Platform rtsa glenoid prosthesis with modular attachments capable of improving initial fixation, fracture reconstructions, and joint biomechanics

A glenoid and prosthetic technology, applied in the direction of joint implants, joint implants, prostheses, etc., can solve problems such as looseness and insufficient aseptic glenoid

Inactive Publication Date: 2019-08-13
EXACTECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the inverted glenoid component is cementless, aseptic glenoid loosening may occur due to insufficient initial fixation

Method used

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  • Platform rtsa glenoid prosthesis with modular attachments capable of improving initial fixation, fracture reconstructions, and joint biomechanics
  • Platform rtsa glenoid prosthesis with modular attachments capable of improving initial fixation, fracture reconstructions, and joint biomechanics
  • Platform rtsa glenoid prosthesis with modular attachments capable of improving initial fixation, fracture reconstructions, and joint biomechanics

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Embodiment Construction

[0044] The invention will be further explained with reference to the accompanying drawings, in which like structures are indicated by like numerals throughout the several views. The drawings shown are not necessarily to scale, emphasis instead generally being placed upon illustrating the principles of the invention. Additionally, some features may be exaggerated to show details of particular components.

[0045] The drawings constitute a part of this specification and include illustrative embodiments of the invention and illustrate various objects and features thereof. Furthermore, the drawings are not necessarily to scale and some features may be exaggerated to show details of particular components. Furthermore, any measurements, specifications, etc. shown in the figures are intended to be illustrative and not limiting. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teach...

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Abstract

In some embodiments, the present invention provides a reverse shoulder glenoid prosthesis which supports the attachment of multiple different types of modular attachments that can: 1) provide additional scapular fixation (ie external to the glenoid) in order to improve glenoid implant fixation in cases of severe bone loss / fracture, 2) provide joint line lateralization to improve tissue stability in cases of severe glenoid / scapula bone loss, 3) facilitate use and containment of glenoid bone graft in cases of severe glenoid / scapula bone loss - particularly in those cases in which the glenoid defect is uncontained / peripheral 4) achieve glenoid fixation while at the same time reconstructing the scapular bone in cases of scapula fractures, glenoid fractures, and / or acromial fractures, and 5) provide improved rTSA joint biomechanics, particularly posterior rotator cuff efficiency by changing the line of action of the infraspinatus and teres minor muscles to improve their muscle tension, andalso increase each muscle's external rotation and abduction moment arm lengths.

Description

[0001] Cross References to Related Applications [0002] This is an International (PCT) application relating to and claiming the jointly owned, co-pending title "Platform with Modular Accessories Capable of Improved Initial Fixation, Fracture Reconstruction, and Joint Biomechanics" filed on August 1, 2016 RTSA Glenoid Prosthesis," U.S. Provisional Patent Application No. 62 / 369,519, the contents of which are incorporated herein by reference in their entirety. technical field [0003] Various embodiments of the present invention relate to an apparatus and method for reverse shoulder arthroplasty (rTSA). In particular, various embodiments of the present invention relate to devices and methods for achieving fixation, stability, and function in the setting of severe glenoid wear and glenoid / scapular fractures. Background technique [0004] Short- and medium-term clinical outcome studies have reported aseptic glenoid loosening rates between 0 and 12% with modern reverse shoulder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/00A61B17/17A61B17/80A61B17/86A61F2/00A61F2/30A61F2/40
CPCA61B17/80A61B17/86A61F2002/30578A61F2002/4085A61F2/4081A61F2310/00359A61F2/30749A61F2/4612A61F2/4637A61F2002/4638
Inventor C·P·罗奇M·汉密尔顿P·迪普T·瓦纳斯C·盖多斯
Owner EXACTECH INC
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