US3081770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Individual
•
Filing: 1960-09-21
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Granted: 1963-03-19
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 John M Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3401; A61B10/00; A61B10/0045; A61M; A61M39/00; A61M39/22; A61M39/223; A61B2010/0077
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
A SURGICAL INSTRUMENT FOR SELECTIVELY DRAINING FLUIDS FROM BODY CAVITIES AND FOR RECORDING THE PRESSURE OF A BODY FLUID, COMPRISING A HUB, A PASSAGE FORMED ALONG AN AXIS THROUGH SAID HUB, A TUBULAR SURGICAL NEEDLE EXTENDING AXIALLY FROM SAID HUB AND COMMUNICATING WITH SAID PASAGE, A VALVE MEMBER RECEIVED CONFORMABLY IN SAID PASSAGE FOR ROTATION ABOUT SAID AXIS, SAID VALVE MEMBER BEING FORMED WITH A SURFACE GROOVE EXTENDING TO AN END THEREOF ALONG SAID AXIS TO COMMUNICATE WITH SAID PASSAGE, AND WITH A SURFACE CHANNEL CLOSED FROM COMMUNICATION WITH SAID GROOVE BY THE BODY OF SAID VALVE MEMBER AND EXTENDING ARCUATELY ABOUT SAID AXIS, THE BODY OF SAID VALVE MEMBER FURTHER CLOSING COMMUNICATION BETWEEN SAID CHANNEL AND SAID PASSAGE, SAID HUB BEING PROVIDED WITH A DRAIN CONDUIT AND A FURTHER CONDUIT ADAPTED TO CONNECT WITH A PRESSURE-SENSING DEVICE, SAID CONDUITS OPENING INTO SAID PASSAGE AND NORMALLY BEING CLOSED BY SAID VALVE MEMBER,
References Cited (Backward Citations)
US2899959A
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FR575559A
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US2396351A
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US2630803A
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US2646042A
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FR1092011A
Cited
US2830587A
Cited
US2854027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |