Thrombectomy devices and methods of using same

Details Thrombectomy devices and methods of using same Thrombectomy devices and methods of using same

1993-07-13

1995-05-23

Pellegrino, Stephen C.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606171, A61B 1732, A61B 1722

Patent

active

054177030

ABSTRACT:
A novel intravascular device for removing vascular occlusion material comprises an elongate tube intravascularly insertable into a patient including a vascular occlusion removal element and a vascular lumen interior surface scouring element. The removal element comprises inner and outer respectively rotatable cutters which may be helical tubular cutters or cutting windows. The cutting windows may include cutting edges defining a substantially rectangular, arcuate or V-shaped configuration. The scouring element may be a flexible wire or a dilating member engageable with an interior surface of a vascular lumen. The scouring element may include a web member for collecting and funneling scoured material. A novel method for removing vascular occlusion material from a vascular lumen having an interior surface is also provided. The method comprises the steps of: providing an intravascular device having vascular occlusion removal means and vascular lumen scouring means; inserting the device intravascularly into a patient; positioning the device adjacent vascular occlusion material within the vascular lumen; energizing the removal means for removing vascular occlusion material from the vascular lumen; and energizing the scouring means for scouring the interior surface of the vascular lumen.

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