Patent ID: 8870913
Filing Date: 2014-10-28
Classification: A61B

Abstract:
1. A collapsible medical device for occluding an aperture in a body, the medical device having a first configuration with a reduced profile and a second configuration with an expanded profile, the medical device having a proximal side and a distal side, the medical device being adapted to be delivered through a delivery system into a desired delivery location, the medical device comprising: an occluder portion movable from a reduced profile configuration to an expanded profile configuration, the occluder portion having a proximal end and a distal end, the occluder portion including an axial passage along the length of the occluder portion; and a catch member for holding the occluder portion in the expanded profile configuration, the catch member adapted to be disposed in the axial passage of the occluder portion, the catch member having a proximal end, a distal end, and an axial length between the proximal and distal ends, the distal end of the catch member being adapted to engage the distal end of the occluder portion, the proximal end of the catch member being adapted to engage the proximal end of the occluder portion in the expanded profile configuration; and a separate locking cap adapted to engage the proximal end of the occluder portion in the expanded profile configuration, wherein the locking cap has a proximal portion and a distal portion, and the distal portion of the locking cap includes first internal threads for threadably connecting to the proximal end of the occluder and the proximal end of the occluder includes external threads, and wherein a proximal portion of the locking cap includes second internal threads for threadably connecting to a delivery system.