JP2006314689A - Ultrasonic diagnostic system and its control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic system capable of always keeping an ultrasonic image collecting rate capable of visually sufficiently confirming a puncture needle and a diagnostic target in puncture treatment. <P>SOLUTION: In an appliance position data processing part, a data collecting range and a data display range are caluclated on the basis of the relative positional relation of the puncture needle and the diagnostic target. In a central control circuit, a transmitting circuit, a receiving circuit, an image constituting part, etc. are controlled so as to hold a frame rate to a definite value or above on the side of the ultrasonic diagnostic system so as to be capable of visually sufficiently confirming the puncture needle by realizing the calculated data collecting range and the data display range. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an ultrasonic diagnostic apparatus and an ultrasonic diagnostic apparatus control program capable of maintaining an ultrasonic image acquisition rate at which a puncture needle and a treatment target can be sufficiently visually recognized.

  An ultrasonic diagnostic apparatus is a medical imaging device that noninvasively obtains a tomographic image of soft tissue in a living body from a body surface by an ultrasonic pulse reflection method. Compared to other medical imaging equipment, this ultrasonic diagnostic device has features such as small size, low cost, no exposure to X-rays, high safety, blood flow imaging, etc., and the heart, abdomen, urology, Widely used in obstetrics and gynecology.

  Further, the ultrasonic diagnostic apparatus is used not only for image diagnosis but also, for example, radiofrequency ablation (RFA) as a local treatment method for hepatocellular carcinoma, biopsy for examining hepatocyte tissue, and the like. In these treatments and examinations, a puncture needle must be used to accurately puncture a site of interest such as a tumor. Therefore, by using an ultrasonic diagnostic apparatus that can monitor the region of interest and the puncture needle in real time, the path (puncture path) through which the puncture needle attached to the ultrasonic probe passes is displayed on the ultrasonic cross-sectional image. It is possible to clearly grasp where the puncture needle has entered the living body (for example, see Patent Document 1 and Patent Document 2).

In recent ultrasonic imaging apparatuses, a real-time three-dimensional display function (three-dimensional real-time display function) has been put into practical use. As the method, a mechanical 3D scanner that scans a three-dimensional data capturing area by mechanically scanning an electronic scanning type one-dimensional array transducer in a direction perpendicular to the scanning plane (mechanism 4D operation method) In addition, there is a technique that realizes scanning of a three-dimensional data capturing area (hereinafter, real-time 3D operation method) by electronic scanning using a two-dimensional ultrasonic probe in which vibration elements are two-dimensionally arranged (for example, Patent Document 3). , See Patent Document 4). With such a three-dimensional real-time display function, an operator can observe a region including a treatment target and a puncture path by a three-dimensional image or the like, and perform a puncture operation while accurately recognizing the positions of the puncture needle and the treatment target. Treatment can be performed.
JP-A-5-176922 Japanese Patent Laid-Open No. 7-116164 Japanese Patent Laid-Open No. 6-169921 JP 9-313487 A

  However, the conventional ultrasonic diagnostic apparatus used for puncture treatment has the following problems, for example.

  That is, in an ultrasonic diagnostic apparatus, it is necessary to acquire an echo signal necessary for image generation because of the characteristic that ultrasonic scanning of transmitting an ultrasonic wave and receiving the echo signal is sequentially executed for each scanning line. Time is needed. Accordingly, there is an upper limit to the ultrasonic wave collection rate (that is, the repetition period of ultrasonic scanning, also referred to as “frame rate”) that can be realized depending on the selected imaging mode and angle of view (range in which ultrasonic waves are irradiated). Real-time display may not be maintained. This problem is particularly noticeable when three-dimensional real-time display is performed. This is because the three-dimensional real-time display requires a time for performing a three-dimensional volume scan, and requires a large amount of data transfer per unit time and a time for data processing.

  The present invention has been made in view of the above circumstances. For example, in puncture such as puncture treatment and tissue sampling, an ultrasonic diagnostic apparatus capable of constantly maintaining a frame rate at which a puncture needle and a diagnosis target can be sufficiently visually confirmed. And an ultrasonic diagnostic apparatus control program.

  In order to achieve the above object, the present invention takes the following measures.

  According to a first aspect of the present invention, there is provided an ultrasonic device including a plurality of ultrasonic transducers that ultrasonically scan a subject in response to an applied drive signal and receive echo signals from a preset data collection range. An ultrasonic probe, transmission / reception means for controlling the ultrasonic transmission timing and reception timing of the plurality of ultrasonic transducers in the ultrasonic scanning, and a repetition cycle of the ultrasonic scanning, and preset among the received echo signals Image data generating means for generating image data based on an echo signal corresponding to the image data generation range to be generated, and ultrasonic waves based on image data corresponding to a preset display range among the generated image data Display means for generating and displaying an image; position information acquisition means for acquiring position information including an insertion angle and insertion length of a puncture needle inserted into the subject; The data collection range, the repetition period, the image data generation range, and the display range based on the positional relationship between the acquired position information and the predetermined part so that an image is displayed at a predetermined frame rate or higher. Determination means for determining at least one of the data collection range, the repetition period, the image data generation range, and the display range based on the determined data collection range, the repetition period, the display range, and the image An ultrasonic diagnostic apparatus comprising: data generation means; and control means for controlling at least one of the display means.

  According to a second aspect of the present invention, there is provided a program for controlling an ultrasonic diagnostic apparatus that acquires an ultrasonic image by ultrasonic scanning of a subject. A transmission / reception function for controlling the ultrasonic transmission timing and the ultrasonic reception timing in the ultrasonic scanning and the repetition period of the ultrasonic scanning so as to receive an echo signal from the preset data collection range. An image data generation function for generating image data based on an echo signal corresponding to a preset image data generation range among the echo signals, and a display range set in advance among the generated image data A display function for generating and displaying an ultrasonic image based on the image data to be displayed, and position information including an insertion angle and an insertion length of the puncture needle inserted into the subject. Based on the positional relationship between the acquired position information and the predetermined part so that the acquired position information acquisition function and the ultrasonic image are displayed at a predetermined frame rate or higher, the data collection range, the repetition period A determination function for determining at least one of the image data generation range and the display range; and at least one of the determined data collection range, the repetition period, the image data generation range, and the display range And a control function for controlling an operation in at least one of the transmission / reception function, the image data generation function, and the display function.

  As described above, according to the present invention, an ultrasonic diagnostic apparatus and an ultrasonic diagnostic apparatus control program capable of always maintaining a frame rate at which a puncture needle and a diagnosis target can be sufficiently visually recognized, for example, in puncture techniques such as puncture treatment and tissue sampling Can be realized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, components having substantially the same function and configuration are denoted by the same reference numerals, and redundant description will be given only when necessary.

  FIG. 1 shows a block diagram of an ultrasonic diagnostic apparatus 1 according to this embodiment. As shown in the figure, the ultrasonic diagnostic apparatus 1 includes an ultrasonic probe 11, a transmission circuit 12, a reception circuit 13, a signal processing unit 14, an image data generation unit 15, a memory unit 16, an image configuration unit 17, an instrument position. An information acquisition unit 18, a central control circuit 21, an appliance position information processing unit 22, a display unit 24, an operation unit 25, and a storage unit 28 are provided.

  The ultrasonic probe 11 is provided in a plurality of piezoelectric vibrators that generate ultrasonic waves at a predetermined timing based on a drive signal from the transmission circuit 12 and convert reflected waves from the subject into electric signals, and the piezoelectric vibrators. The matching layer includes a backing material that prevents the ultrasonic wave from propagating backward from the piezoelectric vibrator. When ultrasonic waves are transmitted from the ultrasonic probe 11 to the subject P, the transmitted ultrasonic waves are successively reflected by the discontinuous surface of the acoustic impedance of the body tissue and received by the ultrasonic probe 11 as an echo signal. . The amplitude of this echo signal depends on the difference in acoustic impedance at the discontinuous surface that is supposed to be reflected. In addition, the echo when the transmitted ultrasonic pulse is reflected by the moving blood flow or the surface of the heart wall depends on the velocity component in the ultrasonic transmission direction of the moving body due to the Doppler effect, and the frequency Receive a shift.

  The transmission circuit 12 includes a trigger generation circuit, a delay circuit, a pulsar circuit, and the like (not shown). In the pulsar circuit, a rate pulse for forming a transmission ultrasonic wave is repeatedly generated at a predetermined rate frequency fr Hz (period: 1 / fr second). Further, in the delay circuit, a delay time necessary for focusing the ultrasonic wave into a beam shape for each channel and determining the transmission directivity is given to each rate pulse. The trigger generation circuit applies a drive pulse to the probe 11 at a timing based on this rate pulse. The transmission circuit 12 has a function capable of instantaneously changing the ultrasonic transmission range, RPF (pulse repetition frequency), and the like in order to execute a predetermined scan sequence in accordance with an instruction from the central control circuit 14.

  The receiving circuit 13 includes an amplifier circuit, an A / D converter, an adder, and the like not shown. The amplifier circuit amplifies the echo signal captured via the probe 11 for each channel. In the A / D converter, a delay time necessary for determining the reception directivity is given to the amplified echo signal, and thereafter, an addition process is performed in the adder. By this addition, the reflection component from the direction corresponding to the reception directivity of the echo signal is emphasized, and a comprehensive beam for ultrasonic transmission / reception is formed by the reception directivity and the transmission directivity.

  The signal processing unit 14 has a B-mode processing unit and a Doppler processing unit. The B-mode processing unit receives the echo signal from the receiving circuit 13, performs logarithmic amplification, envelope detection processing, and the like, and generates data in which the signal intensity is expressed by brightness. The Doppler processing unit frequency-analyzes velocity information from the echo signal received from the receiving circuit 13, extracts blood flow, tissue, and contrast agent echo components due to the Doppler effect, and stores blood flow information such as average velocity, dispersion, and power. Ask for points.

  The image data generation unit 15 performs coordinate conversion of echo information obtained by scanning conversion processing necessary for volume rendering calculation, for example, beam scanning in a non-orthogonal coordinate system such as sector scanning into a three-dimensional orthogonal coordinate system, and data between each beam This is a DSC (digital scan converter) that performs scan conversion processing such as data interpolation on voxels having no value. Ultrasonic image data is generated by the scan conversion processing in the image data generation unit 15.

  The memory unit 16 stores the image data after the scanning line conversion process executed in the image data generation unit 15. Thus, if a three-dimensional volume scan is executed, the memory unit 16 stores echo information of each voxel in the three-dimensional data capture area corresponding to the scan. Note that the information stored in the memory unit 16 is updated each time the three-dimensional data capturing area is scanned, for example.

  The image construction unit 17 reads data corresponding to a preset range from the memory unit 16 and executes various image processing such as volume rendering processing and shading processing. The image construction unit 17 also includes a puncture needle and a diagnostic target marker on the ultrasonic image, and a puncture needle marker based on the position information received from the instrument position information processing unit 22 and the preset position of the diagnostic target. A puncture path connecting the cutting target markers is generated in a predetermined form.

  The instrument position information acquisition unit 18 is provided in a puncture needle adapter provided in the ultrasonic probe 11 and acquires position information of an instrument (puncture needle) inserted into the subject. The instrument position information acquisition unit 18 is provided with a needle insertion angle detection function and a needle insertion length detection function, from which needle position information (that is, needle insertion angle, needle insertion length) can be obtained. In this embodiment, the instrument position information acquisition unit 18 is used to acquire the position information of the puncture needle. However, the instrument position information acquisition unit 18 is not limited to this, and magnetism, light, or the like can be used without being attached to the puncture needle adapter or the like. It is also possible to use a position sensor or the like that can detect position information.

  The central control circuit 21 has a function as an information processing apparatus (computer) and is a control means for controlling the operation of the main body of the ultrasonic diagnostic apparatus, and a control program for executing image generation / display and the like from the storage unit 28 Is read out and expanded on its own memory, and calculation and control related to various processes are executed. In particular, the central control circuit 21, based on a calculation result (described later) obtained in the instrument position information processing unit 22, a data collection range (a range in which echo signals are collected), an image data generation range (signal processing and volume data generation). Control range), display range (range to be displayed as an ultrasonic image), and pulse repetition frequency (PRF: Pulse Repetition Frequency).

  The appliance position information processing unit 22 includes an appliance position calculation unit 220, a data collection range calculation unit 221, and a display range calculation unit 222. The instrument position calculation unit 220 calculates the position of the puncture needle (particularly, the position of the tip) in the ultrasound image based on the instrument position information obtained from the instrument position information acquisition unit 18. The data collection range calculation unit 221 calculates the data collection range based on the calculated position of the puncture needle and the position of the treatment target set in advance. The display range calculation unit 222 calculates the display range based on the ultrasonic image based on the calculated position of the puncture needle and the position of the treatment target set in advance. Note that the calculations performed by the data collection range calculation unit 221 and the display range calculation unit 222 include, for example, a predetermined calculation formula, a position information-data collection range table, and a position information-display range table stored in the storage unit 28 in advance. To be executed.

  The calculation result in the appliance position information processing unit 22 is automatically sent to the central control circuit 21 and the image construction unit 17.

  The display unit 24 synthesizes the image data received from the reconstruction unit 17 together with character information and scales of various parameters, and displays morphological information and blood flow information in the living body as images.

  The operation unit 25 is connected to the main body of the ultrasonic diagnostic apparatus 1, and includes various switches and buttons for incorporating various instructions, conditions, region of interest (ROI) setting instructions, various image quality condition setting instructions, etc. from the operator into the apparatus main body. , Trackball, mouse, keyboard and so on. For example, when the operator operates a predetermined button of the operation unit 25, frame rate maintenance control described later and display of a result obtained thereby are performed in a predetermined form.

  The storage unit 28 stores acquired ultrasonic image data, programs for realizing various ultrasonic transmission / reception sequences, and the like. The storage unit 28 also stores a control program for realizing a frame rate maintenance control function described later.

(Frame rate maintenance control function)
Next, the frame rate automatic control function of the ultrasonic diagnostic apparatus 1 will be described. This function is to maintain the frame rate at a certain value or more on the device side so that the puncture needle is sufficiently visible based on a predetermined standard. Here, the predetermined standard is information that allows the apparatus side to grasp the progress of the puncture treatment, and follows, for example, the relative positional relationship between the puncture needle and the diagnosis target, the insertion length of the puncture needle, the workflow, and the like. The progress of puncture treatment can be listed.

  However, without being bound by these, for example, in response to an operator's manual operation, the apparatus side may control the frame rate so that the puncture needle is sufficiently visible. In the following, for convenience of explanation, the case where the relative positional relationship between the puncture needle and the diagnosis target is used as a reference is taken as an example.

  FIG. 2 is a conceptual diagram for explaining the present frame rate maintenance control function. For example, in the case where the quadrangular pyramid-shaped three-dimensional region shown in the figure is within a range where ultrasonic irradiation (scanning) is possible, the relative position between the puncture needle N and the diagnostic object O (for example, the purpose of the puncture needle tip NT and the diagnostic object O The operation load on the apparatus is reduced by limiting the data collection range to the cylindrical region TR shown in FIG. The limitation of the data collection range is, for example, controlling the angle of view of ultrasonic transmission and the distance (depth) in the depth direction in the transmission circuit 12 so as to realize the data collection range calculated by the instrument position information processing unit 22. In addition, the distance (depth) in the depth direction of the echo signal reception range may be controlled by controlling the delay time in the reception circuit 13.

  In the example of FIG. 2, an example is shown in which the cylindrical region TR with the puncture path PS as an axis is used as the data collection range according to the distance between the puncture needle NT and the target site OP of the diagnostic object O. However, the present invention is not limited to this, and any region may be used as long as the region includes the puncture needle tip NT, the target site OP, and the puncture path PS and is narrower than the ultrasonic irradiation possible range.

  Due to the limitation of the data collection range based on the relative position between the puncture needle N and the diagnostic object O, there is no need to wait for ultrasonic reflection from a certain area deeper than a certain area or a certain area wider than a certain area, and the time required for ultrasonic transmission scanning Can be shortened. Further, the data size to be subjected to signal processing can be reduced as compared with normal ultrasonic scanning. Therefore, it is possible to reduce the load on the apparatus and to improve the frame rate as compared with before the limitation of the data collection range.

  Note that the method for controlling the frame rate by the ultrasonic model apparatus is not limited to the limitation of the data collection range. For example, the following methods and combinations thereof can be used.

  The first method is to control the signal processing unit 14 and the image data generation unit 15 so as to limit the echo signal to be subjected to signal processing and the echo signal to be subjected to volume data generation. That is, signal processing is performed using a part of the received echo signal, image data is generated using a part of the signal-processed echo signal, or a combination thereof is appropriately performed. The required time for generating image data can be reduced, and the frame rate can be improved as compared with normal ultrasonic transmission / reception.

  The second method is to control the image configuration unit 17 and the like so as to limit image data (display range) that is a target of volume rendering processing or the like. In other words, by executing volume rendering processing etc. using a part of the generated volume data, the time required for image processing can be reduced, and the frame rate compared to normal three-dimensional real-time display. Can be improved.

  The third method is to increase the pulse repetition frequency (PRF). That is, suitable ultrasonic transmission / reception is executed for a predetermined area including the puncture needle and the diagnosis target, and the next ultrasonic transmission is executed for other areas even before ultrasonic reception. In addition, by raising the PRF, the frame rate can be improved compared to normal ultrasonic transmission / reception.

  In any method, it is necessary to scan an area including the puncture needle tip NT, the target site OP, and the puncture path PS and generate an ultrasound image in which these are visualized. As a configuration, for example, it is preferable that a dedicated interface is provided in the operation unit 25 so that it is possible to select which method or combination is used depending on the situation.

(Operation)
Next, the operation of the ultrasonic diagnostic apparatus 1 when executing the frame rate automatic control function will be described. In the following description, the frame rate is maintained at a certain value or more by changing the data collection range and the display range based on the relative position between the puncture needle N and the diagnostic object O for specific explanation. Take the case as an example.

  FIG. 3 is a flowchart showing the flow of each process executed when the frame rate automatic control function is executed. As shown in the figure, first, the distance from the body surface (position of the ultrasonic probe 11) to the target site is measured in advance and input to the apparatus (step S1).

  Next, puncture needle monitoring is started, and when the puncture needle is inserted into the subject, the puncture needle tip NT, the target site OP, and the puncture path PS are automatically displayed as markers. In parallel with the display, the instrument position information acquisition unit 18 acquires the position information of the puncture needle, and the instrument position information calculation unit 220 calculates the insertion angle and insertion length of the puncture needle (step S2, step S2). S3).

  Next, the data collection range calculation unit 221 calculates the data collection range based on the calculated insertion angle and insertion length of the puncture needle. The display range calculation unit 222 calculates the display range based on the calculated insertion angle and insertion length of the puncture needle (step S4). The central control circuit 21 determines whether or not to change the current data collection range and display range based on the calculated data collection range and display range (step S5). The transmission circuit 12 and the reception circuit 13 are controlled based on the data collection range, and the image construction unit 17 is controlled based on the calculated display range (steps S6 and S7). On the other hand, when it is determined in step S5 that the data collection range and the display range are not changed, the processes in steps S2 to S4 are repeatedly executed.

  Next, the central control circuit 21 determines whether or not to terminate the puncture needle monitoring based on the position information of the puncture needle by the instrument position information acquisition unit 18, and for example, the position information is detected by removing the puncture needle from the instrument. When it disappears, puncture needle monitoring is terminated. On the other hand, when it is determined that the puncture needle monitoring is to be continued, the processing of step S2 to step S7 is repeatedly executed.

  The operator can monitor the puncture needle at a certain frame rate or higher by a series of operations in the case of executing the frame rate automatic control function described above.

  In the process shown in FIG. 3, for example, when an ultrasonic image as shown in FIG. 4 is displayed, the result of executing the data collection range change in step S6 and the display range control in step S7, For example, the ultrasonic image shown in FIG. 5 is displayed on the display unit 24. Therefore, depending on the display range to be changed, it is not possible to ensure an ultrasound image large enough for monitoring of the puncture needle.

  Therefore, in this ultrasonic diagnostic apparatus, it is also possible to perform magnification control and image quality control of the displayed ultrasonic image in accordance with the automatic frame rate control function. For example, when the display range is limited from the state where the ultrasonic image as shown in FIG. 4 is displayed, the display image is displayed together with the change of the display range so as not to change the display image size as shown in FIG. Controls the magnification of the image. In addition, the image resolution is controlled so as to prevent deterioration in image quality due to enlargement of the image. Thereby, the surgeon can monitor the puncture needle N and the diagnostic object O with sufficient size and image quality.

  According to the configuration described above, the following effects can be obtained.

  According to this ultrasonic diagnostic apparatus, the frame rate is set to a constant value so that the puncture needle is sufficiently visible based on a predetermined reference (for example, the relative positional relationship between the puncture needle and the diagnosis target during puncture). It can be maintained above. Therefore, even when the frame rate such as real-time display by three-dimensional volume volume scanning becomes a problem, the puncture needle and the diagnosis target can be imaged at a suitable frame rate. As a result, the surgeon can observe the puncture needle and the diagnostic object with high real-time characteristics, and can contribute to the improvement of the quality of medical practice.

  Further, according to the present ultrasonic diagnostic apparatus, the data collection range, the display range, the image data generation range, and the like are realized singly or in any combination in order to maintain the frame rate above a certain value. Therefore, the surgeon can cope with various situations by selecting a suitable method according to the situation.

  In addition, according to the ultrasonic diagnostic apparatus, the display range is limited to maintain the frame rate at a certain value or more, and the image is enlarged and the image quality is improved. Therefore, the surgeon can always observe the puncture needle and the object to be diagnosed with a certain size and image quality, and as a result, can contribute to the improvement of the quality of medical practice.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Specific examples of modifications are as follows.

  (1) Each function according to the present embodiment can also be realized by installing a program for executing the processing in a computer such as a workstation and developing the program on a memory. At this time, a program capable of causing the computer to execute the technique is stored in a recording medium such as a magnetic disk (floppy (registered trademark) disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.), or a semiconductor memory. It can also be distributed.

  (2) In the above embodiment, the change of the data collection range and the display range in the case where the three-dimensional volume scan is executed as shown in FIG. 2 has been described. However, the present invention is not limited to this, and the same effect can be obtained even when a similar control is performed even when a two-dimensional plane scan represented by a Doppler mode or the like is executed.

  In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

  As described above, according to the present invention, for example, in puncture such as puncture treatment and tissue sampling, an ultrasonic diagnostic apparatus and an ultrasonic diagnosis that can always maintain an ultrasonic image collection rate at which a puncture needle and a diagnostic target can be sufficiently visually confirmed. A device control program can be realized.

