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Osteotomy precision verification method

A technology of precision verification and osteotomy, applied in the field of precision verification, which can solve problems such as poor accuracy

Inactive Publication Date: 2021-03-09
BEIJING AKEC MEDICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method for verifying the accuracy of osteotomy to solve the problem of poor accuracy of the verification method for osteotomy accuracy in the prior art

Method used

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  • Osteotomy precision verification method

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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0020] In this embodiment, the osteotomy is performed using the osteotomy guide plate, and it is judged whether the osteotomy accuracy after osteotomy using the osteotomy guide plate is up to standard. It should be noted that the osteotomy with the osteotomy guide is only one of the osteotomy methods, and the osteotomy method is not limited thereto.

[0021] The osteotomy guide plate establishes a three-dimensional model of the original bone through CT image data, and selects multiple measurement points on the three-dimensional model of the original bone for marking. Establish the coordinates of the designed osteotomy plane, use engineering software to simulate the osteotomy before operation, ...

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Abstract

The invention provides an osteotomy precision verification method. The method comprises the following steps of: step S10, selecting a plurality of measurement point positions on an original three-dimensional skeleton model, and measuring the distance between each measurement point position and a designed osteotomy plane corresponding to the measurement point position to obtain the designed osteotomy amount of each measurement point position; step S20, obtaining the actual osteotomy amount of the plurality of measurement point positions; and step S30, calculating the difference value d1 betweenthe designed osteotomy amount and the actual osteotomy amount corresponding to each measurement point position, if the absolute value of the difference value d1 corresponding to one of the measurement point positions is greater than 3mm, determining that the osteotomy precision is unqualified, and if the absolute values of all the difference values d1 corresponding to all the measurement point positions are smaller than or equal to 3mm, determining that the osteotomy precision is qualified. By application of the technical scheme provided by the invention, the problem of poor accuracy of the osteotomy precision verification method in related technologies can be effectively solved.

Description

technical field [0001] The invention relates to the field of precision verification methods, in particular to a method for verification of osteotomy precision. Background technique [0002] The knee joint is the joint with the largest range of motion in the human body. Middle-aged and elderly people are often prone to knee joint diseases such as limited joint mobility and pain due to factors such as osteoporosis, repeated joint strain, and degeneration, which seriously affect the daily life of middle-aged and elderly people. Life. The main treatment method is total knee arthroplasty, which can effectively relieve knee joint pain, correct deformity, and improve knee joint motion function after surgery, and the surgical effect has been confirmed by a large number of practical applications. In total knee arthroplasty, the key to the success of total knee arthroplasty is to accurately restore the patient's lower limb line of force and accurately implant the prosthesis. Therefor...

Claims

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Application Information

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IPC IPC(8): A61B34/10A61B90/00A61B17/14A61B6/00A61B6/03G01B5/00G01B15/00
CPCA61B6/032A61B6/505A61B6/5217A61B17/14A61B34/10A61B90/06A61B2034/108G01B5/00G01B15/00
Inventor 韩煜
Owner BEIJING AKEC MEDICAL
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