Patent US3149633A successfully refreshed from Google Patents.
US3149633A
Expired / Lapsed
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Resectoscope
Assignee: Individual
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Filing: 1961-06-15
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Granted: 1964-09-22
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Frank G Zingale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00131; A61B1/00135; A61B1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A RESECTOSCOPE COMPRISING A BODY INCLUDING A CONTROL ASSEMBLY; THE CONTROL ASSEMBLY COMPRISING A CYLINDER MEMBER AND A PISTON MEMBER IN THE CYLINDER, ONE OF SAID MEMBERS BEING MOUNTED IN FIXED RELATION WITH RESPECT TO SAID BODY, MEANS FOR PROVIDING RELATIVE SLIDING MOVEMENT BETWEEN THE CYLINDER AND PISTON MEMBERS, A CUTTING LOOP SUPPORTED BY THE OTHER OF THE MEMBERS FOR SLIDING MOVEMENT THEREWITH RELATIVELY TO SAID ONE OF SAID MEMBERS, A HIGH FREQUENCY CURRENT CONDUCTOR FOR CONNECTION TO A HIGH FREQUENCY CURRENT SOURCE AND TO THE CUTTING LOOP TO SUPPLY CURRENT TO THE CUTTING LOOP TO HEAT THE CUTTING LOOP, MEANS FOR DELIVERING HIGH PRESSURE FLUID TO ALTERNATE SIDES OF THE PISTON MEMBER, AND VALVE MEANS FOR CONTROLLING THE DELIVERY OF THE FLUID, THE VALVE MEANS HAVING AN OPERATING MEMBER SUPPORTED BY THE BODY AND POSITIONED FOR ACCESS BY THE FINGER OF A HAND HOLDING THE BODY, THE OPERATING MEMBER BEING MOVABLE BETWEEN FIRST AND SECOND POSITIONS CORRESPONDING TO THE EXTREMES OF SLIDING MOVEMENT OF THE CUTTING LOOP, THE VALVE MEANS HAVING MEANS TO REGULATE THE DELIVERY OF FLUID IN RESPONSE TO MOVEMENT OF THE OPERATING MEMBER TO ANY SELECTED INTERMEDIATE POSITION TO CAUSE THE CUTTING LOOP TO MOVE TO A CORRESPONDING INTERMEDIATE POSITION.
Claim 2
Dependent Claim
204 words
A RESECTOSCOPE COMPRISING A BODY INCLUDING A CONTROL ASSEMBLY; THE CONTROL ASSEMBLY COMPRISING A CYLINDER MEMBER AND A PISTON MEMBER IN THE CYLINDER, ONE OF SAID MEMBERS BEING MOUNTED IN FIXED RELATION WITH RESPECT TO SAID BODY, MEANS FOR PROVIDING RELATIVE SLIDING MOVEMENT BETWEEN THE CYLINDER AND PISTON MEMBERS, A CUTTING LOOP SUPPORTED BY THE OTHER OF THE MEMBERS FOR SLIDING MOVEMENT THEREWITH RELATIVELY TO SAID ONE OF SAID MEMBERS, A HIGH FREQUENCY CURRENT CONDUCTOR FOR CONNECTION TO A HIGH FREQUENCY CURRENT SOURCE AND TO THE CUTTING LOOP TO SUPPLY CURRENT TO THE CUTTING LOOP TO HEAT THE CUTTING LOOP, MEANS FOR DELIVERING HIGH PRESSURE FLUID TO ALTERNATE SIDES OF THE PISTON MEMBER, AND VALVE MEANS FOR CONTROLLING THE DELIVERY OF THE FLUID, THE VALVE MEANS HAVING AN OPERATING MEMBER SUPPORTED BY THE BODY AND POSITIONED FOR ACCESS BY THE FINGER OF A HAND HOLDING THE BODY, THE OPERATING MEMBER BEING MOVABLE BETWEEN FIRST AND SECOND POSITIONS CORRESPONDING TO THE EXTREMES OF SLIDING MOVEMENT OF THE CUTTING LOOP, THE VALVE MEANS HAVING MEANS TO REGULATE THE DELIVERY OF FLUID IN RESPONSE TO MOVEMENT OF THE OPERATING MEMBER TO ANY SELECTED INTERMEDIATE POSITION TO CAUSE THE CUTTING LOOP TO MOVE TO A CORRESPONDING INTERMEDIATE POSITION.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |