JPH0695010A - Film information reproducing device for endoscope photograph - Google Patents

Abstract

PURPOSE:To simultaneously display an endoscopic image and information related to the endoscopic image so as to improve the accuracy of diagnosis. CONSTITUTION:The endoscopic image is formed in a photosensitive area on a positive film 6, and the information related to the endoscopic image is recorded in a magnetic recording area. The magnetic recording area is traced by a reproducing head and magnetic information is read out. When the information such as the name of a patient is inputted as retrieval information from a keyboard part 8, the name of the patient is extracted from reproduced output from the reproducing head, and a frame coincident with the retrieval information is retrieved. Thus, the endoscopic image of the patient specified by the retrieval information is projected on a display part 5, and information on the patient is displayed so as to improve the accuracy of diagnosis.

Description

Detailed Description of the Invention

[Object of the Invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope for optically recording an endoscopic image and reproducing the optical image and the magnetic information from a film on which information related to the endoscopic image is magnetically recorded. The present invention relates to a photographic film information reproducing apparatus.

[0002]

2. Description of the Related Art In recent years, an endoscope provided with an optical observation means at the tip of an elongated insertion portion has been widely used not only in the medical field but also in the industrial field. When observing the inside of a body cavity using an endoscope, a camera is generally worn,
A method of taking a picture with this camera and projecting the taken film for diagnosis may be adopted.

[0003]

However, since only the endoscopic image is photographed on this film, when the other information is needed, the medical chart or the like is viewed.

However, for example, when a large number of patients are diagnosed from endoscopic images, there is a possibility that the medical record information corresponding to the endoscopic images actually projected may be erroneous. May be misdiagnosed. Therefore, improvement is desired so that such a situation can be reliably prevented.

The present invention has been made in view of the above-mentioned points, and it is possible to obtain the information other than the endoscopic image from the film for photographing the endoscopic image, thereby improving the accuracy of diagnosis. It is intended to provide a film information reproducing apparatus.

[Constitution of Invention]

A film information reproducing apparatus for endoscopic photography according to the present invention comprises a camera having a photosensitive area and a magnetic recording area for recording an optical image obtained by the endoscope, and a magnetic recording means. A magnetic information reproducing means for reading and reproducing information related to the endoscopic image from a film in which an endoscopic image is formed in the photosensitive area and information related to the endoscopic image is recorded in the magnetic recording area by the film. And presenting means for presenting an image based on the endoscopic image formed on the film and presenting information based on the reproduction output of the magnetic information reproducing means.

[0007]

In the present invention, the information recorded in the magnetic recording area of the film is reproduced by the magnetic information reproducing means. The presenting means projects, for example, the endoscopic image formed on the photosensitive area of the film, and displays, for example, characters based on the reproduction output from the magnetic information reproducing means. This allows
The endoscopic image and the information related thereto can be obtained at the same time, and the accuracy of diagnosis is improved.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 relate to a first embodiment of the present invention, FIG. 1 is a perspective view showing an embodiment of a film information reproducing apparatus for an endoscopic photograph of the first embodiment, and FIG. 2 is a positive film. It is a front view which shows a part, FIG. 3 is a perspective view which shows a reproduction | regeneration part, FIG. 4 is explanatory drawing which shows the film feed mechanism 52, and FIG. 5 is explanatory drawing which shows another example of a projection part. , Fig. 6
6 is a perspective view showing a film holder portion in FIG. 5,
FIG. 7 is a perspective view showing the film holder of FIG. 6 in a cutaway manner.

As shown in FIG. 1, the film information reproducing apparatus 1 for endoscopic photography of the first embodiment is provided with a display section 5 composed of a screen 3 and a liquid crystal panel 4 on the front surface of a housing 2. An insertion opening 7 for inserting the positive film 6 after development is provided at the upper end. A keyboard portion 8 whose operation surface faces upward is provided at the lower front portion of the housing 2. Various keys 9 for inputting search information such as a photo number and a patient name, and a frame advance key for instructing frame advance are arranged on the keyboard unit 8, and a signal based on the key operation is not shown. It is given to the department. A projection image of the positive film 6 is displayed on the screen 3 of the display unit 5, and character information related to the projection image is displayed on the liquid crystal panel 4.

