WO2017138454A1 - 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム - Google Patents
超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム Download PDFInfo
- Publication number
- WO2017138454A1 WO2017138454A1 PCT/JP2017/003973 JP2017003973W WO2017138454A1 WO 2017138454 A1 WO2017138454 A1 WO 2017138454A1 JP 2017003973 W JP2017003973 W JP 2017003973W WO 2017138454 A1 WO2017138454 A1 WO 2017138454A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- region
- interest
- ultrasonic
- reference value
- image
- Prior art date
Links
Images
Classifications
-
- 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
- A61B8/5246—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 the same or different imaging techniques, e.g. color Doppler and B-mode
- A61B8/5253—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 the same or different imaging techniques, e.g. color Doppler and B-mode combining overlapping images, e.g. spatial compounding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- 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
- A61B8/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
-
- 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
- A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
- A61B8/469—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means for selection of a region of interest
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
-
- 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
- A61B8/5207—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of raw data to produce diagnostic data, e.g. for generating an image
-
- 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
- A61B8/5223—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
-
- 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
- A61B8/4438—Means for identifying the diagnostic device, e.g. barcodes
-
- 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
- A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
Definitions
- the present invention relates to an ultrasonic observation apparatus that observes an observation target tissue using ultrasonic waves, an operation method of the ultrasonic observation apparatus, and an operation program of the ultrasonic observation apparatus.
- ultrasonic elastography is known as a technique for diagnosing an observation target using ultrasonic waves (see, for example, Patent Document 1).
- Ultrasonic elastography is a technique that utilizes the fact that the hardness of cancer and tumor tissue in a living body varies depending on the progress of the disease and the living body.
- an elastic image in which information on the hardness of the living tissue is imaged is generated by coloring the average value of the displacement amount of the living tissue in a predetermined region of interest (ROI: Region of Interest) as a reference value. .
- ROI Region of Interest
- ultrasonic elastography the user sets a region of interest according to the contents of observation. In conventional ultrasonic elastography, it is common to color only the region of interest set by the user.
- a user such as a doctor to be able to know information on the hardness of a living tissue in as wide a region as possible when performing diagnosis using ultrasonic elastography.
- the region to be colored is enlarged from the region of interest to a wider region, the reference value that is the average value of the displacement amount of the region changes. As a result, there is a problem that the color of the entire elastic image is changed, and it may be difficult for the user to observe.
- An object of the present invention is to provide an ultrasonic observation apparatus, an ultrasonic observation apparatus operating method, and an ultrasonic observation apparatus operation program.
- an ultrasonic observation apparatus transmits ultrasonic waves to an observation target and receives ultrasonic waves reflected by the observation target.
- An ultrasonic observation apparatus that performs observation based on an ultrasonic signal acquired by an ultrasonic probe including a transducer, and generates an ultrasonic image data based on the ultrasonic signal; and
- a region-of-interest setting unit that sets two regions of interest
- a reference value calculation unit that calculates reference values according to the ultrasonic signals of the first region of interest and the plurality of second regions of interest; 1 area of interest
- a display region of interest in which the reference value and the reference value of the second region of interest have a predetermined correlation and the second region of interest is maximized is set according to the hardness of the display region
- the predetermined correlation may be that a ratio or difference between the reference value of the first region of interest and the reference value of the second region of interest is a predetermined range. It is a relationship that is within.
- the region-of-interest setting unit may extract a part of a region from the second region of interest having the largest region in the ultrasonic image according to a predetermined rule.
- the second region of interest is sequentially set to exclude, the reference value calculation unit sequentially calculates the reference value of the second region of interest set by the region of interest setting unit, and the elastic image generation unit , Sequentially comparing the reference value of the first region of interest and the reference value of the second region of interest; and the reference value of the first region of interest and the reference value of the second region of interest Is set to the display region of interest, the second region of interest at that time is set.
- the region-of-interest setting unit may set the second region of interest by excluding the first region of interest from a region farther away. It is characterized by.
- the region-of-interest setting unit configures an area along a sound ray of the ultrasonic transducer constituting the ultrasonic image, and the ultrasonic image.
- the second region of interest is set by sequentially excluding regions along the scanning direction of the ultrasonic transducer.
- the ultrasonic observation apparatus receives an average instruction signal that generates an average image obtained by adding and averaging a plurality of ultrasonic images, and generates an average data that generates the average image data.
- An image generation unit; and the region of interest setting unit sets the first region of interest and the plurality of second regions of interest for each ultrasonic image of the plurality of ultrasonic images, and generates the elastic image.
- the unit has the predetermined correlation between the reference value of the first region of interest in each ultrasonic image and the reference value of the second region of interest in each ultrasonic image, and the second A region having the maximum region of interest is set as a third region of interest, and a region in the average image corresponding to a region where the third regions of interest overlap each other is set as the display region of interest.
- the region-of-interest setting unit sets the second region of interest by enlarging a part of the region according to a predetermined rule from the first region of interest. It is characterized by doing.
- the predetermined correlation may be that a difference between the reference value of the first region of interest and the reference value of the second region of interest is within a predetermined range.
- the elastic image generation unit changes the predetermined range according to the reference value of the first region of interest.
- the ultrasonic observation apparatus is characterized in that the reference value is a statistic corresponding to the ultrasonic signal.
- An operation method of the ultrasonic observation apparatus includes an ultrasonic probe including an ultrasonic transducer that transmits ultrasonic waves to an observation target and receives ultrasonic waves reflected by the observation target.
- An operation method of an ultrasonic observation apparatus that performs observation based on an acquired ultrasonic signal, and when an input of a freeze instruction signal for displaying a still image on a display device is received, A region-of-interest setting step of setting a first region of interest set in advance in an ultrasound image generated based on the sound wave signal, and a plurality of second regions of interest including at least the first region of interest;
- a reference value calculation step in which a reference value calculation unit calculates a reference value according to the ultrasonic signal of each of the first region of interest and the plurality of second regions of interest; and an elasticity image generation unit includes the first Interest A reference region of interest in which the reference value of the region and the reference value of the second region of interest have a predetermined correlation and the second region of interest is maximized, and the hardness
- an operation program of the ultrasonic observation apparatus includes an ultrasonic probe including an ultrasonic transducer that transmits ultrasonic waves to an observation target and receives ultrasonic waves reflected by the observation target.
- an ultrasonic probe including an ultrasonic transducer that transmits ultrasonic waves to an observation target and receives ultrasonic waves reflected by the observation target.
- the region-of-interest setting unit is configured based on the ultrasonic signal.
- a region-of-interest setting step for setting a first region of interest set in advance in the generated ultrasound image and a plurality of second regions of interest including at least the first region of interest; and a reference value calculation unit
- a reference value calculating step for calculating reference values corresponding to the ultrasonic signals of the first region of interest and a plurality of the second regions of interest, respectively, and an elastic image generating unit
- a display region of interest in which a quasi-value and the reference value of the second region of interest have a predetermined correlation and the second region of interest is maximized is set according to the hardness of the display region of interest
- an elastic image generation step of generating elastic image data having a display mode.
- an ultrasonic observation apparatus capable of enlarging a colored region of an elastic image while suppressing an effect on the color of the elastic image in a region of interest set by a user, An operation method of the ultrasonic observation apparatus and an operation program of the ultrasonic observation apparatus can be realized.
- FIG. 1 is a diagram schematically showing a configuration of an ultrasonic diagnostic system including an ultrasonic observation apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a flowchart showing an outline of processing performed by the ultrasound observation apparatus according to Embodiment 1 of the present invention.
- FIG. 3 is a diagram illustrating a display example of the first ROI elastic image display device.
- FIG. 4 is a diagram illustrating the displacement amount of each pixel.
- FIG. 5 is a diagram illustrating an example of a second ROI setting method.
- FIG. 6 is a diagram illustrating an example of a second ROI setting method.
- FIG. 7 is a diagram illustrating an example of a second ROI setting method.
- FIG. 8 is a diagram illustrating an example of a second ROI setting method.
- FIG. 1 is a diagram schematically showing a configuration of an ultrasonic diagnostic system including an ultrasonic observation apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a flowchart showing an
- FIG. 9 is a diagram illustrating a display example of the elastic image of the display region of interest on the display device.
- FIG. 10 is a diagram schematically showing a configuration of an ultrasonic diagnostic system including the ultrasonic observation apparatus according to Embodiment 2 of the present invention.
- FIG. 11 is a flowchart showing an outline of processing performed by the ultrasonic observation apparatus according to Embodiment 2 of the present invention.
- FIG. 12 is a flowchart showing an outline of processing performed by the ultrasound observation apparatus according to Embodiment 3 of the present invention.
- FIG. 13 is a diagram illustrating an example of a second ROI setting method.
- FIG. 14 is a diagram illustrating an example of a second ROI setting method.
- FIG. 15 is a diagram illustrating an example of a second ROI setting method.
- FIG. 16 is a diagram illustrating an example of a method for setting the second ROI.
- FIG. 1 is a diagram schematically showing a configuration of an ultrasonic diagnostic system including an ultrasonic observation apparatus according to Embodiment 1 of the present invention.
- An ultrasonic diagnostic system 1 shown in FIG. 1 includes an ultrasonic endoscope 2, an ultrasonic observation device 3, and a display device 4.
- the ultrasonic endoscope 2 includes an ultrasonic transducer 21 that is provided at a distal end portion thereof, transmits ultrasonic waves to a subject to be observed, and receives ultrasonic waves reflected by the subject.
- the ultrasonic transducer 21 converts an electrical pulse signal received from the ultrasonic observation apparatus 3 into an ultrasonic pulse (acoustic pulse) and irradiates the subject, and electrically transmits an ultrasonic echo reflected by the subject. Converted into a typical echo signal (ultrasonic signal) and output.
- the ultrasonic transducer 21 may be an electronic scanning type or a mechanical scanning type.
- Various types of ultrasonic endoscopes 2 are known depending on observation objects such as the digestive tract (esophagus, stomach, duodenum, large intestine) and respiratory organs (trachea, bronchi) of a subject.
- the ultrasonic endoscope 2 includes an imaging unit that images the inside of the subject, a light guide that guides the illumination light from a light source device that generates illumination light to be irradiated to the subject at the time of imaging, to the distal end of the ultrasonic endoscope 2 May be further provided.
- the ultrasonic observation apparatus 3 transmits and receives electrical signals to and from the ultrasonic endoscope 2 via an ultrasonic cable.
- the ultrasonic observation apparatus 3 performs a predetermined process on the electrical echo signal received from the ultrasonic endoscope 2 to generate an ultrasonic image or the like.
- the ultrasonic observation apparatus 3 includes a transmission / reception unit 31 that transmits / receives signals to / from the ultrasonic transducer 21, and a signal processing unit 32 that generates digital reception data based on echo signals received from the transmission / reception unit 31.
- An input unit 33 that receives input of various information including an operation instruction signal of the ultrasonic observation apparatus 3, a region of interest setting unit 34 that sets a region of interest in an ultrasonic image, and an observation point (sampling point) in the region of interest
- a displacement amount calculation unit 35 that calculates a displacement amount between images in the image
- a reference value calculation unit 36 that calculates a reference value based on the displacement amount
- image generation that generates data of various images including an ultrasonic image and an elasticity image Unit 37
- a control unit 38 that controls the overall operation of the ultrasound diagnostic system 1
- a storage unit 39 that stores various types of information necessary for the operation of the ultrasound observation apparatus 3.
- the ultrasonic observation apparatus 3 can set an elastography mode in which information related to the relative hardness of the observation target in the region of interest is imaged with visual information such as color.
- the transmission / reception unit 31 transmits a pulsed transmission drive wave signal to the ultrasonic transducer 21 based on a predetermined waveform and transmission timing.
- the transmission / reception unit 31 receives an electrical echo signal from the ultrasonic transducer 21.
- the transmission / reception unit 31 transmits various control signals output from the control unit 38 to the ultrasonic endoscope 2, and receives various types of information including an identification ID from the ultrasonic endoscope 2 to receive the control unit 38. It also has a function to transmit to.
- the signal processing unit 32 performs known processing such as band-pass filter, envelope detection, and logarithmic conversion on the echo signal to generate digital ultrasonic image reception data (hereinafter referred to as reception data).
- the signal processing unit 32 is a general-purpose processor such as a CPU (Central Processing Unit), or an integrated circuit that performs a specific function such as an ASIC (Application Specific Integrated Circuit) or FPGA (Field Programmable Gate Array). Is done.
- CPU Central Processing Unit
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- the input unit 33 receives an input of a signal instructing setting of a first region of interest (hereinafter referred to as a first ROI). In addition, the input unit 33 accepts an input of a freeze instruction signal whose display on the display device 4 is a still image.
- the input unit 33 is configured using a user interface such as a keyboard, a mouse, and a touch panel.
- the region-of-interest setting unit 34 sets the first ROI based on the setting input received by the input unit 33. In addition, when the input unit 33 receives the input of the freeze instruction signal, the region-of-interest setting unit 34 sets a plurality of second regions of interest (hereinafter referred to as second ROIs) including the first ROI.
- second ROIs second regions of interest
- the displacement amount calculation unit 35 calculates the displacement amount of the tissue at the observation point (sampling point) in the ultrasonic image according to the pressurization by the pulsation of the subject based on the reception data generated by the signal processing unit 32. To do.
- the displacement amount calculation unit 35 calculates the displacement amount by comparing, for example, the latest ultrasonic image and the ultrasonic image generated one frame before.
- the reference value calculation unit 36 calculates reference values corresponding to the displacement amounts calculated by the first ROI and the plurality of second ROI displacement amount calculation units 35, respectively.
- the reference value is, for example, an average value (statistical amount) of the displacement amount of the first ROI and the plurality of second ROIs.
- the reference value may be a statistic such as a maximum value, a minimum value, a median value, or a mode value.
- the image generating unit 37 visually generates information on the hardness of the tissue to be observed based on the amount of displacement in the ultrasonic image generating unit 371 that generates ultrasonic image data based on the received data. And an elastic image generation unit 372 that generates an elastic image expressed in (1).
- the ultrasonic image data generated by the ultrasonic image generation unit 371 is, for example, B-mode image data obtained by converting the amplitude into luminance.
- the elastic image generation unit 372 sequentially generates elastic image data having a display mode corresponding to the hardness of the first ROI until the input unit 33 receives the input of the freeze instruction signal.
- the elastic image generation unit 372 has a predetermined correlation between the reference value of the first ROI and the reference value of the second ROI, and the display region of interest where the second ROI is maximized.
- the predetermined correlation is, for example, a relationship in which the difference between the reference value of the first ROI and the reference value of the second ROI is within a predetermined range, but the ratio or sum of the reference value of the first ROI and the reference value of the second ROI,
- the product or the like may have a predetermined correlation.
- the elastic image generation unit 372 generates elastic image data having a display mode corresponding to the hardness of the display region of interest.
- the elastic image generated by the elastic image generation unit 372 is an image obtained by giving visual information such as a color and a pattern to each point in the display region of interest based on the calculation result of the displacement amount calculation unit 35. Specifically, the elastic image generation unit 372 gives a green color to the tissue corresponding to the average hardness in the display region of interest, gives a blue tone color to the tissue harder than the average, and softens the tissue softer than the average.
- Elastic image data is generated by giving a red color to the image.
- the control unit 38 includes a display control unit 381 that controls the display of the display device 4.
- the display control unit 381 controls the display device 4 to display various images generated by the image generation unit 37.
- the control unit 38 is realized by using a general-purpose processor such as a CPU having arithmetic and control functions, or a dedicated integrated circuit such as an ASIC or FPGA.
- a general-purpose processor such as a CPU having arithmetic and control functions
- a dedicated integrated circuit such as an ASIC or FPGA.
- various programs and various data stored in the storage unit 39 are read from the storage unit 39 and various arithmetic processes related to the operation of the ultrasound observation apparatus 3 are executed.
- various types of processing may be executed alone, or various types of processing may be executed by using various types of data stored in the storage unit 39.
- control unit 38, the signal processing unit 32, the region-of-interest setting unit 34, the displacement amount calculation unit 35, the reference value calculation unit 36, and at least a part of the image generation unit 37 are shared by a common general-purpose processor.
- a dedicated integrated circuit or the like can be used.
- the storage unit 39 includes an ultrasonic image storage unit 391 that at least temporarily stores data of a plurality of ultrasonic images generated by the ultrasonic image generation unit 371, and a first ROI and a second ROI set for the ultrasonic image.
- a region-of-interest storage unit 392 that stores information regarding the displacement amount storage unit 393 that stores the displacement amount calculated by the displacement amount calculation unit 35, and a reference value storage unit 394 that stores the reference value calculated by the reference value calculation unit 36 And having.
- the number of ultrasonic images stored in the ultrasonic image storage unit 391 is set in advance.
- the displacement amount storage unit 393 stores displacement amount data including a necessary amount when the displacement amount calculation unit 35 calculates the displacement amount.
- the reference value storage unit 394 stores reference value data including a necessary amount when the region-of-interest setting unit 34 performs comparison of reference values.
- the storage unit 39 stores various programs including an operation program for executing the operation method of the ultrasonic observation apparatus 3.
- Various programs including the operation program can be recorded on a computer-readable recording medium such as a hard disk, a flash memory, a CD-ROM, a DVD-ROM, or a flexible disk and widely distributed.
- the various programs described above can also be obtained by downloading via a communication network.
- the communication network here is realized by, for example, an existing public line network, LAN (Local Area Network), WAN (Wide Area Network) or the like, and may be wired or wireless.
- the storage unit 39 is realized by using a ROM (Read Only Memory) in which various programs and the like are installed in advance, and a RAM (Random Access Memory) that stores calculation parameters and data of each process.
- ROM Read Only Memory
- RAM Random Access Memory
- the display device 4 is configured by using liquid crystal or organic EL (Electro Luminescence), and receives image data such as an ultrasonic image and an elasticity image generated by the ultrasonic observation device 3 and displays those images. .
- image data such as an ultrasonic image and an elasticity image generated by the ultrasonic observation device 3 and displays those images.
- FIG. 2 is a flowchart showing an outline of processing performed by the ultrasonic observation apparatus according to Embodiment 1 of the present invention.
- the ultrasonic diagnostic system 1 is set to the elastography mode
- the transmission / reception unit 31 starts transmission of the transmission drive wave
- the ultrasonic transducer 21 starts transmission of the ultrasonic wave.
- the process when the setting of the 1st ROI in the image is completed is shown.
- the transmission / reception unit 31 receives an echo signal that is a measurement result of an observation target by the ultrasonic transducer 21 from the ultrasonic endoscope 2 (step S1).
- the signal processing unit 32 generates reception data by performing a predetermined reception process on the echo signal received from the ultrasonic transducer 21 (step S2). Specifically, the transmission / reception unit 31 amplifies the echo signal (STC correction) and then performs processing such as filtering and A / D conversion.
- the ultrasonic image generation unit 371 generates ultrasonic image data using the reception data generated by the signal processing unit 32 and stores the data in the ultrasonic image storage unit 391, and also controls the display control unit 381. Originally, the data is output to the display device 4 (step S3).
- the displacement amount calculation unit 35 calculates the displacement amount at the observation point in the first ROI stored in the region-of-interest storage unit 392 (step S4). At this time, the displacement amount calculation unit 35 calculates the displacement amount at each observation point by using the latest ultrasonic image data and past ultrasonic image data stored in the ultrasonic image storage unit 391.
- FIG. 3 is a diagram illustrating a display example of the first ROI elastic image display device.
- the elastic image 100 shown in the figure displays the hardness of each tissue inside the first ROI 101 as an image so as to be identifiable by color. In FIG. 3, the difference in color is schematically represented by a pattern.
- a color scale 102 indicating the color used in the elastic image 100 is displayed.
- the color scale 102 corresponds to a state where the upper color is harder.
- only a part of the color scale 102 is schematically shown.
- a region 103 shown in FIG. 3 is a region having an average displacement.
- the region 104 is a relatively softest region
- the region 105 is a relatively hardest region.
- the display device 4 displays the elastic image 100 along with the B-mode image. Note that the display device 4 may display the elastic image 100 superimposed on the B-mode image.
- the image generation unit 37 generates image data in which the elastic image 100 is superimposed on the B-mode image, and outputs the image data to the display device 4 under the control of the display control unit 381.
- control unit 38 determines whether or not the input unit 33 has received an instruction input of a freeze instruction signal (step S6). As a result of the determination, when the instruction input of the freeze instruction signal is accepted (step S6: Yes), the process proceeds to step S7. On the other hand, as a result of the determination, if the instruction input of the freeze instruction signal is not accepted (step S6: No), the process returns to step S1 and the processes of steps S1 to S5 are repeated.
- FIG. 4 is a diagram illustrating the displacement amount of each pixel.
- the pixels 106 arranged two-dimensionally and the displacement amount 107 in the pixels 106 are schematically represented.
- a region surrounded by a broken line in the center of FIG. 4 corresponds to the first ROI 101.
- FIG. 5 is a diagram illustrating an example of a second ROI setting method. As shown in FIG. 5, first, the region-of-interest setting unit 34 sets the region A101 including all the pixels 106 shown in FIG. 4 as the second ROI so that the second ROI is maximized.
- the reference value calculation unit 36 calculates the average value of the displacement amounts 107 of the first ROI 101 and the second ROI (step S8). Specifically, the reference value calculation unit 36 calculates the average value of 7.33 by dividing the sum (66) of the displacement amounts 107 in the first ROI 101 by the number of pixels (9) included in the first ROI 101. Further, the reference value calculation unit 36 divides the sum (194) of the displacement amounts 107 in the second ROI, which is the region A101, by the number of pixels (30) included in the first ROI 101, and calculates an average value of 6.47. .
- the elastic image generation unit 372 determines whether or not the difference between the average value of the displacement amount 107 of the first ROI 101 and the average value of the displacement amount 107 of the second ROI is within a predetermined range. Is determined (step S9). Specifically, for example, it is determined whether or not the difference between the average value of the displacement amount 107 of the first ROI 101 and the average value of the displacement amount 107 of the second ROI is within a range of ⁇ 0.01 to 0.01.
- step S9 No
- the process returns to step S7, and a new Set a second ROI.
- FIGS. 6 to 8 are diagrams showing an example of the second ROI setting method.
- the region-of-interest setting unit 34 excludes a part of the region from the region A101 of FIG. 5 which is the second ROI having the largest region in the ultrasonic image according to a predetermined rule.
- the second ROI is set sequentially.
- the region-of-interest setting unit 34 configures an ultrasound image and a region along the sound ray direction (corresponding to the vertical direction in FIGS. 6 to 8) of the ultrasound transducer 21 that configures the ultrasound image.
- the second ROI is set by sequentially excluding the region along the scanning direction of the ultrasonic transducer 21 to be performed (corresponding to the horizontal direction in FIGS. 6 to 8).
- FIG. 6 is a region obtained by excluding one pixel from the region A101 in any one of the upper, lower, left, and right directions.
- Areas A106 to A111 in FIG. 7 are areas obtained by excluding one pixel from the area A101 in any one of the upper, lower, left, and right directions.
- a region A112 and a region A113 in FIG. 8 are regions obtained by excluding one pixel from the region A101 in any of the three directions of up, down, left and right.
- the region-of-interest setting unit 34 sequentially sets the regions A102 to A113 as the second ROI.
- step S8 the reference value calculation unit 36 sequentially calculates the average value of the displacement amount 107 of the second ROI set by the region-of-interest setting unit 34. Further, in step S9, the elastic image generation unit 372 controls the display control unit 381 so that the difference between the average value of the displacement amount 107 of the first ROI 101 and the average value of the displacement amount 107 of the second ROI is within a predetermined range. It is determined whether or not.
- the second ROI is the region A102 to the region A112
- Step S7 to S9 are sequentially repeated.
- the region-of-interest setting unit 34 sets the region A113, which is the second ROI at that time, as the display region of interest (step S10).
- the elastic image generation unit 372 generates elastic image data of the display region of interest (step S11), and outputs the data to the display device 4. After step S11, the ultrasonic observation apparatus 3 ends a series of processes.
- FIG. 9 is a diagram showing a display example in the display device of the elastic image of the display region of interest.
- the region in which the image is colored and the hardness of each internal tissue can be visually recognized is enlarged from the first ROI 101 indicated by the broken line to the display region of interest 201.
- a region 203 illustrated in FIG. 9 is a region having an average displacement.
- the region 204 is a relatively softest region
- the region 205 is a relatively hardest region.
