A method for simulating surgery of the discoid meniscus of the knee joint

A technology for simulating surgery and knee joints, applied in surgery, 3D modeling, computer-aided planning/modeling, etc., can solve problems such as unfavorable doctor-patient communication and difficult pre-evaluation of postoperative effects, and achieve enhanced doctor-patient communication Effect

Active Publication Date: 2021-08-13
WEST CHINA HOSPITAL SICHUAN UNIV
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Problems solved by technology

[0003] At present, there is no consensus on the best surgical method for discoid meniscus surgery clinically, and it is difficult to pre-evaluate the postoperative effect, and there is currently no simple and intuitive method to simulate discoid meniscus in medicine During the operation process, the doctor explained the operation process to the patient through oral narration, and the patient sounded ambiguous, which was not conducive to doctor-patient communication

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  • A method for simulating surgery of the discoid meniscus of the knee joint
  • A method for simulating surgery of the discoid meniscus of the knee joint
  • A method for simulating surgery of the discoid meniscus of the knee joint

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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] figure 1 It is a flow chart of the simulated operation method for the discoid meniscus of the knee joint of the present invention.

[0028] Step 101, performing CT and MRI scans on the knee joint of a patient diagnosed with a discoid meniscus and having a complete meniscus, so as to obtain CT data and MRI data;

[0029] In the embodiment of the present invention, the method for performing the above CT and MRI scans is as follows: the patient is in the supine position, the knee joint is fixed at 0 degrees of extension, and the CT and MRI scans are respectively performed within the range of 10 cm above and below the knee joint space. The scanning parameters for CT scanning are: Siemens 64-row spiral CT machine, voltage 120kV, current 35mA, collimator width 0...

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Abstract

The invention discloses a method for simulating a discoid meniscus of a knee joint. 3D model of ligament and meniscus; register the 3D model of bone with the 3D model of cartilage, ligament and meniscus to generate the coordinate positions of bone, cartilage, ligament and meniscus; Perform surface reconstruction of the model to obtain the NURBS surface model of bone, cartilage, ligament and meniscus; assemble the NURBS surface model of bone, cartilage, ligament and meniscus according to the anatomical structure to generate a knee joint solid model; remove the disc on the knee joint solid model lesions in the meniscus to simulate revision surgery. The technical scheme provided by the present invention can display the diseased part of the knee joint of the patient in a targeted manner, simulate the operation process, and strengthen the communication between doctors and patients.

Description

technical field [0001] The invention relates to the technical field of computer three-dimensional simulation, in particular to a method for simulating a discoid meniscus of the knee joint. Background technique [0002] In medicine, normal human knee joints are often used for three-dimensional modeling, and various researches are carried out on the established three-dimensional knee joint models. A discoid meniscus is a rare meniscal deformity in which there are more lateral discoid menisci than medial discoid menisci. It is reported that the incidence of lateral discoid meniscus is 26% in Japanese and Korean patients, but less than 1% in patients from other countries, and the incidence of medial discoid meniscus is 0% to 0.3%. [0003] At present, there is no consensus on the best surgical method for discoid meniscus surgery clinically, and it is difficult to pre-evaluate the postoperative effect, and there is currently no simple and intuitive method to simulate discoid men...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B34/10A61B90/00G06T17/30G06T5/00
CPCG06T5/002G06T17/30G06T2207/10081G06T2207/10088G06T2207/30008
Inventor 陈刚蒋海李箭付维力唐新李棋
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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