Catheter apparatus and method using a shape-memory alloy cuff fo

Details Catheter apparatus and method using a shape-memory alloy cuff fo Catheter apparatus and method using a shape-memory alloy cuff fo

1996-08-23

1998-08-25

Hafer, Robert A.

Surgery

Instruments

Means for inserting or removing conduit within body

606185, 606195, 604164, 623 12, A61F 1100

Patent

active

057979200

ABSTRACT:
The present invention provides a catheter apparatus, an introducer system, and a methodology for creating a bypass on-demand between an unobstructed blood vessel such as the aorta and an obstructed blood vessel such as an obstructed coronary artery in-vivo using a shaped memory alloy cuff and a graft segment in tandem as a shunt. The invention allows the placement and creation of single or multiple bypass grafts without use of a heart-lung machine and without need for stopping the heart of the patient during the coronary artery bypass surgery.

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patent: 5332402 (1994-07-01), Teitelbaum
patent: 5431661 (1995-07-01), Koch
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patent: 5540713 (1996-07-01), Schnepp-Pesch et al.
patent: 5571167 (1996-11-01), Maginot
patent: 5571170 (1996-11-01), Palmaz et al.
patent: 5571173 (1996-11-01), Parodi

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