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Matching method of tibial prosthesis and tibia and treater

A matching method and tibial technology, applied in the medical field, can solve problems such as lack of reference, large selection errors, and low success rate of surgery, and achieve the effect of reducing errors and improving the success rate of surgery

Pending Publication Date: 2020-09-22
BEIJING NATON INST OF MEDICAL TECH CO LTD
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Problems solved by technology

[0003] At present, before unicompartmental knee replacement surgery, the selection of the tibial prosthesis model is only carried out with the help of X-ray templates, and the selection error is relatively large. The determination of the installation position of the tibial prosthesis mainly depends on the doctor's visual inspection, and there is no clear reference , resulting in a relatively low surgical success rate

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  • Matching method of tibial prosthesis and tibia and treater
  • Matching method of tibial prosthesis and tibia and treater
  • Matching method of tibial prosthesis and tibia and treater

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Embodiment Construction

[0031] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0032] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the description in the accompanying drawings directions for the example described above. It will be appreciated that if the illustrated device is turned over so...

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Abstract

The invention relates to the technical field of medical treatment, in particular to a matching method of a tibial prosthesis and a tibia and a treater. The matching method comprises the following steps: performing operation so as to obtain the image of the tibia, determining the position of a walking surface of the tibia according to the image, determining the upper edge position of the tibial prosthesis according to the position of the walking surface and the thickness of the cartilage of the tibia, selecting a target thickness of the tibial prosthesis, and determining the lower edge positionof the tibial prosthesis according to the upper edge position and the target thickness, wherein the surface, attached to the lower edge position, of the tibia is the mounting surface of the tibial prosthesis; and performing operation so as to obtain the shape and size of the mounting surface, and determining the shape and size of a projection surface of the tibial prosthesis according to the shape and size of the mounting surface, wherein the projection surface is an orthographic projection surface of the tibial prosthesis on the mounting surface. According to the matching method, the mounting position of the tibial prosthesis can be determined, and errors which are caused during model selection of the tibial prosthesis can be reduced.

Description

technical field [0001] The present disclosure relates to the field of medical technology, in particular to a method for matching a tibial prosthesis and a tibia and a processor. Background technique [0002] In recent years, with the rapid development of medical technology, unicompartmental knee replacement surgery has been widely used. Unicompartmental knee arthroplasty only replaces the damaged part of the knee joint, and the soft tissues of other parts of the knee joint are preserved; The joint function is closer to the physiological state and the advantages of easier revision. [0003] At present, before unicompartmental knee replacement surgery, the selection of the tibial prosthesis model is only carried out with the help of X-ray templates, and the selection error is relatively large. The determination of the installation position of the tibial prosthesis mainly depends on the doctor's visual inspection, and there is no clear reference , resulting in a relatively lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/60A61F2/76
CPCA61F2/60A61F2/76A61F2002/607
Inventor 谭润菲王建董骧
Owner BEIJING NATON INST OF MEDICAL TECH CO LTD
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