JPH0661204U - Endoscope operation part cover - Google Patents

Abstract

(57) [Abstract] [Purpose] When the endoscope is covered with an endoscope cover to prevent contamination, the contamination of the external camera mounted on the eyepiece of the endoscope is also prevented. The operation unit 12 of the cover endoscope and the video camera 3 attached to the eyepiece 12a at the rear end of the operation unit 12 are covered with two cover members of the operation unit cover unit 24 to fix the fastener unit. close. As a result, the operating section 12 and the video camera 3 can be covered together by the operating section cover section 24 to be kept clean at all times, and cleaning and disinfection can be omitted after the endoscopic examination.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an endoscope operation section cover which is a part of an endoscope cover for preventing contamination of an endoscope.

[0002]

[Prior art]

 In recent years, endoscopes have been widely used in the medical field and the like. In endoscopic examinations in the medical field, it is necessary to use a clean endoscope that has been thoroughly cleaned and disinfected beforehand, and the time and cost required for cleaning and disinfecting this endoscope is the efficiency of the endoscope. It is one of the factors that hinder the effective use.

Therefore, recently, it is necessary to cover the endoscope itself with an endoscope cover so that the endoscope itself does not become dirty even after use and is washed or sterilized. There has been proposed an endoscopic technique based on an endoscopic cover method, which is described, for example, in Japanese Patent Publication No. 2-54734 and USP 3,162,190. There is.

In the endoscope cover method, the endoscope is covered with a clean endoscope cover that has been sterilized in advance, and the endoscope cover is removed and discarded after the inspection is completed. The cover will be disposable for each patient. Therefore, it is very hygienic, and it is possible to save the trouble of cleaning and disinfecting the endoscope itself.

[0005]

[Problems to be solved by the device]

 By the way, the cover endoscope mounted on the endoscope cover has a structure similar to that of a conventional endoscope used without a cover, and a conventional endoscope used without a cover. It is also possible to use a mirror, and an electronic endoscope in which a solid-state imaging device such as a charge-coupled device (CCD) is arranged in the imaging part at the tip of the insertion part and an optical endoscope that can be observed with the naked eye. Is roughly divided into When an optical endoscope is used as the cover endoscope, an external camera such as a camera (photographer) or a video camera is used to meet the needs of recording an observation image and image processing. Often attached to and used.

However, since the size of the conventional endoscope cover is set only for the endoscope alone and the operability of the endoscope after coating is set, for example, an endoscope including a sheet-shaped soft cover is set. It takes skill to mount the external camera through the cover, and even if it can be mounted, the external camera will be uncovered and will be dirty. In this case, cleaning and disinfecting a dirty external camera requires a lot of time and labor, and the external camera is too expensive to dispose of the dirty external camera.

The present invention has been made in view of the above circumstances, and when contamination is prevented by covering the endoscope with an endoscope cover, contamination of an external camera attached to the eyepiece of the endoscope is prevented. It is an object of the present invention to provide an endoscope operation section cover that can also prevent the operation.

[0008]

[Means for Solving the Problems]

 The endoscope operation section cover of the present invention is a part of the endoscope cover attached to the endoscope, and is an endoscope operation section cover for covering at least the operation section of the endoscope, The cover member that covers the operation portion and the cover member that covers the external camera connected to the eyepiece provided on the operation portion are integrally formed.

[0009]

[Action]

 According to the present invention, when the endoscope cover is attached to the endoscope, at least the operation portion of the endoscope and this operation portion are provided by the endoscope operation portion cover which is a part of the endoscope cover. Cover with an external camera connected to the eyepiece.

[0010]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 to 13 relate to a first embodiment of the present invention, FIG. 1 is a side view showing a state in which an operation section of a cover endoscope and a video camera are covered with an operation section cover section, and FIG. FIG. 4 is a top view showing a state in which the operation section of the endoscope and the video camera are covered with the operation section cover section, FIG. 3 is an overall view showing the configuration of the endoscope apparatus of the endoscope cover system, and FIG. FIG. 5 is a cross-sectional view showing the bar portion, FIG. 5 is a perspective view showing the tip of the cover, FIG. 6 is a front view of the tip of the cover, FIG. 7 is an external view of the endoscope cover with channels, and FIG. Side view of the cover member, FIG. 9 is a front view of the cover member corresponding to the bending operation knob side, FIG. 10 is an explanatory view showing the state in which the fastener part is opened, and FIG. 11 is the fastener part closed. FIG. 12 is an explanatory view showing a state, and FIG. 12 is an explanatory view showing a state in which a fastener part having another configuration is opened. Figure 13 is an explanatory view showing a closed state of the fastener portion of the other configurations.

In FIG. 3, reference numeral 10 is an endoscope apparatus, and in this endoscope apparatus 10, an endoscope cover (hereinafter abbreviated as a cover) 1 with a channel is an optical endoscope. The cover endoscope 2 and the video camera 3 as an external camera attached to the eyepiece portion 12a of the cover endoscope 2 are covered, and the inside of the cover after the endoscopic examination is covered. It is not necessary to clean and disinfect the endoscope 2 and the video camera 3.

Various peripheral devices such as a light source device 4, a fluid control device 6, and an endoscope cover dilator (hereinafter abbreviated as dilator) 7 with a channel are connected to the cover endoscope 2. Further, a video processor 5, a monitor 8 and the like are connected to the video camera 3. In these peripheral devices, the light source device 4, the video processor 5, the fluid control device 6, and the dilator 7 are housed in a cart 9, and the monitor 8 is placed on the top plate of the cart 9. ing.

The light source device 4 supplies illumination light to the cover endoscope 2, and the video processor 5 described above is provided from the video camera 3 having a built-in solid-state imaging device such as a charge-coupled device. The signal is converted into a standard video signal and output to the monitor 8. The monitor 8 receives the video signal and displays an endoscopic image.

The fluid control device 6 performs air supply / water supply, etc. through a pipe line provided in the cover 1 and will be described later. Therefore, the fluid control device 6 includes a water supply source. 11, an air supply source and the like (not shown) are provided. The water supply source 11 and the pipeline connected to the air supply source (not shown) are controlled to be opened and closed by a solenoid valve. Further, the expander 7 blows air into the cover 1 to expand the cover 1 so that the cover endoscope 2 can be easily attached to or removed from the cover 1.

The cover endoscope 2 has substantially the same structure as a conventional endoscope used without a cover, and has a large-diameter operation portion 12 provided with an air / water supply switch, a suction switch, and the like. And an elongated insertion portion 14 (see FIG. 4) extended from the proximal end side of the operation portion 12, and the universal cord 13 extended from the operation portion 12. An eyepiece portion 12a is provided at the rear end of the eyepiece so that it can be observed with the naked eye.

The cover endoscope 2 is detachably connected to the light source device 4 via a connector 15 provided at an end of the universal cord 13, and the video camera 3 is connected to a camera cable 16. It is detachably connected to the video processor 5 via a terminal signal connector 17.

As shown in FIG. 4, the insertion portion 14 of the cover endoscope 2 has a flexible portion (not shown) formed of a flexible tube in order from the proximal end side to the distal end side of the operation portion 12. The bendable bending portion 19 has a semicircular cross-sectional shape, and is composed of a hard tip portion 20 that is mounted on a cover tip portion 29 of the cover 1 described later.

The bending portion 19 has a plurality of bending pieces 19a therein. By operating a bending operation knob 21 (see FIG. 2) attached to a side portion of the operation portion 12, the bending pieces 19a described above are operated. 19a is driven, and the bending portion 19 is bent, for example, vertically and horizontally.

As will be described later, the bending operation knob 21 is attached after the operation portion 12 is covered with the cover 1, and is a disposable type discarded after the end of the endoscopic inspection, or It is supposed to be washed and disinfected and reused after the endoscopy is completed.

An objective optical system 22 and an illumination optical system 37 (see FIG. 5) are arranged at the tip portion 20, and an image guide 23 made of an optical fiber bundle is provided at the rear end of the objective optical system 22. It is arranged. The rear end of the image guide 23 faces an eyepiece optical system (not shown) provided in the eyepiece portion 12a, and an electric signal output from the video camera 3 attached to the eyepiece portion 12a is transmitted. It is adapted to be input to the video processor 5 via the camera cable 16.

On the other hand, as shown in FIG. 7, the cover 1 covers the operation portion 12 of the cover endoscope 2 including the universal cord 13, the video camera 3, and the camera cable 16. And an insertion section cover section 26 that covers the insertion section 14 of the cover endoscope 2. The insertion section cover section 26 further includes the insertion section cover section 26. An operation part fixing mouth part (hereinafter abbreviated as mouth part) 27 for fixing the second operation part 12, a cover tip part 29, and an airtight connection between the mouth part part 27 and the cover tip part 29. In addition, the cover endoscope 2 is formed of a flexible insert portion cover outer skin 28 that isolates the insert portion 14 of the cover endoscope 2 from the external environment.

As shown in FIG. 4, an air supply tube 31, a water supply tube 32, and a suction tube 33 are arranged in the insertion section cover part 26, and the air supply tube 31 and the water supply tube 31 are provided. The tip of the tube 32 is in communication with an air / water feed nozzle 34 provided in the cover tip 29, and the tip of the suction tube 33 is in communication with a forceps outlet 35 that also serves as a suction port.

The tip opening of the air / water feeding nozzle 34 faces the outer surface of the transparent semi-circular cover glass 36 as an observation window, and as shown in FIGS. The glass 36 is fitted into a locking portion 38 provided at a position corresponding to the illumination optical system 37 and the objective optical system 22 arranged at the tip portion 20 of the cover endoscope 2, and the periphery is liquid-tight. It is glued and fixed to.

The proximal ends of the air supply tube 31, the water supply tube 32, and the suction tube 33 extend from the mouth portion 27, and together with the universal code 13 of the cover endoscope 2, the operation portion. It is extended to the fluid control device 6 side in a state of being covered by the cover portion 24, and the base end thereof is connected to the fluid control device 6. Therefore, by supplying air / water through the air supply tube 31 and the water supply tube 32, it is possible to remove the body fluid and the like attached to the cover glass 36.

Further, a forceps insertion port 39 into which forceps can be inserted and an expansion tube mouth 41 to which an expansion tube 40 provided in the expander 7 is connected are provided on a side surface of the mouth body portion 27. . The forceps insertion port 39 communicates with the suction tube 33, and the expansion tube port 41 is provided at a position separated by 90 ° or more in the radial direction from the forceps insertion port 39, and one of them is provided. When used, they are separated so that the other does not get in the way.

An endoscope insertion channel 42 for inserting (removing) the insertion portion 14 of the cover endoscope 2 therein is opened at the hand side of the mouth portion 27, and It communicates with the expansion tube body 41 and has a groove 27a formed outside. The endoscope insertion channel 42 refers to the air supply tube 31, the water supply tube 32, from the internal space surrounded by the cover tip portion 29, the insertion portion cover outer skin 28, and the mouth body portion 27. The suction tube 33 is removed and the cover endoscope 2 is inserted.

Next, the operation portion cover portion 24 is a sheet-shaped bag made of a soft resin that is liquid-tightly attached to the rear end of the mouth portion portion 27, and as shown in FIG. A storage portion 51 that is formed to match the external shape of the operation portion 12 of the cover endoscope 2 is formed behind the storage portion 50 that is formed to match the external shape of the operation portion 12 of the video camera 3. Under the portions 50 and 51, cylindrical storage portions 50a and 51a, which substantially match the external shapes of the universal cord 13 and the camera cable 16, respectively, are formed in parallel and extend.

Further, the operation section cover section 24 can divide the bag body into two bodies by the fastener section 52 along the longitudinal direction of the operation section 12 of the cover endoscope 2. By removing the fastener part 52, as shown in FIGS. 8 and 9, a cover member 24a corresponding to the opposite side of the bending operation knob 21 to the operation part 12 of the endoscope 2 for the cover, It is divided into a bending operation knob 21 side cover member 24b provided with a hole 53 for a bending operation shaft 55 described later.

As shown in FIG. 10, the fastener portion 52 has a groove portion 52a and a convex portion 52b provided on the outer peripheral side of the cover member 24a, and a convex portion 52c and a convex portion 52c provided on the outer peripheral side of the cover member 24b. The convex portion 52c on the cover member 24b side is slightly wider than the groove portion 52a on the cover member 24a side, and the concave portion 52d on the cover member 24b side is formed on the cover member 24a side. The width is slightly smaller than that of the convex portion 52b.

The cover 1 having such a configuration is completely sterilized in a packed state, the clean cover endoscope 2 is covered with the clean cover 1, and the cover 1 is discarded after the inspection is completed. On the other hand, the cover endoscope 2 is covered with a new clean cover 1 and is repeatedly used.

When the cover endoscope 2 and the video camera 3 are covered with the cover 1, after the insertion portion 14 of the cover endoscope 2 is attached and fixed to the insertion portion cover portion 26, With respect to the operation section 12 of the endoscope 2 and the video camera 3 mounted on the eyepiece section 12a at the rear end of the operation section 12, the cover member 24b of the operation section cover section 24 is attached to the operation section 12 of the operation section 12. The side where the bending operation knob 21 is attached is covered with the other cover member 24a.

Next, as shown in FIG. 11, by engaging the groove portion 52a and the convex portion 52c of the respective cover members 24a and 24b, and the convex portion 52b and the concave portion 52d by utilizing the elasticity of the respective materials, The fastener part 52 is closed to form a bag. The cover members 24a and 24b may have a uniform thickness as a whole, but the elasticity of the material can be used more effectively by increasing the thickness of only the fastener portion 52 on the outer peripheral side. .

After the operation portion cover portion 24 is liquid-tightly fixed to the mouth portion portion 27 of the insertion portion cover portion 26, the excess bag body of the operation portion cover portion 24 is removed as shown in FIG. The space is fixed to the universal cord 13, the eyepiece 12a, and the camera cable 16 by fixing them with band members 54, respectively, and as shown in FIG. 2, an operation knob 21a for vertical bending and a horizontal bending The bending operation knob 21 including the operation knob 21b is attached to the bending operation shaft 55 of the operation unit 12 to complete the covering, and the peripheral devices are connected.

As a result, the operation section 12 of the cover endoscope 2 and the video camera 3 attached to the eyepiece section 12 a provided at the rear end of the operation section 12 are combined together by the operation section cover section 24. In the covered state, the switch 3a such as freeze and release of the video camera 3 can be operated, and the endoscope 2 for cover and the video camera 3 can be always kept clean. Therefore, after the endoscopic examination, it is possible to omit the cleaning and disinfection of the video camera 3 as well as the cover endoscope 2.

The fastener portion 52 may be the fastener portion 56 having the structure shown in FIGS. 12 and 13, and the fastener portion 56 is provided with a spherical protrusion 57 on the cover member 24a and the cover member 24b with the spherical protrusion 57. It has a configuration in which a concave portion 58 that engages with the protrusion 57 is provided. Even with such a fastener portion 56, its action and effect are not changed at all.

14 and 15 relate to a second embodiment of the present invention, FIG. 14 is an external view of an endoscope cover with a channel, and FIG. 15 is an explanatory view showing an operation section cover section with a fastener section opened. . In the following description, the same members as those in the first embodiment described above are designated by the same reference numerals, and detailed description thereof will be omitted.

In the present embodiment, the cover 1 of the first embodiment described above is replaced with a cover 60 which is different only in the operation section cover section 61. The operation section cover section 61 has a bag body formed by one member. To form.

As shown in FIG. 14, the operation section cover section 61 has the same shape as the operation section cover section 24 of the first embodiment described above, and accommodates the operation section 12 of the cover endoscope 2. The storage section 50, the storage section 51 for storing the video camera 3, the storage section 50a for storing the universal cord 13, and the storage section 51a for storing the camera cable 16 are formed, but the position where the fastener section 52 is provided is the same as described above. It is different from the operation portion cover portion 24 of the first embodiment.

That is, as shown in FIG. 15, the operation portion cover portion 61 of the present embodiment is capable of forming a bag body from one member, and is a storage portion for storing the universal cord 13. A part of the bag can be opened by providing the fastener part 52 except for the periphery of the side of 50a.

Therefore, in the present embodiment, as in the first embodiment described above, not only can the cover endoscope 2 and the video camera 3 be kept clean at all times, but the operation portion cover portion 61 can be replaced by one. Since the member is formed as a bag body and a part of the bag body can be opened, the cover can be easily attached and detached, and the operation section cover part 61 can be divided into two parts. There is no danger of losing one.

16 to 20 show a third embodiment of the present invention, FIG. 16 is an external view of an endoscope cover with a channel, and FIG. 17 is a front view of a cover member corresponding to the opposite side of the bending operation knob. FIG. 18 is a front view of the cover member corresponding to the bending operation knob side, FIG. 19 is a side view showing a state in which the operation section of the endoscope for a cover and the camera are covered with the operation section cover section, and FIG. FIG. 6 is a top view showing a state in which the operation section and the camera of the endoscope are covered with the operation section cover section.

This embodiment is different from the above-described first embodiment in that a camera (photographer) 73 is used as an external camera instead of the video camera 3 as shown in FIGS. 19 and 20. This is an example of integrally covering the operation section 12 of the cover endoscope 2 to which 73 is attached.

As shown in FIG. 16, the cover 70 of the present embodiment is different from the cover 1 of the above-mentioned one embodiment only in the operation portion cover portion 71, and this operation portion cover portion 71 has a mouth portion. 27 is a bag made of a sheet-shaped soft resin that is liquid-tightly attached to the rear end of the camera, and is provided behind the camera 50 at the rear of the storage section 50 that is formed to substantially match the external shape of the operation section 12 of the cover endoscope 2. An accommodating portion 72 that is substantially matched to the outer shape of the universal cord 13 is formed, and a cylindrical accommodating portion 50a that is substantially matched to the outer shape of the universal cord 13 is formed and extended at the bottom of the accommodating portion 50. There is.

Further, in the operation section cover section 71, the bag body can be divided into two bodies by the fastener section 52 along the longitudinal direction of the operation section 12 of the cover endoscope 2. By removing the fastener portion 52, as shown in FIGS. 17 and 18, the cover member 71a corresponding to the opposite side of the bending operation knob 21 to the operation portion 12 of the cover endoscope 2 and the bending operation. It is divided into a cover member 71b provided with a bending operation shaft 55 corresponding to the knob 21 side.

To cover the endoscope 2 for cover, the camera 73, and the relays switch 74 of this camera 73 with the operation portion cover portion 71 of this embodiment, as in the case of the first embodiment described above, After the fastener portion 52 is closed to form a bag body, as shown in FIG. 19, the excess space of the bag body of the operation portion cover portion 71 is fixed to the universal cord 13 and the eyepiece portion 12a by the band members 54, respectively. In summary, as shown in FIG. 20, the bending operation knob 21 is attached to the bending operation shaft 55. Further, an eyepiece ring 71c is attached to the eyepiece portion 73a of the camera 73 over the operation portion cover portion 71 to secure a visual field.

Also in this embodiment, the operation section cover section 71 includes the operation section 12 of the cover endoscope 2 and the camera 73 attached to the eyepiece section 12 a provided at the rear end of the operation section 12. Since the cover endoscope 2 and the camera 73 can be kept clean, the cover endoscope 2 and the camera 73 can be always kept clean, and cleaning / disinfection after the endoscopic examination can be omitted.

21 and 22 show a fourth embodiment of the present invention, FIG. 21 is an external view of an endoscope cover with a channel, and FIG. 22 is an explanatory view showing an operation portion cover portion with a fastener portion opened. .

In this embodiment, the cover 70 of the third embodiment described above is replaced with a cover 75 which is different only in the operation portion cover portion 71, and the operation portion cover portion 76 of this cover 75 is one member. To form a bag.

That is, as shown in FIG. 21, the operation portion cover portion 76 has the same shape as the operation portion cover portion 71 of the above-described third embodiment, and the operation portion 12 of the cover endoscope 2 is provided. A storage unit 50 for storing, a storage unit 72 for storing the camera 73, and a storage unit 50a for storing the universal cord 13 are formed, but as shown in FIG. 22, it is possible to open a part of the bag body. The fastener portion 52 is provided except for the periphery of the side portion of the storage portion 50a that stores the universal cord 13.

Also in this embodiment, the cover endoscope 2 and the camera 73 can be always kept clean as in the third embodiment, and the operation portion cover portion 76 is a single member. Since it is formed as a part of the bag, it is possible to open a part of this bag, which makes it easy to attach and remove the cover, and the operating cover 76 is not divided into two parts, so one of them is lost. There is no danger of

In each of the above embodiments, the combination of the endoscope cover with the channel and the endoscope for the cover has been described, but the present invention is not limited to this, and the endoscope without the channel is described. It can be a cover. Further, as the cover endoscope, it is possible to use an endoscope having a rigid insertion portion, and further, a conventional endoscope without a cover.

By the way, as described above, the cover endoscope 2 is configured such that the bending operation knob 21 is attached to the bending operation shaft 55 after being covered with the cover. As shown in FIG. 34, the bending operation shaft 55 generally includes a bending operation shaft 55a for up and down bending and a bending operation shaft 55b for left and right bending, and the operation knob 21a for up and down bending is the bending operation shaft. The knob 55 is fixed to the shaft 55a by a knob tightening fixing member 80, and the operation knob 21b for left and right bending is fixed to the bending operation shaft 55b by a knob tightening fixing member 81.

In this case, the conventional operation section cover section 150 that covers the operation section 12 of the cover endoscope 2 has a hole through which the bending operation shaft 55 is inserted, and the operation section 12 is almost the same as the operation section. Although it is covered by the cover portion 150, if it is left as it is, the bending operation shaft 55 may be exposed to the outside and contaminated, and cleaning and disinfection were required.

Therefore, in the operation portion cover portion 82 shown in FIG. 23, a bending operation shaft cover member 83 that covers the outer circumference of the bending operation shaft 55 is attached around the hole through which the bending operation shaft 55 is inserted, and the bending operation shaft cover member 83 is attached. It is possible to prevent the shaft 55 from being contaminated.

It should be noted that the operation section cover section 82 is a general term for the operation section cover sections 24, 61, 71, and 76 of the above-described embodiments, and further, the operation section cover sections of other configurations. Are also collectively referred to.

Further, conventionally, the bending operation knob provided on the operation section of the endoscope is provided near the operation section main body, but at the time of endoscopic examination, the operator holds the insertion section of the endoscope. Since the bending operation knob is operated with, it is necessary to carefully inspect so that the hand operating the bending operation knob does not touch the operation unit body and contaminate the operation unit.

Therefore, as shown in FIG. 24, in the operation section 90 including the switch section 90b in the operation section main body 90a, the bending operation shaft 91 protruding from the operation section main body 90a, which is the grip section, is a long axis. ing. The long bending operation shaft 91 is supported by a guide 90c provided on the side of the operation portion main body 90a, and as shown in FIG. 25, the bending operation shaft 94 for up and down bending is operated for up and down bending. A knob 92 is attached, and an operation knob 93 for left / right bending is attached to a bending operation shaft 95 for left / right bending.

The bending operation shafts 94 and 95 are connecting members that connect the bending operation knobs 92 and 93 and a bending drive mechanism inside the operation unit 12, and the bending drive mechanism inside the operation unit 12 is A chain (not shown) is assembled to the sprockets 96, 97 respectively attached to the ends of the bending operation shafts 94, 95, and the chain is provided on the bending portion of the endoscope through a wire (not shown) at the tip of the chain. It is connected to a curved piece. When the bending operation knob 92 or the bending operation knob 93 is turned, the wire is pushed and pulled to bend.

As described above, since the bending operation knobs 92 and 93 are arranged at positions sufficiently far from the operation portion main body 90a and kept away from each other, even if the bending operation knobs 92 and 93 are operated with dirty hands, the operation can be performed. It does not stain the part body 90a.

Further, as shown in FIG. 26, the engagement knobs 98 and 99 of the bending engagement mechanism for fixing the bending operation position are attached at positions sufficiently far from the operation portion main body 90 a, like the bending operation knobs 92 and 93. As a result, it is possible to further reduce the possibility that the operation section main body 90a becomes dirty.

Further, conventionally, in the endoscope cover method in which the cover endoscope is covered with the cover, the operation portion of the cover endoscope is covered with the operation portion cover portion made of a sheet-shaped soft resin. , It was difficult to grasp the operation part.

To deal with this, the operation portion cover portion 100 shown in FIG. 27 is formed of a relatively hard resin or the like so that it can be easily grasped, and is fixed to the cover main body 110 and the cover main body 110. A plurality of fixing holes 112 formed in the mating surface 111 of the cover body 110, and a protrusion of the cover lid 120 provided in a portion corresponding to the fixing holes 112. 121 is engaged to form an operation section cover section.

In the cover body 110, a switch cover 113 provided in a portion of the cover endoscope corresponding to the switch is formed of a soft resin, and the other portions are formed of a relatively hard plastic resin. There is. An opening 114 is formed in the cover body 110 at a portion corresponding to the universal cord 13 of the cover endoscope, for example, the cover endoscope 2 described above. A groove portion 115 for locking the universal cord cover 140 is provided.

Further, as shown in FIG. 28, in order to retrofit the bending operation knob 21 to the bending operation shaft 55, the cover main body 110 is provided with a hole 116 in a corresponding portion, and the grip portion has a sliding portion. A stop 117 is formed.

On the other hand, in the cover lid 120, an opening 122 is formed in a portion corresponding to the universal cord 13 of the cover endoscope 2 as in the cover body 110, and a universal cord cover is formed on an outer peripheral surface thereof. A groove 123 for locking the 140 is formed. Further, a slip stopper 124 is formed on the grip portion of the cover lid 120 as well.

The operation section cover section 100 can be connected and fixed to the mouth section 27 described above, and as shown in FIGS. 29 and 30, a first engaging section formed on the cover body 110. 118 and the second engaging portion 125 formed on the cover lid 120 form a locking portion having a diameter smaller than the diameter of the groove 27a of the mouth portion 27, and are fitted and coupled to the groove 27a. It is supposed to be done.

By the way, in the operation portion cover portion 100, the hand side air supply tube 130, the hand side water supply tube 131, and the hand side suction tube 132 extended from the mouth portion 27 are respectively arranged, As shown in FIG. 31, the universal cord 13 of the cover endoscope 2 extends from the outlet formed by the opening 114 of the cover body 110 and the opening 122 of the cover lid 120. .

The tubes 130, 131, 132 and the universal cord 13 are covered with a universal cord cover 140 made of a sheet-shaped soft resin shown in FIG. The universal cord cover 140 is wound so as to cover the tubes 130, 131, 132 and the universal cord 13, and the tubes 130, 131, 132 are branched at the end of the universal cord 13. It is fixed by a binding member in the extended state.

Further, a ribbon-shaped binding portion 141 is provided at a substantially end portion of the universal cord cover 140, and as shown in FIG. 33, the binding portion 141 causes the base portion side of the universal cord cover 140 to be the above-mentioned. The cover body 110 is engaged with an engaging portion formed of the groove portion 115 and the cover lid body 120 of the groove portion 123, and is further fixed by a binding member 142 to be connected to the operation portion cover portion 100. The tubes 130, 131, 132 branched and extended from the universal cord cover 140 are connected to the fluid control device 6 of FIG. 3 described above.

As described above, since the operating portion of the cover endoscope is covered with the operating portion cover portion 100 made of a relatively hard resin, the operating portion is covered as compared with the conventional flexible operating portion cover portion. This makes it much easier to grip and improve the operability.

