Patent US3844290A successfully refreshed from Google Patents.
US3844290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracheotomy device
Assignee: Individual
•
Filing: 1972-07-20
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Granted: 1974-10-29
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Expires: 1992-07-20
Abstract
Abstract A removable housing, fitting on a tracheotomy tube, includes an upright, flat type valve for freely and easily opening and closing the tracheotomy tube during breathing and physical exertions by the patient.
Inventors
- 👤 D Brown
- 👤 A Birch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:40
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M16/0468
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
169 words
A tracheotomy tube valve assembly for use with a tracheotomy tube inserted in the throat of an individual, the assembly comprising a an enclosed, hollow housing means having an inlet means and an outlet means, the housing means includes means to mount said housing means to the exterior end of said tracheotomy tube whereby the outlet means is connected to said tube for passage of air, b closure means having a flat, rigid, closure member positioned unattached within said housing means, said closure member being arranged to move about one edge from an open position where the closure member is completely spaced from the inlet means to a closed position where said closure member lies against said inlet means and prevents reverse air flow out of said inlet means during exhalation by said individual, and c means for passing air around said closure member so that air will freely pass during inhalation from the inlet means tO the outlet means when the closure member is in the open position.
Claim 2
Dependent Claim
169 words
A tracheotomy tube valve assembly for use with a tracheotomy tube inserted in the throat of an individual, the assembly comprising a an enclosed, hollow housing means having an inlet means and an outlet means, the housing means includes means to mount said housing means to the exterior end of said tracheotomy tube whereby the outlet means is connected to said tube for passage of air, b closure means having a flat, rigid, closure member positioned unattached within said housing means, said closure member being arranged to move about one edge from an open position where the closure member is completely spaced from the inlet means to a closed position where said closure member lies against said inlet means and prevents reverse air flow out of said inlet means during exhalation by said individual, and c means for passing air around said closure member so that air will freely pass during inhalation from the inlet means tO the outlet means when the closure member is in the open position.
Claim 3
Dependent Claim
18 words
A tracheotomy tube closure assembly according to claim 1 wherein said closure member pivots about its bottom edge.
Claim 4
Dependent Claim
17 words
A tracheotomy tube closure assembly according to claim 1 wherein said closure member is thin and lightweight.
Claim 5
Dependent Claim
27 words
A tracheotomy tube closure assembly according to claim 1 wherein said means for passing air around said closure member includes a plurality of cut-outs along its edge.
Claim 6
Dependent Claim
33 words
A tracheotomy tube closure assembly according to claim 5 being further characterized by stop means in said housing means limiting movement of said closure member toward the tracheotomy tube maintaining the same open.
Claim 7
Dependent Claim
21 words
A tracheotomy tube closure assembly according to claim 6 wherein said housing means and said closure member are formed of plastic.
Claim 8
Dependent Claim
153 words
A tracheotomy tube valve assembly comprising a generally rectangular housing having front and rear walls, side and top walls and a partial bottom wall; a sloping inner wall extending from said bottom wall toward said rear wall and connected to said top wall forming first and second chambers; said first chamber having an opening in said front wall and an opening in said sloping wall; said second chamber having an open bottom and a slot in said rear wall communicating with said open bottom; a flat closure member pivotally mounted generally upright in said first chamber and pivotal from its bottom edge and arranged to close said opening in said front wall; said closure member having air passage means therearound in said first chamber when out of contact with said front wall; and stop means in said first chamber arranged to prevent said closure means from closing said opening in said sloping wall.
Claim 9
Dependent Claim
153 words
A tracheotomy tube valve assembly comprising a generally rectangular housing having front and rear walls, side and top walls and a partial bottom wall; a sloping inner wall extending from said bottom wall toward said rear wall and connected to said top wall forming first and second chambers; said first chamber having an opening in said front wall and an opening in said sloping wall; said second chamber having an open bottom and a slot in said rear wall communicating with said open bottom; a flat closure member pivotally mounted generally upright in said first chamber and pivotal from its bottom edge and arranged to close said opening in said front wall; said closure member having air passage means therearound in said first chamber when out of contact with said front wall; and stop means in said first chamber arranged to prevent said closure means from closing said opening in said sloping wall.
Claim 10
Dependent Claim
38 words
A tracheotomy tube valve assembly according to claim 7 wherein said housing is generally rectangular in cross-section and said closure member is generally rectangular and of a size to maintain its position in all attitudes of said housing.
Claim 11
Dependent Claim
24 words
A tracheotomy tube valve assembly according to claim 7 wherein the bottom edge of said closure member is rounded forming a pivot point therefore.
Claim 12
Dependent Claim
22 words
A tracheotomy tube valve assembly according to claim 7 wherein said second chamber is wedge shaped seating securely on a tracheotomy tube.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |