JP3431374B2 - Cover-type endoscope - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope for a cover.
And an endoscope cover that is removable to this endoscope
This makes it easy to attach the insertion section cover to the endoscope insertion section.
The present invention relates to a cover type endoscope to be raised. [0002] Endoscopes used in the medical field include:
The insertion part of the endoscope is inserted into the living body to observe and treat the affected part.
It has become like. For this reason, the end of the insertion section of the endoscope
Fluid and mucus adhere to the observation window
As a result, the affected part may not be sufficiently observed. did
Therefore, when configuring the endoscope apparatus, the endoscope is viewed from above.
Send water to the observation window to clean it, or use the remaining water in the observation window to send air.
Air and water supply function that can blow off
You. In addition, the endoscope sucks dirt and mucus in the living body.
To perform a suction line or therapeutic treatment that is discharged outside the body
A treatment instrument channel (forceps channel) for inserting the treatment instrument is provided.
There is something. Used endoscope used for inspection and treatment
Should be cleaned or sterilized promptly for the next patient.
Had to be able to use.
However, as described above, the air supply line, water supply line, or forceps
The task of reliably cleaning the endoscope provided with the conduit is troublesome,
It takes time and reduces the efficiency of endoscope use.
Was a factor. For this reason, recently, the endoscope itself has been covered.
And use the endoscope covered with this cover for each floor example.
After the procedure, discard the cover that covered the endoscope
Cover type that simplifies endoscope cleaning and disinfection
Endoscopes have been proposed. [0005] For example, an insertion portion is inserted into an insertion portion of a cover endoscope.
If the test is performed with the cover covered, penetration into the living body
In consideration of the above, the endoscope cover is
Close contact improves gripping and twisting operability
Above. For this reason, the inner diameter of the
-The clearance between the outer diameter of the
I was However, when the clearance is small,
Attach the insertion section cover to the insertion section of the cover endoscope.
Work was troublesome and troublesome. this
For this reason, Japanese Patent Application Laid-Open No. 2-57228 discloses that
The endoscope insertion section is expanded by expanding the cover
Increase the clearance between the
A method of attaching a cover to the entrance is shown. [0007] However, the above-mentioned features
Endoscope by the method disclosed in Japanese Unexamined Patent Publication No. 2-57228.
To attach the cover to the insertion section, expand the cover.
A pressurizing device is required to perform the pressing. Also, the endoscope cover
It must have its own connection to the pressure device.
No. For this reason, the configuration of the disposable endoscope cover is complicated.
In addition to the complexity, the number of devices that make up the endoscope
In addition, preparation work before inspection and treatment is complicated, and
It was a factor of the stop-up. [0008] The present invention has been made in view of the above circumstances.
Yes, without using a pressure device,
To provide a cover-type endoscope that can be easily attached to the endoscope cover
It is intended to be. A cover type endoscope according to the present invention.
Is the endoscope for the cover and the insertion section of the endoscope for the cover.
A cover-type endoscope comprising at least an insertion portion cover for covering
The cover is provided at the proximal end of the insertion portion cover.
-Closely slidable into the insertion section of the endoscope
While providing an easy sealing portion,
Close contact with the sealing part of the insertion part cover
A leak part for releasing the state is provided. According to this configuration, the distal end of the insertion portion of the endoscope is provided.
Insert the insertion part cover from the side toward the hand side
At this time, the seal part provided on the endoscope cover is in close contact with the insertion part
Thereby, the inside of the insertion portion cover expands. In this state,
Furthermore, if you advance the endoscope cover to the near side and attach it,
As it is inserted near the hand, the endoscope cover
Greatly expanded and the clearance between the insertion part and the cover
Large and easily inserted. And the endoscope cover
When the insertion is almost complete, the seal
The pressurized air in the cover
Exhausted to the outside of the endoscope cover through the
Is in close contact with the insertion section of the endoscope to complete the mounting. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention;
An embodiment will be described. 1 to 3 show one embodiment of the present invention.
FIG. 1 illustrates a schematic configuration of a cover-type endoscope according to an embodiment.
FIG. 2 shows the endoscope insertion section with an insertion section cover attached.
FIG. 3 is a cross-sectional view illustrating a state in which
FIG. 4 is a cross-sectional view illustrating a state in which pressurized air is exhausted.
is there. As shown in FIG. 1, the cover type endoscope 1
Air / water supply line, suction line, treatment instrument channel 21, etc.
An endoscope cover 2 provided with a plurality of conduits;
1 is provided with a cover endoscope 3 to which the cover 2 is attached. The cover endoscope 3 is an elongated endoscope insertion device.
The insertion section 31 and the base end of the endoscope insertion section 31 are provided continuously.
An operation unit 32 also serves as a grip unit.
The universal cord 33 extends from the side of the working unit 32
ing. In addition, the end of this universal cord 33
Connector detachably connected to an external light source device
(Not shown). The endoscope insertion section 31 is provided with an illumination (not shown).
The tip 34 provided with a window or observation window, etc., and a plurality of curved pieces
A curved portion 35 formed by connection, and a flexible member having flexibility.
And a unit 36. And of the tip portion 34
The subject captured by the light guide or observation window facing the illumination window
The transmitting member for transmitting the body image is the bending portion 35, the flexible portion, and the like.
36, the operation unit 32, and the universal cord 33
Connected to an external device. The endoscope cover 2 is provided with the endoscope insertion portion.
31 and the operation unit 32
It mainly comprises an operating section cover 23 for covering. The insert
The entry cover 22 is formed of a hard resin material or the like.
The distal end member 24 disposed on the end side and the distal end member 24 disposed
The mouth part 25 with a thin and soft material such as vinyl chloride
The sheath 26 formed of a polymer material such as
It is constituted by tying. The operation unit cover 23
Is provided integrally at the rear end of the hand opening 25.
I have. The tip component 24 is a transparent optical member.
Lens cover 24a constituting the observation window formed by
The treatment mouth channel portion 25 has the treatment instrument channel.
A forceps port 25a communicating with the flannel 21 is formed.
A forceps stopper 27 is provided at the mouth 25a, and a suction tube constituting a suction line.
Is provided. Further, a straight portion is formed in the hand mouth portion 25.
The endoscope insertion through-hole 29 thus formed is provided.
A package such as an O-ring is provided in the middle of the endoscope insertion hole 29.
A sealing portion 40 provided with a sealing member is provided. The seal section 40 is provided with the endoscope insertion section 3.
1 to maintain the airtightness of the endoscope.
The distal end portion 34, the curved portion 35, and the flexible portion constituting the entrance portion 31
36 is in a straight line when passing through the endoscope insertion through hole 29
The seal portion 40 and at least
The flexible part 36 constituting the mirror insertion part 31 is in close contact with the flexible part 36 and is airtight.
To maintain their state. On the other hand, the endoscope is provided in the through hole 29 for insertion.
The endoscope insertion section 3 which is held airtight by a seal section 40
In the vicinity of the proximal end of the flexible portion 36 constituting
Release the tight contact between the tapered part 40 and the soft part 36, and
Forming a gap for communicating the endoscope insertion through-hole 29 with the outside;
A leak portion 41 is provided. This leak part 41
Is a concave portion 41 in which the outer peripheral portion of the flexible portion 36 is formed to have a small diameter.
a. The sheath 26 is in contact with the flexible portion 36.
Attached to the sheath, a sense of unity between the sheath 26 and the soft part 36
To improve gripping and twisting operability.
Outer diameter of sheath 26 before insertion of endoscope insertion section
However, the diameter is smaller than the outer diameter after inserting the endoscope insertion portion.
It is formed to become. Further, the seal portion 40 is made transparent through the endoscope.
When placed near the end face of the hole 29, the endoscope insertion portion 31
The airtight state is maintained when the flexible part 36 of the
Therefore, the arrangement position of the seal portion 40 is
It is provided in consideration of the curvature of the sex part 36. Further, the treatment instrument channel 21 has a medium
A large-diameter portion 51 is provided on the way, and a ring 52 is provided on one end.
The stylet 50 is inserted and the endoscope cover 2 is straightened.
Hold in state. This stylet 50 is, for example, outside
Formed with a single wire with a diameter of φ0.8mm to φ1.6mm
The ring 52 contacts the distal end member 24.
When touched, the other end of the stylet 50 is
The length is adjusted so that it is located in the body part 25. The cover-type endoscope 1 constructed as described above
The operation will be described. First, as shown in FIG.
The endoscope insertion portion 31 of the endoscope cover 2 is inserted into the endoscope insertion portion 31 of the mirror 3.
Stylet 50 in order to mount
Insert the insertion part cover 22 substantially straight through the fixture channel 21.
Keep in line state. In this state, the hand mouth part 2
5 through the endoscope insertion through hole 29 provided in the
The distal end portion 34 of the endoscope insertion portion 31 of the endoscope 3, the bending portion 3
5. Insert the flexible portion 36 into the space inside the sheath 26 in order.
Go. At this time, the inner space of the sheath 26 and the endoscope
Sufficient clearance is provided between the mirror insertion part 31
Although not shown, a seal provided in the endoscope insertion through hole 29
The part 40 and the flexible part 36 come into close contact with each other to
As shown in FIG. 2, the distal end portion 34 of the endoscope insertion portion 31
Into the end member 24 of the endoscope cover 2
The inside of the sheath 26 is pressurized in accordance with
Expands toward the outer periphery. When the sheath 26 expands, the sheath 26
Clearance between the space inside the base 26 and the endoscope insertion section 31
Becomes larger, and the endoscope insertion portion 31 becomes easily
It is inserted into the material 24 side. Then, as shown in FIG.
When the tip 34 of the part 31 reaches the tip component 24
The leak provided in the flexible portion 36 in the seal portion 40
The part 41 reaches and the seal part 40 and the leak part 41
There is a gap between them. Then, the pressure in the sheath 26 is increased.
Air is generated between the seal portion 40 and the leak portion 41.
Exhausted through the gap, as shown in FIG.
The sheath 26 that has been expanded to its original state returns to its original state,
The case 26 comes into close contact with the endoscope insertion section 31. In this state, the endoscope insertion portion 31 is slightly
Push and insert the insertion section cover 22 into the endoscope insertion section 31.
Wearing is completed. At this time, the seal portion 40 is
It is in close contact with the flexible portion 36 on the hand side near the arc portion. Next, an endoscope is inserted into the insertion portion cover 22.
After the attachment to the part 31 is completed, the end of the
The insertion section cover 22 provided on the
To complete the mounting work. Next, immediately before the examination, the treatment instrument insertion channel
The stylet 50 is pulled out of the
U. When the inspection using the cover type endoscope is completed
At this point, remove the endoscope cover from the cover endoscope and discard it.
You. Thus, the insertion portion cover of the endoscope cover
Close to the flexible part of the endoscope insertion part
The endoscope insertion section is sealed by providing a seal
Pressurize inside the sheath as it is gradually inserted into the sheath
And inflate the sheath so that the endoscope insertion section and the insertion section cover
And the clearance between them can be increased. this thing
Allows the sheath to expand without the need for external devices
Increase the clearance between the endoscope insertion section and insertion section cover
To easily attach the insertion section cover to the endoscope insertion section
Can be done. In order to correspond to the seal portion,
The endoscope insertion section to which the insertion section cover is attached
By providing a leak at the proximal end of the
When the position of the seal part and the leak part match, the insertion part
Exhaust air that pressurizes the inside of the sheath of the cover to the outside
be able to. This forms the insert cover.
Is integrally attached to the endoscope insertion portion. Further, the entire periphery of the proximal end of the flexible portion is
By providing a concave portion with a small diameter, the seal portion has a concave portion.
The insertion section cover and the endoscope for the cover
It can be held substantially integrally. This allows the hand
The fixing of the former mouth part and the endoscope for the cover can be easily performed. The leak portion 41 has a small outer diameter.
It is not limited to the concave portion 41a formed to have a diameter.
Then, as shown in FIG.
FIG.
B, as shown in FIG.
There may be. This allows a part of the soft part to be reduced in diameter.
Forming significantly reduces the rigidity near the leak
Can be prevented. Also, as shown in FIG.
A hard member 43 is continuously provided at the side end portion, and
Leak line 4 for communicating endoscope insertion through-hole 29 with the outside
By providing 3a as a leak portion 41C,
The leak part 41 is provided in the flexible part 36 constituting the endoscope insertion part 31.
There is no need to provide. Due to this, near the leak part
Can be greatly improved in durability. In addition,
A notch 41b and a groove 41c are provided in the hard member 43 to
The same effect can be obtained as a work part. In this embodiment, the endoscope is an endoscope.
Limited to cover endoscopes that have a flexible part at the mirror insertion part
Endoscope used in a state covered with a cover, not a thing
If the endoscope insertion part is soft but hard
Is also good. By the way, insertion of an endoscope into the large intestine has been conventionally performed.
Can be inserted into the forceps channel of the endoscope to improve
The flexible adjustment tool is inserted and the flexible
The flexibility of the insertion section is adjusted by the sex adjustment operation section.
There is In addition, in Japanese Utility Model Laid-Open No. 3-43802,
The air / water supply channel generally provided in the insertion part of the mirror
Flexible adjusters are provided separately from the channel and forceps channel.
It is shown that it can be opened. However, the forceps channel of the endoscope,
Endoscope insertion through channels other than this forceps channel
The insertion part is hardened by inserting a flexible adjuster into the insertion part
If the insertion portion is in a bent state, the flexibility
Other internal parts installed inside the endoscope insertion part by the adjustment tool
The store may be under pressure,
The guide, image guide, or signal cable is damaged.
There was a risk of injury. For this reason, the endoscope and the flexibility adjustment
Damage to the built-in endoscope when used in combination with
What can be combined without scratching is desired
Was. As shown in FIG. 6, the endoscope shown in FIG.
In order to keep the cover 2 in a substantially linear state, the treatment instrument insertion channel
The stylet 50 that has been inserted through the
From the forceps stopper 27 side of the bar 22 into the treatment instrument channel 21
By allowing the stylet 50 to be inserted,
Flexibility adjustment for adjusting the hardness of the flexible part 36 of the mirror insertion part 31
Tool. That is, when the stylet 50 is inserted
The treatment instrument channel 21 and the flexible portion 36 are
, The treatment instrument channel 2
1 does not separate from the flexible portion 36. For this reason,
In the cover type endoscope 1, the treatment instrument channel 21 is styled.
The flexible portion 36 is hardened by inserting the
The same effect as in the case of the present invention can be obtained. It should be noted that the stylet 50 is
The treatment tool insertion channel arranged outside the outer circumference
Since the inside of the flannel 21 is inserted, the
The internal components are not damaged. The stylet 50 is connected to the forceps stopper 27.
When inserted from the side, the stylet 50
By appropriately setting the position of the large diameter portion 24,
When the large diameter portion 24 comes into contact with the forceps stopper 27, the style
The distal end 50a of the slot 50 stays close to the bending portion 35.
Can be done. This allows the style
That the tip of the socket 50 is inserted into the curved portion 35
When the phenomenon that the amount of bending force generated by
, A treatment tool that is generated when curved with a small bending radius
Buckling of the insertion channel 21 is prevented. Specific combination of endoscope and stylet
The effect of the combination will be described with reference to FIG. As shown
For example, when inserting the cover-type endoscope 1 into the large intestine,
Instead, as shown in FIG. 7A, the endoscope insertion portion is in a soft state.
As it is, the sigmoid colon 71 is passed through. And
The end of the cover-type endoscope is curved spleen 72 or descending colon 73
At the end of the operation, pull the endoscope insertion section back
The endoscope insertion portion is straightened as shown in FIG. 7B.
Then, the sigmoid colon 32 is substantially straightened. When the endoscope insertion portion is substantially linearized
Then, as shown in FIG.
Increase the rigidity of the flexible portion 36 by inserting it into the channel 21
You. Before this stylet 50 was inserted,
The insertion section of the endoscope can be bent by losing the elasticity of the sigmoid colon 71.
Without losing the deflection of the transverse colon 74,
After passing through the liver curve 75 as shown in FIG.
6 or the cecum 77 can be reached. As described above, in the endoscope cover straightening jig,
Stylet to cover endoscope as flexible adjuster
By using, the endoscope insertion part of the endoscope for the cover
Without damaging the built-in components inside,
The flexibility of the endoscope can be adjusted. By this
Significantly improves the penetration of the cover-type endoscope into the large intestine, etc.
I do. Referring to FIG. 8 and FIG.
The combination with the flexibility adjuster will be described. This implementation
In the configuration, the flexible member is inserted into the sheath 26 of the insertion portion cover 22.
The sex adjuster 80 is inserted separately from the endoscope 3 for cover.
You. That is, the flexible adjuster 80 is elongated.
Composed of a simple coil 81 and a wire 82.
The wire 81 and the wire 82 are fixed at the distal end with, for example, a wax 83.
Is being worn. The distal end surface of the flexible adjuster 80 is curved.
The length of the coil 81 is set so as to stay closer to the hand than the portion 35.
Is set. As shown in FIG.
The hook 82 is inserted through a part of the mouth opening 25.
It extends outside through the mouth 25b. That is, flexible
The sex adjuster 80 is inserted through the insertion opening 25b,
It can be inserted into and removed from the portion 25 and the sheath 26. At the proximal end of the coil 81, a connector 8
4 is provided.
It is configured to be detachable from the pin 32a provided.
On the other hand, the wire 82 has a solder 8
3 is fixed integrally, but other parts are
The coil 81 is slightly movable in the axial direction with respect to the coil 81,
The base end has a generally cylindrical shape with an uneven portion formed on the outer periphery.
A hook 85 is attached. The rack 85 is provided on the operation unit 32, for example.
It is to be placed on the stand 32b
The table 32b is movable in the longitudinal direction. In addition,
A knob 32c provided with a pinion in a part of the working portion 32 is rotated.
It is provided freely. In the initial state, as shown in FIG.
There is a sufficient gap between the knob 32c and the knob 32c.
By rotating the knob, the pinion of the knob 32c and
The uneven portion of the rack 85 meshes with the rack 85 so that the rack 85
It moves in the direction. In addition, the said hand mouth body
In the vicinity of the opening of the insertion port 25b of the portion 25, this insertion port opening is provided.
An elastic member such as a flexible membrane 86 is provided so as to close.
You. The cover type endoscope configured as described above.
The operation of the combination of the mirror and the flexibility adjuster will be described.
You. First, insert the endoscope insertion section 31 into the insertion section cover 22.
I do. At this time, the membrane 86 of the hand opening body portion 86 is inserted into the insertion port 25.
b is closed. Next, the flexible adjuster 80 is inserted into the insertion port 25b.
The flexible adjustment tool is attached to the membrane 86 so as to be inserted into the sheath 26.
80, the membrane 86 is gradually opened and the sheath 26
And the connector 84 is disposed on the pin 32a.
85 is arranged on the 32nd and operated with the operation unit cover 23
The part 32 is covered. Next, in this state, the cover type endoscope 1 is enlarged.
It is inserted through the treatment area such as the intestine. This cover type endoscope 1
Is provided on the operation unit 32 when adjusting the flexibility of the
The knob 32c is operated from above the operation unit cover 23. this child
As a result, the rack 85 moves in the
The pin 82a is pulled and the proximal end is fixed to the pin 32a.
Coil 81 is compressed to increase the bending rigidity.
As a result, the same effect as when the soft portion 36 is hardened can be obtained.
You. Other configurations are the same as those of the above-described embodiment.
The same reference numerals are given to the members, and the description is omitted. As described above, the flexible adjuster is composed of the sheath, the hand,
The cover is covered by the original mouth and operation cover.
As with endoscopes, prevent contamination during inspection.
Can be. This allows the endoscope cover to be
Is discarded, but the cover endoscope and flexible adjuster
Install a new cover without cleaning and disinfecting
Used for inspection. Further, a flexible adjuster is provided on the insertion portion cover.
Caused by penetrating the treatment instrument channel
The inconvenience that the treatment tool could not be used,
The suction function of the treatment instrument channel that also serves as the suction channel
Ease of use by eliminating inconveniences such as lowering
To improve. Further, the flexible adjuster is one-sided with respect to the operation unit.
It is placed so that it is in close contact with the body.
Does not adversely affect durability. Other actions and effects are above
Same as when using the stylet described above as a flexibility adjuster
It is like. As shown in FIG. 10 and FIG.
Adjustment tool insertion conduit having sex adjustment tool 80 with lid 86 at the tip side
87 may be inserted. In addition, this adjustment tool
The proximal end of the adjuster insertion pipe 87 is close to the proximal opening 25.
It is arranged densely. As described above, the adjusting device insertion tube is inserted into the insertion portion cover.
By providing a passage, the pressurized air in the sheath
It is possible to eliminate leakage and adjust flexibility
The tool can be easily set in the sheath.
This allows the sheath to expand smoothly
In both cases, the work of inserting the flexible adjuster into the sheath is large.
Simplified to width. Also, insert the flexibility adjuster into the sheath.
When the flexible adjustment tool is inserted, the flexible adjustment tool is inserted into the adjustment tool insertion pipe.
As it passes through, preventing the outer surface of the soft part from being scratched.
Can be stopped. Other functions and effects are shown in FIG.
This is the same as the embodiment shown in FIG. Referring to FIG. 12, the endoscope and the flexible adjuster
Will be described. This implementation as shown in the figure
The cover 91 in the form does not cover the entire endoscope insertion portion.
The endoscope used here is also a so-called cover endoscope
It is a normal endoscope 92 instead of 3. That is, the mouth part 9 constituting the cover 91
3 has an insertion port 94 through which the flexible adjuster 80 is inserted.
An implement channel 95 is provided. The forceps channel
Is provided on the endoscope 92 side. Also, a flexible adjuster
Reference numeral 80 denotes a structure similar to that shown in FIGS.
You. As described above, the conventional endoscope can be easily used.
Flexible adjusters can be combined and endoscope
It does not damage the built-in mirror. Referring to FIG. 13, the endoscope and the flexible adjuster
Another combination will be described. Yes as shown
The flexibility adjuster 80 has the same structure as that shown in FIGS.
So that it can be accommodated in the adjuster insertion pipe 87.
ing. And, one or more of the adjusting tool insertion pipes 87
Attached integrally to the flexible part 97 with a bundling band 96
ing. Note that the proximal end of the adjuster insertion pipe 87 is
The operation unit of the endoscope 92 by the connection tool 84 and the like as in FIG.
Attached to. In addition, the band 96 and the connector 8
4 is integrated with the endoscope 92 even if it is detachable.
It may be attached to the. As described above, the procedure for inserting the flexible adjuster
The tool insertion conduit is configured to be detachable from the flexible part of the endoscope.
By doing so, the work of attaching the flexible adjuster to the endoscope becomes easier.
Be simplified. The treatment instrument insertion conduit is integrated with the endoscope.
To save time for attaching and detaching work
May be. Further, as described above, the treatment instrument insertion conduit is
Since the tip is closed with a lid in a watertight manner, it is located close to the hand
Provided on the connection member to enable the knob to be operated in a watertight manner
This prevents the flexible adjuster from being contaminated during inspection.
can do. By the way, the inspection with the cover type endoscope 1 is completed.
Later, the endoscope cover 2 is removed from the endoscope 3 for cover.
At this time, since the inside of the sheath 26 has a negative pressure,
Pull out the insertion part 31 from the insertion part cover 22 by force.
There is. At this time, even if the cover is torn, no problem occurs.
It does not come out, but forcibly pulling it around the cover
Body fluids that have adhered to the
You. For this reason, the insertion is performed to eliminate the negative pressure in the sheath 26.
An airtight release part for releasing the airtight state is provided in the inlet cover 22.
By inserting the insertion section cover 22 into the endoscope insertion section 31
Can be pulled out smoothly. Further, as shown in FIG. 14 and FIG.
When the used endoscope cover 2 is discarded in the waste bag 101,
Stand 102 with stand for disposal bag or stand supporting bag
Draft workability is greatly improved by holding it at an angle to 103.
To improve. Note that the disposal bag 101 is placed on these stands.
When installing, turn back the vicinity of the opening on the hand side of the waste bag 101
After the endoscope cover 2 is discarded, the operator's hands should not be stained.
The opening is sealed. [Supplementary Notes] The cover endoscope and the insertion section of the cover endoscope
A cover-type endoscope comprising at least an insertion portion cover for covering
The cover at the proximal end of the insertion portion cover.
Close to the insertion part of the endoscope and slidable
While providing a seal portion, the insertion portion of the endoscope for the cover
Close contact with the sealing part of the insertion part cover at the proximal end
Cover type endoscope with a leak part for releasing 2. The leak part is located at one end
In the cover type described in Appendix 1, which is a concave portion having a small diameter portion.
Endoscope. 3. The leak part is located outside the proximal end of the insertion part.
Supplementary note 1 which is a notch formed by cutting out a part of the peripheral part
Cover type endoscope. 4. The leak part is located outside the proximal end of the insertion part.
2. The cover-type endoscope according to claim 1, wherein the endoscope is a groove provided in a peripheral portion. 5. The leak portion is connected to the end of the insertion portion.
2. The cover-type endoscope according to claim 1, wherein the endoscope is provided on a hard member. 6. Endoscope for the cover
When insertion into the endoscope insertion portion of the mirror is completed,
The seal provided on the end of the endoscope insertion section
Cover type described in Appendix 1, which is in close contact with the insertion part near the leak part
Endoscope. 7. Hand mouth body constituting the insertion section cover
A straight section that keeps the endoscope insertion section in a straight state.
A cover-type endoscope according to attachment 1. 8. Adjust the inner diameter of the insertion section cover
The inner diameter of the endoscope before inserting the endoscope insertion part is
Note that the diameter is smaller than the inner diameter after inserting the insertion portion
2. The cover-type endoscope according to 1. 9. Endoscope with flexible section at endoscope insertion section
, A flexibility adjuster for adjusting the flexibility of the flexible portion
Are integrally disposed along the outer peripheral surface of the flexible portion.
Endoscope. 10. The flexible adjuster is adapted for an endoscope.
The endoscope according to appendix 9, which is detachable. 11. The flexible adjuster is separate from the endoscope.
11. The attachment according to claim 10, which is detachable from the treatment tool insertion channel.
Endoscope. 12. The channel through which the flexible adjuster is inserted
Prevents separation of channel or conduit from flexible part of endoscope insertion part
12. The endoscope according to claim 11, further comprising a separation preventing means. 13. The detachment preventing means is a sheath.
2. The cover type endoscope according to claim 1. 14. The separation prevention means is a binding band.
9. The endoscope according to supplementary note 9. 15. The conduit through which the flexible adjuster is inserted is
This is a conduit provided outside the endoscope other than the treatment instrument channel.
9. The cover-type endoscope according to supplementary note 9. 16. The flexible adjuster is inserted with an insert cover.
