Vein radiofrequency ablation device
The utility model discloses a vein radiofrequency ablation device, which comprises a push rod, a catheter and a catheter, the push rod is a hollow pipe fitting, a threading channel is arranged in the push rod, and two axial ends of the push rod are a far end and a near end which are opposite to each...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
06.06.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a vein radiofrequency ablation device, which comprises a push rod, a catheter and a catheter, the push rod is a hollow pipe fitting, a threading channel is arranged in the push rod, and two axial ends of the push rod are a far end and a near end which are opposite to each other; the handle is fixedly connected to the near end of the pushing rod; the heating element is located at the far end of the pushing rod, the heating element is a heating wire, the heating wire is made of a conductive memory material and is spirally wound to form a primary spring, and the primary spring has a preset state, and the primary spring is spirally wound to form a secondary spring on the whole; and in a stretching state, the secondary spring is relatively straightened. The diameter of the first-stage spring in the stretching state is small, the first-stage spring can be placed in a smaller blood vessel, in addition, the size of the heating element can be adaptively selected according to the diameter of |
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Bibliography: | Application Number: CN202222999808U |