Patent ID: 9381286
Filing Date: 2016-07-05
CPC Classification: A61B,A61M

Claim Text:
1. An apparatus for attaching a counter pulsation device (CPD) to a blood vessel in a human or animal subject, the apparatus comprising: an interposition graft having a first end configured to be attached to the blood vessel, a second end, and an interior passage providing fluid connection between the first end and the second end; and a pump graft having first end attached to the second end of the interposition graft, a second end configured to be attached to the CPD, and an interior passage providing fluid connection between the first end and the second end; wherein: the interior passage of the interposition graft comprises a rough surface configured to promote biological growth on the rough surface; the interior passage of the pump graft comprises a smooth surface configured to inhibit biological growth on the smooth surface; the interposition graft is shaped to prevent contact between the rough surface and the smooth surface to inhibit biological growth from the rough surface onto the smooth surface; and the second end of the interposition graft comprises a first sewing ring, and the first end of the pump graft comprises a second sewing ring, and wherein the first and second sewing rings are configured to be attached to each other.