Suction control unit for an endoscope
First Claim
1. A suction control unit for an endoscope having a channel, comprising:
- a tubular main body having a suction port in the side wall and a bore;
an inner tube located in the bore and having an internal hole communicating with the channel of the endoscope;
a sliding tube located slidably in the axial direction between said main body and said inner tube;
an operating lever having its proximal end portion secured at an upper position of said sliding tube and its distal end portion extending outward from said main body; and
passage switching means for connecting the suction port with the endoscope channel or the outside of said main body, when said operating lever is operated to move said sliding tube forward or backward in the axial direction.
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Accused Products
Abstract
In a suction control unit used with an endoscope having a channel, a tubular main body has a suction port in the side wall and a bore and in the bore, an inner tube with a through hole communicating with the channel of the endoscope is installed. A sliding tube is located slidably in the axial direction between the main body and the inner tube. The proximal end portion of an operating lever is secured at an upper position of the sliding the tube while the distal end portion extends outside the main body. This suction control unit is equipped with passage switching unit to connect the suction port with the endoscope channel or the outside of the main body through a relief port when the operating lever is operated.
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Citations
8 Claims
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1. A suction control unit for an endoscope having a channel, comprising:
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a tubular main body having a suction port in the side wall and a bore; an inner tube located in the bore and having an internal hole communicating with the channel of the endoscope; a sliding tube located slidably in the axial direction between said main body and said inner tube; an operating lever having its proximal end portion secured at an upper position of said sliding tube and its distal end portion extending outward from said main body; and passage switching means for connecting the suction port with the endoscope channel or the outside of said main body, when said operating lever is operated to move said sliding tube forward or backward in the axial direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification