WO2015130037A1 - Appareil d'imagerie médicale ayant une sonde et procédé de commande d'appareil d'imagerie médicale - Google Patents

Appareil d'imagerie médicale ayant une sonde et procédé de commande d'appareil d'imagerie médicale Download PDF

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Publication number
WO2015130037A1
WO2015130037A1 PCT/KR2015/001334 KR2015001334W WO2015130037A1 WO 2015130037 A1 WO2015130037 A1 WO 2015130037A1 KR 2015001334 W KR2015001334 W KR 2015001334W WO 2015130037 A1 WO2015130037 A1 WO 2015130037A1
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WO
WIPO (PCT)
Prior art keywords
magnetic field
probe
marker
display
field generator
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PCT/KR2015/001334
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English (en)
Inventor
Eun-yeong KIM
Eun-Mi Cho
Jung-Taek Oh
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Samsung Medison Co., Ltd.
Samsung Electronics Co., Ltd.
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Filing date
Publication date
Application filed by Samsung Medison Co., Ltd., Samsung Electronics Co., Ltd. filed Critical Samsung Medison Co., Ltd.
Publication of WO2015130037A1 publication Critical patent/WO2015130037A1/fr

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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
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A61B8/465—Displaying means of special interest adapted to display user selection data, e.g. icons or menus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
    • A61B8/4254—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient using sensors mounted on the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4245—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient
    • A61B8/4263—Details of probe positioning or probe attachment to the patient involving determining the position of the probe, e.g. with respect to an external reference frame or to the patient using sensors not mounted on the probe, e.g. mounted on an external reference frame
    • 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
    • A61B8/46—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
    • 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
    • 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
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • 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
    • G16H15/00—ICT specially adapted for medical reports, e.g. generation or transmission thereof

Definitions

  • One or more exemplary embodiments relate to a medical imaging apparatus and a method of controlling the same to provide medical images to a user, and more particularly, to a method and apparatus for conveniently providing a position of a probe to a user.
  • Various medical imaging apparatuses are used to observe the internal structure of a human body and diagnose different diseases.
  • the medical imaging apparatuses may include ultrasound diagnosis apparatuses, computed tomography (CT) apparatuses, magnetic resonance imaging apparatuses, positron emission tomography (PET) apparatuses, and X-ray apparatuses.
  • CT computed tomography
  • PET positron emission tomography
  • X-ray apparatuses X-ray apparatuses.
  • Some of these medical imaging apparatuses may include a probe in order to acquire a medical image.
  • an ultrasound diagnosis apparatus transmits ultrasound signals generated by transducers located in a probe to an object and receives echo signals reflected from the object, thereby obtaining images of an inner area of the object.
  • the ultrasound diagnosis apparatus may be used for medical purposes such as observing an inner area of an object, detecting foreign substances, and assessing injuries.
  • the ultrasound diagnosis apparatus may have safety and display information regarding an object in real-time.
  • unlike an X-ray diagnosis apparatus there is no risk of radiation exposure when an ultrasound diagnosis apparatus is used, and thus, the ultrasound diagnosis apparatus is very safe. Therefore, an ultrasound diagnosis apparatus is widely used together with other types of imaging diagnosis devices.
  • One or more exemplary embodiments include a method and apparatus for conveniently inputting position information of a probe to a medical imaging apparatus.
  • One or more exemplary embodiments include a method and apparatus for conveniently providing information about a position of a probe to a user.
  • a method of controlling a medical imaging apparatus includes: generating a magnetic field by using a magnetic field generator fixed onto a landmark point on a surface of a body part; obtaining a value of magnetic field intensity by using a magnetic sensor placed in a probe; estimating a position of the probe relative to the landmark point, based on the obtained value; and displaying a marker on a display included in the medical imaging apparatus, based on the estimated position.
  • FIG. 1 is a block diagram of a configuration of an ultrasound diagnosis apparatus according to an exemplary embodiment
  • FIG. 2 is a block diagram of a configuration of a wireless probe according to an exemplary embodiment
  • FIG. 3 is a flowchart of a process of controlling a medical imaging apparatus according to an exemplar embodiment
  • FIG. 4 is a conceptual diagram of a configuration of a medical imaging apparatus according to an exemplary embodiment
  • FIG. 5 is a plan view and a side view of a magnetic field generator according to an exemplary embodiment
  • FIG. 6 is a conceptual diagram showing a position of a probe relative to a point where a magnetic field is generated, according to an exemplary embodiment
  • FIG. 7 is a conceptual diagram showing a screen displayed on a medical imaging apparatus, according to an exemplary embodiment
  • FIG. 8 is a conceptual diagram showing a screen displayed on a medical imaging apparatus, according to another exemplary embodiment.
  • FIG. 9 is a conceptual diagram showing a method of displaying a report on a display of a medical imaging apparatus, according to an exemplary embodiment.
  • a method of controlling a medical imaging apparatus includes: generating a magnetic field by using a magnetic field generator fixed onto a landmark point on a surface of a body part; obtaining a value of magnetic field intensity by using a magnetic sensor placed in a probe; estimating a position of the probe relative to the landmark point, based on the obtained value; and displaying a marker on a display included in the medical imaging apparatus, based on the estimated position.
  • the displaying of the marker on the display may further include displaying at least one selected from an azimuth angle, a distance, and an orientation of the probe relative to the landmark point.
  • a medical image generated based on information acquired via the probe may be displayed together with the marker in the displaying of the marker.
  • the method may further include generating report information about the medical image, the report information including information about the estimated position of the probe.
  • a guide marker indicating a fixed position may be further displayed.
  • the displaying of the marker may include, if the position of the marker coincides with a preset position, changing at least one selected from hue, brightness, and saturation of the marker.
  • a medical imaging apparatus including a probe includes: a magnetic field generator that is fixed onto a landmark point on a surface of the body part and generates a magnetic field; a magnetic sensor that is placed in a probe and obtains a value characterizing the magnetic field generated by the magnetic field generator; an image processor configured to estimate a position of the probe relative to the landmark point, based on the obtained value characterizing the magnetic field; and a display configured to display a marker based on the estimated position.
  • the display may further display at least one selected from an azimuth angle, a distance, and an orientation of the probe relative to the landmark point.
  • the display may display together with the marker a medical image generated based on information acquired via the probe.
  • the apparatus may further include a data processor configured to generate report information about the medical image, the report information including information about the estimated position of the probe.
  • the display may change at least one selected from hue, brightness, and saturation of the marker.
  • the display may further display a difference between the position of the marker and the preset position.
  • the magnetic field generator may include a projection receiving groove that accommodates a protruding part of the body part.
  • the magnetic field generator may include an adhering portion that is positioned on one side of the magnetic field generator and be used to attach the magnetic field generator to the body part.
  • the magnetic field generator may include a permanent magnet or an induction magnet for producing a magnetic field within the magnetic field generator.
  • the magnetic field generator may include a bar-shaped magnet receptacle for accommodating a permanent magnet or an induction magnet.
  • a non-transitory computer-readable recording medium has recorded thereon a program for executing the above-described method on a computer.
  • an "ultrasound image” refers to an image of an object, which is obtained using ultrasound waves.
  • an "object” may be a human, an animal, or a part of a human or animal.
  • the object may be an organ (e.g., the liver, the heart, the womb, the brain, a breast, or the abdomen), a blood vessel, or a combination thereof.
  • the object may be a phantom.
  • the phantom means a material having a density, an effective atomic number, and a volume that are approximately the same as those of an organism.
  • a "user” may be, but is not limited to, a medical expert, for example, a medical doctor, a nurse, a medical laboratory technologist, or a medical imaging expert, or a technician who repairs medical apparatuses.
  • an ultrasound diagnosis apparatus is hereinafter described as a representative example of a medical imaging apparatus.
  • the medical imaging apparatus may include another type of a medical imaging apparatus including a probe, as well as an ultrasound diagnosis apparatus.
  • a medical imaging apparatus may be an ultrasound diagnosis apparatus.
  • FIG. 1 is a block diagram of a configuration of an ultrasound diagnosis apparatus 1000 according to an exemplary embodiment.
  • the ultrasound diagnosis apparatus 1000 may include a probe 20, an ultrasound transceiver 100, an image processor 200, a communication module 300, a display 300, a memory 400, an input device 500, and a controller 600, which may be connected to one another via buses 700.
  • the ultrasound diagnosis apparatus 1000 may be a cart type apparatus or a portable type apparatus.
  • portable ultrasound diagnosis apparatuses may include, but are not limited to, a picture archiving and communication system (PACS) viewer, a smartphone, a laptop computer, a personal digital assistant (PDA), and a tablet PC.
  • PACS picture archiving and communication system
  • smartphone a smartphone
  • laptop computer a laptop computer
  • PDA personal digital assistant
  • tablet PC a tablet PC
  • the probe 20 transmits ultrasound waves to an object 10 in response to a driving signal applied by the ultrasound transceiver 100 and receives echo signals reflected by the object 10.
  • the probe 20 includes a plurality of transducers that oscillate in response to electric signals applied thereto and generate acoustic energy, that is, ultrasound waves.
  • the probe 20 may be connected to the main body of the ultrasound diagnosis apparatus 1000 via a wire or wirelessly.
  • a transmitter 110 supplies a driving signal to the probe 20.
  • the transmitter 1110 includes a pulse generator 112, a transmission delaying unit 114, and a pulser 116.
  • the pulse generator 112 generates pulses for forming transmission ultrasound waves based on a predetermined pulse repetition frequency (PRF), and the transmission delaying unit 114 delays the pulses by delay times necessary for determining transmission directionality.
  • the pulses which have been delayed respectively correspond to a plurality of piezoelectric vibrators included in the probe 20.
  • the pulser 116 applies a driving signal (or a driving pulse) to the probe 20 based on timing corresponding to each of the pulses which have been delayed.
  • a receiver 120 generates ultrasound data by processing echo signals received from the probe 20.
  • the receiver 120 may include an amplifier 122, an analog-to-digital converter (ADC) 124, a reception delaying unit 126, and a summing unit 128.
  • the amplifier 122 amplifies echo signals in each channel, and the ADC 124 performs analog-to-digital conversion with respect to the amplified echo signals.
  • the reception delaying unit 126 delays digital echo signals output by the ADC 124 by delay times necessary for determining reception directionality, and the summing unit 128 generates ultrasound data by summing the echo signals processed by the reception delaying unit 126.
  • the receiver 120 may not include the amplifier 122. In other words, if the sensitivity of the probe 20 or the capability of the ADC 124 to process bits is enhanced, the amplifier 122 may be omitted.
  • the image processor 200 generates an ultrasound image by scan-converting ultrasound data generated by the ultrasound transceiver 100 and displays the ultrasound image.
  • the ultrasound image may be not only a grayscale ultrasound image obtained by scanning an object in an amplitude (A) mode, a brightness (B) mode, and a motion (M) mode, but also a Doppler image showing a movement of an object via a Doppler effect.
  • the Doppler image may be a blood flow Doppler image showing flow of blood (also referred to as a color Doppler image), a tissue Doppler image showing a movement of tissue, or a spectral Doppler image showing a moving speed of an object as a waveform.
  • a B mode processor 212 extracts B mode components from ultrasound data and processes the B mode components.
  • An image generator 220 may generate an ultrasound image indicating signal intensities as brightness based on the extracted B mode components.
  • a Doppler processor 214 may extract Doppler components from ultrasound data, and the image generator 220 may generate a Doppler image indicating a movement of an object as colors or waveforms based on the extracted Doppler components.
  • the image generator 220 may generate a three-dimensional (3D) ultrasound image via volume-rendering with respect to volume data and may also generate an elasticity image by imaging deformation of the object 10 due to pressure. Furthermore, the image generator 220 may display various pieces of additional information in an ultrasound image by using text and graphics. In addition, the generated ultrasound image may be stored in the memory 400.
  • 3D three-dimensional
  • a display 230 displays the generated ultrasound image.
  • the display 230 may display not only an ultrasound image, but also various pieces of information processed by the ultrasound diagnosis apparatus 1000 on a screen image via a graphical user interface (GUI).
  • GUI graphical user interface
  • the ultrasound diagnosis apparatus 1000 may include two or more displays 230 according to embodiments of the present inventive concept.
  • the communication module 300 is connected to a network 30 by wire or wirelessly to communicate with an external device or a server.
  • the communication module 300 may exchange data with a hospital server or another medical apparatus in a hospital, which is connected thereto via a PACS.
  • the communication module 300 may perform data communication according to the digital imaging and communications in medicine (DICOM) standard.
  • DICOM digital imaging and communications in medicine
  • the communication module 300 may transmit or receive data related to diagnosis of an object, e.g., an ultrasound image, ultrasound data, and Doppler data of the object, via the network 30 and may also transmit or receive medical images captured by another medical apparatus, e.g., a computed tomography (CT) apparatus, a magnetic resonance imaging (MRI) apparatus, or an X-ray apparatus. Furthermore, the communication module 300 may receive information about a diagnosis history or medical treatment schedule of a patient from a server and utilizes the received information to diagnose the patient. Furthermore, the communication module 300 may perform data communication not only with a server or a medical apparatus in a hospital, but also with a portable terminal of a medical doctor or patient.
  • CT computed tomography
  • MRI magnetic resonance imaging
  • the communication module 300 is connected to the network 30 by wire or wirelessly to exchange data with a server 32, a medical apparatus 34, or a portable terminal 36.
  • the communication module 300 may include one or more components for communication with external devices.
  • the communication module 1300 may include a local area communication module 310, a wired communication module 320, and a mobile communication module 330.
  • the local area communication module 310 refers to a module for local area communication within a predetermined distance.
  • Examples of local area communication techniques according to an embodiment of the present inventive concept may include, but are not limited to, wireless LAN, Wi-Fi, Bluetooth, ZigBee, Wi-Fi Direct (WFD), ultra wideband (UWB), infrared data association (IrDA), Bluetooth low energy (BLE), and near field communication (NFC).
  • the wired communication module 320 refers to a module for communication using electric signals or optical signals.
  • Examples of wired communication techniques according to an embodiment of the present inventive concept may include communication via a twisted pair cable, a coaxial cable, an optical fiber cable, and an Ethernet cable.
  • the mobile communication module 330 transmits or receives wireless signals to or from at least one selected from a base station, an external terminal, and a server on a mobile communication network.
  • the wireless signals may be voice call signals, video call signals, or various types of data for transmission and reception of text/multimedia messages.
  • the memory 400 stores various data processed by the ultrasound diagnosis apparatus 1000.
  • the memory 400 may store medical data related to diagnosis of an object, such as ultrasound data and an ultrasound image that are input or output, and may also store algorithms or programs which are to be executed in the ultrasound diagnosis apparatus 1000.
  • the memory 400 may be any of various storage media, e.g., a flash memory, a hard disk drive, EEPROM, etc. Furthermore, the ultrasound diagnosis apparatus 1000 may utilize web storage or a cloud server that performs the storage function of the memory 400 online.
  • the input device 500 refers to a means via which a user inputs data for controlling the ultrasound diagnosis apparatus 1000.
  • the input device 500 may include hardware components, such as a keypad, a mouse, a touch panel, a touch screen, and a jog switch.
  • the input device 1600 may further include any of various other input units including an electrocardiogram (ECG) measuring module, a respiration measuring module, a voice recognition sensor, a gesture recognition sensor, a fingerprint recognition sensor, an iris recognition sensor, a depth sensor, a distance sensor, etc.
  • ECG electrocardiogram
  • the controller 600 may control all operations of the ultrasound diagnosis apparatus 1000. In other words, the controller 600 may control operations among the probe 20, the ultrasound transceiver 100, the image processor 200, the communication module 300, the memory 400, and the input device 500 shown in FIG. 1.
  • All or some of the probe 20, the ultrasound transceiver 100, the image processor 200, the communication module 300, the memory 400, the input device 500, and the controller 600 may be implemented as software modules. However, embodiments of the present inventive concept are not limited thereto, and some of the components stated above may be implemented as hardware modules. Furthermore, at least one selected from the ultrasound transceiver 100, the image processor 200, and the communication module 300 may be included in the controller 1700. However, embodiments of the present inventive concept are not limited thereto.
  • FIG. 2 is a block diagram of a configuration of a wireless probe 2000 according to an embodiment of the present inventive concept.
  • the wireless probe 2000 may include a plurality of transducers, and, according to embodiments of the present inventive concept, may include some or all of the components of the ultrasound transceiver 100 shown in FIG. 1.
  • the wireless probe 2000 includes a transmitter 2100, a transducer 2200, and a receiver 2300. Since descriptions thereof are given above with reference to FIG. 1, detailed descriptions thereof will be omitted here.
  • the wireless probe 2000 may selectively include a reception delaying unit 2330 and a summing unit 2340.
  • the wireless probe 2000 may transmit ultrasound signals to the object 10, receive echo signals from the object 10, generate ultrasound data, and wirelessly transmit the ultrasound data to the ultrasound diagnosis apparatus 1000 shown in FIG. 1.
  • FIG. 3 is a flowchart of a process of controlling a medical imaging apparatus according to an exemplary embodiment.
  • the medical imaging apparatus may obtain magnetic field intensity via a magnetic sensor (S3100).
  • the magnetic sensor may be placed in a probe of the medical imaging apparatus.
  • the magnetic sensor may be disposed within the probe.
  • the magnetic sensor may be attachable to or detachable from the probe, and be modified in various ways.
  • the magnetic sensor may include a plurality of sensing elements for detecting a plurality of magnetic fields.
  • the sensing elements may measure intensities of magnetic fields having directions along three axes, respectively.
  • the medical imaging apparatus may determine an intensity and a direction of a magnetic field sensed by each of the sensing elements based on intensities of magnetic fields detected by the sensing elements.
  • the sensing elements may detect intensities and directions of magnetic fields to convert the detected intensities and directions of the magnetic fields into electrical signals.
  • Each of the sensing elements may be constructed using a hall element, a magnetoresistor, a flux gate magnetometer, a superconducting quantum interference device (SQUID), a fiber optic magnetic sensor, a proton precession magnetometer, or an optical pumping magnetometer.
  • a magnetic field detected by the magnetic sensor may be a magnetic field generated by the magnetic field generator disposed at a landmark point on a human body.
  • the magnetic field generator may be incorporated into the medical imaging apparatus or in a separate device.
  • the magnetic field generator may include a permanent or induction magnet for creating a magnetic field.
  • the medical imaging apparatus may sense a magnetic field generated by the magnetic field generator placed on a nipple of the breast.
  • the magnetic field generator may be fixed on a landmark point by using a fixing element for fixing the magnetic field generator on the human body.
  • FIG. 6 is a conceptual diagram showing a position and an orientation of a probe 20 relative to a point where a magnetic field is generated, according to an exemplary embodiment.
  • a medical imaging apparatus is an ultrasound diagnosis apparatus
  • the probe 20 may be disposed at a point on a breast 6000 in order to obtain an ultrasound image of the breast 6000.
  • a magnetic field generator 4200 may be located on a nipple.
  • a magnetic sensor 610 is disposed on one side of the probe 20 and may sense a magnetic field created by the magnetic field generator 4200.
  • the medical imaging apparatus may estimate a position and an orientation of a probe relative to a landmark point based on the obtained magnetic field intensity (S3200).
  • the medical imaging apparatus may estimate a position and an orientation of the probe relative to a landmark point from intensities and directions of magnetic fields detected by the plurality of sensing elements in the magnetic sensor. Since a method of estimating a point where a magnetic field is generated based on intensities of magnetic fields detected at different positions is obvious to those skilled in the art, a detailed description thereof is omitted.
  • the medical imaging apparatus may display a marker at a position of a display corresponding to the estimated position in the estimated orientation (S3300).
  • the medical imaging apparatus may display a marker 7020 indicating a position and an orientation of the probe via the display.
  • the marker 7020 may be displayed at a position of the display corresponding to the estimated position in the estimated orientation.
  • the medical imaging apparatus may display the screen 7000 including a medical image 7010 acquired via the probe.
  • the medical imaging apparatus may display information 7030 related to a position of the probe, such as an azimuth angle, a position of the probe, and a distance from a landmark point.
  • the medical imaging apparatus may store a position of a probe at a time point when a medical image is captured, together with the medical image. Then, when the stored medical image is displayed on a display, the medical imaging apparatus displays a screen 8000 including a guide marker 8010 indicating a position and an orientation of the probe at a time point when the medical image 7010 is captured, as well as a marker 7020 indicating current position and orientation of the probe.
  • a user may capture a medical image after moving the probe so that the marker 7020 is displayed at the same position as the guide marker 8010, thereby easily obtaining a medical image at the same position as a position where a medical image was previously captured.
  • the medical imaging apparatus may also display the screen 8000 indicating a difference 8020 between a position of the probe at a time point when the medical image 7010 is captured and current position of the probe.
  • the medical imaging apparatus may further display the screen 8000 indicating a difference 8020 between an orientation of the probe at a time point when the medical image 7010 is captured and current orientation.
  • the medical image 7010 in the screen 8000 may include at least one of a medical image previously captured at the position of the guide marker 8010 and a medical image captured at the position of the marker 7020.
  • the medical imaging apparatus may display the marker 7020 flashing on and off.
  • the medical imaging apparatus may generate an alarm sound.
  • the medical imaging apparatus may create report information containing information about a disease related to a medical image.
  • the medical imaging apparatus may generate the report information containing information about a position and an orientation of the probe (20 in FIG. 1) estimated during acquisition of a medical image.
  • FIG. 9 is a conceptual diagram showing a method of displaying a report in a medical imaging apparatus, according to an exemplary embodiment.
  • the medical imaging apparatus may output a user interface 9010 that allows a user to input information related to a disease by selecting buttons.
  • the medical imaging apparatus may create report information 9030 containing position information 9040 of a marker corresponding to a medical image.
  • FIG. 4 is a conceptual diagram of a configuration of a medical imaging apparatus 1000 according to an exemplary embodiment.
  • the medical imaging apparatus 1000 includes a probe 20, a magnetic sensor 4100 disposed in the probe 20, an image processor 200, and a display 230. According to exemplary embodiments, the medical imaging apparatus 1000 may further include a magnetic field generator 4200. In some embodiments, the probe 20 is equipped with the magnetic sensor 4100. The magnetic field generator 4200 may be incorporated into a separate external device (not shown). The medical imaging apparatus 1000 may be only an example for explaining a configuration thereof according to an exemplary embodiment, and may further include more or less components than the components shown in FIG. 4.
  • the magnetic sensor 4100 provided in the probe 20 may be integrated with the probe 20 or be attachable to or detachable from the probe 20.
  • the magnetic sensor 4100 may use a plurality of sensing elements to obtain a magnetic field intensity.
  • the sensing elements may measure intensities of magnetic fields having directions along three axes, respectively.
  • Each of the sensing elements may be constructed using a hall element, a magnetoresistor, a flux gate magnetometer, a superconducting quantum interference device (SQUID), a fiber optic magnetic sensor, a proton precession magnetometer, or an optical pumping magnetometer.
  • SQUID superconducting quantum interference device
  • a magnetic field sensed via the magnetic sensor 4100 may be a magnetic field generated by the magnetic field generator disposed at a point on a human body.
  • the probe 20 may be disposed at a point on a breast 6000 in order to obtain an ultrasound image of the breast 6000.
  • a magnetic field generator 4200 may be located on a landmark point, e.g., a nipple.
  • a magnetic sensor 610 is disposed on one side of the probe 20 and may sense a magnetic field created by the magnetic field generator 4200.
  • the image processor 200 may estimate a position and an orientation of the probe 20 relative to a landmark point based on a magnetic field intensity obtained via the magnetic sensor 4100.
  • the image processor 200 may estimate a position and an orientation of the probe 20 relative to a landmark point from intensities and directions of magnetic fields detected by the plurality of sensing elements in the magnetic sensor 4100.
  • functions of the image processor 200 may be performed by the controller 600 of FIG. 1 or other components for processing data.
  • the display 230 may display a marker at a position estimated by the image processor 200 in an orientation estimated thereby.
  • the display 230 of the medical imaging apparatus 1000 may display a marker 7020 indicating a position and an orientation of the probe 20.
  • the display 230 may display the marker 7020 at a position corresponding to the estimated position in the estimated orientation.
  • the display 230 may display a screen 7000 including the medical image 7010 acquired via the probe 20.
  • the display 230 may display information 7030 related to a position of the probe 20, such as an azimuth angle and a position of the probe 20 and a distance from a landmark point.
  • the medical imaging apparatus 1000 may store a position of the probe 20 at a time point when a medical image is captured in the memory 400 of FIG. 1, together with the medical image. Then, referring to FIGS. 4 and 8, the display 230 may display a screen 8000 including a guide marker 8010 indicating a position and an orientation of the probe 20 at a time point when a medical image 7010 is captured, as well as a marker 7020 indicating current position and orientation of the probe 20. A user may capture a medical image after moving the probe 20 so that the marker 7020 is displayed at the same position as the guide marker 8010, thereby easily obtaining a medical image at the same position as a position where a medical image was previously captured.
  • the display 230 may also display the screen 8000 indicating a difference 8020 between a position of the probe 20 at a time when the medical image 7010 is captured and current position of the probe 20.
  • the display 230 may further display the screen 8000 indicating a difference 8020 between an orientation of the probe 20 at a time when the medical image 7010 is captured and current orientation of the probe 20.
  • the medical image 7010 in the screen 8000 may include at least one of a medical image previously captured at the position of the guide marker 8010 and a medical image captured at the position of the marker 7020.
  • the display 230 may change at least one of hue, brightness, and saturation of the marker 7020. For example, if the marker 7020 is located within a predetermined distance from the position of the guide marker 8010, the display 230 may display the marker 7020 flashing on and off. According to another exemplary embodiment, if the marker 7020 is within a predetermined distance from the position of the guide marker 8010, the medical imaging apparatus 1000 may generate an alarm sound.
  • the medical imaging apparatus 1000 may create report information containing information about a disease related to a medical image.
  • the report information may be created by the image processor 200 or the controller (600 of FIG. 1).
  • the medical imaging apparatus 1000 may generate the report information containing information about a position and an orientation of the probe 20 estimated by the image processor 200.
  • FIG. 9 is a conceptual diagram showing a method of creating and displaying a report in the medical imaging apparatus 1000, according to an exemplary embodiment.
  • the display 230 may output a user interface 9010 that allows a user to input information related to a disease by selecting buttons.
  • the image processor 200 or the controller 600 may create report information 9030 containing position information 9040 of a marker corresponding to a medical image.
  • the magnetic field generator 4200 may generate a magnetic field.
  • the magnetic field generator 4200 may also include a permanent or induction magnet for creating a magnetic field.
  • FIG. 5 is a plan view 5100 and a side view 5200 of the magnetic field generator (4200 of FIG. 4) according to an exemplary embodiment.
  • the magnetic field generator 4200 may include a bar-shaped receptacle 5120 for accommodating a permanent or induction magnet 5110 having a dipole shape. Although not shown in FIG. 5, the receptacle 5120 may be a concave groove in the magnetic field generator 4200.
  • the magnetic field generator 4200 may further include a protruding housing 5210 that sticks out so as to accommodate a part of a human body. For example, if the magnetic field generator 4200 is disposed on a nipple of a breast, the nipple may be accommodated in the protrusion housing 5210.
  • the magnetic field generator 4200 may further include an adhering portion (not shown) that is disposed on one side of the magnetic field generator to contact the human body.
  • the adhering portion may fix the magnetic field generator 4200 to the human body via an adhesive, air compression, or bandage.
  • Exemplary embodiments may be implemented through computer-readable recording media having recorded thereon computer-executable instructions such as program modules that are executed by a computer.
  • Computer-readable recording media may be any available media that can be accessed by a computer and include both volatile and nonvolatile media and both detachable and non-detachable media.
  • the computer-readable media may include computer storage media and communication media.
  • the computer storage media include both volatile and nonvolatile and both detachable and non-detachable media implemented by any method or technique for storing information such as computer-readable instructions, data structures, program modules or other data.
  • the communication media typically embody computer-readable instructions, data structures, program modules, other data of a modulated data signal, or other transmission mechanism, and they include any information transmission media.
  • the computer storage media may be implemented as read-only memory (ROM), random-access memory (RAM), flash memories, compact discs (CDs), digital versatile discs (DVDs), magnetic disks, or magnetic tapes.

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Abstract

L'invention concerne un procédé de commande d'un appareil d'imagerie médicale qui consiste : à générer un champ magnétique à l'aide d'un générateur de champ magnétique fixé sur un point de repère sur une surface de la partie de corps ; à obtenir une valeur d'intensité de champ magnétique à l'aide d'un capteur magnétique placé dans une sonde ; à estimer une position de la sonde par rapport au point de repère, sur la base de la valeur obtenue ; à afficher un marqueur sur un dispositif d'affichage inclus dans l'appareil d'imagerie médicale, sur la base de la position estimée.
PCT/KR2015/001334 2014-02-28 2015-02-10 Appareil d'imagerie médicale ayant une sonde et procédé de commande d'appareil d'imagerie médicale WO2015130037A1 (fr)

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KR10-2014-0024654 2014-02-28
KR1020140024654A KR101611449B1 (ko) 2014-02-28 2014-02-28 프로브를 구비한 의료영상 장치의 제어 방법 및 그 의료영상 장치

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CN110970119A (zh) * 2019-12-18 2020-04-07 四川大学华西医院 一种压力性损伤识别和鉴别的掌上工具
US11419577B2 (en) 2016-04-18 2022-08-23 Koninklijke Philips N.V. Ultrasound system and method for breast tissue imaging

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KR20080042334A (ko) * 2006-11-09 2008-05-15 주식회사 메디슨 초음파 영상 시스템 및 방법
US20090124906A1 (en) * 2007-10-19 2009-05-14 Calin Caluser Three dimensional mapping display system for diagnostic ultrasound machines and method
KR101182880B1 (ko) * 2009-01-28 2012-09-13 삼성메디슨 주식회사 영상 지시자를 제공하는 초음파 시스템 및 방법
JP2013188428A (ja) * 2012-03-15 2013-09-26 Ge Medical Systems Global Technology Co Llc 調節操作装置、穿刺針、超音波プローブ及び超音波診断装置

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KR20080042334A (ko) * 2006-11-09 2008-05-15 주식회사 메디슨 초음파 영상 시스템 및 방법
US20090124906A1 (en) * 2007-10-19 2009-05-14 Calin Caluser Three dimensional mapping display system for diagnostic ultrasound machines and method
KR101182880B1 (ko) * 2009-01-28 2012-09-13 삼성메디슨 주식회사 영상 지시자를 제공하는 초음파 시스템 및 방법
JP2013188428A (ja) * 2012-03-15 2013-09-26 Ge Medical Systems Global Technology Co Llc 調節操作装置、穿刺針、超音波プローブ及び超音波診断装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11419577B2 (en) 2016-04-18 2022-08-23 Koninklijke Philips N.V. Ultrasound system and method for breast tissue imaging
EP3445252B1 (fr) * 2016-04-18 2023-07-12 Koninklijke Philips N.V. Système par ultrasons pour imagerie de tissu mammaire
US11903761B2 (en) 2016-04-18 2024-02-20 Koninklijke Philips N.V. Ultrasound system and method for breast tissue imaging
CN110970119A (zh) * 2019-12-18 2020-04-07 四川大学华西医院 一种压力性损伤识别和鉴别的掌上工具
CN110970119B (zh) * 2019-12-18 2024-03-08 四川大学华西医院 一种压力性损伤识别和鉴别的掌上工具

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