Patent ID: 8128677
Filing Date: 2012-03-06
Classification: A61F,A61L

Abstract:
1. A device for delivering an annular tack into a blood vessel for emplacement against plaque to press and hold it against the blood vessel walls, comprising: a catheter delivery tube having a delivery head, wherein the annular tack is to be made of a material having shape-memory and formed as a linear strip ribbon in its rest state and is capable of restoring to an annular shape when exposed to internal body temperature, wherein the delivery head of the catheter delivery tube has a plurality of barrels of a rotatable, multi-barreled tack magazine for loading a plurality of annular tacks therein in an array around the outer surface of the catheter delivery tube, and an internal pressure chamber for generating pressure for ejecting a ribbon strip from its barrel as it is moved by rotation of the magazine to bring each ribbon strip in turn to an ejector position in the delivery head.