Patent ID: 9687240
Date: 2017-06-27
CPC Classifications: A61B,A61M

Claim:
1. A device for facilitating side-to-side arteriovenous fistula comprising: a first device half having a first proximal end and a first distal end, the first device half comprising a first inner surface and a first outer surface opposite the first inner surface, the first device half having a first anastomosis window formed therethrough defining a first arch and a second arch opposite the first arch; a second device half having a second proximal end and a second distal end, the second device half comprising a second inner surface and a second outer surface opposite the second inner surface, the second device half having a second anastomosis window formed therethrough defining a third arch and a fourth arch opposite the third arch; and a connecting tube having a first end and a second end opposite the first end, the connecting tube having a lumen formed through the first end and second along a longitudinal axis of the connecting tube, the first end being connected to the first inner surface of the first device half at the first anastomosis window, the second end being connected to the second inner surface of the second device half at the second anastomosis window so that the first anastomosis window is in fluid connection with the second anastomosis window, the connecting tube comprising a circumferential surface having a first area and a second area opposite the first area, the first area being between the first and the third arches, the second area being between the second and the fourth arches, the first area having a plurality of first barbs disposed thereon and arranged in a first pair of rows spaced apart oppositely from each other and substantially normal to the longitudinal axis, the first barbs extending inwardly, and the second area having a plurality of second barbs disposed thereon and arranged in a second pair of rows spaced apart oppositely from each other and substantially normal to the longitudinal axis, the second barbs extending inwardly.