
the dental hygiene article of FIG. 1, wherein a loop is not
included.
[0083] FIGS. 3A-3E show perspective views of the embodiment of the
toothbrush 10 of FIGS. 1A-1E with a modification to the chamber
portion. As can be seen in FIGS. 3A-3E the toothbrush 10 of the
invention includes a proximal portion 11 that comprises a head
assembly 12 having a tooth engaging element (e.g., bristles) 8, and
a retractable stem portion 14; a chamber portion 16; and a distal
portion 18. The chamber portion 16 of this representative
embodiment has been modified to include a plurality of fill ports
demarcated as 22a and 22b. As described above, the fill ports 22a
and 22b are configured as small antechambers that are capable of
opening and closing and are adapted for receiving and containing a
liquid, suspension, powder, or the like. Fill ports 22a and 22b are
in communication with the main chamber and may include additional
dividers (23a and 23b) that are capable of opening and closing,
such that in an open configuration a contained or added additive
(e.g., a fluid or the like) may be communicated into the lumen of
the chamber 16. The dividers 23a and 23b therefore separate the
lumen of the fill ports 22a and 22b from the lumen of the chamber
16.
[0084] FIG. 4 shows the route of retraction for the retractable
proximal portion 11 of a toothbrush 10 of the subject invention. As
described above, each segment of the retractable stem portion 14
retracts one within the other. For instance, segment 14a retracts
within segment 14b. Segment 14b, which encases segment 14a,
retracts within segment 14c. Segment 14c, which encases both
segments 14a and 14b, retracts within segment 14d. Segment 14d,
which encases all of segments 14a, 14b, and 14c, retracts entirely
within the chamber portion 16, in such a manner that both segment
14d (which encases segments 14a, 14b, and 14c) and the head
assembly 12, are completely encased within the lumen of the chamber
portion 16. Once the proximal portion 11 (i.e., the head assembly
12 and retractable stem portion 14) are entirely encased within the
chamber portion 16, the closure 20 may then be placed over the
opening through which the proximal portion 11 are retracted, so as
to completely seal the chamber portion 16. The fill port 22 may
then be filled, for instance with a fluid, that can be communicated
into the chamber 16. In this manner the tooth engagement element 8
may be stored and treated (e.g., by a medicament) within the
chamber portion 16. Also shown in FIG. 4 is an actuator 24, as
described above, for facilitating the extension and/or retraction
of the retractable proximal portion 14 into the chamber portion 16,
and a removable floss dispenser 30 with a floss dispensing outlet
port 26.
[0085] FIGS. 5A-5G show perspective views of an exemplary dental
hygiene article 110 according to an illustrative, but non-limiting
embodiment of the present invention. As can be seen in FIG. 5A the
dental hygiene article (e.g., toothbrush) of the invention 110
includes a proximal portion 111, a chamber portion 116, and a
distal portion 118. The proximal portion 111 comprises a toothbrush
head assembly 112, which includes a tooth engaging element (e.g.,
bristles) 108, and a stem portion 114. In this embodiment, the
toothbrush head assembly 112 is not formed in conjunction with the
retractable stem portion and, therefore, includes an attachment
element 113 that is configured for both operatively connecting the
toothbrush head assembly 112 to the retractable stem portion 114
and allowing the toothbrush head assembly 112 to collapse into the
chamber portion 116 when the retractable stem portion 114 is in a
retracted configuration. See, for instance, FIG. 5F, which shows
the retractable proximal portion 111, including the retractable
stem portion 114 and collapsible head assembly 112, entirely
retracted and collapsed within the chamber portion 116, as
described in more detail below. Because of the included attachment
element 113 the toothbrush head assembly 112 can be configured for
pivoting, rotating, ratcheting, collapsing, and the like, dependent
upon the nature of the attachment element used. It will be noted,
that the stem portion 114 includes a notch portion 115 which is
located at attachment element 113, and is configured for
facilitating the collapse of the toothbrush head assembly 112. A
locking element (not shown) may also be included so as to lock the
toothbrush head assembly 112 in place when the proximal portion 114
is in an extended configuration. The present invention encompasses
a multitude of various lock configurations, including pins, clamps,
spring-loaded locks, a locking mechanism which co-acts with a pair
of locking projections on the ante-chamber, splines, or keys.
[0086] Additionally, as shown in FIG. 5A the toothbrush head
assembly may optionally comprise a loop 128 that is configured for
aiding in extending or retracting the proximal portion 111 into the
chamber portion 116. Although it is not shown, the toothbrush head
assembly 112 may be configured so as to be detachable, as well as
collapsible and the like, and therefore a removable and
collapsible, etc. attachment(s) may be included between toothbrush
head assembly 112 and retractable proximal portion 114.
