Tibial plateau support and knee-joint prosthesis applying same

A knee joint prosthesis and tibial plateau technology, applied in the field of knee joint prostheses, can solve problems such as reducing the stability of the tibial plateau support, failing to completely cover the tibia, and increasing intra-articular bleeding, avoiding the risk of intra-articular bleeding and enhancing kinematics. characteristics, the effect of reducing the incidence

Pending Publication Date: 2019-11-01
BEIJING CHUNLIZHENGDA MEDICAL INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to meet the knee replacement surgery of most patients, the knee joint prosthesis of the prior art often designs the tibial plateau support as a symmetrical structure, and the tibial plateau support of this symmetrical structure cannot be compatible with the natural tibia of the patient. The contours are exactly matched, so that the tibial plateau cannot completely cover the tibial osteotomy plane to achieve the ideal bone coverage area, which will not only reduce the stability of the tibial plateau after implantation, but also increase the long-term knee prosthesis. Risk of loosening and, in long-term use, pain from irritation of the soft tissue around the junction of the tibial plateau rest and the osteotomy plane, increasing the risk of intra-articular hemorrhage

Method used

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  • Tibial plateau support and knee-joint prosthesis applying same
  • Tibial plateau support and knee-joint prosthesis applying same
  • Tibial plateau support and knee-joint prosthesis applying same

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Embodiment Construction

[0029] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

[0030] Figure 1 to Figure 4 The structure of the tibial plate tray 100 according to the present invention is shown. Such as Figure 1 to Figure 4 As shown, the tibial platform support 100 includes: a platform support part 1, the platform support part 1 includes a top surface 11 for connecting with the pad of the knee joint prosthesis and a top surface 11 opposite to the top surface 11 and used for connecting with the tibia of the human body. The bottom surface 12 where the osteotomy plane fits; and the platform support connecting part 2, one end of the platform support connecting part 2 is fixedly connected with...

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Abstract

The invention relates to the technical field of medical prosthesis, and discloses a tibial plateau support and knee-joint prosthesis applying the same. The tibial plateau support comprises a plateau support supporting part and a plateau support connecting part, wherein the plateau support supporting part comprises a top surface used for being connected with a liner of the knee-joint prosthesis anda bottom surface used for being attached to an osteotomy plane of human body tibia; and one end of the plateau support connecting part is fixedly connected with the bottom surface, and the other endof the plateau support connecting part is used for being implanted into a medullary cavity of the human body tibia to be connected with the human body tibia. The cross section structure of the bottomsurface is the same as the osteotomy plane of human body tibia. The tibial plateau support is more stable after implantation.

Description

technical field [0001] The invention belongs to the technical field of medical prosthesis, in particular to a tibial plateau support and a knee joint prosthesis using the same. Background technique [0002] A knee prosthesis is a surgical implant used to replace the knee joint. It is used in superficial knee replacement surgery of the knee to treat the damaged knee and replace it with a knee prosthesis. The existing knee joint prosthesis mainly includes: a femoral prosthesis for connecting with the femur of the human body, a tibial plateau support for connecting with the tibia of the human body, and a liner between the femoral prosthesis and the tibial plateau support. [0003] Currently, knee prostheses are widely used in joint replacement surgery. However, in order to meet the knee replacement surgery of most patients, the knee joint prosthesis of the prior art often designs the tibial plateau support as a symmetrical structure, and the tibial plateau support of this symm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38
CPCA61F2/3836A61F2/3886A61F2/389
Inventor 周勇刚史春宝王帅解凤宝李明洋
Owner BEIJING CHUNLIZHENGDA MEDICAL INSTR
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