Patent ID: 8414530

Claim:
A vascular access device comprising: a thin polymer patch configured to be attached to a wall of an artery, a vein, or an AV fistula; and a main body including a first end and a second end and having an inner surface defining an oblique conical cavity extending between openings at the first and second ends along an oblique axis, wherein the first end of the main body is connected to the polymer patch, wherein the oblique conical cavity has an apex and tapers between the second end and the first end along the oblique axis, such that the apex of the oblique conical cavity is adjacent to the first end of the main body, and wherein, when the vascular access device is implanted in a patient and a dialysis needle is received in the cavity, the needle is guided by the inner surface toward and through the wall of the artery, vein, or AV fistula.