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Elbow replacement apparatus

An elbow and ankle technology, applied in the field of elbow replacement devices, can solve the problem of not allowing adjustment of soft tissue and the like

Active Publication Date: 2019-04-02
LIMA CORPORATE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, none of these devices allow intraoperative adjustment of soft tissue tension

Method used

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  • Elbow replacement apparatus
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Embodiment Construction

[0059] Reference will now be made in detail to various embodiments of the invention, one or more examples of which are illustrated in the various drawings. In the description of the various drawings described below, the same reference numerals denote the same components. Generally, only differences between the respective embodiments are described. Each example is provided by way of explanation of the invention, not limitation of the invention. For example, features illustrated or described as part of one embodiment can be used on or in conjunction with other embodiments to yield yet a further embodiment. The present invention is intended to cover such modifications and variations.

[0060] Apparatus and methods for total elbow arthroplasty as described herein that allow a surgeon to select articulating or unarticulated during surgery by utilizing a connection located on said body of said ulnar and / or humeral stem. restrictive. The elbow system can be a coupled or an uncoup...

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Abstract

An elbow prosthesis is provided and comprises: a humeral component (119) comprising condyle portions (118) having humeral bushings (103) suitable to receive a hinging axle (106) along a hinging axis (112); and an ulnar component (104) comprising an ulnar bearing (105) and an ulnar body (107) configured for reciprocal coupling in a coupled condition, the condyle portions (118) and the ulnar bearing(105) being configured for reciprocal articulation about the hinging axis (112) in an articulation condition; the ulnar bearing (105) comprising an ulnar hinging hole (145); the ulnar body (107) comprising an ulnar coupling hole (143) aligned to said ulnar hinging hole (145) along said hinging axis (112) in said coupled condition, said hinging axle (106) being fixedly attachable to said ulnar coupling hole (143), the ulnar coupling hole (143) and the ulnar hinging hole (145) being further aligned with said humeral bushings (103) along said hinging axis (112) in said articulation condition, for insertion of said hinging axle (106). The elbow prothesis can be used for total elbow replacement, and allows a surgeon to intraoperatively select a linked or unlinked constraint by utilizing a connection located on the body of the ulnar and / or humeral stem. Additional modularity also allows the selection of a cemented or cementless stem as described herein. The modularity and adjustability provides a number of advantages.

Description

technical field [0001] The present invention relates to prosthetic joints, and more particularly, to an elbow implant system having an articular surface designed so that when the joint undergoes varus / valgus When rotated, a contact point between multiple components is gradually moved outward, and also includes a modular structure that allows the surgeon to select a number of different components according to the specific application and / or observation components. Background technique [0002] To date, joint arthroplasty is one of the most successful treatments for relieving pain and restoring function in patients with arthritis and a variety of other destructive joint problems. Hip and knee replacements are common, with more than 500,000 hip and knee replacements performed in the United States each year. The popularity of hip and knee replacements has been determined by the efficacy and durability of these types of joint replacements. For example, primary total knee arthr...

Claims

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Application Information

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IPC IPC(8): A61F2/38A61F2/30
CPCA61F2/3804A61F2002/3809A61F2002/3813A61F2002/3831A61F2002/3822A61F2002/30604A61F2002/30606A61F2002/30286A61F2002/30345A61F2002/30624A61F2/384A61F2002/30331A61F2002/30383A61F2002/30387A61F2002/30405A61F2002/30492A61F2002/30738A61F2002/30934A61F2310/00011
Inventor 米歇尔·普瑞斯沙戈尼古拉·德尔尼戈安德里亚·法托里罗伯特·N·霍奇基斯马克·P·菲吉蒂莫西·M·赖特约瑟夫·D·利普曼德瑞克·罗
Owner LIMA CORPORATE SPA
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