JPH10179569A - Medical image diagnostic device and monitor image display method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display the image of a subject monitor camera on a window formed on the monitor of a medical image diagnostic device without additionally installing a monitor device for a subject monitor. SOLUTION: The image of a TV camera 5 after photographing a subject P is displayed on the window of the image monitor device 13 of a control console 11 via an image input device 15. Also, the image of the TV camera 5 is displayed on an uppermost window, when a patient gives such a motion as affecting a photographing process during an operator's conversation with the patient at the process, or whenever required by the operator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an X-ray tomography apparatus (hereinafter referred to as "X-ray CT") used in the field of medical diagnosis.
Device), a magnetic resonance imaging device (hereinafter, M
The present invention relates to a medical image diagnostic apparatus such as a gamma camera apparatus and an improvement in a method of displaying a monitoring image of a subject in the apparatus.

[0002]

2. Description of the Related Art In a conventional medical image diagnostic apparatus such as an X-ray CT apparatus, a television camera for monitoring an object is provided in an imaging room, and an image of the object photographed by the television camera is controlled by the medical image diagnostic apparatus. The information was displayed on a dedicated monitoring monitor device installed separately from the desk. Further, the monitoring monitor device continues to display the image regardless of the image acquisition status of the medical image diagnostic apparatus main body and the operation of the subject.

In a conventional method of determining a scan position in an X-ray CT apparatus, a light emitting device provided in a gantry irradiates a position corresponding to a slice position with a light beam serving as an index, and a position irradiated with this light beam is applied to a patient. The slice position is determined by moving the bed on which the table is placed and reading the movement amount of the bed.

When precise positioning is required,
A scano image was taken in advance, and the imaging site of the patient was determined on the scano image.

[0005]

As described above, the conventional radiographing room monitoring system is installed as a separate system from the medical image diagnostic apparatus. Therefore, the system for monitoring the subject is provided separately from the control console monitor of the medical image diagnostic apparatus body. A new monitoring device is required for monitoring the device, and there is a problem that extra equipment and an installation space are required.

[0006] In addition, when determining an imaging part in a conventional X-ray CT apparatus, a radiographic technologist must enter the imaging room, move a bed on which a patient is placed, and adjust the scan position. Did not. Also, if precise alignment is required, not only will additional X-ray exposure be given to the patient to capture the scano image, but additional time will be required to capture the scano image. For example, there is a problem that the throughput of the patient is deteriorated.

In view of the above problems, it is an object of the present invention to display an image of a camera for monitoring an object on a window on a monitor of a medical image diagnostic apparatus without newly installing a monitor for monitoring. It is.

Another object of the present invention is to display a monitor original image or screen other than the monitor image on the monitor when monitoring is not necessary so as not to affect the operation work.

Another object of the present invention is to provide a monitoring image display method in which a technician can perform positioning from a control room without entering a photographic room when determining a photographic position.

Another object of the present invention is to provide a new monitoring image display method of an X-ray CT apparatus which can grasp a real imaging part of a patient in real time without X-ray exposure.

[0011]

According to the first aspect of the present invention, there is provided a medical image diagnostic apparatus main body for acquiring a medical image of a subject, a control state of the medical image diagnostic apparatus main body and / or a medical image diagnostic apparatus. A control console having a monitor screen for displaying an image, a television camera for photographing the subject, and a display for displaying a television image of the subject photographed by the television camera in a window on the monitor screen of the control console A medical image diagnostic apparatus including a control unit.

According to a second aspect of the present invention, in the medical image diagnostic apparatus of the first aspect, the display control means includes a storage means for storing a predetermined display condition, and the display condition is satisfied. In some cases, the gist of the present invention is to display the television image of the subject on a top window of the monitor screen.

According to a third aspect of the present invention, there is provided the medical image diagnostic apparatus according to the first or second aspect, wherein a scan position can be designated on the displayed television image of the subject. The gist of the present invention is to further provide a designation means.

According to a fourth aspect of the present invention, there is provided the medical image diagnostic apparatus according to any one of the first to third aspects, wherein the control console has a desired control program incorporated in a workstation. It is characterized by being.

According to a fifth aspect of the present invention, there is provided a monitoring image display method for monitoring a subject as a medical image collection target by a medical image diagnostic apparatus, wherein the subject is photographed by a television camera. This is a surveillance image display method in which a television image of a subject is displayed in a window on a monitor screen of a control console.

According to a sixth aspect of the present invention, in the surveillance image display method according to the sixth aspect, the display condition is stored in a storage means in advance, and when the display condition is satisfied, the television of the subject is displayed. The gist of the present invention is to display an image on the top window of the monitor screen.

