Patent ID: 6261227
Filing Date: 2001-07-17
Classification: A61B,A61M

Abstract:
An air feeding device for endoscope system in which air is compressed in a sealed space and discharged from an outlet of a tube connected to the sealed space, comprising:a pressure sensor that detects a pressure of the air in the sealed space;a pressure adjusting system that adjusts the pressure of air in the sealed space;a pressure setting device through which an operator is capable of setting a target discharge pressure representing a discharge pressure to be obtained;a memory storing a relationship between a target discharge pressure and a pressure in the sealed space; anda pressure controller that controls said pressure adjusting system in accordance with the air pressure detected by said pressure sensor, said target discharge pressure set by said pressure setting device and the relationship stored in said memory;wherein said relationship includes an approximate expression, said pressure controller determining the pressure in the sealed space in accordance with said approximate expression.