Measurement method of tip power of microwave ablation antenna
A technology of microwave ablation and measurement method, which is applied in the direction of electric power measurement by thermal method, which can solve problems such as medical mistakes or accidents, different power, incomplete ablation, etc., and achieve the effect of data science and error reduction
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[0037] In this embodiment, the microwave ablation experiment is carried out in a large enough imitation tissue phantom. The present invention adopts an axisymmetric microwave antenna, which can ensure that the spatial temperature fields are aligned along the microwave antenna axis.
[0038] This measurement process is based on the microwave generator providing ablation energy, which is then transmitted to the microwave ablation antenna through the transmission line and applied to the tissue. The microwave generator selected for this measurement is the MTC-3 type microwave generator produced by Nanjing Qinghai Microwave Electronics Research Institute. The microwave generator can generate microwaves of 2450±50MHz and output adjustable power of 0-100w. , The antenna is launched by slot, the slot width is 1.5mm, and the distance from the front end is 13mm. The microwave system is equipped with a low-loss coaxial cable transmission line connected to a rigid microwave radiating ante...
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