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Femoral neck measuring method, system and equipment based on optical positioning and medium

A technology of optical positioning and measurement method, applied in the medical field, can solve the problems of difficult operation and complicated process, and achieve the effect of improving the quality of surgery

Pending Publication Date: 2022-03-22
SHANTOU UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It can ensure accurate measurement, but the process is complicated and the operation is difficult

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  • Femoral neck measuring method, system and equipment based on optical positioning and medium
  • Femoral neck measuring method, system and equipment based on optical positioning and medium
  • Femoral neck measuring method, system and equipment based on optical positioning and medium

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Embodiment Construction

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described below in conjunction with the embodiments and the accompanying drawings.

[0049] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0050] According to a first aspect of the present invention, a method for measuring a femoral neck based on optical positioning is provided....

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Abstract

The invention discloses a femoral neck measuring method, system and device based on optical localization and a medium, and the method comprises the steps: measuring an affected limb after a femoral stem prosthesis is installed through an optical localization probe, and calculating the actual length of the femoral neck required by the affected limb according to the osteotomy surface of the affected limb determined after the femoral stem prosthesis is installed; determining a selected femur ball prosthesis and a selected femur neck prosthesis according to the calculated actual length of the femur neck and the measured length of the femur neck of the healthy limb before the operation; the length of the affected limb after the femoral ball prosthesis and the femoral neck prosthesis are implanted is measured, and the length difference between the healthy limb and the affected limb is restrained by adjusting the length of the femoral neck of the affected limb. According to the invention, errors caused by surgical operation are measured and calculated by using an optical measurement technology in total hip replacement, so that the actual effect achieved in the surgical execution process can be determined under the condition that the operation is relatively simple, and medical personnel can adjust the selected prosthesis in time according to each stage of the surgery; the operation quality is improved.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a femoral neck measurement method, system, equipment and medium based on optical positioning. Background technique [0002] Due to the decline in bone quality of the elderly, the elderly are a high-risk population for hip joint diseases. With the development of aging society, total hip arthroplasty (THA) is one of the commonly used methods for the treatment of related hip joint diseases. However, the femur used in total hip arthroplasty depends on preoperative planning, and there are few coping strategies for intraoperative adjustment of femoral neck length. [0003] In the prior art, methods for adjusting the length of the femoral neck during total hip arthroplasty include: (1) using a vertical ruler, a vernier caliper, a Kirschner wire, etc. to measure the distance between two reference points to determine the femoral eccentricity, thereby adjusting The length of the femoral ...

Claims

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Application Information

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IPC IPC(8): A61F2/46
CPCA61F2/4607A61F2/4657A61F2002/4633A61F2002/4658A61B5/1072A61B5/1079A61F2/3609A61F2/36A61F2002/3625A61F2/3662A61F2/367A61B5/4887
Inventor 范衠宁为博朱家祺吴奕润刘嘉诚黄文宁胡军陈洪江容毅标许宏武张建军
Owner SHANTOU UNIV
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