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Osteotomy guide plate in operation of precisely treating tibial tuberosity introversion and application of osteotomy guide plate

A tibial tuberosity and osteotomy technology, which is applied in the field of medical equipment, can solve the problems of inaccurate internal displacement distance of osteotomy, inaccurate osteotomy position and osteotomy depth, etc., so as to be beneficial to postoperative recovery and shorten operation time. , Accurate effect of osteotomy internal displacement distance

Pending Publication Date: 2019-12-17
蔡秋晨
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an osteotomy guide plate and its application for precise treatment of medial tibial tubercle surgery, so as to solve the problem of inaccurate osteotomy position and osteotomy depth and inaccurate osteotomy medial distance in the prior art And other issues

Method used

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  • Osteotomy guide plate in operation of precisely treating tibial tuberosity introversion and application of osteotomy guide plate
  • Osteotomy guide plate in operation of precisely treating tibial tuberosity introversion and application of osteotomy guide plate
  • Osteotomy guide plate in operation of precisely treating tibial tuberosity introversion and application of osteotomy guide plate

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Embodiment

[0021] Example: A patient with recurrent patellar dislocation was admitted to the Department of Orthopedics and Joint Surgery of Shanghai Tenth People's Hospital. After admission, the CT scan data of the knee joint was used to make an osteotomy guide plate through 3D printing technology. Bacteria disinfection, according to the patellar dislocation triple surgery combined with 3D printing osteotomy guide plate treatment, questionnaire survey Lysholm score was conducted 3 months after surgery to comprehensively evaluate the improvement of patellofemoral joint function. The comprehensive score was 87 (greater than 85 is excellent), and the effect was excellent. In the traditional triple surgery for patellar dislocation, the complications are less than the traditional triple surgery for patellar dislocation.

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Abstract

The invention discloses an osteotomy guide plate in an operation of precisely treating tibial tuberosity introversion, includin a fixing part and an osteotomy plane. The fixing part and the osteotomyplane are fixed at a certain angle; the fixing part is provided with a curved surface matched with the outer contour of the tibia; at least three pre-drilled holes which are not located on the same straight line are formed in the fixing part and are fixed to the tibia through hollow rivets. And the osteotomy plane is arranged between the tibia and the osteotomy block to form an osteotomy operationarea. By means of a 3D printing osteotomy guide plate technology, the artificial error caused by an operation is reduced, the osteotomy position and the osteotomy depth are more accurate, and the osteotomy inward movement distance is more accurate; the 3D printing osteotomy guide plate helps simplify the operation process, improve the operation efficiency, shorten the operation time and reduce the trauma to a patient, and is beneficial to postoperative recovery; and generally speaking, the 3D printing osteotomy guide plate is more accurate, individualized and safer for use.

Description

technical field [0001] The invention relates to an auxiliary tool for the treatment of tibial tubercle medial movement, in particular to an osteotomy guide plate for precise treatment of tibial tubercle medial movement and its application, and belongs to the technical field of medical equipment. Background technique [0002] The triple surgery for patellar dislocation includes arthroscopic lateral retinaculum release, medial patellar ligament (MPFL) reconstruction, and medial osteotomy of the tibial tuberosity. Patients with a normal TT-TG distance only need to undergo the first duplex surgery, and the duplex surgery can be done directly under minimally invasive arthroscopic surgery. TT-TG distance (distance between tibial tuberosity and femoral trochlear groove), refers to the distance between the vertical line passing through the tibial tuberosity and the vertical line passing through the lowest point of the femoral trochlea, and the average value measured on the CT plane ...

Claims

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Application Information

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IPC IPC(8): A61B17/15A61B17/56
CPCA61B17/157A61B17/56A61B2017/568
Inventor 蔡秋晨
Owner 蔡秋晨
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