- the elastic image generation unit 372 when the elastic image generation unit 372 generates an elastic image, the average value of the displacement amounts of the region where the elastic image is created is used as a reference value, and the difference between the reference value and the displacement amount of each pixel 106 is large. Therefore, the color of the pixel 106 is determined. As described above, the difference between the average displacement amount of the first ROI 101 and the average displacement amount of the display region of interest 201 is within a predetermined range and is sufficiently small. As a result, the colors of the first ROI 101 and the area corresponding to the first ROI 101 in the display region of interest 201 are hardly changed.
- the ultrasonic observation apparatus 3 enlarges the colored region of the elastic image while suppressing the influence on the color of the elastic image in the region of interest set by the user in ultrasonic elastography. It is an ultrasonic observation apparatus that can do.
- the region-of-interest setting unit 34 sets the second ROI by excluding the first ROI 101 in order from the farther region. The farther the area from the first ROI 101, the larger the deviation of the displacement amount from the reference value, which is the average value of the displacement amount of the first ROI 101, in many cases. Can be found.
- the linear ultrasonic transducer 21 whose sound ray direction is along the vertical direction of the display device 4 and whose scanning direction is along the horizontal direction of the display device 4.
- the ultrasonic transducer of the ultrasonic endoscope may be a convex type or a radial type, and is not particularly limited as long as it can generate an ultrasonic image.
- the predetermined range to be compared with the difference between the reference value of the first ROI and the reference value of the second ROI may be determined according to the reference value of the first ROI. For example, the predetermined range is set wider as the reference value of the first ROI is larger.
- the configuration has been described in which the elastic image data of the display region of interest is automatically displayed on the display device 4 when the user inputs a freeze instruction signal from the input unit 33. It is not limited to this.
- a freeze instruction signal from the input unit 33 a message for selecting whether to display the first ROI or the display region of interest to the user is displayed on the display device 4.
- the elasticity image generation unit 372 may generate the corresponding elasticity image data.
- FIG. 10 is a diagram schematically showing a configuration of an ultrasonic diagnostic system including the ultrasonic observation apparatus according to Embodiment 2 of the present invention.
- An ultrasonic diagnostic system 1A shown in FIG. 1 includes an ultrasonic endoscope 2, an ultrasonic observation device 3A, and a display device 4.
- the configuration of the ultrasound diagnostic system 1A other than the ultrasound observation apparatus 3A is the same as the configuration of the ultrasound diagnostic system 1 described in the first embodiment.
- the ultrasonic observation apparatus 3A is different from the ultrasonic observation apparatus 3 described in the first embodiment in the configuration of the image generation unit.
- the image generation unit 37A included in the ultrasonic observation apparatus 3A includes an average image generation unit 373A in addition to the ultrasonic image generation unit 371 and the elastic image generation unit 372.
- the average image generation unit 373A receives the freeze instruction signal for displaying the still image on the display device 4 from the input unit 33.
- the average image generation unit 373A Average image data is generated by averaging the pixel values of each pixel in a plurality of ultrasonic images made up of designated ultrasonic images.
- the input unit 33 accepts a selection input for an image to be subjected to addition averaging.
- the display control unit 381 causes the display device 4 to display a past ultrasonic image that is an object of addition averaging. At this time, the display control unit 381 may display ultrasonic images one by one on the display device 4, or may display several images.
- the average image generation unit 373A generates average image data using a plurality of ultrasonic images selected from the ultrasonic images displayed on the display device 4.
- the region-of-interest setting unit 34 sets a first ROI and a plurality of second ROIs for each of the selected ultrasound images. Then, the elastic image generation unit 372 has a third region in which the reference value of the first ROI in each ultrasonic image and the reference value of the second ROI in each ultrasonic image have a predetermined correlation and the second ROI is maximum. To the region of interest (hereinafter referred to as the third ROI). Furthermore, the region-of-interest setting unit 34 sets a region in the average image corresponding to a region where the third ROIs overlap each other as a display region of interest.
- FIG. 11 is a flowchart showing an outline of processing performed by the ultrasonic observation apparatus according to Embodiment 2 of the present invention.
- the ultrasonic diagnostic system 1A is set to the elastography mode
- the transmission / reception unit 31 starts transmission of the transmission drive wave
- the ultrasonic transducer 21 starts transmission of the ultrasonic wave.
- the process when the setting of the 1st ROI in the image is completed is shown. Furthermore, it is assumed that an average instruction signal is input from the input unit 33 in advance.
- the processes in steps S21 to S26 correspond to the processes in steps S1 to S6 described in the first embodiment in order.
- the average image generation unit 373A After step S26, the average image generation unit 373A generates average image data by averaging the pixel values of the pixels in the plurality of ultrasonic images including the ultrasonic images specified in the average instruction signal (step S26). S27).
- the processes in steps S28 to S30 correspond to the processes in steps S7 to S9 described in the first embodiment in sequence, but these processes are performed for each ultrasonic image of a plurality of ultrasonic images specified in the average instruction signal. For each.
- a region where the reference value of the first ROI and the reference value of the second ROI have a predetermined correlation and the second ROI is maximum is set as the third ROI (step S31).
- the region-of-interest setting unit 34 extracts a region where the third ROIs of the respective ultrasonic images overlap each other, and sets the extracted region in the average image as a display region of interest (step S32).
- the elastic image generation unit 372 generates elastic image data of the display region of interest in the average image (step S33), and outputs the data to the display device 4.
- the ultrasound observation apparatus 3 ends a series of processes.
- the colored region of the elastic image can be enlarged while suppressing the influence on the color of the elastic image.
- the input of the average instruction signal to the input unit 33 may be performed when diagnosis by ultrasonic elastography is started in advance as described above, or after the freeze instruction signal is input to the input unit 33. Also good.
- the region-of-interest setting unit 34 extracts the region where the third ROIs of the respective ultrasonic images overlap with each other and sets the display region of interest, thereby ensuring the color of the elastic image.
- the present invention is not limited to this.
- the region-of-interest setting unit 34 may set a region in the average image corresponding to the region set as the third ROI in any ultrasonic image as the display region of interest. As a result, the display region of interest can be made wider.
- the elastic image generation unit 372 may set an area where the reference value of the first ROI and the reference value of the second ROI have a predetermined correlation in the average image and the second ROI is maximized as the display region of interest. Good.
