Dual slide cutting guide

• US 5,653,714 A
• Filed: 02/22/1996
• Issued: 08/05/1997
• Est. Priority Date: 02/22/1996
• Status: Expired due to Term

• Current Assignee: Zimmer Technology Incorporated (Zimmer Biomet Holdings, Inc.)
• Original Assignee: Zimmer Incorporated (Zimmer Biomet Holdings, Inc.)
• Inventors: Dietz, Terry L., Vanlaningham, Richard D.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): REIP, DAVID OWEN
• Application Number:
  US08/605,403
• Time in Patent Office: 530 Days
• Field of Search: 606/79, 606/80, 606/86, 606/87, 606/88, 606/89, 606/96, 606/97, 606/98
• US Class Current: 606/87
• CPC Class Codes: A61B 17/155 Cutting femur
• CPC Class Codes: A61B 17/1675 for the knee
• CPC Class Codes: A61B 17/1764 for the knee
• CPC Class Codes: A61B 2017/1602 Mills

Abstract

The guide of this invention provides an alternative to a system requiring a plurality of guides or for a guide with a plurality of slots by providing a single guide which slides along the distal femur and which articulates to accommodate a variety of angles. The guide includes a base portion defining a pair of parallel rails having a dove-tail shaped groove formed therein. The base is fixed to the distal end of the femur after an initial cut has been made to flatten the distal end. The device further includes an upper frame which is carried by the base and slides along the rails. The upper frame pivotally supports a carriage assembly in a plurality of discrete angles as determined by detents. The carriage includes a pair of parallel rods which extend in a direction transverse to the parallel rails of the base portion. In the preferred embodiment, the parallel rods support a milling guide which is slidable along the rods. The milling guide is configured to accommodate an elongated milling burr extending therethrough for removal of a portion of the patient'"'"'s bone.

Claims

1. A device for guiding a resection device across a bone to resect a portion of the bone, the device comprising a base, a slide assembly carried by the base and shiftable relative thereto in a first direction, a guide carried by the slide assembly and rotatable relative thereto, said guide configured to accommodate a resection device, said guide being shiftable relative to said slide assembly and base in a second direction, wherein said slide assembly includes a frame which slidably engages the base, an inner frame having a pair of spaced rods supporting said guide, said frame being rotationally connected to the frame so that the side can be rotated relative to said frame, said guide being slidable along said rods relative to said frame.

2. The device of claim 1 wherein said second direction is substantially perpendicular to said first direction.

3. The device of claim 1 wherein said base and frame include cooperating grooves and rails.

4. A device for guiding a resection device along the surface of a bone to shape bone to accommodate a prosthetic implant, the device including a base for contact with said bone and securement thereto, said base being generally rectangular wherein a groove is formed in two opposite side walls, a slide assembly is carried by the base, the slide assembly is substantially rectangular defining an open interior and includes a pair of rails extending from a pair of opposite side walls, the rails being accommodated within the grooves of the base, the slide assembly being shiftable along the grooves of the base, the slide assembly further including an inner frame positioned within the open interior of the slide assembly and being rotatably connected to the slide assembly, the inner frame including a pair of parallel rods and a guide carried by the rods, the guide being configured to accommodate a resection device and is slidable along the rods, wherein the slide assembly slides relative to the base in a first direction and the guide is slidable along the rods in a second direction, the first direction and second direction are substantially perpendicular to one another.