Patent US4526575A successfully refreshed from Google Patents.
US4526575A
Expired / Lapsed
US
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Hydropropulsion catheter and method for removing urinary blockages
Assignee: Individual
•
Filing: 1982-09-30
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Granted: 1985-07-02
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Expires: 2002-09-30
Abstract
Abstract A device for removing urinary blockages in small male animals comprising non-traumatic needle adapted to be inserted in the urethra of the animal, connected to means for introducing a pulsating liquid flow through said needle is disclosed. Also disclosed is a method of removing urinary blockages in small male animals comprising inserting said needle in the urethra.
Inventors
- 👤 Conrad Roblejo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:24
CPC Classifications
A; A61; A61D; A61D1/00; A61D1/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
45 words
Device for removing urinary blockages in small male animals comprising non-traumatic needle adapted to be inserted in the urethra of the animal, means for positioning the needle into the penis of the small animal, and means for introducing a pulsating liquid flow through said needle.
Claim 2
Dependent Claim
45 words
Device for removing urinary blockages in small male animals comprising non-traumatic needle adapted to be inserted in the urethra of the animal, means for positioning the needle into the penis of the small animal, and means for introducing a pulsating liquid flow through said needle.
Claim 3
Dependent Claim
13 words
Device in accordance with claim 1 wherein said means is a hydraulic oscillator.
Claim 4
Dependent Claim
18 words
Device in accordance with claim 1 wherein said needle is a number 20 to 25 gauge lacrimal canula.
Claim 5
Dependent Claim
14 words
Device in accordance with claim 1 wherein said needle is a flexible plastic catheter.
Claim 6
Dependent Claim
24 words
Device in accordance with claim 1 wherein said means for positioning is a convex plastic disc adapted to the size of the animal's penis.
Claim 7
Dependent Claim
33 words
Method of removing urinary blockages in small male animals comprising inserting an non-traumatic needle in the urethra of the animal, and then introducing pulsating liquid through the needle, thereby immediately dislodging the blockage.
Claim 8
Dependent Claim
33 words
Method of removing urinary blockages in small male animals comprising inserting an non-traumatic needle in the urethra of the animal, and then introducing pulsating liquid through the needle, thereby immediately dislodging the blockage.
Claim 9
Dependent Claim
18 words
Method in accordance with claim 6 wherein the liquid introduced through the needle is a warm saline solution.
Claim 10
Dependent Claim
51 words
Method in accordance with claim 6 wherein the penis is inserted through a hole in the center of a convex plastic disc adapted to the size of the animal's penis and the disc is pressed against the animal's body to cause protrusion of the penis prior to insertion of the needle.
References Cited (Backward Citations)
US1846596A
Cited
US1819368A
Cited
US3883074A
Cited
US3874372A
Cited
US3993054A
Cited
US4305395A
Cited
US4365752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-01 | 1988-12-31 | 1989-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-01 | 1992-12-31 | 1993-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-01 | 1996-12-31 | 1997-07-02 | $7700.00 | Window Closed / Lapsed |