JP2016086880A - Ultrasound image display apparatus and control program therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ultrasound image display apparatus capable of displaying an ultrasound wave image of two cross sections which intersect each other, without requiring proficiency of the operator.SOLUTION: The ultrasound image display apparatus comprises: a first display control unit for displaying a two-dimensional B mode image BI based on echo signals of ultrasound waves; a straight line setting unit for setting a straight line in the B mode image BI; a second display control unit for displaying an orthogonal cross-sectional image OI positioned at a relation intersecting a cross section of the B mode image, which orthogonal cross-sectional image is formed by arranging, in one direction in a display unit based on the position of an ultrasound wave probe in an azimuth direction detected by a sensor, data of the B mode image in a portion corresponding to the straight line, which data is the data of the B mode image relating to a plurality of cross sections obtained by moving the ultrasound probe in a direction intersecting the azimuth direction.SELECTED DRAWING: Figure 14

Description

  The present invention relates to an ultrasonic image display device that displays ultrasonic images of two cross sections orthogonal to each other, and a control program therefor.

  In ultrasonic inspection using an ultrasonic image display device, in order to grasp the shape of the observation object three-dimensionally or to perform more accurate measurement on the observation object, two cross-sectional ultrasonic images intersecting each other There is a need to observe. For example, in order to display two cross-sectional ultrasonic images that intersect each other using an ultrasonic probe in which ultrasonic transducers are arranged in one direction, such as a 1D array probe, the following method is used. First, ultrasonic waves are transmitted and received on a certain section of the subject to display an ultrasonic image. Next, the direction of the ultrasonic probe is rotated around, for example, the central portion of the ultrasonic probe in the azimuth direction, and ultrasonic waves are transmitted and received on a cross section intersecting the cross section to display an ultrasonic image. . Thereby, the ultrasonic image of the two cross sections which mutually cross | intersect can be displayed. However, it is not easy to rotate the ultrasonic probe around a certain part of the ultrasonic probe, and skill is required.

  As an ultrasonic probe capable of displaying two cross-sectional ultrasonic images intersecting each other without requiring skill of the operator, for example, as disclosed in Patent Document 1, an ultrasonic transducer is disclosed. Are 2D array probes arranged in a two-dimensional direction. Patent Document 2 discloses an ultrasonic probe in which ultrasonic transducers are arranged in two directions orthogonal to each other.

  In the ultrasonic probes described in these Patent Documents 1 and 2, ultrasonic transducers are arranged so that ultrasonic waves can be transmitted and received with respect to two cross sections intersecting each other. For this reason, since the ultrasonic image about two cross sections which mutually cross | intersect can be displayed, without changing the direction of an ultrasonic probe, an operator's skill level is not requested | required.

JP 2011-188956 A JP2013-48900A

  However, 2D array probes are large, heavy and expensive. In addition, the ultrasonic probe described in Patent Document 2 has a special shape and is heavy. Therefore, these ultrasonic probes are not suitable for ultrasonic inspections that do not display two cross sections, although the skill level of the operator is not required to display ultrasonic images of two cross sections that intersect each other. . Therefore, even if an ultrasonic probe such as a 1D array probe in which ultrasonic transducers are not arranged so that ultrasonic waves can be transmitted and received with respect to two cross sections intersecting each other, the skill level of the operator is required. Therefore, there is a demand for an ultrasonic image display device and a control program therefor that can display ultrasonic images of two cross sections intersecting each other.

  One aspect of the invention made to solve the above-described problems is an ultrasonic probe that transmits and receives ultrasonic waves to and from a subject, a sensor for detecting the position of the ultrasonic probe, and the ultrasonic wave A first display control unit configured to display a two-dimensional first ultrasonic image based on an ultrasonic echo signal received by the probe; a straight line setting unit configured to set a straight line in the first ultrasonic image; and the ultrasonic probe. Is data of the first ultrasonic image for a plurality of cross sections acquired by moving in a direction intersecting the azimuth direction of the ultrasonic probe, and the first ultrasonic image in a portion corresponding to the straight line Is arranged in one direction on the display unit based on the position of the ultrasonic probe in the direction intersecting the azimuth direction detected by the sensor. And a second display control unit that displays a second ultrasonic image that is an image of a cross-section located in a relationship intersecting the cross-section of the first ultrasonic image. This is an ultrasonic image display device.

  According to the invention of the above aspect, the first ultrasonic image of the plurality of cross-sections acquired by moving the ultrasonic probe in a direction intersecting the azimuth direction is displayed. The first ultrasonic image data in the portion corresponding to the straight line is unidirectionally displayed on the display unit based on the position of the ultrasonic probe in the direction intersecting the azimuth direction detected by the sensor. The second ultrasonic image formed and arranged is displayed. Accordingly, it is possible to display the first ultrasonic image and the second ultrasonic image for cross sections intersecting each other without changing the direction of the ultrasonic probe.

It is a block diagram which shows an example of schematic structure of the ultrasonic diagnosing device in embodiment of this invention. It is a block diagram which shows the structure of an echo data processing part. It is a block diagram which shows the structure of a display process part. It is a flowchart which shows the effect | action of embodiment. It is a figure explaining transmission / reception of an ultrasonic wave. It is a figure explaining the state in which the ultrasonic probe is moved and the transmission / reception of the ultrasonic wave with respect to the long-axis cross section of the blood vessel is performed. It is explanatory drawing which looked at the state of FIG. 6 from the Z-axis direction. It is a figure which shows the display part on which the B mode image was displayed. It is a figure which shows the display part by which the straight line was set to the B mode image. It is a figure explaining the movement of the ultrasonic probe after the two-screen display mode start. It is a key map showing B mode data about a plurality of sections. It is a figure explaining the distance between the transmission / reception surfaces of adjacent B mode data. It is a figure explaining the code | symbol of the distance between the transmission / reception surfaces of adjacent B mode data. It is a figure which shows the display part on which the orthogonal cross-section image was displayed with the B mode image. It is a conceptual diagram which shows orthogonal cross-section image data. It is a figure explaining that an orthogonal cross-sectional image is updated whenever the B mode image about a new transmission / reception surface is displayed. It is a figure which shows the display part of the state by which the ultrasonic probe moved from the state shown in FIG. 16, and the orthogonal cross-section image was updated. Furthermore, it is a figure which shows the display part of the state by which the ultrasonic probe moved from the state shown in FIG. 17, and the orthogonal cross-section image was updated. It is a block diagram which shows an example of schematic structure of the ultrasonic diagnosing device in the other example of embodiment of this invention. It is a block diagram which shows the structure of an echo data processing part. It is a figure explaining the other example of the moving direction of an ultrasonic probe. It is a conceptual diagram which shows B mode data based on the echo signal acquired by the ultrasonic probe moving to the direction shown in FIG. It is a conceptual diagram which shows the cross section of the direction which cross | intersects the cross section of a B mode image, and the cross section of this B mode image. The figure explaining the data in the part corresponded to the part which projected the part equivalent to the straight line of the B mode data in the transmission / reception surface of a reference position with respect to the B mode data in another transmission / reception surface in the direction along an elevation direction. It is.

  Embodiments of the present invention will be described below with reference to the drawings. Here, an ultrasonic diagnostic apparatus will be described as an example of the ultrasonic image display apparatus according to the present invention. An ultrasonic diagnostic apparatus 1 illustrated in FIG. 1 includes an ultrasonic probe 2, a transmission / reception beam former 3, an echo data processing unit 4, a display processing unit 5, a display unit 6, an operation unit 7, a control unit 8, and a storage unit 9.

  The ultrasonic probe 2 includes a plurality of ultrasonic transducers that transmit ultrasonic waves to a subject and receive echo signals thereof. The ultrasonic probe 2 is an ultrasonic probe in which the ultrasonic transducers are arranged in one direction (azimuth direction), for example, an ultrasonic probe called a 1D probe, a 1.5D probe, or a 1.75D probe. .

  The ultrasonic probe 2 is provided with the magnetic sensor 10 composed of, for example, a Hall element. The magnetic sensor 10 may be provided inside a casing constituting the ultrasonic probe 2 or may be attached to the ultrasonic probe 2 via a bracket. The magnetic sensor 10 is provided to detect the position and inclination of the ultrasonic probe 2 as will be described later. The magnetic sensor 10 is an example of an embodiment of a sensor in the present invention.

  The magnetic sensor 10 detects the magnetism generated from the magnetism generating unit 11 constituted by, for example, a magnetism generating coil. A detection signal in the magnetic sensor 10 is input to the echo data processing unit 4. The detection signal in the magnetic sensor 10 may be input to the echo data processing unit 4 via a cable (not shown), or may be input to the echo data processing unit 4 wirelessly.

  The ultrasonic probe 2 is provided with an operation button 12. The operator can input a predetermined instruction by pressing the operation button 12. Details will be described later. The operation button 12 is an example of an embodiment of an input unit in the present invention.

  The transmission / reception beam former 3 supplies an electrical signal for transmitting an ultrasonic wave from the ultrasonic probe 2 under a predetermined scanning condition to the ultrasonic probe 2 based on a control signal from the control unit 8. The transmission / reception beamformer 3 performs signal processing such as phasing addition processing on the echo signal received by the ultrasonic probe 2 with a predetermined reception parameter, and the echo data after the signal processing is transmitted to the echo data processing unit 4. Output to.

  As shown in FIG. 2, the echo data processing unit 4 includes a first data creation unit 41, a position calculation unit 42, and a second data creation unit 43. The first data creation unit 41 performs signal processing for creating an ultrasound image on the echo data output from the transmission / reception beamformer 3 to create first data. In this example, the first data creation unit 41 performs the B mode process to create the first data. The B mode processing includes logarithmic compression processing, envelope detection processing, and the like. The first data obtained by the B-mode process is B-mode data.

  Based on the magnetic detection signal from the magnetic sensor 10, the position calculation unit 42 is information (hereinafter referred to as the position and inclination) of the ultrasonic probe 2 in a three-dimensional space coordinate system with the magnetic generation unit 11 as an origin. (Referred to as “probe position information”). Further, the position calculation unit 42 may calculate position information (position information of the ultrasonic image) of the echo signal in the coordinate system based on the probe position information.

  The second data creation unit 43 creates second data based on the first data. The second data is data about a cross section located in a crossing relationship with the cross section from which the first data is obtained. In this example, it is data (orthogonal cross-section data) about a cross-section located in an orthogonal relationship with the cross-section from which the first data was obtained. Details will be described later.

  As shown in FIG. 3, the display processing unit 5 includes a first display control unit 51, a second display control unit 52, and a straight line setting unit 53. The first display control unit 51 scan-converts the first data by a scan converter to create first ultrasonic image data. Then, the first display control unit 51 causes the display unit 6 to display a first ultrasonic image based on the first ultrasonic image data. Since the first data is B-mode data, the first ultrasonic image data is B-mode image data, and the first ultrasonic image is a B-mode image. The first display control unit 51 is an example of an embodiment of a first display control unit in the present invention.

  The second display control unit 52 scan-converts the second data with a scan converter to create second ultrasonic image data. Then, the second display control unit 52 causes the display unit 6 to display a second ultrasonic image based on the second ultrasonic image data. The second ultrasonic image is an image of a cross section located in a relationship intersecting the cross section of the first ultrasonic image. In this example, the second ultrasonic image is an orthogonal cross-sectional image of a cross-section located in an orthogonal relationship with the cross-section of the first ultrasonic image. The second ultrasonic image data is orthogonal cross-sectional image data. The second display control unit 52 is an example of an embodiment of a second display control unit in the present invention.

  The first data before the scan conversion to the first ultrasonic image data and the second data before the scan conversion to the second ultrasonic image data are referred to as raw data.

  The straight line setting unit 53 sets a straight line in the first ultrasonic image. The straight line setting unit 53 sets the straight line based on an input by the operator in the operation unit 7. The straight line setting unit 53 is an example of an embodiment of a setting unit in the present invention.

  The display unit 6 is an LCD (Liquid Crystal Display), an organic EL (Electro-Luminescence) display, or the like. The display unit 6 is an example of an embodiment of a display unit in the present invention.

  Although not particularly illustrated, the operation unit 7 includes a keyboard, a dial, a pointing device, and the like for an operator to input instructions and information.

  The control unit 8 is a processor such as a CPU (Central Processing Unit). The control unit 8 reads the program stored in the storage unit 9 and controls each unit of the ultrasonic diagnostic apparatus 1. For example, the control unit 8 reads a program stored in the storage unit 9 and causes the functions of the transmission / reception beamformer 3, the echo data processing unit 4, and the display processing unit 5 to be executed by the read program. . The control unit 8 is an example of an embodiment of a processor in the present invention.

  The control unit 8 executes all the functions of the transmission / reception beamformer 3, all of the functions of the echo data processing unit 4, and all of the functions of the display processing unit 5 by a program. Alternatively, only some functions may be executed by a program. When the control unit 8 executes only some functions, the remaining functions may be executed by hardware such as a circuit.

  The functions of the transmission / reception beamformer 3, the echo data processing unit 4, and the display processing unit 5 may be realized by hardware such as a circuit.

  The storage unit 9 is an HDD (Hard Disk Drive), a semiconductor memory such as a RAM (Random Access Memory), and a ROM (Read Only Memory). The ultrasonic diagnostic apparatus 1 may include all of the HDD, the RAM, and the ROM as the storage unit 9. The storage unit 9 may be a portable storage medium such as a CD (Compact Disk) and a DVD (Digital Versatile Disk).

  The program executed by the control unit 8 is stored in a non-transitory storage medium such as an HDD or a ROM. The program may be stored in a non-transitory storage medium having portability such as a CD (Compact Disk) and a DVD (Digital Versatile Disk).

  Now, the operation of the ultrasonic diagnostic apparatus 1 of this example will be described based on the flowchart of FIG. First, in step S1, transmission / reception of ultrasonic waves is started with respect to a subject in a coordinate system in a three-dimensional space with the magnetic generator 11 as an origin. For example, the operator starts transmission / reception of ultrasonic waves by bringing the ultrasonic probe 2 into contact with the body surface S of the subject as shown in FIG. Thereby, the display unit 6 starts displaying the B-mode image. In FIG. 5, the symbol P indicates an ultrasonic wave transmitting / receiving surface. Reference sign BL indicates a blood vessel.

  Incidentally, in FIG. 5, the X-axis direction is the azimuth direction, and the Z-axis direction is the elevation direction.

  Next, in step S2, the operator moves the ultrasonic probe 2 as shown in FIGS. 6 and 7 while viewing the B-mode image, and as shown in FIG. A B-mode image BI of the long-axis cross section (transmission / reception surface P) is displayed. This B-mode image BI is a first ultrasonic image. The B-mode image BI is a two-dimensional image.

  Next, in step S3, the operator performs input for starting the two-image display mode (mode). This two-image display mode is a mode in which the orthogonal cross-sectional image is displayed together with the B-mode image BI. The operator performs an input for starting the two-image display mode by pressing the operation button 12, for example. By using the operation button 12, the operator can easily perform input even during transmission / reception of ultrasonic waves.

  In step S3, the operator performs input for setting a straight line L in the B-mode image BI as shown in FIG. The straight line L extends in the sound ray direction of the ultrasonic wave. For example, the operator performs input for setting the straight line L in the operation unit 7. For example, the operator first performs an input to display the straight line L on the B-mode image BI in the operation unit 7. When this input is made, the straight line setting unit 53 displays the straight line L on the B-mode image BI. Next, when the operator performs an input to move the straight line L using a trackball or the like of the operation unit 7, the straight line setting unit 53 moves the straight line L in the B-mode image BI. Then, when the operator performs an input for determining the position of the straight line L in the operation unit 7, the position of the straight line L is determined.

  An input for displaying the straight line L or confirming the position may be performed by pressing the operation button 12. In this case, the contents of the input may be distinguished by the number of times the operation button 12 is pressed or a long press.

  Next, in step S4, an orthogonal cross-sectional image is displayed on the display unit 6. The orthogonal cross-sectional image is displayed when the operator moves the ultrasonic probe 2 in a direction along the elevation direction (a direction orthogonal to the azimuth direction). For example, as shown in FIG. 10, the operator translates the ultrasonic probe 2 from side to side with a state where the ultrasonic transmission / reception surface P is at a position passing through the center of the blood vessel BL as a movement start position (FIG. 10). Arrow direction). The ultrasonic probe 2 moves while transmitting and receiving ultrasonic waves. The movement start position is the position of the ultrasonic probe 2 when the input for starting the two-image display mode is performed or the position of the ultrasonic probe 2 when the input for setting the straight line L is performed.

  Incidentally, the movement start position is a reference position of a distance to be described later, and the input for starting the two-screen display mode or the input for setting the straight line L is an input of the embodiment for setting the reference position in the present invention. It is an example.

  By transmitting and receiving ultrasonic waves while the ultrasonic probe 2 moves in parallel, as shown in FIG. 11, B-mode data BD for a plurality of cross sections is obtained. Here, B mode data BD0 to BD4 for five cross sections are shown. The B mode data BD0 is data at the movement start position. The B mode data BD1, BD2, BD3 and BD4 are acquired in this order. The B mode data BD0 to BD4 is an example of an embodiment of data of the first ultrasonic image in the present invention.

  However, for convenience of explanation, five B-mode data BD0 to BD4 are shown here, but the number of obtained B-mode data is not limited to this. In FIG. 11, the B-mode data BD is shown as a rectangle for convenience of explanation. In addition, the intervals between the cross sections are exaggerated for easy viewing.

  The position calculation unit 42 calculates position information in the three-dimensional space of the ultrasonic probe 2 from which each of the B mode data BD0 to BD4 is acquired based on the detection signal of the magnetic sensor 10. The B-mode data BD0 to BD4 have corresponding position information calculated by the position calculation unit 42.

  The second data creation unit 43 creates orthogonal cross-section data OD based on data ld0 to ld4 in a portion corresponding to the straight line L of each of the B mode data BD0 to BD4. The orthogonal cross-section data OD includes information on the distance between transmission / reception surfaces of adjacent B-mode data BD.

  This will be described in more detail. Each of the B mode data BD0 to BD4 is associated with position information of the ultrasonic probe 2 in the three-dimensional space. The second data creation unit 43 uses this position information, as shown in FIG. 12, for the distance d1 between the transmission / reception surface P0 of the B-mode data BD0 and the transmission / reception surface P1 of the B-mode data BD1, B The distance d2 between the transmission / reception surface P1 of the mode data BD1 and the transmission / reception surface P2 of the B-mode data BD2, the distance d3 between the transmission / reception surface P0 of the B-mode data BD0 and the transmission / reception surface P3 of the B-mode data BD3, B A distance d4 between the transmission / reception surface P3 of the mode data BD3 and the transmission / reception surface P4 of the B-mode data BD4 is calculated. The distances d1 to d4 are distances in a direction along the elevation direction of the ultrasonic probe 2.

  It is assumed that the B mode data BD1 has information on the distance d1. It is assumed that the B mode data BD2 includes information on the distance d2. The B mode data BD3 includes information on the distance d3. It is assumed that the B mode data BD4 has information on the distance d4. Further, it is assumed that the B-mode data BD0 has information on the movement start position. The second data creation unit 43 includes the data ld0 having the movement start information, the data ld1 having the information about the distance d1, the data ld2 having the information about the distance d2, and the information about the distance d3. Orthogonal cross-section data OD composed of the data ld3 having the information of the data ld3 and the distance d4 is created.

