JP3169514B2 - Endoscope cleaning brush insertion aid - Google Patents

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 aid 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 supply / water supply pipe or a suction pipe is passed. It is necessary to insert a cleaning brush to the inside of the pipe and thoroughly brush and clean.

[0003] Such a pipe is connected to a cylinder body of a pipe switching valve on the operation section side, and an 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 is used, the operating valve bodies are removed from the cylinders of the air supply / water supply line switching valve and the suction line switching valve arranged in the operation unit, and instead, each pipe is replaced. A brush guide having a guide hole communicating with a path is inserted into each cylinder body, and a cleaning brush is inserted into the pipe via the guide hole.

[0005]

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

However, in order to insert the cleaning brush into the pipe via the guide hole, it is necessary to precisely 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 projection and a groove, which not only complicates the structure, but also has a drawback that dirt and the like easily enter therein and become dirty.

Further, since the cleaning of the inside of the conduit must be performed each time the endoscope is used, the work of attaching the brush guide to each cylinder of the plurality of conduit switching valves one by one requires: It is quite complicated and troublesome.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an endoscope cleaning brush insertion aid which has a simple structure, is hardly dirty, and can be easily attached to and detached from a plurality of pipeline switching valves. And

[0009]

In order to achieve the above-mentioned object, a cleaning brush insertion aid for an endoscope according to the present invention is connected to a conduit for passing a fluid so that a mouth thereof faces outward. Of the endoscope in which a plurality of pipeline switching valves each having a cylinder body that opens at the same time and an operation valve body that is detachably provided to the cylinder body are arranged side by side in the operation unit. A cleaning brush insertion auxiliary tool for cleaning the cylinder body, wherein the operation valve body is removed from each of the cylinder bodies, and a brush guide having a guide hole communicating with the pipe is formed instead of the cylinder body. In a cleaning brush insertion aid for an endoscope that is inserted into the endoscope, a plurality of brush guides for inserting into the cylinder bodies of the plurality of conduit switching valves are integrally formed, and the plurality of brush guides are formed of the plurality of brush guides. Same for cylinder body Characterized in that so as to be detachably attached to.

[0010] The plurality of brush guides inserted into the plurality of cylinder bodies may be resiliently connected, and an interval between the plurality of brush guides may be different from an interval between the plurality of cylinders.

Further, a plurality of guide holes communicating with a plurality of pipes may be formed in the at least one brush guide.

[0012]

An embodiment will be described with reference to the drawings. FIG. 2 schematically shows the overall configuration of the endoscope. An operation unit 2 connected to a base end of an insertion unit 1 has an air / water supply line for switching a line for air / water supply. Switching valve 20 and suction line switching valve 30 for switching the line for suction
Are arranged side by side on the operation unit 2.

The air / water supply line switching valve 20 and the suction line switching valve 30 are both connected to a conduit for passing a fluid, and a cylinder whose mouth opens outward of the operation unit 2. Body 21, 31 and its cylinder body 21, 31
Operation valve bodies 22 and 32 are provided so as to be detachable with respect to.

The operation valve bodies 22 and 32 are each provided with a cylinder body 2.
1, 31 are disposed so as to be able to advance and retreat in the axial direction and are urged outward. By pushing the operation valve bodies 22 and 32 into the cylinder bodies 21 and 31, the switching operation of the air supply and the water supply is performed. A suction operation is performed.

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

The forceps channel 8 for inserting treatment tools such as biopsy forceps has an inlet disposed near a connection between the insertion section 1 and the operation section 2, and an exit disposed at a distal end of the insertion section 1. I have.

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

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

Reference numerals 23 and 33 denote fixing nuts for fixing the respective cylinders 21 and 31 to the operating portion 2, reference numerals 24 and 34 denote O-rings for sealing, and reference numeral 25 denotes a fixing nut for fixing to the operating portion 2. Each of the cylinders 2
Pipelines 4, 5, 6, 7, 9, and 10 are connected to 1, 31 at an interval.

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

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

The air / water supply line brush guide 41 is formed in such a size as to be smoothly fitted into the cylinder body 21 of the air / water supply line switching valve 20, and the suction line brush guide 42 is used to switch the suction line. Cylinder body 3 of valve 30
The brush guides 41 and 42 are formed of metal or plastic.

The cylinder 21 of the air / water supply line switching valve 20 and the cylinder 31 of the suction line switching valve 30
Are slightly different in inner diameter dimension, and the outer diameter dimensions of the air / water supply channel brush guide 41 and the suction channel brush guide 42 are correspondingly different.

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

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

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

On the other hand, the suction pipe brush guide 42 has a guide hole which has an inlet opening on the surface and communicates with the suction communication pipe 9 or the suction pipe 10 when inserted into the cylinder body 31 of the suction pipe switching valve 30. Is formed.

In this embodiment, the guide hole 4 which communicates with the suction communication pipe 9 which communicates with the tip of the insertion portion 1 and is easily contaminated.
5 is formed, and if the cleaning brush is inserted from the entrance side, the cleaning brush is guided from the guide hole 45 into the suction communication pipe 9 as shown by the arrow B, and from the inside of the suction communication pipe 9. The inside of the forceps channel 8 can be brushed and cleaned.

In this manner, 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, 45 can be formed so as to communicate with other pipes. If this is the case, brushing can be easily performed in other pipelines.

For this purpose, the guide holes 44 and 45 must be positioned so as to communicate correctly with the target pipeline, but the state in which the brush guides 41 and 42 are inserted into the cylinder bodies 21 and 31 is used. 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 always communicate correctly with a predetermined pipeline.

FIG. 3 shows a second embodiment of the present invention. The distance between the air / water supply line brush guide 41 and the suction line brush guide 42 (the distance L between the shafts) and the two cylinders 2 are shown in FIG.
The distance between the shafts 1 and 31 (distance M between the shafts) is made different.

With this arrangement, when the brush guides 41 and 42 are inserted into the cylinder bodies 21 and 31, the elastic connecting member 43 is distorted and remains elastically deformed. Also, the brush guides 41 and 42 do not fall out of the cylinder bodies 21 and 31 spontaneously without providing a stopper or the like for preventing the removal.

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

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

With this configuration, each cylinder 2 can be replaced without replacing the brush insertion aid 40.
By inserting a cleaning brush into a plurality of pipes connected to the pipes 1 and 31, brushing cleaning can be performed inside the pipes.

The present invention is not limited to the above embodiment. For example, the number of brush guides is not limited to two, and may correspond to the number of pipeline switching valves provided side by side with the operation unit of the endoscope. It may be provided.

[0037]

According to the present invention, a plurality of brush guides for inserting into the cylinder bodies of a plurality of line switching valves are integrally formed, so that they can be simultaneously attached to and detached from the plurality of cylinder bodies. Therefore, the mounting to the cylinder body can be performed very easily, and since the mounting direction is uniquely determined and there is no need to provide a member for regulating the mounting direction, the structure is simple and dirty. It has the effect that it is difficult to become hygienic and it is hygienic.

The plurality of brush guides inserted into the plurality of cylinder bodies are elastically connected, and the interval between the plurality of brush guides is made different from the interval between the plurality of cylinders. It is convenient because it does not escape naturally from.

Also, at least one brush guide
If a plurality of guide holes communicating with a plurality of conduits are formed, brushing cleaning can be performed by inserting a cleaning brush into the plurality of conduits without replacing the brush insertion aid, which is very convenient.

[Brief description of the 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 Operating valve body 41, 42 Brush guide 44, 45 Guide hole

Claims (8)

(57) [Claims] A plurality of cylinders each having a cylinder body which is connected to a pipe for fluid passage and whose mouth is open outward, and an operation valve body which is detachably provided to the cylinder body. An endoscope in which the pipeline switching valve is arranged alongside the operation unit, a cleaning brush insertion aid for cleaning the inside of each pipeline, removing the operation valve body from each cylinder body, Alternatively, in the endoscope cleaning brush insertion aid adapted to insert a brush guide having a guide hole communicating with the conduit into each of the cylinder bodies, the cylinder of the plurality of conduit switching valves may be provided. A plurality of brush guides for insertion into the body are integrally formed so that they can be simultaneously attached to and detached from the plurality of cylinder bodies .
And at least one of the brush guides
A cleaning brush insertion aid for an endoscope, wherein a plurality of guide holes communicating with a plurality of conduits are formed . 2. A plurality of brush guides inserted into the plurality of cylinders are resiliently connected, and an interval between the plurality of brush guides is different from an interval between the plurality of cylinders. A brush insertion aid for cleaning an endoscope according to the above. 3. An endoscope cleaning brush insertion aid according to claim 1, wherein said brush guide is made of metal or plastic. 4. The brush guide according to claim 1, wherein the connecting member for connecting the plurality of brush guides is formed separately from the brush guide and is integrally connected to the brush guide. Endoscope cleaning brush insertion aid. 5. An endoscope cleaning brush insertion aid according to claim 4, wherein said connecting member is formed of an elastic rubber material. 6. The cylinder according to claim 4, wherein said connecting member is fitted so as to fit around a mouth of said cylinder body.
A brush insertion aid for cleaning an endoscope according to the above. 7. The endoscope cleaning brush insertion according to claim 1, wherein the brush guide comes into tight contact with the cylinder body so that the brush guide is prevented from coming out of the cylinder body. Aids. 8. The cleaning brush insertion for an endoscope according to claim 1, wherein said guide hole is formed so as to penetrate said brush guide obliquely from an upper end to a side surface. Aids.