JPH0663001U - Endoscope cover type endoscope device - Google Patents

Abstract

(57) [Summary] [Purpose] Good operability can be obtained without obstructing the air and water supply conduits, etc. An endoscope cover type endoscope apparatus capable of preventing contamination is provided. An endoscope cover endoscope 7 having an operation section 16 in which a grip section 19 is continuously provided on the distal end side of an operation section body 20, and an elongated insertion section 17 extending from the operation section 16 to the distal end side.
An endoscope having an operation section cover for covering the operation section body 20 of the endoscope 7 and an insertion section cover section 11 for integrally covering the insertion section 17 and the grip section 19 of the endoscope 7. And an air supply conduit 39, a water supply conduit 4 from the proximal end of the gripper cover 61 of the insert cover 11.
0, an endoscope cover type endoscope device extending the suction pipe line 41.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an endoscope apparatus of an endoscope cover system, which uses 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. When performing endoscopy using the endoscope used in this medical field, it is necessary to use a clean endoscope that has been thoroughly washed and disinfected before the examination.

However, since an endoscope is often provided with an air / water supply conduit, forceps channels, etc., after use, the inside of these conduits is completely cleaned and sterilized. Has a problem that it takes a long time. If such sterilization is not performed sufficiently, the effect cannot be expected.Therefore, the sterilization must be carried out for a long time, which reduces the efficiency of use of the endoscope and the sterilization process. There was a problem that it was troublesome.

In view of such a problem, by using the endoscope main body covered with the endoscope cover and exchanging only the endoscope cover after use, the endoscope main body can be replaced even after use. Endoscope cover type endoscope devices that do not require cleaning or sterilization to prevent the endoscope body from becoming unclean are disclosed in, for example, European Patent Application Publication No. 0341719 and Japanese Patent Publication No. 2-54734. It is proposed in Japanese Patent No. 3162190.

More specifically, in an endoscope for an endoscope to which such an endoscope cover is attached, an insertion portion of the endoscope is cleaned and sterilized and disinfected in advance, and the endoscope cover is used. It is designed to be inserted into the patient's body cavity with the insertion part of the mirror covered, for inspection and treatment. After use, the endoscope cover that covered the endoscope body is removed and discarded. In this way, by disposing the endoscope cover for each patient, the endoscope body does not need to be washed or disinfected, and can be kept clean at all times, which is very hygienic. In addition, the endoscope body can be continuously used without re-cleaning and re-disinfecting, resulting in high usage efficiency.

An endoscope cover of a conventional endoscope cover type endoscope apparatus described in the above-mentioned European Patent Application Publication No. 0341719 includes an insertion portion cover portion that covers an insertion portion of an endoscope, And an operation part cover for covering the operation part of the mirror. The operation section of the endoscope has a grip section on the distal end side, and the operation section cover covers the grip section. With such a structure, the boundary between the operation portion cover and the insertion portion cover portion is located below the easily gripped grip portion. In this case, it is necessary to attach the cover with extreme caution in order to prevent the entry of dirt from the boundary part or the entry of dirt due to the operation cover being displaced during use of the endoscope. there were. In addition, a forceps channel, an air / water supply conduit, etc. are provided in the insertion section cover of this conventional endoscope cover, but the proximal end of the insertion section cover section as described above is located closer to the distal side than the grip section. If the structure is located at, the conduits that extend from the base end of the insertion section cover to the outside will be below the grasping section, and these conduits will obstruct the operation of the endoscope. There is also a problem that it is not good.

[0007]

[Problems to be solved by the device]

 As described above, in the conventional endoscope cover-type endoscope apparatus, the operability of the endoscope is good because the extension position of the duct provided in the endoscope cover is not good. However, there is a problem that sufficient care must be taken to prevent the boundary between the operation cover and the insertion cover from being contaminated. The present invention has been made in view of the above problems, and it is possible to obtain good operability and prevent contamination from the boundary between the operation cover and the insertion cover without requiring a high degree of caution. It is an object of the present invention to provide an endoscope cover type endoscope apparatus.

[0008]

[Means and Actions for Solving the Problems]

 In order to achieve the above-mentioned object, an endoscope cover type endoscope apparatus according to the present invention comprises an operating section for connecting a grip section to the distal end side of an operating section body and a distal end side extending from the operating section. An endoscope for an endoscope cover having an elongated insertion portion, an operation portion cover for covering the operation portion main body of the endoscope, and an insertion portion for integrally covering the insertion portion and the grip portion of the endoscope. And an endoscope cover having an entrance cover portion.

[0009]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 relate to a first embodiment of the present invention. FIG. 1 is a perspective view for explaining the entire configuration of an endoscope cover type endoscope apparatus, and FIG. 2 is an endoscope for an endoscope cover. FIG. 4 is a side view showing the insertion portion cover portion of the endoscope cover, FIG. 3 is a vertical cross-sectional view showing the insertion portion cover portion of the endoscope cover mounted on the endoscope for endoscope, and FIG. After the insertion section cover is attached to the endoscope for endoscope, a perspective view showing a state where the operation section cover and the angle knob are attached, FIG. 5 is a perspective view showing the angle knob cover, and FIG. FIG. 7 is a plan view including an attached operation section cover, an angle knob, and a partial cross section showing the angle knob cover. FIG. 7 shows a partial section of an operation section body showing another example of the angle knob cover shown in FIG. It is a top view.

The endoscope apparatus according to the first embodiment includes a movable cart 1, a light source apparatus 2 having a light source for illuminating a subject, a video processor 3 for processing a signal from an image sensor (not shown), and the like. , A fluid control device for controlling air supply, water supply, etc. 4, an endoscope cover extender (hereinafter abbreviated as an extender) extending an extension tube 14, a monitor 6 for observing images, etc. And an endoscope cover endoscope (hereinafter, abbreviated as cover) 7 covered with an endoscope cover (hereinafter abbreviated as cover) 10 is connected to the light source device 2. Being made up of its main part.

As shown in FIG. 2, the cover endoscope 7 has an elongated insertion portion 17 extending from the operating portion 16 on the proximal side, and a universal cord 18 extending from the side portion of the operating portion 16. It has been extended. A bending operation wire 47 (see FIG. 3) is inserted through the inside of the insertion portion 17 in which a bending portion 46 and a cover endoscope leading end portion 27, which are constructed in the same manner as in the past, are connected to each other at the tip end side thereof. A bending operation can be performed via the angle knob 21 of the operation unit 16 with the cover 10 attached. On the other hand, a connector 18a is provided at the tip of the universal cord 18, and a cable 8 is extended from the side of the universal cord 18 to the video processor 3 as shown in FIG. An output signal of an image pickup device (not shown) provided inside the tip portion 27 is transmitted and input. The operation section 16 is formed by connecting a grip section 19 for gripping the endoscope 7 to the distal end side of the operation section main body 20, and a locking recess 19a is provided between them. The operation section main body 20 is provided with the angle knob 21, an air / water supply control switch 22, a suction control switch 23, a function switch 24 for taking photographs, and the like. The angle knob 21 is detachably attached to the operation section body 20.

As shown in FIG. 1, the cover 10 is mainly composed of an insertion portion cover portion 11, an operation portion cover 12, and a universal cord cover 13 from the front end side. The cover endoscope 7 is detachably mounted so as to cover the insertion section 17 and the grip section 19 while the insertion section cover section 11 is held by the cover holder 15 (see FIG. 1). It has become. Details of the insertion portion cover portion 11 of the cover 10 will be described with reference to FIG.

As shown in the figure, the insertion portion cover portion 11 includes, in order from the front end side, a distal end portion 25 of the cover, an insertion portion cover outer skin 32, an endoscope operation portion fixing mouth portion 36, and a grip portion cover. 61 and.

The tip portion 25 of the cover is mainly composed of a tip forming portion 26 formed of polysulfone which is a thermoplastic resin. As shown in FIG. 4, a position corresponding to the outside of the optical axis of the observation optical system 28 provided on the distal end portion 27 of the cover endoscope 7 and the illumination optical system (not shown) is provided on the distal end forming portion 26. A transparent observation window 29 made of resin is press-fitted into and fixed to. The tip 25 of the cover is further provided with an air / water supply nozzle 30 that opens toward the observation window 29 for cleaning the observation window 29, and a forceps outlet 31 that serves as an outlet for a treatment instrument or the like. ing.

An insert cover 32, which is made of a thermoplastic resin such as polyester, for airtightly isolating the insert portion 17 of the cover endoscope 7 from the external environment is airtightly provided on the tip forming portion 26 as described above. It is connected. Then, inside thereof, there are provided an insertion portion side suction tube 48 communicating with the forceps outlet 31, and a tubular insertion portion side air supply conduit 49 and insertion portion side water supply conduit 50 communicating with the air supply / water supply nozzle 30. , Is press-fitted and fixed airtightly to the tip forming portion 26. The other end sides of these conduits 48, 49, 50 are press-fitted and fixed in an airtight manner to a mouthpiece portion 36 for fixing an endoscope operation portion described later.

At the proximal side of the insertion portion cover outer skin 32, an endoscope operating portion fixing mouth portion 36 made of the same material as the tip forming portion 26 such as polysulfone is airtightly fixed and removed. It is attached. As shown in the figure, the forceps insertion port 33 that is inserted through the forceps outlet 31 and the expansion tube 14 (FIG. 1)), a step portion 35 for fixing to the holder 15 (see FIG. 1), and the like. An endoscope insertion channel 37 provided inside the insertion portion cover outer skin 32 communicates with the endoscope operation portion fixing mouth portion 36.

A gripper cover 61 capable of covering the grip portion 19 of the endoscope for a cover is provided further on the hand side of the mouthpiece portion 36 for fixing the endoscope operation portion. It is integrally and airtightly connected to the body portion 36. The grip portion cover 61 is also made of polysulfone, which is the same material as the tip forming portion 26.

The proximal end side of the grip cover 61 is made of polyethylene or the like which communicates with the insertion section side suction tube 48, the insertion section side air supply conduit 49, and the insertion section side water supply conduit 50, respectively. A suction conduit 41, an air supply conduit 39, and a water supply conduit 40 made of a thermoplastic resin are press-fitted and connected. The other ends of the conduits 39, 40, 41 extend along the operation section cover 12 and the universal cord cover 13, and are connected to the air supply source and the air supply source through the fluid control section 56 of the fluid control apparatus 4, respectively. It communicates with the water source and suction source. Further, as shown in FIG. 2, a locking portion 42 is provided on the inner surface of the rear end portion of the grip portion cover 61, and the locking concave portion 19 a provided on the proximal side of the grip portion 19 is provided. In contrast, it can be locked and fixed.

Next, as shown in FIG. 4, the operation section cover 12 is attached to the cover endoscope 7 to which the insertion section cover section 11 is attached as described above, and one of the operation section main bodies 20 is attached. The angle knob 21 is attached to the knob shaft 66 protruding from the side surface.

The operation unit cover 12 is composed of an operation unit cover body 12a that covers the switches 22, 23, 24 and the like from the knob shaft 66 side, and an operation unit cover side body 12b that covers the opposite surface. The operation section cover side body 12b is fixed to the operation section cover body 12a with an adhesive tape or the like. After attaching the operation portion cover 12, the angle knob 21 is assembled to the knob shaft 66. The angle knob 21 is composed of two pieces, an up-down angle knob 21a and a right-left angle knob 21b. First, the up-down angle knob 21a is assembled, and then the right-left angle knob 21b is screwed and attached. It has become .

The bag-shaped angle knob cover 67 having a shaft insertion hole as shown in FIG. 5 is attached to the angle knob 21 assembled to the knob shaft 66 as shown in FIG. Has become. The angle knob cover 67 is provided with two types, an up-down angle knob cover 67a and a right-left angle knob cover 67b, corresponding to the up-down angle knob 21a and the right-left angle knob 21b. These angle knob covers 67a and 67b are made of highly stretchable resin, and when mounted, the size of the shaft insertion hole can be made larger than the outer diameter of the angle knob 21.

When using the endoscope, the angle knobs 67a and 67b are covered with the up-down angle knob cover 67a and the right-left angle knob cover 67b, respectively. Do not remove the used cover 67, cover it with a new cover 67 and attach it, and after all the cases of one day have been completed, remove and discard the multiple angle knob covers 67 together. . This eliminates the need to remove the angle knob cover 67 after each case. As shown in FIG. 6, a plurality of angle knob covers 67 are attached to the angle knob 21 in advance before the examination, and one outermost angle knob cover 67 is removed each time one case is completed. It doesn't matter. In this way, it is not necessary to attach the angle knob cover 67 after each case. Since this angle knob cover 67 is largely expandable and contractible, only one size is required for various size angle knobs, but as shown in FIG. 7, it is made of a resin that is not very elastic. A plurality of sizes of the angle knob covers 67 may be provided corresponding to the size of the angle knob 21. In this case, the shaft insertion hole is slightly larger than that in the above-described case because it is not so elastic.

It goes without saying that the insertion section cover section 11, the operation section cover 12, the universal cord cover 13, and the angle knob cover 67 are sterilized.

When the cover endoscope 7 according to the first embodiment is used, the insertion portion cover portion 11 is attached to the insertion portion 17 for use, and the grip portion cover 61 holds the operation portion. It is covered up to the part.

