JP3439133B2 - Endoscope device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] TECHNICAL FIELD The present invention is suitable for portable use.
The present invention relates to an endoscope device. [0002] 2. Description of the Related Art Widely used in medical and industrial fields.
Endoscopes are now being diagnosed,
Since it is inside a living body, plant, etc., illumination means is required.
It is important. For this reason, in a general endoscope device,
Prepare a light source device as an external device, and
Light from the pump to the light guide fiber provided in the endoscope
Illumination light guided and guided by this light guide fiber
From the illumination window on the distal end side of the insertion section, and
Is configured to be illuminated. [0003] The light source device is generally connected to a commercial power supply.
Lights the lamp inside the light source device using the supplied power
It is to let. On the other hand, for example, Japanese Patent Application 8-39
No. 739 uses a small battery such as a dry battery as the power supply.
Use a battery-type light source of type
Endoscope that can be detachably attached to the endoscope operation unit
Suggest a mirror. Take such a battery-type light source
The attached endoscope is easy to carry and portable
Are suitable. Also, it can be used in places without power supply.
Therefore, it is suitable for emergency use. [0004] [0005] [0006] [Problems to be solved by the invention]lamp
Unit is installed in the light source body, the electrical contacts and the lamp housing
May come in contact with the
There is conduction between the positive electrode of the pond and the negative electrode of the dry cell
There is a risk of short-circuit with the lamp storage holder. [0007] The present invention has been made in view of the above circumstances.
AndConnect the positive electrode of the battery and the dry battery
The lamp storage holder connected to the negative electrode of the battery
To provide an endoscope device for preventing a short circuit of the endoscope.
aimed to. [0008] [MEANS FOR SOLVING THE PROBLEMS] Light for guiding illumination light
An endoscope having a guide fiber;
Light source device and a light incident end of the light guide fiber
Holding a lamp for supplying illumination light to the unit, the light source
Detachable to deviceLamp holderAnd a current is supplied to the lamp.
A battery loaded in the light source device for supplying;
For contacting the positive electrode of the battery,Lamp holder
The contact member provided in the
Said to connectLamp holderArranged inContact bar
Net receiving partAnd always conductive with the negative electrode,run
HolderWhen attached to the light source device,Contact spring support
KebeThe contact member of the light source device, which is in contact with and conducts
Located nearLamp storage holderAnd an endoscope having
The device, wherein the contact member and the contact memberLamp storage holderWhen
Make sure there is a gap to prevent contact
AboveLamp storage holderForm, orInsulation materialTo
SaidLamp storage holderShort due to being placed in
Not to be. [0009] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment will be described. (First Embodiment) FIG. 1 to FIG.
FIG. 1 shows an endoscope apparatus according to a first embodiment of the present invention.
FIG. 2 is an explanatory view showing the configuration, and FIG.
FIG. 3 is an explanatory view showing a configuration of an endoscope apparatus, and FIG. 3 is a light guide base.
For explaining a state in which a battery-type light source is connected to
FIGS. 4A and 4B show the connection between the endoscope and the battery-type light source.
FIG. 5 is an explanatory diagram showing a positional relationship, and FIG.
FIG. 6 is a diagram showing the main components of a battery light source.
Explanatory drawing showing the shape of the conductive member ((a) is a battery housing)
(B) is a lamp storage holder, (c) is a battery
FIG. 7 is an explanatory view showing the configuration of the lamp unit, and FIG.
Is a cross-sectional view showing the configuration of the light source body, and FIG.
Rotation of the provided lamp storage holder with respect to the dry cell
Explanatory drawing showing a positional relationship ((a) is a lamp lighting state,
(B) is a lamp extinguished state), FIG. 10 is an exterior member and a lamp
FIG. 11 is an explanatory view showing a rotational positional relationship with the storage holder, and FIG.
Explanation of the positional relationship between the pump contact holder and the electrical contacts
FIG. 4 is an explanatory view including an AA cross-sectional view of FIG. 3. As shown in FIG. 1, an endoscope according to the present embodiment
The device 1 includes a plurality of different types of flexible endoscopes having a flexible insertion portion.
Mirrors 2, 105, several different types of rigidity where the insertion part is rigid
It has endoscopes 106 and 107. The flexible endoscopes 2, 105 and the rigid endoscope
Here, 106 and 107 are diagrams for guiding illumination light.
Built-in light guide fiber (not shown)
To supply illumination light to this light guide fiber.
Light guide bases 26 are provided. Further, the endoscope apparatus 1 includes flexible endoscopes 2 and 1.
05, any of the light guides of the rigid endoscopes 106 and 107
A connection portion 41 that can also be connected to the
Illumination light to be supplied to the waveguide fiber is shown here.
No lamps and supplies for this lamp
And a battery-type light source 4 having a battery. Further, the flexible endoscopes 2 and 105, the rigid endoscope
The light guide base 26 of 106 and 107 has a battery
Instead of connecting the mold light source 4, several different types of lights
You can also connect the guide cables 3 and 110
Swelling. Various light guide cables 3, 11
Since 0 can be used, optimal brightness can be obtained
It has become. The flexible endoscopes 2 and 105 are different types of soft endoscopes.
It is a sex endoscope. For example, even if the diameter of the insertion part is different
Good. [0016] The rigid endoscopes 106 and 107 are of different types.
Is a rigid endoscope. For example, direct view type, perspective type, side view type
For example, different observation directions may be used. As shown in FIG. 2, a part of the endoscope device 1
The endoscope device 1a configured by extracting the
Next, the distal end portion 21, the bendable bending portion 22, having flexibility
Insertion section 24, which is elongated by connecting flexible tube sections 23
And a rear end portion which is located on the base end side of the insertion portion 24.
Good thermal conductivity member protruding from the eyepiece 25 and the side
Also serves as a gripper provided with a light guide base 26 formed by
A watertight flexible endoscope 2 having an operating section 27
Light guide base provided on the operation unit 27 of the flexible endoscope 2
26 which is detachably connected to 26 via a connecting portion 3a.
Guide cable 3 and this light guide cable 3
Alternatively, the connection portion 41 is connected to the light guide base 26 of the operation portion 27.
A substantially T-shaped shape which is detachably connected via
Watertight battery type light source 4 with a pump and a battery
It is composed of The operation section 27 is provided with a bending operation lever 28.
The bending operation lever 28 is rotated.
This allows the bending portion 22 to perform a bending operation.
You. The operation unit 27 performs a suction operation.
And a proximal end of the suction button 29
The figure provided on the flexible endoscope 2 protruding from the vicinity to the side direction
With suction base 31 communicating with suction channel
Have been. The suction base 31 is connected via a tube (not shown).
And connected to a suction device (not shown).
The suction channel and the suction base 3 can be appropriately operated.
It is possible to aspirate body fluid in the body cavity through 1
Swelling. A forceps or the like is provided on the distal end side of the operation section 27.
Forceps insertion port 32 for inserting a treatment instrument of
I have. The forceps insertion port 32 is provided in the flexible endoscope 2.
The suction channel is in communication with the suction channel
, A forceps stopper 33 is attached. The operation unit 27 is, for example, opposite to the forceps insertion port 32.
At the side position, a vent hole 37 protrudes.
Sending air from the base 37 into the flexible endoscope 2
This allows the flexible endoscope 2 to be inspected for water leakage.
ing. In the insertion portion 24, there is a light guide for guiding illumination light.
Then, the light guide fiber 34 (not shown) is inserted
The light guide fiber 34 has a base end
It is fixed in the guide base 26. Also, the light guide base 26 is formed
Of the connecting portion 3a or the connecting portion 41 to the male screw portion 26a.
Each of the connecting bases 43 is provided rotatably on the outer peripheral side thereof.
Female formed on the inner peripheral surface of the connection socket 3c, 44
Screw the screw into the flexible endoscope 2 and the light guide cable.
And the flexible endoscope 2 and the battery type light source 4 are integrated.
It can be connected. Provided at the end of the light guide cable 3
The light guide connector 3b is a conventional light guide connector (not shown).
It is designed to be connected to a light source device.
By connecting the id connector 3b to the light source device,
The illumination light from the lamp provided inside the light source device
Light guide connector 3b and light guide cable 3
Via a light guide fiber (not shown) and the connecting portion 3a
The light is supplied to the light guide fiber 34 in the flexible endoscope 2.
You. The battery type light source 4 includes a detachable lid 4.
5 is attached, and removing this lid 45
Then, the dry battery 6 (see FIG. 5) as a battery can be replaced.
It has become so. 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
The illumination light emitted from the lamp 5 is a light guide base.
26 provided on the light incident end face of the light guide fiber 34.
Through the light guide cover glass 34a
The light enters the guide fiber 34. Then, the light guide fiber 34
The guided illumination light is emitted forward and
Illuminate the elephant site. And illuminated by this illumination light
Of the subject is optically imaged at the imaging position by the objective lens system.
Tie. The optical image formed at this image forming position is
Eyepiece 25 via image guide fiber (see FIG. 2)
To the eyepiece provided in the eyepiece 25.
Allows the surgeon to magnify and observe the subject image
Has become. As shown in FIG. 4, the flexible endoscope 2 and the battery
When the light guide base 26 is connected to the re-shaped light source 4,
Indicator 26b and battery-type light written on connecting ring 26c
Match the index 4a written on the source 4 with the light guide
The battery-type light source 4 is attached to the base 26. this thing
The positioning provided in the battery type light source 4
The pin 43a is connected to the connection ring 26c of the light guide base 26.
It is engaged with the formed pin receiving portion 26d,
It is positioned and fixed in a positional relationship. Here, the positioning pin 43a is connected to the battery
When the type light source 4 is rotated with respect to the flexible endoscope 2,
Since it is a part where stress is applied, it is positioned on the connection base 43.
A plurality of pins 43a are provided, and the pin receiving portions 26 of the connection ring 26c are provided.
d is also formed in a plurality corresponding to the positioning pin 43a.
Thus, the strength may be improved by dispersing the stress. Further, a plurality of positioning pins 43a are provided.
In this case, the positioning pins 43a are arranged in an asymmetrical positional relationship.
Thereby, the battery type light source 4 is moved to the flexible endoscope 2.
Connecting upside down can be prevented. In this state, the inner peripheral surface of the connection socket 44
Female screw formed and male screw of light guide base 26
The flexible endoscope 2 and the battery type light source are screwed together with the portion 26a.
4 are integrally connected and fixed. At this time, lamp 5
(See FIG. 3) so that the battery-type light source 4 is turned off.
In the off state. As shown in FIG. 5, the battery-type light source 4
The light source body 40 and the light source body 40
And a lid portion 45 and a lamp portion 42.
The body 45 and the lamp part 42 are removed from the light source body part 40
The replacement of the dry battery 6 and the replacement of the lamp 5 can be performed.
It has become. The light source body 40 is formed of an insulating resin member.
The outer member 46 thus formed and the battery
6A disposed on the inner peripheral surface side of the container 40a.
A battery storage member 47 formed of an electrically conductive member;
42 is disposed on the inner peripheral surface side of the lamp housing portion 40b for housing
6B, a lamp housing housing formed of the conductive member shown in FIG.
It is mainly composed of a rudder 50. As shown in FIG. 6A, the battery housing
The material 47 includes a packing member 49 and a contact spring portion 7 described later.
1 is provided. Further, on the inner peripheral surface side of the lid 45 shown in FIG.
Is a battery receiver formed of the conductive member shown in FIG.
It is configured that the blocking member 48 is arranged. As shown in FIG. 7, the lamp section 42 is detachable.
Flexible lamp 5 and lamp to which this lamp 5 can be attached
And a holder 60. The tip glass surface of the lamp 5 is a lens
It is formed into a shape and has the role of converging emitted light.
You. The lamp holder 60 is made of an insulating resin member.
A substantially pipe-shaped holder body 61 formed by
The holder body 61 is fixed by fixing screws 61a.
And a lamp provided on the side peripheral surface at the base end of the lamp 5.
It electrically contacts the side electrode 5p and accommodates the battery.
