JPH07303597A - Cover type endoscope mounting device - Google Patents

Abstract

PURPOSE:To provide a cover type endoscope mounting device which is compact and has a good mountability of endoscope cover to the cover type endoscope. CONSTITUTION:When the inserting part 20 of a cover type endoscope 4 is mounted to a cover inserting part 10 by means of a mounting device, a mouth body part 6 is held in a high position through a mouth body part fixing part 14, and a head cover 7 is held on a head fixing part 15 in a distant low position from the mouth body part. A duct group 9 is arranged on the outside from the inserting pathway of the inserting part relative to a curve center in the cover inserting part 10. That is, the cover inserting part 10 is arranged in its curved and compact condition and the endoscope 4 is not stretched by being caught in the cover inserting part 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover-type endoscope mounting apparatus used for attaching and detaching a cover endoscope to an endoscope cover for preventing infection.

[0002]

2. Description of the Related Art Conventionally, in order to reduce the trouble of cleaning and disinfecting an endoscope, a cover system of a type in which an endoscope inspection is performed after a cover is attached to an endoscope insertion portion and the cover is discarded after the inspection. Endoscopes have been proposed. In such a cover-type endoscope, a cover-type endoscope mounting apparatus has been proposed in order to prevent the endoscope and the cover from being contaminated when the cover is mounted on the endoscope.

A conventional cover-type endoscope mounting apparatus, as shown in Japanese Patent Application No. 5-7138, includes an endoscope cover and an endoscope cover.
A mounting device for mounting the cover endoscope holds the mouth portion of the rear end of the endoscope cover, and loops the endoscope cover so that the sheath of the endoscope cover does not touch the floor, A device that holds the tip of an endoscope cover is known.

Further, as another mounting device, Japanese Patent Laid-Open No.
As disclosed in Japanese Patent No. 57228, a mounting device for mounting an endoscope cover and an endoscope for a cover holds a mouth part at a rear end of the endoscope cover, and the endoscope cover is vertically oriented. It is known that it is simply hung or placed sideways on a desk.

Further, another mounting apparatus is disclosed in Japanese Patent Laid-Open No. 4-32
There is one disclosed in Japanese Patent No. 5138. In this endoscope cover, channel channels such as channels, air supply, and water supply conduits are connected and fixed to the tip cover at the tip of the endoscope cover and the mouth part at the rear end of the endoscope cover, respectively. The conduit is assembled without any slack or tension with respect to the length of the endoscope cover in its natural state.

[0006]

In the conventional mounting device,
When the endoscope cover and the cover endoscope are mounted, the positions of fluid channels such as channels and air / water channels are not fixed in the cross section of the endoscope cover that is looped and held. Generally, the sheath of the endoscope cover is softer than the fluid conduit. Therefore, when the cover endoscope is inserted into the curved endoscope cover, if the position of the fluid conduit in the cover cross section is arranged on the curved center side of the cover (inside the bend R), the cover The insertion portion of the endoscope for use extends the sheath in the direction opposite to the center of curvature of the cover, and the insertion portion is damaged. Further, when the endoscope cover is curved as described above, the fluid conduit itself protrudes in the direction opposite to the center of curvature of the cover, and the cross-sectional area of the insertion portion insertion passage of the cover endoscope is narrowed. As a result, the insertability of the cover endoscope is impaired. The conventional mounting device has a high frequency of the above-mentioned drawbacks and has poor mounting performance.

Further, the mounting apparatus disclosed in Japanese Patent Laid-Open No. 2-57228 holds the endoscope cover in a straight state, so that the apparatus becomes large.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a mounting apparatus for a cover-type endoscope which is compact and has a good mountability of the endoscope cover and the cover endoscope. To do.

