JPH1028233A - Image-pickup device for endoscope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image-pickup device for an endoscope in which the optical axis of the observing optical system of an endoscope and the central position of a solid-state image-pickup element can be arranged at an arbitrary prescribed position by moving the solid-state image-pickup element to horizontal direction, vertical direction, and rotational directions. SOLUTION: A mounting seat 12 is provided at the outer peripheral face of a CCD 11 arranged in an image-pickup device for an endoscope. This mounting seat 12 is bonded and fixed with an adhesive such as instantaneous adhesive. The CCD 11 can be housed and arranged in a housing member 13. At the housing part 13, five adjusting machine screws 14 as plural pressurizing members being an image-pickup element arranging position adjusting means are arranged so as to be freely movable forwards and backwards with respect to the housing member 13 with the top end faces abutted to the mounting seat 12 provided at the CCD 11. That is, five machine screws 14a, 14b, 14c, 14d, and 14e are screwed into the housing member 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an imaging apparatus for an endoscope which obtains an endoscope image by imaging an endoscope image captured by an observation optical system of the endoscope with a solid-state imaging device.

[0002]

2. Description of the Related Art Endoscopes are widely used in the medical and industrial fields. In an endoscope that can observe the inside of a body cavity by inserting an elongated insertion portion into the body cavity, the observation site is T
When the image is displayed on the V monitor, an endoscope image pickup device provided with an image pickup means is attached to an eyepiece provided in an operation section of an optical endoscope such as a fiberscope, or the endoscope is used for the endoscope. An electronic endoscope disposed at the distal end of the insertion portion of the mirror is used, or an optical adapter is attached to an eyepiece of an endoscope having a rigid insertion portion, and the optical adapter is provided with the imaging means. This was done by attaching a mirror imaging device.

[0003] A solid-state image pickup device, which is an image pickup means, converts an optical image formed on the solid-state image pickup device into an electric signal, and transmits the photoelectrically converted electric signal to a signal processing device. Is displayed on a TV monitor as an endoscope image to perform endoscopic examination or endoscopic diagnosis.

In the medical field, when performing a therapeutic treatment using a treatment tool while observing an endoscopic image, if it is possible to three-dimensionally observe the treatment part as in the case of the naked eye observation,
Treatability is greatly improved. For this reason, there has been proposed a stereoscopic endoscope apparatus in which an endoscope image of a treatment section captured by an endoscope can be stereoscopically viewed on a TV monitor via a solid-state imaging device.

Generally, when a solid-state imaging device is provided in an imaging device for an endoscope, for example, three or four screws or a protrusion of a screw of a position adjusting means constituted by a screw and a spring is adjusted. By adjusting the position in the horizontal and vertical directions by moving the solid-state imaging device vertically and horizontally, the center of the solid-state imaging device and the optical axis of the observation optical system of the endoscope are aligned. I was

For example, Japanese Patent Application Laid-Open No. 60-220670 discloses a solid-state imaging device mounting apparatus provided with an adjustment mechanism for moving the solid-state imaging device vertically and horizontally to adjust the position in the horizontal and vertical directions. I have.

[0007]

However, in the solid-state image pickup device mounting apparatus disclosed in Japanese Patent Application Laid-Open No. 60-220670, the position of the solid-state image pickup device in the horizontal and vertical directions can be adjusted. It was impossible to adjust the tilt, which is the direction of rotation of the observation optical system with respect to the optical axis.

[0008] When it is necessary to accurately determine the up direction of the endoscope image, particularly when this endoscope imaging device is used for a stereoscopic endoscope, a problem occurs in stereoscopic observation. was there.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and moves a solid-state imaging device in a horizontal direction, a vertical direction, and a rotation direction, and adjusts an optical axis of an observation optical system of an endoscope and a center position of the solid-state imaging device. It is an object of the present invention to provide an imaging device for an endoscope in which the image pickup device can be disposed at an arbitrary predetermined position.

