Puncture perfusion needle, perfusion member and tumor radiofrequency ablation electrode tip
A technique of puncture perfusion and radiofrequency ablation, which is applied in the parts of surgical instruments, medical science, heating surgical instruments, etc., can solve the problems of not achieving the ideal ablation effect, affecting the effect of radiofrequency ablation treatment, and the energy that is difficult to coagulate tissues. Achieve the effect of reducing local recurrence rate, increasing the volume of ablation lesion, and regular shape
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[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0050] Such as Figure 1-3 Shown: the puncture perfusion needle (model: CC01), including the puncture needle body 1, the puncture needle body 1 is flat, and the two sides of the needle body are provided with a plurality of first outer arcs 1-1 along its length direction, from the needle head to the In the direction of the needle tail, the distance between the arc top of the first outer arc portion 1-1 and the axis of the needle body gradually increases.
[0051] The distance between the top of the first outer arc 1-1 closest to the head end of the puncture needle 1 and the axis of the needle is L1, and the arc top of the first outer arc 1-1 adjacent to it is closer to the needle body. The distance between the axes is L2, and the distances between the tops of the other two fir...
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