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Multifunctional intracranial cortex electrode

An endothelial and multi-functional technology, applied in the field of medical equipment monitoring, can solve problems affecting diagnosis and treatment, EEG signal monitoring error, single function, etc., and achieve the effect of improving monitoring accuracy and diagnosis accuracy

Pending Publication Date: 2021-09-28
北京华科恒生医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the complexity of neural activity, only relying on a single EEG signal is prone to monitoring errors, which will affect the effect of diagnosis and treatment, and neuroelectrophysiological monitoring electrodes can only be used to monitor EEG signals, with a single function

Method used

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  • Multifunctional intracranial cortex electrode
  • Multifunctional intracranial cortex electrode
  • Multifunctional intracranial cortex electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] refer to figure 1 , when the sensing element is a semiconductor pressure sensor 3, the semiconductor pressure sensor 3 is distributed in multiple rows on the sheet substrate 1, and the semiconductor pressure sensor 3 is arranged between every two electrode points 2, and in each row Among them, the distance between the semiconductor pressure sensor 3 and two adjacent electrode points 2 is equal.

[0051] refer to figure 2 , in another possible implementation, the electrode point 2 can be a ring electrode point 2, the semiconductor pressure sensor 3 is embedded in the electrode point 2, and the lower surface of the semiconductor pressure sensor 3 is in contact with the lower surface of the electrode point 2 It is flush, so that after the application is implanted into the brain parenchyma, when monitoring brain waves and intracranial pressure, both the electrode point 2 and the semiconductor pressure sensor 3 can be easily attached to the cerebral cortex without mutual i...

Embodiment 2

[0056] When the sensing element is a flexible pressure sensor 4, the flexible pressure sensor 4 may be a rectangular sheet structure. The flexible pressure sensor 4 has high flexibility and sensitivity, and the flexible pressure sensor 4 is made by encapsulating functional nanomaterials, piezoelectric materials or hybrid micro / nano structures with highly flexible compounds. According to the signal transmission mechanism used by different manufacturing processes, it can be divided into piezoresistive, piezoelectric and capacitive pressure sensors.

[0057] In one possible implementation, refer to Figure 5 , the flexible pressure sensor 4 is distributed in multiple rows on the sheet substrate 1, the flexible pressure sensor 4 is arranged between every two electrode points 2, in each row, the flexible pressure sensor 4 is connected to the adjacent two electrode points 2 are equally spaced.

[0058] refer to Image 6 , the flexible pressure sensor 4 is spliced ​​with the sheet...

Embodiment 3

[0061] When the sensing part is a temperature sensor 5, refer to Figure 8 , the temperature and pressure sensors are distributed in multiple rows on the sheet substrate 1, the temperature and pressure sensors are arranged between every two electrode points 2, and in each row, between the temperature and pressure sensors and two adjacent electrode points 2 distances are equal.

[0062] In another possible implementation, refer to Figure 9 , the electrode point 2 can be an annular electrode point 2, the temperature and pressure sensor is embedded in the electrode point 2, and the lower surface of the temperature and pressure sensor is flush with the lower surface of the electrode point 2, so that after the application is implanted into the brain parenchyma, the When monitoring brain waves and intracranial pressure, both the electrode point 2 and the temperature and pressure sensor can be easily attached to the cerebral cortex without mutual influence.

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Abstract

The present application relates to a multifunctional intracranial cortex electrode. The multifunctional intracranial cortex electrode comprises a cortex electrode body and a sensing piece arranged on the sheet-shaped substrate, wherein the cortex electrode body comprises a sheet-shaped substrate, first connecting lines partially arranged in the sheet-shaped substrate body and electrode points arranged on the sheet-shaped substrate and connected with the first connecting lines, and the electrode points are arranged on the lower surface of the sheet-shaped substrate; and the sensing piece is connected with second connecting lines partially arranged in the sheet-shaped substrate. According to the multifunctional intracranial cortex electrode, the brain electrical signal and the brain temperature can be monitored at the same time, so that the monitoring precision of the neural activity and the diagnosis precision of the focus are improved, or the brain electrical signal and the intracranial pressure are monitored at the same time, so that the monitoring precision of the health condition of a patient with the critical nerve is improved.

Description

technical field [0001] The present application relates to the technical field of medical equipment monitoring, in particular to a multifunctional intracranial cortical electrode. Background technique [0002] Neuroelectrophysiological monitoring electrodes are widely used in the field of neurosurgery and cerebrospinal nerve function research. By attaching cortical electrodes to the cerebral cortex, electrical signals generated by neuronal activities in the brain can be collected, and the EEG signals become EEG after external processing. Diagrams to help doctors diagnose patients' conditions. However, due to the complexity of neural activity, only relying on a single EEG signal is prone to monitoring errors, which will affect the effectiveness of diagnosis and treatment, and neuroelectrophysiological monitoring electrodes can only be used to monitor EEG signals and have a single function. Therefore, whether it is clinical or scientific research, there is an urgent need for a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/293A61B5/37A61B5/01A61B5/00A61B5/03
CPCA61B5/293A61B5/37A61B5/01A61B5/4094A61B5/4082A61B5/031
Inventor 陈晗青安小广龙新云
Owner 北京华科恒生医疗科技有限公司