CA2172801C - Apparatus for preventing snoring and improving breathing - Google Patents

Apparatus for preventing snoring and improving breathing Download PDF

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Publication number
CA2172801C
CA2172801C CA002172801A CA2172801A CA2172801C CA 2172801 C CA2172801 C CA 2172801C CA 002172801 A CA002172801 A CA 002172801A CA 2172801 A CA2172801 A CA 2172801A CA 2172801 C CA2172801 C CA 2172801C
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Canada
Prior art keywords
arch
post
dental device
user
lower arch
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Expired - Lifetime
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CA002172801A
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French (fr)
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CA2172801A1 (en
Inventor
W. Keith Thornton
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/56—Devices for preventing snoring
    • A61F5/566—Intra-oral devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
    • A61M16/049—Mouthpieces
    • A61M16/0493—Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S602/00—Surgery: splint, brace, or bandage
    • Y10S602/902—Antisnoring or mouth closing devices

Abstract

A dental device is provided in which an upper arch (12) and a lower arch (14) are inserted in a user s mouth. A deformable material (20) is included with upper arch (12) and lower arch (14) so as to allow a user to form his or her own teeth molding. A post (16) extends from the upper arch (12) and contacts the lower arch (14) so as to extend the user's lower jaw forward, thereby reducing snoring.

Description

WO 95/08969 217 2 ~ 01 PCT/US94/10650 APPARATUS FOR PREVENTING SNORING AND IMPROVING BREATHING
TECHNICAL FIELD OF THE INVENTION
This invention relates generally to medical devices, and more particularly to an apparatus for the prevention of snoring and improved breathing during sleep.
BACKGROUND OF THE INVENTION
Snoring is a problem that plagues millions of people. And snoring affects not only the snorer, but also those within earshot of the snorer. Consequently, many attempts have been made to solve this snoring problem.
For example, U.S. Patent No. 5,117,816 issued to Shapiro, et al., discloses an anti-snoring device that uses a single upper mouth piece with a flange extending downward to maintain the lower jaw in a forward position.
Such devices are referred to as one-piece devices. The Shapiro, et a1. patent takes advantage of the known technique of extending the lower jaw of a snorer, thereby opening the air passage and reducing or preventing snoring. Similar devices have also been disclosed in U.S. Patent No. 5,003,994 issued Cook; U.S. Patent No.
5,092,346, issued to Hayes, et al.
Because these patents disclose one piece devices, they present significant disadvantages. For example, to prevent snoring with these devices, the lower jaw must be held nearly stationary. This reduction in possible freedom of movement increases discomfort, an important consideration for any dental mouth piece.
One two-piece anti-snoring device has been -discovered that uses the technique of extending the bottom jaw forward. That device also has certain disadvantages. In particular, it requires for customization by a~dentist, thereby resulting in increased costs.
Furthermore, the mechanism by which the lower jaw is extended forward is also not adjustable by the user, thereby resulting in possible discomfort as well as lack of effectiveness.
Therefore, a need has arisen for a dental device that will reduce or eliminate snoring and improve breathing during sleep, while at the same time provide a comfortable fit for the user.
V