- the configuration of the ultrasonic diagnostic system including the ultrasonic observation apparatus according to the third embodiment is the same as the configuration of the ultrasonic diagnostic system 1 described in the first embodiment, but the processing performed by the ultrasonic observation apparatus 3 is the same. Different.
- FIG. 12 is a flowchart showing an outline of processing performed by the ultrasonic observation apparatus according to Embodiment 3 of the present invention. Also in the flowchart shown in FIG. 12, the ultrasonic diagnostic system 1 is set to the elastography mode, the transmission / reception unit 31 starts transmission of the transmission drive wave, and the ultrasonic transducer 21 starts transmission of the ultrasonic wave. The process when the setting of the 1st ROI in the image is completed is shown. The processes in steps S41 to S46 sequentially correspond to the processes in steps S1 to S6 described in the first embodiment.
- the region-of-interest setting unit 34 sets the second ROI (step S47).
- 13 to 16 are diagrams illustrating an example of a method for setting the second ROI. As shown in FIGS. 13 to 16, the region-of-interest setting unit 34 sets a second ROI by enlarging a part of the region according to a predetermined rule from the first ROI. Specifically, the region-of-interest setting unit 34 first sets a region A301 obtained by enlarging the first ROI upward by one pixel as the second ROI.
- the reference value calculation unit 36 calculates the average value of the displacement amounts of the first ROI and the second ROI (step S48).
- the elastic image generation unit 372 determines whether or not the difference between the average value of the displacement amount of the first ROI and the average value of the displacement amount of the second ROI is within a predetermined range. Determination is made (step S49). Specifically, it is determined whether or not the difference between the average value of the displacement amount of the first ROI and the average value of the displacement amount of the second ROI which is the region A301 is within a range of ⁇ 0.01 to 0.01. When the difference between the average value of the displacement amount of the first ROI and the average value of the displacement amount of the second ROI is larger than 0.01 (step S49: No), the process proceeds to step S50.
- step 50 it is determined whether or not the area set in the second ROI is the maximum area. As a result of the determination, if the region set as the second ROI is not the maximum region (step S50: No), the process returns to step S47, and a new second ROI is set. As shown in FIG. 13, the new second ROI is a region A302 and a region 303 that are enlarged by one pixel on the right side and the lower side of the first ROI.
- Step S49 If the area A303 is set to the second ROI in step S49, it is determined that the difference between the average value of the displacement amount of the first ROI and the average value of the displacement amount of the second ROI is within a range of -0.01 to 0.01. (Step S49: Yes). At this time, the region-of-interest setting unit 34 sets the region A303 as a fourth region of interest (hereinafter referred to as a fourth ROI) (step S51).
- a fourth ROI fourth region of interest
- the region-of-interest setting unit 34 sets the second ROI so as to expand the region from the fourth ROI.
- the region-of-interest setting unit 34 includes a region A304, a region A305, and a region A306 that are regions obtained by enlarging the fourth ROI that is the region A303 by one pixel in each of the upper and lower right directions.
- the second ROI is set in order.
- the region-of-interest setting unit 34 sets the region A306 as a new fourth ROI. After that, as shown in FIGS. 15 and 16, the region-of-interest setting unit 34 sets the regions A307 to A313 as the second ROI so as to expand the region from the fourth ROI.
- step S50 when the area A313 is set to the second ROI in step S50, it is determined that the area set to the second ROI is the maximum area (step S50: Yes), and the region-of-interest setting unit 34 A region A306 that is the fourth ROI at the time is set as a display region of interest (step S52).
- the elastic image generation unit 372 generates elastic image data of the display region of interest (step S53), and outputs the data to the display device 4. After step S53, the ultrasound observation apparatus 3 ends a series of processes.
- the region-of-interest setting unit 34 sets the second ROI so as to expand the region from the first ROI, and sequentially sets the fourth ROI larger than the first ROI. Can be found.
- the region-of-interest setting unit 34 sets the display region of interest while narrowing the second ROI (Embodiment 1 and Embodiment 2), or sets the display region of interest while expanding the second ROI. (Embodiment 3) is not limited to this.
- the region-of-interest setting unit 34 may set the second ROI so as to cover all the patterns of the region including the first ROI. As a result, the display region of interest is surely set to the maximum region.
- ultrasonic miniature probe for example, a thin ultrasonic miniature probe without an optical system may be applied.
- Ultrasonic miniature probes are usually inserted into the biliary tract, bile duct, pancreatic duct, trachea, bronchi, urethra, ureter, and used to observe surrounding organs (pancreas, lung, prostate, bladder, lymph nodes, etc.).
- an external ultrasonic probe that irradiates ultrasonic waves from the body surface of the subject may be applied.