According to a seventh aspect of the present invention, in the surveillance image display method according to the sixth aspect, the display condition is set such that, during acquisition of a medical image, a dialogue between the operator and the subject, body movement of the subject. The gist of the present invention is that when any of the conditions described above is detected, when the operator instructs the display, and when one of the conditions is satisfied.

The invention according to claim 8 is a surveillance image display method capable of designating an image acquisition area of a subject by a medical image diagnostic apparatus, wherein the subject is photographed by a television camera, and A television image of a sample is displayed on a window on a monitor screen of a control console, a scan area of the subject is specified on the monitor screen, and the bed moving amount is controlled based on the specified scan area. I do.

(Operation) The operation of the present invention having the above configuration is as follows.
The video of the subject from the TV camera is displayed as a window on the monitor screen of the control console, and the video of the subject is made the topmost window as necessary, so that a dedicated monitoring image of the subject is displayed. The monitoring device can be deleted.

In addition, when the subject is positioned by the medical image diagnostic apparatus, the imaging position is designated on the image taken by the television camera, so that the subject is not exposed to X-rays and is exposed to the X-ray CT image of the subject in real time. Can be determined.

[0021]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic configuration diagram of an X-ray CT apparatus to which a medical image diagnostic apparatus according to the present invention is applied. In the figure, 1 is an X-ray CT apparatus to which the present invention is applied, 3 is a mount of the X-ray CT apparatus 1 having a structure known per se, 5 is a small monitoring television camera, and 7 is a mount A bed is provided so as to be movable in the horizontal direction in the drawing, 9 is a bed control unit, P is a subject (patient) lying on the bed 7, 11 is a control console for controlling the gantry 3 and the bed control unit 9, 13 Reference numeral denotes an image monitor of the control console 11, reference numeral 15 denotes an image input device for capturing an image of the television camera 5 into the control console 11, and reference numeral 17 denotes a voice input device for inputting a patient's voice.

The control console 11 is a general-purpose workstation in which a program for controlling an X-ray CT apparatus is incorporated.

The television camera 5 photographs the patient P placed on the bed 7, and the image of the patient photographed by the television camera 5 is transmitted through the image input device 15 to the image monitor 1 of the control console 11.
3 can be displayed as a window on the screen.

Further, when monitoring is not necessary, a small window is displayed on a part of the screen of the image monitor device 13 as a reduced small window so as not to affect the original operation work as the medical image diagnostic device. Or
It is displayed under other windows.

When necessary, in order to display a patient image photographed by the television camera 5, (A) during photographing, (B)
Only when interacting with the patient, (C) when the patient performs an operation that affects imaging, (D) when the operator needs display, or when any of the above conditions A to D is met As shown in FIG. 2, the image of the television camera 5 is displayed at the top of the window of the image monitor device 13, and all necessary information is displayed on the screen of one image monitor device 13 and provided to the operator. I do.

Next, the above conditions will be described in detail. The dialogue with the patient under the condition (B) is when a voice is input by the voice input device 17 or when the operator sets a switch of a microphone (not shown) provided on the console 11 to ON. The operator's voice from this microphone is an amplifier (not shown)
The patient in the imaging room can hear the sound through the speaker. The patient's voice input from the voice input device 17 can be heard through a speaker (not shown) built in the image monitor device 13.

As the condition (C), a patient image at the time when the setting of the patient before the photographing is completed is stored, and this image and the image photographed by the television camera 5 are stored in real time or at predetermined time intervals. The difference is calculated, and when the difference exceeds a predetermined value, it is determined that there is an operation that affects shooting.

The condition (D) is a case where the operator uses the input device such as the keyboard of the control console 11 or a mouse (not shown) to input that the display of the patient image is required.

When an X-ray CT image is to be taken, the operator operates the control console 11 while looking at the image displayed on the image monitor 13, and designates the slice position of the part to be taken using the marker 23 as shown in FIG. I do. The control console 11 displays the marker 23 so as to be superimposed on the image on the image monitor device 13, and obtains the amount of movement of the bed 7 required to move the designated part to a predetermined position in the gantry 3. The information on the bed moving amount is set in the bed control unit 9.

At the time of X-ray CT image capturing, the bed 7 on which the subject P is placed is moved by the bed moving amount set in the bed
An image is taken.

It is assumed that the correspondence between the position of the bed 7 and the position on the image of the television camera 5 displayed on the screen of the image monitor device 13 is stored in the workstation of the control console 11 in advance.

