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WO1990007303A1 Expired / Lapsed WO ⏱️ 0.0 years remaining

Electrosurgical catheter for resolving atherosclerotic plaque

Assignee: Angioplasty Systems Inc
•
Filing: 1990-01-08
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Granted: —
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Expires: 2010-01-08
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Abstract

Abstract A method, and device utilized to practice it, for the resolution of tissue by radio frequency sparking. The device of the present invention having a distal end (20) which is insertable within and along the lumen of a tubular body member and manipulated therethrough to desired position where the device will be operated. The device comprises an elongated flexible hollow tube (12) having a distal end, a proximal end and a diameter smaller than the diameter of the tubular body member into which the device is being inserted; a passage (16) within the tube; a plurality of electrodes (14) adjacent the distal end of the device; and circuitry for selectively supplying radio frequency electrical current to at least one of said electrodes.

Inventors

  • 👤 Michael Janssen

Bibliographic Details

Application Number —
Jurisdiction WO
Data Source google_patents
Last Synchronized 2026-10-22 22:09
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B18/14; A61B18/1492; A61B18/1402; A61B17/00; A61B17/00234; A61B2017/00292; A61B2018/00315; A61B2018/00345; A61B2018/00351; A61B2018/00386; A61B2018/00636; A61B2018/0066; A61B2018/1213; A61B2018/1246; A61B2018/1253; A61B2018/126; A61B2018/1467; A61B2018/1497; A61B18/16; A61B2018/162; A61B90/00; A61B90/36; A61B90/37; A61B2090/378; A61B2090/3782

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US4532924A Cited
US4576177A Cited
US4682596A Cited
DE3516830A1 Cited
US4643186A Cited

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