JP2000089134A - Endoscope device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve portability of an endoscope device with a battery type light source. SOLUTION: This endoscope device 1 has plural different kinds of endoscopes such as soft endoscopes 2, 105 and hard endoscopes 106, 107. Moreover, the endoscope device has a battery type light source 4 provided with a lamp and a battery supplying illuminating light to a light guide fiber cable connectable to any of these endoscopes. Thus, the endoscope device 1 is improved in the portability at the time of using plural and different kinds of endoscopes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope apparatus suitable for portable use.

[0002]

2. Description of the Related Art An endoscope, which has been widely used in the medical and industrial fields, requires a means for illuminating since a site to be diagnosed or inspected is inside a living body, plant, or the like. For this reason, in a general endoscope device, a light source device is prepared as an external device of the endoscope, and illumination light of a lamp in the light source device is guided to a light guide fiber provided in the endoscope. The illumination light guided by the guide fiber is emitted from the illumination window on the distal end side of the insertion portion to illuminate the inspection target site.

The light source device generally uses a power source supplied from a commercial power source to cause a lamp inside the light source device to emit light. On the other hand, for example, Japanese Patent Application 8-39
No. 739 proposes an endoscope in which a small battery type light source using a battery such as a dry battery is used as a power source, and the battery type light source is detachably attached to an endoscope operation unit. Such an endoscope to which a battery-type light source is attached is easy to carry and suitable for portable use. Further, since it can be used in a place without a power supply, it is suitable for use in an emergency.

[0004] Incidentally, depending on the endoscopic examination, a plurality of different types of endoscopes may be used. For example, there are cases where a plurality of different parts of a patient are observed, and where a plurality of patients having different symptoms are examined in the same place. Also,
In case of emergency, it may not be possible to secure enough time to fully understand the patient's symptoms in advance, and it is recommended that you carry several different types of endoscopes that are assumed to avoid the trouble of transporting twice May be efficient.

In such a case, a plurality of different types of endoscopes are carried, and they are carried to a place where an endoscopy is performed and used.

[0006]

However, conventional endoscopes cannot share a battery-type light source with different types of endoscopes. For example, the same battery-type light source cannot be shared between a flexible endoscope having a flexible insertion portion and a rigid endoscope having a rigid insertion portion. Therefore, when carrying a plurality of different types of endoscopes, each carries a corresponding battery-type light source, which hinders the pursuit of improved portability of the endoscope apparatus. I was

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide an endoscope apparatus which can improve portability when using a plurality of different types of endoscopes.

[0008]

A plurality of different types of endoscopes having a light guide fiber for guiding illumination light;
A light source device that is detachably attached to any of the plurality of different types of endoscopes and includes a lamp that supplies illumination light to a light incident end of the light guide fiber, and a battery that supplies current to the lamp; The provision improves portability when using a plurality of different types of endoscopes.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIGS. 1 to 11 relate to a first embodiment of the present invention, FIG. 1 is an explanatory view showing a configuration of an endoscope apparatus, and FIG. 2 is a flexible endoscope. FIG. 3 is a cross-sectional view illustrating a state in which a battery type light source is connected to a light guide base, and FIG. 4 is a diagram illustrating an endoscope and a battery type light source. FIG. 5 is an explanatory view showing a positional relationship at the time of connection, FIG. 5 is an explanatory view showing a schematic configuration of a battery type light source, and FIG. 6 is an explanatory view showing a shape of a main conductive member constituting the battery light source ((a) is (B) is a lamp storage holder, (c) is a battery receiving member), FIG. 7 is an explanatory view showing a configuration of a lamp unit, and FIG.
FIG. 9 is a cross-sectional view showing the configuration of the light source main body. FIG. 9 is an explanatory view showing the rotational positional relationship of the lamp storage holder provided with the insulating ring with respect to the dry battery.
(B) is a lamp extinguished state), FIG. 10 is an explanatory diagram showing a rotational positional relationship between the exterior member and the lamp housing holder, and FIG. 11 is an explanatory diagram of FIG. It is explanatory drawing including -A sectional drawing.

As shown in FIG. 1, an endoscope apparatus 1 according to the present embodiment has a plurality of different types of flexible endoscopes 2 and 105 having a soft insertion portion, and a plurality of different types of rigid endoscopes having a hard insertion portion. It has rigid endoscopes 106 and 107.

Each of the flexible endoscopes 2 and 105 and the rigid endoscopes 106 and 107 has a light guide fiber (not shown) for guiding illumination light therein. Both light guide bases 26 for supplying illumination light are provided.

Further, the endoscope apparatus 1 includes flexible endoscopes 2 and 1.
05, a connecting portion 41 connectable to any one of the light guide bases 26 of the rigid endoscopes 106 and 107, and a lamp (not shown) for emitting illumination light to be supplied to the light guide fiber and a lamp for supplying to this lamp A battery type light source 4 having a battery (not shown) is provided.

Instead of connecting the battery type light source 4, a plurality of different types of light guide cables 3, 110 are connected to the light guide bases 26 of the flexible endoscopes 2, 105 and the rigid endoscopes 106, 107. You can also connect. Various light guide cables 3, 11
Since 0 can be used, optimal brightness can be obtained.

The flexible endoscopes 2 and 105 are different types of flexible endoscopes. For example, the diameter of the insertion portion may be different.

The rigid endoscopes 106 and 107 are different types of rigid endoscopes. For example, those having different observation directions such as a direct-view type, a perspective type, and a side-view type may be used.

As shown in FIG. 2, an endoscope apparatus 1a partially extracted from the endoscope apparatus 1 has a distal end portion 21, a bendable bending portion 22, and flexibility in order from the distal end side. An insertion section 24 having a slender structure by connecting a flexible tube section 23
And a grip portion provided with an eyepiece portion 25 provided at a rear end portion located at a base end side of the insertion portion 24 and a light guide base 26 formed of a member having good heat conductivity protruding from the side portion. And a light which is detachably connected to a light guide base 26 provided on the operation section 27 of the flexible endoscope 2 via a connection section 3a. The connecting portion 41 is connected to the guide cable 3 and the light guide cable 26 of the operation portion 27 selectively with the light guide cable 3.
Battery-type light source 4 having a substantially T-shape, which is detachably connected via
It is composed of

The operation section 27 is provided with a bending operation lever 28, and the bending section 22 performs a bending operation by rotating the bending operation lever 28.

The operation unit 27 includes a suction button 29 for performing a suction operation, and a suction channel (not shown) provided in the flexible endoscope 2 to project laterally from near the base end of the suction button 29. And a suction base 31 communicating with the suction base. The suction base 31 is connected to a suction device (not shown) through a tube (not shown), and the suction channel and the suction base 3 are operated by appropriately operating the suction button 29.
The body fluid in the body cavity can be sucked through the device 1.

Further, a forceps insertion port 32 for inserting a treatment tool such as forceps is provided on the distal end side of the operation section 27. The forceps insertion port 32 communicates with a suction channel provided in the flexible endoscope 2, and the forceps insertion port 32
, A forceps stopper 33 is attached.

At the position opposite to the forceps insertion port 32 of the operation section 27, for example, a vent cap 37 is protrudingly provided. By sending air from the vent cap 37 into the inside of the flexible endoscope 2, a flexible endoscope is provided. A water leak inspection of the endoscope 2 can be performed.

A light guide fiber 34 (not shown) for guiding illumination light is inserted into the insertion portion 24, and the proximal end of the light guide fiber 34 is fixed in the light guide base 26. .

The connecting sockets 3c and 44 are rotatably provided on the outer peripheral side of the connecting portion 43 of the connecting portion 3a or the connecting portion 43 of the connecting portion 41 in the male screw portion 26a formed in the light guide base 26. By screwing female threads formed on the peripheral surface, the flexible endoscope 2 and the light guide cable 3 or the flexible endoscope 2 and the battery-type light source 4 can be integrally connected. I have.

The light guide connector 3b provided at the end of the light guide cable 3 is adapted to be connected to an existing light source device (not shown). By connecting the light guide connector 3b to the light source device, ,
Illumination light from a lamp provided inside the light source device is supplied to the light guide fiber 34 in the flexible endoscope 2 via the light guide connector 3b, the light guide fiber (not shown) in the light guide cable 3, and the connection portion 3a. Is done.

The battery type light source 4 includes a detachable lid 4.
A dry battery 6 (see FIG. 5), which is a battery, can be replaced by removing the lid 45.

As shown in FIG. 3, the light guide base 26
When the battery type light source 4 is connected to the
When the lamp 5 disposed inside the lamp 5 emits light, the illumination light emitted from the lamp 5 passes through the light guide cover glass 34a provided on the light incident end face of the light guide fiber 34 of the light guide base 26. Then, the light enters the light guide fiber 34.

The illumination light guided by the light guide fiber 34 is emitted forward and illuminates the portion to be inspected. Then, the object illuminated by the illumination light forms an optical image at the image forming position by the objective lens system. The optical image formed at this image forming position is supplied to an eyepiece 25 (see FIG. 2) via an image guide fiber (not shown).
Through the eyepiece provided in the eyepiece 25 so that the operator can observe the subject image in an enlarged manner.

As shown in FIG. 4, when the flexible endoscope 2 and the battery-type light source 4 are connected to each other, the flexible endoscope 2 and the battery-type light source 4 are indicated by an index 26b on a connection ring 26c of the light guide base 26. The battery-type light source 4 is attached to the light guide base 26 so as to match the index 4a. As a result, the positioning pins 43a provided on the battery type light source 4 are engaged with the pin receiving portions 26d formed on the connection ring 26c of the light guide base 26, and are positioned and fixed in a fixed positional relationship.

Here, since the positioning pin 43a is a portion to which a large stress is applied when the battery type light source 4 is rotated with respect to the flexible endoscope 2, a plurality of positioning pins 43a are provided on the connection base 43, and the connection pin 43a is connected. Pin receiving portion 26 of ring 26c
By forming a plurality of ds corresponding to the positioning pins 43a, the stress may be dispersed to improve the strength.

When a plurality of positioning pins 43a are provided, by disposing the positioning pins 43a in an asymmetrical positional relationship, it is possible to prevent the battery type light source 4 from being connected to the flexible endoscope 2 upside down. .

In this state, the female end screw formed on the inner peripheral surface of the connection socket 44 and the male screw portion 26a of the light guide base 26 are screwed together so that the flexible endoscope 2 and the battery type light source 4 are integrated. Are fixedly connected. At this time, lamp 5
The battery type light source 4 is turned off so that (see FIG. 3) does not light.

As shown in FIG. 5, the battery-type light source 4
The light source main body 40 includes a lid 45 and a lamp 42 that are detachable from the light source main body 40. The lid 45 and the lamp 42 are removed from the light source main body 40 to remove the battery 6. Replacement and replacement of the lamp 5 can be performed.

The light source main body 40 is composed of an exterior member 46 formed of an insulating resin member and a conductive member shown in FIG. And a lamp housing holder 50 formed of a conductive member shown in FIG. 6B disposed on the inner peripheral side of the lamp housing portion 40b for housing the lamp portion 42. ing.

As shown in FIG. 6A, a packing member 49 and a contact spring portion 7 described later are provided in the battery housing member 47.
1 is provided.

A battery receiving member 48 made of a conductive member shown in FIG. 6C is arranged on the inner peripheral surface side of the lid 45 shown in FIG.

As shown in FIG. 7, the lamp section 42 includes a detachable lamp 5 and a lamp holder 60 to which the lamp 5 can be attached.

The glass surface at the tip of the lamp 5 is formed in a lens shape and has a function of converging emitted light.

The lamp holder 60 includes a substantially pipe-shaped holder body 61 formed of an insulating resin member or the like.
The fixing body 61 is fixed to the holder main body 61 by a fixing screw 61a, and electrically contacts a lamp side electrode 5p provided on a side peripheral surface of a base end portion of the lamp 5, and a battery accommodating portion 40a (see FIG. 5). A convex electrical contact portion 62 that contacts the dry battery 6 (see FIG. 5) housed in the main body 6
1 has a convex portion 63a that fits loosely into a through hole formed in a partition wall 61b formed in the through hole.
A contact pin 63 having a substantially convex cross section formed by a conductive member having a front end surface electrically connected to a lamp rear end electrode 5n provided on a base end rear end surface of the lamp 5; A conductive contact spring 64 that urges the pin 63 toward the lamp rear end electrode 5n, and a base end of the holder main body 61 which is covered so that the outer peripheral surface protrudes from the outer peripheral surface of the holder main body 61;
The lamp housing holder 50 (FIG. 6) formed of a contact spring 64 and a conductive member to which the lamp holder 60 is attached.
(B), and a lamp holder mounting screw portion which is rotatable with respect to the contact spring receiving portion 65 via a retaining pin 66 and has a male screw portion 67a formed on the outer peripheral surface. 67 and the lamp holder mounting screw portion 67
And a holder exterior member 68 which is a heat insulating cover formed of a resin or the like having low thermal conductivity attached to the holder.

