Patent ID: 11918228
Assignee: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A left atrial appendage (LAA) occluder, comprising
a sealing portion and a fixing portion connected to the sealing portion,
wherein the LAA occluder further comprises one or more sealed seed sources encapsulated with radioactive particles,
wherein the sealing portion comprises a sealing disc and a balloon having an open end, a proximal end of the sealing disc is provided with a hollow proximal connector, the balloon is located inside the sealing disc, and the open end is sleeved at a distal end of the hollow proximal connector;
wherein the sealed seed sources are arranged on the sealing portion and/or the fixing portion and used to form an annular isolation band on an inner wall of an LAA after the radioactive particles are released, and the annular isolation band is used to block the electrical signal conduction between the LAA and a left atrium.