  Incidentally, the information of the distances d1 to d4 has a sign. For example, as shown in FIG. 13, the position of the transmission / reception surface P0 of the B mode data BD0 that is the movement start position may be the origin O, and the right side in FIG. The position of the transmission / reception surface P0 is an example of the embodiment of the reference position in the present invention.

  The second display control unit 52 creates orthogonal section image data based on the orthogonal section data OD. And the said 2nd display control part 52 displays the orthogonal cross-section image OI on the said display part 6, as shown in FIG. 14 based on the said orthogonal cross-section image data. Based on the information on the distances d1 to d4 and the information on the movement start position, the orthogonal cross-sectional image OI is image data corresponding to the data ld0 and image data corresponding to the data ld1, as shown in FIG. ldi1, image data ldi2 corresponding to the data ld2, image data ldi3 corresponding to the data ld3, and image data ldi4 corresponding to the data ld4 of the orthogonal section image data ODi arranged in the horizontal direction on the display unit 6 It is an image. After the image data ldi0 is arranged at a predetermined position, each of the image data ldi1 to ldi4 is arranged at a position corresponding to the distances d1 to d4.

  In the orthogonal cross-section image data ODi, a process of interpolating between each of the image data ldi0 to ldi4 may be performed.

  The orthogonal cross-sectional image OI is displayed in parallel with the B-mode image BI. The B-mode image BI is an example of an embodiment of the first ultrasonic image in the present invention. The orthogonal cross-sectional image OI is an example of an embodiment of the second ultrasonic image in the present invention.

  The second display control unit 52 may update the orthogonal cross-sectional image OI each time the first display control unit 51 displays the B-mode image BI for a new transmission / reception surface. In this case, for example, as shown in FIG. 16, first, an image of the image data ldi0 is displayed as the orthogonal cross-sectional image OI. Then, as the ultrasonic probe 2 moves, as shown in FIGS. 17 and 18, data in a portion corresponding to the straight line L in the B mode data BD corresponding to the B mode image BI displayed on the display unit 6. Based on the above, the orthogonal cross-sectional image OI is updated. This orthogonal cross-sectional image OI is an image based on data in a portion corresponding to the straight line L in the B-mode data BD corresponding to the B-mode image BI before update. It is an image displayed with the display position specified. In FIG. 17, the right end portion of the orthogonal cross-sectional image OI is an image based on the updated data. In FIG. 18, the left end portion of the orthogonal cross-sectional image OI is an image based on the updated data.

  According to this example, the operator simply translates the ultrasonic probe 2 in the direction along the elevation direction without changing the orientation of the ultrasonic probe 2, and displays the orthogonal cross-sectional image OI. Can be displayed. Therefore, it is possible to display B-mode images having two cross sections orthogonal to each other without requiring skill of the operator.

  As mentioned above, although this invention was demonstrated by the said embodiment, of course, this invention can be variously implemented in the range which does not change the main point. For example, instead of the magnetic sensor 10, an acceleration sensor 20 may be provided in the ultrasonic probe 2 as shown in FIG. In this case, the echo data processing unit 4 includes a distance calculation unit 44 instead of the position calculation unit 42 as shown in FIG. The distance calculation unit 44 calculates the distance between the transmission / reception surfaces of the adjacent B mode data BD0 to BD4 based on the detection signal of the acceleration sensor 20. The orthogonal cross-sectional image OI is an image in which the image data ldi0 to ldi4 are arranged based on the distance calculated by the distance calculation unit 44.

  In addition, the orthogonal display image data may be created by the second display control unit 52 from data of a portion corresponding to a straight line of B-mode image data for a plurality of cross sections. In this case, the B-mode image data is an example of an embodiment of data of the first ultrasonic image in the present invention.