FIG. 1 shows a block diagram of an ultrasonic diagnostic apparatus 1 according to an embodiment of the present invention. FIG. 2 is a conceptual diagram for explaining the frame rate maintenance control function of the ultrasonic diagnostic apparatus. FIG. 3 is a flowchart showing the flow of each process executed when the frame rate automatic control function is executed. FIG. 4 is a diagram for explaining the concept of the magnification control function and the image quality control function of the ultrasonic diagnostic apparatus. FIG. 5 is a diagram for explaining the concept of the magnification control function and the image quality control function of the ultrasonic diagnostic apparatus. FIG. 6 is a diagram for explaining the concept of the magnification control function and the image quality control function of the ultrasonic diagnostic apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Ultrasound diagnostic apparatus, 11 ... Ultrasonic probe, 12 ... Transmission circuit, 13 ... Reception circuit, 14 ... Signal processing part, 15 ... Image generation part, 16 ... Memory part, 17 ... Image structure part, 18 ... Instrument position Information acquisition unit, 21 ... central control circuit, 22 ... instrument position information processing unit, 23 ... display control unit, 24 ... display unit, 25 ... operation unit, 220 ... instrument position calculation unit, 221 ... data collection range calculation unit, 222 ... Display range calculator

Claims (6)

An ultrasonic probe comprising a plurality of ultrasonic transducers for ultrasonically scanning a subject in response to an applied drive signal and receiving echo signals from a preset data collection range;
Transmission / reception means for controlling the ultrasonic transmission timing and the reception timing of the plurality of ultrasonic transducers in the ultrasonic scanning, and the repetition period of the ultrasonic scanning;
Image data generating means for generating image data based on an echo signal corresponding to a preset image data generation range among the received echo signals;
Display means for generating and displaying an ultrasonic image based on image data corresponding to a preset display range among the generated image data;
Position information acquisition means for acquiring position information including an insertion angle and an insertion length of a puncture needle to be inserted into the subject;
Based on the positional relationship between the acquired position information and the predetermined part so that the ultrasonic image is displayed at a predetermined frame rate or higher, the data collection range, the repetition period, the image data generation range, Determining means for determining at least one of the display ranges;
Based on at least one of the determined data collection range, the repetition period, the image data generation range, and the display range, at least one of the transmission / reception means, the image data generation means, and the display means Control means for controlling
An ultrasonic diagnostic apparatus comprising: The apparatus further includes a storage unit that stores a table that associates the positional relationship between the position information and the predetermined portion with at least one of the data collection range, the repetition period, the image data generation range, and the display range. ,
The determining means determines at least one of the data collection range, the repetition period, the image data generation range, and the display range based on the table;
The ultrasonic diagnostic apparatus according to claim 1. The determining means determines at least one of the data collection range, the repetition period, the image data generation range, and the display range based on a predetermined calculation formula;
The ultrasonic diagnostic apparatus according to claim 1.   4. The display unit according to claim 1, wherein when the display range is limited, the display unit enlarges and displays a region including at least a part of the predetermined portion and the puncture needle. 5. The ultrasonic diagnostic apparatus as described.   The ultrasonic diagnostic apparatus according to claim 4, wherein when the display range is limited, the display unit improves image quality of an area including at least a part of the predetermined portion and the puncture needle. A program for controlling an ultrasonic diagnostic apparatus for acquiring an ultrasonic image by ultrasonic scanning of a subject,
On the computer,
Ultrasonic transmission timing and ultrasonic reception timing in the ultrasonic scanning, and ultrasonic scanning so that the subject is ultrasonically scanned at a predetermined period and an echo signal is received from a preset data collection range. A transmission / reception function for controlling the repetition period;
An image data generation function for generating image data based on an echo signal corresponding to a preset image data generation range among the received echo signals;
A display function for generating and displaying an ultrasound image based on image data corresponding to a preset display range among the generated image data;
A position information acquisition function for acquiring position information including an insertion angle and an insertion length of a puncture needle inserted into the subject;
Based on the positional relationship between the acquired position information and the predetermined part so that the ultrasonic image is displayed at a predetermined frame rate or higher, the data collection range, the repetition period, the image data generation range, A determination function for determining at least one of the display ranges;
At least one of the transmission / reception function, the image data generation function, and the display function based on at least one of the determined data collection range, the repetition cycle, the image data generation range, and the display range A control function to control the operation in
An ultrasonic diagnostic apparatus control program characterized by realizing the above.

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