CLIP FOR LEFT ATRIAL APPENDAGE ISOLATION Russian patent published in 2018 - IPC A61B17/122 

FIELD: medicine.

SUBSTANCE: invention can be used to isolate the left atrial appendage when surgically correcting atrial fibrillation in isolation or in combination with valvular pathology. A clip for left atrial appendage isolation contains a lock and working parts that are connected on one side by a curved bridge. The lock is made in the form of spring hooks made of non-magnetic stainless steel. Hooks are pressed at the ends of working parts from titanium tubes and have a possibility of engaging each other. The tubes are provided with the first coating of elastic polymer having an outer diameter of 1.3-1.5 mm and wall thickness of 0.2-0.4 mm. The bridge is made in the form of a tube-pressed spring made of non-magnetic stainless steel. The spring in the form of an open ring is connected by its ends with parallel straight rods. The working parts and the bridge are provided with the second coating in the form of a polyester thread braided knitted tube with a diameter of 4.5-5.5 mm, wall thickness of 0.7-0.8 mm.

EFFECT: reduced time required for reliable atraumatic block of the communication between the left atrium and its appendage with an effort, to exclude thrombosis which occurs as a result of poor isolation of the left atrial appendage.

1 dwg