JPH045954A - Ultrasonic diagnostic device - Google Patents

Abstract

PURPOSE:To execute the editing so that a display item does not become a fault to a diagnosis even if an image and the display item increase by providing a mode image editing means which can edit a B mode image, an M mode image and a Doppler mode image displayed on the same display. CONSTITUTION:A mode image editing means 12 has a preset means 14 which can set arbitrarily the editing contents in advance. The preset means 14 stores the editing contents which an input processing circuit 9 forms in accordance with set information inputted by a console 8, in a B mode memory 14a, a Doppler mode memory 14b and an M mode memory 14c separately in each mode through a mode image editing control part 16. For instance, when it is desired to observe mainly a B mode image 32, a Doppler mode image 34 and character data 35, 36 in the same display 7, when the priority of a window is set in order of the Doppler mode image 34 > the B mode image 32 > the M mode image 33, and the B mode image 32 is moved in parallel in the left direction of a screen, and the M mode image 33 is reduced, even if an image and a display item increase, these display items do not become a fault to a diagnosis.

Description

Detailed Description of the Invention [Object of the Invention] (Industrial Application Field) The present invention relates to an ultrasonic diagnostic apparatus that displays a B-mode image, a 1M-mode image, and a Doppler mode image of a subject on the same display, and particularly relates to The present invention relates to an ultrasonic diagnostic apparatus in which editing contents such as parallel movement, 9-rotation movement, and enlargement (reduction) can be set.

(Prior Art) In a sector electronic scanning ultrasound diagnostic device, B-mode scanning and Doppler mode scanning are performed alternately in synchronization with rate pulses, and B-mode data (and M mode data) and Doppler mode data are collected, and as shown in FIG. 12, a B-mode image (tomographic image) 42,
Images such as an M mode image 43 and a Doppler mode image (Doppler spectrum) 44, and character data 4 at the same time as these images.
5.46 (shaded area in the figure) is displayed.

(Problems to be Solved by the Invention) By the way, in the conventional ultrasonic diagnostic apparatus, the B-mode image (
images such as a tomographic image) 42, an M mode image 43, a Doppler mode image (Doppler spectrum) 44, and the character data 45.
When the number of display items such as 46 increases, they overlap (see B-mode image 42 and character data 46 in Figure 12), making it difficult to read the data especially when taking photographs, which becomes an obstacle to diagnosis. be.

The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide an ultrasonic diagnostic apparatus in which even if the number of images and display items increases, these display items do not interfere with diagnosis.

[Configuration of the Invention (Means for Solving the Problems)] In order to achieve the above object, the present invention converts an echo signal obtained by transmitting ultrasonic waves to a subject into B-mode data,
Collected as M-mode data and Doppler mode data,
In an ultrasonic diagnostic apparatus that displays a B mode image, an M mode image, and a Doppler mode image on the same display, a mode image that enables editing of the B mode image, M mode image, and Doppler mode image displayed on the same display. The feature is that an editing means is provided.

(Function) The mode image editing means allows parallel movement, two rotations, and enlargement (
You can set the editing contents such as reduction), so you can set the editing contents such as
Mode images and Doppler mode images can be edited so as not to impede diagnosis.

(Example) Hereinafter, the present invention will be specifically explained with reference to Examples.

FIG. 1 is a block diagram of an ultrasonic diagnostic apparatus according to an embodiment of the present invention, and FIG. 2 is a block diagram for explaining the configuration of mode image editing means.

This ultrasonic diagnostic apparatus includes an ultrasonic probe 1. Transmission/reception circuit 2
．． Transmission/reception control circuit 4. Detection circuit 3DSC (digital)
Scan converter) 6°D S'C control circuit 5. Operation console 8. Input processing circuit 9° system controller 10.
It comprises a graphic memory 11, mode image editing means 122, composition means 139 and display means 7.

The ultrasonic probe 1 is made up of a plurality of ultrasonic transducers arranged in an array, and transmits and receives ultrasonic waves toward a subject (not shown).

The transmitter/receiver circuit 2 includes an oscillator 8 that generates a rate pulse; a transmission delay circuit that delays the rate pulse; a pulser that excites the ultrasound transducer based on the output of this delay circuit; and a pulser that delays reflected echoes from the subject. reception delay circuit,
It includes an adder circuit for adding up the outputs of the delay circuits, and is under the control of the transmission/reception control circuit 4.

The detection circuit 3 takes in the output (received echo) of the transmitter/receiver circuit 2 and performs amplitude detection to obtain a B-mode image of the subject, and its output is transmitted to the D
It is designed to be taken into SC6.

DSC6 is mainly composed of frame memory, and
It is under the control of the SC control circuit 5. The image information in the frame memory is transmitted to the display means 7 as a B-mode image, an M-mode image, and a Doppler mode image via the synthesizing means 8, and is displayed as a window.

The operation console 8 is used by an operator to input operation commands and processing conditions for the apparatus of this embodiment, and includes various switches, a touch panel, a trackball, and the like. In particular, in the apparatus of this embodiment, it is possible to input editing content setting information as desired either in advance or during operation.

The input processing circuit 9 forms editing contents according to setting information input through the console 8.

Further, character data and the like inputted through the console 8 are stored in the graphic memory 11 and transferred to the display means 7 via the synthesis means 13 for display.

Further, as shown in FIG. 2, the mode image editing means 12 includes a preset means 14 that can arbitrarily set editing contents in advance, and a manual means 1 that can arbitrarily set editing contents during operation.
5, and is under the control of the mode image editing control section 16.

The presetting means 14 is configured such that the input processing circuit 9 is connected to the operation console 8.
A B-mode memory 14a1 and a Doppler mode memory 14b store the edited contents formed according to the setting information inputted by each mode via the mode image editing control section 16.
and an M mode memory 14c.

The manual means 15 includes a B-mode memory 15a1 and a Doppler mode memory 15b, which store the editing contents formed by the input processing circuit 9 according to the setting information inputted from the operation console 8 for each mode via the mode image editing control section 16.
and an M mode memory 15c.

The system controller 10 is in charge of controlling the entire operation of the apparatus of this embodiment, and is mainly composed of a CPU (central processing unit). Transmission/reception control circuit 4, DSC control circuit 5. Input processing circuit 9. The graphic memory 11 and mode image editing means 12 are under the control of this system controller 10.

Next, the editing contents of each of the above-mentioned means will be explained.

(2) The editing contents of the preset means 14 will be explained.

■When displaying dark images in areas where images (windows) and text overlap.

A calculation is performed to determine whether character (pixel unit) coordinates in the CPU and image coordinates overlap, and an overlap is detected.

If an overlap is detected, an offset is given to the gradation level of the image display in that area to shift it to black. The offset value to be given is for each memory 14a, 14b.

Put it in 14c.

■When moving an image so that it does not overlap with added comments (text data, etc.).

In the comment adding mode, the same calculation as in ■ is performed, and when an overlap is detected, the symmetrical image window is moved in parallel by the area of character pixels (the unit of movement is one row and one column).

At this time, when the images overlap, priority is given to the image (window) that will not be moved, but when overlapping, the image that will not be moved is given priority by changing the data in the CPU through the input processing circuit based on the input from the console. It is also possible to reverse the rights.

■When displaying the display screen based on preset contents only when taking photos.

Although CPU calculations are performed to implement the above ■ and ■ and the presets (for convenience, referred to as ■) created by users (mainly laboratory technicians, doctors, etc.) as described below, I) the SC control circuit 5 has No signal is sent, and the preset contents are displayed in synchronization with the shutter of the photograph, and the display continues for a certain period of time (for example, about 3 seconds) after the photograph is taken, and then returns to the normal display state.

The editing contents (■ to ■) of the presets mentioned above are as described in B.
Settings are stored for each mode in the mode memory 14a1, Doppler mode memory 14b, and M mode memory 14c, respectively.

The flow of preset settings is shown in FIG.

First, it is determined whether or not the preset editing contents are set in ■, ■, and ■. (ST21).

In the case of 0FF), the display screen is not edited, and images in each mode are displayed at predetermined positions and in predetermined conditions.

If yes (ON), please refer to ■ and ■ above.

In addition to ■, it is determined whether or not there is a preset editing content setting in ■ (ST22), and if there is no setting in ■ (0FV), the display screen is edited according to the preset editing content in ■, ■, and ■. .

In the case of presence (ON), the display screen is edited according to the preset editing contents of the combination of ■ and ■, the combination of ■ and ■, and the combination of ■ and ■. Set as above,
By changing the settings of the preset editing contents singly or in combination, for example, by operating the console 8, the display screen of the display means 7 is edited in accordance with the editing contents.

(2) The editing contents of the manual means 15 will be explained. Furthermore, the user can arbitrarily move (edit) the image while viewing the screen of the display means. Furthermore, as shown in FIG. 4, the basic coordinate plane (
x, y), the wind plane (x, y) of each image
Set. In addition, subscripts rBJ, rDJ, r in the figure
MJ indicates B mode, M mode, and Doppler mode, and the suffix "'(dash)" indicates the destination.

■In case of parallel movement.

As shown in FIG. 4(a), a reference point P. Move to moving point P.

■For rotational movement.

As shown in FIG. 4(b), the angle θ is centered around the reference point P2.
Rotate.

■When enlarging (reducing).

As shown in Fig. 4(C), it is enlarged (
to shrink.

Next, the operation of the above-mentioned manual means 15 will be explained with reference to FIGS. 5 to 9.

Figure 5 is a flowchart showing the move (edit) procedure;
FIG. 6 is a plan view showing the display means, FIG. 7 is a plan view showing the operation console, and FIGS. 8 and 9 are views for explaining the display state of the touch panel, respectively.

First, the operator activates the movement mode (ST1). At this time, the edited content of the preset means is canceled. Next, a marker M whose position can be controlled with the trackball 8a appears, and a display as shown in FIG. 8 appears on the touch panel 8b. Next, the operator presses the predetermined key 17 (displayed as parallel in the figure), the predetermined key 18 (displayed as rotation in the figure), and the predetermined key 19 (displayed as zoom (in the figure)) of the touch panel 8b. Enlarge (reduce)]
) (displayed) (ST2 to 5T5)
. At this time, for example, the brightness of the switch changes, and then any settings are made using the trackball, keyboard, etc. This setting is calculated by the system controller 10 (ST6), and stored in the B mode memory 15a1, Doppler mode memory 15b, and M mode memory 15c of the manual means 15 via the mode image editing control section 16. (ST7) is transmitted to the display means 7 via the DSC control circuit 5 and the composition means 13 and displayed (ST8
).

After that, decide whether or not to finish the setting (5T9), and if you want to set it again, press the specified key 21 (Move M in the figure).
This becomes possible by pressing the button (displayed as ode), and the process returns to ST2.

If you want to exit as is, press the specified key 20 (SET in the figure).
END) is pressed, this predetermined key 20 is pressed.
is displayed to end the setting (for example, the Move button is not shown).
(Mode END, etc.), and it is determined whether or not the edited content of the manual means 15 is to be registered in the preset means 14 (ST11). If not registered, press the button again to end the setting (STIO).

To register, press the predetermined key 22 (indicated as PreSET in the figure), the display on the touch panel 8b changes as shown in Fig. 9, follow the cursor 23 shown in the figure, input the file name, Key 24 (ENTE in the diagram)
) is pressed, and via the image editing control section 16,
It is stored and registered at a predetermined address in each mode-specific memory of the B-mode memory 14a, M-mode memory 14c, and Doppler mode memory 14b of the presetting means 14 (
ST12). The edited contents stored and registered are the presets (marked as ■ for convenience) created by the users (mainly laboratory technicians, doctors, etc.) mentioned above, and can be set even after the device is started up. Settings can be made even before startup.

When this setting is completed, press the specified key 25 (SET in the figure).
END (displayed as END) is pressed to return to the screen shown in FIG. 8 and determine whether to continue (ST13). At this time,
The predetermined key 20 changes to a display to end the setting (for example, MoveMode END, etc., although not shown), and if you do not want to continue, press this to end the setting (STIO
).

To continue, return to ST2. Note that 26 in the figure is a predetermined key for canceling the coordinate calculation settings (C in the figure).
27 is a predetermined key that displays the window in which the marker M exists, and it is possible to set the movement of this displayed window (when this predetermined key 27 is pressed, the windows overlap) is reversed), 28
is a predetermined key for deleting a stored and registered file (displayed as DEL in the figure).

When the operation of the manual means 15 is completed, the display means 7
returns to the screen based on the editing content of the preset means 14 that was initially set.

In this way, in the apparatus of this embodiment, the B mode image, M mode image, and Doppler mode image displayed on the same display can be edited by the preset means and the manual means. As shown, on the same display 7, a B mode image 32, a Doppler mode image 34, and character data 35, 36 (shaded areas in the figure)
When you want to observe mainly Then, even if the number of images and display items increases,
These display items do not interfere with diagnosis. Also, the first
As shown in Figure 1, if the B-mode image 32 is rotated and the examination condition (positional relationship) is emphasized, the number of images and display items will increase, for example, when displaying a tomogram under the right costal arch. However, these display items do not interfere with diagnosis.

Although one embodiment of the present invention has been described above, it goes without saying that the present invention is not limited to the above-mentioned embodiment, and that various modifications can be made.

For example, although the above embodiment has been described with a configuration in which both a preset means and a manual means are provided, a configuration in which either one of them is provided may be used.

[Effects of the Invention] As described above, according to the present invention, even if the number of images and display items increases, it is possible to provide an ultrasonic diagnostic apparatus in which these display items do not interfere with diagnosis.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an ultrasonic diagnostic apparatus according to an embodiment of the present invention, FIG. 2 is a block diagram for explaining the configuration of mode image editing means, FIG. 3 is a flowchart showing the flow of preset settings, and FIG. Figure 4 is a diagram for explaining the editing contents of the manual means, and Figure (a) is a diagram showing parallel movement;
Fig. 5(b) is a diagram showing rotational movement, Fig. 5(c) is a diagram showing enlargement (reduction), Fig. 5 is a flowchart showing the movement (editing) procedure, and Fig. 6 is a plan view showing the display means. , FIG. 7 is a plan view showing the operation console, FIGS. 8 and 9 are diagrams for explaining the display state of the touch panel, and FIGS. 10 and 11 are diagrams to which one embodiment of the present invention is applied, respectively. FIG. 12 is a diagram for explaining a conventional example. 7...Display means, 8...Operation console, 9...Input processing circuit, 11...Graphic memory, 12...Mode image editing means, 14...Preset means, 15...Manual means,
14a, 15a-B mode memory, 14b, 15b... Doppler mode memory, 14c,
15 c-M mode memory, 16... mode image editing control section.

Claims (4)

[Claims] (1) Collect echo signals obtained by transmitting ultrasound to the subject as B-mode data, M-mode data, and Doppler mode data, and display B-mode, M-mode, and Doppler-mode images on the same display. 1. An ultrasonic diagnostic apparatus that displays a mode image, comprising mode image editing means that enables editing of a B mode image, an M mode image, and a Doppler mode image displayed on the same display. (2) The ultrasonic diagnostic apparatus according to claim 1, wherein the mode image editing means has a preset means that allows editing contents to be arbitrarily set in advance. (3) The ultrasonic diagnostic apparatus according to claim 1, wherein the mode image editing means includes manual means that allows editing contents to be arbitrarily set during operation. (4) The mode image editing means has a preset means that can arbitrarily set editing contents in advance, and a manual means that can arbitrarily set editing contents during operation. Ultrasound diagnostic equipment.