US3796216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resuscitator
Assignee: Individual
•
Filing: 1972-04-24
•
Granted: 1974-03-12
•
Expires: 1992-04-24
Abstract
Abstract A respiratory assisting device for use to support and to reestablish substantially normal breathing when same has been halted or impaired as by immersion or other suffocatory circumstances and including a mask or face piece having an exhalation port in one end of a body member and an inhalation port within the body member and with an aperture between the ports and communicating with the mask and a valve member having a flap portion normally closing the inhalation port and movably to open the inhalation port and close the exhalation port in response to manual pressure on a gas bag mounted on the other end of the body member and which receives gas from a suitable source.
Inventors
- 👤 K Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/20; A61M16/208; A61M2202/00; A61M2202/02; A61M2202/0208; A61M2202/03; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
160 words
A resuscitator comprising: a. a mask having a gas supply portion and a peripheral portion, said supply portion including a first wall attached directly to said peripheral portion and containing an inhalation port and a second wall attached directly to said peripheral portion and adjacent to said first wall and containing an exhalation port, said peripheral portion defining a chamber adapted to receive a mouth and nose of a person; b. said first and second walls defining an aperture therebetween opening directly into said chamber; c. said supply portion having a gas receiving body adjacent said inhalation port and communicating therewith; d. means connected to said gas receiving body and operative to selectively deliver gas through said inhalation port and aperture directly into said chamber; and e. a valve member in said aperture and normally closing said inhalation port and movable within said aperture to close said exhalation port in response to a flow of gas through said inhalation port.
Claim 2
Dependent Claim
160 words
A resuscitator comprising: a. a mask having a gas supply portion and a peripheral portion, said supply portion including a first wall attached directly to said peripheral portion and containing an inhalation port and a second wall attached directly to said peripheral portion and adjacent to said first wall and containing an exhalation port, said peripheral portion defining a chamber adapted to receive a mouth and nose of a person; b. said first and second walls defining an aperture therebetween opening directly into said chamber; c. said supply portion having a gas receiving body adjacent said inhalation port and communicating therewith; d. means connected to said gas receiving body and operative to selectively deliver gas through said inhalation port and aperture directly into said chamber; and e. a valve member in said aperture and normally closing said inhalation port and movable within said aperture to close said exhalation port in response to a flow of gas through said inhalation port.
Claim 3
Dependent Claim
34 words
The resuscitator as set forth in claim 1 wherein: a. said gas supply portion includes a pair of finger contracting ribs spaced apart on either side of said exhalation port and extending outwardly therefrom.
Claim 4
Dependent Claim
40 words
a first flap portion having opposite sides and being within said body member and normally closing said second port and movable between the end wall of said body member and said portions defining said second port for closing same respectively;
Claim 5
Dependent Claim
40 words
a first flap portion having opposite sides and being within said body member and normally closing said second port and movable between the end wall of said body member and said portions defining said second port for closing same respectively;
Claim 6
Dependent Claim
25 words
a first flap portion within said body member and normally closing said second port and movable between said first named port and said second port;
Claim 7
Dependent Claim
25 words
a first flap portion within said body member and normally closing said second port and movable between said first named port and said second port;
Claim 8
Dependent Claim
16 words
a connecting portion of reduced thickness between said mounting portion and said first flap portion; and
Claim 9
Dependent Claim
16 words
a connecting portion of reduced thickness between said mounting portion and said first flap portion; and
Claim 10
Dependent Claim
187 words
A resuscitator comprising: a. a mask having a peripheral portion adapted to sealingly engage a face of a person and to enclose a mouth and a nose of the person; b. a tubular body member on said mask, said body member having spaced portions and a port to the exterior in one of said portions; c. a gas inlet adjacent the other portion of said body member for communicating a source of gas to said body member; d. a flexible gas bag having one end thereof mounted on the other portion of said body member and adapted to be expanded by gas from said gas source; e. a second port within said body member and spaced from said first named port; f. said body portion between the ports having communication with the interior of the mask; g. valve means in said body member normally closing said second named port and movable between said second named port and said first named port for substantially closing same to thereby control gas flow into said mask for inhalation and exhalation flow from said mask respectively; h. said valve means comprising:
Claim 11
Dependent Claim
187 words
