Posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature

A knee and prosthesis technology, applied in prosthesis, knee joint, medical science, etc., can solve problems such as lack of joint stability and accelerated wear

Active Publication Date: 2010-03-17
DEPUY PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This paradoxical forward translation may result in loss of joint stability, accelerated wear, abnormal knee kinematics, and / or cause the patient to experience a sensation of instability during some activities

Method used

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  • Posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature
  • Posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature
  • Posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature

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Embodiment Construction

[0037] [0036] While the concept of the present disclosure is susceptible to various modifications and alternatives, specific exemplary embodiments thereof have been shown by way of example in the accompanying drawings and will be described in detail herein. It should be understood, however, that there is no intention to limit the concept of the present disclosure to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents and modifications falling within the spirit and scope of the invention as defined by the appended claims. Variations and alternative forms.

[0038] [0037] With reference to the orthopedic implants described herein and the patient's natural bone, terminology denoting anatomical references such as anterior, posterior, medial, lateral, superior, inferior, etc., may be used throughout this disclosure. Such terms have well-known meanings in both bone studies and orthopedics. The use of such anatomical referenc...

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Abstract

The invention relates to a posterior cructiate-retaining orthopaedic knee prosthesis having controlled condylar curvature. The orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature may be increased during mid-flexion.

Description

[0001] Cross-References to Related U.S. Patent Applications [0002] [0001] On June 30, 2008, the patent application number is No.XX / XXX, XXX, invented by Joseph G.Wyss, the U.S. patent application named "Posterior Stabilized Orthopaedic Prosthesis Having Controlled Condylar Curvature"; 2008 The U.S. patent application for "Orthopedic Femoral Component Having Controlled Condylar Curvature" filed on June 30, 2008 with the patent application number No. XX / XXX, XXX invented by John L. Williams; No. XX / XXX, XXX, the U.S. patent application of the name "Posterior Stabilized Orthopedic Prosthesis" invented by Joseph G. Wyss; and the patent application No. filed on June 30, 2008, No. XX / XXX,XXX, US Provisional Patent Application entitled "Orthopaedic Knee Prosthesis Having Controlled Condylar Curvature" by Joseph G. Wyss, each of which is hereby incorporated by reference in its entirety. technical field [0003] [0002] The present invention relates generally to orthopedic prostheses...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38
CPCA61F2/38A61F2310/00179A61F2/3836A61F2/3868A61F2230/0006A61F2220/0033A61F2002/30116A61F2002/30332A61F2/3886A61F2/3859
Inventor C·M·沃纳D·索科洛夫J·S·李J·L·威廉斯S·T·戈马J·M·阿马科斯特
Owner DEPUY PROD INC
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