Novel tumor cryoablation catheter
A technology for ablation of catheters and tumors, which is applied in the field of medical devices, can solve the problems of reducing the scope of application, lack of rigidity of the balloon, and easy deformation and folding of the balloon, so as to increase the effective freezing area, increase the freezing contact area, and strengthen the freezing effect Effect
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Specific embodiment one:
[0042] Such as figure 1 with figure 2 As shown, a novel tumor cryoablation catheter includes a balloon body 1 and a pipeline connected to the proximal end of the balloon body 1, the pipeline is coated with a heat insulation layer, and the pipeline includes an air inlet pipeline 2. The air return pipeline 3, the distal end of the air inlet pipeline 2 extends into the capsule 2, and the heat insulation layer forms a vacuum gap between the vacuum tube 4 and the pipeline to achieve heat insulation. The novel tumor cryoablation catheter of the present invention also includes a handle 8, an air inlet connector 5 sealedly connected to the proximal end of the air inlet pipe 2, an air return connector 6 sealedly connected to the proximal end of the air return pipe 3, and The proximal end of the vacuum tube 4 is hermetically connected to the vacuum connector 7, and the proximal end of the capsule 1 is hermetically connected to the return air line 3 and the dista...
Example Embodiment
Specific embodiment two:
[0048] Such as figure 2 , Figure 4a to Figure 6c As shown, a new type of tumor cryoablation catheter includes a balloon body 1, an air inlet pipe 2, a return air pipe 3, a vacuum pipe 4, a handle 8, an air inlet connector 5, which is hermetically connected to the proximal end of the air inlet pipe 2, An air return connector 6 hermetically connected to the proximal end of the air return line 3, a vacuum connector 7 hermetically connected to the proximal end of the vacuum tube 4, and the proximal end of the capsule 1 is connected to the air return line 3 and the vacuum tube The distal end part of 4 is hermetically connected, the vacuum tube 4 is located outside the air inlet pipeline 2 and the return air pipeline 3, the air inlet pipeline 2 is arranged outside the return air pipeline 3, the return air pipeline 3 is arranged in parallel with the air inlet pipe 2, the distal end of the vacuum pipe 4 is hermetically connected with the distal end of the air...
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