JP2004049699A - Washing adapter for endoscope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a washing adapter which can be easily mounted in an operating part. <P>SOLUTION: The washing adapter for an endoscope for connecting a plurality of cylinder ports of a duct formed in the endoscope to a washing system which can supply a washing liquid into the duct includes a coupling plate having a plurality of connectors, one end of each of which can be connected to the washing system and the other end of each of which can be connected to the cylinder port, and arranged in a row state, a cylinder port grasping unit which can grasp the plurality of the cylinder ports. and a slider slidable along an arrangement direction of the connectors provided at the coupling plate. The respective connectors have each a cylindrical shape including a spring wound on a shaft part. When the slider grasps the cylinder port, the slide is axially movable with respect to the coupling plate against a recoiling force of the spring. A spring constant of the spring of at least one connector is smaller than that of the spring of the other connector. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cleaning adapter for an endoscope, and more particularly to a structure of a connecting portion provided on a connecting plate of the cleaning adapter.
[0002]
[Prior art]
2. Description of the Related Art Generally, an endoscope used for observation, inspection, diagnosis and the like in a living body cavity has a plurality of conduits such as an air supply / water supply conduit and a suction conduit incorporated therein. For this reason, when cleaning and disinfecting the endoscope after use from sanitary detection, not only its outer surface but also the above various pipes are thoroughly cleaned and disinfected using the endoscope pipe washer. There is a need to.
[0003]
For this purpose, the cleaning adapter provided in the endoscope conduit washer used as a cleaning system is connected to the air / water supply cylinder and suction cylinder inlet provided in parallel with the endoscope operation unit. The pipes are simultaneously connected to the cylinder ports and supplied with a cleaning liquid (including a disinfecting liquid) from the cleaning system to simultaneously clean and disinfect the pipes.
[0004]
8A and 8B are configuration diagrams of a conventional cleaning adapter 10, in which FIG. 8A is a cross-sectional view of the cleaning adapter 10 from a vertical direction, and FIG. 8B is a view of the cleaning adapter 10 viewed from below.
[0005]
The cleaning adapter 10 mainly includes a sliding portion 14 provided with a cylinder opening grip portion 12 provided with a substantially U-shaped slit from the opening 12a to the closing portion 12b, and a horizontal direction with respect to the sliding portion 14. And a connecting plate 16 slidably mounted on the connecting plate 16. The connecting plate 16 is provided with an air / water cylinder cleaning connection 18 and a suction cylinder cleaning connection 20 movably in the vertical direction with respect to the connection plate 16.
[0006]
A first spring 24 having a spring coefficient α is wound around a first shaft portion 22 having a pipe through which a disinfecting liquid or the like is conducted, at the air / water supply cylinder cleaning connection portion 18, and the first spring 24 is wound around the first shaft portion 22. The spring 24 is provided between the connecting plate 16 and a first fixing member 26 provided on the shaft portion 22 for fixing one end of the first spring 24. An air supply / water supply cylinder which serves as an inlet of the air supply / water supply cylinder connected to the air supply / water supply pipe when the cleaning adapter 10 is mounted on the operation unit is provided below the first fixing member 26. In order to maintain airtightness with a mouth (not shown), for example, a first elastic member 28 such as a rubber packing made of silicon rubber is provided.
[0007]
Similarly to the air / water supply cylinder cleaning connection 18, the suction cylinder cleaning connection 20 has a second spring 32 having a spring coefficient β and a second spring 32 having a conduit through which a disinfectant or the like is conducted. The second spring 32 is provided between the connecting plate 16 and a second fixing member 34 provided on the shaft portion 30 for fixing one end of the second spring 32. In addition, a suction cylinder port (see FIG. 4) serving as an inlet of a suction cylinder connected to a suction pipe when the cleaning adapter 10 is mounted on an operation unit (not shown) is provided below the second fixing member 34. (Not shown), a second elastic member 36 such as a rubber packing made of silicon-based rubber is provided.