In this embodiment, the positive film 6 shown in FIG. 2 is used. The positive film 6 is, for example, loaded in a camera attached to an eyepiece part of an optical endoscope, developed and fixed after photographing, and has an optical image recording area ( A photosensitive area) 10 is formed, and on one side thereof is shown the beginning and end of the photosensitive area 10 for one frame, and a perforation 11 used for winding and rewinding is formed. A magnetic recording region 12 is formed further outside the formation 11.

An endoscopic image of a patient, for example, is formed in the photosensitive area 10, and various information relating to the endoscopic image formed in the photosensitive area 10 is recorded in the magnetic recording area 12. The information recorded in the magnetic recording area 12 includes, for example, patient name, sex, date of birth, ID (reception number), doctor name, finding, site, body map, examination ID, scope type, film sensitivity and exposure. There is a set value, etc.

As shown in FIG. 3, the reproducing section 21 presses the positive film 6 by a pair of film feed rollers 42 and conveys it by one frame at a time. 5 is displayed on the screen 3.

That is, the white light from the lamp 25 is condensed by the condenser lens 26, and the condenser lens 26
Is irradiated to one frame of the endoscopic image 22 facing the position opposite to, and the transmitted light is projected onto the screen 3 by the projection lens system 27 arranged on the optical axis of the condenser lens 26, and the endoscopic image 22 A projected enlarged image is displayed.

Condenser lens 26 and projection lens system 27
A reproducing head 31 is arranged to reproduce the recorded information in the magnetic recording area 12 adjacent to the endoscopic image 22 of one frame set between and. The reproducing head 31 is attached to an arm 33 extending from a movable rack 32.

The rack 32 is arranged in the axial direction of the guide rod 34,
That is, the positive film 6 can be moved in a direction parallel to the frame-feeding direction, and the stepping motor 35 rotates to mesh with the pinion gear 36 attached to the rotating shaft to move the rack 32, which causes the arm 32 to move. 33
The reproducing head 31 attached to scans the magnetic recording area 12 for one frame, reads the information for this one frame,
It outputs to the reproduction circuit 38. The reproducing circuit 38 demodulates the information input by a character generator or the like (not shown) from the read signal, outputs the demodulated information to the liquid crystal panel 4 of the display unit 5, and displays the demodulated information.

When the frame advance key of the keyboard section 8 in FIG. 1 is operated, the positive film 6 is moved by the frame advance mechanism 41.
Move frame by frame. In this frame feed mechanism 41, one of a pair of film feed rollers 42, 42 is rotationally driven by a motor 43. That is, the gear 44 attached to the shaft of the roller 42
Rotates by meshing with a gear 45 attached to the rotary shaft of the motor 43, and the positive film 6 pressed by the pair of film feed rollers 42, 42 moves one frame to the right. By this movement, the endoscope image 22 of the next one frame is projected on the display unit 5, and the projection enlarged image is displayed.

Film feed roller 4 of frame feed mechanism 41
2, 42, as shown in FIG.
A film feed mechanism 52 is also configured together with 1, 51. The film feed mechanism 52 is provided for film demodulation 53 for storing a plurality of positive films 6 cut into lengths of several frames, film feed rollers 42, 51, and demodulation of the magnetic recording area 12 or projection of the endoscopic image 22. Finished positive film 6
Is constituted by a guide 54 for conveying the film to the film storage 53. The film feed roller 42 of the film feed mechanism 52 is driven by a motor 43 to rotate.

In the present embodiment, the motor 43 is rotationally controlled on the basis of the above-described frame feed operation, and is also controlled by the coincidence detection circuit 55. That is, by designating the prosecution condition by operating the key 9 of the keyboard unit 8, the frame on which the desired endoscopic image 22 of the film 6 is formed can be selected. That is, the signal based on the operation of the key 9 is input to the search condition processing circuit 57. The prosecution condition processing circuit 57 outputs a search signal according to the type of search condition, for example, the type of photo number, patient name, ID, etc., to the match detection circuit 55. On the other hand, the information reproduced by the reproducing head 31 from the magnetic recording area 12 is given to the demodulation circuit 56. Demodulation circuit 56
Demodulates the reproduced signal and outputs it to the coincidence detection circuit 55. The coincidence detection circuit 55 drives the motor 43 to convey the film 6, and outputs a signal for stopping the motor 43 when the search signal and the search information included in the demodulation output match. Has become.

Next, the operation of the first embodiment thus constructed will be described.

Now, it is assumed that a camera is attached to the endoscope, a photograph is taken inside the body cavity of the patient, and the photographed film is projected for diagnosis. The operator has developed positive film 6
Is inserted from the insertion opening 7. The positive film 6 is stored in the film storage 53 shown in FIG. Next, the positive film 6 is transferred to the film feed roller 51.
And is set between the condenser lens 26 and the projection lens system 27 of FIG. As a result, the light from the condenser lens 26 is projected on one predetermined frame,
The endoscopic image 22 formed in one frame is projected on the screen 3 of the display unit 5 via the projection lens system 27.

On the other hand, by rotating the stepping motor 35 to rotate the pinion gear 36, the rack 32
Moves in the direction opposite to the transport direction of the positive film 6, and the reproducing head 31 attached to the arm 33 moves the positive film 6
Of magnetic recording area 12 while sliding. That is, the magnetic recording area 12 corresponding to the projected frame is traced by the reproducing head 31 and reproduced. The reproduction signal from the reproduction head 31 is given to the reproduction circuit 38, demodulated, and supplied to the liquid crystal panel 4. The liquid crystal panel 4 displays reproduction information. The operator makes a diagnosis while viewing various information related to the endoscopic image of the patient projected on the display unit 5 and the endoscopic image displayed on the liquid crystal panel 4.

Next, it is assumed that the frame advance key of the keyboard section 8 is operated. Then, the motor 43 rotates to rotate the film feed roller 42. As a result, the positive film 6 is conveyed by one frame, the endoscopic image of the next frame is projected, and various information related to the endoscopic image is displayed.

Here, it is assumed that the key 9 of the keyboard unit 8 is operated to specify, for example, the patient name. The signal based on the key operation is given to the search condition processing circuit 57 to be processed, and the search signal according to the patient name is given to the match detection circuit 55. On the other hand, the motor 43 drives the film feed roller 42.
Is rotated to sequentially convey the positive film 6. As a result, the reproducing head 31 continuously traces the magnetic recording area 12. The reproduction signal from the reproduction head 31 is demodulated by the demodulation circuit 5.
6 are sequentially demodulated, and the demodulated output is the coincidence detection circuit 55.
Given to. The coincidence detection circuit 55 sequentially extracts the patient name information from the demodulated output, and when it coincides with the patient name information indicated by the search signal, the coincidence signal is output to the motor 43.
To stop the rotation of the motor 43. As a result, the frame on which the endoscopic image of the patient designated by the key operation is formed stops at the position facing the condenser lens 26, and the endoscopic image is projected on the screen 3 of the display unit 5 and is displayed on the liquid crystal panel 4. Will display information for this patient.

The reproduced positive film 6 is guided by the guide 54 and stored in the film storage 53, and the positive film 6 stored in the film storage 53 is conveyed by the film feed rollers 51 and 42. The reproduction of the magnetic recording area 12 is continuously performed.

As described above, in the present embodiment, the endoscopic image formed on the positive film is projected, and various information related to the endoscopic image is reproduced from the magnetic recording area and displayed on the display unit. As a result, it is possible to reliably prevent accidental use of the chart information of another patient, and to make a reliable diagnosis. Furthermore, by inputting search information, a desired endoscopic image and information related thereto can be displayed, and operability can be significantly improved.

5 to 7 show another example of the projection unit.

The projector 61 shown in FIG. 5 has a film holder 62 which holds the positive film 6 by pressure and a reproducing head 63 which reproduces information recorded in the magnetic recording area of the positive film 6. The light from the lamp 64 of the projector 61 is condensed by the reflector 65 and emitted to the condenser lens 66. The condenser lens 66 collimates the incident light and irradiates it from the back surface of the positive film 6 held by the film holder 62. As a result, light based on the endoscopic image formed on the positive film 6 is imaged on the screen 3 via the projection lenses 67 and 68 provided on the front surface of the positive film 6.

As shown in FIGS. 6 and 7, the film holder 62 has an opening on the front surface and the back surface so that the light from the back surface is applied to the positive film 6 and the light based on the endoscopic image can be emitted from the front surface. Has become. Film holder 6
Reference numeral 2 also has openings on the left and right sides, and by inserting the positive film 6 into this opening, the photosensitive area 10 (broken line portion in FIG. 6) is set at a position corresponding to the front and back openings. Has become. Further, inside the film holder 62, a pressure plate 69 is provided, the end of which abuts against the inner wall on the back side and presses the positive film 6 against the inner wall on the front side in a relatively wide central area. The pressure plate 69 presses the positive film 6 against the inner wall on the front surface side of the film holder 62, so that the deflection of the photosensitive region 10 in the film holder 62 is prevented and the distortion of the projected image is prevented.

The reproducing head 63 is arranged at the left and right ends of the film holder 62. As shown in FIG. 7, an opening 70 is provided on the front side of the left and right ends of the upper portion of the film holder 62, and a head base 71 attached to the lower end of the reproducing head 63 through the opening 70. Is penetrated into the film holder 62,
A reading unit 72 fixed to the tip of the head base 71 can come into contact with the positive film 6. In this case, since the positive film 6 is pressed against the inner wall on the front surface side of the film holder 62 by the pressure plate 69, the reading section 72 is always in close contact with the magnetic recording area 12 (hatched portion) of the positive film 6 to ensure reliable reproduction. It is possible.

In the embodiment constructed as described above,
At the same time that the positive film 6 is advanced frame by frame,
The information recorded in the magnetic recording area 12 is read by 3 to obtain the information related to the endoscopic image to be projected. That is, information can be reproduced without moving the reproducing head 63. Further, the pressure plate 69 can prevent the distortion of the projected image and can reliably reproduce the magnetic recording information.

FIGS. 8 and 9 relate to the second embodiment of the present invention, FIG. 8 is an explanatory view showing a film information reproducing apparatus for an endoscopic photograph according to the second embodiment, and FIG. 9 is an explanation showing a print example. It is a figure.

The light from the light source 80, which is composed of the lamp 81 and the condenser lens 82 for condensing the light from the lamp 81, is applied to the negative film 83 supported by the negative holder (not shown). There is. The negative film 83 has a photosensitive area 84 formed at the center thereof.
4 are formed on both sides of the magnetic recording area 8 and the magnetic recording area 8 is formed on the outer side of one of the perforations 85.
6 (hatched portion) is formed in the longitudinal direction. Photosensitive area 8
4 has an endoscopic image 87 formed thereon, for example. The light from the condenser lens 82 is irradiated to one frame of the negative film 83, and the light transmitted through the negative film 83 enters the light projecting lens 88 and is arranged at the image forming position of the projection lens 88. An image is formed on the printed printing paper 89. By this exposure, a latent image 93 corresponding to the endoscopic image 87 is formed on the photographic printing paper 89.

On the other hand, the magnetic recording area 8 of the negative film 83
A magnetic information reading device 90 is provided at a position opposite to 6. The magnetic information reading device 90 reads the magnetic information recorded in the magnetic recording area 86 corresponding to the endoscopic image 87, converts it into character information, and outputs it to the printing device 91. The printing apparatus 91 has, for example, an ink jet type head 92, and the head 92 is provided at a printable position on the back surface of the photographic printing paper 89 that has been exposed.
The printing device 91 controls the head 92 based on the input character information and prints a character according to the character information on the photographic paper 89.
It is designed to be printed on the back side of.

In the embodiment thus constructed,
As shown in FIG. 9, optical information 95 based on the endoscopic image 87 is printed on the front surface of the photograph 94 obtained by developing and fixing the printing paper 89, and characters 96 based on the magnetic information are printed on the back surface. It

In this embodiment, an endoscopic image can be printed on the front side of the photograph and various information related to the endoscopic image can be printed on the back side of the photograph, so that the photograph can be easily managed and the photograph can be easily managed. The accuracy of diagnosis using is improved.

In the present embodiment, the printing based on the magnetic information is performed on the back side of the photographic paper, but the printing may be performed on the front side of the photographic paper so as to overlap the optical information.

[0037]

As described above, according to the present invention, it is possible to obtain the information other than the endoscopic image from the film for photographing the endoscopic image, thereby improving the accuracy of diagnosis.

[Brief description of drawings]

FIG. 1 is a perspective view showing a film information reproducing apparatus for endoscopic photography according to a first embodiment of the present invention.

FIG. 2 is a front view showing a positive film used in the first embodiment.

FIG. 3 is a perspective view showing a reproducing unit of the first embodiment.

FIG. 4 is an explanatory view showing a film feeding mechanism of the first embodiment.

