JP2602873Y2 - Endoscope device with endoscope cover system - 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 apparatus of an endoscope cover type using an endoscope cover for preventing contamination of an endoscope.

[0002]

2. Description of the Related Art In recent years, endoscopes have been widely used in the medical field and the like. When an endoscope used in the medical field is inserted into a living body, an observation window provided at a distal end portion of an insertion portion may not be sufficiently observed due to adhesion of a body fluid or the like. For this reason, the endoscope is provided with an air supply pipe or a water supply pipe so that a fluid such as a cleaning liquid or a cleaning gas can be sprayed on the observation window to remove body fluids or the like attached to the observation window by operation on the hand side. Have been. In some cases, a suction conduit for sucking and discharging unnecessary body fluids is provided. In some cases, a forceps channel (treatment instrument channel) is provided so that a tissue can be collected with biopsy forceps, or a treatment can be performed with a treatment instrument.

[0003] Endoscopy requires the use of a clean endoscope that has been thoroughly cleaned and disinfected before the examination.

[0004] For this reason, in an endoscope provided with a conduit such as the air supply conduit or a forceps channel, when used for a patient or the like, washing or sterilizing treatment is performed to surely prevent infectious diseases and the like. Is done. However, it takes a long time to completely perform the cleaning and the sterilization, and thus there is a problem that the use efficiency of the endoscope is reduced.

Therefore, by using the endoscope with the endoscope cover covered with the endoscope cover, only the endoscope cover is disposable and replaced after use, so that the endoscope itself is not dirty after use. There is proposed an endoscope device of an endoscope cover type which does not require cleaning or sterilization.

As an endoscope device of an endoscope cover system,
For example, Japanese Patent Publication No. 2-57334 or U.S. Pat.
In Japanese Patent No. 3,162,190, an endoscope insertion portion is inserted into a cover, and the endoscope insertion portion is covered with the cover to be insulated from an external environment.

[0007] The forceps channel, the air supply / water supply conduit, and the like provided in the conventional endoscope may be contaminated with body fluids and the like, and since they are slender, it takes time for cleaning or sterilization. Therefore, the endoscope cover is provided with a forceps channel, an air supply / water supply conduit, and the like, so that the endoscope main body inserted therein is not dirty.

In the endoscope for an endoscope cover to which such an endoscope cover is attached, the insertion portion is cleaned or sterilized in advance. Then, while covering the insertion portion of the endoscope with the endoscope cover, the endoscope is inserted into the body cavity of the patient for inspection and treatment, and after use, the endoscope cover is removed and discarded. I will. By disposing the endoscope cover for each patient in this manner, the endoscope does not need to be washed and disinfected, and can be kept clean at all times, which is very simple. And the endoscope can be used continuously without rewashing and re-disinfection.

[0009]

[Devised Problems to be Solved However, the above-mentioned
In such an endoscope device of the endoscope cover type, the endoscope is not inserted.
Multiple pipes provided on the inlet cover are arranged independently
It had been.

[0010] Therefore, the endoscope cover is attached to the endoscope insertion portion.
When installing, each pipe may be separated or bulky.
And the workability was poor.

[0011] The present invention has been made in view of these circumstances.
Endoscope is inserted into the endoscope insertion section without bulk
An endoscope with an endoscope cover system that can easily attach the mirror cover
It is intended to provide a device.

[0012]

SUMMARY OF THE INVENTION An endoscope apparatus having an endoscope cover system according to the present invention has an elongated insertion section having a built-in observation means and a universal cord connected to an external apparatus. An insertion portion cover having a plurality of conduits and covering an insertion portion of the endoscope; and a universal endoscope.
Endoscope with universal code cover covering the code
In the endoscope apparatus of the mirror cover scheme, Ji to said plurality of conduits derived from the insertion cover <br/>, integral with one another to the vicinity of an end portion of the universal cord except out end portion
And the universal cord cover
It is characterized by being stored inside .

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 to 26 relate to a first embodiment of the present invention,
FIG. 1 is an explanatory diagram showing the overall configuration of an endoscope apparatus of an endoscope cover system, FIG. 2 is an explanatory diagram showing the overall configuration of a cover endoscope inserted into the endoscope cover, and FIG. FIG. 4 is a cross-sectional view showing a configuration of an insertion section of an endoscope apparatus of a mirror cover type, FIG. 4 is a perspective view showing a configuration of a cover distal end portion of the insertion section cover section, and FIG. 5 is a fluid control device and a fluid pipe of an endoscope cover. FIG. 6 is an explanatory diagram showing a configuration of a connection portion with a passage, FIG. 6 is an explanatory diagram showing an example of a configuration in which fluid conduits are joined together at an insertion portion cover portion, and FIG. 7 is an air supply control provided in a fluid control device. FIG. 8 is a cross-sectional view showing a connection portion of the valve with a fluid pipeline, FIG. 8 is a perspective view showing an appearance of the air supply control valve, FIG. 9 is a cross-sectional view showing an operation state of the air supply control valve shown in FIG. FIG. 11 is a cross-sectional view showing a configuration of a connection portion when a silicone tube is connected to a fluid conduit in the air supply control valve. Cover and explanatory view showing the configuration of a fluid conduit extending from the insertion portion cover, FIG. 12 FIG. 1
FIG. 13 is a perspective view showing a binding state of the fluid conduit and the suction conduit shown in FIG. 1. FIG. 13 is a perspective view of the cover endoscope shown in FIG. FIG. 14 is a perspective view showing a first modified example of a unit for binding a fluid pipeline and a suction pipeline, and FIG. 15 is a perspective view showing a unit for binding a fluid pipeline and a suction pipeline. FIG. 16 is a perspective view showing a second modified example, FIG. 16 is a cross-sectional view showing a configuration of a distal end portion of an insertion portion cover portion in a state where an insertion portion of the cover endoscope is inserted, and FIG. 17 is an insertion of the cover endoscope. FIG. 18 is an explanatory diagram showing a configuration of a connecting portion between the unit and the operation unit, FIG. 18 is an explanatory diagram showing a configuration of an endoscope operating unit fixing mouth at a base end of the insertion unit cover unit, and FIG. FIG. 20 is a perspective view showing a state in which the insertion section cover is attached to the endoscope, and FIG. FIG. 21 is a cross-sectional view showing a state in which the bar portion is fixed, FIG. 21 is a perspective view showing an appearance in a state in which the insertion portion cover is fixed to the cover endoscope, and FIG. FIG. 23 is a cross-sectional view illustrating a configuration of a modification of the insertion portion cover portion coaxially with the side, FIG. 23 is a perspective view illustrating a configuration of a cover fixing portion of the base end portion of the endoscope insertion portion in the modification example illustrated in FIG. FIG. 24 is an explanatory diagram showing a state in which the endoscope insertion portion of the modification shown in FIG. 22 is mounted on the insertion portion cover portion, and FIG. 25 is an explanatory diagram showing a configuration of a packing material for packing the insertion portion cover portion. FIG. 26 is an explanatory view showing a state in which an insertion portion of an endoscope device of an endoscope cover type having an insertion portion cover attached is hung vertically.

As shown in FIG. 1, an endoscope device 1 of an endoscope cover system according to the present embodiment includes an endoscope 2A of an endoscope cover system (hereinafter, abbreviated as a cover system endoscope). In order to insert into the inspection object such as the biliary tract that cannot be inserted with the cover-type endoscope 2A, the insertion portion inserted through the forceps channel of the cover-type endoscope 2A is connected to the second cover-type endoscope 2B having a small diameter. It is a device having. That is, the cover type endoscope 2A is the parent scope, and the second cover type endoscope 2B
Is a parent-child scope type endoscope apparatus which is a child scope.

The cover type endoscope 2A includes an endoscope cover with channel (hereinafter abbreviated as cover) 3A,
It is composed of a combination with an endoscope for an endoscope cover (hereinafter abbreviated as a cover endoscope) 4A attached to the cover 3A. When performing an endoscopy, the insertion portion of the cover endoscope 4A is covered with the clean cover 3A,
After the inspection, the cover 3A is discarded, while the cover endoscope 4A is characterized by being covered with a new clean cover 3A and used repeatedly. This eliminates the need for cleaning and disinfecting the endoscope after the inspection.

Similarly, the second cover type endoscope 2B comprises a combination of an endoscope cover 3B and a second cover endoscope 4B mounted on the cover 3B.

The endoscope apparatus 1 includes the cover-type endoscope 2A, a cart 5A in which various peripheral devices to which the cover-type endoscope 2A is connected, and a cover-type endoscope 2A. A second cover-type endoscope 2B having a cover holder 6A for holding the cover-type endoscope 2B;
Cart 5B with various peripheral devices connected to B
And a cover holder 6B for holding the cover type endoscope 2B
And

The cart 5A has, for example, a light source device 7,
A video processor 8, a fluid control device 9, and an endoscope cover extender with a channel (hereinafter abbreviated as an extender) 10 used when the cover endoscope 4A is mounted on the cover 3A.
Etc. are stored. A monitor 11 for receiving an image signal from the video processor 8 and displaying an endoscopic image is mounted on the upper surface of the cart 5A.

The cart 5B contains a light source device 7, a fluid control device 9, and the like, like the cart 5A.

The cover endoscope 4A has an operating section 1 having a large-diameter grip at the proximal end of the elongated endoscope insertion section 14 on the proximal side.
2, the universal cord 13 extends from the side of the operation unit 12, and a connector 19 is provided at an end of the universal cord 13.

The light source device 7 is detachably connected to the cover endoscope 4A via the connector 19, and supplies illumination light to the endoscope. The video processor 8 is detachably connected to the cover endoscope 4A via a signal cable 21 extending from the side of the connector 19, and drives an image pickup unit built in the cover endoscope 4A. , And a signal output from the image pickup means, and the signal is converted into a standard video signal and output to the monitor 11.

The dilator 10 is connected to an expansion tube 34, and is for expanding air by sending air into the cover 3A through the expansion tube 34. With this expansion, the cover 3A becomes endoscope for cover. The mirror 4A can be easily mounted or removed. When the cover 3A is attached to or detached from the cover endoscope 4A, the cover holder 6A is used, for example, the base end side of the cover 3A is held by the cover holder 6A, and the cover endoscope 4A is inserted or removed. It is supposed to.

The cover 3A includes an insertion portion cover portion 22 made of a thin and soft resin and the like, and an operation portion cover portion 2 made of a thin and soft polymer material such as vinyl chloride.
3A and a universal code cover portion 24A, and the endoscope insertion portion 1 of the cover endoscope 4A.
4, the operation unit 12 and the universal cord 13 are respectively covered.

The cover 3B to be attached to the second cover type endoscope 2B includes a thin and soft operation section cover section 23B and a universal code cover section 24B made of a polymer material such as vinyl chloride. And covers the operation unit and the universal cord of the cover endoscope 4B.

The fluid control device 9 is provided with an air supply control valve 35, a water supply control valve 36, and a suction control valve 37.
The suction is controlled by these solenoid valves. The air supply control valve 35 and the water supply control valve 36 are
Are connected to two fluid conduits 26 extending from the fluid passages. Further, the suction control valve 37 is also connected to the insertion unit cover 2.
It is connected to a suction line 28 extending from 2.

The suction control valve 37 has a suction tube 3
A suction device (not shown) is connected to the end of the endoscope 8 to suck unnecessary body fluids and the like from the end of the endoscope. A water supply tube 39 is connected to the water supply control valve 36, and a water supply tank 33 is connected to a distal end of the water supply tube 39. Further, two air supply tubes 40 extend from the fluid control device 9, and are connected to the air supply control valve 35 and the water supply tank 33.

FIG. 2 shows the entire configuration of the cover endoscope 4A. The cover endoscope 4A is provided with an operation unit 12 that is operated by an operator to perform various operations, and an insertion unit 14 and a universal cord 13 are connected to extend from the operation unit 12. The operating unit 12 is provided with a gripping unit 43, and an angle knob 44 for performing a bending operation is detachably provided above the gripping unit 43. Further, an air / water / water suction control switch 45, a freeze / release for photographing, A function switch 46 for performing such operations is provided.

The insertion section 14 is provided with a hard distal end 1 having an observation optical system and an illumination optical system (not shown) from the distal end side.
6, a bending portion 17 for bending the distal end in a desired direction, and a flexible and flexible tube portion 18 for transmitting a twisting operation and a push-pull operation of the operator to the distal end side. I have. Due to the resiliency and flexibility of the flexible tube section 18, the insertion section 41 of the endoscope apparatus can be freely inserted into a body cavity or the like, and the bending section 17 can be bent in a target observation direction. The tip can be turned.

On the other hand, a connector 19 is provided at an end of the universal cord 13, and an electrical connector section 20 is provided on a side of the connector 19, and a signal cable 21 for connecting the video processor 8 is connected thereto. It has become.

FIG. 3 is a sectional view of an insertion section 41 of an endoscope apparatus of an endoscope cover type in which an insertion section cover section 22 is covered by a cover endoscope 4A.

Insertion section 4 of endoscope device of endoscope cover type
1 mainly includes an insertion portion cover portion 22 and a cover endoscope insertion portion 14.

The insertion portion cover portion 22 is connected to the fluid line 2 described above.
6. A suction conduit 28 also serving as a forceps channel, and an endoscope insertion channel 25 passing through the endoscope insertion portion 14 are provided, and their distal ends are connected by a cover distal end 29 made of a hard resin or the like. ing.