A resuscitator comprising: a. a mask having a peripheral portion adapted to sealingly engage a face of a person and to enclose a mouth and a nose of the person; b. a tubular body member on said mask, said body member having spaced portions and a port to the exterior in one of said portions; c. a gas inlet adjacent the other portion of said body member for communicating a source of gas to said body member; d. a flexible gas bag having one end thereof mounted on the other portion of said body member and adapted to be expanded by gas from said gas source; e. a second port within said body member and spaced from said first named port; f. said body portion between the ports having communication with the interior of the mask; g. valve means in said body member normally closing said second named port and movable between said second named port and said first named port for substantially closing same to thereby control gas flow into said mask for inhalation and exhalation flow from said mask respectively; h. said valve means comprising:
Claim 12
Dependent Claim
40 words
a connecting portion of reduced thickness between said mounting portion and said first flap portion, said connecting portion having one side thereof substantially coplanar with one side of said mounting portion and one side of said first flap portion; and
Claim 13
Dependent Claim
40 words
a connecting portion of reduced thickness between said mounting portion and said first flap portion, said connecting portion having one side thereof substantially coplanar with one side of said mounting portion and one side of said first flap portion; and
Claim 14
Dependent Claim
248 words
A resuscitator comprising: a. a mask having a wall having a peripheral portion adapted to be in sealing engagement with a face of a person and to enclose a mouth and a nose of the person; b. a tubular body member mounted on said mask and having a side wall and an end wall at one end of said body member; c. a tubular gas passage mounted on said body member and having one end thereof within and adjacent the other end of said body member for communicating a source of gas to said body member; d. a flexible gas bag having one end thereof open and mounted on the other end of said body member and adapted to be expanded by gas from said gas passage; e. a first port in the end wall of said body member; f. portions extending inwardly from said side wall of said body member and defining a second port, said second port being positioned in close proximity to said first port; g. said body member between the ports having communication with the interior of said mask; h. valve means in said body member and normally closing said second port and being movable between said end wall of said body member and said portions defining said second port for closing said first port and said second port respectively to thereby control gas flow through said second port for inhalation and flow through said first port during exhalation; i. said valve means comprising:
Claim 15
Dependent Claim
248 words
A resuscitator comprising: a. a mask having a wall having a peripheral portion adapted to be in sealing engagement with a face of a person and to enclose a mouth and a nose of the person; b. a tubular body member mounted on said mask and having a side wall and an end wall at one end of said body member; c. a tubular gas passage mounted on said body member and having one end thereof within and adjacent the other end of said body member for communicating a source of gas to said body member; d. a flexible gas bag having one end thereof open and mounted on the other end of said body member and adapted to be expanded by gas from said gas passage; e. a first port in the end wall of said body member; f. portions extending inwardly from said side wall of said body member and defining a second port, said second port being positioned in close proximity to said first port; g. said body member between the ports having communication with the interior of said mask; h. valve means in said body member and normally closing said second port and being movable between said end wall of said body member and said portions defining said second port for closing said first port and said second port respectively to thereby control gas flow through said second port for inhalation and flow through said first port during exhalation; i. said valve means comprising:
Claim 16
Dependent Claim
45 words
a second flap portion extending from said mounting portion and normally closing said first named port, said second flap portion being adapted to be moved to open said first named port by flow of gas outwardly from said mask and through said first named port.
Claim 17
Dependent Claim
45 words
a second flap portion extending from said mounting portion and normally closing said first named port, said second flap portion being adapted to be moved to open said first named port by flow of gas outwardly from said mask and through said first named port.
Claim 18
Dependent Claim
38 words
a second flap portion extending from said mounting portion and normally closing said first port, said second flap being moved to open said first port by flow of gas outwardly from said mask and through said first port.
Claim 19
Dependent Claim
38 words
a second flap portion extending from said mounting portion and normally closing said first port, said second flap being moved to open said first port by flow of gas outwardly from said mask and through said first port.
References Cited (Backward Citations)
GB799225A
Cited
US2931356A
Cited
GB893721A
Cited
US3196866A
Cited
US3366133A
Cited
US3295547A
Cited
US3419031A
Cited
US3610698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |