Types and characteristics of microwave therapy microwave source

Microwave applications in clinical medicine focused on two areas in microwave and microwave surgical treatments.Microwave is a high frequency electromagnetic waves,with microwave transmission,to transmit electrical energy is converted to microwave energy.

Under the circumstances to divide the microwave source,microwave source through the magnetron,transistor (solid source),integrated circuits (ie,solid-state modules).Common use microwave apparatus mainly magnetron microwave apparatus device.Such instruments Restricted microwave generating device,and its frequency is basically 2450MHz,need more than a thousand volts of high pressure to work properly.Larger instrument power consumption.In clinical practice,we found that the higher microwave frequencies,the thermal penetration depth decreases on the body.Therefore,the magnetron microwave apparatus is mainly used in the surgical treatment of the instrument or superficial treatment.

Solid-state modules with high frequency stability,work in a safe voltage,low power consumption,long service life.But the main feature is the choice of microwave frequency of 433MHz,the penetration depth of the large,heated evenly.In the surface will be able to for a variety of deep tissue diseases effective treatment.



On this basis,the pulse modulation technique applied to the microwave apparatus,to further develop the advantages of microwave therapy to overcome the conventional microwave continuous output mode,continuous wave therapy surface temperature higher than the temperature of the treatment site,pulse wave and vice versa.The so-called pulse modulation techniques,i.e.,during treatment,the microwave output can be selected depending on the pulse frequency and the different parts of the case,to find an optimal microwave output mode.

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