Patent ID: 8070769
Filing Date: 2011-12-06
Classification: A61F

Abstract:
1. An embolic protection filter comprising: a filter frame including a proximal tubular member and a distal tubular member disposed about a guidewire; wherein the distal tubular member is slidable about the guidewire; a support hoop coupled to a plurality of expandable struts, said plurality of expandable struts biased to expand in an outward direction within a body lumen; and an inverted membrane attached at a first end to the support hoop and at a second end to the proximal tubular member, said inverted membrane having a proximally tapered proximal section and an enlarged diameter distal section, the junction between the enlarged diameter distal section and the proximally tapered proximal section forming a folded or creased portion wherein a length of the inverted membrane folds back and extends outwardly from the enlarged diameter distal section and proximally terminating at the support hoop; wherein the proximally tapered proximal section of the inverted membrane is attached to the proximal tubular member and extends through the support hoop to the folded or creased portion.