  In step S4, the ultrasonic probe 2 moves in one direction along the elevation direction around the reference position and in the other direction opposite to the one direction. However, the ultrasonic probe 2 may move only in one direction.

  In step S4, the ultrasonic probe 2 moves in the direction along the elevation direction. However, the present invention is not limited to such a case. The ultrasonic probe 2 may be moved so that ultrasonic image data of a plurality of cross sections is acquired in a direction along the elevation direction. In other words, the ultrasonic probe 2 may be moved in a direction intersecting the azimuth direction. For example, as shown in FIG. 21, the ultrasonic probe 2 moves in a direction having a predetermined angle with respect to the direction along the elevation direction, thereby acquiring ultrasonic image data of a plurality of cross sections. May be. In this case, if the ultrasonic image data is B-mode data BD0 to BD4, the acquisition positions of the data ld0 to ld4 in the portion corresponding to the straight line L are along the elevation direction as shown in FIG. They are arranged in a direction having a predetermined angle with respect to the direction (the moving direction of the ultrasonic probe 2). Therefore, the second ultrasonic image created based on the data ld0 to ld4 is not an image (orthogonal cross-sectional image) about a cross section orthogonal to the cross section of the B-mode image BI, but as shown in FIG. It is image CI (illustration omitted) about the cross section Pci of the direction which cross | intersects the cross section Pbi of B mode image BI.

  As shown in FIG. 22, when the B mode data BD0 to BD4 are acquired in this order, the transmission / reception surface P0 from which the B mode data BD0 is acquired and the transmission / reception surface from which the B mode data BD1 is acquired. The distance d1 between P1, the distance d2 between the transmission / reception surface P1 from which the B-mode data BD1 is acquired and the transmission / reception surface P2 from which the B-mode data BD2 is acquired, and the B-mode data BD2 are acquired. The distance d3 between the transmission / reception surface P2 and the transmission / reception surface P3 from which the B-mode data BD3 is acquired, the transmission / reception surface P3 from which the B-mode data BD3 is acquired, and the transmission / reception surface P4 from which the B-mode data BD4 is acquired The image CI is created using the information on the distance d4 between and the information on the movement start position of the ultrasonic probe 2. When the data ld0 to ld4 are arranged in a direction having a predetermined angle with respect to the direction along the elevation direction as shown in FIG. 22, the distances d1 to d4 are directions along the elevation direction. The distance in the direction intersecting with the azimuth direction is not limited. For example, the distances d1 to d4 may be distances between the acquisition positions of the data ld0 to ld4.

  Further, as shown in FIG. 21, the ultrasonic probe 2 moves in a direction having a predetermined angle with respect to the direction along the elevation direction, thereby acquiring ultrasonic image data of a plurality of cross sections. In such a case, as shown in FIG. 22, it is limited to the case where the second ultrasonic image is created based on the data ld0 to ld4 whose acquisition positions are arranged along the moving direction of the ultrasonic probe 2. is not. For example, as shown in FIG. 24, the portion corresponding to the straight line L of the B mode data BD0 on the transmission / reception surface P0 at the reference position is in the elevation direction with respect to the B mode data BD1 to BD4 on the other transmission / reception surfaces P1 to P4. A second ultrasound image may be created based on the data ld1 to ld4 in the portion corresponding to the portion projected in the along direction and the data ld0. That is, the position corresponding to the straight line L initially set in the B mode data BD0 may be corrected in the other B mode data BD1 to BD4 by projection in a direction along the elevation direction. The position correction is performed using position information calculated based on the detection signal of the magnetic sensor 10. The second ultrasonic image created in this case is the orthogonal cross-sectional image OI.

