JPH04336027A - Washing-fluid supplying adapter of endoscope - Google Patents

Abstract

PURPOSE:To provide a washing-fluid supplying adapter with versatility, and to facilitate the control of parts and handling thereof by enabling the adapter to be connected to a plurality of washing-fluid supplying ports of different diameters of an endoscope. CONSTITUTION:In a washing-fluid supplying adapter 30 connecting the washing- fluid supplying port of an endoscope with an injection cylinder 32 for supplying washing-fluid through the washing-fluid supplying port into the endoscope, a plurality of connecting parts 62, 64, and 66 of different diameters are integrally formed.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope cleaning fluid supply adapter, and more particularly to an endoscope cleaning fluid supply adapter that can be adapted to cleaning fluid supply ports of endoscopes having different diameters.

0002

[Prior Art] Endoscope cleaning is generally performed in the following steps: rinsing with water, immersion in a chemical solution, and rinsing with water. Cleaning devices that automate these steps are also commercially available and in use. Conventionally, endoscopes have been cleaned using, for example, a cleaning device as shown in FIG. That is, the cleaning device 10 in the figure
A tube 20 connects the plurality of cleaning liquid supply ports 14 and 16 of the endoscope 12 to a tank 18 for storing chemical solutions and water, and a syringe 22 provided in the middle of the tube 20 is used to inject water into the tank 18. The chemical solution and water in the syringe barrel 22 are taken into the syringe barrel 22, and a valve 24 is switched to supply the drug solution and water in the syringe barrel 22 into the endoscope 12 from the cleaning fluid supply ports 14 and 16 for cleaning. In addition, the plurality of cleaning liquid supply ports 14 and 16 of the endoscope 12 serve as valve installation ports for air and water supply, valve installation ports for suction, etc., and have different diameters depending on the respective valves. Therefore, to connect the tube 20 and each cleaning liquid supply port 14, 16, dedicated adapters 26, 28 are used depending on the respective diameters.

0003

However, in the conventional cleaning device 10 described above, when the tube 20 is connected to a plurality of cleaning liquid supply ports 14 and 16 having different diameters, it is difficult to determine the diameter of each cleaning liquid supply port 14 and 16. Since dedicated adapters 26 and 28 are used depending on the
The work of attaching the cleaning liquid supply ports 6 and 28 to the corresponding cleaning liquid supply ports 14 and 16 is complicated, and the device also has a complicated configuration. In addition, the washer 10 itself, especially the tube 2
There were problems in that it was difficult to clean the inside of the container and it was inconvenient to handle.

The present invention has been made in view of the above-mentioned conventional problems, and its purpose is to simplify the cleaning work by making it connectable to a plurality of cleaning liquid supply ports of different diameters of an endoscope. Another object of the present invention is to provide an adapter for supplying cleaning fluid for an endoscope, which has a simple structure and is easy to handle.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the endoscope cleaning fluid supply adapter of the present invention has a cleaning fluid supply port of the endoscope, and a cleaning fluid supply port of the endoscope that connects the cleaning fluid supply port to the endoscope. A cleaning fluid supply adapter for an endoscope that connects a cleaning device that supplies cleaning fluid to the endoscope, and which integrates a plurality of connecting parts with different outer diameters that fit into the plurality of cleaning fluid supply ports with different diameters. It is characterized by being formed.

[0006]

[Operation] According to the above configuration, among the plurality of connection parts having different outer diameters of the cleaning fluid supply adapter, a connection part suitable for each of the plurality of cleaning fluid supply ports having different diameters is connected to the cleaning fluid supply port. By fitting and connecting, it becomes possible to use one type of cleaning fluid supply adapter to correspond to a plurality of cleaning fluid supply ports having different diameters.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention is shown in FIGS. 1-3. In this embodiment, the endoscope cleaning fluid supply adapter 30 is connected to a syringe barrel 32 as a cleaning device, as shown in FIG.
and as shown in FIG.
, 40, 42, 44, etc., to clean the inside of the duct of the endoscope 34.

First, the outline of the pipe line of the endoscope 34 will be explained with reference to FIG. 3. A tube 46 connected to an air suction source is connected to a cleaning fluid supply port 36 formed in the endoscope body 48. From there, it is guided to the distal end of the endoscope 34. The distal end of the tube 46 from the cleaning fluid supply port 36 is connected to the cleaning fluid supply port 40 . Then, an air valve 50 is attached to the cleaning fluid supply port 36 to turn on (push) and turn off (release) air suction.
Through the cleaning fluid supply port 40, forceps or the like can be inserted or chemicals can be injected.

Further, tubes 56 and 58, which are connected to an air pump 52 on one side and a water tank 54 on the other side, are led to the distal end of the endoscope 34 through a cleaning fluid supply port 38, and the cleaning fluid is A switching valve 6 is provided at the supply port 38.
0 is attached to switch between supplying air and water. Furthermore, the cleaning fluid supply ports 42 and 44 are used for drainage, injection of chemical liquid, and the like.

[0010]The cleaning fluid supply ports 36, 38
, 40, 42, and 44, depending on their respective purposes, for example, the cleaning fluid supply ports 36, 38 have a large diameter, the cleaning fluid supply port 40 has a slightly smaller diameter, and the cleaning fluid supply ports 42, 44 have a larger diameter. It's getting smaller.

Therefore, in the embodiment, as shown in FIG.
8, 40, 42, 44 with different outer diameters,
By attaching the cleaning fluid supply adapter 30, which integrally includes the second and third connecting portions 62, 64, 66, to the distal end of the syringe barrel 32, each cleaning fluid supply port 36, 38
, 40, 42, and 44.

Specifically, the cleaning fluid supply adapter 30
is divided into a syringe barrel attachment part 68 and an endoscope connection part 70, and these syringe barrel attachment part 68 and endoscope connection part 70 are formed separately.
0 are screwed together to form a cleaning fluid supply path inside. The syringe barrel mounting portion 68 is removably fitted into the tip of the syringe barrel 32 in a one-touch manner. That is, the protrusions 68a formed vertically at the rear end of the syringe barrel mounting portion 68 are inserted through fitting holes provided on the left and right sides (in the case of FIG. 1) of the distal end of the syringe barrel 32 (not shown), and the injection is performed. It is fixed by rotating the tapered surface inside the cylinder 32 by about 45 degrees.

[0013] Furthermore, the outer circumferential surface of the endoscope connecting portion 70 is tapered toward the distal end, and the outer diameter gradually increases from the distal end side on the same axis across the axial direction of the outer circumferential surface. The first connection part 62, the second connection part 64, and the third connection part 6
6 is formed. The first connection part 6
2 is formed to have an outer diameter that can be connected to the cleaning fluid supply ports 42 and 44, and the second connecting portion 64 is formed to have an outer diameter that can be connected to the cleaning fluid supply port 40. And the third connection part 66
is formed to have an outer diameter that can be connected to the cleaning supply ports 36 and 38. In addition, the second connecting portion 64 and the third connecting portion 66
O-rings 72 and 74 are attached to these, respectively, to maintain a sealed state during connection. Furthermore,
The cleaning fluid supply adapter 30 has O-rings 72 and 74.
The entire structure, including the inside, is made of a transparent material such as synthetic resin, making it easy to detect debris inside.

In this way, the cleaning fluid supply adapter 30
In addition, a plurality of cleaning fluid supply ports 3 of different diameters of the endoscope 34 are provided.
6, 38, 40, 42, 44 are formed, and when cleaning the endoscope 34, as shown in FIG. The third connection portion 66 of the cleaning fluid supply adapter 30 is fitted to the fluid supply ports 36 and 38, and the cleaning fluid supply port 40
The second connecting portion 64 is fitted to the cleaning fluid supply ports 42 and 44, and the first connecting portion 62 is fitted to the cleaning fluid supply ports 42 and 44. Then, the cleaning liquid is applied to the endoscope 3 using the syringe barrel 32.
4, the cleaning process can be performed, and cleaning corresponding to all cleaning fluid supply ports 36, 38, 40, 42, and 44 is possible with one type of cleaning fluid supply adapter 30. . Therefore, there is no need to use dedicated adapters for the respective cleaning fluid supply ports 36, 38, 40, 42, and 44 having different diameters, and handling becomes easy.

