JP2000171730A - Battery type portable endoscopic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery type portable endoscopic device which is suitable for portable use, is capable of preventing the occurrence of infectious diseases, etc., even in the environment where the washing and disinfecting (or sterilizing) of its insertion part is difficult and is capable of repetitively making endoscope inspection. SOLUTION: A battery type light source 3 is freely attachably and detachably connected to a light guide mouthpiece 14 of a manipulation part 7 of the endoscope 2. The light of a light emitting element therein is supplied from the light guide mouthpiece 14 to the illumination system in the endoscope 2 and is emitted from an illumination window at the front end 9 of the flexible insertion part 6. The illuminated lesion, etc., may be made observable from an eyepiece part 8 via an observation optical system. The insertion part 6 is covered with a sheath part 42 of an endoscope cover 5 consisting of a thin tube. When the endoscopic inspection is carried out by the sheath part 42, the insertion part 6 is isolated so as not to be stained. In addition, a cord part 43 is mounted to the sheath part 42 to facilitate the attachment and detachment of the sheath part 42 to and from the insertion part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery type portable endoscope apparatus capable of performing an endoscopic inspection with a battery type light source suitable for portable use.

[0002]

2. Description of the Related Art In general, a battery light source type endoscope is excellent in portability, and is used in a place where it is difficult to carry a large light source device, such as an emergency treatment or a treatment at a bedside. Demonstrates particularly excellent functions. For example, JP-A-10-43133 discloses that a dry battery is used as a power supply,
A battery-type portable endoscope apparatus is disclosed in which a battery-type light source having a watertight structure (also referred to as a battery light source) is detachably attached to an operation unit.

Conventionally, even in a battery-powered portable endoscope apparatus for medical use, it is necessary to wash and disinfect (or sterilize) an insertion portion inserted into a body cavity after performing an endoscopic examination. It is necessary to prevent infectious diseases and the like that can occur when performing an endoscopy.

[0004]

Problems to be Solved by the Invention
An endoscope apparatus as disclosed in Japanese Patent Publication No. 3 is often used in home medical treatment because of its simplicity. However, in home medical care, the environment for washing and disinfection (or sterilization) is often insufficient, and in that case, there is a disadvantage that a plurality of battery-type portable endoscope devices must be prepared.

(Object of the Invention) The present invention has been made in view of the above points, and is suitable for portable use.
An object of the present invention is to provide a battery-type portable endoscope apparatus that can prevent the occurrence of an infectious disease or the like even in an environment where disinfection (or sterilization) is not sufficient, and that can repeatedly perform an endoscope inspection.

[0006]

An endoscope having an operation section, an insertion section connected to the operation section, an illumination system provided in the insertion section, and an operation section of the endoscope. An endoscope provided with a battery-type light source having a built-in light-emitting element for supplying illumination light to the illumination system and an endoscope cover for detachably mounting an insertion portion of the endoscope; By replacing the endoscope cover with a new one for each examination,
The insertion section is set in a clean state without washing and disinfecting (or sterilizing) the insertion section so that repeated endoscopy can be performed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIGS. 1 to 3 relate to a first embodiment of the present invention, FIG. 1 is an external view of a battery-type portable endoscope apparatus of the first embodiment, and FIG. FIG. 3 is an exploded view of the battery-type light source, and FIG. 3 is an explanatory view showing the configuration and operation of the endoscope cover.

As shown in FIG. 1, a battery-powered portable endoscope apparatus 1 according to a first embodiment of the present invention includes an endoscope 2 having a watertight structure and a detachably selected endoscope 2. Battery type light source 3 and light guide cable 4 to be mounted, and endoscope 2
And an endoscope cover 5 which is disposably mounted so as to cover the insertion portion 6.

The endoscope 2 has an elongated insertion portion 6 having flexibility.
And an operation unit 7, which also serves as a grip unit, provided continuously to the rear end of the insertion unit 6, and an eyepiece unit 8 provided at the rear end of the operation unit 7. The insertion portion 6 includes a hard tip portion 9 and a bendable bending portion 1 provided adjacent to a rear end of the tip portion 9.
1 and a long flexible portion 12 extending from the rear end of the bending portion 11 to the front end of the operating portion 7. By operating a bending operation lever 13 provided on the operating portion 7, the bending portion 1
1 can be curved.

