JPH0870450A - Video processor for endoscope - Google Patents

Abstract

PURPOSE: To realize a video processor for an endoscope, which is easy to know a specified part and position in an endoscope image corresponding to a comment. CONSTITUTION: The video processor for a master scope to which an electronic scope is connected signal-processes to CCD. on the other hand, a keyboard is connected to this video processor for a master scope to input character data such as the comment to display patient's data through CPU and an image process circuit, etc. Furthermore, a track ball and a function key provided for this keyboard are operated to display an indication frame 36 surrounding a lesion part 38 to make the affected part 38 easy to know by means of this indication frame 36.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscopic video processor for displaying an endoscopic image on a display screen of a monitor.

[0002]

2. Description of the Related Art A conventional endoscope apparatus displays an endoscopic image 29a obtained by an endoscope and patient data 29c regarding a patient on a display screen of one monitor as shown in FIG. 3 (a). ing. In addition, in the conventional endoscope apparatus, it becomes possible to input a comment regarding the endoscopic image 29a into an area outside the endoscopic image as shown in FIG. 4 (a). There is something.

[0003]

However, for example, as shown in FIG.
As shown in (a), when the comment is displayed outside the display of the endoscopic image, when the user wants to add a comment to a specific part of the endoscopic image, the instruction frame is not displayed in the specific part for the comment. There is a problem that the specific part is difficult to understand.

The present invention has been made in view of the above points, and an object thereof is to provide an endoscopic video processor in which a specific portion of an endoscopic image corresponding to a comment can be easily understood.

[0005]

In an endoscopic video processor for displaying an endoscopic image on a display screen of a monitor means, an instruction frame for displaying on the display screen an instruction frame surrounding a specific portion within the display screen. Display means, an instruction frame display position input means for inputting a display position of the instruction frame displayed on the display screen, and a character such as a comment at a position related to the display position of the instruction frame displayed on the display screen. By providing the character data input means for inputting the character data in order to display the data, it becomes easy to understand the specific part such as a lesion part corresponding to the comment or the like from the display position of the instruction frame.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below with reference to the drawings. 1 to 5 relate to a first embodiment of the present invention, FIG. 1 shows an overall configuration including the first embodiment, FIG. 2 shows a configuration of an apparatus on a parent scope side, and FIG. Shows a display example on the monitor, and FIGS. 4 and 5 show display examples on the monitor when only the parent scope is used.

As shown in FIG. 1, an electronic endoscope apparatus 1 having the first embodiment has an electronic scope 2a as a parent scope and a child scope inserted in a channel of the electronic scope 2a. A fiberscope 2b and a TV camera 3 attached to the fiberscope 2b,
A first light source 4a and a second light source 4b for supplying illumination light to the scopes 2a and 2b, parent scope and child scope video processors 5a and 5b, and a monitor connected to the parent scope video processor 5a. 6 and 6.

FIG. 2 shows a specific structure of the electronic endoscope device portion on the parent scope side. In FIG. 2, the electronic scope 2a has an elongated insertion portion 8a, an operation portion 9a is provided at the rear end of the insertion portion 8a, and a universal cable 11a extends from the side portion of the operation portion 9a. The connector 12a attached to the tip of the cable 11a can be connected to the light source 4a. A signal cable 13a extends from the side portion of the connector 12a, and the signal cable 13a
The connector 14a attached to the tip of the can be connected to the parent scope video processor 5a.

The light guide 1 is provided in the insertion portion 8a and the like.
5a is inserted, and by connecting the connector 12a to the light source 4a, the illumination light of the lamp 16a is converted into a parallel light flux by the lens 17a, and is passed through the rotary filter 19a that is rotationally driven by the motor 18a, and the R, G, B surfaces The lights are turned on,
Further, the light is collected by the lens 21a and is guided by the light guide 15.
is supplied to a. The light is transmitted by the light guide 15a, emitted forward from the end face on the tip end side, and illuminates an affected area or the like in the living body 22. An illuminated object such as a diseased part is imaged on a CCD 24a disposed on the focal plane of the objective lens 23a attached to the distal end, and photoelectrically converted by the CCD 24a.