The present invention is also applied to continuous scanning of X-ray CT imaging. At the time of setting the shooting area in the continuous scan, as shown in FIG. 4, a scan start position marker 25 and a scan end position marker 29 indicating a start position and an end position of the continuous scan are displayed on the image on the window. The photographing start position and the end position are determined using the two markers 25 and 29.

The photographing start position and the ending position designated by these two markers are converted into a bed moving amount at the photographing start position and a bed moving amount at the photographing ending position, and are set in the bed control unit 9. Used for controlling the shooting position during continuous scanning.

The couch control unit 9 transmits the couch position information during scanning to the control console 11, which converts the information into a scan position marker 27 in the image monitor 13 and displays it.

As described above, during continuous scan imaging, the scan position marker 27 indicating the position on the television image corresponding to the part currently being photographed is displayed, and information as to which part is currently being photographed is given to the operator as information.

When a scano image is used for unavoidable reasons such as determining an accurate imaged part, a marker 3 indicating the imaged part is also displayed on the scano image 31 as shown in FIG.
3 may be displayed so that the imaging region can be determined using the marker 33. In this case, the window for displaying the image of the television camera in FIG. 4 and the window for displaying the scano image in FIG. 5 are simultaneously displayed in parallel, and the scan position marker 27 during shooting in FIG. It may be displayed in conjunction with the marker 33.

[0037]

As described above, according to the present invention, the patient can be monitored by the image monitor device of the control console, and displayed on the topmost window of the image monitor device only when required by the operator. Therefore, there is an effect that a medical image diagnostic apparatus capable of grasping a patient condition can be provided without providing a monitor dedicated to patient monitoring.

Also, there is an effect that the patient can be prevented from being exposed to X-rays when setting the imaging conditions of the X-ray CT apparatus.

Further, there is an effect that a medical image diagnostic apparatus capable of grasping a real imaging part of a patient in real time can be provided.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an X-ray CT apparatus which is an embodiment of a medical image diagnostic apparatus according to the present invention.

FIG. 2 is a view showing a window for displaying a patient monitoring image on an image monitor of the X-ray CT apparatus of FIG. 1;

FIG. 3 is a diagram for explaining how to set an imaging position using a marker using the patient monitoring image of FIG. 2;

FIG. 4 is an explanatory diagram when setting a shooting area during continuous scanning.

FIG. 5 is an explanatory diagram when a shooting position is set using a scano image.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... X-ray CT apparatus, 3 ... Stand, 5 ... TV camera, 7 ...
Bed, 9: bed control unit, 11: console, 13: image monitor, 15: image input device, 17: voice input device, P: subject.

Claims (8)

[Claims] 1. A medical image diagnostic apparatus main body for collecting a medical image of a subject, a control console provided with a monitor screen for displaying a control state of the medical image diagnostic apparatus main body and / or a medical image, and photographing the subject A medical image diagnostic apparatus, comprising: a television camera to be displayed; and display control means for displaying a television image of the subject photographed by the television camera on a window on a monitor screen of the control console. 2. The display control means includes storage means for storing a predetermined display condition, and when the display condition is satisfied, displays the television image of the subject in a top window of the monitor screen. The medical image diagnostic apparatus according to claim 1, wherein: 3. The apparatus according to claim 1, further comprising an imaging area designating unit capable of designating a scan position on the displayed television image of the subject.
4. The medical image diagnostic apparatus according to claim 1. 4. The medical image diagnostic apparatus according to claim 1, wherein the control console has a desired control program incorporated in a workstation. 5. A monitoring image display method for monitoring a subject as a medical image collection target by a medical image diagnostic apparatus, wherein the subject is photographed by a television camera, and a television image of the subject is displayed on a control console. A surveillance image display method, wherein the surveillance image is displayed in a window on a monitor screen of the computer. 6. A storage means for storing display conditions in advance, and when the display conditions are satisfied, a television image of the subject is displayed in a top window of the monitor screen. 5. The monitoring image display method according to 5. 7. The display condition may be any of the following conditions: during acquisition of a medical image, during a dialogue between the operator and the subject, when body movement of the subject is detected, and when the operator instructs display. The surveillance image display method according to claim 6, wherein the condition is satisfied. 8. A monitoring image display method capable of designating an image acquisition area of a subject by a medical image diagnostic apparatus, wherein the subject is photographed by a television camera, and a television image of the subject is displayed on a control console. A surveillance image display method, comprising: displaying a window on a monitor screen; specifying a scan area of the subject on the monitor screen; and controlling a moving amount of the bed based on the specified scan area.