Patent ID: 7785331
Filing Date: 2010-08-31
Classification: A61F

Abstract:
1. An extraction device for removing a liner from an acetabular cup, said extraction device comprising: a jaw for cooperation with the liner, said jaw being sized and shaped to fit inside the liner and including at least two movable jaw segments, each of at least two jaw segments including at least one pointed tooth for penetrating into an inner periphery of the liner; a handle operably associated with said jaw, said handle having a longitudinal axis, said handle adapted to allow a user to grip the extraction device; a frame for supporting the handle, at least a portion of the frame cooperating with an acetabular cup; and an actuator operably associated with said jaw and with said handle, actuator having a tapered component that is coupled to the handle such that when the handle is moved along its longitudinal axis the tapered component also moves along the longitudinal axis, said tapered component engaging said at least two moveable jaw segments such that as said handle and said tapered component move along the longitudinal axis, the moveable jaw segments are moved relative to one another; wherein said handle defines an aperture therethrough, the aperture defining a longitudinal axis thereof; and wherein said actuator comprises a portion thereof moveably positioned in the aperture.