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Motion inducing reverse shoulder assembly

A movement and component technology, used in shoulder joint, medical science, prosthesis, etc.

Inactive Publication Date: 2014-08-06
EXACTECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patients receiving reverse shoulder prosthesis implants often have muscle deficits that prevent them from achieving internal or external rotation or more complex movements that require a combination of internal or external rotation and another type of motion

Method used

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  • Motion inducing reverse shoulder assembly
  • Motion inducing reverse shoulder assembly
  • Motion inducing reverse shoulder assembly

Examples

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Embodiment Construction

[0027] Detailed embodiments of the invention are disclosed herein. It should be understood, however, that the disclosed embodiments are merely illustrative of the invention that may be embodied in various forms. Furthermore, each example given in relation to various embodiments of the invention is by way of illustration, not limitation. In addition, the drawings are not necessarily to scale and some features may be exaggerated to show details of particular components (and any dimensions, materials and similar details shown in the drawings are of course illustrative and not limiting sexual). Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0028] As described herein, various embodiments of the present invention provide a motion inducing element (e.g., on the glenosphere and / or humeral liner) that whe...

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Abstract

One embodiment of the invention relates to a reverse shoulder assembly. Another embodiment of the invention relates to a method of using a reverse shoulder assembly. In one example, the reverse shoulder assembly of the present invention may be configured such that the reverse shoulder assembly changes the abduction force generated by the patient's deltoid muscle into a forward bending force. In one example, the reverse shoulder assembly of the present invention may be configured such that the reverse shoulder assembly changes the abduction force generated by the patient's deltoid muscle into an external rotation force. In one example, the reverse shoulder assembly of the present invention may be configured such that the reverse shoulder assembly changes the abduction force generated by the patient's deltoid muscle into external rotation and forward flexion.

Description

Background technique [0001] Reverse shoulder prostheses have been indicated for patients with nonfunctional rotator cuff, pain, secondary arthropathy, and pseudoparalysis. Patients receiving reverse shoulder prosthesis implants often have muscle deficits that prevent them from achieving internal or external rotation or more complex movements that require a combination of internal or external rotation and another type of motion. One such example is a clinical condition often referred to as "horn-blowing chirality" or "dropping sign," in which a defect in the external rotator muscle prevents the patient from turning the arm outward when the arm is raised. Rotates the arm and often causes the arm to fall into internal rotation as it is raised. External rotation is used for many activities in everyday life, including, but not limited to, eating and brushing teeth. Some of the external rotators in the shoulder are the posterior deltoid, infraspinatus, and teres minor—patients wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/40
CPCA61F2002/30901A61F2002/3065A61F2002/30934A61F2310/00029A61F2/40A61F2002/4085A61F2002/30662A61F2310/00023A61F2002/4022A61F2002/30902A61F2002/30654A61F2220/0041A61F2002/30433
Inventor 克里斯托弗·P·罗奇C·迈克尔·莫尔丁理查德·琼斯托马斯·赖特
Owner EXACTECH INC
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