Furthermore, a need has arisen for an anti-snoring device that can be custom-fit by the user, so as to eliminate costs that can result in customization of a dental fitting by a dental professional.
SUMMARY OF THE INVENTION
In accordance with the teachings of the present invention, a dental device is provided which substantially eliminates or reduces disadvantages and problems associated with prior art anti-snoring devices.
In particular, a dental device is provided which includes an upper arch with a deformable material in which a mold of the user's upper teeth is formed.
Furthermore, a lower arch is included with a deformable material in which a mold of the user's lower teeth is formed. A post extends from the upper arch and contacts the lower arch so that the user's lower jaw is extended forward with respect to the user, thereby reducing snoring. In a particular embodiment, the forward location of the post, with respect to the user, is adjustable.
In another embodiment, the post is shaped to engage with the lower arch, so that the user's mouth cannot be opened more than a predetermined amount while the post is engaged. Furthermore, various embodiments can be combined, so that the forward location of the past is adjustable and the post is shaped to engage with the lower arch.
In still other embodiments of the present invention, an upper arch is provided that is fitted to the user's upper teeth. A moveable post extends from the upper arch and contacts either a lower arch or the user's teeth and gum to extend the user's lower jaw forward to reduce snoring. The moveable post is forwardly adjustable with respect to the user.
An important technical advantage of the present ' invention is the fact that a two-piece dental device is provided that is customizable. The two-piece embodiment ' provides significant comfort because of the freedom of movement it allows. Furthermore, its customizability, WO 95/08969 217 2 8 01 pCT/US94/10650 due to the deformable material used to form the teeth mold, makes the present invention inexpensive.
Another important technical advantage of the present invention is the forward adjustability in both the oneL
5 piece and two-piece embodiments. This forward adjustability allows for maximum comfort, as the forward location of the jaw can be set so as to prevent or reduce snoring, but not so far as to create discomfort.
Another important technical advantage of the present invention is the fact that the downwardly extending post may be shaped to engage with the lower arch, thereby preventing the mouth from opening while the post is engaged with the lower. arch. This advantage helps prevent opening of the mouth and consequent retraction of the lower jaw.
BRIEF DESCRIPTION OF THE DRAWINGS
For a more complete understanding of the present invention and its advantages, reference is now made to the following description taken in conjunction With the accompanying drawings in which like reference numbers indicate like features and wherein:
FIGURE 1 illustrates an isometric view of a two-piece anti-snoring device according to the teachings of the present invention;
to FIGURES 2a-2d illustrate alternative embodiments of an adjustable post constructed according to the teachings of the present invention;
FIGURES 3a-3c illustrate alternative embodiments of an engaging post according to the teachings of the present invention;
FIGURE 4 illustrates an embodiment of the of the present invention adapted for use in connection with a tube;
FIGURE 5 illustrates another embodiment of a two piece anti-snoring device constructed according to the teachings of the present invention;
FIGURE 6a and 6b illustrate embodiments of the present invention with breathing channels; and FIGURE 7 illustrates an embodiment of the present invention with securing clasps.
*rB
DETAILED DESCRIPTION OF THE INVENTION

FIGURE 1 illustrates a two-piece anti-snoring device 10 according to the teachings of the present invention.

As shown in FIGURE 1, the two-piece anti-snoring device 10 is provided with an upper arch 12 and a lower arch 14.

"Two-piece" refers to the upper and lower arches 12 and 14. The upper arch 12 is inserted in a user s mouth, with the upper arch of teeth.fitting in upper arch 12.

Likewise, lower arch 14 is inserted in the user's mouth, with the lower arch of teeth fitting in lower arch 14.

Upper arch 12 may fit over all or only some of the user's upper teeth. Likewise, lower arch 14 may fit over all or only some of the user s lower teeth.

Upper arch 12 is used in connection with downwardly extending post 16. Downwardly extending post 16 may be formed integrally with upper arch 12, or, as will be discussed below, may be an attachment to upper arch 12.

Downwardly extending post 16, when in use, makes contact with lower arch 14. This contact causes lower arch 14, and consequently a user s lower jaw, to extend slightly forward. This forward extension allows the air passage of the user to remain open, thereby preventing snoring and improving.breathing during sleep. Downwardly extending post 16 may have a wide range of shapes, including various lengths, depths, and widths, to perform this function. The term "post" is used to describe any such structure.

An important advantage of the anti-snoring device 10 is that is includes both an upper arch 12 and a lower arch 14. The use of these two arches allows for freedom of movement of the lower jaw. This movement is important because it provides comfort for the user. Prior art one piece devices do no allow for comfortable dental movement, such as side-to-side movement, since their posts engage with tissue in the user s mouth. Side-to-side movement with the present invention is provided because the downwardly extending post 16 may easily slide against lower arch 14.
In the embodiment shown in FIGURE 1, upper arch 12 includes a tray 18 filled with a deformable material 20.
Tray 18 may be made from any material suitable for dental uses, such as methylmethacrylate or a polycarbonate resin thermoplastic such as that sold under the Registered Trademark Lexan. Such materials are known to those familiar with dental mouthpieces, and other materials may be used without departing from the intended scope herein.
Deformable material 20 is bonded to tray 18 and used for custom forming of a mold of the user's teeth for proper fitting during use. By using deformable material 20, each user can customize his or her anti-snoring device without the expense associated with having a dental mold prepared by a dental professional.
A suitable material for deformable material 20 is the ethylene-vinyl acetate copolymer resin sold under the Registered Trademark Elvax. Any other suitable deformable materials may also be used. Typically, with a material such as Elvax, the material 20 is heated to a temperature of about 150° Fahrenheit, through a microwave oven or by heating in hot water, for example, so as to place the material 20 in its deformable state. A user then inserts the arch 12 and bites down, thereby deforming the material 20 into the shape of the user's upper arch of teeth. The upper arch 12 is then removed and allowed to cool, thereby setting the material 20 into a mold of the user's upper arch.
Likewise, lower arch 14 includes a tray 22 filled with a deformable material 20. A mold of the lower arch of teeth is formed as described above in connection with upper arch 12.
9 pCT/US94/10650 FIGURES 2a-2c illustrate bottom views of various embodiments of upper arch 12 and downwardly extending post 16. These embodiments may be used with or without lower arch 14, and thus present both Qne-piece and two-piece embodiments, although only upper arch 12 is shown.
As shown in FIGURE 2a, the location of downwardly extending post 16 can be adjusted so as to adjust the distance that the lower jaw of a user extends forward.
"Forward extension" refers to extension, with respect to a user, substantially from the user's back to front.
As shown in FIGURE 2a, a particular embodiment for adjusting post 16 is to provide a plurality of posts, each with different post positions. Three such downwardly extending posts, 16a, 16b, and 16c, are shown.
Downwardly extending post 16a will result in the lower jaw extending farther forward than that caused by downwardly extending post 16b. Similarly, downwardly extending post 16c will result in the lower jaw extending a shorter distance forward than that caused by either posts 16a or 16b. Posts 16a, 16b, and 16c are shown for purposes of example only, it being understood that posts causing less or more forward extension of the lower jaw may be used without departing from the intended scope of the present invention.
Downwardly extending posts 16a, 16b, or 16c are inserted into upper arch 12 by sliding them into slot 24.
The particular slot 24 shown in FIGURE 2a is exemplary only, and other sized slots can be used without departing from the intended scope of the present invention.
Likewise, the post 16 may be affixed to upper arch 12 by other techniques and structures Without departing from the intended scope of this invention. Similarly, upper - arch 12 may be formed integrally with downwardly extending post 16 in a predetermined location.

WO 95/08969 PCT/US94/1(1650 By adjusting the relative location of downwardly extending post 16, the degree to which the user's lower jaw is extended forward is adjusted. This adjustment allows for greater comfort for the user, and also allows 5 for a user to determine how far forward the lower jaw must be extended so as to prevent or diminish snoring, while maintaining comfort.
FIGURES 2b and 2c illustrate alternative embodiments for adjusting the relative position of downwardly l0 extending post 16. As shown in FIGURE 2b, the position of downwardly extending post 16 may be adjusted by set screw 26. Set screw 26 acts as a backstop for downwardly extending post 16. As set screw 26 is set farther, downwardly extending post 16 will be pushed farther forward, thereby resulting in greater forward extension of the lower jaw. FIGURE 2c illustrates an alternative embodiment in which set screw 28 contacts downwardly extending post 16 from the top, thereby fixing downwardly extending post 16 in place. Set screw 28 could also contact downwardly extending post 16 at the bottom or side to accomplish the same function.
FIGUREs 2a, 2b, and 2c illustrate various embodiments of the present invention in which the position of downwardly extending post 16 may be adjusted either forward or backward. It should be understood that the particular techniques disclosed for providing this adjustment are exemplary only, and other techniques and structures may be used without departing from the intended scope of the present invention.
As discussed, FIGUREs 2a, 2b, and 2c illustrate embodiments both for one-piece and two-piece devices.
For the two-piece embodiments, post 16 contacts the lower arch 14. For the one-piece embodiments, post 16 contacts the lower teeth and gums.

