US3301258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating varicose veins
Assignee: Medtronic Inc
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Filing: 1963-10-03
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Granted: 1967-01-31
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Werner George
- 👤 Robert C Wingrove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B18/14; A61B18/1402; A61B2018/00636; A61B2018/0066
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
APPARATUS FOR TREATING VARICOSE VEINS IN AN ANIMATE BODY INCLUDING A SLENDER CYLINDRICAL PROBE OF A DIAMETER TO PASS THROUGH AN INCISION IN THE SKIN AND ALONG THE SUBCUTANEOUS LAYER OF AN ANIMATE BODY BETWEEN THE FASCIA AND THE SKIN, SAID PROBE HAVING A FIRST HOLLOW CYLINDRICAL ELECTRODE, A CYLINDRICAL INSULATOR CONCENTRIC WITH, OF THE SAME DIAMETER AS, AND EXTENDING FORWARDLY FROM SAID FIRST ELECTRODE, A SECOND CYLINDRICAL ELECTRODE CONCENTRIC WITH, OF THE SAME DIAMETER AS, AND EXTENDING FORWARDLY FROM SAID INSULATOR; A FIRST ELECTRICAL CONNECTION EXTENDING THE LENGTH OF SAID PROBE THROUGH SAID FIRST ELECTRODE IN INSULATED RELATION THERETO, THROUGH SAID INSULATOR AND INTO ELECTRICAL CONTACT WITH SAID SECOND ELECTRODE; MEANS FOR GENERATING HIGH FREQUENCY ELECTRICAL ENERGY; AND CIRCUIT MEANS FOR CONNECTING THE OUTPUT OF SAID GENERATING MEANS BETWEEN SAID FIRST ELECTRODE AND SAID FIRST ELECTRICAL CONNECTION.
References Cited (Backward Citations)
US2764928A
Cited
US2888928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |