Conveying device for atrial septal defect occlusion
A technology of atrial septal defect and delivery device, which is applied in the field of medical devices, can solve problems such as inability to achieve reflux, poor delivery effect of occluder, achieve improved sealing effect, solve leakage defects, and facilitate production and processing
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[0031] A delivery device for atrial septal defect closure, comprising a long catheter 1, the long catheter 1 is a hollow structure, and the two ends of the long catheter 1 pass through, one end of the long catheter 1 is fixedly connected with a leak-proof joint 2, and adopts a double thread structure , to play a better leak-proof effect, the rear end of the leak-proof joint 2 is connected with the conversion joint 3 communicating with the long conduit 1 through the connecting pipe, and the inner core 4 of the long conduit 1 is plugged with a free movement , the inner core 4 is a hollow structure, and the inside of the inner core 4 is inserted with a pressure guide wire 11, the pressure guide wire 11 can measure the pressure and flow velocity at the target position, thereby helping to judge the release environment of the occluder, the inner core 4 It can slide horizontally inside the long conduit 1. The rear end of the conversion joint 3 is fixedly provided with a return joint 5...
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