As shown in FIG. 3, an insertion portion cover outer cover 31 made of a thin and soft resin for isolating the insertion portion 14 of the cover endoscope 4A from the external environment is provided at the cover distal end portion 29, as shown in FIG. It is airtightly connected.

The forceps insertion opening 67 and the extension tube 34 provided in the dilator 10 are located near the insertion portion cover outer skin 31.
The endoscope operating section fixing mouth section 30 having an extension tube mouth section 68 and the like for connecting the
Are hermetically connected. An opening portion of an endoscope insertion channel 25 into which the endoscope insertion portion 14 is inserted is provided on the proximal side of the endoscope operation portion fixing mouth body portion 30. The pipelines such as the fluid pipeline 26 and the suction pipeline 28 that are open protrude.

The fluid line 26, the suction line 28, and the endoscope insertion channel 25 have a multilayer structure. The inner layer is a solid thin film having good slipperiness such as polytetrafluoroethylene, and the outer layer is stretched. It is made of a soft material such as polytetrafluoroethylene or silicone tube.

As shown in FIG. 4, the observation optical system 15 (see FIG. 3) of the cover endoscope 4A is provided at the cover distal end portion 29.
Further, an observation window 61 made of transparent glass or resin is provided in a position facing the illumination optical system (not shown) so as to allow light to pass therethrough in an airtight manner. A nozzle 65 is provided.
Further, a forceps port 63 communicating with the suction conduit 28 and through which forceps (not shown) project is provided.
The two fluid jets 6 communicating with the fluid line 26
4 are provided.

The endoscope insertion channel 25 is opened to the outside only at the endoscope operation section fixing mouth portion 30 on the base end side, and the other portions are not exposed to the outside. Therefore, when the endoscope insertion portion 14 is inserted, the insertion portion 14 is covered with the insertion portion cover outer cover 31 and the like except for the base end side, and is not exposed to the outside. Also,
The operation section 12 and the like on the base end side of the endoscope insertion section 14 are also covered with the operation section cover section 23A and the universal code cover section 24A.

For this reason, when used for endoscopy, the insertion section 14 and the like of the endoscope 4A for the cover are maintained in a non-contaminated state. On the other hand, since the cover 3A is contaminated, it becomes a disposable cover that is discarded after use.

On the other hand, the cover endoscope insertion section 14 is provided with a distal end portion 16 having an observation optical system 15 and an illumination optical system (not shown), a curved portion 17, and a flexible tube portion 18 from the distal end side. A light guide (not shown) is inserted into the mirror insertion portion 14. The rear end of the light guide is connected to the light source device 7 so that the illumination light from the lamp in the light source device 7 is transmitted and emitted from the illumination optical system at the front end. Further, an image pickup device 20 is provided in the cover endoscope insertion section 14 at an image forming position of the observation optical system 15 and is connected to the video processor 8 via a signal cable. A subject such as a diseased part illuminated by the illumination light forms an optical image on the image sensor 20 via the observation optical system 15.

The image signal of the optical image photoelectrically converted by the image pickup device 20 is input to the video processor 8, where the signal is processed by the video processor 8 and converted into a standard video signal. The image is input and the subject image is displayed on the display screen.

FIG. 5 shows the structure of the connection portion between the fluid control device 9 and the fluid line 26. The air supply control valve 35 and the water supply control valve 36 provided in the fluid control device 9 are provided with an air supply base 71 and a water supply base 72 having the same shape. The fluid pipes 26 having the same length, inner diameter and wall thickness are connected to the air supply cap 71 and the water supply cap 72, respectively. An air supply tube 40 is connected to the other end of the air supply control valve 35, and a water supply tube 39 is connected to the other end of the water supply control valve 36.

When air is supplied by the fluid control device 9, the air supply control valve 35 which is normally closed is opened. The air from the air supply tube 40 passes from the air supply control valve 35 via the air supply base 71 to one of the fluid pipes 26 connected to the air supply base, and the cover tip 29 of the fluid pipe 26 Is ejected from one of the fluid ejection ports 64, which is the opening of the nozzle, and is supplied in the direction of the observation window 61 by the air supply / water supply nozzle 65.

When water is supplied, the water supply control valve 36, which is normally closed, is opened. Water supply tube 39
The water from the water supply tank 33 sent from the water supply control valve 3
6 through the other fluid line 26 connected to the water supply mouthpiece via the water supply mouthpiece 72, and is ejected from the other fluid ejection port 64 which is the opening of the cover distal end portion 29 of the fluid passageway 26; Water is supplied in the direction of the observation window 61 by the air supply / water supply nozzle 65.

In the conventional endoscope apparatus of the endoscope cover type, an air supply pipe and a water supply pipe are provided, and these air supply pipe and water supply pipe are connected to the fluid control device. They were connected to the air supply connection of the provided air supply control valve and the water supply connection of the water supply control valve, respectively. Further, the air supply pipe and the water supply pipe communicated with an air supply opening and a water supply opening provided at the tip of the cover, respectively, thereby satisfying the air supply function and the water supply function. .

However, when such an endoscope device of the endoscope cover type is used, the air supply pipe and the water supply pipe are respectively connected to the air supply connection section and the water supply connection section of the fluid control device. Although the connection is made, it is difficult to distinguish between the air supply line and the water supply line in appearance, so that there is a problem that it takes time and effort to distinguish when connecting, and there is a risk that the connection may be made by mistake. In addition, by mistakenly connecting the air supply line to the water supply connection portion or connecting the water supply line to the air supply connection portion, not only the desired air supply amount and water supply amount cannot be obtained, but also In some cases, there was a problem that it was not possible to perform an appropriate air / water supply control.

In this embodiment, as shown in FIG. 5, the air supply base 7 at the connection between the fluid control device 9 and the fluid line 26 is provided.
1 and the water supply mouthpiece 72 have the same shape, so that there is no need to distinguish between air supply and water supply when connecting the fluid conduit on the endoscope cover side. It can be connected to the valve 35 and the water supply control valve 36. Therefore, it is possible to save the trouble of determining at the time of connecting the pipeline, and it is possible to improve workability. In addition, it is possible to exhibit sufficient air supply capacity and water supply capacity regardless of which fluid conduit 26 is connected to the air supply base 71 and the water supply base 72.

Therefore, the operator can use the cover endoscope 4 during use.
A, cover the insertion portion cover portion 22 with the insertion portion cover portion 22.
Not only can reduce the burden when connecting the fluid conduit 26 extending from the fluid control device 9, but also
Since the 1 and the water supply base 72 are the same member and the two fluid conduits 26 are the same, the cost can be reduced from the viewpoint of the members and the assembly.

Here, the example in which the two fluid conduits 26 are provided independently up to the cover distal end portion 29 has been described, but the two fluid conduits merge in the insertion portion cover portion,
You may comprise so that only one pipe line may be penetrated to a front-end | tip part.

FIG. 6 shows an example of such a configuration. The two fluid pipes 26 connected to the fluid control device 9 are connected to a connection pipe 75 made of, for example, a hard resin provided in the endoscope operation unit fixing mouth body 30 and connected to one fluid pipe. It is organized in a pipeline. One air supply / water supply line 76 is connected to the other end of the connection pipe 75, and the air supply / water supply line 76 is
2 and open at the tip.

With this configuration, the fluid conduit 26 can be connected to the control valve of the fluid control device 9 without distinguishing the fluid conduit 26 in the same manner as described above, and the number of conduits in the insertion portion cover 22 can be reduced. The diameter of the unit cover 22 can be reduced.

The connection between the fluid line 26 and the control valve is not limited to the structure shown in FIG. 5, but may be the structure shown in FIGS. Even if the wall thickness is different, it may be possible to connect to either control valve.

FIG. 7 is a cross-sectional view showing a connection portion of the air supply control valve provided in the fluid control device 9 with the fluid line 26, and FIG. 8 is a perspective view showing the appearance of the air supply control valve. .

The air supply control valve 81 has a chuck portion 82 through which the fluid conduit 26 is inserted. The chuck portion 82 is provided with a cutout hole 83 that penetrates sideways.
Is to be inserted. A cylinder 85 connected to an air pump 84 is provided inside the air supply control valve 81, and a control rod 86 movable in the axial direction is provided in the cylinder 85.
Are arranged. A spring member 87 is provided in a side recess of the control rod 86, and one end of the spring member 87 is
, And urges the control rod 86 in the direction of the air pump 84. The air pump 84 is connected to an air / water supply / suction control switch 45 provided on the operation unit 12 of the cover endoscope 4A via an air supply control circuit (not shown) in the fluid control device 9.

In the air supply control valve 81, in the state shown in FIG. 7, the fluid conduit 26 is open, and air is supplied from the air supply tube.

When the air supply / water suction control switch 45 is operated to instruct the stop of air supply, air is sent from the air pump 84 into the cylinder 85. The cylinder 85 pushes the control rod 86 urged by the spring member 87 by air pressure, and crushes the side surface of the fluid conduit 26 as shown in FIG. Thereby, the flow of the fluid flowing through the pipeline stops. The water supply control valve has the same configuration and operation, and a description thereof will be omitted.

The air supply / water supply control valve configured as described above can also perform the air supply / water supply control, and the fluid line 2
Since the end portions 6 are not connected to each other, different pipes can be attached to any of the control valves even if the two fluid pipes have different inner diameters, outer diameters, and wall thicknesses.

When a control valve as shown in FIGS. 7 and 8 is used, for example, a silicone tube is connected to the fluid line 26, and the silicone tube is inserted into a portion sandwiched between the chuck portions 82, so that the durability is improved. Strong structure.

That is, as shown in FIG. 10, a silicone tube 88 is connected to the fluid conduit 26 via a connection pipe 89, and the portion of the silicone tube 88 is inserted into the chuck portion 82 of the control valve to be opened and closed. I do. In addition,
The connecting pipe 89 has a structure in which both ends are tapered so that the two tubes cannot be easily pulled out.
This improves the resistance of the tube to opening and closing by the control valve.

FIGS. 11 and 12 show the construction of the insertion portion cover 22 and the fluid conduit extending from the insertion portion cover 22. FIG.

As described above, a plurality of fluid conduits such as a fluid conduit 26 and a suction conduit 28 are provided in the insertion portion cover portion 22 of the endoscope apparatus of the endoscope cover type. The fluid line is connected to the fluid control device 9.

In this embodiment, as shown in FIG. 11, the fluid conduit 26 and the suction conduit 28 provided in the insertion portion cover 22 for covering the cover endoscope insertion portion 14 are provided with the endoscope for the cover. It extends through the vicinity of the universal cord 13. The fluid conduit 26 and the suction conduit 28 are covered with a heat-shrinkable tube 91 as shown in FIG.

The operation section cover section 23 is attached to the cover endoscope 4A shown in FIG.
When the cover A and the universal code cover portion 24A are put on the cover, the result is as shown in FIG. The operation section 12 of the cover endoscope is covered with an operation section cover section 23A, and the universal cord 13 and the heat-shrinkable tube 91 extending along the universal cord 13 are connected to the universal code cover section 2.
4A is covered by winding.

In the conventional endoscope apparatus of the endoscope cover type, since the plurality of fluid conduits are in a state of being separated one by one, the universal cord cover is wound around the universal cord of the cover endoscope. When attaching, multiple fluid conduits extending from the cover of the insertion part will be separated or bulky, so it is necessary to have a worker to hold the conduits along the universal cord, Workability was poor.

On the other hand, in the present embodiment, since the fluid conduit 26 and the suction conduit 28 are integrated by the heat-shrinkable tube 91, the universal cord cover 24A is connected to the universal cord 13, the fluid conduit 26, and the suction conduit. When covering 28, without falling apart or bulky,
Further, since there is no need to hold the fluid line 26 and the suction line 28, the workability is very good.

In addition, when the work of putting the cover is performed, only one operation is required, so that there is no possibility that an unclean person joins the work and contaminates the universal code cover portion 24A, and further an unclean person can perform the work. Since there is no need to participate in the work, it is not necessary to divide the work area between the clean area worker and the dirty area worker, so that the work is greatly simplified and the workability can be improved.

In the above configuration, the heat-shrinkable tube 91 is used as a means for binding the fluid conduit 26 and the suction conduit 28. However, the present invention is not limited to this, and is formed of an elastic body as shown in FIG. The fluid line 26 and the suction line 28 may be inserted into the multi-lumen tube 92 using the multi-lumen tube 92. Also, instead of binding the entire length of the conduit, the fluid conduit 26 and the suction conduit 28 are partially bound using a binding band 93 formed of an elastic body or the like as shown in FIG. Is also good.

Next, an endoscope operating portion fixing mouth portion 30 at the base end of the insertion portion cover portion 22 and the operating portion 1 of the cover endoscope are provided.
The configuration of the connection part with the second unit will be described.

First, FIG. 16 shows the configuration of the distal end of the insertion section cover 22 with the cover endoscope insertion section 14 inserted.

The insertion portion cover portion 22 has a cover distal end portion 29 provided with a forceps port 63 communicating with the suction conduit 28, an observation window 61, and the like.
On the rear end side, an endoscope distal end connection concave portion 95 is provided,
The distal end 16 of the endoscope insertion section 14 is fitted.

The endoscope connection concave portion 95 is a circular concave portion, and the inner diameter of the distal end connection concave portion 95 is set to be slightly larger than the outer diameter of the endoscope distal end portion 16 fitted therein. ing. For this reason, the endoscope distal end portion 16 is rotatable with respect to the cover distal end portion 29 in a state fitted to the cover distal end portion 29.

The connecting portion between the insertion portion 14 and the operation portion 12 of the cover endoscope 4A to be inserted into the insertion portion cover portion 22 is configured as shown in FIG.

At the end of the endoscope operation section 12 on the insertion section side, a cover fixing section 97 from which a fixing pin 96 projects is provided.
The insertion section 14 is connected to the distal end side of the cover fixing section 97.

The endoscope operating section fixing mouth 30 at the base end of the insertion section cover 22 is configured as shown in FIG.

As described above, the end portion of the endoscope operating portion fixing mouth body portion 30 has the insertion portion cover outer skin 31 airtightly connected thereto, and the forceps insertion opening 67 is provided on the side portion.
A fixing pin 96 of the cover endoscope 4A is formed in an axial direction at a rear end portion (endoscope operation portion 12 side) of the endoscope operation portion fixing mouth body portion 30 to engage therein. A guide groove 98, which is connected to the end of the guide groove 98 and is formed in a circumferential shape;
A moving groove 99 is provided for enabling the fixing pin 96 engaged in the guiding groove 98 to move in the circumferential direction. Further, a fixing pin in the moving groove 99 is provided at the rear end side of the moving groove 99. A ring groove 100 into which a C-ring for holding the 96 so as not to come off is provided is provided in a circumferential shape.

The endoscope 4A for a cover configured as described above.
And the endoscope 4A for the cover in the insertion portion cover portion 22.
A procedure and a state when the insertion unit cover 22 is mounted on the first unit will be described with reference to FIGS. FIG. 19 shows a state in which the insertion section cover 22 is attached to the cover endoscope 4A, and FIG. 20 shows a cross section in a state in which the insertion section cover 22 is fixed to the cover endoscope 4A. Reference numeral 21 denotes an appearance in a state where the insertion portion cover 22 is fixed to the cover endoscope 4A.

The insertion section 14 of the cover endoscope 4A is inserted into the insertion section cover section 22 up to the base end, and the cover fixing section 97 is inserted.
The guide pin 98 provided in the endoscope operating unit fixing mouth unit 30 of the insertion unit cover unit 22 with the fixing pin 96 provided in the insertion unit cover unit 22.
Be involved. Then, the fixing pin 96 is inserted up to the moving groove 99 at the back of the guiding groove 98, and the C ring 101 is dropped into the ring groove 100 provided on the rear end side of the moving groove 99 and attached.

The insertion portion cover 22 is attached to the cover endoscope 4A.
In the state in which is fixed, as shown in FIGS. 20 and 21, the fixing pin 96 is fixed in the axial direction by the C ring 101, so that the insertion portion cover portion 22 is moved from the cover endoscope 4A. There is no escape.

In this state, the fixing pin 96 is moved to the moving groove 9.
9, the insertion portion of the cover endoscope 4A can be rotated in the circumferential direction with respect to the insertion portion cover portion 22. When the insertion section 14 of the cover endoscope 4A is rotated in this way, the insertion section distal end 16 of the cover endoscope is also rotatable with respect to the cover distal end 29. By grasping and rotating the operation unit of the endoscope for use, the insertion unit can be easily rotated to the distal end.

In a conventional endoscope device of the endoscope cover type, the endoscope is prevented from being pulled out even if the operation section of the endoscope is rotated or the insertion section is twisted while the insertion section is being inserted into the body cavity. The endoscope is firmly fixed by the cover tip and the endoscope operation unit fixing mouth. However, the provision of the means for firmly fixing the distal end portion of the cover endoscope at the distal end portion of the cover causes a problem that the insertion portion cover portion becomes thick.

On the other hand, in this embodiment, the cover endoscope 4A is inserted into the insertion section cover section 22 on the endoscope operation section fixing mouth section 30.
Since the fixing means for fixing the endoscope is provided, it is not necessary to provide a strong fixing means at the cover distal end portion 29, and the diameter of the insertion portion of the endoscope device of the endoscope cover type can be reduced.

Further, since the cover endoscope 4A is connected and fixed by the endoscope operating portion fixing mouth portion 30, the fixing between the cover endoscope 4A and the insertion portion cover portion 22 in the axial direction is not possible. Be strong. Further, since the cover endoscope 4A and the insertion portion cover portion 22 are rotatable, the bending direction is slightly changed by slightly rotating the cover endoscope 4A with respect to the insertion portion cover portion 22. It can be expected that the insertability can be improved.

In the configuration of the embodiment described above, the endoscope insertion channel 25 is not coaxial between the distal end side and the proximal side of the insertion portion cover portion 22, as shown in FIG.
The endoscope may be made coaxial for the purpose of reducing resistance when the insertion section is rotated. FIG. 22 shows a configuration of a modified example of the insertion portion cover portion in which the endoscope insertion channel is coaxial between the distal end side and the proximal side.

An endoscope operating portion fixing mouth portion 103 provided at the base end portion of the insertion portion cover portion 102 of this modified example has a circular shape on the side surface near the opening at the rear end side of the endoscope insertion channel 104. A circumferential groove 105 is provided. On the other hand, a pair of snap-fit portions 107 project from the cover fixing portion 106 at the base end of the endoscope insertion portion 14 inserted into the endoscope insertion channel 104 so as to face the side portion. It is designed to engage with a groove 105 provided in the mouth 103. This prevents the endoscope insertion section 14 from coming off the insertion section cover section 102.

As shown in FIG. 23, the snap fit portion 107 has a base end portion 109 fixed to the cover fixing portion 106, and a claw 108 provided at an intermediate portion, and the claw 108 is engaged with the groove portion 105. It has become.

FIG. 24 shows a state in which the endoscope insertion section 14 is mounted on the insertion section cover section 102. 24A illustrates a state immediately before the endoscope insertion section 14 is mounted on the insertion section cover section 102, and FIG. 24B illustrates a state where the endoscope insertion section 14 is mounted on the insertion section cover section 102. (C) shows a state when the endoscope insertion section 14 is removed from the insertion section cover section 102.

The endoscope insertion section 14 is inserted into the insertion section cover section 102.
24A, when the cover fixing portion 106 is gripped from the state shown in FIG.
The base end portion 109 is elastically deformed by sandwiching the grip portion 110 at the end of the cover fixing portion 107 and the snap-fit portion 107 is elastically deformed.
The endoscope insertion section 14 is pushed into the insertion section cover section 102 so as to be along 6.

The endoscope insertion section 14 is inserted into the insertion section cover section 102.
After the hand is released from the grip portion 110 after the base end portion is inserted into the inside, the snap-fit portion 10 as shown in FIG.
The seventh claw 108 is engaged with the groove 105 of the endoscope operation portion fixing mouth portion 103. At this time, if the length of the insertion section cover section 102 is slightly shorter than the length of the endoscope insertion section 14, the insertion section cover section 102 is stretched when the endoscope insertion section 14 is inserted, so that the endoscope 10 Since the claw 108 is attached to the mirror insertion portion 14, the repulsive force causes the claw 108 to be pressed against the side surface of the groove portion 105, thereby preventing the mounting play.

The endoscope insertion section 14 is inserted into the insertion section cover section 102.
When removing from the gripper 11 in the same manner as when attaching
0, the snap fit portion 107 is moved toward the cover fixing portion 106, the claw 108 is removed from the groove portion 105, and the endoscope is pulled from the insertion portion cover portion 102 in the state shown in FIG. You only have to get out.

Next, the packing of the insertion portion cover 22 will be described. When packing the insertion part cover part 22,
A packing material 111 as shown in FIG.

The packing material 111 is composed of a tray 112 for storing the insertion portion cover 22 in a wound state, and a package 113 for packing the insertion portion cover 22 in the tray 112. I have. Package 1
13 is about 0.2 μ which has air permeability but does not allow bacteria and the like to pass through.
It is made of a polymer material or paper having holes of about m.

A spiral groove 114 is formed in the tray 112 for accommodating the insertion portion cover 22 in a predetermined shape. On the other hand, the package 113 has an opening 115,
The tray 112 is configured to be sealed after being stored.
The packing material 111 may be configured so that the operation unit cover 23 and the universal code cover 24 can be stored together with the insertion unit cover 22.

When the insertion portion cover 22 is packed in the packing material 111, the insertion portion cover 22 is wound and bent along the spiral groove 114 of the tray 112, and stored in the opening 113 of the package 113. The tray 112 is housed from 115 and the opening 115 is closed and sealed. In this state, the packing material 111 accommodating the insertion portion cover 22 is put into a sterilizer, sterilized, and then shipped.

The insertion portion cover 22 packed as described above
Is attached to the cover endoscope 4A, first, the endoscope operation section fixing mouth 30 of the insertion section cover 22 is attached to the cover holder 6A, and the extension tube 34 is attached to the extension tube mouth 68. Connecting. In this state, the insertion section 14 of the endoscope is inserted into the endoscope insertion channel 25. This allows
Attachment of the insertion portion cover 22 to the cover endoscope 4A is completed.

FIG. 26 shows a state in which the insertion portion cover 22 is attached to the insertion portion 14 of the endoscope 4A for a cover. The channels provided in the insertion portion cover portion 22, that is, the endoscope insertion channel 25, the fluid conduit 26, and the suction conduit 28 have a multi-layer structure, have excellent restorability, and have a configuration that is unlikely to be bent. Therefore, in a state where the insertion portion cover portion 22 is attached to the endoscope insertion portion 14, the bending habit attached to the cover alone by the elasticity of the flexible tube portion 18 of the endoscope insertion portion 14 is corrected. As shown in FIG. 26, when the insertion portion of the endoscope device of the endoscope cover type is hung vertically, a portion corresponding to the flexible tube portion 18 is formed substantially linearly.

In the endoscope apparatus 1 of the endoscope cover system according to the present embodiment, a clean cover 3A is attached to the cover endoscope 4A, and the cover endoscope 4A is isolated from the external environment. The cover type endoscope 2A is inserted into a site to be inspected such as in a body cavity. When using an endoscope, use the cover endoscope 4A
Is kept clean by the cover 3A. Further, the fluid conduit 26 and the suction conduit 28 also serving as a forceps channel are attached to the cover 3A side, and are discarded together with the cover 3A after use, so that the contaminated conduit is reused. There is no.

By configuring the cover type endoscope 2A in this manner, the cover endoscope 4A, which is the endoscope body, is formed.
Does not need to be washed or sterilized every time an inspection is performed, it can be kept clean at all times, and an endoscopic inspection can be easily performed. The endoscope for cover 4A can be used continuously without re-cleaning and re-disinfection. For example, cleaning and sterilization may be performed when all the inspections for one day are completed. Therefore, the use efficiency of the endoscope can be improved.

Also, in the case of a packing mode in which the conduit provided in the insertion portion cover portion has a highly resilient structure as in the present embodiment, the insertion portion cover portion is wound and packed in a bent state. Also, it is possible to make it difficult for the insertion portion cover to bend. As a result, it is possible to prevent the insertion portion of the endoscope device having the insertion portion cover from being bent, to eliminate the adverse effect on the insertability to the inspection target site, and to improve the mountability to the endoscope. Can be improved.

Here, the cover of the insertion portion of the second cover type endoscope 2B inserted through the forceps channel of the cover endoscope 4A will be described.

When a child scope is used in such a parent-child scope type endoscope apparatus, the second cover endoscope 4B which is a child scope is similar to the cover endoscope 4A which is a parent scope. Also, attach the endoscope cover 3B,
Used as the second cover type endoscope 2B.

FIGS. 27 and 28 show the configuration of a first example of the insertion section cover for a child scope that covers the second cover type endoscope 2B.

An endoscope operation unit fixing mouth body 30 at the base end of the insertion unit cover 22 attached to the cover endoscope 4A includes:
A forceps insertion port 67 is provided, and the insertion section 120 of the second endoscope 4B is inserted through the forceps insertion port 67. Insertion part 120 of endoscope for second cover
An observation optical system 122 and an illumination optical system 123 are provided at the distal end portion 121 so as to illuminate a portion to be inspected and observe a subject image.

The forceps insertion port 67 is connected to the insertion port 124 for the child scope.
4 is provided with an extension base 125 at the tip. An extension tube 127 for a child scope is connected to the extension base 125 via an extension tube connection tube 126.
An endoscope cover expander 10 is connected to the other end of the child scope expansion tube 127 so that the cover is expanded when the cover is attached to or removed from the second cover endoscope 4B. Has become.

Inside the insertion port for child scope 124, an insertion section cover for child scope 128 made of a thin and soft polymer material or the like that covers the insertion section 120 of the endoscope for second cover is folded. The base end is connected to the child scope insertion base 124. The distal end portion 129 of the child scope insertion section cover 128 is made of a hard resin or the like. As shown in FIG. 28, an observation window 130 made of a transparent resin or a lens is provided.

When the insertion portion 120 of the second cover endoscope is inserted into the forceps insertion opening 67, as shown in FIG. 29, the distal end portion 129 of the child scope cover and the distal end portion 121 of the insertion portion are connected to each other. When the insertion portion 120 is pushed into the forceps channel, the folded portion of the insertion cover 128 for a child scope is extended, and the insertion portion 1 of the second endoscope for a cover is sequentially extended.
20. At this time, air is sent from the extension tube 127 for the child scope connected to the dilator 10 into the insertion part cover 128 for the child scope, and the insertion part 120 of the endoscope for the second cover is easily inserted. Inserted into
The insertion portion 120 is easily covered with the insertion portion cover 128.

In the conventional endoscope apparatus of the endoscope cover system, when the parent-child scope system is used, the parent scope and the child scope into which the child scope is inserted are separately covered with the cover, and then the cover is covered. The child scope was inserted into the forceps opening of the parent scope. Therefore, it takes two units of time to cover the endoscope with the cover, and there is a problem that much time and labor are required.

On the other hand, in the configuration of the present embodiment, the insertion section cover 128 for the child scope is automatically inserted into the insertion section 120 simply by inserting the insertion section 120 of the second endoscope for the cover as the child scope into the forceps channel. Coated. Therefore, when using the child scope, it is only necessary to attach the operation unit cover 23B and the universal code cover 24B before insertion, and it is not necessary to attach the child scope insertion unit cover, so that the operator is not required to do so. Can reduce the burden,
Labor saving of cover mounting work and improvement of workability are achieved.

Further, when inserting the cover into the forceps channel to attach the cover to the second endoscope for cover, the operator does not touch the cover for the child scope, so that the insertion part for the child scope is not inserted. There is no danger of contaminating the cover.

FIGS. 30 and 31 show the configuration of a second example of a child scope insertion section cover that covers the second cover type endoscope 2B.

The insertion cover for the child scope of the second example is a configuration example in which the extension unit 10 is not used at the time of insertion and removal.

The forceps insertion port 67 has a forceps port connection base 13.
1 is detachably connected. This forceps port connection base 1
A child scope insertion opening 132 whose distal end movable in the axial direction is tapered is attached to 31, and the child scope insertion opening 132 and the forceps opening connection base 131 are attached.
A spring member 133 for urging the child scope insertion opening 132 toward the rear end side is provided at the joint portion with.

Also, on the side of the forceps port connection base 131,
A support rod 134 extends rearward, and a cylindrical child scope guide aid 135 is provided at the tip of the support rod 134.

The inside of the forceps port connection base 131 is shown in FIG.
In the same manner as in the first example shown in FIG. 1, the thin scope insertion section cover 12 made of a polymer material such as vinyl chloride is used to cover the insertion section 120 of the second endoscope.
8 is folded and housed, and the base end is connected to the forceps port connection base 131. Insert 1 cover for child scope
28 is a cover tip 12 made of a hard resin or the like.
9 is connected.

When the insertion section 120 of the second cover endoscope is inserted into the forceps insertion port 67, the insertion section 120 is straightened by the child scope guide aid 135 as shown in FIG. Will be guided to. When the insertion portion 120 is further pushed in, the insertion force is pushed into the insertion portion 120 by the spring member 133 provided between the child scope insertion opening 132 and the forceps port connection base 131 by being inserted into the child scope insertion opening 132. Forceps insertion port 6 while being adjusted
7 is inserted.

Thereafter, as in the first example, when the distal end portion 129 of the child scope cover and the distal end portion 121 of the insertion portion are joined, and the insertion portion 120 is further pushed into the forceps channel, the insertion cover 128 of the child scope is removed. The folded portion extends and is sequentially covered with the insertion portion 120 of the second endoscope for a cover.

By configuring the insertion section cover for a child scope in this way, in addition to the effects of the first example described above,
The insertion portion 120 of the second endoscope for cover is inserted into the forceps insertion opening 67.
Since the amount of pushing force is adjusted when the endoscope is inserted into the endoscope, there is an effect that the insertion portion of the small-diameter second endoscope for a cover is less likely to buckle.

FIG. 32 is an explanatory view showing the structure of the channel provided in the insertion portion cover of the endoscope cover according to the second embodiment of the present invention.

In the second and subsequent embodiments, the configuration of the channels such as the fluid conduit 26, the suction conduit 28, and the endoscope insertion channel 25 provided in the insertion portion cover portion 22 of the endoscope cover 3A is changed. is there.

The fluid line 26 and the suction line 2 of the second embodiment
8. The channel 151 constituting the endoscope insertion channel 25 and the like is formed of a PTFE tube (polytetrafluoroethylene tube) or the like as shown in FIG. 32, and has a spiral groove 152 formed on the outer peripheral surface. ing.

As described above, by providing the groove 152 in a spiral shape on the outer peripheral portion, the resilience of the channel is further increased, and
Even in the case of a packaging mode in which the insertion section cover is wound and bent to be packed, the insertion section cover can be made less likely to bend, and thus the endoscope apparatus having the insertion section cover attached thereto. Of the insertion part can be prevented from being bent, and deterioration of the insertion property into the inspection target site can be prevented.

FIG. 33 is an explanatory view showing the structure of a channel provided in the insertion portion cover of the endoscope cover according to the third embodiment of the present invention.

The fluid line 26 and the suction line 2 of the third embodiment
8. As shown in FIG. 33, the channel 153 constituting the endoscope insertion channel 25 and the like has a PTF like the second embodiment.
E-tube, etc., and a spiral groove 1
52 are formed. Further, a coil 154 is wound around the channel 153 along the groove 152.

As described above, by winding the coil 154 in addition to the configuration of the second embodiment, the resilience of the channel is further increased, and the insertion portion cover is wound and packed in a bent state. Also in the case of (1), it is possible to make it difficult for the insertion portion cover to bend.

FIG. 34 is an explanatory view showing the structure of a channel provided in the insertion portion cover of the endoscope cover according to the fourth embodiment of the present invention.

The fluid line 26 and the suction line 2 of the fourth embodiment
As shown in FIG. 34, the channel 155 constituting the endoscope insertion channel 25 and the like has a PTF like the third embodiment.
E-tube, etc., and a spiral groove 1
52 are formed, and the coil 154 is wound along the groove 152. In addition, the channel 155
4 is covered with an elastic resin 156.

As described above, in addition to the configuration of the third embodiment, by covering the outer peripheral portion with the elastic resin 156, the resilience of the channel is further increased, and the insertion portion cover portion is wound around and packed in a bent state. Even in the case of a packaging form, it is possible to make it difficult for the insertion portion cover to bend.

The channels constituting the fluid conduit 26, the suction conduit 28, the endoscope insertion channel 25, and the like as described above are not limited to the tube composed of PTFE. Those made of rubber or the like can also be used.

[0127]

According to the present invention, as described above, according to the present invention , the insertion portion cover and the universal cord are inserted into the insertion portion cover and the universal cord.
When attaching the universal cord cover, be sure to
Ju to integrate with each other a plurality of conduits derived from over, until near the end of the universal cord except out end portion
And put it inside the universal cord cover.
Since it is installed , the plurality of conduits can be easily mounted without being separated or bulky . Also, multiple pipelines
Is bundled with a tube and a universal cord cover
Therefore, make the universal cord cover thin and soft
Therefore, there is an effect that it can be formed and made inexpensively .

