Air and water supply system for endoscopes
First Claim
1. An air and water supply system for endoscopes comprising:
- a pump for supplying air and water to the distal end of an endoscope through an air channel and water channel;
a plurality of open-close valves installed on the air channel, water channel, and atmospheric escape channel connected to said pump; and
a flow control section which sets the air flow rate in said air channel and water flow rate in said water channel per unit time individually by controlling said open-close valves.
0 Assignments
0 Petitions
Accused Products
Abstract
The present invention provides a system for endoscopes which can supply air and water according to each application by regulating air and water flow rates independently. Although air and water may be supplied with one pump, the present invention controls air and water flow rates separately by using an air supply pump and water supply pump and by controlling a plurality of open-close valves installed, for example, on atmospheric escape pipes. The air channel and water channel are connected, for draining, by a first connecting pipe. If the air supply pump is used also for water supply and the water supply pump is used also for air supply, it is possible to supply air and water at a high flow rate fast enough even for high-speed water injection. If a fixed flow rate is used for a specified time at the start, specific operations can be simplified.
-
Citations
11 Claims
-
1. An air and water supply system for endoscopes comprising:
-
a pump for supplying air and water to the distal end of an endoscope through an air channel and water channel;
a plurality of open-close valves installed on the air channel, water channel, and atmospheric escape channel connected to said pump; and
a flow control section which sets the air flow rate in said air channel and water flow rate in said water channel per unit time individually by controlling said open-close valves. - View Dependent Claims (2, 3)
-
-
4. 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. - View Dependent Claims (5, 6, 7, 8)
-
-
9. An air and water supply system for endoscopes comprising:
-
a channel installed in the endoscope for supplying air and water to the distal end;
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.
-
-
10. An air and water supply system for endoscopes comprising:
-
an endoscope-side air or water feed tube installed in the endoscope;
a control-unit-side air or water feed tube installed in the channel control unit; and
a flexible connecting pipe which connects said endoscope-side tube and said control-unit-side tube and which is equal or superior to the air or water feed tube inside the endoscope in terms of resistance to deformation caused by internal pressure. - View Dependent Claims (11)
-
Specification