WO2012141517A2 - Appareil de thérapie par ultrasons utilisant la détection de mouvement et procédé associé - Google Patents

Appareil de thérapie par ultrasons utilisant la détection de mouvement et procédé associé Download PDF

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Publication number
WO2012141517A2
WO2012141517A2 PCT/KR2012/002798 KR2012002798W WO2012141517A2 WO 2012141517 A2 WO2012141517 A2 WO 2012141517A2 KR 2012002798 W KR2012002798 W KR 2012002798W WO 2012141517 A2 WO2012141517 A2 WO 2012141517A2
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Prior art keywords
coordinate
information
ultrasound
image
current
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Ceased
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English (en)
Korean (ko)
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WO2012141517A3 (fr
Inventor
신종민
김태호
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Alpinion Medical Systems Co Ltd
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Alpinion Medical Systems Co Ltd
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Publication of WO2012141517A2 publication Critical patent/WO2012141517A2/fr
Publication of WO2012141517A3 publication Critical patent/WO2012141517A3/fr
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00694—Aspects not otherwise provided for with means correcting for movement of or for synchronisation with the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound

Definitions

  • One embodiment of the present invention relates to an ultrasound therapy apparatus using motion tracking and a method therefor. More specifically, in the case of ultrasound treatment, the movement range of the corresponding biological tissue is measured and the measured movement range is converted into 3D data in case the treatment region is changed due to the movement of the biological tissue corresponding to the treatment region of the object. After that, the present invention relates to an ultrasound therapy apparatus using motion tracking and a method therefor for adjusting a treatment area of an object according to movement of a living tissue.
  • High-intensity focused ultrasound is commonly used to treat (process) biological tissues such as cancer, tumors and lesions. That is, the treatment method using high-intensity ultrasound is a method in which the living tissue is necrotic using heat generated by concentrating and transmitting high-intensity ultrasound in one place. At this time, the high-intensity ultrasound should be adjusted to avoid harming healthy biological tissues, the treatment (treatment) by the high-intensity ultrasound can avoid the incision process due to surgery.
  • HIFU High-intensity focused ultrasound
  • the treatment method using high-intensity ultrasound transmits ultrasound for image acquisition to biological tissue to be treated, acquires an image using echo signals reflected therefrom, and transmits high-intensity ultrasound to biological tissue to be treated.
  • the conventional treatment method when the treatment area is changed due to the movement of the corresponding tissue during treatment, there is a problem that damages the normal tissue.
  • an embodiment of the present invention measures the movement range of a corresponding biological tissue in preparation for a case where the biological tissue corresponding to the treatment region of the subject is changed during ultrasound treatment, and uses the treatment region.
  • the main object of the present invention is to provide an ultrasound therapy apparatus using motion tracking and a method therefor.
  • a transmitting and receiving unit for transmitting a diagnostic ultrasound to the object and receiving the ultrasonic echo signal reflected from the object to form a received signal;
  • An image processor for forming an image based on the received signal and outputting the image through a display unit provided with the image;
  • a reference coordinate setting unit that sets reference coordinates based on the first image formed among the images;
  • a treatment region selector which selects a specific region of the first formed image as a treatment region;
  • a displacement information receiver configured to receive maximum displacement information about an X axis, a Y axis, and a Z axis from a sensor attached to the object;
  • a 3D coordinate converter configured to generate motion range information based on the reference coordinate and the maximum displacement information, and convert the motion range information into 3D coordinate indexing displacement information mapped to a 3D rendering model;
  • a storage unit for storing the converted 3D coordinate indexing displacement information;
  • a current coordinate receiver configured to receive current coordinate information from the sensor;
  • a current coordinate checking unit for converting current
  • the step of transmitting a diagnostic ultrasound to the object and receiving the ultrasound echo signal reflected from the object to form a received signal Allowing an image to be formed based on the received signal and outputting the image through a display unit provided with the image; Setting reference coordinates based on a first image formed among the images; Selecting a specific region of the first formed image as a treatment region; Receiving maximum displacement information about an X axis, a Y axis, and a Z axis from a sensor attached to the object; Generating motion range information based on the reference coordinates and the maximum displacement information, and converting the motion range information into 3D coordinate indexing displacement information mapped to a 3D rendering model; Storing the converted 3D coordinate indexing displacement information; Receiving current coordinate information from the sensor; Converting current 3D coordinate indexing information in which the current coordinate is mapped to a 3D rendering model when the current coordinate information is included in the motion range information or 3D coordinate indexing displacement information; Transmitting high
  • the movement range of the corresponding biological tissue is measured, After converting the measured movement range into 3D data, the treatment area of the subject can be adjusted according to the movement of the corresponding biological tissue.
  • the maximum displacement calculation and indexing of the corresponding area to be treated may be performed. There is an effect of improving the speed of treatment through.
  • the effect of improving the accuracy of the ultrasound treatment is have.
  • FIG. 1 is a block diagram schematically showing an ultrasound therapy apparatus using motion tracking according to an embodiment of the present invention
  • FIG. 2 is a block diagram schematically showing a control unit according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a method for measuring a movement range according to an embodiment of the present invention
  • FIG. 4 is a flowchart illustrating an ultrasound therapy method using motion tracking according to an embodiment of the present invention.
  • FIG. 5 is an exemplary view showing a maximum displacement with respect to the X-axis, Y-axis, Z-axis according to an embodiment of the present invention
  • FIG. 6 is an exemplary diagram illustrating 3D coordinate indexing according to an embodiment of the present invention.
  • FIG. 7 is an exemplary view showing a real-time treatment according to an embodiment of the present invention.
  • the high intensity (therapeutic) ultrasound described in the embodiment according to the present invention refers to an ultrasound about 100,000 times stronger than the intensity of the diagnostic ultrasound, and the high intensity ultrasound may be a short period signal or a long period signal depending on the treatment environment.
  • the image may be a B-mode image or a C-mode image.
  • the B-mode image is a gray scale image, and refers to an image mode representing movement of a target object
  • the C-mode image refers to a color flow image mode.
  • BC-Mode Image is a mode that displays the flow of blood flow or the movement of the object using the Doppler Effect (Mode, which provides a B-mode image and a C-mode image at the same time)
  • the image mode provides anatomical information together with blood flow and motion information of the subject. That is, the B-mode is a gray scale image and refers to an image mode representing the movement of the object, and the C-mode is a color flow image and refers to an image mode representing the flow of blood flow or the movement of the object.
  • FIG. 1 is a block diagram schematically showing an ultrasound therapy apparatus using motion tracking according to an embodiment of the present invention.
  • the ultrasound treatment apparatus 100 may include a user input unit 110, a sensor 112, a transceiver 120, an ultrasound generator 122, a storage 130, and a controller 140.
  • the user input unit 110 receives an instruction by a user's manipulation or input.
  • the user command may be a setting command for controlling the ultrasound therapy apparatus 100.
  • the sensor 112 is attached to the object and performs a function of transmitting the movement displacement information of the object to the controller 140.
  • the subject refers to an organ (biotissue) in the human body to be treated.
  • the sensor 112 is preferably a motion sensor, but is not necessarily limited thereto.
  • the sensor 112 may be modified in various ways without departing from the essential characteristics of the present invention. The sensor will be applicable.
  • the sensor 112 may be connected to the control unit 140 by wireless or wired, and may transmit and receive data.
  • the transceiver 120 is configured to transmit a diagnostic ultrasound to the object and receive an ultrasound echo signal reflected from the object to form a received signal. That is, the transceiver 120 operates to transmit a diagnostic ultrasound for obtaining a B-mode image (or a C-mode image) to the object, and receive an ultrasound echo signal reflected from the object to form a received signal. In addition, the transceiver 120 may transmit ultrasound waves to the object based on the control signal received from the controller 140 and receive an ultrasound echo signal reflected from the object to form a received signal. In addition, the transceiver 120 may transmit / receive an ultrasonic wave in a region of interest at a pulse repetition frequency (PRF) based on a control signal received from the controller 140 to form a received signal.
  • PRF pulse repetition frequency
  • the received signal includes a Doppler signal and a clutter signal.
  • the Doppler signal is a signal in which the ultrasonic waves from the transceiver 120 are reflected by the blood flow and have a relatively high frequency but relatively weak intensity.
  • the clutter signal is a signal in which the ultrasonic waves from the transceiver 120 are reflected by the heart wall, the heart plate, and the like, and have a relatively low frequency but a relatively large magnitude.
  • the transceiver 120 includes a probe (not shown) that operates to transmit and receive ultrasonic waves, and a beamformer (not shown) that operates to perform transmission focusing and reception focusing of the ultrasonic waves.
  • the probe includes a plurality of 1D (Dimension) or 2D Array Transducer.