[0071]

[Effect of device]

 As described above, according to the present invention, when contamination is prevented by covering the endoscope with the endoscope cover, at least the inside of the endoscope operation portion cover, which is a part of the endoscope cover, prevents the contamination. Since the operation part of the endoscope and the external camera connected to the eyepiece provided on this operation part are covered together, the endoscope as well as the external camera is always kept clean. It is possible to obtain excellent effects such as

[Brief description of drawings]

FIG. 1 is a side view showing a state in which an operation section of a cover endoscope and a video camera are covered with an operation section cover section according to a first embodiment of the present invention.

FIG. 2 is a top view showing a state in which the operation section of the cover endoscope and the video camera are covered with the operation section cover section.

FIG. 3 is an overall view showing a configuration of an endoscope device of an endoscope cover system.

FIG. 4 is a cross-sectional view showing the insertion portion cover portion of the above.

FIG. 5 is a perspective view showing the tip of the cover.

FIG. 6 is a front view of the tip of the cover as above.

FIG. 7: Same as above, external view of endoscope cover with channel

FIG. 8 is a front view of the cover member corresponding to the opposite side of the bending operation knob.

FIG. 9 is a front view of a cover member corresponding to the bending operation knob side of the above.

FIG. 10 is an explanatory view showing a state in which the fastener portion is opened as above.

FIG. 11 is an explanatory view showing a state in which the fastener part is closed.

FIG. 12 is an explanatory diagram showing a state in which a fastener part having another configuration is opened, as above.

FIG. 13 is an explanatory diagram showing a state in which a fastener part having another configuration is closed, as described above.

FIG. 14 is an external view of an endoscope cover with a channel according to the second embodiment of the present invention.

FIG. 15 is an explanatory view showing the operation section cover section with the fastener section opened as above.

FIG. 16 is a perspective view showing an endoscope cover with a channel according to a third embodiment of the present invention.

FIG. 17 is a front view of the cover member corresponding to the opposite side of the bending operation knob.

FIG. 18 is a front view of a cover member corresponding to the bending operation knob side of the above.

FIG. 19 is a side view showing a state in which the operation section and the camera of the cover endoscope are covered with the operation section cover section.

FIG. 20 is a top view showing a state in which the operation section and the camera of the cover endoscope are covered with the operation section cover section.

FIG. 21 is an external view of an endoscope cover with a channel according to the fourth embodiment of the present invention.

FIG. 22 is an explanatory view showing the operation section cover section with the fastener section opened as above.

FIG. 23 is a cross-sectional view around the bending operation knob.

FIG. 24 is an explanatory view showing the arrangement of the bending operation knob with respect to the endoscope operation section.

FIG. 25 is a cross-sectional view around a bending operation knob and a bending operation shaft.

FIG. 26 is an explanatory diagram showing the arrangement of a bending operation knob and an engagement knob with respect to the endoscope operation section.

FIG. 27 is an explanatory diagram of an operation section cover section.

FIG. 28 is a front view of the cover body.

FIG. 29 is an explanatory view showing an engagement portion of the operation portion cover portion with the endoscope operation portion fixing mouth portion.

FIG. 30 is an explanatory diagram showing the connection between the mouthpiece portion for fixing the endoscope operation portion and the operation portion cover portion.

FIG. 31 is an external view of the operation section cover section in which the cover endoscope is attached.

FIG. 32 is an explanatory view showing a universal cord cover.

FIG. 33 is an explanatory view showing the connection between the universal cord cover and the operation portion cover portion.

FIG. 34 is a sectional view around the bending operation knob.

[Explanation of symbols]

 1 endoscope cover with channel 2 endoscope for cover 3 video camera 12 operation part 24 operation part cover part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshihiro Iida 2-43-2 Hatagaya, Shibuya-ku, Tokyo Within Olympus Optical Co., Ltd. (72) Akira Suzuki 2-43 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Minoru Yamazaki 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Osamu Mizuta 2-43-2 Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Co., Ltd. (72) Inventor Tatsuya Furukawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Within Olympus Optical Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. An endoscope operation section cover which is a part of an endoscope cover mounted on an endoscope and covers at least an operation section of the endoscope, and a cover member which covers the operation section. An endoscope operation section cover, wherein a cover member for covering an external camera connected to an eyepiece provided on the operation section is integrally formed.