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Arthroplasty plate

A joint and shaping technology, applied in the field of convex joint surface, repairing humeral head fractures, and arthroplasty plates, can solve the problem of difficult to achieve fine control of the bearing head, and achieve the effect of easy revision surgery and reducing the amount of interruption

Active Publication Date: 2014-01-22
DEPUY (IRELAND) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it may be difficult to achieve fine-grained control over the position of the bearing head

Method used

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  • Arthroplasty plate

Examples

Experimental program
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Effect test

Embodiment Construction

[0033] First refer to figure 1 , which is a front view of an assembled arthroplasty plate for repairing a fractured proximal humerus according to an embodiment of the present invention. The arthroplasty comprises an anchoring plate 2 for attachment to the lateral outer portion of the patient's proximal humerus. Articulation component 4 replaces the native humeral head. Articulating component 4 includes a convex load bearing surface and is sized and shaped to articulate with a native glenoid surface or an implanted glenoid prosthesis to reconfigure the shoulder joint. The articulation member 4 is coupled to the fixation plate 2 by a connection assembly 6 positioned in a bore formed in the proximal humerus.

[0034] exist figure 2 The fastening plate 2 is shown in a perspective view. The fixation plate 2 comprises an elongated body portion 8 and a head portion 10 arranged to conform to the surface of the lateral humerus. The body portion 8 incorporates a plurality of screw...

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PUM

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Abstract

An arthroplasty plate and method of use to repair a fractured end of a bone are described. The arthroplasty plate comprises a fixation plate (2) arranged to be secured to a surface of a bone and a connector assembly (6) comprising a barrel (18) extending from the fixation plate and having a bore which opens through the fixation plate. A connector rod (22) is arranged to slide within the bore of the barrel. An articulation component (4) comprises a bearing surface coupled to or arranged to couple to an end of the connector rod which extends from the barrel away from the fixation plate. The connector assembly incorporates an adjustment mechanism (24) arranged to cause the connector rod to slide into or out of the barrel and a locking mechanism (26) arranged to lock the position of the connector rod within the barrel to rigidly space the articulation component apart from the fixation plate.

Description

technical field [0001] The present invention relates generally to plastic surgery. More specifically, the present invention relates to arthroplasty splints. In particular, the present invention relates to arthroplasty plates for repairing fractures of the ends of long bones comprising a convex articulating surface forming part of a ball and socket joint. The present invention is particularly suitable for repairing humeral head fractures, although it is not limited to this application. Background technique [0002] The natural shoulder joint can undergo degenerative changes for various reasons, such as arthritis. Alternatively, the shoulder joint may be fractured or otherwise damaged by external forces. When the shoulder joint is sufficiently degenerated or damaged, it may be necessary to replace the natural joint with a prosthetic shoulder joint. Traditional shoulder prostheses include a humeral prosthesis, optionally with a glenoid prosthesis. For total arthroplasty or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/40
CPCA61B17/74A61F2/3601A61F2/4003A61F2002/30367A61F2002/30403A61F2002/30433A61F2002/30507A61F2002/3055A61F2002/30601A61F2002/30604A61B17/68F04C2270/041A61F2/4014A61F2002/30553A61B17/8061
Inventor D.贝尔舒S.戈捷A.埃克伦
Owner DEPUY (IRELAND) LTD
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