JPH1057305A - Biological information memory device for endoscope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a biological information memory device for an endoscope capable of storing biological information of a body during its operation inside. SOLUTION: Biological information picture image to indicate biological information in specified period is given by a biological information picture image processing means 72 based on the biological information repeatedly measured by a biological information detection means 70 and the biological information picture image given by the biological information picture image processing means 72 as well as endoscope picture displayed on a color display device 60 is stored in a specific memory means through a picture storage means 80. Therefore, the biological information repeatedly measured during the period the endoscope 12 was operated in the body together with the endoscope picture are stored in the memory means. These systems make easier to confirm the influence in the body caused by the operation of the endoscope 12 after its operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biological information recording apparatus for an endoscope for displaying biological information of a living body using the endoscope.

[0002]

2. Description of the Related Art There is known an endoscope having an image display device for displaying an endoscopic image picked up by an imaging device based on an endoscopic image signal output from the imaging device. Such an endoscope is inserted into a body cavity or an internal organ of a living body, such as a gastrointestinal tract such as a stomach or an intestine, a bladder, a bronchus, or an abdominal cavity, for diagnosis, research, or surgery. Are photographed and sequentially displayed on the image display device.

[0003]

However, after using the endoscope, it is desired to confirm whether the use of the endoscope has a significant effect on a living body. If it is confirmed that the use of the endoscope has a significant effect on the living body, it is possible to take prompt treatment prior to a sudden change in the condition of the living body. It is particularly desirable for patients who cannot complain of an abnormality, such as during anesthesia.

However, in a conventional endoscope, an endoscopic image of a predetermined portion determined to be important during observation is recorded on a predetermined recording sheet by using a video printer. However, since no biological information such as blood pressure value, pulse rate, and oxygen saturation during the use of the endoscope is recorded, it is relatively difficult to confirm the effect of the use of the endoscope on a living body. Was.

The present invention has been made in view of the above circumstances, and a purpose thereof is to provide a biometric information recording apparatus for an endoscope which can record biometric information during use of the endoscope. Is to provide.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is to provide an image display device for displaying an endoscopic image picked up by an image pickup device based on an output signal from the image pickup device. Endoscope having biometric information detecting means for detecting biometric information from a living body in which the endoscope is used, and biometric information for the endoscope for recording the biometric information detected by the biometric information detecting means. A recording device, (a) based on the biological information repeatedly detected by the biological information detecting means, a biological information image generating means for generating a biological information image indicating biological information within a predetermined period,
(b) the biological information image generated by the biological information image generating means and the endoscope image displayed on the image display device, and an image recording means for recording together on a predetermined recording medium, .

[0007]

According to this configuration, the biological information image generating means generates a biological information image indicating biological information within a predetermined period based on the biological information repeatedly measured by the biological information detecting means, and the biological information image is generated. The biological information image generated by the image generating means and the endoscope image displayed on the image display device are recorded together on a predetermined recording medium by the image recording means. Thus, according to the present invention,
A biological information image repeatedly measured during a predetermined period in which the endoscope is used on a living body is recorded on a recording medium together with the endoscope image. This also makes it easy to confirm the effect on the living body by using the endoscope after using the endoscope.

[0008]

In another preferred embodiment of the present invention, a recorded image specifying device operated to specify an endoscopic image to be recorded and a specified endoscopic image specified by the recorded image specifying device are stored. A designated endoscope image storage unit, wherein the image recording unit records the designated endoscope image stored by the designated endoscope image storage unit together with the biological information image on a predetermined recording medium. With this configuration, the designated endoscopic image is recorded on the recording medium together with the biological information image, so that two types of information to be recorded on one recording medium can be recorded.

Preferably, the biological information image generating means includes a plurality of biological information repeatedly detected by the biological information detecting means within a period including a time point at which a designated endoscopic image is designated by the recorded image designating device. A biological information image representing information in a time-series manner is generated. This has the advantage that changes in biological information during use of the endoscope can be easily and easily understood.

[0010] Preferably, the apparatus further includes mark display means for displaying, in the biometric information image, a mark indicating a time point at which the designated endoscopic image is designated by the recorded image designating device. With this configuration, the biological information image recorded on the recording medium is displayed with the mark indicating the point in time at which the designated endoscopic image is designated by the recorded image designation device. There is an advantage that the time at which the designated endoscopic image is designated is recorded.

Preferably, the apparatus further includes image synthesizing means for displaying the biological information image generated by the biological information image generating means on the image display device together with the endoscope image. With this configuration, the biometric information image is displayed on the image display device together with the endoscopic image, so that the surgeon sees the endoscopic image on the display screen of the image display device during the use of the endoscope, and Because you will see information one by one,
There is an advantage that biological information can be monitored during use of the endoscope.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram illustrating a configuration of a biological information recording device 10 for an endoscope to which the present invention is applied.

In FIG. 1, an endoscope 12 includes an optical fiber 14 comprising a light guide for transmitting irradiation light from a light source (not shown) and an image fiber for transmitting an endoscope image.
And an imaging device 22. This optical fiber 1
4 has flexibility by being composed of a number of glass fiber bundles having a diameter of several microns, and can be inserted deep into the body with many bends.

The optical fiber 14 transmits an endoscope image formed by the objective lens 16 at the distal end surface to the other end surface, and forms an image on the image pickup device 22 via the half mirror 20 by the image forming lens 18. This imaging device 22
Is composed of, for example, an image oricon or a CCD image sensor, and supplies an endoscope image signal representing an endoscope image to an electronic control unit 28 via a video amplifier 24 and an A / D converter 26. The imaging device 22 includes, for example,
It comprises a three-color separation optical system and three image pickup tubes for picking up images of each of the three colors separated by the three-color separation optical system. The endoscope image is divided into three primary colors of red, green, and blue for each frame. It outputs a visual image signal (scanning lines constituting an endoscopic image).

The biological information recording device 10 includes a blood pressure measuring device 30 for continuously and non-invasively measuring a blood pressure value of a living body for each beat, and a blood oxygen saturation of the living body for each beat. An acidity saturation measuring device 32 for continuous and non-invasive measurement, and a heart rate detecting device 34 for continuously measuring a heart rate or a pulse rate of a living body for each beat are provided, and a blood pressure value BP (mmH
g), a signal indicating the acidity saturation OX (%), and a signal indicating the heart rate HR (/ min) are supplied to the electronic control unit 28, respectively. In this embodiment, the blood pressure measuring device 30, the acidity saturation measuring device 32, and the heart rate detecting device 34 function as biological information detecting means.

Further, an image designation switch 36 and a recording output switch 38 are provided, and an operation input signal for designating an endoscopic image and an operation input signal for instructing recording output are supplied to the electronic control unit 28, respectively. For example,
The image designation switch 36 is used for the imaging device 2 of the endoscope 12.
The recording output switch 38 is provided in the vicinity of the base end provided with the recording output switch 2, and is provided on an operation panel (not shown).

The electronic control unit 28 includes a CPU, an RO,
A so-called microcomputer including an M, a RAM, an interface, and the like. The microcomputer processes input signals in accordance with a program stored in a ROM in advance while using a temporary storage function of the RAM, and processes biological signals in a biological information RAM 42 and a video RAM 40. The image in the designated endoscope image RAM 44 and the hard copy image RAM 46 is updated, and as shown in, for example, FIG.
The designated endoscope image 52 and the biological information image 54 in 46 are printed in color on a common recording medium 56.

The color image display device 60 is a color CRT.
62 and the electron beams emitted from the three cathodes 64 are sequentially switched to alternately display an endoscope image separated into three primary colors of red, green, and blue, thereby providing a color CRT 6.
And a display drive control circuit 66 for making the endoscope image displayed in 2 a color image.

