Human subject researching device based on simulation of gravity load by nuclear-magnetic resonance machine

An experimental device and nuclear magnetic resonance technology, applied in the field of medical human mechanics measurement, can solve the lack of convincing stress-displacement changes, the lack of continuous dynamic tracking of the sacroiliac joint range of motion and the acceleration of activity changes, and the inability to display soft tissues well, etc. problem, to achieve the effect of high safety

Inactive Publication Date: 2012-01-18
SHANGHAI FIRST PEOPLES HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In previous studies, X-rays, CT and other detection methods were widely used, which had a relatively reliable reflection on the measurement of bone structure, but could not show soft tissues well; some of the experiments used magnetic resonance under static conditions. There is no continuous and dynamic tra...

Method used

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  • Human subject researching device based on simulation of gravity load by nuclear-magnetic resonance machine
  • Human subject researching device based on simulation of gravity load by nuclear-magnetic resonance machine
  • Human subject researching device based on simulation of gravity load by nuclear-magnetic resonance machine

Examples

Experimental program
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Embodiment 1

[0032] like figure 1 — image 3 As shown, this human body test device based on nuclear magnetic resonance machine to simulate gravity loading consists of coil backing plate Ⅰ1, coil backing plate Ⅱ2, sliding table backing Ⅰ3, sliding table backing Ⅱ4, foot sliding table 6, buttock sliding table 7, Buttocks extension slide table 8, coil 9, pulley seat 10, pulley 11, cylindrical pin 12, roller 13, weight 14, traction rope 15, weight disc 16, support frame 17 and coil auxiliary backing plate 18 are formed;

[0033]The coil backing plate I1 is connected with the coil backing plate II2 to form a coil backing plate, and the sliding table backing plate I3 is connected with the sliding table backing plate II4 to form a sliding table backing plate, wherein the coil backing plate I1, the coil Backing plate Ⅱ2, sliding table backing plate Ⅰ3 and sliding table backing plate Ⅱ4 are all connected in sequence by cylindrical pins 12; the sliding table backing plate is equipped with foot slid...

Embodiment 2

[0040] like figure 1 — image 3 As shown, this human body test device based on nuclear magnetic resonance machine to simulate gravity loading consists of coil backing plate Ⅰ1, coil backing plate Ⅱ2, sliding table backing Ⅰ3, sliding table backing Ⅱ4, foot sliding table 6, buttock sliding table 7, Buttock extension slide table 8, coil 9, pulley seat 10, pulley 11, cylindrical pin 12, roller 13, weight 14, traction rope 15, weight disc 16, support frame 17 and coil auxiliary backing plate 18; coil backing plate Ⅰ1 and coil backing plate II2 are connected with cylindrical pin 12 to form a coil backing plate; coil backing plate II2 is connected with sliding table backing plate I3 with cylindrical pin 12; sliding table backing plate I and sliding table backing plate II are connected with cylindrical pin 12 and constitute Sliding table backing plate; the described coil backing plate and the sliding table backing plate are connected to form a working platform placed on the MRI mach...

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Abstract

The invention belongs to the medicine body mechanics measurement field, and relates to a human subject researching device based on simulation of gravity load by a nuclear-magnetic resonance machine, which is characterized in that: a coil liner plate I is connected with a coil liner plate II to form a coil liner plate, and a slipway liner plate I is connected with a slipway liner plate II to form a slipway liner plate; the slipway liner plate is provided with foot slipways, a buttock slipway, a buttock extension slipway and a pulley block, the coil liner plate is provided with coils, and a coil auxiliary liner plate is arranged on the tail part of the coils; and a supporting bracket is arranged on one end of the device, one end of a hauling rope is fixed on the foot slipways, the other endof the hauling rope is connected with a scale pan, and the scale pan is arranged on the supporting bracket. The human subject researching device can simulate the gravity of the body in a standing posture at a full-flat state of the human body, help can be provided for utilizing nuclear magnetic resonance (MRI) image to research the influence of the long-term gravity on the degradation of sacroiliac joint, so original data of the degradation reason of the sacroiliac joint can be obtained.

Description

technical field [0001] The invention belongs to the field of medical human body mechanics measurement, and relates to an experimental device for medical human body mechanics measurement, in particular to a human body test device based on a nuclear magnetic resonance machine to simulate gravity loading. The device is installed on a nuclear magnetic resonance (GE 3.0 Tesla) machine 1. A deformation measurement auxiliary device for simulating in the horizontal direction the self-gravity acting on the sacroiliac joint when the human body is standing. Background technique [0002] The human sacroiliac joint is a hub connecting the upper and lower parts of the body, located behind the pelvic ring; this part is deeper than other joints in the body, which is not conducive to direct measurement work. The range of motion of the sacroiliac joint is relatively small, and studies have shown that the relatively acceptable range of motion is: the relative displacement between joints is abo...

Claims

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Application Information

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IPC IPC(8): A61B5/11A61B5/055
Inventor 王秋根汪方胡运胜吴佳琦曾祥森
Owner SHANGHAI FIRST PEOPLES HOSPITAL
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