A light guide (not shown) is inserted into the insertion section 6 as an illumination system for transmitting illumination light, and the rear end (base end) side of the light guide is bent in the operation section 7 and It is fixed to the light guide base 14.

The light guide base 14 protrudes from the side surface of the operation unit 7 and is formed of a member having good heat conductivity. A male screw portion 15 is provided on the outer peripheral surface of the light guide base 14 so that the battery type light source 3 or the light guide cable 4 can be attached.

For example, a connecting portion 16 for connecting to the light guide base 14 is provided at a base end of the light guide cable 4, and a connection base 16a of the connecting portion 16 is fitted to the light guide base 14 to provide an optical connection. The connection ring 16a is provided with a connection ring 16b on the outer peripheral side of the connection base 16a. The connection ring 16b is screwed into the male screw portion 15 of the light guide base 14. A screw hole for detachably connecting is provided. The other end of the light guide cable 4 is provided with a light guide connector 17 which is detachably connected to a light guide connector receiver of a light source device (not shown).

When the light guide cable 4 is connected, the configuration is the same as that of a normal endoscope. By connecting the light guide connector 17 at the other end of the light guide cable 4 to an existing light source device (not shown). The light guide connector 17 is supplied with illumination light from a lamp provided inside the light source device.
The illumination light is supplied to the light guide fiber in the endoscope 2 via the light guide fiber.

The battery-type light source 3 has a substantially T-shaped outer shape formed in a watertight structure.
Are provided, and a connection base 18 constituting the connection portion 18 is provided.
a is fitted to the light guide base 14 and optically coupled to the light guide base 14 so that light can be transmitted.
A connection ring 18b is provided on the outer peripheral side of 8a, and the connection ring 18b is provided with a screw hole which is detachably connected to the male screw portion 15 of the light guide base 14 by screwing.

The light guide cable 4 or the battery type is connected to the endoscope 2 by screwing the connection ring 16b or 18b of the connection portion 16 or the connection portion 18 to the external thread portion 15 on the outer peripheral side of the light guide base 14. The light source 3 can be integrally connected.

The operation section 7 is provided with a suction button 20 for performing a suction operation, and a suction base 21 communicating with a suction channel (not shown) protruding in the lateral direction from near the base end of the suction button 20. Have been. The suction base 21 is connected to a suction device (not shown) through a tube (not shown), and a body fluid in a body cavity can be sucked through the suction channel and the suction base 21 by appropriately operating the suction button 20. Has become.

Further, a forceps insertion port 22 for inserting a treatment tool such as a forceps is provided at the distal end side of the operation section 7. The forceps insertion port 22 communicates with a suction channel provided in the endoscope 2. A forceps stopper 23 is attached to the forceps insertion port 22.

In this embodiment, a sheath portion 42 (which will be described later) constituting the endoscope cover 5 that covers the insertion portion 6 also has its distal end side closed, and suction is performed when the endoscope cover 5 is attached. Not to be able to do. In addition, the treatment tool cannot be inserted and cannot be used. It can be used when the endoscope cover 5 is not mounted (the configuration for mounting and using the endoscope cover will be described in the second or third embodiment).

A switch 24 for turning on / off the lamp 27 of the battery type light source 3 is provided near the suction button 20 of the operation unit 7. When the switch 24 is pressed once, the head is depressed and turned on, and when pressed next time, the head returns to the original position and is turned off.

A vent fitting 25 is projected from the operation section 7 of the endoscope 2, for example, at a position opposite to the forceps insertion opening 22, so that air can be introduced into the endoscope 2 from the vent fitting 25. By sending the water, the endoscope 2 can be inspected for water leakage.

The battery type light source 3 has a structure as shown in FIG. In other words, the battery-type light source 3 has a hollow light source main body 26 and a lamp part 28 which is mounted on the light source main body 26 so that the lamp 27 at the front end is inserted from the opening end 26 a opposite to the connecting part 18. And a dry battery 30 as a battery housed in a hollow battery housing portion 29 protruding in a direction perpendicular to the direction in which the lamp portion 28 is mounted, and a cover for covering an open end 29 a of the battery housing portion 29. And a body 31.

By removing the detachable lamp portion 28 or the lid 31, the lamp 27 or the dry battery 30 can be replaced as a light emitting element. The light source body 26 is formed of an exterior member 32 such as an insulating resin member.

The lamp section 28 has a substantially pipe-shaped holder body 33 formed of an insulating resin member or the like, and a contact spring receiving section 34 engraved on the holder body 33. Further, an electric contact portion 35 slidable with respect to the holder main body 33 is provided in the holder main body 33.

A lamp housing holder (not shown) made of a conductive material is provided in the lamp housing inside the open end 26a of the light source body 26. When the lamp 28 is mounted, the lamp housing holder contacts the lamp housing holder. A lamp holder mounting screw portion 37 in which a spring receiving portion 34 abuts and is rotatable with respect to the contact spring receiving portion 34 and provided with a male screw portion on an outer peripheral surface;
The lamp holder mounting screw portion 37 is screwed together with a holder exterior member 38 formed of a resin or the like having low thermal conductivity attached thereto. Further, the contact spring receiving portion 34 and the holder outer member 38 are watertightly screwed via a watertight ring (not shown).

A watertight ring 39 is provided on the outer peripheral surface of the lamp holder mounting screw portion 37. Also,
The lid 31 shown in FIG. 2 is watertightly screwed by a packing member 40 arranged on the outer peripheral surface of the opening end 29a of the battery housing 29 of the light source main body 26. The glass surface at the tip of the lamp 27 has a lens shape and has a function of converging emitted light.

When the lamp 27 is cut off during an endoscopic examination or the like and it is desired to replace the lamp 27, the lamp unit 28 is
Take out. Next, the holder exterior member 38 of the lamp section 28 is held with one finger, and the electrical contact section 35 is held with the other finger.
Is moved to the side opposite to the holder exterior member 38.

Then, the C-ring of the lamp 27 comes off from a not-shown groove on the inner surface of the electric contact portion 35, and the lamp 2
Since the rear end electrode of the lamp 7 is pressed, the lamp 27 can be removed from the lamp unit 28 without directly touching the lamp 27. The installation of a new lamp 27 is the reverse of the removal.

On the other hand, as shown in FIG. 1, the insertion section 6 is provided with a disposable (disposable) endoscope cover 5 over its entire length. The endoscope cover 5 includes a sheath portion 42 that covers the insertion portion 6 and a pair of string portions 43.
The base end of 3 is fixed to the inner peripheral surface of the distal end of the sheath section 42, and a grip section 44 for the operator to grip is provided at the proximal end.

The sheath portion 42 is formed of a thin elastic tube member having biocompatibility. The distal end surface of the sheath portion 42 is formed of a transparent member, and illuminates light from an illumination window provided at the distal end portion 9 with a transparent member. The observation light is made to enter the observation window through the transparent member. The sheath portion 42 has a watertight structure that is almost airtight except for the opening at the base end thereof. Even if the insertion portion 6 is inserted into a body cavity that is an unclean area in a state covered with the sheath portion 42, Reference numeral 42 denotes a clean area inside the sheath 42, that is, the sheath 4
The inner insertion portion 6 can be maintained in a clean state.

The entire sheath 42 may be formed of a transparent member. A typical example of the material of the sheath portion 42 is a silicon tube, a latex tube, or the like. String part 4
Reference numeral 3 is a thin string-like body such as nylon tex.

The grip portion 44 is formed in a shape such that it can be gripped by the belly of a finger. Although there are two string portions 43 in the present embodiment, any number may be used. The length of the sheath portion 42 is provided so as to be equal to or longer than the length of the insertion portion 6. Also, the length of the string portion 43 is provided to be longer than the length of the sheath portion 42.

In the present embodiment, the endoscope 2 is detachably attached so as to cover the insertion portion 6 with a disposable (disposable) endoscope cover 5, so that an old endoscope is used every time an endoscope is inspected. Remove the endoscope cover 5 and set a new endoscope cover 5
Is mounted so that the endoscope inspection can be repeatedly performed with one endoscope 2.

The endoscope cover 5 has a sheath 4
The cord portions 43, 43 having their distal ends fixed to the inside of the front end of the cover 2 extend, and the sheath portion 42 is attached so as to cover the insertion portion 6 by grasping the grasping portion 44 at the base end thereof. The operation of removing the sheath 42 can be performed easily and without touching the outer surface of the sheath portion 42.

Next, the operation of attaching and detaching the insertion section 6 of the endoscope 2 with the endoscope cover 5 in this embodiment will be described with reference to FIG. FIG. 3A shows a state immediately before the endoscope cover 5 in which the sheath portion 42 has been wound on the insertion portion 6 in advance. Incidentally, the endoscope cover 5 is basically supplied in a disposable, sterile pack package (not shown) and a sterilized state.

FIG. 3B shows a state in which the endoscope cover 5 is attached to the insertion section 6. Insert the string portion 43 into the insertion portion 6
It is mounted so as to be sandwiched between the and the sheath portion 42. FIG. 3C shows a state in which the sheath portion 42 has been removed from the insertion portion 6. By holding the grip 44 with the belly of the operator's finger from the mounted state (FIG. 1) and pulling the grip 44 in the direction perpendicular to the longitudinal direction of the insertion section 6, the sheath section 42
Is removed so that it is wound up like its initial shape.

Finally, the operator's finger does not touch the contaminated sheath portion 42 after the endoscopic examination, and the endoscope cover 5
Can be removed from the insertion section 6. Moreover, at the time of the next endoscope inspection, there is an advantage that the sterilization pack of the new endoscope cover 5 is opened and mounted, so that the next endoscope inspection can be immediately performed without the necessity of washing and disinfection (or sterilization). .

Therefore, according to the present embodiment, the operation unit 7
By connecting the battery-type light source 3 to the endoscope, an endoscope apparatus capable of performing an endoscopic examination can be configured, and the insertion portion 6 inserted into the body cavity can be detachably covered with the disposable endoscope cover 5. Therefore, the endoscope cover 5 does not need to be cleaned and disinfected (or sterilized).
, The occurrence of infectious diseases and the like can be prevented, and the endoscope inspection can be repeatedly performed with the same endoscope 2.

The endoscope cover 5 has a string portion 43, 4 with its distal end fixed inside the distal end of the sheath portion 42.
Since the cord 3 is provided, by operating the cords 43, 43, the attachment / detachment to / from the insertion portion 6 can be performed without touching the outer surface of the sheath 42.

In the present embodiment, the lamp 27 is used as the light emitting element, but a light emitting diode may be used instead of the lamp 27. In this case, it is preferable to use a high-brightness type. Further, a plurality of light emitting diodes of a high brightness type may be employed to increase the amount of illumination light.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. In the present embodiment, the endoscope cover 5 has a structure having a channel tube, and the endoscope has a structure having a storage groove for storing the channel tube.

In the second embodiment shown in FIG. 4, a pair of string portions 43 of the endoscope cover 5 are different from the first embodiment.
Is formed of a hollow tube to form a conduit 46. The conduit 46 is fixed to the distal end of the sheath portion 42,
An opening 47 of a conduit 46 is formed on the distal end surface of the sheath portion 42.

The conduit 46 may be used for any channel of air supply, water supply, suction or insertion of a treatment tool.
The material can also be formed using any tube material such as Teflon, Irax, Gore-Tex, polyurethane and the like.

In the present embodiment, a groove 48 for accommodating the conduit 46 is provided on the outer peripheral surface of the insertion section 6 of the endoscope 2. In the case of the present embodiment, the rear end side of the conduit 46 has the following configuration. In FIG. 1, the forceps insertion port 22 and the forceps stopper 23 are provided at the rear end of the channel. In the present embodiment, a branch portion 49 is provided at the proximal end of the pipe line 46. 49, a forceps insertion port 51 and a forceps stopper 5
2. The intermediate tube 53 is connected to the other end of the branch portion 49 so as to communicate therewith.

The material of the intermediate tube 53 is made of the same material as that of the conduit 46. A three-way cock 54 is connected to the proximal end of the intermediate tube 53, and one end of a suction tube connected to a suction device (not shown) is connected to a luer base 55 of the three-way cock 54.

A connecting tube 56 is connected to the other end of the three-way cock 54.
Are connected to communicate with each other. The material of the connection tube 56 is the same as that of the pipe 46. The proximal end of the connection tube 56 is connected to the suction base 21 shown in FIG. A cock 57 is provided on the three-way cock 54. Usually, the suction tube, the connection tube 56, and the intermediate tube 53 communicate with each other at the position shown in FIG. Is applied with suction pressure.

When the suction button 20 is OFF (when the suction button 20 is not pressed), the suction pressure leaks at the suction button 20. Therefore, the opening 4
There is no spontaneous suction from 7. In this case, the endoscope 2
Does not have a suction channel, and the operation unit 7 is provided with a suction button 20 and a suction base 21.

As described above, in the present embodiment, the conduit 46 is provided instead of the string 43, and the endoscope is pulled by pulling the string 43 and the conduit 46 in the same manner as in the first embodiment. The sheath portion 42 of the cover 5 can be wound and removed.

Further, since it is not necessary to expose the grip portion 44 of the string portion 43 to the hand side, it does not become a hindrance, and the conduit 46 that has become dirty due to treatment or the like can be replaced together. In the present embodiment, a plurality of channels may be used instead of the string portion 43.

According to the present embodiment, in addition to the effects of the first embodiment, even when the insertion section 6 is covered with the endoscope cover 5, a suction operation or a processing tool can be used. The endoscope inspection can be performed without the insertion portion 6 being contaminated.

(Third Embodiment) Next, a third embodiment of the present invention will be described with reference to FIGS. FIG.
FIG. 6 is an external view of the battery-type portable endoscope apparatus, FIG. 6 is an explanatory view showing attachment / detachment of the insertion section, FIG. 7 is an explanatory view showing the configuration of the insertion section, and FIG. It is explanatory drawing in the state which attached the cover tube. An endoscope device 59 according to a third embodiment of the present invention shown in FIG. 5 includes an endoscope with a channel-type endoscope cover method (hereinafter, abbreviated as a cover-type endoscope) 60 and a cover-type endoscope. And a battery-type light source 3 detachably attached to the endoscope 60.

The cover type endoscope 60 includes an endoscope cover with a channel (hereinafter abbreviated as a cover) 61 and an endoscope with an endoscope with a channel (hereinafter abbreviated as a cover endoscope) 62. And a channel cover tube 63 as a channel cover tube shown in FIG. 6 or 7 (B). The cover 61 covers the insertion portion 64 and the like of the cover endoscope 62, and makes it unnecessary to wash and disinfect the cover endoscope 62 after the inspection.

As shown in FIGS. 6 and 7C, the cover endoscope 62 includes an elongated insertion portion 64, an operation portion 65 provided at the rear end thereof, and an operation portion 65 as shown in FIG. An eyepiece 66 is provided at the rear end, and the battery type light source 3 can be detachably connected to a light guide base (not shown) on the side of the operation unit 65. In addition, the battery type light source 3
Has the same configuration as that described in the first embodiment.

The insertion portion 64 of the cover endoscope 62 is formed in an elongated and cylindrical shape. Therefore, the same structure as the endoscope without a cover can be used for the cover endoscope 62.

The insertion portion 64 of the cover endoscope 62 is
As shown in FIG. 6 or 7 (C), the operation section 65 is composed of a flexible tube section 67, a bendable bending section 68, and a hard distal section 69 in order from the base end to the tip. I have. By operating a bending operation lever 70 provided on the operation section 65 as shown in FIG. 5, the bending section 68 can be bent.

The distal end 69 of the cover endoscope 62 is provided with illumination optical systems 71, 71 and an objective optical system 72. The rear end of the illumination optical system 71 is connected to the battery-type light source 3.

The distal end 69 of the cover endoscope 62
Is formed with an opening of a conduit insertion channel 74 having a semicircular or D-shaped cross section. The conduit insertion channel 74 is for inserting a plurality of conduits of the cover 61, which will be described later. The channel insertion channel 74 includes an insertion portion 64.
And, through the inside of the operation unit 65, it communicates with the suction base 76 provided on the side of the suction button 75 via the base end of the suction button 75 provided on the operation unit 65.

As shown in FIG. 5, the cover endoscope 6
The cover 61 that covers the cover 2 has an insertion portion cover 77, and in this embodiment, as shown in FIG. A conduit cover tube 63 to be inserted is disposed (further, a suction conduit 83 shown in FIG. 7A is inserted inside the conduit cover tube 63).

The insertion portion cover 77 of the cover 61 is
It covers the insertion section 64 of the cover endoscope 62. The cover type endoscope 60 is used for endoscope inspection while being covered with a cover 61 in a watertight manner. As shown in FIG. 7 (A), the insertion portion cover 63 is formed to be elongated, and an endoscope operating portion fixing mouth portion (hereinafter abbreviated as a mouth portion) 79 and a distal end portion 80 at the hand side. Is formed of a hard material.

The mouth part 79 of the insertion part cover part 77
And the distal end portion 80 are covered with an insertion portion cover outer skin 81 that isolates the internal space from the external environment. further,
The insertion portion cover portion 77 has formed therein an endoscope insertion channel 82 through which the insertion portion 64 can be inserted.
The proximal end of the endoscope insertion channel 82 has an opening at the mouth 79 for the insertion of the insertion portion 64. The opening of the endoscope insertion channel 82 is formed to have a diameter that makes close contact with the endoscope insertion section 64.

The endoscope insertion channel 82 is
The distal end portion 80 of the insertion portion cover 77 is closed. In this manner, the endoscope insertion channel 82 is configured to isolate the insertion section 64 of the cover endoscope 62 from the external environment. A suction pipe 83 as a channel is inserted into the endoscope insertion channel 82.

The suction conduit 83 has a distal end opening at a distal end 80 of the insertion portion cover 77, and a rear end extending from the mouth 79 toward the hand. The proximal end is open.

The distal end 8 of the insertion portion cover 77
0, transparent windows 84, 85a, 85b at the distal end of the endoscope insertion channel 82 as shown in FIG.
Is provided. These windows 84, 85a, 85b
Is disposed at a position facing the observation optical system 72 of the endoscope 62 for the cover and the illumination optical systems 71, 71, respectively.

Further, an opening 87 is provided at the distal end portion 80 of the insertion portion cover portion 77. The suction conduit 83 is fixed at its distal end to the distal end portion 80 and communicates with and connects to the opening (the outlet of the treatment instrument) 87.

On the other hand, the channel cover tube 63 as a channel cover tube shown in FIG. 7B is formed of a thin tube having a semicircular or D-shaped cross section.
It is formed in a size that can be inserted through the conduit insertion channel 74. The conduit cover tube 63 is slightly shorter than the suction conduit 83 and has the conduit insertion channel 74.
It is formed longer.

The suction pipe 83 can be inserted into the space 63a of the pipe cover tube 63. Further, the conduit cover tube 63 is slidable in the longitudinal direction of the suction conduit 83.

The suction conduit 83 is inserted through a conduit insertion channel 74 provided in the cover endoscope 62 with the conduit cover tube 63 shown in FIG. 7B attached. It has become. The conduit cover tube 63
The suction pipe 83 inserted through the suction button 75 further extends from the suction base 76 of the suction button 75.

The length of the conduit cover tube 63 may be substantially the same as the length of the suction conduit 83. The tube 63 may be slightly longer if it is used after being rewound after insertion is completed.

Alternatively, the conduit cover tube 63
May be substantially the same length as the length of the conduit portion protruding from the mouth portion 79 of the insertion portion cover portion 77, or may simply cover the vicinity of the proximal open end of each conduit. good. In the case of these configurations, it is preferable that the conduit cover tube 63 and the conduit are formed so as to be in close contact with each other so as not to shift during removal. As shown in FIG. 5, the proximal opening end of the suction base 76 is connected to and connected to a suction bin and a suction source (not shown) via a tube (not shown).

The mouth part 79 of the insertion part cover part 77 is provided with a treatment tool insertion opening 91 and an expansion tube mouth part 92 at the side thereof so as to protrude. The dilatation tube opening 92 has an internal conduit communicating with the endoscope insertion channel 82. An expansion tube (not shown) connected to a dilator (not shown) is detachably connected to the expansion tube mouth 92.

The treatment tool insertion opening 91 projects obliquely rearward in the axial direction of the insertion portion cover 77. Treatment instrument insertion port 9
One internal conduit is open at the protruding end and communicates with the suction conduit 83 at the other end, for example. That is, on the distal end side, the suction conduit 83 also serves as a conduit for the treatment instrument channel. At the protruding end of the treatment instrument insertion port 91, a substantially cylindrical treatment instrument stopper 93 is provided integrally with the treatment instrument insertion port 91.

The mouth part 7 of the insertion part cover part 77
9 is provided with a seal 95 impregnated with cobalt chloride. When it is taken out from a sterile pack (not shown) containing the cover 61, cobalt chloride absorbs moisture and the color gradually changes to red. That is, since the seal 95 has changed color, it can be confirmed that the time taken out of the sterilization pack is long. If the standing time is long, there is a high possibility that bacteria have adhered, so that it can be discarded without use, and safety can be improved.

The attachment position of the seal 95 may be the outer cover 81 of the insertion portion cover. In addition, the seal 9
The agent impregnated in 5 may be a protein test reagent, such as a ninhydrin reagent. When the insertion portion cover outer skin 81 is inserted into a body cavity, the protein in the body and the reagent react with each other and change color.

Accordingly, the cover 61 can be immediately used to determine whether or not it has been used for the inspection, and the contaminated one can be prevented from being reused, so that the cover 61 can be used sanitarily and safely. The operation of the present embodiment thus configured will be described. First, a procedure for setting a mounted state for performing an endoscopy as shown in FIG. 5 will be described.

In the above-described configuration, as shown in FIG. 8, the conduit cover tube 63 is attached to the suction conduit 83 of the insertion portion cover 77. By this mounting, the conduit cover tube 63 comes into contact with the inner wall of the distal end portion 80 of the cover 61. Next, as shown in FIG. 6, the conduit cover tube 63 into which the suction conduit 83 is inserted is inserted into the conduit insertion channel 74 of the endoscope 62 for cover.

At this time, the open end of the suction conduit 83 is inserted through the conduit insertion channel 74 while being separated from the conduit insertion channel 74 by the conduit cover tube 63. When the insertion portion cover outer skin 81 covers the endoscope insertion portion 64 together with the insertion, the cover endoscope 62 is attached to the insertion portion cover 77.

Then, the insertion section 64 is inserted until the distal end of the endoscope insertion section 64 contacts the inner wall of the distal end section 80 of the cover 61. In a state where the insertion and the attachment are completely performed, the opening 75 of the suction button 75 provided in the operation unit 65 is provided.
The conduit cover tube 63 extends from a.

Further, the suction conduit 83 protrudes from the proximal opening of the conduit cover tube 63. And
The suction line 83 is connected to and connected to the suction button 75.

At the time of attachment or removal, the insertion portion cover 7 is connected via an expansion tube connected to a dilator.
By performing an operation of sending air for channel expansion to 7, attachment and detachment can be easily performed.

When the cover endoscope 62 is to be removed from the insertion portion cover 77 after the endoscope inspection, the suction line 83 is first removed from the suction control device (not shown). Next, the conduit cover tube 63 is slid toward each opening end of the suction conduit 83. Thus, the open end of the suction pipe 83 is covered with the pipe cover tube 63.

Thereafter, the cover endoscope 62 is removed from the insertion portion cover 77. In this case, when the suction conduit 83 is withdrawn from the conduit insertion channel 74 of the endoscope 62, the conduit insertion channel 74 of the endoscope 62 and the open end of the conduit are connected to the conduit cover tube 63. Is isolated by Therefore, even if sewage leaks from the open end of each pipe, there is no concern that the pipe insertion channel 74 of the cover endoscope 62 is contaminated.

Then, only the dirty cover 61 is discarded, and the cover endoscope 62 remains clean. Therefore, the endoscope 62 for a cover is provided with a new sterilized cover 61.
And the next endoscopy can be performed again without washing and disinfection (or sterilization). In the present embodiment, when the cover endoscope 62 is removed after the examination is completed, there is no fear that body fluids or the like leak out from the open end of the suction conduit 83, and there is no fear of infectious diseases, so that it is safe and sanitary. . In the present embodiment, it is not necessary to wash and disinfect the cover endoscope 62, and the cover endoscope 62 can be used continuously.

Further, by covering the end of each pipe with a pipe cover tube 63 in advance and inserting the pipe end into the cover endoscope 62, dirt and the like are temporarily attached to the cover endoscope 62. However, the end of the pipeline is not contaminated.

In this embodiment, the cover endoscope 62 is used.
The present invention is not limited to an optical endoscope, but can be applied to a video endoscope (electronic endoscope) provided with an image sensor.
In this case, a signal processing unit and a display unit for the image sensor are required, so that the signal processing unit may be detachable from the operation unit in order to ensure portability, or the operation unit may be used as the display unit. A detachable liquid crystal monitor may be used. Further, an existing television may be used as the display means.

The suction pipes (channels) 83 may have different inner diameters, and the connecting portion on the rear end side may have the same inner diameter or the like so as to be detachably connected to the operation unit. That is, a plurality of endoscope covers with channels having different inner diameters may be prepared, and an endoscope cover with channels suitable for the purpose of use may be selectively used. With this, it is possible to select a cover of a suction conduit (channel) having a different function of inserting the treatment tool into one cover endoscope, so that a plurality of endoscope devices are prepared for lesions of a plurality of patients. There is no need to provide an endoscope device suitable for portable use, such as easy carrying. Further, a plurality of suction pipes (channels) 83 may be provided on the cover.

[Supplementary Notes] An operation unit, an insertion unit connected to the operation unit, an endoscope having an illumination system arranged in the insertion unit, and an illumination light connected to the operation unit of the endoscope, the illumination system providing illumination light. A battery-type portable endoscope device comprising: a battery-type light source having a light-emitting element for supplying the same; and an endoscope cover for detachably mounting an insertion portion of the endoscope.

2. 2. The portable endoscope apparatus according to claim 1, wherein the endoscope cover includes a string extending from a base end side of the cover. 3. 2. The battery-powered portable endoscope apparatus according to claim 1, wherein the endoscope cover includes a plurality of different channel-equipped covers detachably attached to an operation unit of the endoscope.

4. 2. The portable endoscope apparatus according to claim 1, wherein the endoscope cover is a disposable cover. 5. A connection unit for connecting a battery-type light source including an insertion unit, an illumination system provided in the insertion unit, and a lamp connected to a base end side of the insertion unit and supplying illumination light to the illumination system. With respect to the insertion portion of the battery type endoscope having
A cover for a battery-powered endoscope, comprising a cover for covering the insertion portion.

[0088]

As described above, according to the present invention, there is provided an endoscope having an operation section, an insertion section connected to the operation section, and an illumination system provided in the insertion section. A battery-type light source, which is connected to an operation unit of an endoscope and has a built-in light emitting element for supplying illumination light to the illumination system, and an endoscope cover for detachably mounting an insertion portion of the endoscope, The insertion section is cleaned and disinfected (or sterilized) by replacing the endoscope cover with a new one for each endoscopic examination.
, The insertion section can be set in a clean state and repeated endoscopy can be performed.

[Brief description of the drawings]

FIG. 1 is an overall view of a battery-powered portable endoscope device according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the configuration of a battery-type light source.

FIG. 3 is an explanatory view showing attachment and detachment of an endoscope cover.

FIG. 4 is a perspective view showing a main part of a battery-powered portable endoscope device according to a second embodiment of the present invention.

FIG. 5 is an external view of a battery-powered portable endoscope device according to a third embodiment of the present invention.

FIG. 6 is an explanatory view showing attachment and detachment of an insertion portion.

FIG. 7 is an explanatory diagram illustrating a configuration of an insertion unit.

FIG. 8 is an explanatory view of a state in which a conduit cover tube is attached to the conduit of the insertion portion cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Battery type portable endoscope apparatus 2 ... Endoscope 3 ... Battery type light source 4 ... Light guide cable 5 ... Endoscope cover 6 ... Insertion part 7 ... Operation part 8 ... Eyepiece part 9 ... Tip part 11 ... Curved Part 12 ... Flexible part 13 ... Bending operation lever 14 ... Light guide base 15 ... Male thread part 16 ... Connection part 16a ... Connection base 16b ... Fixing ring 17 ... Light guide connector 18 ... Connection part 18a ... Connection base 18b ... Fixation ring 20 … Suction button 21… suction base 22… forceps insertion port 26… light source main body part 29… battery storage part 31… lid body 42… sheath part 43… cord part 44… grip part

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Ichiro Nakamura 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Industrial Co., Ltd. Inside Olympus Optical Co., Ltd. (72) Takashi Suzuki, Inventor 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Seiichi Hosoda 2-43-2, Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Takeaki Nakamura 2-43-2, Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. F-term (reference) 2H040 BA24 CA04 DA03 DA11 DA21 DA51 DA57 4C061 AA00 BB02 CC04 DD03 FF06 FF12 FF24 FF46 GG14

Claims (1)

[Claims] 1. An endoscope having an operation section, an insertion section connected to the operation section, and an illumination system provided in the insertion section, and the illumination connected to an operation section of the endoscope. A battery-type light source having a light-emitting element for supplying illumination light to the system, and an endoscope cover for detachably mounting an insertion portion of the endoscope. Endoscope device.