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Patella resectioning guide and assembly

A technology of guide and patella, which can be used in surgical cutting instruments, medical science, surgical saws, etc., and can solve the problem of unequal patella

Inactive Publication Date: 2012-07-11
DEPUY PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, freehand cutting of the patella is not as accurate as guided resection

Method used

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  • Patella resectioning guide and assembly
  • Patella resectioning guide and assembly
  • Patella resectioning guide and assembly

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Embodiment Construction

[0060] While the inventive concept is susceptible to various modifications and alternative forms, specific exemplary embodiments thereof have been shown by way of example in the drawings and will be described in detail herein. It should be understood, however, that there is no intent to limit inventive concepts to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

[0061] Throughout this specification, terms denoting anatomical orientation, such as "anterior", "posterior", "inner" may be used when referring to orthopedic implants and the surgical instruments described herein, as well as to the patient's natural anatomy , "Outside", "Up", "Down" and so on. These terms have well-known meanings in both anatomy and plastic surgery. Use of these terms of anatomical orientation in the written description and claims is ...

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Abstract

The invention provides a patella resectioning assembly. The patella resection assembly comprises a patella resection guide and a stylus. The patella resection guide has bone-gripping members on two movable arms and a saw guide surface. The stylus is pivotably mounted to the arms of the resection guide and has a free end received in the slot in the resection guide. The arms of the patella resection guide can be moved to a variety of positions with different distances between the bone-gripping members while the stylus is in place.

Description

[0001] Cross references to related patent applications [0002] This patent claims priority to the following patent application: "PATELLA RESECTIONING GUIDE AND AS SEMBLY" filed September 24, 2010, to Maja Kecman, Kyle B. Thomas, Richard A. U.S. Provisional Patent Application No. 61 / 386,097 (Attorney Docket No. 6235 USPSP) for Resection Guide and Patella Resection Assembly). technical field [0003] The present disclosure relates generally to orthopedic surgical instruments and, more particularly, to patellar resection guides and styli. Background technique [0004] Arthroplasty is the well known surgical procedure for replacing a diseased and / or damaged natural joint with a prosthetic joint. A typical prosthetic knee joint includes a tibial tray, a femoral component, and a polymeric insert or liner disposed between the tibial tray and the femoral component. In some cases, the knee prosthesis may also include a patella prosthetic component that is secured to the posterior ...

Claims

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Application Information

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IPC IPC(8): A61B17/3205A61B17/32
CPCA61B17/158
Inventor M·克克曼K·B·托马斯R·A·哈特肖恩E·H·古德温
Owner DEPUY PROD INC
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