US3908635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified catheter
Assignee: Individual
•
Filing: 1974-06-24
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Granted: 1975-09-30
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Expires: 1994-06-24
Abstract
Abstract A simplified catheter structure including a disc adapted to be positioned in contact with the urethra meatus. The disc is provided with an aperture and a flexible tube is secured to the disc at the aperture. The flexible tube is adapted to be pushed through the aperture by grasping the tube between the fingers and moving it toward the disc whereby the tube becomes everted in the urethra.
Inventors
- 👤 Nicholas F Viek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:52
CPC Classifications
A; A61; A61B; A61B10/00; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0119
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
164 words
A catheter structure consisting of a rigid disc having front and rear surfaces and an aperture therein, said disc being adapted to be placed in contact with the area surrounding the urethra meatus with said aperture in alignment with the urethra, and a thick-walled, flexible, cylindrical tube secured to said disc with the axis of said aperture and of said tube being coextensive, the forward end portion of said tube being everted and projecting through said aperture and forwardly of said disc and being adapted to be positioned in alignment with the urethra and the major portion of said tube being inverted and extending rearwardly through said aperture and said disc, said cylindrical tube having sufficient rigidity so as to permit advancement of said tube through said aperture in said disc and to permit eversion progressively of said tube into the urethra by manually grasping said tube rearwardly of said disc and by manually pushing said tube through said aperture and into the urethra.
Claim 2
Dependent Claim
164 words
A catheter structure consisting of a rigid disc having front and rear surfaces and an aperture therein, said disc being adapted to be placed in contact with the area surrounding the urethra meatus with said aperture in alignment with the urethra, and a thick-walled, flexible, cylindrical tube secured to said disc with the axis of said aperture and of said tube being coextensive, the forward end portion of said tube being everted and projecting through said aperture and forwardly of said disc and being adapted to be positioned in alignment with the urethra and the major portion of said tube being inverted and extending rearwardly through said aperture and said disc, said cylindrical tube having sufficient rigidity so as to permit advancement of said tube through said aperture in said disc and to permit eversion progressively of said tube into the urethra by manually grasping said tube rearwardly of said disc and by manually pushing said tube through said aperture and into the urethra.
Claim 3
Dependent Claim
16 words
A catheter as defined in claim 1 wherein said cylindrical tube is integral with said disc.
Claim 4
Dependent Claim
26 words
A catheter as defined in claim 1 wherein said aperture in said disc is tapered with its larger diameter at the rear surface of said disc.
Claim 5
Dependent Claim
36 words
A catheter as defined in claiM 1 wherein said disc is provided with an integral collar at said aperture on its rearward surface and the forward end of said cylindrical tube is secured to said collar.
Claim 6
Dependent Claim
30 words
A catheter as defined in claim 4 wherein said aperture and the internal surface of said collar are tapered with the larger diameter at the rear surface of said collar.
Claim 7
Dependent Claim
18 words
A catheter as defined in claim 1 wherein said cylindrical tube is tapered toward its rearwardly extending end.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |