US5649533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic respiration device
Assignee: Individual
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Filing: 1994-06-06
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Granted: 1997-07-22
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Expires: 2014-06-06
Abstract
Abstract A respiration device for preventing Sleep Apnea and snoring of patients. The device comprises a nose-mask and a housing with an inhalation and an exhalation, one-way, elastically self-closing, preferably diaphragm-type valves. The exhalation valve is adapted to close against a predetermined, elevated pressure prevailing in the housing prior to the completion of exhalation by the patient.
Inventors
- 👤 Nathan Oren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:03
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/20; A61M16/208
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
A respiration device, particularly for preventing Sleep Apnea and snoring, comprising: a housing defining an enclosed air chamber; a first opening in the housing; an inhalation, one-way, self-closing valve mounted to the first opening; a second opening in the housing; an exhalation, one-way, elastically self-closing valve mounted to the second opening; a third, breathing opening communicating with a mask to be worn by a patient; said valves being operable to enable air flow into and from the chamber through said first and second openings, respectively; and said exhalation valve being self-biased to close without additional assistance applied on the exhalation valve against a predetermined, elevated pressure higher than ambient pressure, prevailing in said chamber prior to the completion of exhalation by the patient.
Claim 2
Dependent Claim
123 words
A respiration device, particularly for preventing Sleep Apnea and snoring, comprising: a housing defining an enclosed air chamber; a first opening in the housing; an inhalation, one-way, self-closing valve mounted to the first opening; a second opening in the housing; an exhalation, one-way, elastically self-closing valve mounted to the second opening; a third, breathing opening communicating with a mask to be worn by a patient; said valves being operable to enable air flow into and from the chamber through said first and second openings, respectively; and said exhalation valve being self-biased to close without additional assistance applied on the exhalation valve against a predetermined, elevated pressure higher than ambient pressure, prevailing in said chamber prior to the completion of exhalation by the patient.
Claim 3
Dependent Claim
19 words
The device as claimed in claim 1 wherein at least the said exhalation valve comprises an elastic, flap-type diaphragm.
Claim 4
Dependent Claim
22 words
The device as claimed in claim 2 wherein the diaphragm is circular, affixed at its center against one side of said housing.
Claim 5
Dependent Claim
23 words
The device as claimed in claim 3 wherein the diaphragm is sealable against a rim provided on a disc fastened to said opening(s).
Claim 6
Dependent Claim
19 words
The device as claimed in claim 1, where at least the said inhalation valve comprises an elastic, flat-type diaphragm.
Claim 7
Dependent Claim
19 words
The device as claimed in claim 2 where at least the said inhalation valve comprises an elastic, flat-type diaphragm.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-21 | 2001-01-20 | 2001-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-21 | 2005-01-20 | 2005-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-21 | 2009-01-20 | 2009-07-22 | $7700.00 | Window Closed / Lapsed |