  • the probe transmits the focused ultrasound beam along the transmission scanline to the object (not shown) by appropriately delaying the input time of the pulses input to each transducer.
  • the ultrasonic echo signal reflected from the object is input to each transducer having a different reception time, each transducer is output the input ultrasonic echo signal to the beam former.
  • the beam former adjusts the driving timing of each transducer in the probe when the probe transmits ultrasonic waves, focuses the ultrasonic waves to a specific position, and takes into account that the time when the ultrasonic echo signal reflected from the object reaches each transducer of the probe is different. Then, a time delay is applied to each ultrasonic echo signal of the probe to focus the ultrasonic echo signal.
  • the ultrasound generator 122 transmits high intensity ultrasound to a specific area of the object. That is, the ultrasonic generator 122 transmits the high intensity ultrasonic waves to a specific position adjusted through the user input unit 110.
  • the user first transmits the diagnostic ultrasound to the object through the transceiver 120, and determines a specific region of the object through an image generated based on the received signal formed by receiving the ultrasound echo signal reflected from the object.
  • the user may determine a corresponding position by inputting a position value corresponding to the specific region to the user input unit 110 or by adjusting a direction key such as a joystick.
  • the ultrasonic generator 122 may be manufactured in a circular shape, but is preferably implemented in a form in which the transceiver 120 is formed in the center, but is not necessarily limited thereto.
  • the storage unit 130 stores the received signal and 3D coordinate indexing displacement information formed through the transceiver unit 120. That is, the storage unit 130 may store the 3D coordinate indexing displacement information converted by the controller 140, thereby minimizing the load due to the image processing generated in the process of performing the actual ultrasound treatment by the controller 140. . In other words, since the 3D coordinate indexing displacement information stored in the storage 130 may be used in the ultrasound treatment process, the controller 140 uses the information stored in the storage 130 without undergoing a separate image processing process. It is possible to minimize the load caused by the image processing during the treatment process. In addition, the storage unit 130 stores a plurality of cutoff frequency information for removing the clutter signal from the received signal.
  • the control unit 140 refers to control means for controlling the overall operation of the ultrasound therapy apparatus 100. First, the process of measuring the motion range information to detect the change in the biological tissue of the object to be treated by the controller 140 will be described.
  • the controller 140 is the first of the images formed by the image processor 160.
  • the reference coordinate is set based on the formed image, and the specific region of the first formed image is selected as the treatment region.
  • the controller 140 receives the maximum displacement information on the X-axis, the Y-axis, and the Z-axis from the sensor 112 attached to the object, and generates the movement range information based on the set reference coordinate and the maximum displacement information.
  • the controller 140 converts the motion range information into 3D coordinate indexing displacement information mapped to the 3D rendering model, and stores the converted 3D coordinate indexing displacement information in the storage 130.
  • the reason for storing the converted 3D coordinate indexing displacement information in the storage unit 130 is that the control unit 140 converts the 3D coordinate indexing displacement information in which the motion range information is mapped to the 3D rendering model in advance and stores the converted information in the storage unit 130. This is to minimize the load due to the image processing that occurs during the actual treatment process. That is, since the 3D coordinate indexing displacement information stored in the storage unit 130 may be used in the treatment process, the actual memory access time is reduced.
  • the controller 140 receives current coordinate information from the sensor 112, and the current coordinate information corresponds to the motion range information. Alternatively, when included in the 3D coordinate indexing displacement information, the current 3D coordinate indexing information obtained by mapping the current coordinates to the 3D rendering model is converted. The controller 140 transmits the high intensity ultrasound to the treatment area of the object for the current 3D coordinate indexing information, and adjusts the treatment area based on the 3D coordinate indexing displacement information in the process of transmitting the high intensity ultrasound, thereby adjusting the high intensity to the adjusted treatment area. (Therapeutic) Ultrasound.
  • the controller 140 controls the ultrasonic wave generator 122 to transmit high-intensity ultrasound to the biological tissue, which is the treatment area of the target to be treated, and to process the biological tissue. Even if it is moving, the 3D coordinate indexing displacement information can accurately identify the area and perform the treatment.
  • the controller 140 transmits the high intensity ultrasound to the treatment area of the object for the current 3D coordinate indexing information, adjusts the treatment area based on the 3D coordinate indexing displacement information, and transmits the high intensity ultrasound to the adjusted treatment area. Is based on the automatic operation, but is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be performed manually by using a joystick or the like without departing from the essential characteristics of the present invention. It can be manipulated and variously modified and modified.
  • the controller 140 may control the transmission and reception of the ultrasonic wave by using the same.
  • the controller 140 may control to repeatedly transmit and receive the ultrasound for acquiring the B-mode image and to transmit and receive the ultrasound for acquiring the C-mode image.
  • the signal processor 150 sets a plurality of filters having a cutoff frequency for removing the clutter signal for each pixel in the ROI to perform clutter filtering of the received signal from the transceiver 120.
  • the signal processor 150 may perform signal processing such as gain adjustment for image optimization on the received signal from the transceiver 120. Also, the signal processor 150 performs low pass filtering on the interpolation signal and transmits the interpolated signal to the image processor 160.
  • the image processor 160 allows an image (B-mode or C-mode image) to be formed based on the interpolation signal, and outputs the image through the display unit 170 provided with the formed image (B-mode or C-mode image). To work.
  • FIG. 2 is a block diagram schematically illustrating a control unit according to an embodiment of the present invention.
  • the control unit 140 includes a movement range measuring unit 210 and a treatment control unit 220.
  • the movement range measuring unit 210 may include a reference coordinate setting unit 212, a treatment area selection unit 214, a displacement information receiving unit 216, and a 3D coordinate conversion unit 218.
  • the movement range measuring unit 210 includes only the reference coordinate setting unit 212, the treatment area selection unit 214, the displacement information receiving unit 216, and the 3D coordinate conversion unit 218.
  • this is merely illustrative of the technical idea of one embodiment of the present invention, and those skilled in the art to which an embodiment of the present invention belongs will not depart from the essential characteristics of the embodiment of the present invention. In the modification will be variously applied to the components included in the movement range measurement unit 210.
  • the reference coordinate setting unit 212 sets reference coordinates based on the first image formed from the image formed by the image processor 160. That is, since the change of the image formed after the first formed image can be sensed, the reference coordinate is set based on the first formed image among the images formed by the image processor 160.
  • this is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to set the reference coordinates within the scope without departing from the essential characteristics of the present invention first
  • the formed image may be modified and modified in various ways.
  • the treatment region selector 214 selects a specific region of the first image formed through the reference coordinate setter 212 as a treatment region. That is, the treatment region selector 214 selects a region to be treated in the image, which may select a treatment region by receiving a command by a user's manipulation or input through the user input unit 110.
  • the displacement information receiver 216 receives maximum displacement information about the X, Y, and Z axes from the sensor 112 attached to the object.
  • the 3D coordinate converter 218 generates motion range information based on the reference coordinate set by the reference coordinate setter 212 and the maximum displacement information received by the displacement information receiver 216, and 3D renders the motion range information. Convert to 3D coordinate indexing displacement information mapped to the model.
  • the treatment controller 220 may include a current coordinate receiver 222, a current coordinate checker 224, and a treatment area adjuster 226.
  • the treatment controller 220 is described as including only the current coordinate receiver 222, the current coordinate checker 224, the treatment area adjustment unit 226, which is described in the embodiment of the present invention.
  • those skilled in the art to which an embodiment of the present invention belongs will include those included in the treatment control unit 220 without departing from the essential characteristics of an embodiment of the present invention. It will be applicable to various modifications and variations with respect to.
  • the current coordinate receiver 222 receives current coordinate information from the sensor 112. If the current coordinate information received through the current coordinate receiver 222 is included in the movement range information or the 3D coordinate indexing displacement information, the current coordinate checking unit 224 maps the current 3D coordinate indexing information to the 3D rendering model. Convert The treatment area adjustment unit 226 controls the ultrasound generation unit 122 to adjust the treatment area based on the 3D coordinate indexing displacement information, and transmits the high intensity (therapeutic) ultrasound to the adjusted treatment area.
  • FIG. 3 is a flowchart illustrating a method of measuring a movement range according to an embodiment of the present invention.
  • FIG. 3 a process of measuring motion range information in order to detect a change in a biological tissue of an object to be treated by the ultrasound treatment apparatus 100 will be described.
  • the ultrasound therapy apparatus 100 operates to transmit a diagnostic ultrasound to the object and receive an ultrasound echo signal reflected from the object to form a received signal (S310).
  • the ultrasound therapy apparatus 100 allows an image to be formed based on the received signal and outputs the image through a display unit provided with the image (S320).
  • the ultrasound treatment apparatus 100 sets reference coordinates based on the first formed image among the formed images (S330), and selects a specific region of the first formed image as a treatment region (S340).
  • the ultrasound therapy apparatus 100 receives the maximum displacement information about the X-axis, the Y-axis, and the Z-axis from the sensor 112 attached to the object (S350).
  • the ultrasound therapy apparatus 100 generates motion range information based on the set reference coordinates and the maximum displacement information, and converts the motion range information into 3D coordinate indexing displacement information mapped to the 3D rendering model (S360).
  • the ultrasound therapy apparatus 100 stores the converted 3D coordinate indexing displacement information in the storage 130 (S370).
  • step S370 will be described in detail.
  • the ultrasound treatment apparatus 100 converts the 3D coordinate indexing displacement information, which is mapped to the 3D rendering model, in advance and stores the 3D coordinate indexing displacement information in the storage unit 130 to generate the actual treatment process. The load caused by the image processing can be minimized.
  • steps S310 to S370 are described as being sequentially executed. However, this is merely illustrative of the technical idea of an embodiment of the present invention, and the general knowledge in the technical field to which an embodiment of the present invention belongs. Those having a variety of modifications and variations may be applicable by changing the order described in FIG. 3 or executing one or more steps of steps S310 to S370 in parallel without departing from the essential characteristics of an embodiment of the present invention. 3 is not limited to the time series order.
  • the motion range measuring method according to the exemplary embodiment of the present invention described in FIG. 3 may be implemented in a program and recorded in a computer-readable recording medium.
  • a computer-readable recording medium having recorded thereon a program for implementing a method of measuring a motion range according to an embodiment of the present invention includes all kinds of recording devices storing data that can be read by a computer system. Examples of such computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and are implemented in the form of a carrier wave (for example, transmission over the Internet). It includes being.
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
  • functional programs, codes, and code segments for implementing an embodiment of the present invention may be easily deduced by programmers in the art to which an embodiment of the present invention belongs.
  • FIG. 4 is a flowchart illustrating a method of ultrasound treatment using motion tracking according to an embodiment of the present invention.
  • FIG. 4 a process of performing an ultrasound treatment based on the motion range information generated by the ultrasound treatment apparatus 100 will be described.
  • the ultrasound therapy apparatus 100 receives current coordinate information from the sensor 112 (S410).
  • the ultrasound therapy apparatus 100 checks whether the current coordinate information is included in the movement range information or the 3D coordinate indexing displacement information (S420). As a result of checking in step S420, when the current coordinate information is included in the movement range information or the 3D coordinate indexing displacement information, the ultrasound therapy apparatus 100 converts the current 3D coordinate indexing information that maps the current coordinate to the 3D rendering model (S430). ).
  • the ultrasound therapy apparatus 100 transmits high intensity ultrasound to the treatment area of the object corresponding to the current 3D coordinate indexing information (S440).
  • the ultrasound treatment apparatus 100 adjusts the treatment area based on the 3D coordinate indexing displacement information in the process of transmitting the high intensity ultrasound, and transmits the high intensity (therapeutic) ultrasound to the adjusted treatment area (S450).
  • the ultrasound treatment apparatus 100 controls the ultrasound generating unit 122 to transmit high-intensity ultrasound to a living tissue, which is a treatment area of a target to be treated, and to process the living tissue. In this case, even when the biological tissue is moved, the treatment can be performed by accurately identifying the corresponding region through the 3D coordinate indexing displacement information.
  • steps S410 to S450 are described as being sequentially executed.
  • this is merely illustrative of the technical idea of an embodiment of the present invention, and the general knowledge in the technical field to which an embodiment of the present invention belongs.
  • Those having a variety of modifications and variations may be applicable by changing the order described in FIG. 4 or executing one or more steps of steps S410 to S450 in parallel without departing from the essential characteristics of an embodiment of the present invention. 4 is not limited to the time series order.
  • a computer readable recording medium having recorded thereon a program for implementing an ultrasound therapy method using motion tracking according to an embodiment of the present invention includes all kinds of recording devices storing data that can be read by a computer system.
  • Examples of such computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and are implemented in the form of a carrier wave (for example, transmission over the Internet). It includes being.
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
  • functional programs, codes, and code segments for implementing an embodiment of the present invention may be easily deduced by programmers in the art to which an embodiment of the present invention belongs.
