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Knee joint soft tissue pressure measuring device, measuring system and measuring method

A measuring device and measuring system technology, applied in the field of medical devices, can solve the problems of complex shape and structure, poor clinical effect, difficult to widely apply, etc., and achieve the effects of high cost, easy processing, and effective measurement results

Pending Publication Date: 2020-07-17
AIQIAO SHANGHAI MEDICAL TECH CO LTD
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Problems solved by technology

[0003] The applicant disclosed a human knee joint soft tissue pressure and trajectory measurement system in its Chinese invention patent application CN105919607A. The force-bearing surface of the shell adopts an inner concave arc surface, and the pressure sensor adopts a thin-film sensor, which has a complex shape and structure and high power consumption. , low precision, so the clinical effect is not good, it is difficult to be widely used

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  • Knee joint soft tissue pressure measuring device, measuring system and measuring method
  • Knee joint soft tissue pressure measuring device, measuring system and measuring method
  • Knee joint soft tissue pressure measuring device, measuring system and measuring method

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Embodiment Construction

[0053] The following examples of the present invention are described in detail below. The following examples are implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the embodiment.

[0054] Such as Figure 1-9 As shown, in a preferred embodiment, the knee joint soft tissue pressure measurement device 1 for human knee joint replacement surgery of the present invention includes shells 11, 12, circuit board 15 and resistive strain gauge 14; wherein, shell 11, 12 is used to accommodate a circuit board 15 and a resistance strain gauge 14. The housings 11 and 12 include a first housing 11 and a second housing 12. The upper surface of the first housing 11 has a force-bearing surface 13, which is a plane.

[0055] The circuit board 15 includes a power supply, a microprocessor, an analog-to-digi...

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Abstract

The invention provides a knee joint soft tissue pressure measuring device, measuring system and measuring method for a human knee joint replacement operation, can solve the problem of balance of internal pressure and external pressure of a knee joint during a knee joint replacement operation, and provides a reference for the osteotomy amount at a femoral part and the implantation size of prosthesis. The device has the advantages of simple structure, low cost and high universality. The measurement precision and sensitivity are high, operation is simple, display information is rich, operation ofa doctor can be greatly facilitated, and the operation time is saved, so that clinical operation efficiency is improved, the bleeding amount of a patient and injury to the patient caused by the operation can be obviously reduced,.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a knee joint soft tissue pressure measuring device, a measuring system and a measuring method used in human knee joint replacement surgery. Background technique [0002] As the population ages, the number of patients with knee osteoarthritis is on the rise, and hospitals are performing more and more artificial joint replacements each year. Artificial knee replacement surgery solves the problems of aging or necrosis and loss of function of the knee joint for patients, relieves the pain of the patient, and greatly improves the quality of life of the patient. [0003] The applicant disclosed a human knee joint soft tissue pressure and trajectory measurement system in its Chinese invention patent application CN105919607A. The force-bearing surface of the shell adopts a concave arc surface, and the pressure sensor adopts a thin-film sensor, which has a complex shap...

Claims

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Application Information

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IPC IPC(8): A61B5/22
CPCA61B5/22
Inventor 常涛吴卫珂朱允海蔡振刘子洋刘家伟刘成龙曾福琴
Owner AIQIAO SHANGHAI MEDICAL TECH CO LTD
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