- the extracorporeal ultrasonic probe is usually used for observing an abdominal organ (liver, gallbladder, bladder), breast (particularly mammary gland), thyroid gland, and the like.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physiology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
図1は、本発明の実施の形態1に係る超音波観測装置を備えた超音波診断システムの構成を模式的に示す図である。同図に示す超音波診断システム1は、超音波内視鏡2と、超音波観測装置3と、表示装置4と、を備える。
図10は、本発明の実施の形態2に係る超音波観測装置を備えた超音波診断システムの構成を模式的に示す図である。同図に示す超音波診断システム1Aは、超音波内視鏡2と、超音波観測装置3Aと、表示装置4と、を備える。超音波観測装置3A以外の超音波診断システム1Aの構成は、実施の形態1で説明した超音波診断システム1の構成と同様である。
実施の形態3に係る超音波観測装置を備えた超音波診断システムの構成は、実施の形態1で説明した超音波診断システム1の構成と同様であるが、超音波観測装置3が行う処理が異なる。
2 超音波内視鏡
3、3A 超音波観測装置
4 表示装置
21 超音波振動子
31 送受信部
32 信号処理部
33 入力部
34 関心領域設定部
35 変位量算出部
36 基準値算出部
37、37A 画像生成部
38 制御部
39 記憶部
100、200 弾性画像
101 第1ROI
102 カラースケール
103、104、105、203、204、205 領域
106 画素
107 変位量
201 表示関心領域
371 超音波画像生成部
372 弾性画像生成部
373A 平均画像生成部
381 表示制御部
391 超音波画像記憶部
392 関心領域記憶部
393 変位量記憶部
394 基準値記憶部
A101、A102、A103、A104、A105、A106、A107、A108、A109、A110、A111、A112、A113、A301、A302、A303、A304、A305、A306、A307、A308、A309、A310、A311、A312、A313 領域
Claims (11)
- 観測対象へ超音波を送信し、該観測対象で反射された超音波を受信する超音波振動子を備えた超音波プローブが取得した超音波信号に基づいて観測を行う超音波観測装置であって、
前記超音波信号に基づいて超音波画像のデータを生成する超音波画像生成部と、
表示装置における表示を静止画とするフリーズ指示信号の入力を受け付けた場合において、前記超音波画像内で予め設定される第1の関心領域、及び少なくとも前記第1の関心領域を包含する複数の第2の関心領域を設定する関心領域設定部と、
前記第1の関心領域及び複数の前記第2の関心領域の前記超音波信号に応じた基準値をそれぞれ算出する基準値算出部と、
前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値とが所定の相関を有し、かつ前記第2の関心領域が最大となる表示関心領域を設定し、該表示関心領域の硬さに応じた表示態様を有する弾性画像のデータを生成する弾性画像生成部と、
を備えることを特徴とする超音波観測装置。 - 前記所定の相関は、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値の比又は差が所定の範囲内にある関係であることを特徴とする請求項1に記載の超音波観測装置。
- 前記関心領域設定部は、前記超音波画像内の最大の領域を有する前記第2の関心領域から、所定の規則に従って領域の一部を除外して逐次前記第2の関心領域を設定し、
前記基準値算出部は、前記関心領域設定部が設定した前記第2の関心領域の前記基準値を逐次算出し、
前記弾性画像生成部は、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値とを逐次比較し、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値とが所定の相関を有する場合に、その時点の前記第2の関心領域を前記表示関心領域に設定することを特徴とする請求項1又は2に記載の超音波観測装置。 - 前記関心領域設定部は、前記第1の関心領域に対して、より遠い領域から順に除外して前記第2の関心領域を設定することを特徴とする請求項3に記載の超音波観測装置。
- 前記関心領域設定部は、前記超音波画像を構成する前記超音波振動子の音線に沿った領域、及び前記超音波画像を構成する前記超音波振動子の走査方向に沿った領域を順に除外して前記第2の関心領域を設定することを特徴とする請求項3又は4に記載の超音波観測装置。
- 複数の超音波画像を加算平均してなる平均画像を生成するアベレージ指示信号の入力を受け付けたとき、前記平均画像のデータを生成する平均画像生成部をさらに備え、
前記関心領域設定部は、前記複数の超音波画像の各超音波画像について、前記第1の関心領域及び複数の前記第2の関心領域を設定し、
前記弾性画像生成部は、前記各超音波画像における前記第1の関心領域の前記基準値と前記各超音波画像における前記第2の関心領域の前記基準値とが前記所定の相関を有し、かつ前記第2の関心領域が最大となる領域を第3の関心領域に設定し、前記各第3の関心領域が互いに重複する領域に対応する前記平均画像内の領域を前記表示関心領域に設定することを特徴とする請求項1~5のいずれか1つに記載の超音波観測装置。 - 前記関心領域設定部は、前記第1の関心領域から、所定の規則に従って領域の一部を拡大して前記第2の関心領域を設定することを特徴とする請求項1に記載の超音波観測装置。
- 前記所定の相関は、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値との差が所定の範囲内にある関係であり、
前記弾性画像生成部は、前記第1の関心領域の前記基準値に応じて、前記所定の範囲を変更することを特徴とする請求項1~7のいずれか1つに記載の超音波観測装置。 - 前記基準値は、前記超音波信号に応じた統計量であることを特徴とする請求項1~8のいずれか1つに記載の超音波観測装置。
- 観測対象へ超音波を送信し、該観測対象で反射された超音波を受信する超音波振動子を備えた超音波プローブが取得した超音波信号に基づいて観測を行う超音波観測装置の作動方法であって、
表示装置における表示を静止画とするフリーズ指示信号の入力を受け付けた場合において、関心領域設定部が、前記超音波信号に基づいて生成される超音波画像内で予め設定される第1の関心領域、及び少なくとも前記第1の関心領域を包含する複数の第2の関心領域を設定する関心領域設定ステップと、
基準値算出部が、前記第1の関心領域及び複数の前記第2の関心領域の前記超音波信号に応じた基準値をそれぞれ算出する基準値算出ステップと、
弾性画像生成部が、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値とが所定の相関を有し、かつ前記第2の関心領域が最大となる表示関心領域を設定し、該表示関心領域の硬さに応じた表示態様を有する弾性画像のデータを生成する弾性画像生成ステップと、
を有することを特徴とする超音波観測装置の作動方法。 - 観測対象へ超音波を送信し、該観測対象で反射された超音波を受信する超音波振動子を備えた超音波プローブが取得した超音波信号に基づいて観測を行う超音波観測装置に、
表示装置における表示を静止画とするフリーズ指示信号の入力を受け付けた場合において、関心領域設定部が、前記超音波信号に基づいて生成される超音波画像内で予め設定される第1の関心領域、及び少なくとも前記第1の関心領域を包含する複数の第2の関心領域を設定する関心領域設定ステップと、
基準値算出部が、前記第1の関心領域及び複数の前記第2の関心領域の前記超音波信号に応じた基準値をそれぞれ算出する基準値算出ステップと、
弾性画像生成部が、前記第1の関心領域の前記基準値と前記第2の関心領域の前記基準値とが所定の相関を有し、かつ前記第2の関心領域が最大となる表示関心領域を設定し、該表示関心領域の硬さに応じた表示態様を有する弾性画像のデータを生成する弾性画像生成ステップと、
を実行させることを特徴とする超音波観測装置の作動プログラム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780023158.2A CN109069118B (zh) | 2016-02-12 | 2017-02-03 | 超声波观测装置、超声波观测装置的工作方法以及超声波观测装置的工作程序 |
EP17750177.2A EP3415096A4 (en) | 2016-02-12 | 2017-02-03 | ULTRASONIC OBSERVATION DEVICE, OPERATING METHOD FOR ULTRASONIC OBSERVATION DEVICE, AND OPERATING PROGRAM FOR ULTRASONIC OBSERVATION DEVICE |
JP2017566917A JP6594458B2 (ja) | 2016-02-12 | 2017-02-03 | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム |
US16/059,173 US20190008483A1 (en) | 2016-02-12 | 2018-08-09 | Ultrasound observation apparatus, method of operating ultrasound observation apparatus, and computer readable recording medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-025217 | 2016-02-12 | ||
JP2016025217 | 2016-02-12 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/059,173 Continuation US20190008483A1 (en) | 2016-02-12 | 2018-08-09 | Ultrasound observation apparatus, method of operating ultrasound observation apparatus, and computer readable recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017138454A1 true WO2017138454A1 (ja) | 2017-08-17 |
