Beijing Ak Medical Co., Ltd.

Tao Ji

Wei Guo

Caimei Wang

The present disclosure provides an iliac prosthesis, comprising: a prosthesis main body, the prosthesis main body including a first end portion contacted and matched with a sacrum and a second end portion contacted and matched with an acetabulum, a first screw hole being formed in the first end portion, a first screw seat being arranged in the first screw hole, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat; and an anti-dropping mechanism, the anti-dropping mechanism being arranged between the prosthesis main body and the connecting seat in a clamping manner. The technical solutions of the present disclosure can effectively solve the problems of unreliable supporting and easy fatigue break of the screw-rod system in the related technology.

Iliac prosthesis

The present disclosure provides a hipbone prosthesis, comprising: a prosthesis main body (), the prosthesis main body () being of an arched structure, the prosthesis main body including a first end portion () and a second end portion, and the first end portion () being contacted and matched with a sacrum (); and an acetabular cup () and a connecting device (), the acetabular cup () being connected with the second end portion in a position adjustable manner via the connecting device (). According to the technical solutions of the present disclosure, the problems of unreliable supporting and easy fatigue break of a screw-rod system in the related technology are effectively solved.

Hipbone prosthesis

The present disclosure provides an acetabular defect reconstructive prosthesis, comprising: an iliac support, the iliac support including a support seat () and a connecting wing plate () provided on the support seat (), and the support seat () being contacted and matched with an ilium (); and an acetabular cup () rotatably connected with the support seat () together. The technical solutions of the present disclosure can effectively solve the problems of reconstruction and long-term stability of a peri-acetabular defect in the related technology.

Acetabular defect reconstructive prosthesis

The present disclosure provides a sacral prosthesis, comprising: a prosthesis main body, the prosthesis main body including two first prosthesis bodies and a second prosthesis body connected between the two first prosthesis bodies the two first prosthesis bodies and the second prosthesis body being of an integrally prototyped structure, a second end of each of the first prosthesis bodies being contacted and matched with an ilium, and a top of the second prosthesis body being contacted and matched with a lumbar vertebral body; and a screw-rod structure, the screw-rod structure including a connecting seat and a rod body, the connecting seat being connected with the prosthesis main body, and the rod body being fixed on the connecting seat. The technical solutions of the present disclosure can effectively solve the problems of unreliable supporting and easy fatigue break of the screw-rod system in the related technology.

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Beijing, China

Tao Ji