WO2014084201A1 - 医用画像処理装置、超音波診断装置及び医用画像取込方法 - Google Patents

医用画像処理装置、超音波診断装置及び医用画像取込方法 Download PDF

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Publication number
WO2014084201A1
WO2014084201A1 PCT/JP2013/081742 JP2013081742W WO2014084201A1 WO 2014084201 A1 WO2014084201 A1 WO 2014084201A1 JP 2013081742 W JP2013081742 W JP 2013081742W WO 2014084201 A1 WO2014084201 A1 WO 2014084201A1
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Prior art keywords
image
medical image
medical
unit
storage medium
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English (en)
French (fr)
Japanese (ja)
Inventor
森　啓
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Toshiba Corp
Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4416—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to combined acquisition of different diagnostic modalities, e.g. combination of ultrasound and X-ray acquisitions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5238—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image
    • A61B8/5261—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image combining images from different diagnostic modalities, e.g. ultrasound and X-ray
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4417—Constructional features of apparatus for radiation diagnosis related to combined acquisition of different diagnostic modalities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
    • A61B6/563—Details of data transmission or power supply, e.g. use of slip rings involving image data transmission via a network
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
    • A61B6/566—Details of data transmission or power supply, e.g. use of slip rings involving communication between diagnostic systems

Definitions

  • Embodiments of the present invention relate to a medical image processing apparatus, an ultrasonic diagnostic apparatus, and a medical image capturing method for capturing other modality images.
  • An ultrasonic diagnostic apparatus is a diagnostic apparatus that displays an image of in-vivo information, and is inexpensive, non-exposed, and noninvasive compared to other medical diagnostic imaging apparatuses such as an X-ray diagnostic apparatus and an X-ray computed tomography apparatus. It is used as a useful device for real-time observation.
  • the application range of the ultrasonic diagnostic apparatus is wide, and it is applied to the diagnosis of circulatory organs such as the heart, abdomen such as the liver and kidney, peripheral blood vessels, obstetrics and gynecology, and breast cancer.
  • fusion function which can perform diagnosis or treatment, referring to a medical image (other modality image) of other modalities, such as a CT image and an MR image, for example in an ultrasonic diagnostic device.
  • a medical image other modality image
  • MR image MR image
  • this fusion function for example, another modality image (DICOM medical image data) is taken into the ultrasound diagnostic apparatus from the outside, and the fetched other modality image is displayed side by side with the image acquired in the ultrasound diagnostic apparatus. Can do.
  • An object is to provide a medical image processing apparatus, an ultrasonic diagnostic apparatus, and a medical image capturing method capable of efficiently capturing other modality images.
  • the medical image processing apparatus includes a connection unit for connecting an external storage medium, a determination unit that determines whether or not to perform a function of displaying an examination target image and a comparison image in parallel, and the determination unit
  • a plurality of medical images that are candidates for the comparison image are determined from among a plurality of medical images stored in an external storage medium connected to the connection unit, depending on whether or not the function determined in step S3 is performed.
  • a medical image processing device an ultrasonic diagnostic device, and a medical image capturing method capable of efficiently capturing other modality images.
  • FIG. 1 is a block diagram illustrating a configuration of an ultrasonic diagnostic apparatus according to a first embodiment. It is a flowchart which shows the process sequence of the ultrasonic diagnosing device 10 which concerns on this embodiment. It is a figure which shows an example of the list
  • the medical image processing apparatus is a computer for processing medical images.
  • the medical image processing apparatus may be incorporated in the medical image diagnostic apparatus or may be a dedicated image processing apparatus such as a workstation.
  • the medical image processing apparatus is incorporated into, for example, an X-ray diagnostic apparatus, a computed tomography apparatus (Computed Tomography: CT), a nuclear magnetic resonance imaging apparatus (Magnetic Resonance Imaging: MRI), or the like.
  • CT computed tomography
  • MRI nuclear magnetic resonance imaging apparatus
  • FIG. 1 shows a configuration of an ultrasonic diagnostic apparatus 10 according to the present embodiment.
  • the ultrasonic diagnostic apparatus 10 includes an examination execution unit 11, an examination information holding unit 12, a connection unit 18, a data check unit 13, a candidate determination unit 14, a display unit 15, a data collection unit.
  • the ultrasound diagnostic apparatus 10 is realized as a hardware configuration for realizing each function or a combination configuration of hardware and software.
  • the software is installed from a storage medium or a network in advance, and includes a program for realizing the function.
  • the inspection execution unit 11 performs ultrasonic diagnosis (inspection) in the ultrasonic diagnostic apparatus 10. Specifically, the examination execution unit 11 generates an ultrasound image based on an echo signal obtained by transmitting / receiving ultrasound to / from the subject via the ultrasound probe.
  • the inspection execution unit 11 includes an ultrasonic probe, a transmission / reception control unit, an image generation unit, and the like (not shown).
  • the ultrasonic probe receives a drive signal from the transmission / reception control unit, generates an ultrasonic wave, converts a reflected wave from the subject into an electric signal, and a matching layer provided on the piezoelectric vibrator. And a backing material for preventing the propagation of ultrasonic waves from the piezoelectric vibrator to the rear.
  • 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 as an echo signal.
  • the amplitude of this echo signal depends on the difference in acoustic impedance at the discontinuous surface that is to be reflected.
  • 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 object due to the Doppler effect. Receive a move.
  • the transmission / reception control unit transmits / receives ultrasonic waves to / from the subject via the ultrasonic probe, and generates an echo signal related to the scanning plane.
  • the echo signal generated by the transmission / reception control unit is supplied to the image generation unit.
  • the transmission / reception control unit includes a pulse generator, a transmission delay unit, a pulser, and the like.
  • the pulse generator repeatedly generates a rate pulse for forming a transmission ultrasonic wave at a predetermined rate frequency fr Hz (period: 1 / fr second).
  • the transmission delay unit focuses the ultrasonic wave into a beam shape for each channel, and gives a delay time necessary for determining the transmission directivity to the rate pulse of each channel.
  • the pulser applies a drive pulse to the ultrasonic probe at a timing based on the rate pulse for each channel.
  • the transmission / reception control unit has a preamplifier, a reception delay unit, an adder, and the like.
  • the preamplifier amplifies the echo signal captured via the ultrasonic probe for each channel.
  • the reception delay unit gives a delay time necessary for determining the reception directivity to the amplified echo signal, and thereafter performs an addition process in an 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 image generation unit generates B-mode data that expresses the intensity of the echo signal by luminance, for example, by executing B-mode processing on the echo signal from the transmission / reception control unit.
  • the image generation unit converts the B-mode data into image data that can be displayed on a monitor or the like. Thereby, an image generation part produces
  • B mode processing has been described.
  • processing in other modes such as color Doppler mode, M mode, continuous wave Doppler, and pulse wave Doppler mode may be appropriately combined.
  • the ultrasonic image generated by the inspection execution unit 11 (the image generation unit included therein) is displayed on, for example, a monitor.
  • the ultrasonic diagnostic apparatus 10 is capable of performing an ultrasonic examination while referring to a medical image (another modality image) captured by another medical image diagnostic apparatus such as a CT image or an MR image. It may have a function. According to the fusion function, the ultrasonic image generated by the inspection execution unit 11 and the other modality image can be aligned and displayed simultaneously.
  • the inspection information holding unit 12 holds information (hereinafter referred to as inspection information) related to the ultrasonic inspection performed in the inspection execution unit 11 described above.
  • the examination information held in the examination information holding unit 12 includes, for example, an imaging part where an ultrasound image is captured, an examination mode (image mode) when the ultrasound image is generated, and the like.
  • maintenance part 12 contains the information (henceforth performance information) which shows the performance regarding the past fusion function in the ultrasonic diagnosing device 10.
  • the connection unit 18 is an input / output interface configured to be connectable to an external storage medium.
  • a plurality of medical images (data) including other modality images used in the above-described fusion function and an external storage medium (hereinafter referred to as external media) in which supplementary information of the medical images is stored are connected to the connection unit 18. Is done.
  • the plurality of medical images (data) and the supplementary information of each of the medical images have a data structure conforming to the DICOM standard, and various external media have a directory structure (DICOMDIR) defined by DICOM.
  • the external medium include an optical medium and a USB memory.
  • the supplementary information of the medical image stored in the external medium includes the model name of the medical image diagnostic apparatus that captured the medical image.
  • the accompanying information includes image direction ((0020,0037) ImageOrientationPatient), pixel size ((0028,0030) PixelSpacing), matrix size ((0028,0010) Rows and (0028,0011) Columns), rescaling ( (0028,1052) RescaleIntercept and (0028,1053) RescaleSlope and (0028,1054) RescaleType), image position ((0020,0032) ImagePositionPatient), luminosity interpretation ((0028,0004) Photometric Interpretation), SOP Class UID ((0008,0016) SOPClassUID) and the like are included.
  • the data check unit 13 determines whether or not to execute the fusion function based on, for example, system information of the ultrasonic diagnostic apparatus 10 (whether there is a fusion function option) Determine.
  • system information of the ultrasonic diagnostic apparatus 10 whether there is a fusion function option
  • the data check unit 13 executes the fusion function. Even when the ultrasonic diagnostic apparatus 10 has the fusion function, the data check unit 13 may further determine whether or not the fusion function is executed by setting whether or not the fusion function is executed by the operator. .
  • the data check unit 13 includes the image direction ((0020,0037) ImageOrientationPatient), pixel size ((0028,0030) PixelSpacing in the incidental information. ), Matrix size ((0028,0010) Rows and (0028,0011) Columns), rescale ((0028,1052) RescaleIntercept and (0028,1053) RescaleSlope, and (0028,1054) RescaleType), image position ( (0020,0032) ImagePositionPatient), luminosity interpretation ((0028,0004) Photometric Interpretation), SOP Class UID ((0008,0016) SOPClassUID), etc.
  • a medical image that is not used in the above-described fusion function is specified.
  • the candidate determination unit 14 includes other modalities that are simultaneously displayed in the fusion function and the ultrasonic image generated by the examination execution unit 11 among a plurality of medical images stored in an external medium connected to the ultrasonic diagnostic apparatus 10. A medical image that is a candidate for an image is determined. In this case, the candidate determination unit 14 executes the determination process based on the record information stored in the examination information storage unit 12 and the model names included in the supplementary information of the plurality of medical images acquired by the data acquisition unit 13.
  • the display unit 15 displays a list of each of a plurality of medical images (representing data) stored in an external medium connected to the ultrasonic diagnostic apparatus 10. Specifically, the display unit 15 displays data representing each of a plurality of medical images stored in the external medium. At this time, the display unit 15 preferentially displays data representing the medical image determined by the candidate determination unit 14. That is, the display unit 15 displays the list with the medical image priority order determined by the candidate determination unit 14 higher than other medical images. The display unit 15 does not display the medical image specified by the data check unit 13 described above.
  • the data capturing unit 16 captures, from an external medium, a medical image (and supplementary information of the medical image) selected (designated) by the operator of the ultrasound diagnostic apparatus 10 among the medical images displayed as a list by the display unit 15. . At this time, the medical image captured by the data capturing unit 17 is stored in the data storage unit 18.
  • an ultrasonic inspection is performed by the inspection execution unit 11 and an ultrasonic image related to the subject is generated and displayed on, for example, a monitor.
  • the inspection information related to the ultrasonic inspection by the inspection execution unit 11 is held in the inspection information holding unit 12.
  • the examination information holding unit 12 holds record information indicating a record of past fusion functions in the ultrasonic diagnostic apparatus 10 (and other apparatuses).
  • the performance information includes the model name of a medical image diagnostic apparatus (for example, an X-ray computed tomography apparatus and a magnetic resonance imaging apparatus) that has captured other modality images that have been used in the past in the fusion function, and the medical information
  • the number of times other modality images captured by the image diagnostic apparatus are used in the fusion function is included in association with each other.
  • the ultrasonic diagnostic apparatus 10 detects connection with an external medium (step S1).
  • an external medium connected to the ultrasonic diagnostic apparatus 10.
  • incidental information of the medical image an ID and a name for identifying the subject (patient) from which the medical image is captured, an imaging date (examination date) when the medical image is captured, and the medical image are captured.
  • type of the medical image diagnostic apparatus that captured the medical image the model name of the medical image diagnostic apparatus, and the like.
  • the data check unit 13 determines whether or not the ultrasonic diagnostic apparatus 10 has a fusion function (step S2). In this case, the data check unit 13 performs a determination process based on the system information (for example, presence / absence of a fusion function option) of the ultrasonic diagnostic apparatus 10 stored in a storage unit (not shown).
  • the data check unit 13 determines whether or not the ultrasonic probe included in the ultrasonic diagnostic apparatus 10 is a probe with a position sensor necessary for performing alignment in the fusion function, or the probe with the position sensor is in an active state.
  • the determination process may be executed based on whether or not.
  • the probe with the position sensor has been described, but the determination process may be executed based on, for example, whether the probe is a puncture probe.
  • the determination process may be executed based on whether or not the ultrasonic diagnostic apparatus 10 is operating in a mode (for example, CHI-MFI mode or THI mode) that is highly likely to use the fusion function.
  • the data check unit 13 is not used in the fusion function from among a plurality of medical images stored in the external medium.
  • a medical image is specified (step S3).
  • medical images that are not used in the fusion function for example, a scan image that is an image added to indicate the position of the slice cross section with a CT device or the like (an image that is not used for volume data in the fusion function) or a fusion image that is essential Includes images that lack information.
  • the data check unit 13 performs the following on the incidental information: 1.
  • luminosity interpretation ((0028,0004) Photometric Interpretation) is not set, or if it is set but not in a format that can be displayed by the device, If the SOP Class UID ((0008,0016) SOP Class UID) is not a Fusion target image type (CT Image, MR Image, PET Image, Enhanced CT Image, etc.), the medical image is identified as a medical image that is not used in the fusion function To do.
  • step S3 narrows down medical images (representing data) displayed by the display unit 15 described later from the viewpoint of the fusion function.
  • the candidate determination unit 14 is a medical image that is a candidate for another modality image that is simultaneously displayed in the fusion function and the ultrasonic image generated by the examination execution unit 11 among the plurality of medical images stored in the external medium.
  • An image (hereinafter referred to as a candidate image) is determined.
  • the candidate determination part 14 determines the candidate image based on a fusion performance (step S4).
  • the candidate determination unit 14 executes processing described below for each of the plurality of medical images stored in the external medium.
  • a medical image to be processed is referred to as a target medical image.
  • the candidate determination unit 14 acquires the model name (the model name of the medical image diagnostic apparatus that captured the target medical image) included in the supplementary information of the target medical image stored in the external medium.
  • the candidate determination unit 14 determines whether or not the acquired model name is included in the performance information held in the examination information holding unit 12 (that is, another modality imaged by the medical image diagnostic apparatus having the model name). It is determined whether or not the image has been used in the fusion function. If it is determined that the acquired model name is included in the record information, the candidate determining unit 14 determines the target medical image as a candidate image.
  • the candidate determination unit 14 acquires the number of times (fusion results) included in the result information held in the inspection information holding unit 12 in association with the acquired model name.
  • the number of times acquired here indicates the number of times other modality images captured by the medical image diagnostic apparatus (model) that captured the target medical image have been used in the fusion function in the past.
  • the candidate determination unit 14 performs the above-described processing for each of the plurality of medical images stored in the external medium, thereby determining a candidate image from the plurality of medical images, and the candidate image
  • the fusion performance (number of times) is acquired every time.
  • the medical image is determined as a candidate image.
  • the medical image determined as the candidate image is a medical image obtained by imaging a subject (patient) that has been subjected to ultrasonic examination by the examination execution unit 11 described above.
  • a subject that has captured a medical image can be identified from an ID or the like included in the accompanying information of the medical image.
  • the candidate determining unit 14 rearranges the medical images determined as candidate images among the plurality of medical images stored in the external medium so as to be displayed preferentially (step S5). In this case, the candidate determining unit 14 performs rearrangement so that the medical image determined as the candidate image is arranged higher than the other medical images.
  • the medical images are rearranged in descending order of the fusion performance (number of times) acquired for each of the medical images.
  • the candidate determination unit 14 creates a list of data representing the plurality of medical images by rearranging the plurality of medical images stored in the external medium in this way.
  • the medical image specified in step S3 described above (medical image not used in the fusion function) is excluded.
  • the display unit 15 displays the list created by the candidate determination unit 14 (step S6).
  • FIG. 3 shows an example of the list displayed by the display unit 15.
  • data 21 to 24 representing medical images are displayed.
  • the data 21 to 24 representing the medical image includes supplementary information (here, ID, name, examination date, modality, model name) and results of the medical image.
  • ID is identification information for identifying a subject (patient) from which a medical image is captured.
  • the name is the name of the subject identified by the associated ID.
  • the examination date indicates the date (imaging date) when the medical image was captured.
  • the modality indicates the type (for example, CT, MR, etc.) of the medical image diagnostic apparatus that has captured the medical image.
  • the result is the fusion result (number of times) determined by the candidate determination unit 14 for the medical image.
  • the subject subjected to the ultrasonic examination is the subject identified by the ID “AA”.
  • priority is given to data 21 and 22 representing medical images obtained by imaging the subject identified by the ID “AA” and having a lot of results (fusion results). Displayed (that is, ranked higher).
  • the data 21 and 22 are displayed in the order of the fusion performance (number of times).
  • the data 23 and 24 include comments, for example, although they are not data representing medical images determined as candidate images.
  • this comment for example, when there are some restrictions when medical images are used in the fusion function, text information related to the restrictions (for example, “function subject to restriction”, “reason for the restriction”, etc.) is described.
  • the This character information is determined by checking the supplementary information of the image to be captured and determining whether there is a function subject to restriction. For example, all required tags are stored for inspections / images to be captured, but if this is the first device model, the measurement operation is performed for risk hedging from the viewpoint that accuracy verification of image measurement cannot be guaranteed.
  • there is a limit In that case, information such as “the measurement function is not possible for inspection data that has not been subjected to measurement verification as a system” is generated and displayed as a comment by the generation process.
  • the external media is used by using information such as the fusion record (number of times) that has been handled by the ultrasonic diagnostic apparatus 10 and the model name that has been handled by the ultrasonic diagnostic apparatus 10 and the like.
  • the medical images (representing data) stored in are ranked and displayed. Accordingly, the operator can easily recognize an appropriate medical image (that is, another modality image to be used in the fusion function) from among a plurality of medical images stored in the external medium.
  • the data representing the medical image has been described as including the ID, name, examination date, modality, model name, achievement, and comment.
  • the data representing the medical image can identify the medical image. It may be anything, and the ID, name, inspection date, modality, model name, achievement, and comments may not be included, or other information may be included. The same applies to the following embodiments.
  • the operator can select a medical image (other modality image) to be used in the fusion function from a plurality of medical images represented by a plurality of data displayed in the list displayed by the display unit 15. ) Can be performed.
  • a medical image other modality image
  • the data capture unit 16 captures the medical image (other modality image) selected by the operator into the data storage unit 17 (step S7).
  • step S2 when it is determined in step S2 that the ultrasonic diagnostic apparatus 10 does not have the fusion function, the processes of steps S3 to S5 are not executed, and the process of step S6 is executed.
  • a plurality of medical images (representing data) stored in the external medium are sorted and listed by ID (that is, patient), examination date, etc. included in the supplementary information of the medical image, for example. Is displayed.
  • the result information held in the examination information holding unit 12 simply includes the model name and the number of times used in the fusion function in association with each other, but for example, the model name (CT or MR)
  • the number of times the combination function and the imaging part are used in the fusion function (that is, the number of times other modality images of a specific imaging part imaged by the medical image diagnostic apparatus of the model name are used in the fusion function) ) May be included in association with each other.
  • the above-described fusion performance of the medical image may be the number of times included in the performance information in association with the combination of the model name and the imaging part included in the supplementary information of the medical image.
  • the ultrasonic diagnostic apparatus 10 when an external medium is connected, it is determined whether the ultrasonic diagnostic apparatus 10 has the fusion function, and when it is determined that the fusion function is provided, Of the plurality of medical images stored in the external medium, a medical image that is a candidate for another modality image that is displayed simultaneously with the ultrasound image is determined based on the supplementary information of the medical image and stored in the external medium.
  • the data representing the determined medical image is preferentially displayed, and the medical image selected by the operator among the medical images represented by the displayed data is displayed from an external medium.
  • a complementary medical image can be easily recognized, and such a medical image (another modality image) can be efficiently captured in the ultrasonic diagnostic apparatus 10, thereby greatly reducing the data capture time. Is possible.
  • the medical name included in the supplementary information of the medical image stored in the external medium is stored in the examination information storage unit 12 (included in the performance information)
  • the medical name is used.
  • the image is determined as a candidate for another modality image displayed simultaneously with the ultrasound image, and the determined medical image is associated with the model name included in the supplementary information of the medical image and the number of times included in the performance information.
  • a medical image (list) stored in an external medium can be confirmed even when an ultrasonic examination is not performed.
  • it may be configured to preferentially display medical images based on the fusion performance as described above.
  • this embodiment can be applied not only when capturing a medical image but also when selecting a medical image used for the fusion function (that is, another modality image displayed simultaneously with the ultrasound image in the fusion function). .
  • a medical image that is a candidate for another modality image that is simultaneously displayed in the fusion function and an ultrasonic image generated in the ultrasonic examination is determined based on the ultrasonic image and the imaging region of the medical image. This is different from the first embodiment described above.
  • the inspection execution unit 11 it is assumed that an ultrasonic inspection is performed by the inspection execution unit 11 and an ultrasonic image related to the subject is generated and displayed on, for example, a monitor.
  • the inspection information related to the ultrasonic inspection by the inspection execution unit 11 is held in the inspection information holding unit 12.
  • the examination information held in the examination information holding unit 12 includes an imaging part of an ultrasonic image generated by the examination execution unit 11 and the like.
  • the candidate determining unit 14 displays the ultrasonic image generated by the examination performing unit 11 among the plurality of medical images stored in the external medium and the fusion function. Medical images that are candidates for modality images (hereinafter referred to as candidate images) are determined.
  • the candidate determination unit 14 determines a plurality of candidate images from among a plurality of medical images stored in the external medium connected to the connection unit 18 (step S14).
  • the candidate determination unit 14 determines, as candidate images, a medical image of an imaging part that matches the imaging part of the ultrasonic image generated by the examination execution unit 11 among a plurality of medical images stored in the external medium. To do. Specifically, when the candidate determination unit 14 matches the imaging part included in the supplementary information of the medical image stored in the external medium with the imaging part included in the examination information held in the examination information holding unit 12 The medical image is determined as a candidate image. Note that, for example, when the examination information does not include the imaging part directly, but includes information that can specify the imaging part, based on the imaging part specified by the information. The candidate image may be determined.
  • the imaging region can be specified as “abdomen” from the information.
  • a medical image in which “abdomen” is included as an imaging part in the incidental information may be determined as a candidate image.
  • the candidate determining unit 14 rearranges the medical images determined as candidate images among the plurality of medical images stored in the external medium so that the medical images are preferentially displayed (step S15).
  • the candidate determining unit 14 performs rearrangement so that the medical image determined as the candidate image is arranged higher than the other medical images.
  • the plurality of medical images may be rearranged in descending order of the examination date included in the supplementary information of the medical image, for example. The order may be rearranged in descending order of the fusion performance (number of times) in the embodiment.
  • steps S16 and S17 corresponding to the processes of steps S6 and S7 shown in FIG. 2 described above are executed.
  • FIG. 5 shows an example of a list displayed by the display unit 15.
  • the list 30 shown in FIG. 5 displays data 31 to 33 representing medical images.
  • data 31 to 33 representing medical images include supplementary information (here, ID, name, examination date, imaging region, modality, model name) and results (fusion results) of the medical images.
  • the imaging region indicates the region of the subject from which the medical image is captured. Since the ID, name, inspection date, modality, model name, and results are as described in the first embodiment, detailed description thereof is omitted.
  • the subject subjected to the ultrasonic examination is the subject identified by the ID “AA”, and the imaging part of the ultrasonic image generated by the ultrasonic examination is “abdomen”.
  • data 31 and 32 representing medical images obtained by imaging the subject identified by the ID “AA” and representing the medical image whose imaging site is “abdomen” are provided. Displayed preferentially (that is, ranked higher). In the example shown in FIG. 5, the data 31 and 32 are displayed in descending order on the inspection date.
  • a medical image in which the imaging region is “abdomen” that is, imaging
  • Medical images with matching parts are ranked and displayed at the top.
  • the medical when the imaging part of the ultrasonic image generated by the examination performing unit 11 matches the imaging part included in the supplementary information of the medical image stored in the external medium, the medical By determining the image as a candidate for another modality image that is displayed simultaneously with the ultrasound image, and preferentially displaying the data representing the determined medical image, the operator can match the ultrasound image and the imaging region.
  • the candidate image to be recognized can be easily recognized, and such a medical image can be efficiently taken into the ultrasonic diagnostic apparatus 10.
  • a medical image that is a candidate for another modality image that is simultaneously displayed in the fusion function and an ultrasound image generated in the ultrasound examination is determined based on the image mode when the ultrasound image is generated. This is different from the first and second embodiments described above.
  • the examination information held in the examination information holding unit 12 includes an image mode (operation mode) applied when an ultrasonic image is generated by the examination execution unit 11.
  • the image mode applied when the ultrasonic image is generated includes, for example, a Doppler mode for performing a blood flow diagnostic test, an MFI mode for performing a contrast medium test, and the like.
  • This MFI mode is a contrast display mode in which a fine vascular structure is clearly visualized by combining the reperfusion method and the maximum value holding method.
  • the Doppler mode and the MFI mode for example, there are a B mode, an M mode, and the like as the image mode.
  • the accompanying information of the medical image includes an ID and name for identifying the subject (patient) in which the medical image is captured, an imaging date (examination date) in which the medical image is captured, and a type of the medical image.
  • the type of the medical image included in the accompanying information of the medical image includes, for example, a perfusion image (Perfusion) obtained by performing perfusion (organ perfusion analysis).
  • the candidate determination unit 14 displays the ultrasonic image generated by the examination execution unit 11 among the plurality of medical images stored in the external medium and the fusion function. Medical images that are candidates for modality images (hereinafter referred to as candidate images) are determined.
  • the candidate determination unit 14 determines a plurality of candidate images from among a plurality of medical images stored in the external medium connected to the connection unit 18 (step S24).
  • the candidate determination unit 14 matches the type of medical image corresponding to the image mode when the ultrasonic image is generated by the examination execution unit 11 among the plurality of medical images stored in the external medium. Are determined as candidate images. Specifically, the candidate determination unit 14 includes the medical image type corresponding to the image mode included in the examination information held in the examination information holding unit 12 in the supplementary information of the medical image stored in the external medium. If the medical image matches the type of the medical image, the medical image is determined as a candidate image. Note that the type of medical image corresponding to the image mode is determined in advance for each image mode applied when an ultrasonic image is generated.
  • the image mode is the above-described Doppler mode or MFI mode
  • a perfusion image that is similarly referred to at the time of blood flow diagnosis or contrast medium examination is previously stored. It has been established.
  • the candidate determining unit 14 rearranges the medical images determined as candidate images among the plurality of medical images stored in the external medium so as to be displayed preferentially (step S25).
  • the plurality of medical images may be rearranged in descending order of the examination date included in the supplementary information of the medical image, for example.
  • the order may be rearranged in descending order of the fusion performance (number of times) in the embodiment.
  • steps S26 and S27 corresponding to the processes of steps S6 and S7 shown in FIG. 2 described above are executed.
  • FIG. 7 shows an example of the list displayed by the display unit 15.
  • the list 40 shown in FIG. 7 displays data 41 to 43 representing medical images.
  • the data 41 to 43 representing the medical image includes supplementary information (in this case, ID, name, examination date, type, modality, model name) and results (fusion results).
  • the type indicates the type of medical image such as the above-described perfusion image. Since the ID, name, inspection date, modality, model name, and results are as described in the first embodiment, detailed description thereof is omitted.
  • the subject subjected to the ultrasonic examination is the subject identified by the ID “AA”, and the image mode when the ultrasonic image is generated by the ultrasonic examination is, for example, the Doppler mode.
  • the type of medical image corresponding to the mode is predetermined as a perfusion image.
  • And 42 are preferentially displayed (that is, ranked higher).
  • the data 41 and 42 are displayed in descending order on the inspection date.
  • the type of medical image that is predetermined for the image mode when the ultrasound image is generated by the examination execution unit 11 is stored in an external medium. If it matches the type of the medical image included in the supplementary information, the medical image is determined as a candidate for another modality image that is displayed simultaneously with the ultrasound image, and the data representing the determined medical image is given priority. Due to the display configuration, the operator easily recognizes a type of medical image that is often referred to at the same time as an ultrasonic image generated in a predetermined mode, and efficiently converts such a medical image into an ultrasonic diagnostic apparatus. 10 can be captured.
  • a medical image that is a candidate for another modality image that is simultaneously displayed in the fusion function and an ultrasound image generated in the ultrasound examination is determined based on a past puncture treatment examination date (treatment date). This is different from the first to third embodiments described above.
  • an ultrasonic inspection is performed by the inspection execution unit 11 and an ultrasonic image related to the subject is generated and displayed on, for example, a monitor.
  • the inspection information related to the ultrasonic inspection by the inspection execution unit 11 is held in the inspection information holding unit 12.
  • the examination information holding unit 12 holds, for example, information related to puncture treatment performed in the past in the ultrasonic diagnostic apparatus 10 (hereinafter referred to as puncture treatment history information).
  • FIG. 9 shows an example of the data structure of puncture treatment history information. As shown in FIG. 9, in the puncture treatment history information, the name (or ID) of the subject (patient) is associated with the puncture treatment history, and the date on which the puncture treatment was performed on the subject (treatment implementation) Day) and images used in the fusion function (used images).
  • an external medium is connected to the connection unit 18.
  • the processes in steps S31 to S33 corresponding to the processes in steps S1 to S3 in FIG. 2 described above are executed.
  • a plurality of medical images and incidental information of the medical images are stored in the external medium connected to the ultrasonic diagnostic apparatus 10.
  • incidental information of the medical image an ID and a name for identifying the subject (patient) from which the medical image is captured, an imaging date (examination date) when the medical image is captured, and the medical image are captured.
  • the type of the medical image diagnostic apparatus that captured the medical image, the model name of the medical image diagnostic apparatus, and the like are captured.
  • the candidate determination unit 14 displays the ultrasonic image generated by the examination execution unit 11 among the plurality of medical images stored in the external medium and the fusion function. Medical images that are candidates for modality images (hereinafter referred to as candidate images) are determined.
  • the candidate determination unit 14 determines a plurality of candidate images from among the plurality of medical images stored in the external medium connected to the connection unit 18 (step S34).
  • the candidate determination unit 14 determines a medical image captured on a date corresponding to a past puncture treatment date as a candidate image among a plurality of medical images stored in the external medium. Specifically, the candidate determining unit 14 includes the examination date included in the supplementary information of the medical image stored in the external medium, with the treatment date included in the puncture treatment history information held in the examination information holding unit 12. If the date matches (imaging date), the medical image is determined as a candidate image.
  • the candidate determining unit 14 rearranges the medical images determined as candidate images among the plurality of medical images stored in the external medium so as to be displayed preferentially (step S35).
  • the plurality of medical images are, for example, examination dates included in the supplementary information of the medical images (that is, , Puncture treatment date) in ascending order.
  • steps S36 and S37 corresponding to the processes of steps S6 and S7 shown in FIG. 2 described above are executed.
