Delivery system for atrial shunt
A technology of a delivery system and a shunt, which is applied in the field of medical devices and can solve the problems of less delivery devices and the like
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Embodiment 1
[0039] Such as Figure 1-8 As shown, the delivery system 100 of the atrial shunt of this embodiment can help the atrial shunt 104 to pass through the "transseptal technique" technique (that is, insert the catheter into the right femoral vein, go up the inferior vena cava and enter the right atrium. Then insert the septum puncture and the catheter is passed into the left atrium) and sent to the atrial septum 105 for atrial decompression.
[0040] Specifically, the delivery system 100 of an atrial shunt is composed of a first sheath structure 101, a second sheath structure 102, and an inner core tube structure 103. The second sheath structure 102 is connected with the first sheath structure 101 and the inner core tube structure 103. A sheath structure 101 is used to puncture and ream the atrial septum, a second sheath structure 102 is used to constrict the atrial shunt 104, and the inner core tube structure 103 is connected to the atrial shunt 104 so that the atrial shunt 104 ca...
Embodiment 2
[0058] A delivery system for an atrial shunt in this embodiment differs from Embodiment 1 in that:
[0059] In this example, an atrial shunt catcher is added to the inner core tube structure 103, which can be used to help recover and replace the atrial shunt 104, and the catcher adopts a clamping method to catch and fix the atrial shunt 104.
[0060] For other specific structures and specific implementation steps, please refer to Embodiment 1.
Embodiment 3
[0062] A delivery system for an atrial shunt in this embodiment differs from Embodiment 1 in that:
[0063] In this example, the inside of the inner core tube 132 is changed to be hollow, and the wire harness end of the atrial shunt is loaded into the inner core tube 132 by hydraulic suction, and the atrial shunt 104 is released by liquid mechanical pressurization at the tail of the inner core tube 132 .
[0064] For other specific structures and specific implementation steps, please refer to Embodiment 1.
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