Furthermore, since the syringe barrel 32 is used as a washer, there is no need for complicated handling unlike in the case of using a tube as in the past, and furthermore, the syringe barrel 32 and the cleaning fluid supply adapter 30 can be easily cleaned. It is something that can be done.

FIG. 4 shows another embodiment of the invention. The cleaning fluid supply adapter 80 in this embodiment has an adapter main body 82 integrally formed of a metal material, and first, second and third connection parts 84, 86, 88 on the endoscope connection side.
We are trying to form a Further, a rubber member 94 having sealing protrusions 90 and 92 is attached to the second and third connecting portions 86 and 88. Further, the adapter main body 82 is made of a rust-resistant material such as stainless steel, and the rubber member 94 is made of silicone rubber with high chemical resistance. Therefore, the durability of the cleaning fluid supply adapter 80 is improved. The other configurations and operations are the same as those of the above embodiment, so their explanation will be omitted.

FIG. 5 shows still another embodiment of the present invention. In this embodiment, the first, second and third connections 96,
98, 100 and second and third connecting portions 98, 100
The entire cleaning fluid supply adapter 106, including the sealing protrusions 102 and 104, is integrally molded from synthetic resin, thereby reducing costs and making it disposable. The other configurations and operations are the same as those of the above embodiment, so their explanation will be omitted.

[0018] In the above embodiment, the connection portion of the cleaning fluid supply adapter is provided in three stages, but the connection portion is not limited to this example, and may be two stages or four or more stages.

[0019]

[Effects of the Invention] As explained above, according to the present invention,
Since the cleaning fluid supply adapter has multiple connection parts with different outer diameters, it is easy to fit the connection parts that are compatible with each of the cleaning fluid supply ports with different diameters into the cleaning fluid supply port. If they are connected together, one type of cleaning fluid supply adapter can be used for a plurality of cleaning fluid supply ports having different diameters. Therefore, it becomes unnecessary to attach dedicated adapters for different diameters of the plurality of cleaning fluid supply ports, and it becomes possible to provide a cleaning device with a simple configuration and easy handling. Moreover, it has the effect of making it easier to clean the washer itself as in the conventional case.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a cleaning device equipped with an endoscope cleaning fluid supply adapter according to an embodiment of the present invention.

FIG. 2 is a sectional view showing a state in which an endoscope is cleaned using the cleaning device of FIG. 1;

FIG. 3 is a sectional view showing a state of the endoscope in FIG. 2;

FIG. 4 is a sectional view showing a cleaning fluid supply adapter for an endoscope according to another embodiment of the present invention.

FIG. 5 is a sectional view showing a cleaning fluid supply adapter for an endoscope according to still another embodiment of the present invention.

FIG. 6 is a perspective view showing a conventional endoscope in a cleaning state.

[Explanation of symbols]

30,80,106...Washing fluid supply adapter, 22,32...Syring barrel, 34...Endoscope, 36,38,40,42,44...Washing fluid supply port, 62,84,96...First connection Department, 64,
86, 98 ... second connection part, 66, 88, 10
0...Third connection part.

Claims (1)

[Claims] 1. A cleaning fluid supply adapter for an endoscope that connects a cleaning fluid supply port of the endoscope and a washer that supplies cleaning fluid from the cleaning fluid supply port into the endoscope. A cleaning fluid supply adapter for an endoscope, characterized in that a plurality of connecting portions having different outer diameters that fit into the plurality of cleaning fluid supply ports having different diameters are integrally formed.