The CCD 24a is a video processor 5
A drive signal for signal reading is received from the image processing unit 25 in a and the photoelectrically converted electric signal is output to the image processing unit 25. In the image processing unit 25, the sent electric signal is converted into a video signal, which is temporarily written in the image memory 26 or is output through. This image memory 2
The output of 6 is output to the monitor 6 via the mixer 27.

The mixer 27 mixes the video signal from the child scope video processor 5b input from the external input terminal 28 with the video signal output from the image memory 26 and outputs the mixed signal to the monitor 6, as shown in FIG. b) or two endoscopic images 29a and 29b are simultaneously displayed as shown in FIG.

Here, the endoscopic image 29a is the electronic scope 2
The other endoscopic image 29b is an image of the child scope. Therefore, in the case of only the electronic scope 2a, only one image 29a is displayed as shown in FIG. Patient data 29c is displayed on the left side (upper side in FIG. 3C) of this image 29a. Normally, it is displayed as shown in FIG. 3B, but by providing a switching means (not shown), the parent scope image 29a and the child scope image as shown in FIG. The image 29b is switched to enable enlarged observation.

The patient data 29c is recorded on the keyboard 31.
The data input by the keyboard 31 can be processed by the CPU 3 via the keyboard I / F 32, which controls the setting and processing of the video processor 5a.
3 and the image processing unit 25 superimposes the patient data on the video signal. The image memory unit 26 is configured to pass the video signal from the image processing unit 25 as it is or to temporarily hold it and repeatedly output it as a still image according to the control signal from the CPU 33. Is output to the monitor 6 via the mixer 27.

Further, the keyboard 31 has a function key 34 for sending a special code in addition to the character data,
A trackball 35 is provided which sends coordinate data by a rotating ball. The special code and coordinate data are also sent to the CPU 33 via the keyboard I / F 32.

In the CPU 33, when the coordinate data is updated from the held data, that is, when the trackball 35 is moved by the user, the endoscopic image 29a of FIG. 4A is shown in FIG. 4B. The image processing unit 25 is controlled so as to display the instruction frame 36 and the cursor 37 as described above.
Since the instruction frame 36 moves in association with the trackball 35, the user moves the instruction frame 36 to a position surrounding the lesion 38 as shown in FIG. After moving, for example, Fig. 4 (d)
Comments such as that shown in FIG. In addition, the instruction frame 36 has the function key 3 depending on the size of the lesioned portion 38 as shown in FIGS.
The size can be changed by 4. The instruction frame 36 can be enlarged or reduced by operating the function keys 34.

By the method as shown in FIG. 4 or FIG. 5, the user wants to add a comment by enclosing a specific portion of the endoscopic image in a frame for the purpose of making the lesion 38 easy to understand in the recorded image. At this time, as in the past, characters such as * are input one by one to create a frame, move the cursor to the position where you want to enter a comment, and enter coordinates like a trackball without entering a comment. Since a frame having an appropriate size can be created depending on the means, the user can quickly create a comment, and the examination time can be shortened, so that the time for the patient to suffer can be shortened.

Furthermore, since the lesion is easily commented on the recorded image, there is a great advantage for both the user and the patient who can easily understand the condition of the patient.

By the way, the insertion portion 8b of the fiberscope 2b as a child scope can be inserted into the channel 39 of the electronic scope 2a, and the light guide cable 11b extended from the operation portion 9b of the fiberscope 2b. Has a connector 12b at its tip,
It can be detachably connected to the light source 4b. The light source 4b has the same structure as the other light source 4a.

Further, a CCD is built in the TV camera 3 attached to the eyepiece portion of the fiberscope 2b to photoelectrically convert an optical image by the fiberscope 2b. This TV
The cable 13b extended from the camera 3 is connected to the child scope video processor 5b. This child scope video processor 5b converts the video signal into a video signal, which is input to the external input end 28 of the parent scope video processor 5a via the cable 40 and mixed by the mixer 27. ) Or as shown in FIG. 3 (c).

According to the first embodiment, since the endoscopic images by the scopes 2a and 2b can be displayed on the same monitor 6 at the same time, there is an advantage that it can be used even in a small installation place. Further, since they can be displayed on the same monitor, there is also an advantage that they can be easily compared. Next, FIG. 6 shows a main part of a modified example of the first embodiment.

In this modification, the configuration of the electronic endoscope apparatus on the parent scope side is different from that shown in FIG. In this modified example, instead of the operation panel which inputs the setting values (light amount, color tone, AGC, enhance amount, etc.) of the light source and the video processor, which are not shown in the first embodiment, FIG.
It has a centralized operation panel 41 as shown in FIG.

The centralized operation panel 41 is a display element 4 such as a liquid crystal display.
2 and the touch panel switch 43 are combined and connected to the device control computer 44.
The device control computer 44 displays the operation screens of the light source 4a and the video processor 5a and the keyboard operation screen 41A as shown in FIG. 7 on the display element 42.

Furthermore, in the case of the light source 4a, the set value of each device input by the touch panel switch 43 is set as the communication I / O.
Send to CPU46 via F45, video processor 5
In the case of a, the setting value of each device can be set to an arbitrary value of the user by sending it to the CPU 33 via the communication I / F 47. In FIG. 7, when the switch of the instruction frame operation unit 48 is touched, the instruction frame 36 is displayed as in the first embodiment, so that a comment can be made from the keyboard operation unit 49. That is, the same effect as that of the first embodiment can be obtained.

The number of instruction frames is the first shown in FIG. 8 (a).
There may be a plurality of instruction frames 50 and second instruction frames 51. Further, as shown in FIG. 8B, the size of the instruction frame may be changed to any size by the upper left point 52 and the lower right point 53. Obviously, these make it easier to use. As an effect peculiar to the present embodiment, since the keyboard operation unit is a software switch, the switch design can be easily changed according to the convenience of the user.

FIG. 9 shows an electronic endoscope apparatus 61 having a second embodiment of the present invention. The electronic endoscope 61 includes a parent scope 62a, a child scope 62b, and a TV camera head 63 attached to an eyepiece of the child scope 62b.
Light sources 64a and 64b for supplying illumination light to the parent scope 62a and the child scope 62b, a video processor 65 for performing signal processing, and a monitor 66 for displaying a video signal.
Composed of and.

Illumination light is supplied from the light sources 64a and 64b to the light guides 67a and 67b inserted in the parent scope 62a and the child scope, respectively. For example, in the light source 64a, the white light of the lamp 68a is condensed by the lens 69a, and the illumination light is supplied to the incident end of the light guide 67a. (On the light source 64b side, b instead of a
Will be omitted and the description thereof will be omitted. The child scope 62b can be inserted into the channel 70 of the parent scope 62.

A CCD 72a is arranged at the focal plane of the objective lens 71a at the tip of the parent scope 62a, and the image signal photoelectrically converted by the CCD 72a is input to the input switching circuit 73 in the video processor 65. In addition, C in the TV camera head 63 mounted on the child scope 62b
The image signal from the CD 72b is input to the input switching circuit 73 from the external input terminal 74 of the video processor 65.
The output of the input switching circuit 73 is input to the image processing unit 75, is converted into a video signal, and is output to the sub-screen synthesis circuit 7.
The two images are combined by 6 and the two images are simultaneously displayed on the monitor 66 (for example, as shown in FIG. 3B or FIG. 3C) on the same screen.

According to the second embodiment, only one video processor 65 is required, and the electronic endoscope apparatus using the parent scope 62a can be downsized. FIG. 10 shows an endoscopic video system 81 having means for taking pictures.

In FIG. 10, the endoscopic video system 8 is shown.
1 is capable of applying a drive signal for signal reading to the video scope 83 having the CCD 82 built-in, the light source device 89 as an illuminating means, and the CCD 82, and performing video signal processing on the read signal, for example, an RGB signal (component). Signal), and the video signal can be output to the monitor 84 and the monitor image photographing device 85. A still camera 87 is attached to the monitor image photographing device 85 via a camera adapter 86.

The photograph taken by the monitor image photographing device 85 can be obtained by using the color tone adjusting means provided in the video processor 88 to obtain a photograph having any color tone according to the user's preference.

FIG. 11 is a diagram showing the configurations and connections of the video processor 88 and the monitor image photographing device 85 in the system 81 shown in FIG. In FIG. 11, the video processor 88 has a video process circuit 91 for applying a drive clock to the CCD 82 and converting an electric signal sent from the CCD 82 into a video signal.

Input of patient data (name, sex, etc.) is performed by the keyboard 92, and input data by operating the keyboard 92 is set and processed by the video processor 88 via the keyboard control circuit 93 which is this interface. It is input to the controlling CPU 94 and is superimposed on the video signal by the video process circuit 91.

When the user wants to change the set value (color tone, outline emphasis amount, etc.) of the video processor 88, the set value is set by operating the operation panel 95.
C through the panel control circuit 96 which is the interface of
A desired endoscopic image is obtained by being guided to the PU 94 and driving the video process circuit 91 according to the change of the set value.

The video memory unit 97 is designed to pass an input video signal as it is in accordance with a control signal from the CPU 94, or hold it temporarily and repeatedly output it as a still image. The video signal is sent to the television monitor 84 and the monitor image photographing device 85. In addition, the release S provided on the videoscope 83
When the CPU 94 detects that the W98 has been operated, the release signal is transmitted to the photographing data receiving circuit 100 in the monitor image photographing device 85 via the photographing data transmitting circuit 99.

On the other hand, in the monitor image photographing device 85, the video signal is adjusted in color tone and the like by the video circuit 101 from the video processor 88 and input to the CRT 102. Further, the brightness of the CRT 102 is always guided to the photodiode 105 by the photometric lens 103, and the photodiode 105 inputs an output (hereinafter referred to as brightness information) according to the received brightness to the CPU 107 via the photometric control unit 106. ing. In the CPU 107, the video processor 8
When the release signal from 8 is received via the photographing data receiving circuit 100, the shutter control circuit 108 is operated at the timing according to the brightness information. Shutter control unit 1
In response to this, the shutter 109 is operated.

When the shutter 109 opens, the taking lens 11
The endoscopic image of the CRT 102 is formed on the film 111 via 0 and photographed. In this system 81, the CPU 9 according to the setting values (color tone, contour enhancement, etc.) of the video processor 88 selected by the user through the operation panel 95.
4 operates the video process circuit 91 to obtain a desired endoscopic image. At the same time, the set value of the video processor 88 (hereinafter referred to as video processor data) is transmitted from the photographing data transmitting device 99 to the monitor image photographing device 85.

On the monitor image photographing device 85 side, the set values of the monitor image photographing device 85 (hereinafter referred to as monitor image photographing device data) such as the exposure correction amount selected by the user through the operation panel 112 are passed through the panel control circuit 113. C
Input to PU107. The CPU 107 controls the shutter control circuit 108, the video circuit 101, and the like, and inputs both the video processor data and the monitor image photographing device data input to the CPU 107 via the photographing data receiving circuit 100 to the photographing data display unit 115. .

As shown in FIG. 12, the photographing data display section 115 is composed of a display element such as an LED or a liquid crystal on the lower side of the display surface of the CRT 102, and monitor photographing apparatus data includes input signals such as RGB and NTSC, AUTO, M
The exposure control method such as ANUAL and the exposure correction value such as +1 to +3 are displayed.
The color tone setting value such as 1, B-1 is displayed. And CRT
The display content of 102 and the display content of the captured data display section 115 can be projected on the film 111 via the taking lens 110 of the still camera 87.

By detecting the monitor brightness of the CRT 102 with the photodiode 105 and notifying by the buzzer 116 or the like when the monitor brightness is dark, it is possible to prevent mistakes such as taking a black picture. In the configuration of FIG. 11, the monitor photographing device data is displayed on the lower side of the display surface of the CRT 102. However, with the configuration shown in FIG.
It may be displayed on the display screen 02.

That is, as shown in FIG. 13, the setting value of the monitor image photographing device 85 is transmitted to the video processor 88 by the photographing data transmitting circuit 121, and the video processor 8
On the 8 side, this is sent to the CP via the photographing data receiving circuit 122.
Input to U94. In the CPU 94, both the monitor image photographing device data and the video processor data are input to the video process circuit 91, and the video process circuit 91 superimposes the data on the video signal. This video signal is stored in the video memory section 97.
Is output to the monitor image capturing device 85 and the television monitor 84 via.

Therefore, in this system, the photographing data display section 115 shown in FIG. 11 or 12 is not provided,
As shown in FIG. 14, a part of the display surface of the CRT 102 is provided with a region also having the function. For example, CRT1
The monitor photographing device data such as an input signal and the video processor data are displayed in the vicinity of the lower corner on the display surface 02. In response to the release operation, a release signal is transmitted from the video processor 88 to the monitor image capturing device 85 side as in the case shown in FIG.
The shutter 109 operates via 07.

In this system, unlike the previous system, the data of the photographing condition does not protrude from the tube surface of the CRT 102, so that the size on the film 111 can be enlarged to the limit. Furthermore, since the software that superimposes the data on the endoscopic image can be used without providing the data display unit hardware, the structure is simplified, and the same effect as the system described above can be obtained. There is.

Further, in addition to the above-mentioned system, if the set value (light quantity, aperture value, etc.) of the light source device 89 shown in FIG.

[0044]

As described above, according to the present invention, when it is desired to enclose a specific site such as a lesion part of an endoscopic image in a frame to make a comment, a means for displaying the specific site in an instructing frame. Since this is provided, the specific portion corresponding to the comment can be easily understood.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall configuration including a first embodiment of the present invention.

FIG. 2 is a configuration diagram of a device on a parent scope side according to the first embodiment.

FIG. 3 is an explanatory diagram showing a display example on a monitor according to the first embodiment.

4 is an explanatory diagram showing a display example on a monitor in the apparatus of FIG.

5 is an explanatory diagram showing a display example on a monitor in the apparatus of FIG.

FIG. 6 is a configuration diagram showing a main part in a modified example of the first embodiment.

7 is an explanatory view showing a keyboard operation screen in the device of FIG.

FIG. 8 is an explanatory diagram showing that a plurality of instruction frames are displayed on a monitor.

FIG. 9 is a configuration diagram including a second embodiment of the present invention.

FIG. 10 is a configuration diagram of an endoscope system including a monitor imaging device.

11 is a configuration diagram of a video processor and a monitor photographing device in the system of FIG.

FIG. 12 is an explanatory diagram showing display contents of a CRT and a photographing data display unit.

13 is a configuration diagram showing a main part in a modified example of the endoscope system shown in FIG.

FIG. 14 is an explanatory diagram showing display contents on a CRT.

[Explanation of symbols]

 1 ……………… Electron endoscope system 2a ………… Electroscope 2b ………… Fiberscope 3 …………… TV cameras 4a, 4b… Light sources 5a, 5b… Video processor 6 …………… Monitor 25 ………… Image processing part 29a ………… Endoscopic image 31 ………… Keyboard 33 ………… CPU 35 ………… Trackball 36 ………… Indication frame 38 ………… Lesion

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Isamu Karasawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Masahiko Hamano 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Kazumi Takamizawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Mutsumi Oshima 2-43-2 Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Co., Ltd. (72) Inventor Yasuyuki Kaneko 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Toshiaki Nishikori 2-43-2 Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Co., Ltd. (72) Inventor Akira Osawa 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus The Optical Industry Co., Ltd.

Claims (1)

[Claims] 1. A video processor for an endoscope, which displays a video signal including an endoscopic image on a display screen of a monitor, wherein an instruction frame display for displaying an instruction frame surrounding a specific portion in the display screen on the display screen. Means, an instruction frame display position input means for inputting a display position of the instruction frame displayed on the display screen, and displaying character data at a position related to the display position of the instruction frame displayed on the display screen. Therefore, a video data processor for endoscopes, comprising: a character data input means capable of inputting the character data.