  • FIG. 10 shows an example of the list displayed by the display unit 15.
  • data 51 to 54 representing medical images are displayed.
  • data 51 to 54 representing medical images include supplementary information (here, ID, name, examination date, imaging region, modality, model name) of the medical image.
  • the subject subjected to the ultrasonic examination is the subject identified by the ID “AA”
  • the past puncture treatment dates are “2010/02/22”, “2010/08” as shown in FIG. / 01 "and” 2010/10/10 "are assumed.
  • the medical image obtained by imaging the subject identified by the ID “AA” and the examination date is “2010/02/22”, “2010/08/01”.
  • ”And“ 2010/10/10 ”data 51 to 53 representing medical images are preferentially displayed (that is, ranked higher).
  • the data 51 to 53 are displayed in ascending order of examination dates (that is, puncture treatment dates).
  • FIG. 9 shows the list together with the list so that the correspondence between the puncture treatment date and the medical image can be easily understood.
  • the puncture treatment history information shown may be displayed. In this case, it is preferable to match the display color between the puncture treatment history information and the corresponding data in the list. Thereby, it is possible to more easily grasp the correspondence between the puncture treatment date and the medical image.
  • the treatment date included in the puncture treatment history information held in the examination information holding unit 12 is included in the supplementary information of the medical image stored in the external medium ( If the medical image coincides with the examination date), the medical image is determined as a candidate for another modality image displayed simultaneously with the ultrasound image, and data representing the determined medical image is preferentially displayed.
  • the medical image is determined as a candidate for another modality image displayed simultaneously with the ultrasound image, and data representing the determined medical image is preferentially displayed.
  • the point that the medical image that is a candidate for the other modality image that is simultaneously displayed in the fusion function and the ultrasonic image generated in the ultrasonic examination is determined based on the puncture treatment history information is described above.
  • the puncture treatment history information is a table in which the past treatment of the target subject is associated with the image (usage image) used in the fusion function in the treatment.
  • the examination information holding unit 12 holds puncture treatment history information.
  • the name (or ID) of the subject (patient) is associated with the puncture treatment history, and the date on which the puncture treatment was performed on the subject (treatment implementation) Date) and information indicating an image (used image) used in the fusion function.
  • the candidate determination unit 14 displays the ultrasonic image generated by the examination execution unit 11 among the plurality of medical images stored in the external medium and the fusion function. Medical images that are candidates for modality images (hereinafter referred to as candidate images) are determined. In the present embodiment, the candidate determination unit 14 determines a candidate image based on a record that a medical image has been used in the fusion function in the puncture treatment examination (step S44).
  • the candidate determining unit 14 determines, as candidate images, medical images that have been used for the fusion function in the past puncture treatment test among the plurality of medical images stored in the external medium. Specifically, the candidate determination unit 14 uses the treatment results in the list 60 of FIG. 12 generated based on the use image items included in the puncture treatment history information held in the examination information holding unit 12. A medical image to which a flag indicating “” is assigned is determined as a candidate image. The flag indicating the usage record in the list 60 of FIG. 12 will be described in detail later.
  • the candidate determination unit 14 rearranges the medical images determined as candidate images among the plurality of medical images stored in the external medium so as to be displayed preferentially (step S45).
  • the plurality of medical images are, for example, examination dates included in the supplementary information of the medical images (that is, , Puncture treatment date) in ascending order.
  • steps S46 and S47 corresponding to the processes of steps S6 and S7 shown in FIG. 2 are executed.
  • FIG. 12 shows an example of the list displayed by the display unit 15.
  • data 61 to 64 representing medical images are displayed.
  • data 61 to 64 representing medical images are supplementary information (in this case, ID, name, examination date, imaging region, modality, model name) of the medical image and a flag indicating the actual use in the treatment. including.
  • the subject subjected to the ultrasonic examination is the subject identified by the ID “AA”
  • the past puncture treatment dates are “2010/02/22”, “2010/08” as shown in FIG. / 01 "and” 2010/10/10 "are assumed.
  • 61 to 63 are preferentially displayed (that is, ranked higher).
  • the data 61 to 63 are displayed in ascending order of examination dates (that is, puncture treatment dates).
  • the puncture treatment test is performed a plurality of times in the ultrasonic examination
  • the medical image having a track record used for the fusion function in the treatment. Are ranked and displayed at the top.
  • the medical image that has been used in the fusion function in the treatment included in the puncture treatment history information held in the examination information holding unit 12 is displayed simultaneously with the ultrasound image.
  • the operator can select a medical image (other modality image) that is highly likely to be referred to during past puncture treatment. It can be easily recognized and such a medical image can be efficiently taken into the ultrasonic diagnostic apparatus 10.

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