Surgery – Instruments – Blood vessel – duct or teat cutter – scrapper or abrader
Patent
1997-01-31
1998-07-14
Dawson, Glenn K.
Surgery
Instruments
Blood vessel, duct or teat cutter, scrapper or abrader
606180, A61B 1722
Patent
active
057797226
ABSTRACT:
An atherectomy device having a handle housing, a rotatable prime mover movable longitudinally with respect to the handle housing, a rotatable drive shaft having a proximal end connected to the prime mover for rotation and longitudinal movement therewith, and a distal end portion having a tissue removal implement usable to remove tissue from a bodily passageway. A guide wire clamp is disposed within the handle housing for releasably clamping the proximal portion of a guide wire. An override clamp is removably securable to the handle housing for moving the guide wire clamp to a guide wire-released position and for holding the guide wire clamp in such released position. The override clamp may also include a mechanical linkage to the prime mover so that the override clamp locks the prime mover in a particular longitudinal position with respect to the handle housing.
REFERENCES:
patent: 4990134 (1991-02-01), Auth
patent: 5314407 (1994-05-01), Auth et al.
patent: 5314438 (1994-05-01), Shturman
patent: 5490859 (1996-02-01), Mische et al.
patent: 5681336 (1997-10-01), Clement et al.
Morov Georgiy
Shturman Leonid
Dawson Glenn K.
Shturman Cardiology Systems, Inc.
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