Methods and systems for treating obstructions in a body lumen

Details Methods and systems for treating obstructions in a body lumen Methods and systems for treating obstructions in a body lumen

1997-11-07

2000-12-05

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

128898, A61B 1722

Patent

active

061560464

ABSTRACT:
A system is provided having a catheter, a torque member extending longitudinally through a lumen of the catheter, a removal mechanism secured to a distal end of the torque member, and a guidewire having a guide section that extends through a lumen of the removal mechanism. The guide section defines a curved profile that is diametrically larger than the dimension of the removal mechanism. The guide section of the guidewire is adapted to be positioned inside a passageway of the occluding material, and provides a curved path along which the removal mechanism can be advanced inside the passageway of the occluding material to separate and remove occluding material.

REFERENCES:
patent: 5143085 (1992-09-01), Wilson
patent: 5632755 (1997-05-01), Nordgren et al.
patent: 5876414 (1999-03-01), Straub
patent: 5879361 (1999-03-01), Nash

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