Multi-sensor deep hot probe

A deep and electrode technology, which is applied in the field of multi-sensing deep thermocoagulation electrodes, can solve the problems of high self-impedance, high heating of electrode conductors, inability to implement thermocoagulation treatment, etc., and achieve the effect of making up for technical defects

Inactive Publication Date: 2020-06-23
杭州普惠医疗器械有限公司
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  • Abstract
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Problems solved by technology

[0005] After implantation, when thermal coagulation treatment is performed on the lesion area, commercially available electrode products usually have high self-impedance and high self-heating of the electrode conductor, which affects the thermal coagulation effect to a certain extent, and may easily cause

Method used

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Experimental program
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Embodiment Construction

[0018] refer to figure 1 , the electrode contacts 1 are arranged in a straight line along the axial direction of the medical catheter 2, and there can be 1 to 20 groups of contacts with equal contact spacing. At the same time, a pressure sensor is placed at an opening at the front end of the medical catheter. pressure type. Through the pressure sensor, the position of the head end can be judged during implantation, and at the same time, the intracranial pressure of the patient can be monitored after the implantation is completed. Electrode contacts are made of biocompatible metal.

[0019] On one side of the medical catheter, a cerebral oxygen saturation sensor is also placed to monitor the patient's cerebral oxygen saturation after implantation.

[0020] figure 2 yes figure 1 The cross-sectional view of the electrode contacts in , preferably, four electrodes 11 , 12 , 13 , 14 uniformly distributed in the circumferential direction are used. The distribution number of the...

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Abstract

The invention relates to a multi-sensor deep hot probe. By adding multiple sensors including pressure sensors, temperature sensors, cerebral oxygen saturation sensors and the like on probe contacts and a medical catheter, multi-sensor monitoring can be realized during implantation and after implantation. Through the probe contacts arranged linearly in the direction of the medical catheter and arranged in a circumferential direction, after a lesion position is discovered, directional controllable-range thermal coagulation can be performed on the lesion position; the lead impedance of the probeis low; and the thermal coagulation effect is good.

Description

technical field [0001] The invention discloses a multi-sensing deep thermocoagulation electrode. By adding a variety of sensors at the electrode site, the process of implanting the electrode can be monitored, and signals such as intracranial pressure, temperature, and cerebral oxygen saturation can be collected after implantation. After the lesion is found, thermal coagulation can be performed on the lesion in a directional direction and within a controllable range. Background technique [0002] For special epilepsy cases such as intractable epilepsy, in addition to needing to implant electrodes to locate the lesion, it is also necessary to implement thermocoagulation treatment on the lesion. Usually, it is necessary to precisely control the temperature to achieve a small thermal coagulation range, and try to avoid functional damage. area or good tissue causing damage and impact. [0003] Commercially available deep thermocoagulation electrodes are usually implanted by mini...

Claims

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Application Information

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IPC IPC(8): A61B18/14A61B5/03A61B5/01A61B5/145
CPCA61B5/01A61B5/031A61B5/14542A61B5/6868A61B18/14A61B2018/00446A61B2018/00589A61B2018/00791
Inventor 刘勇朱润华
Owner 杭州普惠医疗器械有限公司
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