Left auricle plugging device
A technology of occluder and occluder disk, which is applied in the field of medical devices, can solve the problems of occluder lack of occluder disk, low tension of cage structure, damage to left atrial appendage endothelium, etc., to reduce the risk of fistula around the device, It is not easy to fall off and slip, and the effect of reducing the difficulty of operation
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[0025] The present invention will be described in detail below in conjunction with the drawings.
[0026] The left atrial appendage occluder 1 is composed of a blocking umbrella 2, an elastic column 3, a blocking disk 4, a disk-column connecting piece 9 and a threaded connecting piece 11. The structure of the blocking umbrella 2 and the blocking disk 4 in the left atrial appendage occluder is formed by braiding and heat treatment of nickel-titanium alloy wire. The overall frame is soft and easy to transport, release and position. The umbrella surface of the blocking umbrella 2 and the disk surface of the blocking disk 4 are covered with a dense omentum 12 made of polytetrafluoroethylene wire that can only pass through blood. figure 1 ).
[0027] The blocking umbrella 2 of the present invention has a concave umbrella-like structure. The blocking umbrella 2 includes an inner umbrella 5, an outer umbrella 6, an inner and outer connecting piece 7, and a fixed barb 20. The inner umbrel...
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