Patent ID: 6355052
Filing Date: 2002-03-12
Classification: A61B

Abstract:
A device for closure of defect openings in a body, comprising:first means with which the device, in an implanted state, supports itself elastically against a margin of the opening which is to be closed and thereby centers itself approximately within the opening; and second means which, in the implanted state, bear with positive engagement on opposite sides of tissue surrounding the opening which is to be closed, wherein the device, in a first state, assumes an elongate shape with a high ratio of length to transverse extent, wherein in the implanted state the device has a shape with a lower ratio of length to transverse extent, and wherein the device is deformable and collapsible in a radial direction from the shape of its implanted state to the elongate shape of the first state by twisting the device about its axis into its collapsed state.