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Device and method for testing magnetic deformation material in controllable magnetic field environment

A technology of deformable materials and testing devices, which is applied in the fields of medicine and biology, and can solve problems such as the failure of living organisms to maintain, the measurement error of the measured object, and the deviation of the actual effect.

Active Publication Date: 2020-10-27
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during image analysis, due to the imaging deformation of the optical lens and the perspective relationship, errors will occur in the actual deformation measurement of the measured object
[0006] The position of the measured object is relatively fixed when it is tested on the test bench, but it cannot maintain a completely fixed position in the living body
Therefore, many test bench test results have a large deviation from the actual effect in vivo

Method used

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  • Device and method for testing magnetic deformation material in controllable magnetic field environment
  • Device and method for testing magnetic deformation material in controllable magnetic field environment
  • Device and method for testing magnetic deformation material in controllable magnetic field environment

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0043] Experimental Example 1 In vivo nerve compression device test

[0044]The magnetron deformation clamp 18 can be used as a structure that generates clamping pressure under the action of a magnetic field. This structure can be installed outside the biological nerve to compress the nerve. This test can measure the magnetron deformation clamp 18 for nerves of different sizes or hardness. , the deformation and clamping force generated under different magnetic fields, so as to obtain the characteristic curve of magnetic field strength and nerve clamping degree. After being implanted into the body, in order to achieve a certain degree of compression, a certain magnetic field strength can be applied according to this characteristic curve, so as to obtain the corresponding degree of compression of the nerve, which is used to simulate the symptoms of nerve compression. In neurosurgery, the mechanism of nerve compression symptoms needs to be artificially created to study and analyz...

experiment example 2

[0045] Experimental example 2 In vivo magnetic control hemostat test

[0046] The magnetron deformation clamp 18 can be used as a structure that generates a clamping force under the action of a magnetic field. This structure is installed outside the blood vessel and can generate a clamping force under the action of a magnetic field. This test can simulate the blood flow rate or pressure in the blood vessel through an environmental simulator. . Under the action of an external magnetic field, the degree of clamping of the blood vessel by the magnetically controlled deformation clamp 18 is measured, so as to evaluate its hemostatic properties. According to the relationship between the magnetic intensity and the blood flow rate obtained by the test, it can be used to evaluate the effect of the magnetic control hemostatic device, and can also be used to simulate the symptoms of the gradually compressed blood vessels. Vascular compression is a gradually aggravating process. After s...

experiment example 3

[0047] Experimental Example 3 In vivo magnetron vascular dilator test

[0048] The magnetron deformation clamp 18 can be used as a structure with an expansion function under the action of a magnetic field, that is, the magnetron deformation clamp 18 is installed on the inner wall of the blood vessel and kept in a clamped state, and then through the change of the external magnetic field, the magnetic control deformation clamp 18 is in the magnetic field. Under the action of a certain degree of expansion, in order to achieve the function of the magnetically controlled vascular dilator in the body. This test can measure the deformation or force of the magnetron deformation clamp 18 under different magnetic fields under the condition of different blood flow rates or blood vessel sizes, and evaluate the dilatation ability of the blood vessel.

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Abstract

The invention relates to a magnetic deformation material testing device and method in a controllable magnetic field environment, and belongs to testing devices and methods in the fields of biology, medicine and the like. A Z-axis precision moving platform is connected with a left rotating platform, the left rotating platform is connected with a left object table, the left object table and an environment simulator are arranged at the hollow part in an electromagnetic coil outer sleeve box, an elastic material is fixedly connected with a left object table through a clamping plate and clamped bya magnetic control deformation clamp, the electromagnetic coil is arranged on a hollow boss of an electromagnetic coil outer sleeve box, a temperature probe is arranged in the electromagnetic coil sleeve box, a right object table is opposite to a left object table front and back, an endoscope is fixedly connected with an upper portion of the right object table, and a magnetic gauss meter is fixedly connected with a lower portion of the right object table. The device is advantaged in that the magnetic field intensity can be accurately measured, an angle or position between the magnetic field and a tested material can be adjusted, the position change and the magnetic field intensity change can be recorded, the in-vivo environment of a living body can be simulated, and conditions such as living body temperature, body fluid components and body fluid flow are simulated.

Description

technical field [0001] The invention belongs to a testing device and method in the fields of biology, medicine and the like. A controllable magnetic field is generated by an electromagnetic coil, and the deformation of a measured object is measured in the magnetic field. Background technique [0002] With the development of new material forming methods, such as the application of technologies such as 3D printing and composite material synthesis, magnetron deformation smart materials have gradually shown application prospects in many fields. Especially in the field of biomedicine, magnetron deformation materials can be used to make built-in mechanical devices in living organisms. For example, magnetic control switches, magnetic control grippers, magnetic control robots, etc. In order to test the magnetron device in vitro and simulate the in vivo environment of the organism, developers need to control the magnetic field through a dedicated test bench, and make the material to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/72G01N19/00G01M13/00
CPCG01N27/72G01N19/00G01M13/00
Inventor 崔树森吴文征柳溪林王静
Owner JILIN UNIV
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