DESCRIPTION OF SYMBOLS 1 Ultrasonic diagnostic apparatus 2 Ultrasonic probe 7 Operation part 8 Control part 10 Magnetic sensor 11 Magnetic generation part 12 Operation button 20 Acceleration sensor 51 First display control part 52 Second display control part 53 Straight line setting part

Claims (11)

An ultrasound probe that transmits and receives ultrasound to and from the subject;
A sensor for detecting the position of the ultrasonic probe;
A first display control unit for displaying a two-dimensional first ultrasonic image based on an ultrasonic echo signal received by the ultrasonic probe;
A straight line setting unit for setting a straight line in the first ultrasonic image;
Data of the first ultrasonic image for a plurality of cross sections acquired by moving the ultrasonic probe in a direction intersecting the azimuth direction of the ultrasonic probe, wherein the first ultrasonic image in a portion corresponding to the straight line One ultrasonic image data is an image formed by being arranged in one direction on the display unit based on the position of the ultrasonic probe in a direction intersecting the azimuth direction detected by the sensor, A second display control unit that displays a second ultrasonic image that is an image of a cross-section located in a crossing relationship with the cross-section of the first ultrasonic image;
An ultrasonic image display device comprising:   2. The display position of the first ultrasonic image on the straight line is set in the display unit in accordance with a distance from the reference position in a direction intersecting the azimuth direction. The ultrasonic image display device described.   The ultrasonic image display device according to claim 2, further comprising an input unit for an operator to input to set the reference position.   The ultrasonic image display apparatus according to claim 3, wherein the input unit is provided in the ultrasonic probe.   The said sensor is a magnetic sensor for detecting the magnetism which generate | occur | produces in the magnetism generation part installed in three-dimensional space, and detecting the position of the said ultrasonic probe in the said three-dimensional space. The ultrasonic image display apparatus as described in any one of 1-4.   The ultrasonic image display device according to claim 1, wherein the sensor is an acceleration sensor.   The ultrasonic image display device according to claim 1, wherein the first ultrasonic image and the second ultrasonic image are displayed in parallel on the display unit.   The ultrasonic image display device according to claim 1, wherein the straight line setting unit sets the straight line based on an input from an operator.   The ultrasonic image display apparatus according to claim 1, wherein the ultrasonic probe has a plurality of ultrasonic transducers arranged in one direction. An ultrasound probe that transmits and receives ultrasound to and from the subject;
A sensor for detecting the position of the ultrasonic probe;
A processor;
An ultrasonic image display device comprising:
The processor is
A first display control function for displaying a two-dimensional first ultrasonic image based on an ultrasonic echo signal received by the ultrasonic probe;
A straight line setting function for setting a straight line in the first ultrasonic image;
Data of the first ultrasonic image for a plurality of cross sections acquired by moving the ultrasonic probe in a direction intersecting the azimuth direction of the ultrasonic probe, wherein the first ultrasonic image in a portion corresponding to the straight line One ultrasonic image data is an image formed by being arranged in one direction on the display unit based on the position of the ultrasonic probe in a direction intersecting the azimuth direction detected by the sensor, A second display control function for displaying a second ultrasonic image that is an image of a cross-section located in a crossing relationship with the cross-section of the first ultrasonic image;
Is executed by a program. An ultrasound probe that transmits and receives ultrasound to and from the subject;
A sensor for detecting the position of the ultrasonic probe;
A processor;
A control program for an ultrasonic image display device comprising:
With the processor
A first display control function for displaying a two-dimensional first ultrasonic image based on an ultrasonic echo signal received by the ultrasonic probe;
A straight line setting function for setting a straight line in the first ultrasonic image;
Data of the first ultrasonic image for a plurality of cross sections acquired by moving the ultrasonic probe in a direction intersecting the azimuth direction of the ultrasonic probe, wherein the first ultrasonic image in a portion corresponding to the straight line One ultrasonic image data is an image formed by being arranged in one direction on the display unit based on the position of the ultrasonic probe in a direction intersecting the azimuth direction detected by the sensor, A second display control function for displaying a second ultrasonic image that is an image of a cross-section located in a crossing relationship with the cross-section of the first ultrasonic image;
A control program for an ultrasonic image display device.

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