[0087] The stem portion 114 further includes segments 114a, 114b,
114c, and 114d, etc. all of which are configured for retracting one
within the other, like a telescope. It is to be understood that
although only four proximal portion segments (114a, 114b, 114c, and
114d) are shown, this is for illustrative purposes only as the
number of said segments can be greater or fewer dependent upon how
the toothbrush is configured and may include any number of
segments, so long as they are capable of both retracting one within
another and entirely retracting within the chamber portion 116
and/or proximal portion 118 of the toothbrush so as to be
completely contained within the chamber and/or distal portions (116
and 118, respectively). Additionally, one or more of the
retractable stem portion segments (114a, 114b, 114c, and 114d) may
contain a notch 115, which is configured to facilitate the collapse
of the toothbrush head assembly 112 into the chamber portion 116.
See for instance, notches 115a, 115b, 115c, and 115d of FIG.
5B.
[0088] The chamber portion 116 separates the proximal portion 111
from the distal portion 118, and in one representative embodiment
is configured for receiving the proximal portion 111, when in a
retracted formation, including the head assembly 112, when in a
collapsed configuration. For example, see FIG. 5F, wherein is shown
the proximal portion 111 including head assembly 112 in a
completely retracted and collapsed configuration. As can be seen,
the proximal portion 111 is in a completely retracted configuration
that is entirely contained within the chamber portion 116 and the
head assembly 112 is collapsed and entirely encased within the
lumen of the chamber portion 116, such that when the chamber 116 is
filled with an additive (for instance, a fluid, etc.) the
toothbrush head assembly 112 will be in direct communication
therewith. The chamber portion 116, further includes a closure 120
that is capable of opening and closing, for instance, a sliding
door, that is configured to close the opening in the chamber
portion 116 through which the proximal portion 111 retracts, so
that an additive may be added to the chamber and not leak or spill
out of the chamber when the closure is in a closed
configuration.
[0089] The chamber 116 may further include a separate fill port 122
that is in communication with the chamber portion 116. The fill
port 122 is a small antechamber that is capable of opening and
closing and is configured for receiving and storing an additive,
such as a fluid, powder, suspension, or the like and communicating
said additive into the chamber 116. In one representative
embodiment, the fill port further includes a separator (not shown)
that separates the fill port 122 from the chamber 116. The
separator is capable of opening and closing, such that in an open
configuration a fluid or the like contained with in the fill port
122 may be communicated into the lumen of the main chamber 116. The
separator therefore separates the lumen of the fill port from the
lumen of the chamber.
[0090] The proximal portion 118 includes a handle that includes a
retraction actuator 124 for facilitating the extension and/or
retraction of the retractable proximal portion 114, and may include
a removable floss dispenser (not shown) and a floss dispensing
outlet port (not shown). (See also FIG. 10.)
[0091] FIGS. 5B-5E show front, side, and back views of a
representative embodiment of the toothbrush 110 of the subject
invention. As can be seen, FIGS. 5B-5E show a head assembly 112
that includes a detachable attachment element 106 that is included
between toothbrush head assembly 112 and the collapsible attachment
element 113. A plurality of retractable stem portions (114a, 114b,
114c, and 114d) and notch portions (115a, 115b, 115c, and 115d),
that are configured for facilitating the collapse of the head
assembly 112 when the retractable stem portion 114 is in a
retracted configuration and encased within the chamber portion 116,
may also be seen. The number and configuration of the notches
should correspond to the number and configuration of the
retractable proximal portion segments. Not shown is a locking
mechanism (as described above) that may be included so as to
prevent the collapsible head assembly from collapsing when the
retractable proximal portion is in an extended configuration. It is
noted, however, that such a locking element is not needed, although
it may be included, as the force applied to the head element 112
while in use should be sufficient to prevent the head assembly from
collapsing. A closure 120, a fill port 122, a retraction actuator
128, and a dental floss outlet 126 are also shown.
[0092] FIG. 5G shows a bottom view of the toothbrush. Where the
floss dispenser is refillable, base member 200 comprises a
removable cap (see FIG. 5G).
[0093] FIGS. 6A-6G show perspective views of the dental hygiene
article of FIG. 5A, wherein a loop is not included.