According to the first embodiment as described above, since the suction pipe line 41, the air supply pipe line 39, and the water supply pipe line 40 extend to the outside at the hand side of the operating portion gripping portion, the extending tube Is easy to operate without hindering the position. Furthermore, since the insert cover covers the grip part integrally, there is no connection part below the grip part, which easily gets dirty, so be careful to prevent dirt from entering and contaminating the connection part. No need. Needless to say, since the operating part cover does not shift during use and no gap is left, dirt does not enter from there. Further, since the grip portion is configured to be covered by the insertion portion cover portion, there is an advantage that the structure of the operation portion cover is simplified.

FIG. 8 is a perspective view showing a manner in which the operation section cover and the angle knob are attached after the insertion section cover section is attached to the endoscope for endoscope according to the second embodiment of the present invention. . Since the second embodiment is almost the same as the first embodiment described above, only different parts will be described.

In the first embodiment, the suction conduit 41, the air supply conduit 39, and the water supply conduit 40 extend from the vicinity of the rear end of the grip portion cover 61, whereas in the second embodiment, Each pipe line is temporarily terminated near the rear end of the partial cover 61, and a suction pipe line hole 62, an air supply pipe line hole 63, and a water supply pipe line hole 64 are opened. On the other hand, the operation section cover 12 is provided with a connector 65 which is airtightly attachable to and detachable from the conduit holes 62, 63 and 64. The connector 65 has a suction conduit 41, an air supply conduit 39, The water pipe 40 is inserted. These conduits 39, 40, 41 pass through the inside of the operation portion cover 12 and extend from the vicinity of the rear end portion to the outside.

The operation of the second embodiment as described above is almost the same as that of the first embodiment described above, but after the insertion portion cover portion 11 is attached to the cover endoscope 7, the operation portion cover 12 is attached. At this time, the connector 65 is connected so that the suction conduit 62 and the suction conduit 41, the air supply conduit 63 and the air supply conduit 39, and the water supply conduit 64 and the water supply conduit 40 respectively communicate with each other.

According to the second embodiment as described above, the same effects as those of the above-described first embodiment are obtained, and the pipe lines for suction, air supply, and water supply are located closer to the outside than the first embodiment. Since these pipes are extended, these pipes do not get in the way and the operability is further improved.

[0030]

[Effects of the Invention] As described above, according to the present invention, good operability can be obtained and contamination from the boundary between the operation cover and the insertion cover can be prevented without requiring a high degree of attention. The endoscope device of the endoscope cover system can be provided.

[Brief description of drawings]

1 to 7 relate to a first embodiment of the present invention,
FIG. 1 is a perspective view illustrating the entire configuration of an endoscope device of an endoscope cover system.

FIG. 2 is a side view showing an endoscope for an endoscope cover and an insertion portion cover portion of the endoscope cover.

FIG. 3 is a vertical cross-sectional view showing an insertion portion cover portion of the endoscope cover in a state of being attached to the endoscope cover endoscope.

FIG. 4 is a perspective view showing a state where the operation section cover and the angle knob are attached after the insertion section cover section is attached to the endoscope for an endoscope.

FIG. 5 is a perspective view showing an angle knob cover.

FIG. 6 is a plan view including a partial cross section showing an operation unit cover, an angle knob, and an angle knob cover attached to the operation unit body.

FIG. 7 is a plan view including a partial cross section of an operation section body showing another example of the angle knob cover shown in FIG.

FIG. 8 is a perspective view showing a manner in which the operation section cover and the angle knob are attached after the insertion section cover section is attached to the endoscope for an endoscope according to the second embodiment of the present invention.

[Explanation of symbols]

 Reference numeral 7 ... Endoscope cover endoscope 11 ... Insertion portion cover portion 12 ... Operation portion cover 16 ... Operation portion 17 ... Insertion portion 19 ... Gripping portion 20 ... Operation portion main body

 ─────────────────────────────────────────────────── ─── Continued front page (72) Yoshio Tashiro 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Yoshihiro Iida 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor, Akira Suzuki 24-22-1 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Osamu Mizuta 2-43-2, Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Industry Co., Ltd. (72) Inventor, Yosuke Yoshimoto 2-43-2 Hatagaya, Shibuya-ku, Tokyo Within Olympus Optical Industry Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. An endoscope for an endoscope cover, which has an operation section in which a grip section is continuously provided on the distal end side of an operation section main body, and an elongated insertion section extending from the operation section to the distal end side. An endoscope cover having an operation portion cover that covers the operation portion main body of the endoscope and an insertion portion cover portion that integrally covers the insertion portion and the grip portion of the endoscope are provided. An endoscope cover type endoscope apparatus characterized by the above.