JPH08117185A - Means for assisting insertion of brush for cleaning of endoscope - Google Patents

Abstract

PURPOSE: To provide a means for assisting the insertion of a brush for cleaning an endoscope which is simple in constitution, stays clean and is easily attachable and detachable to and from plural pipeline selector valves. CONSTITUTION: Plural brush guides 41, 42 to be inserted into cylindrical bodies 21, 31 of the plural pipeline selector valves 20, 30 are integrally formed in such a manner that these brush guides are simultaneously attached and detached to and from the plural cylindrical bodies 21, 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope cleaning brush insertion assisting tool for inserting a cleaning brush into a conduit of an endoscope.

[0002]

2. Description of the Related Art In order to prevent the occurrence of infection from patient to patient through an endoscope, after the endoscope is used, a fluid such as an air / water supply pipe line or a suction pipe line is passed. It is necessary to insert a cleaning brush to the inside of the pipe and clean it thoroughly by brushing.

Such a pipeline is connected to the cylinder body of the pipeline switching valve on the side of the operating portion, and the operation valve body for performing the switching operation is connected to the cylinder body so that cleaning and disinfection can be performed. It is configured to be removable.

Conventionally, after the endoscope has been used, the operation valve body is removed from each cylinder body of the air / water supply pipe line switching valve and the suction pipe line switching valve arranged in the operation portion, and instead, each pipe is replaced. A brush guide having a guide hole communicating with the passage is inserted into each cylinder body, and a cleaning brush is inserted into the pipe passage through the guide hole.

[0005]

According to the procedure described above, the inside of the conduit connected to the cylinder body can be surely brushed and cleaned, which can contribute to the prevention of infection between patients.

However, in order to insert the cleaning brush into the conduit via the guide hole, it is necessary to accurately regulate the mounting direction of the brush guide with respect to the cylinder body. Therefore, for example, it is necessary to form a direction regulating means composed of a protrusion and a groove, which not only complicates the structure, but also has a drawback that dirt and the like tend to get into it and become unclean.

Further, since the inside of the pipeline must be cleaned every time the endoscope is used once, the work of attaching the brush guides to each cylinder of the plurality of pipeline switching valves one by one is as follows. It is quite complicated and troublesome.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a brush insertion assisting tool for an endoscope, which has a simple structure and is less likely to become dirty, and which can be easily attached to and detached from a plurality of conduit switching valves. And

[0009]

In order to achieve the above object, the brush insertion assisting tool for an endoscope according to the present invention has a conduit for fluid passage connected so that its mouth is directed outward. In each of the above-mentioned pipelines of an endoscope in which a plurality of pipeline switching valves each having a cylinder body that opens in the open direction and an operation valve body that is detachably attached to the cylinder body are arranged side by side in the operating portion. A cleaning brush insertion assisting tool for cleaning the cylinder body, wherein the operation valve body is removed from each cylinder body, and instead, a brush guide having a guide hole communicating with the conduit is formed on each cylinder body. In the brush insertion aid for cleaning an endoscope adapted to be inserted into a plurality of brush guides, a plurality of brush guides to be inserted into the cylinder bodies of the plurality of conduit switching valves are integrally formed, and the brush guides are inserted into the plurality of brush guides. Same for cylinder body Characterized in that so as to be detachably attached to.

The plurality of brush guides inserted into the plurality of cylinder bodies may be elastically connected to each other, and the distance between the plurality of brush guides may be different from the distance between the plurality of cylinders.

A plurality of guide holes communicating with a plurality of conduits may be formed in the at least one brush guide.

[0012]

Embodiments will be described with reference to the drawings. FIG. 2 schematically shows the entire configuration of the endoscope, and an operation part 2 connected to the base end of the insertion part 1 has an air / water supply conduit for switching a conduit for air / water supply. Switching valve 20 and suction conduit switching valve 30 for switching conduit for suction
And are arranged side by side on the operation unit 2.

A cylinder for opening a mouth toward the outside of the operating portion 2 is connected to both the air supply / water supply conduit switching valve 20 and the suction conduit switching valve 30 so that a conduit for fluid passage is connected to them. Body 21, 31 and its cylinder body 21, 31
The operation valve bodies 22 and 32 are detachably provided.

The operation valve bodies 22 and 32 are respectively the cylinder body 2
1 and 31 are arranged so as to be movable back and forth in the axial direction and are urged outward, and by pushing the operation valve bodies 22 and 32 into the cylinder bodies 21 and 31, switching operation of air supply and water supply and A suction operation is performed.

The light guide connector 3 connected to the light source device is provided with inlet ends of an air supply pipe 4 and a water supply pipe 5 which receive supply of pressurized air and pressurized water from an external air supply and water supply device. The outlet ends of the air supply pipe 4 and the water supply pipe 5 are connected to the cylinder body 21 of the air / water supply pipe line switching valve 20. Further, the air supply pipe 6 whose outlet end is open at the tip of the insertion portion 1
And the inlet end of the water supply pipe 7 is connected to the cylinder body 21 of the air / water supply pipe line switching valve 20.

A forceps channel 8 for inserting a treatment instrument such as a biopsy forceps has an inlet arranged near the connecting portion between the insertion portion 1 and the operating portion 2, and an outlet arranged at the tip of the insertion portion 1. There is.

The forceps channel 8 is also used as a suction channel, and communicates with the cylinder body 31 of the suction channel switching valve 30 via the suction communication tube 9.
Further, one end of the suction pipe 10 connected to the external suction device is
The suction communication pipe 9 is connected for communication.

In FIG. 1, the operation valve bodies 22 and 32 are removed from the cylinder bodies 21 and 31 of the air / water supply pipeline switching valve 20 and the suction pipeline switching valve 30, and a brush guide 40 is attached instead. It shows the state.

Reference numerals 23 and 33 are fixing nuts for fixing the respective cylinder bodies 21, 31 to the operating portion 2, 24 and 34 are O-rings for sealing, and 25 is fixed to the operating portion 2 by the fixing nut 23. It is a substrate inside the operation part, and each cylinder body 2
Pipe lines 4,5,6,7,9,10 are connected to 1 and 31 at intervals with each other.

The brush insertion aid 40 is inserted into the air / water supply conduit brush guide 41 inserted into the cylinder body 21 of the air / water supply conduit switching valve 20 and the cylinder body 31 of the suction conduit switching valve 30. The suction conduit brush guide 42 is integrally formed at both heads by a connecting member 43 made of an elastic rubber material.

Therefore, the air / water supply conduit brush guide 4
1 and the suction conduit brush guide 42 are integrally attached to and removed from the cylinder body 21 of the air / water supply conduit switching valve 20 and the cylinder body 31 of the suction conduit switching valve 30.

The air / water supply conduit brush guide 41 is formed in such a size that it can be smoothly fitted into the cylinder body 21 of the air / water supply conduit switching valve 20, and the suction conduit brush guide 42 switches the suction conduit. Cylinder body 3 of valve 30
The brush guides 41 and 42 are made of metal or plastic.

The cylinder body 21 of the air / water supply line switching valve 20 and the cylinder body 31 of the suction line switching valve 30.
And the inner diameters are slightly different, and the outer diameters of the air / water feeding conduit brush guide 41 and the suction conduit brush guide 42 are also correspondingly different.

Therefore, contrary to the normal condition, the air / water supply conduit brush guide 41 is inserted into the cylinder body 31 of the suction conduit switching valve 30, and the suction conduit brush guide 42 is connected to the air / water conduit switching valve 20. Even if an attempt is made to insert it into the cylinder body 21, it cannot be done, so there is no risk of incorrect insertion.

The air supply / water supply conduit brush guide 41 has an inlet opening on the surface, and when it is inserted into the cylinder body 21 of the air supply / water supply conduit switching valve 20, the air supply pipe 4, the water supply pipe 5, the air supply pipe 6 or A guide hole communicating with the water supply pipe 7 is formed.

In this embodiment, a guide hole 44, which communicates with the water supply pipe 7 which is communicated with the tip of the insertion portion 1 and is easily polluted, is formed in the air supply / water supply line brush guide 41, and cleaning is performed from the inlet side thereof. When the brush is inserted, as shown by the arrow A, the cleaning brush is guided through the guide hole 44 into the water supply pipe 7, and the inside of the water supply pipe 7 can be brushed and cleaned.

On the other hand, the suction conduit brush guide 42 has a guide hole which is open at the inlet and communicates with the suction communication pipe 9 or the suction pipe 10 when the suction conduit brush guide 42 is inserted into the cylinder body 31 of the suction conduit switching valve 30. Has been formed.

In this embodiment, the guide hole 4 communicating with the suction communication pipe 9 which is communicated with the distal end of the insertion portion 1 and is easily contaminated.
5 is formed, and when the cleaning brush is inserted from the inlet side, the cleaning brush is guided from the guide hole 45 into the suction communication pipe 9 as shown by an arrow B, and The inside of the forceps channel 8 can be cleaned by brushing.

In this way, the inside of the water supply pipe 7, the inside of the suction communication pipe 9 and the inside of the forceps channel 8 can be easily brushed, and the guide holes 44 and 45 should be formed so as to communicate with other conduits. If so, it is possible to easily brush inside the other pipeline.

For that purpose, the guide holes 44, 45 must be positioned so as to communicate properly with the target pipeline, but both brush guides 41, 42 are inserted in both cylinder bodies 21, 31. Then, the guide holes 44,
Since the position and orientation of 45 cannot be in a state other than the normal state, the guide holes 44 and 45 are always properly communicated with a predetermined pipeline.

FIG. 3 shows a second embodiment of the present invention, in which the distance between the air / water supply conduit brush guide 41 and the suction conduit brush guide 42 (interaxial distance L) and the two cylinder bodies 2 are shown.
The distance (axial distance M) between 1 and 31 is different.

By doing so, in a state where both the brush guides 41 and 42 are inserted into the both cylinder bodies 21 and 31, the elastic connecting member 43 is distorted and remains elastically deformed. The brush guides 41 and 42 do not naturally come out of the cylinder bodies 21 and 31 without providing a stopper or the like for preventing them from coming off.

FIG. 4 shows a third embodiment of the present invention in which a plurality of guide holes communicating with a plurality of conduits are formed in the air / water supply conduit brush guide 41 and the suction conduit brush guide 42. It was done.

In this embodiment, in addition to the guide hole 44 communicating with the water supply pipe 7, the air / water supply conduit brush guide 41 has
A guide hole 144 communicating with the air supply pipe 6 is formed, and the suction conduit brush guide 42 has a guide hole 145 communicating with the suction pipe 10 in addition to the guide hole 45 communicating with the suction communication pipe 9.
Are formed.

With this structure, each cylinder body 2 can be replaced without replacing the brush insertion aid 40.
A cleaning brush can be inserted into the plurality of pipes connected to the pipes 1, 31 to clean the inside of the pipes by brushing.

The present invention is not limited to the above-described embodiment. For example, the number of brush guides is not limited to two, and it corresponds to the number of conduit switching valves provided side by side in the operating portion of the endoscope. Should be provided.

[0037]

According to the present invention, by integrally forming a plurality of brush guides for inserting into the cylinder bodies of a plurality of conduit switching valves, they can be simultaneously attached to and detached from the plurality of cylinder bodies. Since it can be mounted on the cylinder body very easily, and since there is no need to provide a member to uniquely determine the mounting direction and regulate the mounting direction, the structure is simple and dirty. It has the effect of being less hygienic and hygienic.

The plurality of brush guides inserted into the plurality of cylinders are elastically connected to each other, and the distance between the plurality of brush guides is made different from the distance between the plurality of cylinders, so that the brush guides can be installed in the cylinders. It's convenient because it doesn't get out of the way.

In addition, at least one brush guide,
By forming a plurality of guide holes communicating with a plurality of conduits, it is possible to insert a cleaning brush into the plurality of conduits for brushing cleaning without replacing the brush insertion aid, which is very convenient.

[Brief description of drawings]

FIG. 1 is a side sectional view of a first embodiment.

FIG. 2 is an overall side view of the endoscope according to the first embodiment.

FIG. 3 is a side sectional view of a second embodiment.

FIG. 4 is a side sectional view of a third embodiment.

[Explanation of symbols]

 20, 30 Pipe line switching valve 21, 31 Cylinder body 22, 32 Operation valve body 41, 42 Brush guide 44, 45 Guide hole

Claims (3)

[Claims] 1. A plurality of cylinders, each of which has a cylinder body having a mouth opening outward and a valve body detachably attached to the cylinder body, the pipelines for passing a fluid communicating with each other. A cleaning brush insertion assisting tool for cleaning the inside of each of the pipes of an endoscope in which a pipe switching valve is arranged side by side with an operating portion, wherein the operation valve body is removed from each of the cylinder bodies, Instead of this, in a brush insertion assisting tool for an endoscope in which a brush guide having a guide hole communicating with the conduit is inserted into each of the cylinder bodies, a cylinder of the plurality of conduit switching valves is provided. A plurality of brush guides for inserting into a body are integrally formed so that they can be simultaneously attached to and detached from the plurality of cylinder bodies, and a brush insertion assisting tool for cleaning an endoscope. . 2. A plurality of brush guides inserted into the plurality of cylinder bodies are elastically connected to each other, and an interval between the plurality of brush guides is different from an interval between the plurality of cylinders. Brush insertion aid for cleaning endoscopes. 3. The brush insertion aid for cleaning an endoscope according to claim 1, wherein a plurality of guide holes communicating with a plurality of conduits are formed in the at least one brush guide.