US3750692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chest drainage system
Assignee: Individual
•
Filing: 1972-01-11
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Granted: 1973-08-07
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Expires: 1992-01-11
Abstract
Abstract Chest drainage apparatus utilizing three compartments integrally formed within a single container to define a first water-sealed fluid-receiving chamber, a second pressure regulating chamber and a third trap chamber. A control valve is provided to selectively communicate or preclude communication between the first chamber and the remaining chambers. In addition, the first compartment includes a stopcock positioned therein above the level of the water seal for a selective draining of the compartment without requiring a dismantling of the apparatus. The pressure is regulated through a vertically adjustable tube communicated with the interior of the second chamber. All three chambers include stopper closed openings which can be used for the insertion or removal of water as well as a cleaning of the interior of the chambers.
Inventors
- 👤 E Tibbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/60; A61M1/61; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3109
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
201 words
Chest drainage apparatus comprising a three-chamber single container including a first sealing chamber, first tube means including a lower end positioned within the lower end portion of the first chamber, said first tube means extending vertically through and outward beyond said first chamber for fluid-receiving communication with a chest cavity, said first chamber being adapted to receive a water seal therein to a level above the lower end of the first tube means, second tube means extending into each of said chambers, one of said remaining chambers comprising a second liquid receiving pressure regulating chamber, a regulating tube extending vertically into said second regulating chamber and communicating said second chamber with the atmosphere, said second chamber including an aperture therethrough receiving said regulating tube for a vertical adjustment thereof relative to said second chamber, the remaining chamber comprising a third trap chamber, and a pump tube communicating with the interior of said third chamber and extending exteriorly therefrom for engagement with pump means, and valve means within said second tube means operable to selectively communicate the first chamber with the remaining chambers or with the atmosphere so as to selectively define a one-chamber drainage apparatus or a three-chamber suction drainage apparatus.
Claim 2
Dependent Claim
201 words
Chest drainage apparatus comprising a three-chamber single container including a first sealing chamber, first tube means including a lower end positioned within the lower end portion of the first chamber, said first tube means extending vertically through and outward beyond said first chamber for fluid-receiving communication with a chest cavity, said first chamber being adapted to receive a water seal therein to a level above the lower end of the first tube means, second tube means extending into each of said chambers, one of said remaining chambers comprising a second liquid receiving pressure regulating chamber, a regulating tube extending vertically into said second regulating chamber and communicating said second chamber with the atmosphere, said second chamber including an aperture therethrough receiving said regulating tube for a vertical adjustment thereof relative to said second chamber, the remaining chamber comprising a third trap chamber, and a pump tube communicating with the interior of said third chamber and extending exteriorly therefrom for engagement with pump means, and valve means within said second tube means operable to selectively communicate the first chamber with the remaining chambers or with the atmosphere so as to selectively define a one-chamber drainage apparatus or a three-chamber suction drainage apparatus.
Claim 3
Dependent Claim
49 words
The apparatus of claim 1 including a selectively openable chamber draining stopcock mounted on said first chamber in spaced relation above the lower end of the first tube means for a selective draining of that portion of the first chamber above the lower end of the first tube means.
Claim 4
Dependent Claim
69 words
The apparatus of claim 2 wherein said first chamber is of a greater height than said second and third chambers, said second and third chambers including a common top wall, said first chamber including a top wall parallel to and upwardly stepped relative to the common top wall of the second and third chambers, and handle means integrally formed with said unit and overlying the second and third chambers.
Claim 5
Dependent Claim
20 words
The apparatus of claim 3 wherein each of said chambers includes a stopper closed access opening through the top thereof.
Claim 6
Dependent Claim
69 words
The apparatus of claim 1 wherein said first chamber is of a greater height than said second and third chambers, said second and third chambers including a common top wall, said first chamber including a top wall parallel to and upwardly stepped relative to the common top wall of the second and third chambers, and handle means integrally formed with said unit and overlying the second and third chambers.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |