US3233610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocephalus shunt pump
Assignee: Individual
•
Filing: 1963-05-24
•
Granted: 1966-02-08
•
Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Wade Stanley Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:54
CPC Classifications
A; A61; A61M; A61M27/00; A61M27/002; A61M27/006; A61M2027/004; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HYDROCEPHALUS SHUNT PUMP FOR THE DRAINING OF VENTRICULAR FLUID IN CASES OF HYDROCEPHALUS, COMPRISING A VALVE ASSEMBLY HAVING TWO NON-RETURN VALVES ARRANGED IN SERIES, A FLEXIBLE CONDUIT CONNECTING SAID VALVES WHICH FORM RESPECTIVELY INLET AND OUTLET VALVES, EACH VALVE INCLUDING A VALVE DISC AND A VALVE SEAT, SAID DISC HAVING AN ANNULAR FLANGE TERMINATING IN AN ANNULAR KNIFE SAID VALVE ENGAGE SAID VALVE SEAT, A VALVE CAGE IN WHICH SAID VALVE DISC IS HOUSED, SAID CAGE COMPRISING AXIALLY EXTENDING ARMS CIRCUMFERENTIALLY SPACED AROUND AND ENGAGING THE PERIPHERY OF SAID VALVE DIS, AND A FLUID INLET CONDUIT CONNECTED TO THE UPSTREAM SIDE OF THE INLET VALVE FOR THE SUPPLY OF FLUID THERETO, SAID INLET CONDUIT HAVING A PERFORATE COLLECTING PIECE FOR INSERTION INTO THE VENTRICLE OF THE BRAIN, AND A FLUID OUTLET CONDUIT CONNECTED TO THE DOWNSTREAM SIDE OF THE OUTLET VALVE TO RECEIVE FLUID THEREFROM FOR DELIVERY TO A SAGGITAL SINUS.
Claim 2
Dependent Claim
152 words
A HYDROCEPHALUS SHUNT PUMP FOR THE DRAINING OF VENTRICULAR FLUID IN CASES OF HYDROCEPHALUS, COMPRISING A VALVE ASSEMBLY HAVING TWO NON-RETURN VALVES ARRANGED IN SERIES, A FLEXIBLE CONDUIT CONNECTING SAID VALVES WHICH FORM RESPECTIVELY INLET AND OUTLET VALVES, EACH VALVE INCLUDING A VALVE DISC AND A VALVE SEAT, SAID DISC HAVING AN ANNULAR FLANGE TERMINATING IN AN ANNULAR KNIFE SAID VALVE ENGAGE SAID VALVE SEAT, A VALVE CAGE IN WHICH SAID VALVE DISC IS HOUSED, SAID CAGE COMPRISING AXIALLY EXTENDING ARMS CIRCUMFERENTIALLY SPACED AROUND AND ENGAGING THE PERIPHERY OF SAID VALVE DIS, AND A FLUID INLET CONDUIT CONNECTED TO THE UPSTREAM SIDE OF THE INLET VALVE FOR THE SUPPLY OF FLUID THERETO, SAID INLET CONDUIT HAVING A PERFORATE COLLECTING PIECE FOR INSERTION INTO THE VENTRICLE OF THE BRAIN, AND A FLUID OUTLET CONDUIT CONNECTED TO THE DOWNSTREAM SIDE OF THE OUTLET VALVE TO RECEIVE FLUID THEREFROM FOR DELIVERY TO A SAGGITAL SINUS.
References Cited (Backward Citations)
US243121A
Cited
US605549A
Cited
US2481088A
Cited
US2969066A
Cited
US3021841A
Cited
US2867213A
Cited
US3020913A
Cited
US3111125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |