Catheter with bristles

Details Catheter with bristles Catheter with bristles

1997-06-27

1999-04-20

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

A61B 1700

Patent

active

058954007

ABSTRACT:
A system and method removes material from the wall of a passage, such as a vein or artery, in a patient's body with a series of bristles that are rotated. The bristles are part of a sweep catheter having a proximal end and a distal end with a tip thereon. Bristles next to the tip extend out from the distal end a shorter distance than the bristles further from the tip. The bristles, which have smaller bristles or sub-bristles thereon, are inclined away from the tip as they extend out from the distal end of the sweep catheter. The bristles push removed materials away from the tip and towards a suction channel of a guide catheter whereby the materials are removed.

REFERENCES:
patent: 4445509 (1984-05-01), Auth
patent: 4646736 (1987-03-01), Auth
patent: 4850957 (1989-07-01), Summers
patent: 4867156 (1989-09-01), Stack et al.
patent: 4990134 (1991-02-01), Auth
patent: 5009659 (1991-04-01), Hamlin et al.
patent: 5059211 (1991-10-01), Stack et al.
patent: 5303719 (1994-04-01), Wilk et al.
patent: 5306286 (1994-04-01), Stack et al.
patent: 5314407 (1994-05-01), Auth et al.
patent: 5364393 (1994-11-01), Auth et al.
patent: 5370653 (1994-12-01), Cragg
patent: 5681335 (1997-10-01), Serra et al.

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