[0094] FIGS. 7A-7G show perspective views of the embodiment of the
toothbrush 110 of FIGS. 5A-5G with a modification to the chamber
portion. As can be seen in FIGS. 7A-7E the toothbrush 110 of the
invention includes a retractable proximal portion 111, a chamber
portion 116, and a distal portion 118. The retractable proximal
portion comprises a head assembly 112, which includes a tooth
engaging element (e.g., bristles) 108, and a retractable proximal
portion 114. The chamber portion 116 of this representative
embodiment includes a plurality of fill ports demarcated as 122a
and 122b. As described above, the fill ports 122a and 122b are
configured as small antechambers that are capable of opening and
closing and are adapted for receiving and containing a liquid,
suspension, powder, or the like. Fill ports 122a and 122b are in
communication with the main chamber and may include additional
separators (123a and 123b) that are capable of opening and closing,
such that in an open configuration a contained additive (e.g., a
fluid or the like) may be communicated into the lumen of the
chamber 116. The separators 123a and 123b therefore separate the
lumen of the fill ports 122a and 122b from the lumen of the chamber
116.
[0095] FIG. 8 shows the route of retraction for the retractable
proximal portion 111 of a toothbrush 110 of the subject invention.
As described above, the head assembly 110 is configured for
collapsing as indicated and each segment of the retractable stem
portion 114 retracts one with in the other. For instance, segment
114a retracts within segment 114b. Segment 114b, which encases
segment 114a, retracts within segment 114c. Segment 114c, which
encases both segments 114a and 114b, retracts within segment 114d.
Segment 114d, which encases all of segments 114a, 114b, and 114c,
then retracts entirely within the chamber portion 116, in such a
manner that both segment 114d (which encases segments 114a, 114b,
and 114c) and the collapsed head assembly 112, are completely
encased within the lumen of the chamber portion 116. Notches 115a,
115b, 115c, and 115d, if included should therefore be lined up so
as to allow the head assembly to collapse within the chamber
portion.
[0096] Accordingly, once the proximal portion 111 is retracted
(i.e., the head assembly 112 is collapsed and the retractable
proximal portion 114 retracted), and is entirely encased within the
chamber portion 116, the closure 120 (e.g., a slideable door) may
then be slid over the opening through which the retractable
proximal portion 111 retracted, so as to completely seal the
chamber portion 116. The fill port 122 may then be filled, for
instance with a fluid, that can be communicated into the chamber
116. In this manner the tooth engagement element 108 may be stored
and treated (e.g., by a medicament) within the chamber portion 116.
Also shown in FIG. 8 is an actuator 124, as described above, for
facilitating the extension and/or retraction of the retractable
proximal portion 114 into the chamber portion 116, a removable
floss dispenser 132 with an applicable dispensing or outlet port
126, and a detachable handle element 140 that is configured for
detaching the handle portion from the chamber portion.
[0097] FIG. 9 shows a perspective view of a removable handle
portion 18 with an attachment element 19a that detachably attaches
to an attachment element 19b of the chamber portion 16. The
attachment elements 19a and 19b may be in any configuration so long
as they are capable of interlocking so as to detachably attach the
proximal portion to the chamber portion.
[0098] FIG. 10 is a perspective view of a detachable proximal
portion 118 that includes a removable floss dispenser 130 and a
removable base member 100 for accessing the removable floss
dispenser. A floss dispensing outlet port (not shown) is also
included.
[0099] FIG. 11 shows a perspective view of a representative
embodiment of a toothbrush 10 of the subject invention with an
additive (e.g., medicament) dispenser 50 for delivering an additive
into a fill port 22.
[0100] FIGS. 12A-12E show representative embodiments of different
configurations for the chamber portion of the subject
invention.
[0101] FIGS. 13A-13E shows a perspective view of representative
embodiments of a proximal portion 11, a chamber portion 16
configured for snuggly receiving a toothbrush head assembly 12, and
a distal portion 18. The proximal portion 11 comprises a head
assembly 12 and a stem portion 14. The proximal portion 11 further
comprises two attachment elements 17 and 19. In one embodiment, a
first attachment element 17 is a hinged attachment element that is
configured for allowing the proximal portion 11 to pivot in
relation to the chamber portion 16. The attachment element may be
any element that will allow the proximal portion (and consequently
the head assembly) to pivot at or about a 90.degree. angle in
relation to the chamber portion. See for instance FIG. 13 C,
wherein the proximal portion is in a folded configuration.
[0102] Additionally, the proximal portion 11 further comprises a
second attachment element 19, which may be located between the head
assembly 12 and the stem portion 14. The second attachment element
19 may be another hinged attachment element 19 that is configured
for allowing the head assembly 12 to pivot in relation to the stem
portion 14. This attachment element may be any element that will
allow the head assembly 12 to pivot at or about a 90.degree. angle
in relation to the proximal portion, so that when in a folded
configuration the head assembly can be snugly fitted within the
chamber portion. See for instance FIG. 13 D, wherein the proximal
portion 11 is in a folded configuration and the head assembly 12 is
folded and as can be seen is snugly fit into the chamber portion
16. The distal portion 18 may also include a detachable attachment
(not shown) to further make the toothbrush more compact and easier
to transport.
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