Prosthesis with composite component

A technology of composite components and components, applied in prosthetics, medical science, knee joints, etc., can solve problems such as troublesome cutting and difficulty in removing the tibial tray

Inactive Publication Date: 2011-05-18
DEPUY PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The fact that bone also grows into the distal surface of the extension makes it more difficult to remove the tibial tray from the bone
Severing these connections is cumbersome as these areas are not easily accessible from the tibial plateau

Method used

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Embodiment Construction

[0056] The following U.S. patent application filed concurrently with this patent application is related to this patent application: "Prosthesis with Modular Extensions" by Daren L. Deffenbaugh and Anthony D. Zannis (DEP6035USCIP1, U.S. Provisional Patent Application No.61 / 256527); "Prosthesis For Cemented Fixation And Method Of Making The Prosthesis" submitted by Daren L.Deffenbaugh and Anthony D.Zannis (DEP6035USCIP2, U.S. Provisional Patent Application No. 61 / 256546); "Prosthesis With Cut-Off Pegs And Surgical Method" by Daren L. Deffenbaugh and Anthony D. Zannis (DEP6035USCIP3, U.S. Provisional Patent Application No. 61 / 256574); and " Prosthesis With Surfaces Having Different Textures And Method Of Making The Prosthesis" (DEP6089USCIP1, US Provisional Patent Application No. 61 / 256468). All of these patent applications are incorporated herein by reference in their entirety.

[0057] While the inventive concept is susceptible to various modifications and alternative forms, ...

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Abstract

A joint prosthesis with three components includes a first component, a composite component and a bearing component. The bearing can be mounted on and fixed to the composite component and has an articulation surface to articulate with an articulation surface of the first component. The composite component has an extension for stabilizing the component when implanted. The extension has an end opposite the bearing. The composite component includes a porous base or preform moulded to a solid polymer portion. The solid polymer portion engages the bearing component and extends into the extension and defines the end of the extension. The bearing is made of a different polymer. The composite component may be made by injection moulding.

Description

[0001] Cross references to related patent applications [0002] This patent claims priority to the following patent application: U.S. Provisional Patent, filed October 30, 2009, by Daren L. Deffenbaugh and Thomas E. Wogoman, entitled "PROSTHESIS WITH COMPONENT COMPONENTS" Application No. 61 / 256517 (Attorney Docket No. DEP6035USPSP3). This patent application is also a continuation-in-part of the following U.S. patent application, the disclosure of which is incorporated herein by reference in its entirety: Filed September 25, 2007, entitled "Fixed-Bearing Knee Prosthesis" Prosthesis) U.S. Patent Publication No. US20090082873 A1 (No. 11 / 860,833); filed on November 17, 2009, entitled "Fixed-Bearing Knee Prosthesis Having Interchangeable Components" (Fixed-Bearing Knee Prosthesis Having Interchangeable Components) U.S. Patent Publication No. US20100063594A1 (U.S. Patent Application No. 12 / 620034) bearing a knee prosthesis). technical field [0003] The present disclosure relates ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/30A61F2/38A61F2/42
CPCA61F2002/30878A61F2310/00023A61F2/38A61F2/4202A61F2002/30971A61F2240/001A61F2/389A61F2/30767A61F2002/3092A61F2/30965
Inventor D·L·德芬鲍夫T·E·沃戈曼
Owner DEPUY PROD INC
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