[0008]
When the cleaning adapter 10 is used for cleaning or the like, first, an air / water supply cylinder cleaning connection end 18a and a suction cylinder cleaning connection end 20a are connected to a cleaning system. Next, a flange (not shown) provided at each cylinder port serving as an inlet of each cylinder connected to the endoscope operation unit and the air supply / water supply pipeline and the suction pipeline connected to the endoscope operation unit. Then, the cylinder port gripping portion 12 is sandwiched, and the sliding portion 14 is slid with respect to the connecting plate 16 in the direction from the air / water cylinder cleaning connection portion 18 to the suction cylinder cleaning connection portion 20. The cleaning adapter 10 is mounted on the operation unit by holding the flange between the cylinder opening grip 12 and the fixing members 26 and 34. If such a cleaning adapter 10 is used, the air / water supply cylinder cleaning connection 18 and the suction cylinder cleaning connection 20 can be connected to the air / water supply cylinder port and the suction cylinder port in one operation. Work efficiency can be improved.
[0009]
[Problems to be solved by the invention]
However, in the conventional cleaning adapter 10, the spring coefficient α of the first spring 24 wound around the air / water cylinder cleaning connection 18 and the second spring wound around the suction cylinder cleaning connection 20. The spring coefficient β of the spring 32 is the same.
[0010]
For this reason, when the cleaning adapter 10 is mounted on each cylinder provided on the operation unit, the flange provided on the air / water supply cylinder port and the suction cylinder port are fixed to the cylinder port gripper 12 and the respective cylinder port holding parts. When clamping between the members 26 and 34, the same force is required to clamp the flange portions provided on both cylinder ports, so that extra force is required for mounting the cleaning adapter 10. became.
[0011]
As shown in FIG. 9, when the cleaning adapter 10 is mounted on the operation section 38 to increase the pressure of the cleaning liquid or the like, the protrusions of the elastic members 28 and 36 such as rubber packing provided on the shafts 22 and 30 are provided. There is also a problem that the part is disengaged from the cylinder ports 40a and 42a of the air / water supply cylinder 40 and the suction cylinder 42, and the cleaning liquid leaks.
[0012]
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the conventional endoscope cleaning adapter, and an object of the present invention is to provide a new and improved endoscope that can be easily attached to and detached from an operation unit. It is to provide a cleaning adapter for a mirror.
[0013]
Further, another object of the present invention is that even when the pressure of the cleaning liquid is increased during cleaning, the convex portion of the elastic member such as a rubber packing provided on the shaft portion comes off the air / water supply cylinder port and the suction cylinder port. An object of the present invention is to provide a new and improved endoscope cleaning adapter that does not require any cleaning.
[0014]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided a method for connecting a plurality of cylinder ports of a pipe formed in an endoscope to a cleaning system capable of supplying a cleaning liquid into the pipe. A cleaning plate for an endoscope, wherein one end is connectable to a cleaning system, and the other end is connected to a cylinder port. And a sliding portion slidable along the arrangement direction of the connecting portions provided on the connecting plate, and each connecting portion has a spring wound around a shaft portion. It has a cylinder shape and can move in the axial direction of the shaft with respect to the connecting plate against the restoring force of the spring when the sliding portion grips the cylinder opening. The spring coefficient of the endoscope is characterized in that the spring coefficient is smaller than the spring coefficient of the other connection spring. Data is provided.
[0015]
At this time, a shoulder for limiting the sliding range with respect to the connecting plate may be provided at one end of the shaft.
[0016]
When the cleaning adapter is mounted on a flange provided at a cylinder opening serving as an inlet of each cylinder connected to each of the pipes arranged in parallel with the endoscope operation unit, the cleaning adapter is provided on the connecting plate (126). By sliding the sliding portion (122) with respect to the connecting plate along the arrangement direction of the connecting portions (114, 116), the cylinder at the position where it is first gripped by the cylinder opening gripping portion (124). Although the flange portion (226) of the mouth (206a) is sandwiched between the cylinder mouth gripping portion (124) and the fixing member (146) provided on the shaft portion (142), by adopting such a configuration with the washing adapter, For example, by setting the spring coefficient of the connection portion connected to the cylinder port gripped by the cylinder port grip portion to be smaller than the spring coefficients of the other springs, the position where the cylinder port grip portion is first gripped by the cylinder port grip portion. To clamp the flange portion of the cylinder opening in the side, to be able sandwiched by a smaller force, easily, and it is possible to smoothly mount the operation unit.
[0017]
The distance from the lower end of the fixed member provided on the shaft portion to the convex portion provided on the elastic member is larger than the contracted length of the spring when the spring is in the most contracted state. It is also possible to provide a mirror cleaning adapter.
[0018]
If the pressure of the cleaning liquid is increased during cleaning, the spring is contracted by the pressure of the cleaning liquid overflowing from the cylinder pressing the fixed member fixed to the shaft. Thereby, even if the liquid pressure at the time of cleaning is increased, the convex portion of the elastic member does not come off from each of the cylinder ports provided in the endoscope operation section, thereby preventing the leakage of the cleaning liquid.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this specification and the drawings, components having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted.
[0020]
FIG. 1 shows an endoscope 200, an endoscope channel washer 100 that forms a cleaning system for cleaning a channel in the endoscope 200, and the endoscope 200 and the endoscope channel washer 100. FIG. 2 is an overall configuration diagram of a cleaning adapter 112 to be connected. A plurality of conduits (not shown) such as an air supply / water supply conduit and a suction conduit are incorporated in the endoscope 200, and the endoscope 200 is cleaned after use from a sanitary viewpoint. In this case, it is necessary to sufficiently clean and disinfect not only the outer surface of the endoscope 200 but also the above-mentioned various conduits using the endoscope conduit washer 100.
[0021]
As shown in FIG. 1, in an endoscope conduit washer 100 forming a cleaning system, a syringe 104 and a liquid feed tube 106 are connected via a pipe fitting 102 with a check valve. The branch tubes 110a and 110b are connected to the branch tubes 110a and 110b via the stopcocks 108. The distal ends 110a 'and 110b' of the branch tubes 110a and 110b are connected to the connection portion provided in the cleaning adapter 112. Cylinder cleaning connection portion 114 and end portions 114a and 116a of suction cylinder cleaning connection portion 116. Further, a suction tube 118 is branched from the pipe fitting 102 with a check valve, and a tip 120 of the suction tube 118 is inserted into a cleaning (disinfecting) liquid tank (not shown) storing a cleaning (disinfecting) liquid. Have been. A cleaning (disinfecting) liquid is supplied by reciprocating the injection cylinder 104, and the pipes are simultaneously cleaned (disinfected).
[0022]
(First Embodiment)
FIG. 2 shows the cleaning adapter 112 according to the first embodiment of the present invention serving as a plurality of cylinder ports arranged in a line in the endoscope operation unit 202, for example, an inlet of an air / water supply cylinder 204. FIG. 7A is a diagram illustrating an operation of connecting the air supply / water supply cylinder port 204a and the suction cylinder port 206a serving as an inlet of the suction cylinder 206, and FIG. (B) shows a state before the cleaning adapter 112 is attached to the operation unit 202 and the sliding unit 122 grips the flanges (not shown) of the cylinder ports 204a and 206a, and FIG. c) shows the cylinder port gripping state after the cleaning adapter 112 is attached to the operation unit 202 and the sliding unit 122 grips the flanges of the cylinder ports 204a and 206a. Here, the cleaning adapter 112 has in advance the distal ends 110a ', 110b' of the branch tubes 110a, 110b of the endoscope conduit washer 100, which is to be a cleaning system, for air / water supply provided in the cleaning adapter 112. The cylinder cleaning connection 114 and the suction cylinder cleaning connection 116 are connected.
[0023]
The endoscope 200 mainly includes an insertion section 208, an operation section 202, a universal code section 210, and a connector section (not shown). The air supply / water supply cylinder 204 provided in the operation unit 202 is connected to the front end side air supply line 212, the front end side water supply line 214, the connector side air supply line 216, and the connector side water supply line 218. The suction cylinder 206 is connected to the suction pipe 220 on the distal end side and the suction pipe 222 on the connector side. The distal end side suction pipe 220 is configured to join the forceps channel 223 on the way.
[0024]
First, as shown in FIG. 2A, a cleaning adapter 112 to which the distal ends 110a 'and 110b' of the branch tubes 110a and 110b of the endoscope conduit washer 100 to be a cleaning system are connected in advance is provided. The cleaning adapter 112 is connected to the endoscope 200 so that the air / water supply cylinder cleaning connection 114 and the suction cylinder cleaning connection 116 are connected to the air / water supply cylinder port 204a and the suction cylinder port 206a, respectively. To the operation unit 202.
[0025]
When the air / water cylinder cleaning connection 114 and the suction cylinder cleaning connection 116 are connected to the air / water cylinder port 204a and the suction cylinder port 206a, respectively, as shown in FIG. The sliding portion 122 provided on the cleaning adapter 112 is connected to the connecting plate 126 along the direction in which the connecting portions 114 and 116 provided on the connecting plate 126 are arranged. From the position where 206a is opened, the direction of the position where each cylinder port 204a, 206a is gripped by the cylinder port gripper 124, that is, from the air / water cylinder cleaning connection 114 in this embodiment to the suction cylinder cleaning connection 116. Move in the direction you are going.
[0026]
By moving the sliding portion 122 and gripping the cylinder ports 204a and 206a of the operation portion 202, the mounting of the cleaning adapter 112 on the operation portion 202 is completed as shown in FIG. The operation of gripping the cylinder ports 204a and 206a of the operation unit 202 by the sliding unit 122 of the cleaning adapter 112 will be described later.
[0027]
In order to describe the operation in each state of FIG. 2 and the configuration of the cleaning adapter 112 in more detail, an explanation will be given using enlarged cross-sectional views around the cleaning adapter 112 and FIGS. 3, 4, and 5. 3 is an enlarged view around the cleaning adapter 112 in FIG. 2A, FIG. 4 is an enlarged view around the cleaning adapter 112 in FIG. 2B, and FIG. 5 is a cleaning view in FIG. FIG. 3 is an enlarged view around an adapter 112. 3A to 5A are views of the cleaning adapter 112 of the present embodiment as viewed from above, and FIGS. 3B and 5B are vertical cross-sectional views of the cleaning adapter 112 of the present embodiment. () Is a view of the cleaning adapter 112 of the present embodiment as viewed from below.
[0028]
First, the configuration of the cleaning adapter 112 according to the present embodiment will be described with reference to FIG. The cleaning adapter 112 mainly includes a sliding portion 122 having a cylinder opening grip portion 124 and a connecting plate 126. The material of the cylinder-port gripping portion 124 is made of, for example, a plate material such as SUS, and has a shape such as a substantially U-shaped slit formed from the opening 124a to the closing portion 124b as shown in FIG. Is formed.
[0029]
In this embodiment, the sliding portion 122 and the cylinder opening grip portion 124 are formed integrally. The connection plate 126 is provided so as to be slidable in the horizontal direction with respect to the sliding portion 122. The connecting plate 126 is provided with an air / water feeding cylinder cleaning connecting portion 114 and a suction cylinder cleaning connecting portion 116 as connecting portions, which are vertically movable with respect to the connecting plate 126 so as to be arranged in a row. ing.
[0030]
As shown in FIG. 3 (b), a first spring 132 is wound around a first shaft portion 130 provided with a pipe 128 through which a cleaning liquid or the like flows, in the air / water supply cylinder cleaning connection portion 114. The first spring 132 is provided between the connecting plate 126 and a first fixing member 134 fixed to the shaft 130 for fixing one end of the first spring 132.
[0031]
Protrusions 114b and 114c are provided at one end 114a of the air / water supply cylinder cleaning connection portion 114, and are connected to the distal end 110a 'of the branch tube 110a of the endoscope conduit washer 100 serving as a cleaning system. Are configured to be difficult to come off.
[0032]
In addition, in order to maintain the airtightness with the air / water supply cylinder port 204a when the cleaning adapter 112 is attached to the operation unit 202, for example, a material made of silicon rubber is provided under the first fixing member 134. A first elastic member 136 such as a rubber packing is provided.
[0033]
Further, in this embodiment, the shaft portion 130 of the air / water cylinder cleaning connection portion 114 is provided at one end thereof with a first shoulder portion 138 for limiting a sliding range with respect to the connecting plate 126. Even when the first spring 132 is in the most contracted state by the first shoulder portion 138, the shoulder portion 138 provided on the shaft portion 130 is hooked on the connecting plate 126, so that the first portion provided on the lower portion of the fixing member 134 is provided. Withdrawal of the elastic member 136 from the air / water supply cylinder port 204a can be prevented.
[0034]
In the suction cylinder cleaning connection portion 116, a second shaft portion 142 having a conduit 140 through which a disinfecting liquid or the like is conducted is connected to a second shaft portion 142 having a smaller spring coefficient β ′ than a spring coefficient α ′ of the first spring 132. The second spring 144 is provided between the connecting plate 126 and the second fixing member 146 fixed to the shaft 142 for fixing one end of the second spring 144. Have been.
[0035]
Protrusions 116b and 116c are provided at one end 116a of the suction cylinder cleaning connection portion 116, and the connection with the distal end portion 110b 'of the branch tube 110b of the endoscope conduit washer 100 serving as a cleaning system is hard to be disconnected. It is configured to be.
[0036]
In order to maintain airtightness with the suction cylinder port 206a when the cleaning adapter 112 is attached to the operation unit 202, a rubber packing made of, for example, a silicon rubber is provided under the second fixing member 146. And the like, a second elastic member 148 is provided.
[0037]
Further, in the present embodiment, the shaft portion 142 of the suction cylinder cleaning connection portion 116 is provided at one end thereof with a second shoulder portion 150 for limiting a sliding range with respect to the connection plate 126. Even when the second spring 144 is contracted most by the second shoulder portion 150, the shoulder portion 150 provided on the shaft portion 142 is hooked on the connecting plate 126, whereby the second portion provided below the fixing member 146 is provided. Withdrawal of the elastic member 148 from the suction cylinder port 206a can be prevented.
[0038]
In addition, flange portions 224 and 226 are provided at the peripheral portions of the air / water supply cylinder port 204a and the suction cylinder port 206a provided in the endoscope operation section 202 to which the cleaning adapter 112 of the present embodiment is attached. Is provided.
[0039]
Next, the operation in the present embodiment will be described with reference to FIGS.
[0040]
First, as shown in FIG. 3, an air / water supply cylinder port 204a serving as an inlet of the air / water supply cylinder 204 and a suction cylinder port 206a serving as an inlet of the suction cylinder 206 are previously supplied to the cleaning system ( (Not shown), the air / water cylinder cleaning connection 114 and the suction cylinder cleaning connection 116 are respectively inserted.
[0041]
Next, as shown in FIG. 4, cylinders are provided in the flange portions 224 and 226 provided on the periphery of the air / water supply cylinder port 204 a and the suction cylinder port 206 a arranged in a row on the operation unit 202. The sliding portion 122 is moved from the cylinder opening position to the cylinder opening holding position along the direction in which the connecting portions 114 and 116 provided on the connecting plate 126 are arranged with respect to the connecting plate 126 so as to clamp the opening holding portion 124. , That is, in the direction from the air / water cylinder cleaning connector 114 on the closed side of the cylinder port gripper to the suction cylinder cleaning connector 116 on the cylinder port gripper opening side in this embodiment. Slide it.
[0042]
By sliding the sliding portion 122 with respect to the connecting plate 126, as shown in FIG. 5, the flange portions 224 and 226 of the cylinder ports 204a and 206a are connected to the cylinder port grip portion 124 and the fixing members 134 and 146, respectively. And sandwich it between. At this time, when the fixing members 134 and 146 are pushed, the springs 132 and 144 contract, and the restoring force of the springs 132 and 144 causes each of the cylinder ports 204a and 206a to pass through the fixing members 134 and 146. By pressing the flange portions 224 and 226, the cleaning adapter 112 is attached to the operation unit 202.
[0043]
At this time, the sliding portion 122 is moved with respect to the connecting plate 126 along the direction in which the connecting portions 114 and 116 provided on the connecting plate 126 are arranged. By sliding in the direction from the air / water supply cylinder cleaning connection portion 114 to the suction cylinder cleaning connection portion 116, the flange portion 226 provided on the peripheral portion of the suction cylinder port 206a and the cylinder port grip portion 124 It is sandwiched between fixing members 146.
[0044]
Further, in the present embodiment, the second spring wound around the suction cylinder cleaning connection 116 is smaller than the spring coefficient α ′ of the first spring 132 wound around the air / water cylinder cleaning connection 114. The spring coefficient β ′ of the spring 144 is reduced.
[0045]
For this reason, when the cylinder opening grip portion 124 is sandwiched between the flange portions 224 and 226, the connection portion at the position where the cylinder opening grip portion is gripped later, that is, the air / water supply cylinder cleaning connection portion. The connection side connected to the cylinder port at the position where it is first gripped by the cylinder port gripper, ie, the suction cylinder, with a smaller force than pushing the first fixing member 134 provided on the 114 side. The second fixing member 146 provided on the cleaning connection portion 116 side is pushed.
[0046]
Accordingly, by being attached with a smaller force to the cylinder port 206a of the operation unit 202 from the suction cylinder cleaning connection unit 116 side previously attached, and once attached to the operation unit 202 with a strong force, Attachment of the cleaning adapter 112 to the operation unit 202 becomes smoother and easier.
[0047]
(Second embodiment)
FIG. 6 is a diagram illustrating a state where the cleaning adapter 312 according to the second embodiment of the present invention is mounted on the operation unit 202.
[0048]
This embodiment is different from the first embodiment in that the shaft portions 330 and 342 of the sliding portion 122 are provided on the shaft portions 330 and 342 of the air / water cylinder cleaning connection portion 314 and the suction cylinder cleaning connection portion 316. Is not provided with a shoulder portion for limiting the sliding range at one end.
[0049]
However, as shown in FIG. 6, when the washing adapter 312 is attached to the operation unit 202, when the water pressure at the time of washing is increased, the fixing members 134 and 144 are pushed and the springs 132 and 144 are contracted most. In the cleaning adapter 312 of the present embodiment, the distance from the lower ends of the fixing members 134 and 146 provided on the shaft portions 330 and 342 to the convex portions 136a and 148a of the elastic members 136 and 148 is Since the springs 132 and 144 provided on the shafts 330 and 342 are larger than the contracted lengths, the protrusions 136a and 148a of the elastic members 136 and 148 provided on the shafts 330 and 342 are arranged in parallel with the operation unit 202. That is, the air supply / water supply cylinder port 204a and the suction cylinder port 206a are provided so as not to come off.
[0050]
For this reason, even if the shoulders that limit the sliding range of the shafts 330 and 342 with respect to the connecting plate 126 are not provided at one end of the shafts 330 and 342 as in the first embodiment, In the embodiment, even when the springs 132 and 144 are most contracted, the air supply / water supply cylinder ports in which the protrusions 136a and 148a of the elastic members 136 and 148 provided on the shafts 330 and 342 are arranged in parallel with the operation unit 202. Since the liquid does not come off from the suction cylinder 204a and the suction cylinder port 206a, it is possible to prevent the cleaning liquid from leaking even when the liquid pressure is increased during cleaning.
[0051]
Note that the present embodiment is the same as the first embodiment except for the above-described configuration and operation, and thus the description thereof will be omitted.
[0052]
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to such examples. It is obvious that a person skilled in the art can conceive various changes or modifications within the scope of the technical idea described in the claims, and those changes naturally fall within the technical scope of the present invention. It is understood to belong.
[0053]
For example, in the first embodiment of the present invention, since the operation unit is a cleaning adapter that is gripped and attached to two cylinder ports of an air supply / water supply cylinder port and a suction cylinder port, the connecting plate is provided. Although two connection parts for air supply / water supply and suction are arranged in a row, three or more connection parts are provided on such a connecting plate, so that three or more cylinder ports are provided in the operation part. It can also be applied to the cleaning of endoscopes equipped with.
[0054]
At this time, the spring coefficient of the spring provided in each connection portion is, for example, the minimum spring coefficient of the connection portion spring connected to the cylinder port at the position gripped by the cylinder port grip portion, A configuration in which the spring coefficient of the spring provided at the connection part connected to the cylinder port in the order in which it is gripped by the cylinder port grip part gradually increases, or at the position where the cylinder port grip part first grips The spring coefficient of the spring of the connection part connected to the cylinder port is minimized, and the spring coefficient of the spring provided on all other connection parts is the spring of the connection part at the position where the spring coefficient is first gripped by the cylinder port gripping part. The same effect as in the first embodiment of the present invention can be obtained by adopting a configuration in which the spring coefficients of the springs provided in all the connection parts are larger than the spring coefficient of the first embodiment. it can.
[0055]
The arrangement of the air / water supply cylinder port and the suction cylinder port is opposite to the arrangement of the air / water supply cylinder port and the suction cylinder port provided in the endoscope described in the first embodiment. In some cases, a similar effect can be obtained.
[0056]
Furthermore, in the present embodiment, the cleaning liquid is supplied from the cleaning system syringe to be used for cleaning the internal conduit of the endoscope. By inserting, it can be used for other purposes such as disinfection.
[0057]
【The invention's effect】
As described above, according to the present invention, when the cleaning adapter is attached to each cylinder port provided in the operation unit, the spring coefficient of the spring provided in each connection unit is conventionally the same. The same force is required to clamp the flange provided in the mouth, and extra force is used to attach the cleaning adapter, whereas the suction cylinder at the position where it is first gripped by the cylinder mouth gripper The cleaning adapter can be more easily and smoothly attached to the operation unit by holding the flange on the mouth side with the holding member on the cylinder mouth and the fixing member provided on the shaft with less force. Become.
[0058]
Further, according to the present invention, even when the liquid pressure is increased at the time of washing, the convex portion of the elastic member provided at each washing connection portion has an air / water feeding cylinder port arranged in parallel with the operation portion, and a suction port. Since the cleaning liquid does not come off from the cylinder ports, it is possible to prevent the liquid from leaking from each cylinder port even if the liquid pressure of the cleaning liquid is increased.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram of an endoscope conduit washer, an endoscope, and a cleaning adapter.
FIGS. 2A and 2B are diagrams illustrating an operation of attaching the cleaning adapter to the operation unit according to the first embodiment of the present invention, wherein FIG. 2A illustrates a state before the cleaning adapter is attached to the operation unit, and FIG. (C) shows a state before the cylinder port of the operation section is gripped by the cylinder port grip section of the adapter, and (c) shows a state after the cylinder port of the operation section is gripped by the cylinder port grip section of the cleaning adapter.
FIGS. 3A and 3B are enlarged cross-sectional views around the cleaning adapter of FIG. 2A, wherein FIG. 3A is a view as viewed from above, FIG. 3B is a vertical cross-sectional view, and FIG. FIG.
FIGS. 4A and 4B are enlarged cross-sectional views of the periphery of the cleaning adapter of FIG. 2B, wherein FIG. 4A is a view seen from above, FIG. FIG.
FIGS. 5A and 5B are enlarged cross-sectional views around the cleaning adapter of FIG. 2C, wherein FIG. 5A is a view from above, FIG. FIG.
FIG. 6 is a diagram illustrating a state where a cleaning adapter according to a second embodiment of the present invention is mounted on an operation unit.
FIG. 7 is a diagram illustrating a state in which a cleaning adapter according to a second embodiment of the present invention is mounted on an operation unit and a spring is most contracted.
8A and 8B are configuration diagrams of a conventional cleaning adapter, where FIG. 8A is a vertical cross-sectional view and FIG. 8B is a diagram viewed from below.
FIG. 9 is a view showing a state in which a conventional cleaning adapter is attached to an operation unit and a spring is most contracted.
[Explanation of symbols]
100 Endoscope channel washer
102 Piping device with check valve
104 syringe
106 Liquid feeding tube
108 Three-way stopcock
110a, 110b Branch tube
112,312 Cleaning adapter
114,314 Air / water cylinder cleaning connection
116,316 Suction cylinder cleaning connection
118 Suction tube
120 Tip
122 Sliding part
124 Cylinder port gripper
124a opening
124b closing part
126 connecting plate
128,140 pipe
130, 142, 330, 342 Shaft
132,144 spring
134,146 fixing member
136,148 Elastic member
138,150 shoulder
200 endoscope
202 Operation unit
204 Air / water supply cylinder
204a Air / water supply cylinder port
206 Cylinder for suction
206a Suction cylinder port
208 insertion section
210 Connector
212 Tip side air supply line
214 Water supply line at the tip
216 Air supply line on connector side
218 Connector side water transmission line
220 Tip suction line
222 Suction line on connector side
223 Forceps channel
224,226 flange

Claims (3)

A cleaning adapter for an endoscope for connecting a plurality of cylinder ports of a pipe formed in an endoscope to a cleaning system capable of supplying a cleaning liquid into the pipe, comprising:
A connection plate having one end connectable to the cleaning system and the other end connected to the cylinder port and having a plurality of connection portions arranged in a row;
A cylinder port gripper capable of gripping the plurality of cylinder ports, and a sliding part slidable along an arrangement direction of the connection parts provided on the connection plate;
Each of the connecting portions has a cylindrical shape in which a spring is wound around a shaft portion, and when the sliding portion is gripped by a cylinder opening, the connecting portion is pressed against the connecting plate against the restoring force of the spring. Movable in the axial direction of the shaft;
A cleaning adapter for an endoscope, wherein a spring coefficient of a spring of at least one connection part is smaller than a spring coefficient of a spring of another connection part. The endoscope cleaning adapter according to claim 1, wherein a sliding range restricting portion for the connecting plate is provided at one end of the shaft portion. In a state where the spring is most contracted, a distance from a lower end of the fixing member provided on the shaft to a convex portion provided on the elastic member is larger than a contracted length of the spring. The endoscope cleaning adapter according to claim 1.

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