Rotational atherectomy device with radially expandable prime mov

Details Rotational atherectomy device with radially expandable prime mov Rotational atherectomy device with radially expandable prime mov

1997-10-27

2000-10-10

Dawson, Glenn K.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606180, 604 22, A61B 1722

Patent

active

061297348

ABSTRACT:
A rotatable atherectomy device having an exchangeable drive shaft cartridge and a rotatable prime mover coupling. The cartridge has a rotatable drive shaft socket carried by a carriage. The coupling radially expands during rotation such that it interlocks with the socket to drive a tissue removal implement on the end of a drive shaft attached to the cartridge. Upon slow or no rotation of the socket, the coupling disengages from the socket to allow for exchange of the cartridge.

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patent: 5501694 (1996-03-01), Ressemann et al.
patent: 5584843 (1996-12-01), Wulfman et al.
patent: 5681336 (1997-10-01), Clement et al.

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