FIGURE 2d illustrates another two-piece embodiment for adjusting the forward position of the lower jaw. As shown in FIGURE 2d, during use, post 16 contacts stop 29 of lower arch 14. Stop 29 is adjustable, thereby allowing adjustment of the forward position of lower arch 14. Stop 29 can be adjusted, for example, through use of a set screw 31. Stop 29 may be adjusted in other ways, as well, without departing from the intended scope of the . present invention. For example, a plurality of stops 29, each with different stop positions can be provided, similarly to the posts of FIGURE 2a. Any one of such steps can be inserted to adjust the forward position of lower arch 14, and thus the lower jaw, for comfort and successful operation.

FIGURE 3a illustrates another two-piece embodiment of the present invention in which downwardly extending post 16 is shaped so as to allow engagement with lower arch 14. This engagement is for the purpose of preventing a user's mouth from opening too wide during use. If a user's mouth opens too wide during use, the downwardly extending post may no longer be in contact with lower arch 14, resulting in retraction of the bottom jaw. A particular embodiment for achieving this is shown in FIGURES 3a and 3b. As shown, the downwardly extending post 16 latches with a recess in lower arch 14. In particular, downwardly extending arch 16 is formed with a shoulder 30 that engages with matching shoulder 32 of lower arch 14. As shown in FIGURE 3a, the recess of lower arch 14 is elongated so as to allow side-to-side 3o movement of downwardly extending post 16, allowing for comfortable side-to-side movement of both upper arch 12 and lower arch 14. It should be understood that shoulders 30 and 32 may be also formed as part of a grooved or elliptical engagement structure, or any other structure that accomplishes the engagement function, without departing from the intended scope of this invention.
FIGURE 3c illustrates an embodiment in which the length of downwardly extending post 16 may be adjusted.
With a longer downwardly extending post 16, the engagement of downwardly extending post 16 with lower arch 14 will occur with the mouth wider open. This adjustment capability in the. length of downwardly extending post 16 allows for customization of the fit and increased comfort.
The particular structure discussed in connection with FIGURES 3a-3c is illustrative only. It should be understood that other structures may be used to allow downwardly extending post 16 to engage with lower arch 14. The function of the engagement, as discussed above, is to reduce thellikelihood that a user will open his or her mouth during sleep, causing retraction of the lower jaw and possible snoring.
The embodiments discussed in connection with FIGURES
2a-2c, in which the relative forward position of the downwardly extending post 16 is adjustable, may also be used in connection with the embodiments discussed in FIGUREs 3a-3c. Thus, the ability of downwardly extending post 16 to engage with lower arch 14 may be combined with adjusting the relative forward position of downwardly extending post 16.
FIGURE 4 illustrates an alternative embodiment of the present invention in which a tube loop 34 is provided for use in connection with upper arch 12 and downwardly extending post 16. Tube loop 34 secures a tube 36. Tube 36 may allow for the flow of a gas, such as oxygen.
Tubes such as tube 36 are used with sleep apnea patients to ensure the proper supply of oxygen to the user. Tube loop 34 may be formed integrally with upper arch 12, integrally with downwardly extending post 16, or may be formed as an attachment to either upper arch 12 or downwardly extending post 16. Likewise, tube loop 34 could be formed in connection with or attached to lower arch 14 for the two-piece embodiments., FIGURE 5 illustrates an alternative to the embodiment of the present invention in which a mold of the user's teeth is made by a dental professional. Thus, the deformable material 20 is not used. The embodiment shown in FIGURE 5 may be made of a suitable dental material, such as methylmethacrylate. The downwardly extending post 16 may be formed integrally with upper arch 38 or may be formed as an insert as discussed above in connection with FIGURES 2a-2c. Furthermore, downwardly extending post 16 of the embodiment shown in FIGURE 5 may be formed so as to perform all the functions discussed above in connection with FIGURES 2a-2c, and FIGUREs 3a-3c. Likewise, a loop 34 for securing a tube for supply of a gas may also be formed integrally or attached to either upper arch 38, lower arch 40, or downwardly extending post 16 of FIGURE 5. Upper arch 38 and post 16 may be used either with or without lower arch 40.
FIGURE 6a illustrates an alternative embodiment of the present invention that includes breathing channels 42. Breathing channels 42 may be formed integrally with downwardly extending post 16, upper arch 12, or lower arch 14. The purpose of these breathing channels is to provide a clear passage way for breathing during use.
These breathing channels 42 may be combined with any of the previously discussed embodiments of the present invention. Breathing channels 42 extend forward to separate the user's lips so as to allow air passage through the mouth. Such breathing channels will assist in the prevention of snoring and assist in the treatment of sleep apnea. It should be understood that the WO 95/08969 217 2 8 01 p~yUS94/10650 particular structure of the breathing channels shown in FIGUREs 6a and 6b is exemplary, and other structures may be used without departing from the intended scope of the present invention. .
FIGURE 6b illustrates an embodiment of post 16 formed with breathing channels 42. As shown in FIGURE
6b, the breathing channels 42 are disposed on either or both sides of downwardly extending post 16 to provide a clear passage way for breathing.
FIGURE 7 illustrates another embodiment of the present invention in which the upper arch 38 and lower arch 40 may be more fully secured to the user s teeth for use of various clasps. As shown in FIGURE 7, various clasps can be used to secure the upper and lower arches.
Illustrative embodiments include C clasps 44, ball clasps 46, and U clasps 48. Such clasps may be used with any of the embodiments disclosed above.
Although the present invention and its advantages has been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (26)