[0010]

An imaging apparatus for an endoscope according to the present invention is an imaging apparatus for an endoscope provided with a solid-state imaging device for converting an optical image captured by an observation optical system of the endoscope into an electric signal. An apparatus, wherein the solid-state imaging device is provided with an imaging device arrangement position adjusting means for adjusting an arrangement position by moving the solid-state imaging device in a horizontal direction, a vertical direction, and a rotation direction with respect to an optical axis of an observation optical system of the endoscope. I have.

According to this configuration, the solid-state imaging device is moved in the horizontal, vertical, or rotational direction by using the imaging device arrangement position adjusting means, so that the center position of the solid-state imaging device and the observation optical system of the endoscope are adjusted. And the optical axis are arranged at an arbitrary predetermined position.

[0012]

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

FIGS. 1 to 3 relate to a first embodiment of the present invention. FIG. 1 is an explanatory view showing a schematic configuration of an endoscope system.
FIG. 2 is an explanatory diagram showing a configuration of an image pickup device arrangement position adjusting unit for adjusting the arrangement position of the solid-state image pickup device, and FIG.

As shown in FIG. 1, the endoscope system 10 includes:
An endoscope 1 for observing a subject 3 and an endoscope including a solid-state imaging device described later for imaging the subject 3 connectable to, for example, the eyepiece 2 of the endoscope 1 and including an imaging optical system. It mainly includes an imaging device 4 for use, a video processor 5 for converting an electric signal photoelectrically converted by a solid-state imaging device into a video signal, and a TV monitor 6 for displaying a video signal generated by the video processor 5.

The optical image of the subject 3 transmitted through the insertion section 1a of the endoscope 1 forms an image on a solid-state image pickup device in the endoscope image pickup device 4. The optical image of the subject 3 formed on the solid-state imaging device is converted into an electric signal, transmitted to the video processor 5 to generate a video signal, and the video signal is transmitted to the TV monitor 6 to be displayed on the screen 6a. Display an endoscope image.

As shown in FIG. 2, the endoscope imaging device 4
For example, a CCD 11 as a solid-state imaging device disposed inside
The mounting seat 12 is provided on the outer peripheral surface of the CCD 11. The mounting seat 12 is adhered and fixed by an adhesive such as an instant adhesive.

The CCD 11 is arranged to be housed in an imaging device housing member (hereinafter simply referred to as a housing member) 13. An adjusting screw 14, which is one of a plurality of screw members, serving as a plurality of pressing members serving as image pickup device arrangement position adjusting means for adjusting the arrangement position of the CCD 11, is provided on the housing member 13. Let me touch
Five are provided to be able to move forward and backward with respect to the storage member 13.

That is, as shown in the figure, the housing member 13 has five adjusting screws (hereinafter abbreviated as screws) 14a, 1
4b, 14c, 14d and 14e are screwed. The screw 14a and the screw 14b are disposed so that their central axes coincide with each other substantially at the central portion on the left side and the central portion on the right side of the storage member 13, respectively. The horizontal position can be adjusted.

For example, the screw 14a is moved inward of the storage member 13 so that the screw 14b is
The CCD 11 is moved rightward by moving the CCD 11 outward.

The screws 14c and 14d are
The screw 14 is parallel to the upper side of the storage member 13 and
c and the center axis of the screw 14d are the screw 14a and the screw 1
4b so as to be orthogonal to the central axis. The screw 14e is arranged at the center of the lower surface of the housing member 13 so that the center axis of the screw 14e is parallel to the center axes of the screws 14c and 14d. Thus, the CCD 11 can be moved in the vertical and tilt directions to perform vertical position adjustment and rotational direction position adjustment. The screw 14c and the screw 14
"d" is disposed symmetrically with respect to the center axis of the screw 14e.

