Patent US3683931A successfully refreshed from Google Patents.
US3683931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracheal instrument
Assignee: PARAMEDICAL SPECIALTIES
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Filing: 1970-04-16
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Granted: 1972-08-15
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Expires: 1990-04-16
Abstract
Abstract A tracheal instrument adapted for connection to a tracheotomy tube to control the ingress and egress of air by the patient with which the tracheotomy tube is associated. The tracheal instrument includes a housing having an interior and inlet and outlet passageways providing communication between the interior of the housing, a source of air, and the tracheotomy tube, respectively. A moveable valve element is disposed within the housing to selectively open or close at least one of said passageways in accordance with the ingress or egress of air by the patient. Due to the action of a biasing member connected thereto the valve element operates to permit ingress of air to the patient through the tracheal instrument while preventing egress of air therethrough. In this manner the patient output air passes through his vocal cord area to enable him to speak at will. The instrument further comprises conduit means open to the interior of the tracheotomy tube which permits direct access by instruments to the tube.
Inventors
- 👤 Kenneth M Chelucci
- 👤 Freddy E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:34
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M16/0468
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
140 words
A tracheal instrument comprising an abbreviated conduit body having first and second end portions, first and second conduit legs having portions substantially in alignment and communicating with each other and with said first end portion of the conduit body, a tracheotomy tube connected to said first leg, removable plug means connected to said second leg, a one-way inlet valve disposed within said body, an air source communicating with said second end portion of said body, and biasing means within said body in connected relation to said valve operable to position said valve in an open position to enable the flow of air through said body in the direction of said first end portion and operable to yield to permit the closing of said valve when the gas pressure condition in said first end portion is increased to a predetermined valve.
Claim 2
Dependent Claim
140 words
A tracheal instrument comprising an abbreviated conduit body having first and second end portions, first and second conduit legs having portions substantially in alignment and communicating with each other and with said first end portion of the conduit body, a tracheotomy tube connected to said first leg, removable plug means connected to said second leg, a one-way inlet valve disposed within said body, an air source communicating with said second end portion of said body, and biasing means within said body in connected relation to said valve operable to position said valve in an open position to enable the flow of air through said body in the direction of said first end portion and operable to yield to permit the closing of said valve when the gas pressure condition in said first end portion is increased to a predetermined valve.
Claim 3
Dependent Claim
20 words
The instrument of claim 1, including treated air conduit means also communicating with said second end portion of said body.
Claim 4
Dependent Claim
262 words
A tracheal instrument adapted for connection to a tracheotomy tube and for controlling the ingress and egress of air by the patient with which said tracheotomy tube is associated, said tracheal instrument comprising a source of air, a tubular housing having an interior, first means defining an inlet passageway between said housing interior and said source of air, second means defining an outlet passageway between said housing interior and said tracheotomy tube, a disc valve element mounted within said housing interior for axial movement toward and away from a valve seat therein, said element being movable from a first position, wherein both of said passageways are open so that communication is had through said housing between said tracheotomy tube and said source of air, to a second position wherein at least one of said passageways is closed by engagement of said element with said seat, and biasing means in engagement with said valve element, said valve element being movable to said first position under the urging of said biasing means in response to ingress of air to said patient and being movable to said second position in response to egress of air from said patient, said second means comprising a conduit having a central branch and having first and second diverging branches communicating with said central branch, said first and second diverging branches having portions substantially in alignment, said central branch being secured to said housing in communication with said housing interior, said first branch being adapted for connection to said tracheotomy tube, and plug means releasably secured in said second branch.
Claim 5
Dependent Claim
262 words
A tracheal instrument adapted for connection to a tracheotomy tube and for controlling the ingress and egress of air by the patient with which said tracheotomy tube is associated, said tracheal instrument comprising a source of air, a tubular housing having an interior, first means defining an inlet passageway between said housing interior and said source of air, second means defining an outlet passageway between said housing interior and said tracheotomy tube, a disc valve element mounted within said housing interior for axial movement toward and away from a valve seat therein, said element being movable from a first position, wherein both of said passageways are open so that communication is had through said housing between said tracheotomy tube and said source of air, to a second position wherein at least one of said passageways is closed by engagement of said element with said seat, and biasing means in engagement with said valve element, said valve element being movable to said first position under the urging of said biasing means in response to ingress of air to said patient and being movable to said second position in response to egress of air from said patient, said second means comprising a conduit having a central branch and having first and second diverging branches communicating with said central branch, said first and second diverging branches having portions substantially in alignment, said central branch being secured to said housing in communication with said housing interior, said first branch being adapted for connection to said tracheotomy tube, and plug means releasably secured in said second branch.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |