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Prosthetic augments to improve muscle mechanics

A prosthesis and muscle technology, applied in the field of prosthesis extensions to improve muscle mechanics, can solve problems such as unfavorable rehabilitation of patients, achieve the effect of restoring joint stability and improving deltoid muscle strength

Inactive Publication Date: 2016-09-28
马修汉森
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These elevated loads and torques can have detrimental effects on patient rehabilitation, muscle fatigue, stress fractures and prosthetic fixation

Method used

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  • Prosthetic augments to improve muscle mechanics
  • Prosthetic augments to improve muscle mechanics
  • Prosthetic augments to improve muscle mechanics

Examples

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Embodiment Construction

[0062] Detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely illustrative of the invention that may be embodied in various forms. Moreover, each example given in conjunction with various embodiments of the invention is intended to be illustrative, not restrictive. Furthermore, the figures 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 figures are naturally 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 teaching one skilled in the art to variously employ the present invention.

[0063] Loss of muscle function associated with arthroplasty is a complex issue. In the shoulder, prosthesis design parameters can alter the tens...

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Abstract

Prosthetic augments to improve muscle mechanics are disclosed herein. A prosthetic augment of the present disclosure includes an augment member configured to engage a bone, the augment member having a first face adapted for contacting the bone; and a second face adapted for contacting an underside of a muscle, wherein at least a portion of the second face includes a bulbous surface adapted to alter a wrapping angle of the muscle around the bone, wherein a first thickness is defined between the first face and the second face at a first position on the augment member, wherein a second thickness is defined between the first face and the bulbous surface of the second face, and wherein the first thickness and the second thickness are not equivalent so as to result in the augment member having a non-uniform thickness.

Description

[0001] related application [0002] This application claims the benefit and priority of US Patent Provisional Application Serial No. 61 / 882,806, filed September 26, 2013, which is hereby incorporated by reference in its entirety. Background technique [0003] Muscles generate a linear force that is transformed into a torque proportional to their perpendicular distance between the joint's center of rotation (CoR) and the muscle's line of action. This vertical distance is known as the muscle's moment arm; thus, a 50% larger moment arm means that a particular muscle requires 50% less force to produce a given torque / motion. The position of the moment arm relative to the joint's center of rotation determines the type of motion the muscle will produce. In the shoulder, these movements are abduction / adduction (in the scapular / coronal plane and / or in the transverse plane), internal / external rotation (rotation of the long axis of the humerus), and flexion / extension (in the sagittal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/56A61F2/30A61F2/40
CPCA61F2/30739A61B17/56A61F2002/4022A61F2002/4066A61F2220/0008A61F2/08A61F2/0811
Inventor 马修·汉森克里斯托弗·P·罗奇
Owner 马修汉森
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