For example, the screws 14c and 14d are moved inward of the storage
The CCD 11 is moved downward by moving the screw 14c to the outside of the storage member 13, and the screw 14c is moved to the outside of the storage member 13 to move the screw 14d and the screw 14e to the inside of the storage member 13. The movement causes the CCD 11 to rotate clockwise.

When the CCD 11 has sufficient strength, it is not necessary to provide the mounting seat 12 on the outer peripheral surface of the CCD 11.

Here, when the position of the CCD 11 arranged as shown in FIG. 3 in the storage member 13 is adjusted to the state shown in FIG. 2 by using the imaging device arrangement position adjusting means constructed as described above. The adjustment method of will be described. First, in the state shown in FIG. 3, the vertical and rotational positions are adjusted. Therefore, while the screw 14d is moved in the outer direction of the storage member 13, the screw 14c and the screw 14e are moved in the inner direction of the storage member 13, and the temporary positioning of the CCD 11 in the vertical direction and the rotation direction is performed.

Next, horizontal position adjustment is performed. Therefore, while the screw 14a is moved in the outer direction of the storage member 13, the screw 14b is moved in the inner direction of the storage member 13, and the temporary positioning of the CCD 11 in the horizontal direction is performed.

Next, the screws 14a, 14b, 14
c, 14d and 14e are finely adjusted,
The horizontal, vertical, and rotational directions are adjusted to position the CCD 11 in the storage member 13 as shown in FIG.

As described above, a simple configuration in which the positions of the two screws provided on the upper side surface of the image pickup device housing member for housing the CCD and the screws provided on the other side surface portions are moved forward and backward with respect to the housing member. Thus, the CCD can be freely moved in the horizontal direction, the vertical direction, or the rotation direction, and the center position of the solid-state imaging device with respect to the optical axis of the observation optical system of the endoscope can be arbitrarily set.

With this, when assembling the imaging device for an endoscope at the time of manufacture, adjustment, or the like, arbitrary positioning work between the optical axis of the observation optical system of the endoscope and the center position of the solid-state imaging device is performed. The solid-state imaging device is arranged at a predetermined position easily and accurately.

The structure of the image pickup device arrangement position adjusting means is not limited to the structure shown in the first embodiment, but may be as follows. The same members are denoted by the same reference numerals and description thereof is omitted.

Referring to FIG. 4, an image pickup device arrangement position adjusting means according to a second embodiment of the present invention will be described. As shown in the figure, in the present embodiment, instead of all of the plurality of pressing members of the image pickup device arrangement position adjusting means being composed of screws as shown in the first embodiment, screws for adjusting the horizontal position of the CCD 11 are used. One of 14a and 14b is a leaf spring which is an elastic member. That is, in this figure, the leaf spring 2 having a predetermined urging force is used instead of the screw 14b abutting on the CCD 11.
1 is provided so as to press a substantially central portion of the side surface of the CCD 11.

The position where the elastic member is disposed is not limited to the right side of the storage member 13. The leaf spring 21 is disposed on the left side and the screw 14b is disposed on the right side. You may. Further, the elastic member is not limited to a leaf spring, but may be a coil spring or the like.

As described above, by providing the elastic member for urging the CCD on one side of the image pickup device housing member for housing and disposing the CCD, it is easy to move the position of the screw provided on the other side only. With this configuration, the horizontal position of the CCD can be adjusted. Other functions and effects are described in the first section.
This is the same as the embodiment.

Referring to FIG. 5, a description will be given of an image pickup device arrangement position adjusting means according to a third embodiment of the present invention. As shown in the figure, in the present embodiment, a leaf spring 21 is provided in place of the screw 14e provided only on the lower side of the housing member 13 in order to adjust the position in the vertical and rotational directions.

As described above, the elastic member for urging the CCD is provided on the lower surface of the image pickup device housing member for housing and disposing the CCD, so that only the position of the two screws provided on the upper surface is moved forward and backward. The position of the CCD in the vertical and rotational directions can be adjusted with a simple configuration. Other functions and effects are the same as those of the first embodiment.

With reference to FIG. 6, an image pickup device arrangement position adjusting means according to a fourth embodiment of the present invention will be described. As shown in the figure, in the present embodiment, a leaf spring 21a is provided in place of the screw 14a provided on the opposed side surface of the storage member 13 for performing horizontal position adjustment, and the vertical and rotational directions are adjusted. A leaf spring 21b is provided in place of the screw 14e provided on the lower surface of the storage member 13 for adjusting the position.

As described above, an elastic member for urging the CCD is provided on one of the side surfaces of the imaging device housing member that houses the CCD, and the CCD is mounted on the lower surface of the imaging device housing member. By providing a biasing elastic member,
The horizontal position of the CCD can be adjusted by moving the position of the screw provided on the other side, and the vertical and rotation of the CCD can be adjusted by moving the position of the two screws provided on the upper side. Directional position adjustment can be performed. Other functions and effects are the same as those of the first embodiment.

Referring to FIG. 7, an image pickup device arrangement position adjusting means according to a fifth embodiment of the present invention will be described. As shown in the figure, in the present embodiment, two screws 14e and 14f are provided instead of providing only one screw 14e on the lower surface portion of the storage member 13 for performing the position adjustment in the vertical and rotational directions. I have. That is, six screws, which are pressing members, are provided. At this time, the center axis of the screw 14e and the center axis of the screw 14c substantially coincide with each other, and the center axis of the screw 14f and the screw 1e.
The central axis of 4d is substantially coincident with the center axis. That is, the screws are provided such that the center axes of the opposed screws substantially coincide with each other.

As described above, the two screws provided on the upper and lower side portions are provided by opposing the two screws provided on the upper side portion on the lower side portion of the image pickup device housing member for housing and disposing the CCD. The position of the CCD in the rotational direction can be adjusted with higher precision by moving the positions of the CCDs. Other functions and effects are the same as those of the first embodiment.

Referring to FIG. 8, a description will be given of an image pickup device arrangement position adjusting means according to a sixth embodiment of the present invention. As shown in the drawing, in this embodiment, two screws 14 provided on the lower side of the storage member 13 in the fifth embodiment shown in FIG.
e, 14f, a coil spring 22 is used as an elastic member.
a and 22b are provided. At this time, the coil spring 22
The central axis of a and the central axis of the screw 14c substantially coincide, and the central axis of the coil spring 22b and the central axis of the screw 14d substantially coincide. That is, the opposing coil springs coincide with the center axes of the screws.

In this embodiment, the storage member 13 is used.
The coil springs 22a and 22b are provided in place of the screws 14e and 14f provided on the lower side, but the coil springs 22 are provided instead of the screws 14c and 14d provided on the upper side.
a and 22b may be provided respectively.

As described above, by providing the two coil springs for urging the CCD so as to oppose the screws provided on one side surface of the imaging element housing member, the two coil springs provided on one side surface are provided. By moving the position of the screw back and forth, CC
The accuracy of position adjustment in the rotation direction of D can be further improved. Other functions and effects are the same as those of the first embodiment.

Referring to FIG. 9, a description will be given of an image pickup device arrangement position adjusting means according to a seventh embodiment of the present invention. As shown in the drawing, in the present embodiment, a coil spring 22c is provided in place of the screw 14b provided on the right side of the storage member 13 in addition to the sixth embodiment shown in FIG. At this time, the center axis of the coil spring 22c and the center axis of the screw 14a substantially coincide. That is, the central axes of the opposing coil springs and the central axes of the screws all match. In the present embodiment, the coil spring 22c is provided instead of the screw 14b on the right side of the storage member 13, but a coil spring 22c may be provided instead of the screw 14a on the left side.

As described above, the coil spring for urging the CCD is provided on one of the opposing side surfaces of the image pickup device housing member, and the screw for contacting the CCD is provided on the other of the side surfaces. Position adjustment can be performed by screws provided on one side surface, and position adjustment in the vertical and rotational directions of the CCD can be performed with high precision by two screws provided on one side surface. Other functions and effects are the same as those of the sixth embodiment.

An image pickup device arrangement position adjusting means according to an eighth embodiment of the present invention will be described with reference to FIG. As shown in the figure, in this embodiment, the CCD is a round CCD 23 having a substantially circular cross section. For this reason, as described in the above-described embodiment, it is impossible to provide the surface where the tip surfaces of the five or more pressing members provided on the storage member 13a come into contact with the round CCD 23. A mounting member 24 for contacting the distal end surface of the pressing member to the surface is provided by a fixing member such as an adhesive, and screws 14a, which are pressing members, are provided on the mounting seat 24 as in the first embodiment of FIG.
14 b, 14 c, 14 d, and 14 e are brought into contact with each other to adjust the horizontal, vertical, and rotational positions of the round CCD 23 covered by the mounting seat 24.

As described above, even in the case of a small solid-state image pickup device having a small area where the front end surface of the pressing member abuts, the mounting seat in which the front end surface of the pressing member abuts the outer peripheral surface of the solid-state imaging device. The position adjustment of the solid-state imaging device in the horizontal direction, the vertical direction, and the rotation direction can be performed by five or more pressing members. Other functions and effects are the same as those of the first embodiment.

It is to be noted that C comes into contact with the mounting
The pressing member for adjusting the position of the CD is not limited to the first embodiment, but is composed of a combination of a screw and a leaf spring or a combination of a screw and a coil spring as shown in the second to seventh embodiments. By doing so, the same operation and effect as in each embodiment can be obtained.

The image pickup device arrangement position adjusting means according to the ninth embodiment will be described with reference to FIGS. As shown in FIG. 11 and FIG. 12A, which is a cross-sectional view taken along the line AA in FIG. 11, a mounting seat 32 is provided around the solid-state imaging device 31 provided in the endoscope imaging device 30 with an adhesive or the like. It is attached by a fixing member.

The CCD 31 is accommodated in a substantially circular accommodating member 33, and is a pressing member movable with respect to the accommodating member 33, for example, adjusting screws 34a, 34b, 34c. The horizontal and vertical positioning adjustment can be performed by a leaf spring 34d as an elastic member.

Further, the housing member 33 and the tubular member 35 internally provided with a signal transmitting means for transmitting a signal from the CCD 31 are integrally solidified by, for example, four fixing screws 36 (FIG. 12A). (See Reference) The imaging unit 37 is configured.

The adjusting screw 3 is attached to the tubular member 35.
Four through holes 35 corresponding to the pressing members, respectively, so that the bolts 38 fixing the 4a, 34b, 34c and the leaf spring 34d can be adjusted from the outside.
a is provided, and a female screw portion 35b for a pin to which an adjustment pin 39 described later is screwed and female screw portions 35c for screwing two fixing screws 40 are provided.

The image pickup unit 37 is configured to be insertable into the outer frame 41. The outer frame 41 has an elongated pin 41a through which the adjustment pin 39 fixed to the tubular member 35 constituting the rotation adjusting mechanism and a fixing screw 40 for integrally fixing the outer frame 41 and the tubular member 35 are inserted. Is provided, and is rotatable within the range of the elongated hole 41a so that positioning adjustment in the rotation direction can be performed. That is, the four pressing members and the rotation adjusting mechanism constitute an image pickup device arrangement position adjusting unit.

The outer frame 41 is provided with the tubular member 3.
5 is a relief hole 41 corresponding to the through hole 35a formed in
b is formed. If the CCD 31 has sufficient strength, the mounting seat 32 need not be provided. Further, when an elastic member is provided as the pressing member, the tubular member 35 and the outer frame 41 do not need to be provided with the through hole 35a and the escape hole 41b. Also, the fixing screw 40
Is not limited to two, and the number of imaging units 3
It is only necessary that the 7 and the outer frame 41 can be securely fixed, and the quantity and position are appropriately set.

The operation of the image pickup device arrangement position adjusting means constructed as described above will be described. First, screw 34a and screw 3
4b is moved forward and backward with respect to the housing member 33, the screw protrusion amount is adjusted to adjust the horizontal position of the CCD 31, and the screw 34c is moved forward and backward with respect to the housing member 33 to adjust the vertical position of the CCD 31. .

Next, after holding the adjustment pin 39 fixed to the tubular member 35 and rotating the image pickup unit 37 to adjust the position in the rotation direction, the image pickup unit 37 is removed with two fixing screws 40. Temporarily fixed to the frame 41.

Next, the screws 34a, 34b, 34c
The fine adjustment in the horizontal direction and the vertical direction is performed by adjusting the height, and the fine adjustment in the rotation direction is performed by loosening the fixing screws 40, 40. Then, the imaging unit 37 is attached to the outer frame 41 with the two fixing screws 40. The positioning of the CCD 31 in the horizontal, vertical, and rotational directions is completed.

As described above, the position of the solid-state imaging device in the horizontal and vertical directions can be adjusted by the pressing member provided on the storage member constituting the imaging unit, and the imaging unit can be rotated with respect to the outer frame. Thus, position adjustment in the rotation direction can be performed. This allows
The positioning of the solid-state imaging device in the imaging unit in the horizontal, vertical, and rotational directions can be easily performed. Other functions and effects are the same as those of the first embodiment.

As shown in the present embodiment, as the pressing member provided in the image pickup element housing member, only one elastic member such as a leaf spring or a coil spring is used, and the rest is constituted by screws. Alternatively, all the pressing members may be formed of screws, or one of the two opposing pressing members may be formed of an elastic member, and the other may be formed of a screw.

As shown in FIG. 13, the head 39a of the adjusting screw 39 is formed to have a diameter larger than the width of the elongated hole 41a.
The adjustment screw 39 may have the function of the fixing screw 40. Thus, the same operation and effect as those of the ninth embodiment can be obtained. In this case, the number of the adjustment screws serving also as the fixed screw may be one or plural.

Referring to FIG. 14, an image pickup device arrangement position adjusting means according to a tenth embodiment of the present invention will be described. In this embodiment, the storage member 3 which is a separate member in the ninth embodiment
3 and the tubular member 35 are integrally formed to form the storage tubular member 45.
And The leaf spring 34d of the pressing member is integrally fixed to the housing tubular member 45 by an adhesive or a screw. Other configurations are the same as those of the ninth embodiment, and the same members are denoted by the same reference numerals and description thereof will be omitted.

As described above, by forming the housing tubular member in which the housing member and the tubular member are integrated, the operation of fixing the housing member and the tubular member with screws becomes unnecessary, and the number of parts is reduced. As a result, it is possible to contribute to a reduction in parts cost and assembly cost. Other functions and effects are the same as those of the above-described embodiment.

Japanese Patent Application Laid-Open No. H5-293078 discloses that the outer shield wire of a cable is sandwiched between two conductive members, and the tubular portion of one of the members through which the cable is inserted is deformed to fix the cable. The illustrated shield structure is shown. A drawback of this shield structure is that the cable is fixed by deforming the tubular portion of one member through which the cable is inserted, so that a tool for deforming the tubular portion during assembly is required. In addition, when replacing the cable, the member must be replaced with a member having a tubular portion that is not deformed. For this reason, there has been a demand for an endoscope imaging apparatus having a shield structure that is excellent in assemblability and has good exchangeability.

An example of the shield structure of the endoscope image pickup device will be described with reference to FIG. As shown in FIG. 15, the solid-state imaging device 51 in the imaging device for an endoscope 50 of the present embodiment includes an imaging device housing member 5 formed of a conductive metal member.
2

The retaining claw 5 is formed of a thin metal member having elasticity and conductivity.
3 are fixed at at least two places via fixing members such as screws 54.

The electric signal photoelectrically converted by the solid-state imaging device 51 is supplied to a board 55 having a drive circuit,
6 and the camera cable 57 to the controller 5.

The camera cable 57 includes a plurality of signal line groups 57a and a shield line 57b covering the signal line groups 57a.
And a jacket (not shown) that covers the shield wire 57b.

The camera cable 57 passes through a first base member 61 and a second base member 62 having conductivity, and the shield wire 57 b is connected to the first base member 6.
The first base member 61 and the second base member 62 are integrally fixed with fixing screws 63 in a state of being held between the first and second base members 62.

On the other hand, a shield member 65 having conductivity and having a locking hole 65a into which the locking claw 53 is engaged is fixed to the first base member 61 with screws (not shown). .

For this reason, the shield member 65 is connected to the substrate 5
5, the solid-state imaging element 51, the board 55, the connector 56, and the signal line group 57a are electrically connected by moving the locking claw 53 into the locking hole 65a from the hand side of the solid-state imaging element 51. Storage member 52, locking claw 53, shield member 65, first base member 61, shield wire 57
b to completely cover the structure.

As described above, the solid-state imaging device 51,
The board 55, the connector 56, and the signal line group 57a can be covered and shielded. As a result, the assembling workability is greatly improved. Further, at the time of repair, all members can be reused, and repair workability is greatly improved.

Referring to FIG. 16, another example of the shield structure of the endoscope imaging apparatus will be described. In the present embodiment, a connector frame 70 having conductivity is provided outside the connection connector 56, and the connector frame 70 and the shield member 65 are fixed with fixing screws 71. Then, the receptacle 72
Thereafter, a shield structure is used in advance. The other configuration is the same as the configuration of the endoscope imaging apparatus shown in FIG. 15, and the same members are denoted by the same reference numerals and description thereof will be omitted.

According to this configuration, the solid-state imaging device 51, the board 55 and the connector 56 are connected to the conductive storage member 52,
The shield is completely covered with the locking claw 53, the shield member 65, and the connector frame 70, and can be reliably shielded.

The shield structure is not necessarily
It is not necessary to have a position adjusting means for the solid-state imaging device.

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

[Appendix] According to the above-described embodiment of the present invention, the following configuration can be obtained.

(1) In an imaging apparatus for an endoscope provided with a solid-state imaging device for converting an optical image captured by an observation optical system of the endoscope into an electric signal, the solid-state imaging device is connected to the endoscope. An imaging device for an endoscope provided with an imaging element arrangement position adjusting means for adjusting an arrangement position by moving the observation optical system in a horizontal direction, a vertical direction, and a rotation direction with respect to an optical axis.

(2) The image pickup device arrangement position adjusting means includes:
The imaging device for an endoscope according to claim 1, wherein the imaging device includes five or more pressing members for pressing the solid-state imaging device.

(3) The imaging device for an endoscope according to appendix 2, wherein when the central axis of the pressing member is extended, at least one central axis does not pass through the central point of the solid-state imaging device.

(4) The imaging device for an endoscope according to attachment 1, wherein the pressing member is a screw member.

(5) The imaging device for an endoscope according to appendix 1, wherein the pressing member is a combination of a screw member and an elastic member.

(6) The imaging device for an endoscope according to appendix 5, wherein when the pressing member pressing one surface of the solid-state imaging device is an elastic member, the pressing member pressing the opposing surface is a screw member.

