Ablation catheter having pressure detecting function
An ablation catheter and functional technology, which is applied in the parts of surgical instruments, medical science, heating surgical instruments, etc., can solve the problems of small strain count value, affecting the measurement effect, and easy to cause fatigue, etc., so as to achieve proper elasticity and good detection effect , good effect of precise positioning
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Embodiment 1
[0051] In this embodiment, the application of the ablation catheter where the elastic body 5 is located is as follows: figure 1 , when the terminal electrode on the catheter (installed at the end of the catheter through the elastic body 5) is attached to the human tissue 14, the terminal electrode is bent relative to the catheter, and the elastic body 5 is deformed. This embodiment involves a pressure detection ablation Catheter, the distal end of the ablation catheter includes an elastic body 5 and a pressure sensor 7, (the elastic body 5 is a circular tube structure), and the elastic body 5 is a tubular structure, which includes a section A and a section B (such as Figure 4 , 5 , where A section is A section A51, which is the part of the elastic body 5 that contains the hollow groove A53, such as Figure 5 , section B is the part below section A A51 that is not provided with the hollow groove A53), the section A A51 is provided with a hollow structure that increases elasti...
Embodiment 2
[0060] like Figure 9 , 10 The structure of the ablation catheter in this embodiment is different from that of Embodiment 1 in that the elastic body 5 is divided into A sections B52 and B sections, and a hollow groove B54 is set on the A section B52 (the width of the hollow groove B54 is 0.05mm-0.40mm, and the hollow groove B54 is hollowed out. The length of the groove area is 1mm-5mm, that is, the length of the A section B52). The hollow structure on the A section B52 forms a number of hollow parts 15 along the edge of the B section. The diameter of the hollow parts 15 is larger than that of the other parts of the hollow structure. ,like Figure 10 , 11 , compared with the slender groove body in the hollow groove B54 that extends smoothly upward in a spiral shape, the hollow part 15 in the hollow groove B54 is a relatively large space, there are three in total, and the elastic bodies 5 are adjacent in the radial direction. 120° arrangement, so that the length of the connec...
Embodiment 3
[0062] like Figure 13 , The structure of the ablation catheter in this embodiment is different from that of Embodiment 1 in that the hollow structure includes a plurality of hollow grooves which are arranged independently of each other and whose hollow parts are continuous, and the hollow grooves are elongated and arranged axially along the elastic body 5 ( A linear hollow slot), which is different from the spirally arranged hollow slot A53 and hollow slot B54, the elastic body 5 is also a round tube structure, and all the hollow slots have the same shape.
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