US3359982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing control for a surgical needle or instrument
Assignee: Individual
•
Filing: 1965-02-08
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Granted: 1967-12-26
•
Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Guiorguiev Methodi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:55
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B18/14; A61B2018/00315; A61B2018/00452; A61B2018/00476; A61B2018/00636; A61B2018/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A CIRCUIT FOR OPERATING A SURGICAL NEEDLE OR INSTRUMENT IN WHICH AN AC CURRENT IS RECTIFIED TO DC, OSCILLATED, AND THEN FIRED THROUGH THE SURGICAL NEEDLE OR INSTRUMENT, A CONTROL CIRCUIT COMPRISING MEANS FOR APPLYING AN AC FIELD TO A HUMAN BODY, MEANS FOR PICKING UP AN AC SIGNAL WHEN THE SURGICAL NEEDLE OR INSTRUMENT CONTACT THE HUMAN BODY, A RELAY, MEANS FOR ENERGIZING SAID RELAY, MEANS OPERABLE BY SAID AC SIGNAL FOR ACTIVATING SAID ENERGIZING MEANS, AND A SWITCH OPERABLE BY SAID RELAY FOR INITIATING OPERATION OF THE OPERATING CIRCUIT WHEN SAID RELAY IS ENERGIZED, A CONDENSER ON CHARGE, A SECOND RELAY, SAID SWITCH CONNECTING SAID CONDENSER TO SAID SECOND RELAY, A SECOND SWITCH, SAID SECOND RELAY OPERATING SAID SECOND SWITCH TO CONNECT THE CURRENT TO THE OPERATING CIRCUIT DURING THE DISCHARGE OF SAID CONDENSER, SAID CONDENSER BEING DISCHARGED WHEN SAID SWITCH IS OPERATED TO CONNECT SAID CONDENSER TO SAID SECOND RELAY.
Claim 2
Dependent Claim
154 words
IN A CIRCUIT FOR OPERATING A SURGICAL NEEDLE OR INSTRUMENT IN WHICH AN AC CURRENT IS RECTIFIED TO DC, OSCILLATED, AND THEN FIRED THROUGH THE SURGICAL NEEDLE OR INSTRUMENT, A CONTROL CIRCUIT COMPRISING MEANS FOR APPLYING AN AC FIELD TO A HUMAN BODY, MEANS FOR PICKING UP AN AC SIGNAL WHEN THE SURGICAL NEEDLE OR INSTRUMENT CONTACT THE HUMAN BODY, A RELAY, MEANS FOR ENERGIZING SAID RELAY, MEANS OPERABLE BY SAID AC SIGNAL FOR ACTIVATING SAID ENERGIZING MEANS, AND A SWITCH OPERABLE BY SAID RELAY FOR INITIATING OPERATION OF THE OPERATING CIRCUIT WHEN SAID RELAY IS ENERGIZED, A CONDENSER ON CHARGE, A SECOND RELAY, SAID SWITCH CONNECTING SAID CONDENSER TO SAID SECOND RELAY, A SECOND SWITCH, SAID SECOND RELAY OPERATING SAID SECOND SWITCH TO CONNECT THE CURRENT TO THE OPERATING CIRCUIT DURING THE DISCHARGE OF SAID CONDENSER, SAID CONDENSER BEING DISCHARGED WHEN SAID SWITCH IS OPERATED TO CONNECT SAID CONDENSER TO SAID SECOND RELAY.
References Cited (Backward Citations)
US2238344A
Cited
US2622200A
Cited
US2827056A
Cited
GB897961A
Cited
FR1275415A
Cited
DE1139927B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |