Atherectomy system with a biasing sleeve and method of using the

Details Atherectomy system with a biasing sleeve and method of using the Atherectomy system with a biasing sleeve and method of using the

1988-12-19

1990-01-16

Thaler, Michael H.

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

606159, A61B 1732

Patent

active

048940518

ABSTRACT:
An atherectomy system for removing an obstruction from within a patient's vessel, comprising a flexible guide-wire insertable into the vessel, a flexible catheter for coring and ingesting obstruction material, insertable into the vessel over the flexible guide-wire, the flexible catheter having a coring device at its distal end and coupling device for connecting it to a power source, at its proximal end, a sleeve in which the flexible catheter is slidably disposed, the sleeve having an elongated tongue extending from its distal end, the tongue defining inside the vessel an eccentrically biased trajectory for the coring device to move along.

REFERENCES:
patent: 4627436 (1986-12-01), Leckrone
patent: 4669469 (1987-06-01), Gifford et al.
patent: 4772258 (1988-09-01), Marangoni et al.
patent: 4781186 (1988-11-01), Simpson et al.
patent: 4794931 (1989-01-01), Yock

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