TIPS AND CHANNEL SYSTEMS AND METHODS OF THEIR USE Russian patent published in 2021 - IPC A61M25/00 

FIELD: medical equipment.

SUBSTANCE: group of inventions relates to medical equipment. The channel for transporting blood from the artery, vein or heart chamber to the perfusion pump contains a flexible near segment of the channel containing a tubular body of the near channel having a near end of the near channel and a far end of the near channel. The tubular body of the near channel forms a near channel gap between the near end of the near channel and the far end of the near channel. The far tip of the channel contains a tubular tip body having the near end of the tip and the far end of the tip. The tubular tip body forms a tip gap between the near end of the tip and the far end of the tip. The near end of the far channel tip is connected to the far end of the near channel of the near channel segment. The structure of the protective frame of the far channel tip contains a near ring connected to the far end of the near channel of the near channel segment, to the far channel tip, or to both of the far end of the near channel and the far channel tip, and one or more elongated ribs extending distally from the near ring to the zone farthest from the end surface of the far channel tip. Alternative embodiments of the channel for blood transportation and the perfusion system in which the mentioned channels are used are disclosed.

EFFECT: ensuring vasodilation and reducing the risk of thromboembolism.

42 cl, 108 dwg