Patent ID: 9089406
Filing Date: 2015-07-28
Classification: A61F

Abstract:
1. An embolic filter device configured for placement in a blood vessel to capture emboli during a medical procedure, said embolic filter device comprising: an expandable frame member including a radial support member operably connected to first and second longitudinal struts and an engaging portion extending between said first and second longitudinal struts, said engaging portion being shaped and configured to temporarily receive, and sealingly mate with, a portion of an endovascular catheter during the medical procedure; a membrane securely connected to said frame member and defining a collection chamber for captured emboli, said membrane being configured to cover substantially all of the cross-sectional area of the blood vessel when said embolic filter device is deployed in the blood vessel; and a deployable snare mechanism configured to capture the endovascular catheter and selectively mate a portion of the endovascular catheter with said engaging portion, said deployable snare mechanism comprising a lasso portion configured to selectively engage and constrict about an outer surface of the endovascular catheter; wherein constriction of said lasso portion causes said lasso portion to twist and cinch about the outer surface of the endovascular catheter such that said engaging portion sealingly mates with the endovascular catheter.