CLAIMS:
1. A dental device, comprising:
an upper arch including a deformable material comprising a mold of at least some of a user's upper teeth;
a lower arch including a deformable material comprising a mold of at least some of said user's lower teeth, said lower arch having an inside surface; and a post extending downward from said upper arch, said post being uncoupled from said lower arch to allow said lower arch to move up and down, said post contacting said inside surface of said lower arch to cause said lower arch to extend forward with respect to said upper arch whereby said user's lower jaw is extended forward.
2. The dental device of Claim 1, wherein the forward location of said lower arch, with respect to said upper arch, is adjustable.
3. The dental device of Claim 2, wherein said post is forwardly adjustable to accomplish the forward adjustment of said lower arch.
4. The dental device of Claim 2, and further comprising an adjustable stop coupled to said lower arch, said post contacting said adjustable stop to accomplish the forward adjustment of said lower arch.
5. The dental device of Claim 1, wherein:
said upper arch includes a slot; and said post engages with said upper arch in said slot.
6. The dental device of Claim 5, and further comprising a plurality of posts, only one of which is engaged with said upper arch at any one time, said posts having different forward locations with respect to said lower arch when engaged with said upper arch.
7. The dental device of Claim 5, and further comprising a set screw, said set screw adjusting the forward position of said post in said slot.
8. The dental device of Claim 5, and further comprising a set screw, said set screw fixing the forward position of said post in said slot.
9. The dental device of Claim 1, wherein said post is shaped to engage with said lower arch, such that said lower arch cannot be separated from said upper arch more than a predetermined amount while said post is engaged.
10. The dental device of Claim 9, wherein:
said post includes a first shoulder; and said lower arch includes a matching shoulder, such that said first and matching shoulders are engageable.
11. The dental device of Claim 10, wherein said matching shoulder accommodates side-to-side movement of said upper and lower arches.
12. The dental device of Claim 9, wherein the forward location of said lower arch, with respect to said upper arch, is adjustable.
13. The dental device of Claim 9, wherein:
said upper arch includes a slot; and said post engages with said upper arch in said slot.
14. The dental device of Claim 13, and further comprising a plurality of posts, only one of which is engaged with said upper arch at any one time, said posts having different forward locations with respect to said lower arch when engaged with said upper arch, said posts also having different lengths such that said amount said lower arch can be separated from said upper arch is variable.
15. The dental device of Claim 1, and further comprising a tube loop for securing a tube supplying gas to said user.
16. The dental device of Claim 1, and further comprising breathing channels extending from the device and through lips of said user, thereby providing improved air flow during sleep.
17. A dental device, comprising:
an upper arch including a deformable material comprising a mold of at least some of a user's upper teeth; and a slidable post extending downward from said upper arch and operable to contact said user's lower jaw to cause said user's lower jaw to extend forward with respect to said upper arch, said slidable post being forwardly adjustable with respect to said upper arch.
18. The dental device of Claim 17, wherein:
said upper arch includes a slot; and said post engages with said upper arch in said slot.
19. The dental device of Claim 18, and further comprising a plurality of posts, only one of which is engaged with said upper arch at any one time, said posts having different forward locations when engaged with said upper arch, thereby providing said forward adjustment.
