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A kind of deep brain stimulation cannula electrode and its surface roughening random biomimetic microtexture preparation method

A technology of electrode surface and micro-texture, applied in the direction of internal electrodes, head electrodes, electrodes, etc., can solve the problems of large friction force and brain tissue damage, reduce friction area, reduce puncture damage, and reduce puncture friction force effect

Active Publication Date: 2022-06-24
YANTAI UNIV
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Problems solved by technology

[0006] Aiming at the problem that the friction force between the cannula electrode and the brain tissue is large in the prior art, and the brain tissue will be damaged during the puncture process, a random biomimetic micro-tissue that stimulates the cannula electrode and its surface roughness for deep brain stimulation is provided. Preparation method

Method used

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  • A kind of deep brain stimulation cannula electrode and its surface roughening random biomimetic microtexture preparation method
  • A kind of deep brain stimulation cannula electrode and its surface roughening random biomimetic microtexture preparation method
  • A kind of deep brain stimulation cannula electrode and its surface roughening random biomimetic microtexture preparation method

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[0031] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the accompanying drawings only show some but not all of the parts related to the present invention.

[0032] see Figure 1-Figure 4 , This embodiment provides a method for preparing a random bionic microtexture for surface texture of a sleeve electrode for deep brain stimulation.

[0033] like figure 1 , 2 As shown, the parameters such as material, length, outer circle and inner hole diameter of the cannula electrode targeted by this m...

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Abstract

The invention discloses a method for preparing a deep brain stimulating cannula electrode and its surface textured random bionic microtexture. The preparation method is carried out on a micro electric discharge machine tool. A spindle head, a workbench and a lifting device, the tool electrode is a cuboid metal block, and the preparation method is aimed at a cylindrical hollow sleeve electrode made of stainless steel with a smooth surface. Beneficial effects of the present invention: the cannula electrode processed by this method has a random bionic micro-texture with roughened surface, which not only does not affect its original guiding function, but also can store cerebrospinal fluid and reduce the effective interaction between the cannula electrode and brain tissue. The friction area can reduce the puncture friction force, and can reduce the degree of deformation of the brain tissue during the puncture process; the pit microstructure formed by surface roughening randomly overlaps and communicates with each other to form capillaries, and it is easier to capture lubricant by capillary action, reducing the size of the cannula. Puncture injury to brain tissue by electrodes.

Description

technical field [0001] The invention belongs to the technical field of deep brain stimulation puncture intervention, in particular to a method for preparing a random bionic micro-texture of a deep brain stimulation sleeve electrode and its surface textured. Background technique [0002] With the aggravation of population aging and the increasing pressure of human life and work, more and more patients present with deep brain diseases, resulting in dysfunction of certain neural nuclei deep in the brain, manifested as a series of behaviors, will, recognition Intellectual, emotional and other mental activity disorders, which seriously threaten the physical and mental health of human beings. [0003] Deep brain stimulation is an effective way to treat these conditions. During the implementation of the operation, the cannula electrode will puncture the brain tissue with a long path, so as to realize the positioning of the needle tip of the stimulating electrode to the target poin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H9/00A61N1/05
CPCB23H9/008A61N1/0534
Inventor 李岩周耀张风雨张远方王志贤葛晓晖张文超李文卓
Owner YANTAI UNIV
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