Patent ID: 9486303
Filing Date: 2016-11-08
CPC Classification: A61F

Claim Text:
1. A system for retrieving a medical device from a blood vessel, the system comprising: a balloon catheter having a proximal end and a distal end and an inflatable balloon portion disposed at the distal end; an elongate retrieval device extending along the balloon catheter, the retrieval device comprising a first elongate support rod having proximal and distal ends, a second elongate support rod having proximal and distal ends, and a helix extending between the distal ends of the first and second support rods, wherein the helix wraps circumferentially surrounding at least a portion of the balloon catheter; wherein the elongate retrieval device has a first condition, with the distal end of the second support rod being disposed proximally from the distal end of the first support rod, and the helix extending between the distal ends has a first width; and wherein the elongate retrieval device has a second condition, with the distal end of the second support rod being disposed distally relative to the first configuration and the helix extending between the distal ends of the first and second support rods has a second width that is greater than the first width.