Apparatus and method for cleaning diseased vein grafts

Details Apparatus and method for cleaning diseased vein grafts Apparatus and method for cleaning diseased vein grafts

1997-11-12

1999-09-07

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606170, 606113, 606200, 604 22, 604 43, 604101, 604102, A61B 1722

Patent

active

059479850

ABSTRACT:
Apparatus for cleaning a vessel having a stenosis therein comprising first and second balloon catheters. Balloons are disposed on opposite sides of the stenosis in the vessel and form a closed chamber in the vessel. A therapeutic catheter having a distal extremity is disposed in the chamber. Irrigation liquid is supplied to the chamber and liquid is aspirated from the chamber to form an aspirate. The distal extremity of the therapeutic catheter is moved to cause the material forming the stenosis to be removed from the wall of the vessel and to be broken into particles which are removed with the aspirate.

REFERENCES:
patent: 4706671 (1987-11-01), Weinrib
patent: 5255679 (1993-10-01), Imran
patent: 5462529 (1995-10-01), Simpson et al.
patent: 5702413 (1997-12-01), Lafontaine
patent: 5728123 (1998-03-01), Lemelson et al.
patent: 5782848 (1998-07-01), Kennox

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