Patent ID: 9682216
Date: 2017-06-20
CPC Classifications: A61B,A61F,A61M

Claim:
1. An anchor device to provide distal anchoring of a wire for use with catheter exchanges, the anchor device comprising: an anchor stent configured to engage an interior wall of a blood vessel or other lumen, the anchor stent formed from a plurality of wire elements, each wire element in the plurality of wire elements having a zig-zag pattern shape, wherein at least one end of a first wire element in the plurality of wire elements is attached to at least one end of a second wire element adjacent to the first wire element; a plurality of connector struts, each connector strut having a first end attached to one of the wire elements of the anchor stent, and an opposite second end coalescing to form a strut tip; and a guidewire permanently affixed to the anchor stent at the strut tip and configured to advance the anchor stent out the distal end of the catheter to allow the anchor stent to anchor the guidewire against the interior wall of the blood vessel or other lumen to exchange a plurality of catheters while the anchor stent is deployed.