Patent US2110662A successfully refreshed from Google Patents.
US3592197A
Expired / Lapsed
US
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Catheter
Assignee: Individual
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Filing: 1969-03-24
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Granted: 1971-07-13
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Expires: 1989-03-24
Abstract
Abstract This application discloses a catheter which comprises a hollow tube having a plurality of extensions at one end which are normally urged, by springs or other force exerting means, outwardly of the tube so that after the catheter has passed through a body passage or canal, with the end carrying the extensions entering first, when the extensions enter a body cavity the extensions will bend outwardly engaging the walls of the cavity adjacent the passage to retain the catheter therein so that fluid may be drained from the cavity.
Inventors
- 👤 Milton J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:02
CPC Classifications
A; A61; A61M; A61M27/00; A61M27/002; A61M27/008; A61F; A61F2/00; A61F2/0004; A61F2/02; A61F2/04; A61M25/00; A61M25/01; A61M25/02; A61M25/04; A61B; A61B90/00; A61B90/03; A61B2090/033; A61B2090/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A catheter comprising a hollow tube formed from a flexible material, said tube having a cylindrical portion surrounding a passage and a pair of portions at one end thereof movable from a position where they contact each other and are coextensive with the longitudinal axis of said tube to a position where they extend at an angle to that axis, each portion having a spring element embedded therein, each spring element extending a short distance into opposite sides of the cylindrical portion of said tube and each spring element being curved so as to exert a force outwardly of the longitudinal axis of said tube so as to cause said pair of portions to move to the position where they extend at an angle to the axis of said tube.
Claim 2
Dependent Claim
130 words
A catheter comprising a hollow tube formed from a flexible material, said tube having a cylindrical portion surrounding a passage and a pair of portions at one end thereof movable from a position where they contact each other and are coextensive with the longitudinal axis of said tube to a position where they extend at an angle to that axis, each portion having a spring element embedded therein, each spring element extending a short distance into opposite sides of the cylindrical portion of said tube and each spring element being curved so as to exert a force outwardly of the longitudinal axis of said tube so as to cause said pair of portions to move to the position where they extend at an angle to the axis of said tube.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |