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Mobile bearing assembly having a non-planar interface

A non-planar, component technology, applied in medical science, prosthesis, surgery, etc., can solve problems such as damage

Inactive Publication Date: 2008-11-12
DEPUY PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, when only one ankle (medial or lateral) of the knee is injured, unicompartmental knee arthroplasty may be required for patients experiencing very painful and / or disabling surgery of the joint as osteoarthritis, damaged by traumatic arthritis, rheumatoid arthritis, or as a result of a failed previous implant

Method used

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  • Mobile bearing assembly having a non-planar interface
  • Mobile bearing assembly having a non-planar interface
  • Mobile bearing assembly having a non-planar interface

Examples

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Embodiment Construction

[0062] While the inventive concept is susceptible to various modifications and alternative forms, specific exemplary embodiments thereof have been shown in the drawings by way of example and will be described in detail herein. It should be understood, however, that the intention is not to limit the concepts of the present disclosure 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 claims .

[0063] A number of different tibial component embodiments are described below. Illustratively, each tibial component is shown and described as a unicompartmental tibial component intended to replace only one of the two bearing surfaces of the patient's tibia. In this manner, the tibial component may be used by an orthopedic surgeon or other healthcare provider during the performance of a uni-ankle knee arthroplasty (UKA) procedure. It sh...

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Abstract

The invention relates to a mobile bearing assembly having a non-planar interface, specifically provides a unicompartmental mobile tibial assembly which includes a tibial tray and a tibial insert. The tibial tray includes an upper surface and a bottom surface configured to contact a portion of a surgically-prepared surface of the proximal end of a tibia. The tibial insert includes an upper bearing surface configured to contact a surgically-prepared surface of the distal end of a femur and a bottom bearing surface configured to contact the upper surface of the tibial tray when the tibial insert is coupled to the tibial tray. Any one or more of the upper surface of the tibial tray, the bottom surface of the tibial tray, and / or the bottom bearing surface of the tibial insert may be non-planar.

Description

[0001] This patent application claims priority to U.S. Provisional Patent Application Serial No. 60 / 909,259, filed March 30, 2007, by Jordan S. Lee et al., entitled "MOBLE BEARING ASEMBLY HAVING A NON-PLANAR INTERFACE" and equity. Cross References to Related Applications [0002] To the United States Invention Patent Application (265280-204350) filed by Jordan S.Lee et al. on March _, 2008, entitled "MOBLEBEARING ASEMBLY", serial number XX / XXX, XXX, by Jordan S.Lee et al. The United States Invention Patent Application (265280-201238) filed on March 30, 2007, entitled "MOBLEBEARING ASEMBLY HAVING OFFSET DWELL POINT", serial number 11 / 694,389, was filed by Joseph G. Wyss et al. in 2008 on 3 The U.S. Patent Application for Invention (265280-204351) with the serial number XX / XXX,XXX, filed on _day, entitled "MOBLE BEARING ASEMBLY HAVING A CLOSED TRACK", and by JordanS.Lee et al. in March 2008 _ Cross-referenced to United States Patent Application for Invention (265280-204352), ent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38A61F2/30A61B17/56
CPCA61F2002/30387A61F2002/30383A61F2/3872A61F2220/0025A61F2002/3895A61F2/3868
Inventor J·S·李J·M·罗德斯
Owner DEPUY PROD INC
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