The battery 6 (see FIG. 5) stored in the portion 40a (see FIG. 5)
) And the holder body 6
1 is formed in the partition wall 61b formed in the through hole.
Having a convex portion 63a that fits loosely into the through hole.
Is provided on the rear end face of the base end of the lamp 5.
It is formed of a conductive member that is in electrical contact with the rear electrode 5n.
A contact pin 63 having a substantially convex cross-sectional shape is formed.
Conductivity for biasing the point pin 63 toward the rear end electrode 5n of the lamp
And the outer peripheral surface at the base end of the holder body 61
It is covered so as to protrude from the outer peripheral surface of the holder body 61,
The contact spring 64 and the lamp holder 60 are attached.
Lamp holder 50 (FIG. 6)
(B), and a contact spring receiving portion 65 that contacts
Rotate the point spring receiving portion 65 via the retaining pin 66
A movable lamp holder having a male screw portion 67a formed on the outer peripheral surface.
And a lamp holder mounting screw portion 67.
Heat insulation made of resin with low thermal conductivity attached to
And a holder exterior member 68 as a cover. Rear end of outer peripheral surface of screw portion 67 for mounting lamp holder
A flange is formed in the vicinity, and the holder exterior member 68
Is attached by bonding to the rear end face of this flange.
Have been. The holder exterior member 68 and this flange are the same.
The diameter is formed. Thereby, the holder exterior member 68
When the lamp holder 60 is attached and detached by picking the
The material 68 is peeled off from the lamp holder mounting screw portion 67
Has been prevented. The battery receiving member 48 (FIG. 6C)
6), the battery storage member 47 (see FIG. 6A),
Point spring 71 (see FIG. 6A), lamp storage holder 5
0 (see FIG. 6B), contact spring receiving portion 65, contact pin
63, the material of the electrical contact portion 62 is copper alloy and nickel
Plated material is suitable, and the material of the contact spring 64
Copper and nickel plated steel wire for spring
Those that do are suitable. The outer circumference of the lamp holder mounting screw portion 67
A watertight ring 69a is provided on the surface. This la
A lamp holder is provided on the base end face of the lamp holder mounting screw portion 67.
A slit 67b for attachment / detachment 60 is formed. As shown in FIG.
The conductive container 40b has a plurality of steps that are elongated and conductive.
The lamp housing holder 50 formed in a substantially pipe shape by a member
It is to be arranged. As shown in FIG. 8 and FIG.
As shown in FIG.
Extends axially through the end-side large diameter portion 52 to the central trunk portion 53
A notch 51 is formed. In this notch 51
Electric contact part 62 constituting the lamp part 42 (see FIG. 5)
(See FIG. 5). For this reason,
The width of the notch 51 is wider than the width of the electric contact 62.
Widely formed. As shown in FIG. 8, the lamp housing holder 50
On the inner peripheral surface of the large diameter portion 52 on the base end side, a lamp holder mounting screw is provided.
Male screw portion formed on the outer peripheral surface of the portion 67 (see FIG. 7)
67a (see FIG. 7) is formed with a female screw portion 52a.
Have been. Further, on the outer peripheral surface side of the base end side large diameter portion 52,
The rotation restricting ring 54 is fixed by the screw 54a.
Swelling. The rotation restricting ring 54 is
The rotation rule is arranged in the container 40b.
Watertight ring 59a provided on the outer peripheral surface of
The water tightness between the rotation restricting ring 54 and the lamp housing 40b.
Is secured. 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. 6B) is formed.
The width of the notch 51 is substantially the same as the width of the notch 51 on the outer peripheral surface including the mouth 51a.
The convex portion arrangement groove 55a shown in FIG.
An insulating ring 55 is provided. From the central body 53 of the lamp holder 50
A lamp is provided on the outer peripheral surface side of the small-diameter body portion 56 located on the distal end side.
Connection base 4 provided so as to be located in accommodation portion 40b
3 is disposed on the inner peripheral surface side of the small-diameter body portion 56.
The base engaging portion 57a into which the guide base 26 (see FIG. 2) is engaged.
The base connection part 57 with the
I have. A positioning pin 43 a is provided on the connection base 43.
It is fixed with screws so that it protrudes inside the gold 43.
Of the positioning pin 43a of the lamp housing holder 50.
Cutout 56c provided at the end of the small-diameter body portion 56 (FIG. 6B)
Connection base 43 so as to engage the lamp housing holder.
Slide into the small-diameter body portion 56 of the
A male screw 57b formed on the outer peripheral surface of the connecting portion 57 and a small-diameter body portion
The female screw 56a formed on the inner peripheral surface of the screw 56 is screwed.
By this, the connection base 43 and the base connection part 57 are
The lamp holder 50 is integrally fixed. The lamp housing holder 50 is a lamp housing holder.
One end surface of the connection base 43 of the die 50 and the rotation restricting ring 54
Is formed on the inner peripheral surface side of the exterior member 46
In the positional relationship of nipping the abutting surfaces 46c and 46d,
It is arranged in the lamp accommodating portion 40b of the member 46. This
As a result, the exterior member 46 is
It is configured to rotate with respect to zero. At this time, run
The outer peripheral surface of the storage case 50 contacts the exterior member 46 and
Instead, an air layer is secured between the lamp 5 and the exterior member 46.
The temperature rise of the exterior member 46 due to lighting is prevented. As shown in FIG. 10, the lamp housing holder 5
Rotation regulation provided on the outer peripheral surface side of the base end side large diameter portion 52
The ring 54 has a substantially C-shape in which a notch 54b is formed.
And the lamp housing on which the rotation restricting ring 54 is disposed.
On the inner peripheral surface side of the container portion 40b, on the side surface portion of the notch 54b
A convex rotation restricting portion 46a that is in contact is formed. So
The notch 54b formed in the rotation restricting ring 54
By adjusting the width appropriately, the lamp storage holder
The range of the rotation angle of the exterior member 46 with respect to 50 is a desired angle.
It can be set to. Form of this implementation
In the state, the relative position of the exterior member 46 and the lamp housing holder 50 is different.
The range of the typical rotation angle is set to 90 degrees. As shown in FIG. 8, the opening of the base connector 57
The side end is engaged with the inner hole of the connection base 43,
A base is provided by a watertight ring 59b provided on the outer periphery of the portion 57.
The watertight state between the outer peripheral surface of the connection portion 57 and the inner peripheral surface of the connection base 43
Secured. Further, a condenser lens 7 is provided at the base connector 57.
Are adhesively fixed in a watertight manner. The outer peripheral surface side of the connection base 43 is soft.
Watertight phosphorus for maintaining watertightness when connected to endoscope 2
A plug 59c is provided. The outer peripheral surface of the connection base 43 is provided with a watertight seal.
Ring 49d is provided on this watertight ring 59d.
Therefore, the watertightness between the connection base 43 and the lamp housing 40b is maintained.
Is to be carried. A light source for accommodating the dry battery 6 (see FIG. 5)
The battery housing portion 40a of the body portion 40 (see FIG. 5) (see FIG. 5)
6), the battery housing shown in FIG.
A member 47 is provided. As shown in FIG.
It is provided so as to protrude from the tip side of the battery storage member 47.
The contact spring 71 is connected to the lamp housing 40 of the exterior member 46.
lamp storage holder rotatably arranged with respect to b
50 so as to hold a part of the small-diameter body portion 56
I have. As shown in FIGS. 6A and 6B, the contact bar
The cross-sectional shape of the small diameter body portion 56 held by the thread portion 71 is a pair of
It has a substantially circular shape having a flat portion 56b,
6 is set to be larger than the distance between the contact spring portions 71.
On the other hand, the width dimension of the pair of flat portions 56b is
The dimensions are set to be substantially the same as the distance between the two. By this
Between the circular outer peripheral surface on the small diameter body portion 56 and the contact spring portion 71
And the contact spring portion 71 is fixed to the flat portion 5.
A click sensation is obtained when placed in 6b. As shown in FIGS. 6A and 6C, the battery
On the outer peripheral surfaces of the re-storing member 47 and the battery receiving member 48
Are the exterior member 46 (see FIG. 3) and the lid exterior member 45a.
(See FIG. 3).
Parts 47a and 48a are formed,
The battery housing member 47 is covered by the parts 47a and 48a.
The battery is integrally disposed in the
The terry receiving member 48 is integrally disposed on the lid exterior member 45a.
And each joint is strong against external force in the direction of rotation.
Become. The battery receiving member 48 is formed on the outer peripheral surface.
The screw portion 48d is formed on the battery housing member 47.
Into the female screw portion 47c. As shown in FIG. 3, the cover exterior member 45a is
A caulked portion 45b is formed on the bottom surface,
The through-hole 48c formed in the receiving member 48 (FIG. 6C)
After that, after being inserted through the caulking portion 45b
The tip of the caulking portion 45b is heated by a soldering iron or the like.
The battery receiving member 4 is melted by adding
8 is integrally fixed to the cover exterior member 45a. The battery receiving member 48 has a negative
Attach dry battery 6 to lamp storage holder 50 side
The energizing conductive spring 72 is connected to the battery receiving member 4.
8 and electrically fixed. This spring
The material of 72 is copper plating and nickel on steel wire for spring.
A plated one is suitable. As shown in FIG. 3, the positive electrode of the dry battery 6
Is connected to the lamp side portion of the lamp 5 through the electrical contact portion 62.
It is designed to conduct to the pole 5p. The negative electrode of the dry battery 6 is
72 → Battery receiving member 48 → Battery storage member 4
7 → Metal pin 100 → Contact spring 71 → Lamp storage holder
50 → contact spring receiving portion 65 → contact spring 64 → contact pin
Conduction to the lamp rear end electrode 5n of the lamp 5 via 63
It is supposed to. As is well known, a commercially available dry battery 6 has a substantially cylindrical shape.
And one end face is almost entirely negative electrode
And has a substantially cylindrical shape protruding from the center of the other end face.
Are the plus electrodes. As shown in FIG. 3, FIG. 8 and FIG.
The pin 100 is provided with the positive electrode of the dry battery 6.
It is arranged facing away from the plus electrode in the plane
I have. The battery accommodating member 47 has dry batteries.
6 plus electrode in the plane where the plus electrode is disposed
The non-conductive rubber pad 101
Is installed. The rubber pad 101 has a protrusion of the metal pin 100.
It protrudes higher toward the dry battery 6 than the rim 102. Here, if there is no rubber pad 101,
When the dry battery 6 is reversely loaded, the negative electrode
Contacts the metal pin 100 and the positive electrode of the dry battery 6 →
Pulling 72 → battery receiving member 48 → battery storage
Material 47 → metal pin 100 → negative electrode of battery
Current may flow in the path and short-circuit the dry cell 6
There is. In the present embodiment, the rubber pad 101 is
Is installed, so that even if the dry cell 6 is
The negative electrode of the battery 6 contacts the metal pin 100
Battery 6 prevents the battery 6 from showing
Not to be set. FIG. 11 shows that the lamp section 42 (see FIG. 5)
When the light source is mounted on the light source main body 40, the light source
FIG. 3 is a view in which the inside of a main body unit 40 is viewed. The lamp part 42 is mounted on the light source body part 40.
At this time, the electric contact portion 62 is cut out of the lamp housing holder 50.
Through the insulating ring 55 through the
Move in the direction of the mark and push down to the center of the light source body 40
And contacts the positive electrode 103 of the dry battery 6. The notch 51 is provided between the electric contact portion 62 and the lamp.
A gap 104 that does not make contact with the storage holder 50 is secured.
It is formed so that. Here, if the gap 104 is not secured, the run
While the lamp unit 42 is mounted on the light source main body unit 40, the electric contact unit 62
The lamp housing holder 50 may come into contact with the
The positive electrode 103 of the dry cell 6 and the dry electrode
Lamp storage holder 5 conducting to the negative electrode of pond 6
0 may be short-circuited. In this embodiment, the gap 104 is secured.
Battery 6 is short-circuited via the electrical contact 62
Not to be. Note that, instead of securing the gap 104,
A configuration in which an insulating member is provided in the notch 51 may be adopted. Main effects of the present embodiment described above
Are listed. The endoscope apparatus 1 of the present embodiment uses FIG.
As described above, a light guide that guides illumination light
A plurality of different types of flexible endoscopes 2, 1 having fibers
05, the rigid endoscopes 106 and 107 and these plural different
Types of flexible endoscopes 2 and 105, rigid endoscopes 106 and 1
07 can be freely attached and detached.
Lamp for supplying illumination light to light incident end of bar and lamp
That is a light source device including a battery that supplies current to a battery
, And a plurality of different types of soft
Using endoscopes 2 and 105 and rigid endoscopes 106 and 107
Portability can be improved. In the present embodiment, the rubber pad 10
1 is installed.
Also, the negative electrode of the dry battery 6 contacts the metal pin 100.
Rubber pad 101 prevents the battery from running
Can be prevented. In this embodiment, the gap 104 is established.
The battery 6 is connected via the electrical contact portion 62.
Can be prevented. In addition, the gap 104 is secured.
Instead of disposing the insulating member in the notch 51,
Similarly, short circuit of the dry battery 6 can be prevented. The present invention relates to the above-described embodiment.
It is not limited to only the subject matter and does not depart from the gist of the invention.
Various modifications can be made within the scope. For example, as shown in FIG.
Source 4 with a plurality of different types of laryngoscopes 108, 109, etc.
With a light guide fiber that guides the illumination light
It may be used by connecting to a medical device. Laryngoscope 108, 1
09 may have a different shape of the blade, for example. Also, for example, the battery type light source 4
The dry battery 6 is not limited to the dry battery, and has the same shape as the dry battery.
It may be a rechargeable battery. [Appendix] (Appendix 1) Light guide fiber for guiding illumination light
Having a plurality of different types of endoscopes,
The light guide can be attached to and detached from any of the endoscopes.
A lamp for supplying illumination light to the light incident end of the fiber, and
A light source device including a battery for supplying current to the lamp;
An endoscope apparatus, comprising: (Additional Item 2) The endoscope apparatus according to additional item 1
Wherein said plurality of different types of endoscopes are flexible endoscopes.
Includes mirrors and rigid endoscopes. (Appendix 3) A light guide for guiding illumination light
With different types of endoscopes
Connection part and the light incident end of the light guide fiber
And a lamp for supplying illumination light to the
A light source for an endoscope, comprising:
apparatus. (Additional Item 4) The endoscope light described in Additional Item 3
Source device, wherein the connection portion is detachable from a laryngoscope.
You. (Appendix 5) A light guide for guiding illumination light
Endoscope having a fiber optic, and detachable to the endoscope
A light source device, and a light incident end of the light guide fiber.
Lamp provided in the light source device for supplying illumination light
And a battery for supplying current to the lamp.
For, a battery housing member provided in the light source device,
The battery housing member is provided in contact with the positive electrode of the battery.
To the obtained first contact member and the negative electrode of the battery.
A second contact member provided on the battery accommodating member and in contact with the second contact member
And the first contact member is electrically connected to the second contact member.
Exposed in the vicinity of the conductive member disposed in the battery housing member.
And an endoscope device comprising:
When the battery is loaded in the material in the opposite direction, the negative electrode
To prevent the conductive member from contacting the conductive member,
Non-conductive portion disposed near the conductive member of the battery housing member
An endoscope device comprising a material. (Appendix 6) A light guide for guiding illumination light
Endoscope having a fiber optic, and detachable to the endoscope
A light source device, and a light incident end of the light guide fiber.
A light source for holding a lamp for supplying illumination light;
A lamp holding member detachable from the
A battery loaded in the light source device for supplying power,
The lamp holding member for contacting a positive electrode of a battery
The contact member provided in the
A first connector provided on the lamp holding member for connection.
Conductive member and the negative electrode are always conductive,
When the lamp holding member is mounted on the light source device, the first
The contact of the light source device, which is electrically connected to a conductive member.
And a second conductive member disposed near the member.
A mirror device, wherein the contact member and the second conductive member
Make sure there is a gap to prevent contact
Forming the second conductive member, or a non-conductive member
An endoscope disposed on the second conductive member.
apparatus. [0086] 【The invention's effect】As described above, the present invention secures a gap
Battery is short-circuited through the electrical contacts.
Can be prevented. In addition, an insulation member is provided in the notch.
The battery can be prevented from short-circuiting.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 11 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory view showing a configuration of an endoscope apparatus. FIG. 2 is a flexible endoscope. FIG. 3 is an explanatory view showing a configuration of an endoscope apparatus when using the camera. FIG. 3 is a cross-sectional view illustrating a state in which a battery-type light source is connected to a light guide base. FIG. 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. FIG. Battery storage member, (b)
FIG. 7 is an explanatory view showing the configuration of the lamp section. FIG. 8 is a cross-sectional view showing the configuration of the light source body section. FIG. 9 is a lamp provided with an insulating ring. FIG. 10 is an explanatory view showing a rotational positional relationship of the storage holder with respect to the dry battery ((a) is a lamp lighting state, and (b) is a lamp extinguished state). 11 is an explanatory view including a sectional view taken along the line AA of FIG. 3 for explaining the positional relationship between the lamp housing holder and the electrical contact portion. [Description of References] 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 5 Lamp 5n Lamp rear end electrode 5p Lamp side electrode 6 Dry battery 7 Condensing lens 21 ... End part 22 ... Bending part 23 ... Flexible tube part 24 ... Insertion part 25 ... Eyepiece part 26 ... Light guide base 26a ... Male screw part 26b ... Index 26c ... Connection ring 26d ... Pin receiving part 27 ... Operation 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 body 40a Battery housing 40b Lamp housing 41 ... Connecting part 42 ... Lamp part 43 ... Connection base 43a ... Positioning pin 44 ... Connection socket 45 ... Lid 45a ... Lid outer member 45b ... Crimping part 46 ... Exterior member 46a ... Rotation restricting parts 46c and 46d ... Abutting surface 47 ... Battery accommodating member 47a ... Rotation restricting engagement part 47c ... Female screw part 48 ... Battery receiving member 48a ... Rotation restriction engaging part 48c ... Through hole 48d ... Ne Part 49 ... Packing member 50 ... Lamp storage holder 51 ... Notch 51a ... Enlarged opening 52 ... Basal end side large diameter part 52a ... Female screw part 53 ... Center trunk part 54 ... Rotation restricting ring 54a ... Screw 54b ... Notch 55 ... insulating ring 55a ... convex part arrangement groove 56 ... small diameter body part 56a ... female screw 56b ... plane part 56c ... notch 57 ... base connection part 57a ... base engagement part 57b ... male screw 59a, 59b, 59c, 59d ... Watertight ring 60 ... Lamp holder 61 ... Holder body 61a ... Fixing screw 61b ... Partition wall 62 ... Electrical contact portion 63 ... Contact pin 63a ... Protrusion 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 portion 72 Spring 100 Metal pin 101 Rubber Pat 102 Protrusion 103 Plus electrode 104 Gap 105 Flexible endoscope 106 Rigid endoscope 107 Rigid endoscope 108 Laryngoscope 109 Laryngoscope 110 Light guide cable

Claims (1)

(57) [Claim 1] An endoscope having a light guide fiber for guiding illumination light, a light source device detachable from the endoscope, and a light incident end of the light guide fiber Holds a lamp for supplying illumination light to the unit, and is detachable from the light source device.
A lamp holder , a battery mounted on the light source device for supplying current to the lamp, and the lamp holder for contacting a positive electrode of the battery.
A contact member provided in the dust, for connecting the negative electrode and electrically, the run
A contact spring receiving portion disposed Puhoruda, always conductive and the negative electrode, conducts the contact with the contact spring receiving portion the lamp holder when mounted on the light source device, the contact of the light source apparatus the endoscope apparatus having a lamp housing holder arranged in the member near the, for preventing said contact member and the lamp housing holder contacts, the lamp yield to ensure clearance
Forming a holder or storing an insulating member in the lamp
An endoscope device provided on a holder .