Family
ID=59563232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/003973 WO2017138454A1 (ja) | 2016-02-12 | 2017-02-03 | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190008483A1 (ja) |
EP (1) | EP3415096A4 (ja) |
JP (1) | JP6594458B2 (ja) |
CN (1) | CN109069118B (ja) |
WO (1) | WO2017138454A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002125971A (ja) * | 2000-10-25 | 2002-05-08 | Aloka Co Ltd | 超音波診断装置 |
JP3991282B2 (ja) * | 2004-08-05 | 2007-10-17 | 株式会社日立メディコ | 弾性像表示方法及び超音波診断装置 |
JP2007275456A (ja) * | 2006-04-11 | 2007-10-25 | Aloka Co Ltd | 超音波診断装置 |
JP5465671B2 (ja) | 2008-08-29 | 2014-04-09 | 株式会社日立メディコ | 超音波診断装置 |
JP2015131097A (ja) * | 2013-12-13 | 2015-07-23 | 株式会社東芝 | 超音波診断装置、画像処理装置及び画像処理方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1815796A4 (en) * | 2004-11-17 | 2009-10-28 | Hitachi Medical Corp | ULTRASONOGRAPH AND ULTRASONIC IMAGE DISPLAY METHOD |
JP5087341B2 (ja) * | 2007-08-13 | 2012-12-05 | 株式会社日立メディコ | 超音波診断装置 |
US20110194748A1 (en) * | 2008-10-14 | 2011-08-11 | Akiko Tonomura | Ultrasonic diagnostic apparatus and ultrasonic image display method |
US20150141822A1 (en) * | 2012-06-07 | 2015-05-21 | Hitachi Aloka Medical, Ltd. | Method for setting regions of interest and ultrasound diagnostic apparatus |
JP6133984B2 (ja) * | 2012-07-18 | 2017-05-24 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 超音波イメージングデータを処理する方法及びシステム |
CN103720489B (zh) * | 2013-12-30 | 2015-10-28 | 中国科学院深圳先进技术研究院 | 病变组织生长监测方法和系统 |
-
2017
- 2017-02-03 CN CN201780023158.2A patent/CN109069118B/zh active Active
- 2017-02-03 EP EP17750177.2A patent/EP3415096A4/en not_active Withdrawn
- 2017-02-03 WO PCT/JP2017/003973 patent/WO2017138454A1/ja active Application Filing
- 2017-02-03 JP JP2017566917A patent/JP6594458B2/ja active Active
-
2018
- 2018-08-09 US US16/059,173 patent/US20190008483A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002125971A (ja) * | 2000-10-25 | 2002-05-08 | Aloka Co Ltd | 超音波診断装置 |
JP3991282B2 (ja) * | 2004-08-05 | 2007-10-17 | 株式会社日立メディコ | 弾性像表示方法及び超音波診断装置 |
JP2007275456A (ja) * | 2006-04-11 | 2007-10-25 | Aloka Co Ltd | 超音波診断装置 |
JP5465671B2 (ja) | 2008-08-29 | 2014-04-09 | 株式会社日立メディコ | 超音波診断装置 |
JP2015131097A (ja) * | 2013-12-13 | 2015-07-23 | 株式会社東芝 | 超音波診断装置、画像処理装置及び画像処理方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3415096A4 |
Also Published As
Publication number | Publication date |
---|---|
JP6594458B2 (ja) | 2019-10-23 |
US20190008483A1 (en) | 2019-01-10 |
EP3415096A1 (en) | 2018-12-19 |
CN109069118A (zh) | 2018-12-21 |
EP3415096A4 (en) | 2019-11-20 |
CN109069118B (zh) | 2021-04-09 |
JPWO2017138454A1 (ja) | 2018-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6367425B2 (ja) | 超音波診断装置 | |
JP6150970B2 (ja) | 超音波観測装置、超音波観測システム、超音波観測装置の作動方法及び超音波観測装置の作動プログラム | |
JP6513220B2 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
EP3238633A1 (en) | Diagnostic ultrasound apparatus, diagnostic ultrasound apparatus operation method, and diagnostic ultrasound apparatus operation program | |
US20160361044A1 (en) | Medical observation apparatus, method for operating medical observation apparatus, and computer-readable recording medium | |
JP6594458B2 (ja) | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム | |
JP6892320B2 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
JP6513230B2 (ja) | 超音波観測装置、超音波観測装置の作動方法、および超音波観測装置の作動プログラム | |
JP2012245092A (ja) | 超音波診断装置 | |
JP2020044044A (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
JP7094843B2 (ja) | 超音波観測装置、超音波観測装置の作動方法、コンピュータで読み取り可能な記録媒体および超音波診断システム | |
JP6530660B2 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
JP6022135B1 (ja) | 超音波診断装置、超音波診断装置の作動方法および超音波診断装置の作動プログラム | |
JP6726744B2 (ja) | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム | |
JP2017217359A (ja) | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム | |
JP2017035300A (ja) | 超音波観測装置、超音波観測装置の作動方法、超音波観測装置の作動プログラム及び超音波観測システム | |
JP6563800B2 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
WO2016181856A1 (ja) | 超音波診断装置、超音波診断装置の作動方法および超音波診断装置の作動プログラム | |
WO2021152745A1 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
WO2022054288A1 (ja) | 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム | |
JP2017164371A (ja) | 超音波観測装置、超音波観測装置の作動方法、及び超音波観測装置の作動プログラム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17750177 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017566917 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017750177 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2017750177 Country of ref document: EP Effective date: 20180912 |