Atherectomy catheter with aligned imager

Details Atherectomy catheter with aligned imager Atherectomy catheter with aligned imager

2006-02-14

2006-02-14

Truong, Kevin T. (Department: 3731)

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

Reexamination Certificate

active

06997934

ABSTRACT:
An atherectomy catheter is provided for excising and imaging material in a body lumen. In one embodiment, the catheter comprises a catheter body, a cutting blade, and an imaging device. The cutting blade is mounted on the catheter body and configured to move between a first position and a second position relative to an aperture or cutting window. When the cutting blade is in the second position, the blade substantially closes the aperture on the catheter body. The imaging device which is mounted on or otherwise coupled to the cutting blade is configured to be in an imaging position when the cutting blade substantially closes the aperture or cutter window. This allows the imaging device to survey material within the cutting zone of the atherectomy catheter. By allowing the imaging device to view materials within this cutting zone, material may be imaged and then removed from the body lumen without having to reposition the catheter between each step.

REFERENCES:
patent: 5569277 (1996-10-01), Evans et al.
patent: 6863676 (2005-03-01), Lee et al.

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