A kind of electrode manufacturing method for radio frequency hyperthermia instrument

Abstract

The invention relates to a method for manufacturing metal aluminum based electrodes, in particular to a method for manufacturing an electrode of a radio frequency thermal therapy instrument. The technical problem of electromagnetic field shielding of a metal electrode of a current thermal therapy instrument is solved. The method comprises the following steps of electrode machining and forming, alkali and acid liquid cleaning and polishing, anodic oxidation, insulation layer forming, electrochemical metal film plating, metal shielding layer forming, mask photoetching, wet etching metal film removing, wet etching alumina film removing, electromagnetic field radiant surface forming, mask photoetching, wet etching metal film removing, wet etching alumina film removing, electrode leading-out terminal manufacturing, radio frequency signal wire connecting through screws, shielded wire welding, metal shielding hood installing and electrode of radio frequency thermal therapy instrument forming. The metal aluminum based electrode with the electromagnetic field shielding function can be used in cooperation with the radio frequency thermal therapy instrument, an ultrasound thermal therapy instrument and a microwave thermal therapy instrument, the electromagnetic field intensity which is radiated by the electrode outwards is effectively reduced, the shielding effect of an electromagnetic field is improved, and the electrode of the radio frequency thermal therapy instrument has the advantages of being small in size and integrated, and suitable for clinical application.

Description

technical field [0001] The invention belongs to the field of electronic medical devices, and in particular relates to a metal aluminum-based manufacturing method with the characteristics of anodic oxidation, electrochemical coating, photolithography mask and wet corrosion. Background technique [0002] With the development and progress of clinical medicine and bioheat transfer, hyperthermia has become a more effective method of treating tumors after radiotherapy and chemotherapy. Tumor hyperthermia is to use the thermal effect of various heat sources such as radio frequency electromagnetic waves, microwaves or ultrasonic waves to heat the tumor area or the whole body to the effective therapeutic temperature range and maintain it for a period of time, so that the tumor tissue undergoes an immediate metabolic reaction, thereby causing tumor cell molecular hyperthermia. The structure is changed and the activity of lysosome is enhanced to achieve the purpose of killing tumor cel...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is in order to solve the following problems that the metal electrode of hyperthermia instrument exists: (1) the shielding effect of the metal electrode is not good; (2) the shielding method of the metal electrode is loaded down with trivial details;

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