FIG. 5 is an explanatory diagram showing another example of a projection unit.

FIG. 6 is a perspective view showing a film holder portion of FIG.

FIG. 7 is a perspective view showing the film holder of FIG. 6 in a cutaway manner.

FIG. 8 is a perspective view showing a second embodiment.

FIG. 9 is an explanatory diagram showing a print example of the second embodiment.

[Explanation of symbols]

1 ... Endoscopic film information reproducing apparatus, 5 ... Display unit,
6 ... Positive film, 8 ... Keyboard part

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] April 5, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0012

[Correction method] Change

[Correction content]

As shown in FIG. 3, the reproducing unit 21 presses and holds the positive film 6 by a pair of film feed rollers 42 and 42 to convey the positive film 6 one frame at a time.
The projected magnified image 2 is displayed on the screen 3 of the display unit 5.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction content]

In the present embodiment, the motor 43 is rotationally controlled on the basis of the above-described frame feed operation, and is also controlled by the coincidence detection circuit 55. That is, by designating the search condition by operating the key 9 of the keyboard unit 8, the frame on which the desired endoscopic image 22 of the film 6 is formed can be selected. That is, the signal based on the operation of the key 9 is input to the search condition processing circuit 57. The search condition processing circuit 57 outputs a search signal corresponding to the type of search condition, for example, the type of photo number, patient name, ID, etc., to the match detection circuit 55. On the other hand, the information reproduced by the reproducing head 31 from the magnetic recording area 12 is given to the demodulation circuit 56. Demodulation circuit 56
Demodulates the reproduced signal and outputs it to the coincidence detection circuit 55. The coincidence detection circuit 55 drives the motor 43 to convey the film 6, and outputs a signal for stopping the motor 43 when the search signal and the search information included in the demodulation output match. Has become.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction content]

Now, it is assumed that a camera is attached to the endoscope, a photograph is taken inside the body cavity of the patient, and the photographed film is projected for diagnosis. The operator has developed positive film 6
Is inserted from the insertion opening 7. The positive film 6 is stored in the film storage 53 shown in FIG. Next, the positive film 6 is transferred to the film feed roller 51.
And is set between the condenser lens 26 and the projection lens system 27 of FIG. As a result, the light from the condenser lens 26 is projected onto one predetermined frame,
The endoscopic image 22 formed in one frame is projected on the screen 3 of the display unit 5 via the projection lens system 27.

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0032

[Correction method] Change

[Correction content]

The light from the light source 80, which is composed of the lamp 81 and the condenser lens 82 for condensing the light from the lamp 81, is applied to the negative film 83 supported by the negative holder (not shown). There is. The negative film 83 has a photosensitive area 84 formed at the center thereof.
4 are formed on both sides of the magnetic recording area 8 and the magnetic recording area 8
6 (hatched portion) is formed in the longitudinal direction. Photosensitive area 8
4 has an endoscopic image 87 formed thereon, for example. The light from the condenser lens 82 is adapted to be emitted to one frame of the negative film 83, and the light transmitted through the negative film 83 is incident on the light projecting lens 88 and is formed on the image forming position of the light projecting lens 88. An image is formed on the photographic paper 89 arranged. By this exposure, a latent image 93 corresponding to the endoscopic image 87 is formed on the photographic printing paper 89.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Tadashi Abe 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Inventor Nobuhiko Washizuka 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Ichiro Takahashi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Masami Fukuchi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Inventor Tadayoshi Hara 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Hideki Koyanagi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Takeaki Nakamura 2-34-2 Hatagaya, Shibuya-ku, Tokyo Olympus The Optical Industry Co., Ltd. (72) inventor Yoshimi Koda Tsukasa, Shibuya-ku, Tokyo Hatagaya 2-chome No. 43 No. 2 Olympus Optical Industry Co., Ltd. in

Claims (1)

[Claims] 1. An endoscopic image is formed in the photosensitive area by a camera having a photosensitive area and a magnetic recording area for recording an optical image obtained by an endoscope and a magnetic recording means, and is related to the endoscopic image. From the film in which the information recorded in the magnetic recording area, magnetic information reproducing means for reading and reproducing information related to the endoscopic image, and presenting an image based on the endoscopic image formed on the film, A film information reproducing apparatus for an endoscopic photograph, comprising: a presentation unit that presents information based on the reproduction output of the magnetic information reproducing unit.