Intimal lining transition device and endarterectomy method

Details Intimal lining transition device and endarterectomy method Intimal lining transition device and endarterectomy method

1996-08-13

1998-10-13

Dawson, Glenn K.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

128898, 606 47, A61B 1722, A61B 1736, A61B 1900

Patent

active

058206299

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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G. Ho et al., "The mollring cutter.TM. remote endarterectomy: preliminary experience with a new endovascular technique for treatment of occlusive superficial femoral artery disease," Journal of Endovascular Surgery, 2(3) :278 (Aug., 1995).
H. Joosten et al., "The mollring cutter.TM. remote endarterectomy," Clinical Ischaemia, 6(1) :14 (in existence as of May 30, 1996).
Remote endarterectomy using the ring strip cutter technique (in existence as of May 31, 1996).

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