Atherectomy device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Sep 21, 1998
filing date -
Sep 21, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An atherectomy device is provided wherein a catheter has a cutting region including plurality of slotted tubular members interconnected by flexible segments. Each slotted tubular member includes cutting edges that sever occlusive material from the interior of a vessel when the cutting region is rotated. The flexible segments may be formed by cutting windows in a tapered hollow tubular member, or may comprise bellows-shaped tubes or helical coils, and may be coated with a flexible material allowing suction to be drawn through the device, or to permit the delivery of contrast agents, dyes, fluids or drugs to the operative site. A guide catheter also may be provided for positioning the cutting region of the atherectomy device at the operative site.
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