  • FIG. 5 is an exemplary view showing the maximum displacement with respect to the X-axis, Y-axis, Z-axis according to an embodiment of the present invention.
  • the ultrasound treatment apparatus 100 receives maximum displacement information about the X-axis, the Y-axis, and the Z-axis from a sensor attached to the biological tissue of the object to be treated in order to detect a change in the biological tissue of the object to be treated.
  • the maximum displacement information for the X-axis, Y-axis, Z-axis is as shown in FIG.
  • FIG. 6 is an exemplary diagram illustrating 3D coordinate indexing according to an embodiment of the present invention.
  • the ultrasound treatment apparatus 100 is the first of the image formed by the image processor 160 Set reference coordinates based on the first formed image, select a specific region of the first formed image as a treatment region, and maximum displacement information on the X, Y, and Z axes from the sensor 112 attached to the object. Receive the information, and generates the movement range information based on the set reference coordinates and the maximum displacement information. After generating the motion range information, the ultrasound treatment apparatus 100 converts the motion range information into 3D coordinate indexing displacement information mapped to the 3D rendering model, and stores the converted 3D coordinate indexing displacement information in the storage 130.
  • the 3D rendering model may be a hexahedron as shown in FIG. 6A, and the 3D coordinate indexing displacement information that maps the motion range information to the 3D rendering model is as shown in FIG. 6B.
  • the 3D rendering model illustrated in FIG. 6A is not necessarily limited to a hexahedron, and a person having ordinary knowledge in the technical field to which the present invention belongs does not depart from the essential characteristics of the present invention. It can be applied by modifying and modifying variously.
  • FIG. 7 is an exemplary view showing a real-time treatment according to an embodiment of the present invention.
  • the ultrasound therapy apparatus 100 receives current coordinate information from the sensor 112, and the current coordinate information is moved.
  • the range information or 3D coordinate indexing displacement information converts the current 3D coordinate indexing information that maps the current coordinates to the 3D rendering model, and sends high intensity ultrasound to the treatment area of the subject for the current 3D coordinate indexing information.
  • the treatment area is adjusted based on the 3D coordinate indexing displacement information, and high intensity (therapeutic) ultrasound is transmitted to the adjusted treatment area.
  • the ultrasound therapy apparatus 100 converts and stores the movement range information into 3D coordinate indexing displacement information, and thus, to treat it using the same.
  • the treatment area may be adjusted according to the movement of the living tissue of the subject, and high intensity (therapeutic) ultrasound may be transmitted to the adjusted treatment area.

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Abstract

Selon un mode de réalisation, la présente invention porte sur un appareil de thérapie par ultrasons qui utilise la détection de mouvement, et sur un procédé associé. Dans la préparation pour un changement dans une région d'un sujet pour une thérapie par ultrasons, par l'intermédiaire du mouvement d'un tissu humain correspondant à la région destinée à une thérapie, le degré de mouvement du tissu humain correspondant est mesuré, permettant ainsi d'ajuster la région destinée à une thérapie. Selon un mode de réalisation de la présente invention, il est prévu que les effets puissent répondre à un changement dans une région destinée à une thérapie par l'intermédiaire d'un mouvement en temps réel d'un tissu humain pendant une thérapie par ultrasons, et améliorer la vitesse de thérapie par calcul et indexation du déplacement maximal de la région correspondante qui a besoin d'un traitement. En outre, selon un mode de réalisation de la présente invention, il est prévu que les effets améliorent la précision d'une thérapie par ultrasons en mesurant la plage de mouvement et, par conséquent, ajustent la région destinée à une thérapie de façon à répondre à un changement dans la région destinée à une thérapie par l'intermédiaire du mouvement du tissu humain pendant une thérapie par ultrasons.
PCT/KR2012/002798 2011-04-15 2012-04-13 Appareil de thérapie par ultrasons utilisant la détection de mouvement et procédé associé Ceased WO2012141517A2 (fr)

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US8562531B2 (en) 2003-12-16 2013-10-22 Hitachi Medical Corporation Ultrasonic motion detecting device, and image producing device and ultrasonic therapeutic using the detecting device
KR101051555B1 (ko) * 2007-11-20 2011-07-22 삼성메디슨 주식회사 개선된 3차원 초음파 영상을 형성하는 초음파 영상 장치 및방법
JP5156421B2 (ja) 2008-02-07 2013-03-06 株式会社日立メディコ 超音波診断装置

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