David E. Barlow,Takayasu Mikkaichi,Kensei Nakahashi,Hironobu Kawano,Kunihide Kaji
申请号：
US11652954
公开号：
US08540621B2
申请日:
2007.01.12
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A medical retainer is provided capable of independently controlling supplying air and water to a hollow organ like a stomach and a lumen of a small intestine. The medical retainer for sealing a fluid, the retainer being subject to be retained in a gastrointestinal tract of a patient, the medical retainer includes: a sealing section for sealing the fluid, the sealing section making contact with a wall of the gastrointestinal tract a main body having passageways and directional valves disposed in the passageways for allowing one of upward flow and downward flow of the fluid relative to the position of the retainer.
