Fistula catheter and fistula catheter set

Details Fistula catheter and fistula catheter set Fistula catheter and fistula catheter set

A - Human Necessities

61

J

A61J 15/00 (2006.01) A61M 25/02 (2006.01) A61M 39/24 (2006.01)

Patent

CA 2665296

A fistula catheter with a simple structure and with which it is possible to suppress irritation of the wall of the alimentary canal, and a fistula catheter set. A fistula catheter A which is fitted in fistulae formed in a patient's abdominal wall and stomach wall consists of an external retention part which is disposed on the abdominal wall surface side of the fistula, and a tubular part. The tubular part is arranged such that the base end part thereof links with the external retention part, and the tip end part thereof extends from the fistulae into the stomach. The tubular part is formed as a flexible helix. Furthermore, the tip end part of the tubular part projects to the inner periphery of the helix. In addition, the angle between the central axis 'a' of the external retention part and the central axis 'b' of the helical tubular part is set to be smaller than a right angle.

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