Resecting coagulated tissue

Details Resecting coagulated tissue Resecting coagulated tissue

1996-09-03

1998-07-21

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

128756, 606170, 604 22, A61B 1722

Patent

active

057828482

ABSTRACT:
The invention relates to quickly and efficiently removing coagulated tissue within a body lumen without affecting the normal, healthy, untreated tissue, to minimize post-operative complications such as bleeding or edema formation. For example, in an aspect, the invention features a surgical resecting brush assembly. The assembly includes an elongated catheter sized and constructed for delivery through an extended body lumen to a site that is occluded with body matter that has been effected by heat treatment and a brush formation near the distal end of the catheter. The brush formation includes a bristle structure of sufficient stiffness to resect and remove the effected bodily matter without substantially damaging adjacent healthy tissue when the brush formation is actuated relative to the occluded site.

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Crispin, H. and Verhulst, A.; "Use of the Vascular Brush in Angioscopically-Assisted Endarterectomy"; International Congress VII: Endovascular Interventions (On the Cutting Edge); Feb., 1994.

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