Apparatus and method for engrafting a blood vessel

Details Apparatus and method for engrafting a blood vessel Apparatus and method for engrafting a blood vessel

1996-09-18

1998-02-03

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606198, A61M 2900

Patent

active

057139172

ABSTRACT:
An apparatus and method for engrafting a blood vessel are disclosed. The apparatus includes a tubular graft having radially compressible annular spring portions for biasing proximal and distal ends of the graft into conforming fixed engagement with an interior surface of the vessel, with bifurcated and adjustable length embodiments being disclosed. Apparatus for deploying the graft includes an insertion catheter having a nitinol core wire, a controllable tip balloon at a remote end thereof for dilation and occlusion of the vessel, and a controllable graft balloon in the vicinity of the tip balloon for fixedly seating the spring portions into conformance with the interior surface of the vessel. A spool apparatus for adjusting or removing an improperly placed graft, and a micro-emboli filter tube, are usable with the deployment apparatus. A method of percutaneously implanting a graft, including a single-entry method for percutaneously implanting a bifurcated graft, are also disclosed.

REFERENCES:
patent: 5342348 (1994-08-01), Kaplan
patent: 5618301 (1997-04-01), Hauenstein et al.

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