Ablation Catheter Device
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United States of America Patent
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app pub date -
Oct 8, 2015
filing date -
Oct 11, 2014
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Abstract
An ablation catheter device (100) comprises a hollow catheter main body (102), an ablation mechanism (103) and a control mechanism. The ablation mechanism (103) comprises a support assembly (110) capable of being expanded and compressed radially, an end (120) and a plurality of modulation units. The support assembly (110) is provided between the distal end of the catheter main body (102) and the end (120). The modulation units are provided on the support assembly (110), and an axial through hole (122) is formed in the end (120). The control mechanism comprises a drawing wire (104) and a limit unit (118) fixed on the drawing wire (104). The drawing wire (104) axially extends through the catheter main body (102) and the through hole (122). The end (120) is provided between the support assembly (110) and the limit unit (118), and the outer diameter of the limit unit (118) is larger than the inner diameter of the through hole (122). The ablation catheter device (100) is suitable for a transfemoral coronary puncture intervention path, or is preferably suitable for a transradial coronary puncture intervention path. For some bent and complex artery blood vessels, the ablation catheter device (100) can reduce difficulty in adjustment and movement in the blood vessels, avoid damage to the blood vessels as much as possible, and improve the ablation effect.
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