The cover-type endoscope according to supplementary note 1 covered. 17. Part of the hand of the flexible adjuster
The cover according to Supplementary Note 16, which is detachable from the operation unit of the endoscope.
Type endoscope. 18. A part of the flexible adjuster is used for an endoscope.
Note 16 that can be connected to and disconnected from the knob provided on the operation unit
Cover type endoscope. 19. A part of the flexibility adjuster and an operation unit;
The connection described in Appendix 18 where the connection of
Bar endoscope. 20. When the knob is in the initial position,
The knob is disconnected from the rack and the knob is turned.
When making the knob, the pinion of the knob is
19. The cover-type endoscope according to supplementary note 18. 21. The operation side is the hand side of the flexible adjuster.
18. The cover type according to appendix 18, wherein the cover type is disposed so as to be in contact with
Endoscope. 22. Flexible adjuster within the insert cover
Is provided in an insertion path through which the endoscope insertion portion is inserted.
The cover type endoscope according to the above. 23. Flexible adjuster within the insert cover
Is separated from the insertion path through which the endoscope insertion section is inserted.
The cover-type endoscope according to attachment 16, wherein the endoscope is inserted into a conduit. 24. The end of the conduit is sealed
The cover-type endoscope according to attachment 15. 25. The end of the flexible adjuster is an endoscope bay
The endoscope according to attachment 9, wherein the endoscope is located closer to the hand than the curved portion. 26. The flexible adjuster against the soft part
The endoscope according to supplementary note 9 partially attached. 27. The entirety of the above-mentioned flexible adjuster is placed in an external environment.
9. The cover type according to appendix 9, wherein the cover type is covered with a cover member that blocks from
Endoscope. According to the present invention as described above,
Endoscope insertion without endoscope
To provide a cover-type endoscope in which a mirror cover can be easily attached.
Can be.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 3 relate to an embodiment of the present invention,
FIG. 1 is a cross-sectional view illustrating a schematic configuration of a cover-type endoscope. FIG. 2 is a cross-sectional view illustrating a state in which an insertion section cover is attached to an endoscope insertion section. FIG. 4 is a cross-sectional view illustrating a state in which compressed air is exhausted. FIG. 4 is a cross-sectional view illustrating another shape of a leak portion provided in a flexible portion. FIG. 5 is a cross-sectional view illustrating another configuration of a leak portion. FIG. 6 is a view for explaining another operation of the stylet. FIG. 7 is a view showing a specific operation when the stylet is used for a cover-type endoscope. FIG. 8 and FIG. FIG. 8 relates to an explanatory view of a flexibility adjusting tool used in combination with an endoscope, and FIG. 8 illustrates a flexibility adjusting tool. FIG. 9 illustrates a relationship between the flexibility adjusting tool and an operation unit. 10 and 11 are explanatory diagrams showing another configuration of a flexible adjuster used in combination with a cover-type endoscope, and FIG. FIG. 11 is a diagram showing a sex adjuster and an adjuster insertion conduit. FIG. 11 is a diagram showing a flexibility adjuster and a relationship between the adjuster insert conduit and an operation unit. FIG. 12 is an endoscope and a flexibility adjuster. FIG. 13 is a diagram illustrating another combination of an endoscope and a flexibility adjuster. FIG. 14 is a diagram illustrating an example of a stand that supports a disposal bag. Diagram showing another example of a stand for supporting a bag [Description of reference numerals] 1 ... cover type endoscope 2 ... endoscope cover 3 ... cover endoscope 40 ... seal portion 41 ... leak portion

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) A61B 1/00-1/32

Claims (1)

(57) Claims 1. A cover type endoscope comprising at least a cover endoscope and an insertion portion cover for covering an insertion portion of the cover endoscope, wherein the insertion portion cover At the proximal end of the cover end, a seal portion is provided which is in close contact with the insertion portion of the cover endoscope and is slidable, while the insertion portion is provided at the proximal end of the insertion portion of the cover endoscope. A cover type endoscope provided with a leak portion for releasing a close contact state of a cover with a seal portion.