Elbow joint prosthesis

An elbow joint and prosthesis technology, which is applied in the field of medical devices, can solve the problem that the relative positions of the humerus component and the ulna component are not easy to adjust, and achieve the effects of improving biocompatibility, facilitating movement and long service life
CN110538007APending Publication Date: 2019-12-06BEIJING AKEC MEDICAL
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
BEIJING AKEC MEDICAL
Publication Date
2019-12-06

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Abstract

The invention provides an elbow joint prosthesis. A connecting component, a humerus component, an ulna component and a radius component are arranged in the elbow joint prosthesis, wherein the humeruscomponent comprises a humerus handle and a humerus head arranged at one end of the humerus handle, the humerus head is connected with the connecting component in a position-adjustable mode, and the humerus head can swing relative to the connecting component along a first axis to conduct position adjustment; the ulna component comprises an ulna handle and an ulna head arranged at one end of the ulna handle, the ulna head is arranged on the connecting component in a swinging mode, the ulna head can swing relative to the connecting component along a second axis, and the second axis is perpendicular to the first axis; and the radius component is arranged on the connecting component and can move within a preset range relative to the connecting component. By adopting the technical scheme, the angle of the humerus component and the angle of the ulna component can be adjusted in two different directions so as to meet the use requirements of different patients. The arrangement of the radius component facilitates movement of a patient and can avoid damage caused by an overlarge movement range.
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Description

technical field

[0001] The invention relates to the technical field of medical devices, in particular to an elbow joint prosthesis. Background technique

[0002] When the elbow joint is damaged due to rheumatism, deformed joint, or trauma, the function of the elbow joint is lost and severe pain is felt. In such cases, an artificial elbow replacement surgery is required in order to restore the function of the elbow joint. For example, during total elbow replacement surgery, the surgeon implants a prosthetic humeral component in the distal end of the patient's humerus and implants a prosthetic ulnar component in the proximal end of the patient's ulna. The relative positions of the humerus component and the ulnar component in the existing elbow joint prosthesis are not easy to adjust, have poor versatility, and cannot meet the needs of patients. Contents of the invention

[0003] The invention provides an elbow joint prosthesis to solve the problem in the prior art that the...

Claims

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