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US3301258A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for treating varicose veins

Assignee: Medtronic Inc
•
Filing: 1963-10-03
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Granted: 1967-01-31
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Expires: 1983-10-03
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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

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