CPC A61B 17/12181 (2013.01) [A61B 17/1215 (2013.01); A61B 17/12122 (2013.01); A61B 17/12145 (2013.01); A61B 17/12159 (2013.01); A61B 17/12172 (2013.01); A61B 17/12177 (2013.01); A61B 17/00491 (2013.01); A61B 17/12136 (2013.01); A61B 2017/00495 (2013.01); A61B 2017/1205 (2013.01); A61B 2017/22038 (2013.01); A61B 2017/22048 (2013.01); A61B 2090/064 (2016.02)] | 16 Claims |
1. A left atrial appendage occlusion device, comprising:
an expandable body having an open cell foam proximal, occlusive end for facing a left atrium following implantation of the device in a left atrial appendage, a distal end for facing into the left atrial appendage following implantation of the device in the left atrial appendage, and a cylindrical open cell foam sidewall, wherein the distal end of the expandable body comprises a distal opening for facing into the left atrial appendage following implantation and the open cell foam sidewall forms the distal opening;
a self-expandable stent carried within the expandable body wherein the foam sidewall extends distally linearly beyond the stent at least in a deployed configuration such that following implantation the foam sidewall forms a distal-most end of the device and provides a cushion between the stent and the left atrial appendage, the stent comprising a proximal end positioned within the expandable body distal to the proximal, occlusive end of the expandable body and a plurality of zig-zag struts defining a plurality of apexes including a plurality of distal apexes formed by vertices of adjacent pairs of the zig-zag struts at a distal-most end of the stent; and
a thromboresistent covering on at least a portion of the expandable body.
|