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

Claim 3:
4. The LAA occluder according to claim 1, wherein
the plugging portion comprises a fourth gathering member; and the fourth gathering member is provided at an end of the first support mesh away from the connecting portion;
the first support mesh comprises a plurality of elastic metal wires; the elastic metal wires are interweaved with each other to form a hollow cylindrical structure; two axial ends of the first support mesh are gathered, and are respectively sealed by the first gathering member and the fourth gathering member; the first gathering member and the fourth gathering member approach each other, such that two axial ends of the plugging portion are recessed; and the first gathering member is provided with a thread structure to match the connecting portion; or,
the plugging portion comprises support rods formed by engraving an elastic metal tube; and two axial ends of the plugging portion are gathered, and are respectively sealed by the first gathering member and the fourth gathering member; or, only an end of the plugging portion close to the connecting portion is sealed by the first gathering member, and the first gathering member is provided with a thread structure to match the connecting portion; or,
the plugging portion is a cylinder having two axial ends with basically same radial profiles.