Tibial shim for knee joint

A technology of knee joints and spacers, which is applied in the direction of knee joints, elbow joints, joint implants, etc., can solve the problems of tibial spacers occupying a large space, affecting the normal operation of the operation, and delaying the operation time, so as to shorten the operation time, Improve the success rate of surgery and reduce the cost of preparation

Pending Publication Date: 2020-02-18
BEIJING CHUNLIZHENGDA MEDICAL INSTR
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] There are many types of commonly used knee tibial spacers, and in order to meet the installation requirements of trial condyle prosthesis and trial mold prosthesis, each type of tibial spacer needs to be prepared with a series of different specifications for surgical needs, which makes the operation When in use, the tibial spacer takes up too much space and is not easy to find, which affects the normal operation
[0004] Due to the different degrees of bon

Method used

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  • Tibial shim for knee joint
  • Tibial shim for knee joint
  • Tibial shim for knee joint

Examples

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Embodiment Construction

[0032] 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.

[0033] see figure 1 , this embodiment provides a knee joint tibial spacer 100, which is used in conjunction with a trial prosthesis and a trial condyle prosthesis, including: a spacer base 1 that is engaged with the trial prosthesis; The mated spacer body 2; the connection mechanism 3 for connecting the spacer base 1 and the spacer body 2, the connection mechanism 3 includes a snap-in part for connecting the force line handle 5, which can be inserted into the tibial spacer After the model prosthesis and the trial condyle prosthesis, disconnect the connection with the force line handle 5. In this application, the ...

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Abstract

The invention relates to a tibial shim pad for a knee joint. The tibial shim is used in cooperation with a test mode prosthesis and a test condyle prosthesis, and the tibial shim includes a shim basematched with the test mode prosthesis, a shim main body matched with the test condyle prosthesis and a connection mechanism for connecting the shim base and the shim main body, the connection mechanism includes a clamping part for connecting a force line handle, and the clamping part can disconnect from the force line handle after being placed between the test mode prosthesis and the test condyleprosthesis. The assembly and disassembly of the tibial shim can be easily completed with the help of the force line handle, and compared with a manual disassembly and assembly method of an integratedtibial shim in the prior art, the assembly and disassembly method provided by the invention effectively shortens the surgery time; and the tibial shim for the knee joint provided by the application iscomposed of the shim base, the shim main body and the connection mechanism, can realize the mass production of the shim base and the connection mechanism, is beneficial to reducing the preparation costs, effectively reduces the occupied space of the tibial shim during a surgery, and is beneficial to progress of the surgery.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a knee joint tibial spacer. Background technique [0002] In knee arthroplasty, a trial condyle prosthesis and a trial mold prosthesis are installed on the femur and tibia, respectively, from which damaged bone has been removed, and then tibial spacers are installed on the trial condyle prosthesis and trial mold prosthesis. Between the body, through the cooperation with the trial condyle prosthesis and the trial model prosthesis, the normal use of the patient's knee joint can be restored. [0003] There are many types of commonly used knee tibial spacers, and in order to meet the installation requirements of trial condyle prosthesis and trial mold prosthesis, each type of tibial spacer needs to be prepared with a series of different specifications for surgical needs, which makes the operation When in use, the space occupied by the tibial spacer is too large a...

Claims

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Application Information

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IPC IPC(8): A61F2/38A61F2/46
CPCA61F2/389A61F2/4684
Inventor 解凤宝吕昌禹史春宝王帅
Owner BEIJING CHUNLIZHENGDA MEDICAL INSTR
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