Atherectomy system with a clutch

Details Atherectomy system with a clutch Atherectomy system with a clutch

1989-03-13

1991-03-26

Hafer, Robert A.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606170, 604 22, A61B 1720

Patent

active

050025538

ABSTRACT:
An atherectomy system for cutting an obstruction in a patient's vessel, comprising a flexible guide-wire insertable into the vessel, a flexible rotary-catheter being rotatably disposed and insertable into the vessel, over the flexible guide-wire, a cutting means for cutting the obstruction, at a distal end of the flexible rotaty-catheter, coupling means at the proximal end of the flexible rotary-catheter for engaging a drive means and at least one torque limiting clutch interposed between the drive means and the cutting means, limiting the torque transmitted distally.

REFERENCES:
patent: 4728319 (1988-03-01), Masch
patent: 4883458 (1989-11-01), Shiber

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