US 2019/0336143 A1 · JOINT REVISION SURGERY APPARATUS

Abstract

The present application is directed a Joint Revision Surgery Apparatus which includes a blade guide block which has a plurality of blade guide slots and a central cavity. The blade guide block central cavity is positioned over the trunnion end of the existing prosthesis to be removed and secured to the prothesis. Straight, curved and compound curved knife blades are guided by the blade guide slots to cut the prothesis free. The securing of the guide blade block support apparatus against the femur is accomplished by the means of a T handle screw or eyebolt threading into one of the threaded orifice in the blade guide block frame. The guide blocks in varying sizes and configurations, straight and curved knifes blades and related accessories may be sold as a complete kit. The Joint Revision Surgery Apparatus facilitates rapid, efficient and complete removal of an existing prosthesis during joint revision surgery.

Claims20

Dependent claims

A joint revision surgery apparatus comprising:

(a) a blade guide block having a solid frame including one or more orifices therein;
(b) a plurality of blade guide slots extending through said blade guide block configured to accept the insertion of and to guide the motion of a plurality of knife blades;
and
(c) a centrally located cavity within said blade guide block configured to be placed over the trunnion end of an existing prosthesis implant;
wherein said blade guide block is placed over the trunnion end of an existing prosthesis implant and secured within said centrally located cavity, followed by the insertion and downward motion of a plurality of knife blades into said knife blade slots extending through said blade guide block to free the existing prothesis implant to facilitate removal of the existing prothesis implant during joint revision surgery.

2 more elements

A method of making a joint revision surgery apparatus comprising the steps of:

(a) providing a blade guide block having a solid frame including one or more orifices therein;
(b) providing a plurality of blade guide slots extending through said blade guide block configured to accept the insertion of and to guide the motion of a plurality of knife blades;
and
(c) providing a centrally located cavity within said blade guide block configured to be placed over the trunnion end of an existing prosthesis implant;
wherein said blade guide block is placed over the trunnion end of an existing prosthesis implant and secured within said centrally located cavity, followed by the insertion and downward motion of a plurality of knife blades into said knife blade slots extending through said blade guide block to free the existing prothesis implant to facilitate removal of the existing prothesis implant during joint revision surgery.

2 more elements

Dependencies are inferred from the claim text.

Joint revision surgery apparatus

Life of this patent

Joint revision surgery apparatus

Life of this patent

Abstract

Claims20