A flange is formed near the rear end of the outer peripheral surface of the lamp holder mounting screw portion 67, and the holder exterior member 68 is provided.
Is attached to the rear end face of the flange by bonding. The holder exterior member 68 and this flange have the same diameter. Thereby, the holder exterior member 68
When the lamp holder 60 is attached and detached by pinching, the holder exterior member 68 is prevented from peeling off from the lamp holder mounting screw portion 67.

The battery receiving member 48 (FIG. 6C)
6), the battery housing member 47 (see FIG. 6A), the contact spring 71 (see FIG. 6A), and the lamp housing holder 5.
0 (see FIG. 6B), the material of the contact spring receiving portion 65, the contact pin 63, and the electric contact portion 62 is preferably made of copper alloy plated with nickel, and the material of the contact spring 64 is spring. A copper wire or nickel plated steel wire is suitable.

A watertight ring 69a is provided on the outer peripheral surface of the lamp holder mounting screw portion 67. A slit 67b for attaching and detaching the lamp holder 60 is formed on the base end surface of the lamp holder mounting screw portion 67.

As shown in FIG. 8, a lamp housing holder 50 formed in a substantially pipe shape by an elongated conductive member having a plurality of steps is disposed in the lamp housing portion 40b in the exterior member 46. Has become. As shown in FIGS. 8 and 6B, a cutout 51 is formed in the lamp housing holder 50 so as to extend in the axial direction from the base end surface through the base end side large diameter portion 52 to the central trunk portion 53. . An electric contact portion 62 constituting the lamp portion 42 (see FIG. 5) is formed in the notch 51.
(See FIG. 5). For this reason,
The width of the notch 51 is formed to be wider than the width of the electric contact portion 62.

As shown in FIG. 8, the lamp housing holder 50
A female screw part 52a (see FIG. 7) formed on the outer peripheral surface of the lamp holder mounting screw part 67 (see FIG. 7) is screwed into the inner peripheral surface of the base end side large diameter part 52. Are formed.

Further, on the outer peripheral surface side of the base end side large diameter portion 52,
The rotation restricting ring 54 is fixed by a screw 54a. The rotation restricting ring 54 is arranged in the lamp accommodating portion 40b. A watertight ring 59a provided on the outer peripheral surface of the rotation restricting ring 54 allows the rotation restricting ring 54 and the lamp accommodating portion 40b to communicate with each other. Watertightness is ensured.

The central body 5 of the lamp holder 50
3 has an enlarged opening 5 forming the front end of the notch 51.
1a (see FIG. 6 (b)) is formed, and on the outer peripheral surface including the enlarged opening portion 51a, a convex portion arrangement groove 55a shown in FIG. 9 and formed to have substantially the same width as the width of the notch 51 is formed. Insulated ring 55 is provided.

On the outer peripheral surface side of the small-diameter body portion 56 located on the distal end side of the center body portion 53 of the lamp housing holder 50, a connection base 4 provided to be located in the lamp housing portion 40b.
The light guide base 26 (see FIG. 2) is engaged with a base engaging portion 57a on the inner peripheral surface side of the small diameter body portion 56.
The base connection part 57 formed with is formed. A positioning pin 43a is screwed to the connection base 43 so as to protrude inside the connection base 43, and the protrusion of the positioning pin 43a is inserted into the lamp housing holder 50.
Cutout 56c provided at the end of the small-diameter body portion 56 (FIG. 6B)
The base 43 is slidably fitted into the small-diameter body portion 56 of the lamp housing holder 50 so as to engage with the male screw 57b formed on the outer peripheral surface of the base connection portion 57 and the small-diameter body portion 56. By screwing the female screw 56a formed on the peripheral surface, the connection base 43 and the base connection portion 57 are formed.
The lamp holder 50 is integrally fixed.

The lamp housing holder 50 includes one end surface of the connection base 43 of the lamp housing holder 50 and the rotation restricting ring 54.
Is arranged in the lamp accommodating portion 40b of the exterior member 46 in a positional relationship to hold the abutting surfaces 46c, 46d formed on the inner peripheral surface side of the exterior member 46 at one end surface of the exterior member 46. As a result, the exterior member 46 is
It is configured to rotate with respect to zero. At this time, the outer peripheral surface of the lamp housing holder 50 is not in contact with the exterior member 46, and an air layer is secured between the exterior member 46 and the lamp 5.
The temperature rise of the exterior member 46 due to lighting is prevented.

As shown in FIG. 10, the lamp housing holder 5
The rotation restricting ring 54 provided on the outer peripheral surface side of the base end side large-diameter portion 52 is substantially C-shaped with a cutout 54b formed therein, and the lamp accommodating portion in which the rotation restricting ring 54 is disposed. On the inner peripheral surface side of 40b, a convex rotation restricting portion 46a that contacts the side surface of the notch 54b is formed. By appropriately adjusting the width of the notch 54b formed in the rotation restricting ring 54, the range of the rotation angle of the exterior member 46 with respect to the lamp housing holder 50 can be set to a desired angle. ing. In the present embodiment, the range of the relative rotation angle between the exterior member 46 and the lamp housing holder 50 is set to be 90 degrees.

As shown in FIG. 8, the opening-side end of the base connection portion 57 is engaged with the inner hole of the connection base 43, and is connected by a watertight ring 59b provided on the outer periphery of the base connection portion 57. A watertight state between the outer peripheral surface of the connection 57 and the inner peripheral surface of the connection base 43 is ensured.

Further, a condenser lens 7 is provided at the base connector 57.
Are adhesively fixed in a watertight manner.

A watertight ring 59c for maintaining watertightness when connected to the flexible endoscope 2 is provided on the outer peripheral surface side of the connection base 43.

A watertight ring 49d is provided on the outer peripheral surface of the connection base 43, and the watertight ring 59d keeps the connection base 43 and the lamp housing 40b watertight.

The battery shown in FIG. 6A is provided on the inner peripheral side of the battery accommodating portion 40a (see FIG. 5) of the light source main body 40 (see FIG. 5) accommodating the dry battery 6 (see FIG. 5). A storage member 47 is provided. As shown in FIG. 8, the contact spring portion 71 provided to protrude from the front end side of the battery housing member 47 is provided on the lamp housing portion 40 of the exterior member 46.
The lamp housing holder 50 is disposed so as to hold a part of the small-diameter body portion 56 of the lamp housing holder 50 that is rotatably arranged with respect to b.

As shown in FIGS. 6A and 6B, the cross-sectional shape of the small-diameter body portion 56 held by the contact spring portion 71 is a substantially circular shape having a pair of flat portions 56b. Diameter 5
6 is set to be larger than the distance between the contact spring portions 71, while the width of the pair of flat portions 56b is
The dimensions are set to be substantially the same as the distance between the two. As a result, the contact between the circular outer peripheral surface on the small diameter body portion 56 and the contact spring portion 71 is ensured, and the contact spring portion 71 is
A click sensation is obtained when placed in 6b.

As shown in FIGS. 6A and 6C, an outer member 46 (see FIG. 3) and a cover outer member 45a are provided on the outer peripheral surfaces of the battery housing member 47 and the battery receiving member 48.
(See FIG. 3). Rotation restricting engagement portions 47a and 48a are formed to prevent rotation of the battery housing member 47. In addition, the battery receiving member 48 is integrally disposed on the cover exterior member 45a, and each joint is strong against external force in the rotating direction.

A screw portion 48 d formed on the outer peripheral surface of the battery receiving member 48 is adapted to be screwed into a female screw portion 47 c formed on the battery housing member 47.

As shown in FIG. 3, a caulking portion 45b is formed on the bottom surface of the lid exterior member 45a, and a through hole 48c formed in the battery receiving member 48 (FIG. 6 (c)).
After that, after being inserted through the caulking portion 45b
The tip of the caulking portion 45b is heated and melted by a soldering iron or the like, so that the battery receiving member 4
8 is integrally fixed to the cover exterior member 45a.

The battery receiving member 48 is provided with a conductive spring 72 which abuts on the negative electrode side of the dry battery 6 and urges the dry battery 6 toward the lamp housing holder 50.
8 and electrically fixed. As the material of the spring 72, a steel wire for spring which is plated with copper and nickel is suitable.

As shown in FIG. 3, the positive electrode of the dry battery 6 is electrically connected to the lamp side electrode 5p of the lamp 5 via the electric contact 62.

The negative electrode of the dry battery 6 is connected to the spring 72 → the battery receiving member 48 → the battery housing member 4.
7 → metal pin 100 → contact spring portion 71 → lamp storage holder 50 → contact spring receiving portion 65 → contact spring 64 → via the contact pin 63 to conduct to the lamp rear end electrode 5n of the lamp 5. .

As is well known, the commercially available dry battery 6 is formed in a substantially columnar shape, a substantially entire surface of one end surface is a negative electrode, and a substantially cylindrical protrusion protruding from the center of the other end surface. The part is a positive electrode.

As shown in FIG. 3, FIG. 8 and FIG. 9, the metal pin 100 is disposed opposite to the positive electrode in the surface of the dry battery 6 where the positive electrode is disposed. .

The non-conductive rubber pad 101 is provided in the battery housing member 47 so as to face a position where the positive electrode of the dry battery 6 is not overlapped with the positive electrode.
Is installed.

The rubber pad 101 protrudes higher toward the dry battery 6 than the protrusion 102 of the metal pin 100.

If the rubber pad 101 is not provided and the dry battery 6 is erroneously loaded in reverse, the negative electrode of the dry battery 6 comes into contact with the metal pin 100, and the positive electrode of the dry battery 6 → the spring 72 → the battery receiving member 48 → the battery storage An electric current may flow through the path of the member 47 → the metal pin 100 → the negative electrode of the battery, and the short circuit of the dry battery 6 may occur.

In this embodiment, since the rubber pad 101 is provided, the rubber pad 101 prevents the negative electrode of the dry battery 6 from contacting the metal pin 100 even if the dry battery 6 is reversely loaded. The dry battery 6 is not short-circuited.

FIG. 11 is a view in which the inside of the light source main body 40 is viewed from the AA cross section of FIG. 3 when the lamp part 42 (see FIG. 5) is mounted on the light source main body 40.

When the lamp part 42 is mounted on the light source main body part 40, the electric contact part 62 is guided by the insulating ring 55 through the notch 51 of the lamp housing holder 50, and moves in the direction of the arrow in FIG. , Is pushed into the center of the light source main body 40, and contacts the positive electrode 103 of the dry battery 6.

The notch 51 is formed so as to secure a gap 104 to such an extent that the electric contact portion 62 and the lamp housing holder 50 do not come into contact with each other.

Here, if the gap 104 is not ensured, the electric contact part 62 may come into contact with the lamp housing holder 50 while the lamp part 42 is mounted on the light source main body part 40. Lamp storage holder 5 electrically connected to positive electrode 103 of dry cell 6 and negative electrode of dry cell 6
0 may be short-circuited.

In this embodiment, since the gap 104 is ensured, the dry battery 6 is prevented from short-circuiting through the electric contact portion 62.

Instead of securing the gap 104, an insulating member may be provided in the notch 51.

The main effects of the present embodiment described above will be described.

As described with reference to FIG. 1, the endoscope apparatus 1 according to the present embodiment comprises a plurality of different types of flexible endoscopes 2, 1 having a light guide fiber for guiding illumination light.
05, rigid endoscopes 106, 107, and a plurality of different types of flexible endoscopes 2, 105, rigid endoscopes 106, 107
And a battery-type light source 4 which is a light source device having a lamp for supplying illumination light to a light incident end of the light guide fiber and a battery for supplying current to the lamp. Therefore, portability when using a plurality of different types of flexible endoscopes 2 and 105 and rigid endoscopes 106 and 107 can be improved.

In the present embodiment, the rubber pad 10
Since the battery 1 is provided, the rubber pad 101 prevents the negative electrode of the dry battery 6 from contacting the metal pin 100 even if the dry battery 6 is loaded inadvertently, thereby preventing the dry battery 6 from being short-circuited.

Further, in this embodiment, since the gap 104 is ensured, it is possible to prevent the dry battery 6 from being short-circuited through the electric contact portion 62. In addition, instead of securing the gap 104, even if an insulating member is provided in the notch 51,
Similarly, short circuit of the dry battery 6 can be prevented.

The present invention is not limited to the above-described embodiment, but can be variously modified without departing from the gist of the invention.

For example, as shown in FIG. 1, the battery type light source 4 may be used by connecting to a medical device having a light guide fiber for guiding illumination light, such as a plurality of different types of laryngoscopes 108 and 109. Good. Laryngoscope 108, 1
09 may have a different shape of the blade, for example.

Further, for example, the dry battery 6 loaded in the battery type light source 4 is not limited to a dry battery, but may be a rechargeable battery having the same shape as the dry battery.

[Supplementary Note] (Supplementary note 1) The endoscope of the present invention can be detachably attached to any of a plurality of different types of endoscopes having light guide fibers for guiding illumination light and any of the plurality of different types of endoscopes. An endoscope device comprising: a lamp for supplying illumination light to a light incident end of a light guide fiber; and a light source device including a battery for supplying current to the lamp.

(Additional Item 2) The endoscope apparatus according to Additional Item 1, wherein the plurality of different types of endoscopes include a flexible endoscope and a rigid endoscope.

(Additional Item 3) Illumination light is supplied to a connection portion detachable to a plurality of different types of endoscopes having a light guide fiber for guiding illumination light, and a light incident end of the light guide fiber. A light source device for an endoscope, comprising: a lamp; and a battery for supplying a current to the lamp.

(Additional Item 4) The light source device for an endoscope according to Additional Item 3, wherein the connecting portion is detachable from the laryngoscope.

(Additional Item 5) An endoscope having a light guide fiber for guiding illumination light, a light source device detachable from the endoscope, and illumination light supplied to a light incident end of the light guide fiber. A lamp provided in the light source device, and a battery housing member provided in the light source device for loading a battery for supplying current to the lamp,
A first contact member provided on the battery housing member, which is in contact with the positive electrode of the battery; a second contact member provided on the battery housing member, which is in contact with the negative electrode of the battery; A conductive member disposed in the battery housing member, the endoscope device being electrically connected to the contact member and exposed near the first contact member, wherein the battery is inverted in the battery housing member. An endoscope comprising a non-conductive member disposed near the conductive member of the battery accommodating member to prevent the negative electrode from contacting the conductive member when the battery is loaded in an orientation. Mirror device.

(Additional Item 6) An endoscope having a light guide fiber for guiding illumination light, a light source device detachable from the endoscope, and illumination light supplied to a light incident end of the light guide fiber. A lamp holding member detachable to the light source device, a current supplied to the lamp, a battery mounted on the light source device, and a contact with a positive electrode of the battery, A contact member provided on the lamp holding member, and a first member provided on the lamp holding member for electrically connecting to the negative electrode.
And a conductive member that is always conductive with the negative electrode, and is provided near the contact member of the light source device, the conductive member being in contact with and conducting with the first conductive member when the lamp holding member is mounted on the light source device. And a second conductive member, wherein the contact member and the second conductive member are prevented from contacting with each other, and the second conductive member is provided so as to secure a gap. An endoscope apparatus, wherein a conductive member is formed, or a non-conductive member is disposed on the second conductive member.

[0086]

According to the present invention, a plurality of different types of endoscopes having light guide fibers for guiding illumination light, and the plurality of different types of endoscopes can be detachably attached to the light guide fibers. A light source device including a lamp that supplies illumination light to an end thereof and a battery that supplies current to the lamp;
, The portability when using a plurality of different types of endoscopes can be improved.

[Brief description of the drawings]

FIG. 1 to FIG. 11 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory diagram showing a configuration of an endoscope apparatus.

FIG. 2 is an explanatory diagram showing a configuration of an endoscope apparatus when using a flexible endoscope.

FIG. 3 is a sectional view illustrating a state in which a battery-type light source is connected to the light guide base.

FIG. 4 is an explanatory diagram showing a positional relationship when an endoscope and a battery-type light source are connected.

FIG. 5 is an explanatory diagram showing a schematic configuration of a battery-type light source.

FIG. 6 is an explanatory view showing the shape of a main conductive member constituting a battery light source ((a) is a battery housing member, (b)
Is a lamp storage holder, (c) is a battery receiving member)

FIG. 7 is an explanatory diagram showing a configuration of a lamp unit.

FIG. 8 is a cross-sectional view showing a configuration of a light source body.

FIGS. 9A and 9B are explanatory diagrams showing a rotational positional relationship of a lamp storage holder provided with an insulating ring with respect to a dry battery (FIG. 9A is a lamp lighting state, and FIG. 9B is a lamp OFF state).

FIG. 10 is an explanatory diagram showing a rotational positional relationship between an exterior member and a lamp storage holder.

FIG. 11 is an explanatory view including a sectional view taken along the line AA of FIG. 3, illustrating a positional relationship between the lamp housing holder and the electric contact portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Endoscope apparatus 1a ... Endoscope apparatus 2 ... Flexible endoscope 3 ... Light guide cable 3a ... Connection part 3b ... Light guide connector 3c ... Connection socket 4 ... Battery type light source 4a ... Index | index 5 ... Lamp 5n ... Lamp Rear end electrode 5p Lamp side electrode 6 Dry battery 7 Condensing lens 21 Front end portion 22 Curved portion 23 Flexible tube 24 Insertion portion 25 Eyepiece 26 Light guide cap 26a Male screw Part 26b Index 26c Connection ring 26d Pin receiving part 27 Operating part 28 Bending operation lever 29 Suction button 31 Suction base 32 Forceps insertion port 33 Forceps plug 34 Light guide fiber 34a Light guide cover glass 37 ... Vent base 40 ... Light source main unit 40a ... Battery housing unit 40b ... Lamp housing unit 41 ... Connecting unit 42 ... Lamp unit 43 ... Connection base 43a ... Positioning pin 44 Connection socket 45 Lid 45a Lid outer member 45b Caulking portion 46 External member 46a Rotation restricting portions 46c and 46d Abutment surface 47 Battery storage member 47a Rotation restricting engagement Part 47c Female thread part 48 Battery receiving member 48a Rotation restricting engaging part 48c Through hole 48d Screw part 49 Packing member 50 Lamp holder 51 Notch 51a Enlarged opening 52 Base end side Large diameter portion 52a Female screw portion 53 Central trunk portion 54 Rotation restricting ring 54a Screw 54b Notch 55 Insulating ring 55a Projecting groove 56 Small diameter trunk portion 56a Female screw 56b Flat portion 56c: Notch 57: Base connection portion 57a: Base engagement portion 57b: Male screw 59a, 59b, 59c, 59d: Watertight ring 60: Lamp holder 61: Holder Main body 61a ... fixed screw 61b ... partition wall 62 ... electrical contact portion 63 ... contact pin 63a ... convex portion 64 ... contact spring 65 ... contact spring receiving portion 66 ... retaining pin 67 ... lamp holder mounting screw portion 67a ... male screw portion 67b ... Slit 68 ... Holder exterior member 69a ... Watertight ring 71 ... Contact spring part 72 ... Spring 100 ... Metal pin 101 ... Rubber pad 102 ... Protrusion 103 ... Positive electrode 104 ... Gap 105 ... Soft endoscope 106 ... Hard endoscope 107 ... Hardness Endoscope 108 ... Laryngoscope 109 ... Laryngoscope 110 ... Light guide cable

Claims (1)

[Claims] 1. A plurality of different types of endoscopes having light guide fibers for guiding illumination light, and detachably attached to any of the plurality of different types of endoscopes, and light incident on the light guide fibers. An endoscope apparatus comprising: a light source device having a lamp for supplying illumination light to an end thereof; and a battery for supplying current to the lamp.