Patent ID: 8241339
Filing Date: 2012-08-14
Classification: A61B

Abstract:
1. An anchor assembly for fastening an orthopedic device to bone tissue, comprising: an anchor comprising a head portion having at least one resilient element at least partially defining an opening, a shank portion for engaging the bone tissue, and a neck portion for connecting the head portion and the shank portion, and a locking mechanism having a head member and a shaft member, the locking mechanism received in the opening, and wherein the shaft member includes a hollow portion to allow at least a portion of the shaft member to flex, wherein the locking mechanism is slideably movable in the opening from a first position to a second position, and wherein in the first position, the shaft member is received in the opening and in the second position, the head member and the shaft member are received in the opening, preventing the at least one resilient element from flexing inwardly, wherein at least a portion of the shaft member of the locking mechanism includes a diameter larger than a diameter of the opening of the anchor to cause the shaft member to flex radially inwards, in relation to a longitudinal axis of the locking mechanism, when the locking mechanism is moved from the first position to the second position.