Patent ID: 7879042
Filing Date: 2011-02-01
Classification: A61F

Abstract:
1. An instrument for use in removal of a prosthetic implant for use performing arthroplasty, comprising: a body; a first member connected to said body, said first member including a gripping contact portion for gripping engagement with an inner lip of the implant at a first position; a second member connected to said body, said second member being moveable with respect to said first member, said second member including a first gripping contact portion for gripping engagement with an inner lip of the implant at a second position, spaced from the first position, the gripping contact portions of the first and second members include a tine for gripping the inner lip of the implant; and an urging member for urging the contact portion of said first member toward the contact portion of said second member, wherein the urging member includes a first linking member pivotally coupled to the body and the first member, a second linking member pivotally coupled to the body and the second member, a third linking member coupled to the first and second linking members, and a shaft having a longitudinal axis and coupled to the third linking member, such that as the shaft is moved along the longitudinal axis, the first and second linking members pivot relative to the body, thereby causing the first and second members to pivot relative to the body; wherein at least one of the contact portion of said first member and contact portion of said second member is generally fork shaped having two spaced apart tines.