[0009]

SUMMARY OF THE INVENTION The present invention relates to a cover system used when attaching and detaching an endoscope cover which constitutes a cover type endoscope to a cover endoscope which constitutes the cover system endoscope. The endoscope mounting apparatus has a bending arrangement means for arranging the cover insertion portion covering the insertion portion of the cover endoscope so as to bend, and the bending arrangement means is inserted inside the cover insertion portion. A configuration in which a pipe line arranged in parallel with the insertion section bends the cover insertion section so as to be arranged outside a storage space for accommodating the insertion section with respect to a bending center of the cover insertion section. It has become.

[0010]

In the above structure, when the insertion portion of the cover endoscope is mounted on the cover insertion portion of the endoscope cover, the insertion path of the pipe is located inside the cover insertion portion by the bending arrangement means by the bending arrangement means. The cover insertion portion is arranged outside the storage space, which is the insertion path of, in a compact state. Further, since the duct does not need to be stretchable, the sliding performance can be improved, so that the endoscope is not caught and stretched in the cover insertion portion, and the wearability is improved.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 relate to a first embodiment of the present invention, and FIG. 1 (a) is an overall configuration diagram of a mounting device, FIG.
FIG. 1B is a top view seen from the position of line AA in FIG.
(C) is a sectional view taken along the line BB of (a), FIG. 2 is an explanatory view showing a state where the endoscope insertion portion is inserted into the cover, and FIG. 3 is an external view of the endoscope operation portion.

The mounting apparatus 1 shown in FIG. 1 (a) holds the endoscope cover 3 of the cover type endoscope 2 which is used by inserting the cover endoscope 4 into the endoscope cover 3. is there. The cover type endoscope 2 is composed of the endoscope cover 3 and a cover endoscope 4.

The endoscope cover 3 has a mouth portion 6 detachably connected to the operating portion 5 of the cover endoscope 4, a tip cover 7, a tip cover 7 and the mouth portion 6. And an insertion portion storage space 8a arranged in parallel with the tube tube group 9 arranged in the sheath 8. Has been done. The tip side of the cover 3 with respect to the mouth portion 6 is called a cover insertion portion 10.

The mounting device 1 includes a base portion 11, an arm portion 12 which is erected substantially vertically at an end portion of the base portion 11, and an upper end portion of the arm portion 12 which is substantially horizontal from the base portion 11 side. The connector receiver 13 provided on the opposite side and the arm portion 12
It has a mouth portion fixing portion 14 which is provided so as to project from the upper end portion to the base portion 11 side substantially horizontally. A tip for holding the tip cover 7 of the cover insertion portion 10 in a substantially horizontal direction in the vicinity of the end of the pedestal 11 opposite to the end where the arm 12 is arranged. The fixed portion 15 is provided so as to project. The mouth body fixing portion 14 is the cover inserting portion 1
The mouth body 6 of 0 is held substantially vertically. Then, as shown in FIG. 1A, the mounting device 1 is configured to hold the sheath 8 of the cover insertion portion 10 in a gently curved state.

The mouth portion 6 of the cover insertion portion 10 is formed in a substantially cylindrical shape and has a taper shape having a small diameter toward the tip, and a protrusion having a channel opening 16 is formed on the side portion of the cylinder. Has been done.

The cover endoscope 4 includes an elongated insertion portion 20 connected to the operation portion 5, and a universal cord 21 extending from a side portion of the operation portion 5 and provided with a connector 22 at an end portion. have. The insertion portion 20 includes a distal end hard portion 20a and a bendable bending portion 20 in order from the distal end side.
b and a flexible tube portion 20c having flexibility.

FIG. 1C shows a sectional view of the tip cover 7 and the tip fixing portion 15. The tip fixing portion 15 has a concave shape, and is composed of an outer frame opening 15a and an inner rubber 15b. The width of the inner rubber 14b is the tip cover 7
Is formed to be slightly narrower than the outer diameter of.

FIG. 1B is a top view seen from the line AA of FIG. 1A toward the mounting apparatus 1. As shown in FIG. 1A, the mouth body fixing portion 14 includes the mouth body portion 6
The fitting hole 14a for fitting and holding is formed substantially vertically. The fitting hole 14a is penetrated in the vertical direction so that the mouth portion 6 is housed and held therein and the sheath 8 can be inserted therethrough. As shown in FIG. 1B, the fitting hole 1
The side portion of 4a is connected to a notch portion 14b having a width slightly larger than the outer diameter of the sheath 8. Therefore, when fixing the mouth part 6 to the mouth part fixing part 14, the cover inserting part 10 is slid through from the side where the cutout part 14b is present to pass the mouth part 6 into the mouth part fixing part 14. It is held by abutting below.

Further, the fitting hole 14a is formed with a notch portion 14d so that the protrusion of the mouth body 6 having the channel opening 16 provided therein can be accommodated. Mouth part 6
Since the projecting part of the cover fits at the position of the cutout 14d, the mouth part fixing part 14 is curved and held by the cover insertion part 1
The mouth body portion 6 is held in the direction in which the conduit tube group 9 is arranged outward with respect to the center of curvature of 0. The insertion portion storage space 8a is arranged inside the center of curvature.

Similar to the mouthpiece fixing portion 14, the connector receiver 13 of the mounting device 1 has a connector fitting hole 13b connected to the universal cord notch 13a. The connector fitting hole 13b is provided with the notch 1
The universal cord 21 is laterally inserted through the connector 3a to hold the connector 22 of the endoscope.

FIG. 2 is an enlarged view of the insertion portion 20 while the insertion portion 20 is being inserted into the cover endoscope 4.
It shows a state in which the distal end hard portion 20a of the insertion portion 20 is inserted while hitting the conduit tube group 9. The conduit tube group 9 is composed of three conduits in the example of FIG. 1 (c).

As shown in FIG. 3, the operating portion 5 of the cover endoscope 4 has the same degree of curvature as the cover inserting portion 10.
As the bending portion 20b on the distal end side of the insertion portion 20 bends,
The following structure is provided in order to rotate the angle knob 24 provided on the operation unit 5 by a certain amount. That is, the mark 25 and the mark 26 are engraved on the angle knob 24 and the operation unit 5, respectively, and by aligning with the positions of the mark 25 and the mark 26, the cover insertion unit 10 of the endoscope cover 3 held by the mounting apparatus 1 is held. It is possible to secure the same curvature as that of.

In this embodiment, the conduit tube group 9 is less stretchable than the sheath 8. When the cover endoscope 4 is inserted into the endoscope cover 3 and mounted, it is natural that the insert portion 20 of the cover endoscope 4 is originally in a straight state, and the distal end hard portion of the insert portion 20 is a natural state. 20a easily hits the tube group 9 of pipes. Pipe tube group 9
Since the elastic member has no elasticity, the tip hard portion has better slipperiness than the sheath 8 and is less likely to be caught, so that the insertion portion 20 of the cover endoscope 4 can be easily inserted and the wearability can be improved.

4 and 5 relate to the second embodiment of the present invention, FIG. 4 is an explanatory view of a cover mounted on a packing material, and FIG. 5 is a perspective view of members constituting the packing material.

The mounting apparatus of this embodiment is constructed of a packing material 27 as shown in FIG. This packing material 2
7 is a rubber 28 having an insertion groove 29 for accommodating the cover insertion portion 10 similar to the first embodiment, and the rubber 28 even when the cover insertion portion 10 is accommodated.
And an exterior box 30 that can store

FIG. 4 is a view of the packing material rubber 28 as seen from above, and the cover insertion portion 10 is housed in the rubber 28 as described above. The groove 29 for the insertion portion of the rubber 28 is formed in conformity with the shape of the cover insertion portion 10. That is, the insertion groove 29 includes a large-diameter groove 29a for accommodating the mouth body portion 6 and a spiral elongated groove 29b connected to the groove 29a from the sheath 8 to the distal end cover 7. There is. A cutout groove 29c is formed in the large-diameter groove 29a formed in the rubber 28 so that the protrusion of the mouth body 6 provided with the channel opening 16 does not come into contact with the groove 29a. The notch groove 29c holds the mouth portion 6 in a predetermined direction. At this time, the conduit tube group 9 of the cover insertion portion 10 is fitted to the center of the groove 29b of the insertion portion groove 29 formed in a spiral shape so as to be arranged in the outer peripheral direction.

In the present embodiment, it is not necessary to replace the endoscope cover when mounting, and the mounting is easier.

FIG. 6 relates to a third embodiment of the present invention, and FIG.
6A is a side view showing the overall configuration of the mounting device, FIG.
(B) is an arrow view in the direction of arrow C in (a).

The present embodiment shown in FIG. 6 has a mounting device 31 in place of the mounting device 1 of the first embodiment. The mounting device 31 of the first embodiment holds only the connector for the endoscope, whereas
It has a means for holding the cover endoscope 4 itself. Further, the mounting device 31 is the same as that of the first embodiment with respect to the means for holding the cover insertion portion 10. The same configurations and operations as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. 6B is a side view and
A part of the cross section is taken along the line D-D in FIG.

As shown in FIG. 6 (a), the mounting device 3
1, the connector holder 13 of the mounting device 1 is removed, while the endoscope holding disk 32 as the holding means.
An endoscope holding arm 33 that rotatably holds the arm is erected at an end opposite to the arm 12. The endoscope holding arm 33 is composed of a member that extends substantially in parallel from an end of a member that projects substantially vertically from the base 11. At the end of the extended member, a shaft that is rotatably mounted on a bearing 34 shown in FIG. 6B formed at the center of the endoscope holding disk 32 having a cylindrical shape on the side thereof. 35 is projected. The endoscope holding portion rotatably held by the shaft 35 is arranged substantially parallel to the longitudinal direction of the base 11.

The endoscope holding disk 32 is formed with a side groove 36 formed in conformity with the shapes of the operating portion 5, the universal cord 21 and the connector 22 of the cover endoscope 4, and also has a cylindrical portion. A circumferential groove 37 into which the insertion portion 20 is fitted is provided on the outer circumference. The cover endoscope 4 is fitted and held in the side groove 36 and the peripheral groove 37. The endoscope holding disk 32 has a mouth into which the mouth body portion 6 of the endoscope cover 3 is fitted in a direction in which the insertion portion 20 fitted in the circumferential groove 37 hangs downward in the vertical direction. The body fixing portions 14 are arranged to face each other.

In the above construction, the distal end hard portion 20a or the flexible tube portion 20c of the cover endoscope 4 is inserted into the mouth portion 6 of the cover insertion portion 10 held in the same manner as in the first embodiment. . For this insertion, the endoscope holding disk 32 is rotated so as to unwind the endoscope insertion portion 20 fitted and wound in the circumferential groove 37, and the insertion portion 20 is moved to the mouth portion 6
It is introduced into the sheath 8 and the distal end cover 7 via and is attached.

In this embodiment, it is not necessary to hold the cover endoscope 4 with both hands at the time of mounting, and the operating portion 5, the universal cord 21 and the connector 2 can be held with one hand.
There is no need to hold 2. Therefore, with one hand, the insertion portion 2
Since it can be mounted simply by pushing 0 into the mouth portion 6, the wearability is improved.

FIG. 7 shows a modification of the third embodiment. This mounting device 32 'has a structure in which the vertically oriented mounting device 32 is arranged horizontally. The other configurations are exactly the same as those in the case of the portrait orientation, and thus the same reference numerals are given and the description thereof will be omitted.

FIG. 8A is a side view of the mounting device according to the fourth embodiment of the present invention. The mounting device 38 of the present embodiment holds the operating section 5 of the cover endoscope 4 and also holds the connector 22. Other configurations and operations similar to those of the first embodiment are designated by the same reference numerals and description thereof will be omitted.

The mounting device 38 includes a base portion 39 formed in a trapezoidal shape so as to secure a certain height above the floor surface, and an arm 41 standing on a stand base 40 connected to the base portion 39. The arm 41 includes a connector holding portion 42 projecting in the lower part of the arm 41 and an operation portion holding portion 43 connected to an upper end portion of the arm 41 bent substantially parallel to the base portion 39 side.

The arm 41 is formed longer than the entire length of the cover endoscope 4. The operation portion holding portion 43 provided on the upper portion of the arm 41 holds the operation portion 5 of the cover endoscope 4 and can be attached to the cover insertion portion 10 placed on the base portion 39. ing. Endoscope insertion part 2
The cover insertion portion 10 into which 0 is inserted is held by the mounting device 38 in a state where the sheath 8 and the like are curved, and the conduit tube group 9 is outside the curved center of the curved sheath 8 and the like. The cover insertion portion 10 is positioned so as to be arranged at.

In the present embodiment, it is not necessary to remove the cover type endoscope 2 from the mounting device 38 after the mounting is completed, and the inspection preparation is completed when the mounting is completed, which leads to a reduction in the time of the case. The efficiency can be improved.

FIG. 8B is a side view of the mounting device according to the fifth embodiment of the present invention. Mounting device 45 shown in FIG.
Has a configuration in which the base 39 is removed. Other than that, the same configurations and operations as those of the fourth embodiment are designated by the same reference numerals, and the description thereof will be omitted. Only different points will be described.

The cover insertion portion 10 is covered with an overtube 46 so that the cover insertion portion 10 can be curved like the fourth embodiment, and the opening of the overtube 46 is a rubber band at the mouth portion 6. It is tightened at 47.

In this embodiment, the cover insertion portion 10 can be kept clean by the overtube 46.

FIG. 9 is a side view of the mounting apparatus according to the sixth embodiment of the present invention. In addition to the configuration of the mounting device 45 of the fifth embodiment, the mounting device 50 shown in FIG. 9 includes a packing material holding portion 51 that holds the rubber 28, which is the packing material of the second embodiment, in the middle of the arm 41. Holds slidably. Other configurations and operations similar to those of the second and fifth embodiments are designated by the same reference numerals and description thereof will be omitted.

The packing material holding portion 51 is fitted in the arm 41 and is held by the slider 5 slidably held up and down.
2 and a frame portion 53 connected to the slider 52 and fixing the rubber 28 upward. The cover insertion portion 10 is attached to the rubber 28.

In the above structure, the packing material holding portion 51
Is preliminarily slid to a position as low as possible, the cover endoscope 4 is hung on the operation part holding part 43, and the tip of the insertion part 20 is inserted from the mouth part 6 to be exposed from the mouth part 6. Until the inserted part 20 is straight
Push in the insertion part 20. Next, while gradually raising the packing material holding portion 50, the insertion portion 20 is moved to the cover insertion portion 1
Push into 0.

In this embodiment, the cover insertion portion 1 is also mounted.
Since 0 is still in the rubber 28 which is the packing material, setting before mounting is easy, and after mounting, it is hanging on the arm 41 and the preparation state before the inspection is completed, so that the mounting time is shortened.

FIGS. 10 to 13 are sectional views showing the construction of the cover insertion portion attached to the mounting apparatus of the present invention. The construction will be described below with reference to the drawings. The other configurations and operations similar to those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In FIG. 10, the cover insertion portion 10A is
The mouth body portion 6, the tip cover 7, and the sheath 8 whose end portions are fixed to the mouth body portion 6 and the tip cover 7,
have. A conduit tube group is arranged in the sheath 8, and the conduit tube group includes an air supply conduit 54, a water supply conduit 55, and a treatment instrument insertion channel 56. The air supply conduit 54 and the water supply conduit 55 are formed to have a diameter considerably smaller than that of the channel 56.

When the sheath 8 is in a natural state (a state where no tension is applied), the end of the channel 56 is fixed and held by the end cover 7 and the mouth portion 6 without sagging.

On the other hand, the air supply conduit 54 and the water supply conduit 55 are longer than the channel 56, that is, in a state of being considerably slackened in the sheath 8.
The end portions are bonded and fixed to the tip cover 7 and the mouth portion 6.

Since the cover insertion portion 10A shown in FIG. 10 is thick when the cover endoscope 4 is attached, even if tension is applied in the axial direction of the cover insertion portion 10, the channel 56 has a high adhesive strength.
Since it receives a force, it has a weak adhesion strength
4 and the adhesion portion of the water supply conduit 55 do not come off.

The cover insertion portion 10B shown in FIG. 11 is provided with a protective tube 57 inside the sheath 8 for inserting the conduits 54, 55 and the channel 56B.
The channel 56B is held in the protective tube 57 with a slack as in the ducts 54 and 55.
Other configurations and operations similar to those of FIG. 10 are designated by the same reference numerals, and description thereof will be omitted.

In this embodiment, since the channel 56B, the air supply conduit 54, and the water supply conduit 55 inserted through the protective tube 57 are arranged in a slack state with a margin, even if tension is applied, the channel 56 and air supply line 5
4. The water supply line 55 is not subjected to any force. That is, since the protection tube 57, which has a large diameter and has a large number of portions fixed to the tip cover 7 and the mouth portion 6, receives a force, the bonded portion is hard to come off and has strength.

In the cover insertion portion 10C shown in FIG. 12, the channel 56, the air supply conduit 54C and the water supply conduit 55C, which are arranged almost straight, are inserted into the sheath 8. The channel 56 is adhesively fixed to the tip cover 7 and the mouth portion 6, while the air supply pipe 54C and the water supply pipe 55C are fixed to the tip cover 7 but fixed to the mouth portion 6. Instead, they are slidably inserted in the holes 58 of the mouth portion 6. The effect of the configuration shown in FIG. 12 is similar to that of FIG.

The cover insertion portion 10D shown in FIG.
In the configuration shown in FIG. 2, the holes 58, 58 are removed, while the wire 59 is stretched inside the sheath 8 substantially in parallel with the conduit. Other configurations and operations similar to those in FIG. 12 are designated by the same reference numerals, and description thereof will be omitted.

The channel 56, the air supply conduit 54C and the water supply conduit 55C are arranged in a state in which there is no slack with respect to the sheath 8 and are adhesively fixed to the tip cover 7 and the mouth portion 6. Similarly, the wire 59 is adhesively fixed to the tip cover 7 and the mouth portion 6 in a state without slack.

In the structure shown in FIG. 13, since the wire 59 receives a force even when tension is applied, no force is applied to the channel 56, the air supply conduit 54C and the water supply conduit 55C, and the bonded portion does not come off.

FIG. 14 shows the insertion portion 2 of the cover endoscope 4.
0 of the distal end portion is shown, and the insertion portion 20 is composed of a distal end hard portion 20a, a bending portion 60, and a flexible tube 61 in order from the distal end.

FIG. 15 shows an enlarged view of a vertical cross section of the distal end of the insertion portion of the endoscope. The bending portion 60 includes a bending piece 60a.
The curved rubber 6 made of elastic rubber or the like is arranged on the outer layer.
2 is coated.

The outer surface of the flexible tube 61 is covered with a urethane coating member 63. Further, a coating layer 64 is coated on the outer surfaces of the curved rubber 62 and the urethane coating member 63, and the coating layer 64 is
Fluorine coat or Teflon coat.

FIG. 16 shows a vertical cross section of the cover insertion portion. In the cover insertion portion shown in FIG. 1, the inner surface of the sheath 8 connected to the distal end cover 7 is coated with the coat layer 64 as described above.

The cover insertion portion shown in FIG. 16 and the cover endoscope shown in FIG. 15 have improved slidability and are easy to mount. In addition, since it is not necessary to use a lubricant when mounting,
There is no drawback that a lubricant is attached to the lens surface of the optical system to adversely affect observation.

[Supplementary Note 1] In the mounting device according to the first aspect, the conduit is made of a material having better slipperiness than a cover outer skin forming the cover insertion portion.

[Supplementary Note 2] In the mounting apparatus according to the first aspect, the curving arrangement means is means for holding the cover insertion portion.

[Supplementary Note 3] In the mounting apparatus according to Supplementary Note 2, the retaining means retains the proximal end portion of the cover insertion portion at a position higher than the distal end portion thereof.

[Supplementary Note 4] In the mounting apparatus according to Supplementary Note 2, the holding means causes the cover insertion portion to bend by holding the hand side end portion and the tip end portion at positions separated from each other. To place.

[Supplementary Note 5] In the mounting apparatus according to the first aspect, the curving arranging means is a packing member for accommodating the cover inserting portion and arranging the cover so as to be curved.

[Supplementary Note 6] In the mounting apparatus according to the first aspect, there is provided an endoscope holding means for holding the cover endoscope.

[Supplementary Note 7] In the mounting apparatus according to Supplementary Note 6, the endoscope holding means holds the cover movably or rotatably with respect to the cover insertion portion.

[Supplementary Note 8] In the apparatus according to Supplementary Note 7,
The endoscope holding means is a member configured so that the insertion portion of the cover endoscope can be wound in a loop shape, and the substantial center of the loop is rotatable.

In the conventional apparatus, when the endoscope cover and the cover endoscope are attached, the operator holds the insertion portion of the cover endoscope with one hand and the cover with the other hand. The endoscope for a cover has to be inserted and attached from the mouth of the endoscope cover while holding the operation portion, the connector, and the universal cord of the endoscope for a endoscope, and the attachability is poor. With the configurations described in appendices 6, 7 and 8, not only the endoscope cover is arranged and held with good wearability, but also the endoscope for cover is also held, so that it can be worn with one hand, and the wearability is improved. Is improved.

[Supplementary Note 9] In the mounting apparatus according to Supplementary Note 6, the endoscope holding means holds the operating portion of the cover endoscope.

[Supplementary Note 10] In the apparatus according to Supplementary Note 3, the curving arrangement means is a table on which the curved cover inserting portion is placed without being fixed.

[Supplementary Note 11] The mounting device according to the present invention has an overtube for covering the cover insertion portion.

[Supplementary Note 12] In the mounting apparatus according to Supplementary Note 2, the holding means is arranged so as to be movable relative to the cover endoscope.

According to the configurations described in appendices 1 to 12, when the cover endoscope is mounted in the cover insertion portion, the cover endoscope is not caught and stretched in the cover insertion portion, so that the cover endoscope is easily mounted.

[Supplementary Note 13] The cover insertion portion that covers the insertion portion of the cover-type endoscope has a distal end cover, a hollow sheath whose distal end is fixed to the distal end cover, and a proximal end of the sheath. And having a mouth body portion in which an opening for inserting the insertion portion is formed, a plurality of conduits are inserted and arranged from the distal end side to the proximal side in the sheath, and when the sheath is stretched, Tension avoidance means is provided to prevent or reduce tension due to stretching in the conduit.

[Supplementary Note 14] In the cover insertion portion according to Supplementary Note 13, the conduit is composed of a large-diameter channel tube and a small-diameter tube, and the channel tube is connected to the tip cover and the mouth body portion. Each end is fixed and formed shorter than the tube.

[Supplementary Note 15] In the cover insertion portion according to Supplementary Note 13, each end portion of the large-diameter channel tube is fixed to the distal end cover and the mouth body portion, and the thin-diameter tube has the distal end portion. It is fixed only to the cover.

[Supplementary Note 16] In the cover inserting section according to Supplementary Note 13, a wire having a length equal to or less than that of the conduit and not stretchable is stretched around the tip cover and the mouth portion.

[Supplementary Note 17] In the cover insertion portion according to Supplementary Note 13, the tube and the channel tube are arranged inside, and each end portion is shorter than the channel tube and fixed to the tip cover and the mouth body portion. A protective tube disposed inside the sheath.

In the configurations described in appendices 13 to 17, when the cover endoscope is attached to the cover insertion portion, the sheath of the cover insertion portion is stretched by the insertion portion of the cover endoscope to a considerably larger extent than in the case where the sheath is in a natural state. Be done. At this time, in the conventional endoscope cover, a considerable tension is applied to the duct. The conduit includes a treatment instrument insertion channel having a large outer diameter, an air supply and water supply conduit having a small outer diameter, and the like. If a large amount of tension is applied at the same time, there is a risk that the fixed part of the conduit with a small outer diameter that has a small margin for fixing to the tip cover or the mouth part, for example, adhesion, may easily come off. There was a case that could not be secured.

On the other hand, in the structures described in appendices 13 to 17, the watertightness and airtightness of the pipeline can be secured by preventing the fixed portion of the pipeline having a small outer diameter from coming off, and the reliability is improved. To do.

[0083]

According to the cover type endoscope mounting apparatus of the present invention, there is an effect that it is compact and the mountability of the endoscope cover and the cover endoscope can be improved.

[Brief description of drawings]

1 to 3 relate to a first embodiment, and FIG.
1A is an overall configuration diagram of the mounting device, FIG. 1B is a top view seen from the position of line AA in FIG. 1A, and FIG. 1C is a cross section taken along line BB in FIG. Fig.

FIG. 2 is an explanatory view showing a state in which an endoscope insertion portion is inserted into a cover.

FIG. 3 is an external view of an endoscope operation unit.

4 and 5 relate to the second embodiment, and FIG. 4 is an explanatory view of a cover attached to a packing material.

FIG. 5 is a perspective view of members constituting a packing material.

6 relates to a third embodiment, FIG. 6 (a) is a side view showing the overall configuration of the mounting device, and FIG. 6 (b) is FIG.
FIG. 9 is a view in the direction of arrow C in FIG.

FIG. 7 is a side view of a mounting device according to a modification of the third embodiment.

8A is a side view of a mounting apparatus according to a fourth embodiment, and FIG. 8B is a side view of a mounting apparatus according to a fifth embodiment.

FIG. 9 is a side view of a mounting device according to a sixth embodiment.

FIG. 10 is a vertical cross-sectional view showing the structure of a cover insertion portion.

FIG. 11 is a vertical cross-sectional view showing another configuration of the cover insertion portion.

FIG. 12 is a vertical cross-sectional view showing still another configuration of the cover insertion portion.

FIG. 13 is a vertical cross-sectional view showing still another configuration of the cover insertion portion.

FIG. 14 is an external view of the distal end side of the cover endoscope insertion portion.

FIG. 15 is a cross-sectional view of the distal end side of the cover endoscope insertion portion.

FIG. 16 is a sectional view of the front end side of the cover insertion portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Mounting device 14 ... Mouth part fixing part 14a ... Fitting hole 14b ... Notch part 14d ... Notch 15 ... Tip fixing part 3 ... Endoscope cover 10 ... Cover insertion part 6 ... Mouth part 7 ... Tip cover 8 ... Sheath 8a ... Insertion part storage space 9 ... Pipe tube group 4 ... Cover endoscope 20 ... Insertion part

Claims (1)

[Claims] 1. A mounting device for a cover-type endoscope, which is used when attaching and detaching an endoscope cover constituting a cover-type endoscope to a cover endoscope constituting the cover-type endoscope, There is provided a curved arrangement means for arranging the cover insertion portion covering the insertion portion of the cover endoscope so as to be curved, and the curved arrangement means is arranged in parallel with the insertion portion to be inserted inside the cover insertion portion. A cover system internal view characterized by bending the cover insertion part such that the pipe line is arranged outside the storage space for storing the insertion part with respect to the center of curvature of the cover insertion part. Mirror mounting device.