FIG. 2 is a functional block diagram for explaining a main part of the control function of the electronic control unit 28. In FIG. 2, the biological information detecting means 70 includes the blood pressure measuring device 30,
The biological information image generating means 72 corresponds to the acidity saturation measuring device 32 and the heart rate detecting device 34. The biological information image generating means 72 converts the biological information within a predetermined period based on the biological information repeatedly detected by the biological information detecting means 70. Biometric information image 54 shown
Generate. The biometric information image generating means 72 is a biometric information chronologically representing a plurality of pieces of biometric information repeatedly detected by the biometric information detecting means 70 within a period including a time point at which the designated endoscopic image is designated by the image designation switch 36. An image is generated. This biological information image 54
Is, for example, a list in which numerical values indicating biological information are arranged in chronological order as shown in FIG. 4 or a value in which biological information is indicated in chronological order along a time axis as shown in FIG. 5, for example. It is a trend graph.

The image synthesizing means 74 synthesizes the endoscopic image sequentially picked up by the image pickup device 22 with the biological information image 54 generated by the biological information image generating means 72. Thereby, the screen of the color image display device 60 includes
For example, a combined image is displayed as shown in FIG. 4 or FIG. Thereby, the operator can use the color display device 6.
The user operates the endoscope 12 while gazing at the endoscopic image on the screen of the screen 0, and obtains the blood pressure value BP (mm
Hg), acidity saturation OX (%), and heart rate HR (/ min) are monitored.

When the operator operates the image designation switch (recorded image designation device) 36, the designated endoscope image RAM (designated endoscope image storage means) 44 stores the endoscope image at that time and simultaneously prints the stamp. The display means 76 causes the biometric information image generating means 72 to generate a mark 78 indicating the time point at which the designated endoscope image is designated by the image designation switch 36, and outputs the mark 78 to the video RAM 40 and the hard copy image RAM.
(Hard copy image storage means) Display within the biological information image stored in 46. 4 and 5, a mark 78 is provided on the biological information image 54 recorded on the recording medium 56.

The image recording means 80 includes a biological information image generated by the biological information image generating means 72 in response to the operation of the recording output switch (recording output operation device) 38, and the color image display. The endoscopic image displayed by the device 60, for example, the designated endoscopic image RAM 44
Is recorded together with the designated endoscopic image stored on the recording medium 56 such as recording paper.

FIG. 3 is a flowchart for explaining the main part of the control operation of the electronic control unit 28. This flowchart is executed when an endoscope operation is started by operating a start switch (not shown).

In FIG. 3, in step (hereinafter abbreviated as step) SS 1, whether or not biological information has been input, that is, whether or not the blood pressure measuring device 30, the blood oxygen saturation measuring device 32, and the heart rate detecting device 34 It is determined whether a measurement value has been input. If this determination is denied, the following SS5 and below will be executed. If the determination is affirmative, in subsequent SS2, the biological information is read into the biological information image RAM 42 and the biological information image
, The biological information image 54 shown in FIG. 4 or 5 is sequentially generated, for example. Then, S
In S4, the biological information image 54 created in SS3
Is a hard copy image RAM 46 and a video RAM 4
By storing the information in 0, the biological information image stored in the hard copy image RAM 46 and the video RAM 40 is updated.

In SS5, the endoscopic image picked up by the imaging device 22 is read, and in SS6, the endoscopic image stored in the video RAM 40 is updated to the newly read endoscopic image. . And SS
In 7, it is determined whether or not an operation of designating an endoscopic image by the image designating switch 36 has been performed.
If the determination in S7 is negative, it is determined in SS8 whether the recording output operation by the recording output switch 38 has been performed.

Normally, since the determinations of SS7 and SS8 are both negative, the routine of SS1 and subsequent steps is repeatedly executed. Thereby, the endoscope image captured by the endoscope 12 and sequentially read by SS5,
Since the biological information image 54 created based on the biological information sequentially detected in S3 is sequentially displayed on the color image display device 60, the surgeon watches the endoscope image on the screen of the color image display device 60. The endoscope 12 can be operated while being operated. At the same time, based on the biological information image 54 displayed on the color image display device 60, the surgeon uses the biological information image 54 to display the blood pressure value BP (mmHg), the acidity saturation OX (%), and the heart rate HR (/ min).

When the surgeon operates the image designation switch (recorded image designation device) 36, the determination in SS7 is affirmative. Therefore, in SS9, the designated endoscope image storage RAM 44 and the hard copy image RAM 46 store the information at that time. A visual image, that is, a designated endoscopic image 52 is stored. Next, at SS10 corresponding to the mark display means 76, a mark 78 indicating the time point at which the designated endoscopic image is designated by the image designation switch 36 is generated by the biological information image generating means 72, and the video RAM 40 and the hard copy It is displayed in the biological information image stored in the image RAM 46. In the recording example of FIG. 4, a V-shaped mark 78 is attached to the biometric information image 54 printed on the recording medium 56, and in the recording example of FIG. 5, the biometric information image 54 printed on the recording medium 56 , A mark 78 having a △ shape is attached.

When the recording output switch 38 is operated by the operator, at SS11 corresponding to the image recording means 80, the biological information generated by the biological information image generating means 72 stored in the hard copy image RAM 46 is displayed. The image 54 and the designated endoscopic image 52 stored in the designated endoscopic image RAM 44 are stored in a predetermined recording medium 5 such as a recording sheet.
6 and record them together. FIG. 4 or FIG.
Indicates this state.

As described above, according to the present embodiment, the biological information indicating the biological information within a predetermined period is obtained by the biological information image generating means 72 (SS3) based on the biological information repeatedly measured by the biological information detecting means 70. An image 54 is generated, and the biometric information image 54 generated by the biometric information image generating means 72 and the endoscope image displayed on the color image display device 60 are converted into a predetermined image by the image recording means 80 (SS11). The information is recorded on the recording medium 56 together. Therefore, the biological information image 54 repeatedly measured within a predetermined period in which the endoscope 12 is used for the living body is recorded on the recording medium 56 together with the designated endoscope image 52. This also makes it easy to confirm the effect on the living body by using the endoscope 12 after using the endoscope 12.

In the biological information recording apparatus 10 of the present embodiment, an image designation switch (recorded image designation device) 36 operated to designate a designated endoscopic image 52 to be recorded.
And a designated endoscope image RAM (designated endoscope image storage unit) 44 for storing the designated endoscope image 52 designated by the image designation switch 36. The image recording unit 80 Since the designated endoscopic image 52 stored by the visual image RAM 44 is to be recorded on a predetermined recording medium 56 together with the biological information image 54, the designated endoscopic image 52 is stored on the recording medium 56 together with the biological information image 54. Since the information is recorded, two types of information to be recorded on one recording medium can be recorded.

In the present embodiment, the biological information image generating means 72 is used to specify the image to be recorded during the period from the start of use of the endoscope 12 to the operation of the recording output switch 38, that is, by the image specifying switch 36. During the period including the time point when the endoscope image 52 is designated, the biometric information image 54 is displayed in a time series showing a plurality of pieces of biometric information repeatedly detected by the biometric information detection means 70. There is an advantage that the change of the biological information during use can be easily and easily understood.

The biometric information recording apparatus 10 of this embodiment has a mark 78 indicating the point in time at which the designated endoscopic image 52 to be recorded by the image designation switch 36 is designated.
Since the biometric information image 54 recorded on the recording medium 56 is designated by the image designation switch 36, the designated endoscope image 52 is designated because the mark display means 76 (SS10) to be displayed in the area 4 is further included. Since the mark 78 indicating the time point is displayed, there is an advantage that the time point during the use period of the endoscope 12 at which the specified endoscope image 52 is specified is recorded.

Further, the biological information recording apparatus 10 of this embodiment includes a biological image 54 generated by the biological information image generating means 72 during the operation of the endoscope 12 and a color image together with the internal image. Since the image synthesizing means 74 (SS4, SS6) to be displayed on the display device 60 is further included, the biological information image 54 is always displayed on the color image display device 60 together with the endoscope image. Since the endogenous image on the display screen of the color image display device 60 is viewed simultaneously with the biological information during the mirror use period, there is an advantage that the biological information can be monitored during the endoscope use period.

While one embodiment of the present invention has been described with reference to the drawings, the present invention can be applied to other embodiments.

For example, in the above-described embodiment, in response to the operation of the recording output switch 38, the biological information image 54 indicating the biological information detected so far is printed on the recording medium 56 together with the designated endoscopic image 52. Thus, the biological information in the period from the start of use of the endoscope 12 to the operation of the recording output switch 38 is recorded.
The endoscope image 52 designated by the image designation switch 36 from a part of the period, for example, from the start of use of the endoscope 12.
May be recorded within the period up to the time point when is designated.

The recording medium 56 is a recording paper or the like that can be recorded by printing. However, a recording medium that can be electronically recorded and displayed on a display such as a magnetic disk, an optical disk, or a memory card. It does not matter.

The biological information recording apparatus 1 of the above-described embodiment
At 0, the common electronic control unit 28 was used,
A plurality of electronic control devices such as an electronic control device for displaying an endoscopic image, an electronic control device for detecting biological information, and an electronic control device for image processing may be used.

The biological information in the above embodiment is
Although there are three types of blood pressure value BP, blood oxygen saturation OX, and heart rate HR, any one of them may be used, and other biological information other than these three types may be used. Good.

In the above-described embodiment, the designated endoscope image 52 and the biometric information image 54 are recorded on the recording medium 56.
Were printed adjacent to each other, but in the common area,
The designated endoscope image 52 and the biometric information image 54 may be printed so as to overlap.

In addition, the present invention can be variously modified without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a biological information recording device for an endoscope according to an embodiment of the present invention.

FIG. 2 is a functional block diagram illustrating a main part of a control function of the electronic control device of the embodiment of FIG. 1;

FIG. 3 is a flowchart illustrating a main part of a control operation of the electronic control device according to the embodiment of FIG. 1;

FIG. 4 is a diagram showing an example of a recording medium printed by the hard copy device of the embodiment of FIG.

FIG. 5 is a diagram illustrating an example of a recording medium printed by a hard copy device according to another embodiment of the present invention.

[Description of sign]

 10: Endoscope biometric information recording device 12: Endoscope 22: Imaging device 36: Image designation switch (Recorded image designation device) 38: Recording output switch (Recording output operation device) 70: Biological information detection means 72: Living organism Information image generating means 74: Image combining means 76: Mark display means 80: Image recording means

Claims (5)

[Claims] 1. An endoscope having an image display device for displaying an endoscopic image captured by an imaging device based on an output signal from the imaging device, wherein biological information is detected from a living body in which the endoscope is used. A biometric information recording device for an endoscope for recording the biometric information detected by the biometric information detecting device, the biometric information recording device for an endoscope being provided based on the biometric information repeatedly detected by the biometric information detecting device. A biological information image generating means for generating a biological information image indicating biological information within a predetermined period; and a biological information image generated by the biological information image generating means and an endoscope image displayed on the image display device. And an image recording means for recording the information together on a predetermined recording medium. 2. A recording image specifying device which is operated to specify an endoscopic image to be recorded, and a specified endoscopic image storage means for storing a specified endoscopic image specified by the recording image specifying device. 2. The endoscope bioinformation recording according to claim 1, wherein said image recording means records the designated endoscope image stored by said designated endoscopic image storage means together with said biometric information image on said predetermined recording medium. apparatus. 3. The biometric information image generating means chronologically converts a plurality of pieces of biometric information repeatedly detected by the biometric information detecting means within a period including a time point at which a designated endoscopic image is designated by the recorded image designating device. The biometric information recording apparatus for an endoscope according to claim 2, wherein the biometric information recording apparatus generates a biometric information image that is represented in a typical manner. 4. A biometric information recording device for an endoscope according to claim 3, further comprising a mark display means for displaying, in the biometric information image, a mark indicating a time point at which a designated endoscopic image is designated by the recorded image designation device. . 5. The biometric information recording apparatus according to claim 1, further comprising an image synthesizing means for displaying the biometric information image generated by said biometric information image generating means on said image display device together with said endoscope image. .