Method and system for obtaining pelvic posture and prosthesis installation angle in total hip replacement surgery

A technology of total hip replacement and installation angle, which is applied in the field of medical electronics, can solve the problems of difficult to achieve accurate measurement of acetabular prosthesis, difficult to determine the posture of the pelvis, and errors in determining the installation angle of acetabular prosthesis, etc.

Active Publication Date: 2017-06-23
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current operation, the posture of the pelvis is difficult to determine, and the patient is covered by a sterile surgical drape, and it is difficult to accurately measure the installation angle of the acetabular prosthesis relative to the pelvis. The plane of the operating table is used as a reference, which will cause relatively large errors in determining the installation angle of the acetabular prosthesis

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  • Method and system for obtaining pelvic posture and prosthesis installation angle in total hip replacement surgery
  • Method and system for obtaining pelvic posture and prosthesis installation angle in total hip replacement surgery
  • Method and system for obtaining pelvic posture and prosthesis installation angle in total hip replacement surgery

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Embodiment Construction

[0046] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0047] The present invention provides a method and system for acquiring pelvic posture and prosthesis installation angle in total hip replacement surgery, which can measure the pelvic posture and prosthesis installation angle in real time during total hip replacement surgery, and provide surgeons with Surgical operation brings convenience.

[0048] A kind of example product schematic diagram of the present invention is as figure 1 As shown, the block diagram I is the device for measuring the installation angle of the prosthesis, the device for measuring the real-time posture of the pelvis is shown in Fig. II, and the device for measuring the initial posture of the pelvis is shown in Fig. III. Acetabular cup prosthesis 11 is fixed with sensor module 3 12 among Fig. 1, and sensor module 3 12 has its sensor and MCU and other elements 13 used on it...

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Abstract

The invention discloses a method and system for obtaining pelvic posture and a prosthesis installation angle in a total hip replacement surgery. According to the method, the pelvic posture can be obtained in real time, a prosthesis is installed by taking the obtained pelvic posture as reference, and the installation angle is determined, and system hardware can be divided into three modules of a data acquisition module, a data processing module and a data transmission module according to functions; according to components, the hardware can be divided into a pelvic initial posture measuring device, a pelvic dynamic measuring device and a prosthesis installation angle measuring device, a same sensor module is mounted on each component device to transmit obtained data by a sensor to a computer, and pelvic posture calculation and prosthesis installation angle calculation are achieved on the computer; by the usage of the method and system for obtaining the pelvic posture and the prosthesis installation angle in the total hip replacement surgery, a great convenience is brought to the total hip replacement surgery carried out by doctors, and the surgery success rate and treatment effect are improved.

Description

technical field [0001] The invention belongs to the technical field of medical electronics, and in particular relates to a method and system for acquiring pelvic posture and prosthesis installation angle in total hip replacement surgery. Background technique [0002] With the growth of population and the continuous development of population aging trend, artificial joint replacement surgery is more and more. Taking hip replacement as an example, it is mainly applicable to osteoarthritis, aseptic bone necrosis (such as femoral head necrosis, etc.), certain hip fractures (such as femoral neck fracture), rheumatoid arthritis, traumatic Arthritis, benign and malignant bone tumors, ankylosing spondylitis, etc., are widely used. [0003] In total hip replacement, the dead acetabular cup and femoral head are removed and the dead part is replaced with an artificial prosthesis. An important aspect during the replacement process is ensuring proper alignment of the acetabular prosthes...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/46A61F2/32A61F2/34
CPCA61F2/32A61F2/34A61F2/4657A61F2002/4668
Inventor 陈虹曹哲
Owner TSINGHUA UNIV
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