초록 ▼

An air and water supply apparatus for an endoscope having an elongated insert part and a control part connected to the proximal end of the insert part, comprising a cylinder provided in the control part, a pair of first air and water tubes for supplying air and water, respectively, into the cylinder

An air and water supply apparatus for an endoscope having an elongated insert part and a control part connected to the proximal end of the insert part, comprising a cylinder provided in the control part, a pair of first air and water tubes for supplying air and water, respectively, into the cylinder, a pair of second air and water tubes for sending air and water, respectively, to the distal end of the insert part from the cylinder, a water supply switching valve slidably fitted in the cylinder to change the condition of communication between the first and second water tubes, and an air supply switching valve slidably fitted in the water supply switching valve to change the condition of communication between the first and second air tubes, whereby the first air tube and the second water tube are communicated with each other by pushing both the water and air supply switching valves into the cylinder or by pulling the air supply switching valve in the direction in which it is drawn out of the cylinder. Thus, air is sent into the second water tube from the first air tube to purge the water remaining in the second water tube.

대표청구항 ▼

An air and water supply apparatus for an endoscope having an elongated insert part and a control part connected to the proximal end of said insert part, comprising: a cylinder provided in said control part; a pair of first air and water tubes for supplying air and water, respectively, into said cyli

An air and water supply apparatus for an endoscope having an elongated insert part and a control part connected to the proximal end of said insert part, comprising: a cylinder provided in said control part; a pair of first air and water tubes for supplying air and water, respectively, into said cylinder; a pair of second air and water tubes for sending air and water, respectively, to the distal end of said insert part from said cylinder; a water supply switching valve slidably provided in said cylinder to change the condition of communication between said first and second water tubes; and an air supply switching valve provided in said cylinder so as to be slidable in the same direction as the direction of slide of said water supply switching valve to change the condition of communication between said first and second air tubes, whereby said first air tube and said second water tube are communicated with each other by both said water and air supply switching valves sliding into said cylinder.