[Brief description of the drawings]

FIG. 1 to FIG. 26 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory view showing an entire configuration of an endoscope apparatus of an endoscope cover type.

FIG. 2 is an explanatory diagram showing an overall configuration of a cover endoscope to be inserted into an endoscope cover;

FIG. 3 is a cross-sectional view showing a configuration of an insertion portion of the endoscope device of the endoscope cover type.

FIG. 4 is a perspective view showing a configuration of a cover distal end portion of the insertion portion cover portion.

FIG. 5 is an explanatory diagram showing a configuration of a connection portion between a fluid control device and a fluid conduit of an endoscope cover.

FIG. 6 is an explanatory diagram showing an example of a configuration in which fluid conduits are joined together at an insertion portion cover portion.

FIG. 7 is a cross-sectional view showing a connection portion of a gas supply control valve provided in the fluid control device with a fluid pipeline.

FIG. 8 is a perspective view showing the appearance of an air supply control valve.

FIG. 9 is a sectional view showing an operation state of the air supply control valve shown in FIG. 7;

FIG. 10 is a cross-sectional view showing a configuration of a connection portion when a silicone tube is connected to a fluid conduit in the air supply control valve.

FIG. 11 is an explanatory view showing a configuration of an insertion portion cover portion and a fluid conduit extending from the insertion portion cover portion.

FIG. 12 is a perspective view showing a binding state of the fluid pipeline and the suction pipeline shown in FIG. 11;

FIG. 13 is an explanatory diagram showing a state in which an operation unit cover and a universal code cover are placed on the cover endoscope shown in FIG. 11 with an insertion unit cover attached thereto.

FIG. 14 is a diagram showing a first means of bundling a fluid line and a suction line.
Perspective view showing a modification of

FIG. 15 shows a second means of bundling the fluid line and the suction line.
Perspective view showing a modification of

FIG. 16 is a cross-sectional view showing a configuration of a distal end portion of an insertion portion cover portion in a state where an insertion portion of the endoscope for a cover is inserted.

FIG. 17 is an explanatory diagram showing a configuration of a coupling portion between an insertion portion and an operation portion of the endoscope for a cover.

FIG. 18 is an explanatory diagram showing a configuration of an endoscope operation unit fixing mouth body at a base end of the insertion unit cover;

FIG. 19 is a perspective view showing a state when the insertion unit cover is attached to the cover endoscope.

FIG. 20 is a cross-sectional view showing a state where the insertion unit cover is fixed to the cover endoscope.

FIG. 21 is a perspective view showing the appearance of a state in which the insertion portion cover is fixed to the cover endoscope.

FIG. 22 is a cross-sectional view showing a configuration of a modification of the insertion portion cover in which the endoscope insertion channel is coaxial between the distal end side and the proximal side.

FIG. 23 is a perspective view showing a configuration of a cover fixing portion at the base end portion of the endoscope insertion portion in the modification shown in FIG. 22;

FIG. 24 is an explanatory diagram showing a state in which the endoscope insertion section of the modification shown in FIG. 22 is mounted on the insertion section cover;

FIG. 25 is an explanatory diagram showing a configuration of a packing material for packing the insertion portion cover.

FIG. 26 is an explanatory view showing a state in which the insertion section of the endoscope apparatus of the endoscope cover type with the insertion section cover attached is hung vertically.

FIG. 27 is an explanatory cross-sectional view showing the configuration of a first example of the insertion unit cover for a child scope that covers the second cover type endoscope;

28 is a perspective view showing a configuration of a distal end portion of the insertion section cover for a child scope shown in FIG. 27.

FIG. 29 is a cross-sectional view showing a state in which the insertion portion of the second endoscope for cover is inserted into the forceps insertion port provided with the insertion portion cover for child scope of the first example.

FIG. 30 is a sectional explanatory view showing the configuration of a second example of the insertion section cover for a child scope that covers the second cover type endoscope;

FIG. 31 is a cross-sectional view showing a state where the insertion section of the second endoscope for cover is inserted into the forceps insertion port provided with the insertion section cover for a child scope of the second example.

FIG. 32 is an explanatory view showing a configuration of a channel provided in an insertion portion cover portion of the endoscope cover according to the second embodiment of the present invention.

FIG. 33 is an explanatory view showing a configuration of a channel provided in an insertion portion cover portion of the endoscope cover according to the third embodiment of the present invention.

FIG. 34 is an explanatory view showing a configuration of a channel provided in an insertion portion cover portion of an endoscope cover according to a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Endoscope apparatus of an endoscope cover system 2A ... Endoscope of an endoscope cover system 2B ... Endoscope of a 2nd endoscope cover system 3A ... Endoscope cover 3B ... 2nd endoscope Mirror cover 4A ... Endoscope for cover 4B ... Endoscope for second cover 5A, 5B ... Cart 7 ... Light source device 8 ... Video processor 9 ... Fluid controller 10 ... Endoscope cover extender 11 ... Monitor 12 ... Operating part 13 ... Universal cord 14 ... Endoscope insertion part 22 ... Insertion part cover part 23A, 23B ... Operation part cover part 24A, 24B ... Universal code cover part 25 ... Endoscope insertion channel 26 ... Fluid conduit 28 ... Suction Pipeline 29: Cover tip 30: Endoscope operating unit fixing mouth 31: Insert cover outer skin 41: Endoscope cover type endoscope device insertion unit 111: Packing material 112: Tray 113: Package14 ... spiral groove

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akira Suzuki 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside O-Limpus Optical Industrial Co., Ltd. (72) Yoshio Tashiro 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside the Olympus Optical Co., Ltd. (72) The creator Osamu Mizuta 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside the Olympus Optical Co., Ltd. Toshiyuki Kubotani 2-43-2, Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Industry Co., Ltd. Judicial Chief Judge Kunio Matsumoto Judge Jiro Abe Judge Judge Fujiwara Keiji Fujiwara (56) References JP-A-4-354928 (JP, A) JP-A-4-325138 (JP, A)

Claims (1)

(57) [Scope of request for utility model registration] 1. An endoscope having an elongated insertion section containing observation means and a universal cord connected to an external device, and an insertion section having a plurality of conduits and covering the insertion section of the endoscope.
A cover and a unit for covering the universal cord of the endoscope.
In an endoscope device of an endoscope cover type provided with a versal cord cover, a plurality of conduits led out from the insertion portion cover are integrated with each other up to the vicinity of an end of the universal cord except for a lead-out end. Together with a tube
An endoscope device of an endoscope cover type, wherein the endoscope device is housed in a monkey cord cover .