Patent ID: 8961556
Filing Date: 2015-02-24
Classification: A61B

Abstract:
1. A collapsible medical device comprising: a tubular metal fabric including a plurality of braided metal strands and defining a proximal end and a distal end, the tubular metal fabric having a collapsed configuration for delivery through a channel in a patient's body and an expanded configuration for substantially creating an occlusion of an opening in the patient's body, wherein, in the expanded configuration, the tubular metal fabric defines a first portion having a first diameter proximate the proximal end, a second portion having a second diameter proximate the distal end, and a third portion having a third diameter extending between the first portion and the second portion, wherein the third diameter is less than the second diameter and the second diameter is less than the first diameter, wherein the second portion has a preset, cylindrical shape that is configured to be deployed within the opening to be occluded and to maintain a tension between the first portion and the second portion when the medical device is positioned within the patient's body.