(7) An imaging unit having a solid-state imaging device for converting an optical image captured by the observation optical system of the endoscope into an electric signal, wherein the solid-state imaging device is moved with respect to the optical axis of the observation optical system. In an imaging device for an endoscope having an image pickup device arrangement position adjusting means that can be adjusted in a vertical direction, a horizontal direction, and a rotation direction, the image pickup device arrangement position adjustment means is arranged so that the image pickup device arrangement position adjustment means is arranged in a vertical direction and a horizontal direction toward the center of the solid-state image sensor An imaging device for an endoscope, comprising: a pressing member for performing the adjustment of the above; and a rotation adjusting mechanism for rotating and adjusting an imaging unit including the pressing member and the solid-state imaging device.

(8) The imaging device for an endoscope according to attachment 7, wherein the pressing member is a screw.

(9) The imaging device for an endoscope according to appendix 7, wherein the pressing member is a combination of a screw and an elastic member.

(10) In an endoscope imaging apparatus having a solid-state imaging device for capturing an endoscope image, a solid-state imaging device,
An endoscope comprising a shield member having a locking hole for covering a substrate and a connector, and a conductive locking claw disposed in the conductive storage member and engaged with the locking hole of the shield member. Imaging device.

(11) The imaging device for an endoscope according to appendix 10, wherein the locking hole and the locking claw are provided at two or more places.

[0085]

As described above, according to the present invention, the solid-state imaging device is moved in the horizontal, vertical, and rotational directions, and the optical axis of the observation optical system of the endoscope and the center position of the solid-state imaging device are adjusted. Can be provided at an arbitrary predetermined position.

[Brief description of the drawings]

FIGS. 1 to 3 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory diagram showing a schematic configuration of an endoscope system.

FIG. 2 is an explanatory diagram illustrating a configuration of an image pickup device arrangement position adjusting unit that adjusts an arrangement position of a solid-state image pickup device.

FIG. 3 is a diagram showing the operation of an image pickup device arrangement position adjusting unit.

FIG. 4 is a diagram illustrating an image pickup device arrangement position adjusting unit according to a second embodiment of the present invention.

FIG. 5 is a view for explaining an image pickup device arrangement position adjusting unit according to a third embodiment of the present invention.

FIG. 6 is a diagram illustrating an image pickup device arrangement position adjusting unit according to a fourth embodiment of the present invention.

FIG. 7 is a view for explaining an image pickup device arrangement position adjusting means according to a fifth embodiment of the present invention.

FIG. 8 is a view for explaining an image pickup device arrangement position adjusting means according to a sixth embodiment of the present invention.

FIG. 9 is a view for explaining an image pickup device arrangement position adjusting means according to a seventh embodiment of the present invention.

FIG. 10 is a view for explaining an image pickup device arrangement position adjusting unit according to an eighth embodiment of the present invention.

11 and 12 relate to a ninth embodiment of the present invention, and FIG. 11 is a view for explaining a schematic configuration of an image pickup device arrangement position adjusting means;

FIG. 12 is a cross-sectional view illustrating a schematic configuration of an image sensor arrangement position adjusting unit in FIG. 11;

FIG. 13 is an explanatory diagram showing another configuration of the adjusting screw.

FIG. 14 is a view for explaining an image pickup device arrangement position adjusting unit according to a tenth embodiment of the present invention.

FIG. 15 is a diagram illustrating an example of a shield structure of the endoscope imaging apparatus.

FIG. 16 is a view for explaining another example of the shield structure of the endoscope imaging apparatus.

[Explanation of symbols]

 11 ... CCD 13 ... Imaging element housing member 14 ... Adjustment screw (Imaging element arrangement position adjusting means)

Claims (1)

[Claims] 1. An endoscope imaging apparatus provided with a solid-state imaging device for converting an optical image captured by an observation optical system of an endoscope into an electric signal, wherein the solid-state imaging device is used for observation of the endoscope. An imaging device for an endoscope, comprising: an imaging element arrangement position adjusting means for adjusting an arrangement position by moving the optical system in a horizontal direction, a vertical direction, and a rotation direction with respect to an optical axis of an optical system.