20. The dental device of Claim 17, and further comprising a lower arch including a deformable material comprising a mold of at least some of said user's lower teeth, said slidable post contacting said lower arch.
21. The dental device of Claim 20, wherein said post is shaped to engage with said lower arch, such that said lower arch cannot be separated from said upper arch more than a predetermined amount while said post is engaged.
22. The dental device of Claim 21, wherein:
said post includes a first shoulder; and said lower arch includes a matching shoulder, such that said first and matching shoulders are engageable.
23. The dental device of Claim 17, and further comprising breathing channels extending from the device and through lips of said user, thereby providing improved air flow during sleep.
24. A dental device, comprising:
an upper arch including a deformable material comprising a mold of at least some of a user's upper teeth;
a lower arch including a deformable material comprising a mold of at least some of said user's lower teeth, said lower arch having an inside surface; and a post extending downward from said upper arch, said post being separate from said lower arch to allow said lower arch to move up and down, said post contacting said inside surface of said lower arch to cause said lower arch to extend forward with respect to said upper arch whereby said user's lower jaw is extended forward, said post being shaped to engage with said lower arch, such that said lower arch cannot be separated from said upper arch more than a predetermined amount while said post is engaged.
25. The dental device of Claim 24, wherein:
said post includes a first shoulder; and said lower arch includes a matching shoulder, such that said first and matching shoulders are engageable.
26. A dental device comprising:
an upper arch including a deformable material comprising a mold of at least some of a user's upper teeth;
a lower arch including a deformable material comprising a mold of at least some of said user's lower teeth;
a post extending downward from said upper arch, said post being separate from said lower arch; and an adjustable stop coupled to said lower arch, said post contacting said adjustable stop to cause said lower arch to extend forward with respect to said upper arch whereby said user's lower jaw is extended forward.
CA002172801A 1993-09-29 1994-09-20 Apparatus for preventing snoring and improving breathing Expired - Lifetime CA2172801C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US129,598 1993-09-29
US08/129,598 US5427117A (en) 1993-09-29 1993-09-29 Apparatus for prevention of snoring and improved breathing during sleep
PCT/US1994/010650 WO1995008969A1 (en) 1993-09-29 1994-09-20 Apparatus for preventing snoring and improving breathing

Publications (2)

Publication Number Publication Date
CA2172801A1 CA2172801A1 (en) 1995-04-06
CA2172801C true CA2172801C (en) 2005-02-22

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CA002172801A Expired - Lifetime CA2172801C (en) 1993-09-29 1994-09-20 Apparatus for preventing snoring and improving breathing

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US (3) US5427117A (en)
EP (1) EP0746288B1 (en)
JP (1) JPH09502910A (en)
AU (1) AU682724B2 (en)
CA (1) CA2172801C (en)
DE (1) DE69432483T2 (en)
WO (1) WO1995008969A1 (en)

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CA2172801A1 (en) 1995-04-06
EP0746288A4 (en) 1997-05-21
EP0746288A1 (en) 1996-12-11
US5427117A (en) 1995-06-27
US6516805B1 (en) 2003-02-11
DE69432483D1 (en) 2003-05-15
EP0746288B1 (en) 2003-04-09
AU7876294A (en) 1995-04-18
DE69432483T2 (en) 2004-02-26
AU682724B2 (en) 1997-10-16
JPH09502910A (en) 1997-03-25
WO1995008969A1 (en) 1995-04-06
US5566683A (en) 1996-10-22

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