Patent ID: 9649097
Date: 2017-05-16
CPC Classifications: A61B

Claim:
1. Occluder for occluding a passage in a circulatory system, the occluder comprising at least one occluding body for occluding the passage, an expanding unit comprising at least one fixation structure for fixing the occluding body within the passage, wherein at least a part of the expanding unit is expanding so as to form said fixation structure thereby expanding the occluding body, and a locking unit for locking the expanding unit in its expanded state, the locking unit having a first element and a second element, wherein the occluder comprises a protecting jacket which envelops at least a part of said expanding unit, wherein the first and second elements of the locking unit can be brought in locking engagement with each other when the occluding body is expanded, wherein the expanding unit comprises a plurality of elongate members with first and second ends each, wherein the first end of each elongate member is attached to the first element of the locking unit and the second end of each elongate member is attached to the second element of the locking unit, wherein the elongate members can be twisted to form the at least one fixation structure, wherein the at least one occluding body is a flexible sheet, wherein the at least one occluding body comprises on its circumference holes which are penetrated by the elongate members, and wherein the expanding unit is movable relative to the protecting jacket.