A hip joint torque measurement system

A technology of torque measurement and hip joints, applied in diagnostic recording/measurement, medical science, sensors, etc., to increase stability, reduce postoperative dislocation rate, and improve curative effect

Inactive Publication Date: 2017-01-04
青岛山大齐鲁医院(山东大学齐鲁医院(青岛))
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no tool for measuring the torsional force after intraoperative posterolateral soft tissue repair of the hip joint. In view of this, the inventor invented and produced the hip joint torque measurement system of the present invention

Method used

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  • A hip joint torque measurement system
  • A hip joint torque measurement system
  • A hip joint torque measurement system

Examples

Experimental program
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Effect test

Embodiment

[0038] This embodiment provides a hip joint torque measurement system, such as Figure 1-6 As shown, it includes a fixing device suitable for being fixed on the limb connected with the hip joint to be tested, a strain device fixedly connected with the fixing device, the strain device is exerted force and rotates the limb through the fixing device, and Further, when the femur covered by the limb rotates around the axis of the femur, a uniform strain can be generated, and the measuring device 5 for determining the strain amount of the strain device can be generated.

[0039] The fixing device includes a first fixing plate 1 and a second fixing plate that can be fixedly clamped on the left and right sides of the knee joint connected to the limb through a connecting structure, and at the same time clamp a part of the thigh part and the calf part connected to the knee joint. Two fixing plates 2 are used to ensure that the rotation angle of the fixing device is synchronized with the...

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PUM

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Abstract

The invention provides a hip joint torque measurement system, comprising a fixing device suitable for being fixed on a limb connected with the hip joint to be measured, a strain device fixedly connected with the fixing device, and the strain device is exerted force and passed through the When the fixation device rotates the limb, and thus the femur covered by the limb around the axis of the femur, a uniform strain can be generated, and a measuring device for determining the amount of strain of the strain device. The hip joint torque measurement system of the present invention can measure the moment of the patient's hip joint during the operation, verify the necessity of soft tissue repair of the hip joint, and determine how to perform targeted and effective repair of the patient's soft tissue according to the measurement results , reconstruct the soft tissue balance of the hip joint after surgery, and increase the stability of the hip joint, thereby improving the curative effect of total hip replacement surgery and significantly reducing the postoperative dislocation rate.

Description

technical field [0001] The invention relates to a hip joint torque measurement system, which belongs to the technical field of hip joint torque measurement. Background technique [0002] At present, the most commonly used posterolateral approach has many advantages in hip replacement surgery, such as less soft tissue damage, simple operation, clear acetabulum exposure, better protection of abductor muscles, low incidence of heterotopic ossification, The postoperative recovery is good, etc., which makes the posterolateral approach more and more widely used. However, compared with other surgical approaches, the rate of joint dislocation after posterolateral approach is relatively high. [0003] Various repair and evaluation methods in the prior art usually artificially limit the patient's body position and range of motion after the operation. Postoperative rehabilitation has the disadvantages of long time and slow effect, which not only brings pain to the patient, but also t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/107A61B5/103
Inventor 张鹏孔杰杜建春高升焘
Owner 青岛山大齐鲁医院(山东大学齐鲁医院(青岛))
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