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Embedded type device and method for performing magnetic stimulation to nervous tissue by using micro-coil

A nerve tissue and micro-coil technology, applied in the field of nerve magnetic stimulation, can solve problems such as not being well solved, and achieve the effect of enhancing long-term effect and reducing rejection reaction.

Inactive Publication Date: 2008-10-15
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In summary, although researchers are trying to find solutions to the nerve-electric interface from the aspects of biocompatibility of electrode materials, electrode physical / chemical modification, etc., in order to improve the reliability and effectiveness of implantable nerve electrical stimulation, but At present, this problem has not been well resolved

Method used

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  • Embedded type device and method for performing magnetic stimulation to nervous tissue by using micro-coil
  • Embedded type device and method for performing magnetic stimulation to nervous tissue by using micro-coil

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Embodiment Construction

[0023] Such as figure 1 As shown, the nerve magnetic stimulation method based on the microcoil involved in the present invention is to implant the microcoil 2 into the nerve tissue 1 that needs to be stimulated, and the stimulating current passes through the microcoil 2 to generate a magnetic field, and the magnetic field generates an induced current in the nerve tissue 1 The excitatory mode of the neurons will be adjusted, thereby realizing the magnetic stimulation of the nerve tissue 1 . The stimulating current generating device 5 generates stimulating current, flows into the microcoil 2 through the stimulating current loop outlet 3, and then returns to the stimulating current generating device through the stimulating current loop inflow end 4 to form a current loop. It not only avoids the rejection reaction caused by the stimulating current entering the nerve tissue, but also stimulates the nerve tissue through the magnetic field generated by the microcoil.

[0024] An exa...

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Abstract

The invention relates to an implantable type neural magnetic stimulation device and a method. A micro-coil is embedded into nervous tissues; stimulative current output from an electric stimulation signal generator generates magnetic field around the micro-coil; the induced current of the magnetic field in the nervous tissues around the micro-coil is utilized to adjust the electrical excitation mode of nerve cells around the micro-coil; the magnetic stimulation is realized on the nervous tissues. The implantable type neural magnetic stimulation device comprises the electric stimulation signal generator, the micro-coil and a connecting wire. The device and the method are utilized to stimulate the nervous tissues, so that the stimulative current is prevented from directly injecting into the nervous tissues through a stimulation electrode, thereby reducing the rejective reaction of the nervous tissues to the stimulation electrode, and increasing the long work effectiveness of the embedded stimulation device.

Description

technical field [0001] The invention belongs to the technical field of nerve magnetic stimulation, and in particular relates to an implantable magnetic stimulation device and method for nerve tissue by using a microcoil. Background technique [0002] In recent years, implantable nerve electrical stimulation technology has been widely used in neurorestorative medical engineering, such as the treatment and control of Parkinson's disease, epilepsy, chronic pain, urinary incontinence, sexual function and movement, sleep, breathing, hearing and visual disorders The use of deep brain stimulation to control motor dysfunction in patients with Parkinson's disease and the use of cochlear implants to reconstruct hearing are important milestones in the practical application of nerve electrical stimulation technology. [0003] The basic principle of electrical nerve stimulation is to use electrodes implanted in the body to inject stimulating current into the nerve tissue to regulate the ...

Claims

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Application Information

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IPC IPC(8): A61N2/02
Inventor 侯文生吴小鹰郑小林阴正勤杨军廖彦剑王星胡宁
Owner CHONGQING UNIV
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