Intimal lining transition device and endarterectomy method
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Aug 13, 1996
filing date -
Aug 13, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device (24) for creating a smooth transition in the intimal lining (18) of a blood vessel (16) during an endarterectomy procedure on a patient (2) includes a delivery catheter (28) insertable into the blood vessel at an opening (8) in the blood vessel. An intimal lining cutter (38, 56) is disposed at the distal end (30) of the catheter. When in proper position, that is where the intimal lining separates from the vessel wall (20), the cutter is actuated to cut the intimal lining without leaving a flap of intimal lining within the blood vessel. The cutter can be of different types, including electrocautery coil (38) or a radially extending cutter blade (56). The invention is typically used with a ring stripper (14) and permits the endarterectomy to be performed using only a single incision into the vessel.
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