Patent ID: 8435256

Claim:
A catheter comprising: an elongated member configured to be advanced along a vascular path of a patient, the elongated member having opposite first and second ends and corresponding first and second end portions, the first end and second ends both being adapted for intravascular insertion, the elongated member having a length and the distance between the first and second ends being the entire length of the catheter, and the first end portion comprising a delivery sheath and the second end portion comprising a retrieval sheath, wherein the delivery sheath comprises first and second sidewall ports adapted for receiving wires, a distance from the first sidewall port to the first end being less than a distance from the second sidewall port to the first end, the elongated member further comprising a lumen between the first end of the elongated member and the first and second sidewall ports, the lumen having a first diameter at the first sidewall port and a second, reduced diameter at a point between the first and second sidewall ports.