Patent ID: 11883033
Assignee: SHANGHAI PUSH MEDICAL DEVICE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. The LAA occluder according to claim 8, wherein
the resistance member comprises a first resistance washer and a second resistance washer; an axial end of the first resistance washer is connected to the first gathering member, and the other end of the first resistance washer is zigzag; the second resistance washer is slidably sleeved outside the connecting portion; an end of the second resistance washer away from the plugging portion is provided with a spring, and the other end of the second resistance washer is zigzag; and in the connected state, the first resistance washer presses the second resistance washer along the axial direction, the spring is compressed axially under a pressure of the second resistance washer, and the zigzag end of the first resistance washer is engaged with the zigzag end of the second resistance washer;
or,
the resistance member comprises an internal threaded tube; in the connected state, the internal threaded tube is sleeved outside the first gathering member and the connecting portion; and
external threads matched with the internal threaded tube are respectively provided on a surface of the first gathering member and a surface of the connecting portion.