Artificial shoulder joint prosthesis

Abstract

The invention relates to an artificial shoulder joint prosthesis. The artificial shoulder joint prosthesis comprises a humeral head (1) and a humeral handle (2), and is characterized in that a round hole (3) is arranged at the upper part of the humeral handle (2), wherein the lower handle body of the humeral handle (2) is composed of a body (4) and a coating layer (5) arranged at the outer layer of the body (4), and the coating layer (5) is made of a multi-level-hole material; through holes (6) are arranged in the handle body. The artificial shoulder joint prosthesis is reasonable in structural design, the selected materials are suitable and controllable and are uniform in height, after being implanted into the human body, the artificial shoulder joint prosthesis is high in connection stability and biocompatibility, and thus the postoperative quick recovery is facilitated.

Description

technical field [0001] The invention relates to human shoulder joint replacement technology, in particular to an artificial shoulder joint prosthesis. Background technique [0002] At present, the replacement of artificial shoulder prosthesis has been widely used clinically to treat diseases such as osteoarthritis of the shoulder joint and avascular necrosis of the humeral head. The existing artificial shoulder joint prosthesis has a variety of structural designs. In order to increase the connection stability of the structure itself, individual designs are particularly complicated and have many components, which is not conducive to efficient replacement surgery. At the same time, they also have defects such as low stability of connection with human tissue and poor biocompatibility, which can easily lead to poor fixation effect after replacement, loosening, falling off, and shortened service life. . In order to solve these common problems, it is difficult to achieve all of ...

AI Technical Summary

Problems solved by technology

CN201210185031 discloses a method for preparing a bionic artificial bone with a multi-level (micron / nano) pore structure. However, the three-dimensional multi-level pore structure obtained by this method still cannot meet the bionic requirements due to the randomness and irregularity of its pore structure. Functional Requirements of Artificial Bone

[0005] In addition, as a multi-level porous material applied to bionic artificial bone, the material itself needs to be uniform, that is, the size of the pores and the distribution of the pores are uniform, so that the performance is uniform, but in fact, there are many multi-level porous materials that cannot meet this requirement. Its uniformity is insufficient; although some materials claim to have achieved high uniformity, their uniformity is still the uniformity at the large volume scale. For a three-dimensional body larger than one cubic centimeter, the mass of the three-dimensional body is measured separately, and the difference in the degree of inhomogeneity is still very large, so the various properties of the porous material such as mechanical strength, elastic modulus, etc. are inhomogeneous, which seriously affects its function.

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