Claims
- 1. The air and water supply system for endoscopes comprising:an air channel for supplying air to the distal end of the endoscope; a water channel for supplying water to said distal end of the endoscope; an air supply pump for performing said air supply; a water supply pump for performing said water supply independently from said air supply pump; and a control section for controlling air flow and water flow rates individually by controlling said air supply pump and said water supply pump; a first connecting pipe for connecting said air channel and said water channel; and an open-close valve for opening and closing said first connecting pipe, wherein said control section supplies air to said water channel.
- 2. The air and water supply system for endoscopes comprising:an air channel for supplying air to the distal end of the endoscope; a water channel for supplying water to said distal end of the endoscope; an air supply pump for performing said air supply; a water supply pump for performing said water supply independently from said air supply pump; and a control section for controlling air flow and water flow rates individually by controlling said air supply pump and said water supply pump; a second connecting pipe for connecting said water supply pump to a water channel to supply air; and an open-close valve for opening and closing said second connecting pipe, wherein said control section can supply air to said water channel by using two pumps.
- 3. The air and water supply system for endoscopes comprising:an air channel for supplying air to the distal end of the endoscope; a water channel for supplying water to said distal end of the endoscope; an air supply pump for performing said air supply; a water supply pump for performing said water supply independently from said air supply pump; and a control section for controlling air flow and water flow rates individually by controlling said air supply pump and said water supply pump; a third connecting pipe for connecting said air supply pump to the water channel to supply water; and an open-close valve for opening and closing said third connecting pipe, wherein said control section supplies water to said water channel by using two pumps.
- 4. The air and water supply system for endoscopes according to claim 3, comprising an injection channel, apart from said water channel, for injecting water to objects under observation, said injection channel being connected to a third connecting pipe to allow water to be supplied to said injection channel with two pumps.
- 5. An air and water supply system for endoscopes comprising:an air channel for supplying air to the distal end of the endoscope; a water channel for supplying water to said distal end of the endoscope; an air supply pump for performing said air supply; a water supply pump for performing said water supply independently from said air supply pump; and a control section for controlling air flow and water flow rates individually by controlling said air supply pump and said water supply pump; flow control means for variably controlling the flow rate of said air or water supply through said channel; a control switch for selecting the flow rate to be controlled by said flow control means and for performing said air supply or water supply; and a control section which controls said flow control means so as to supply air or water at a predetermined fixed flow rate for a specified time after said air supply or water supply operation is started by said control switch and then enable any flow rate specified by said control switch.
Priority Claims (5)
Number |
Date |
Country |
Kind |
10-89403 |
Mar 1998 |
JP |
|
10-89404 |
Mar 1998 |
JP |
|
10-100097 |
Mar 1998 |
JP |
|
10-100098 |
Mar 1998 |
JP |
|
10-100099 |
Mar 1998 |
JP |
|
Parent Case Info
This application is a Division of application Ser. No. 09/267,601, filed on Mar. 15, 1999 (now U.S. Pat. No. 6,309,347 issued Oct. 30, 2001.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4402310 |
Kimura |
Sep 1983 |
A |
5343855 |
Iida et al. |
Sep 1994 |
A |