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WO2003001240A1 - Systeme de diagnostic ultrasonique permettant de developper de maniere selective des donnees de diagnostic a ultrasons - Google Patents

Systeme de diagnostic ultrasonique permettant de developper de maniere selective des donnees de diagnostic a ultrasons Download PDF

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Publication number
WO2003001240A1
WO2003001240A1 PCT/IB2002/002413 IB0202413W WO03001240A1 WO 2003001240 A1 WO2003001240 A1 WO 2003001240A1 IB 0202413 W IB0202413 W IB 0202413W WO 03001240 A1 WO03001240 A1 WO 03001240A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasound
image
scan
slices
slice
Prior art date
Application number
PCT/IB2002/002413
Other languages
English (en)
Inventor
Janice L. Frista
Mckee J. Poland
Bernard J. Savord
Ivan S. Salgo
Original Assignee
Koninklijke Philips Electronics N.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Priority to JP2003507582A priority Critical patent/JP2004530502A/ja
Priority to EP02738499A priority patent/EP1402284A1/fr
Publication of WO2003001240A1 publication Critical patent/WO2003001240A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8993—Three dimensional imaging systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/52073—Production of cursor lines, markers or indicia by electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/52074—Composite displays, e.g. split-screen displays; Combination of multiple images or of images and alphanumeric tabular information
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems

Definitions

  • Ultrasonic diagnostic system for selectively developing ultrasound diagnostic data
  • the present invention relates generally to ultrasonic diagnostic systems, and, more particularly, to an ultrasonic diagnostic system that is capable of receiving user input with respect to a particular image desired, and automatically developing ultrasonic data pertaining only to the desired image.
  • Ultrasonic transducers and imaging systems have been available for quite some time and are particularly useful for non-invasive medical diagnostic imaging.
  • Ultrasomc transducers are typically formed of either piezoelectric elements or of micro-machined ultrasonic transducer (MUT) elements.
  • MUT micro-machined ultrasonic transducer
  • When used in transmit mode the transducer elements are excited by an electrical pulse and in response, emit ultrasomc energy.
  • receive mode acoustic energy impinging on the transducer elements is converted to a receive signal and delivered to processing circuitry associated with the transducer.
  • the transducer is typically connected to an ultrasound imaging system that includes processing electronics, one or more input devices and a suitable display on which the ultrasound image is viewed.
  • the processing electronics typically include a transmit bea former that is responsible for developing an appropriate transmit pulse for each transducer element, and a receive beamformer that is responsible for processing the receive signal received from each transducer element.
  • An ultrasonic transducer is typically combined with associated electronics in a housing.
  • the assembly is typically referred to as an ultrasonic probe.
  • ultrasonic probes are classified as either one dimensional (ID) probes having a single element wide array of elements, or two dimensional (2D) probes having a multiple element wide array.
  • a probe referred to as a "bi-plane" probe includes two orthogonally positioned ID arrays that may or may not intersect.
  • a relatively new 2D probe, referred to as a "matrix probe” includes transducer elements arranged in two dimensions where each element is individually controllable, resulting in an ultrasound probe the scan lines of which can be electronically steered in two dimensions.
  • Each dimension of a matrix probe can be thought of as a continuous stack of linear arrays.
  • Ultrasound data is typically acquired in frames, where each frame represents a sweep of an ultrasound beam emanating from the face of the transducer. Such a sweep is typically developed by generating a large number of individual scan lines along one scan plane. When displayed together, the set of scan lines form what is typically referred to as a "slice.”
  • a slice typically corresponds to one frame. For example, in bi-plane imaging, two slices comprise a frame, while in volume scanning, many slices comprise a frame.
  • ID probes produce a two dimensional rectangular, pie-shaped, trapezoidal, or other shaped slice
  • 2D matrix probes develop sets of slices (frames) forming three dimensional shapes.
  • Such three dimensional frames are sometimes referred to as a "volume scan.”
  • conventional ultrasound imaging systems develop this volume scan, they typically generate multiple slices in at least two dimensions. These multiple slices generate ultrasound data for the volume occupied by the slices.
  • this volume of data is then processed by the ultrasound imaging system to create an image for display on a two dimensional surface (such as the surface of the CRT type display) that has the appearance of being three dimensional.
  • Such processing is typically referred to as a rendering.
  • volume data is both taxing to the ultrasound electronics that control the transmit beamformer and requires computationally intensive processing of the receive signals.
  • One of the drawbacks of such a three dimensional rendering system is that in order to display the volume data wit meaningful resolution, the frame rate of the collected data must be reduced because of the time delay for collecting the data and the processing delay encountered when rendering the collected data on the display.
  • an ultrasound imaging system capable of displaying three dimensional data without the need for processing all of the data collected for a given volume.
  • the invention includes a system for presenting a desired ultrasound image on a display, comprising a two dimensional matrix probe, circuitry for determining at least two ultrasound scan slices corresponding to the desired ultrasound image, circuitry for developing the desired ultrasound image from data obtained from the ultrasound scan slices, and a display for displaying the desired ultrasound image.
  • Figure 1 is a block diagram illustrating an ultrasound imaging system in accordance with an embodiment of the invention.
  • Figure 2 is a graphical illustration showing a series of scan slices obtained using the matrix probe of Figure 1.
  • Figures 3 A through 3C are schematic diagrams collectively illustrating an embodiment of the invention.
  • Figure 4 is a chart of a scan of a single frame of data obtained in accordance with another embodiment of the invention.
  • Figure 5 is a graphical illustration showing the image available using the scan geometry shown in Figure 4.
  • Figure 6 is a graphical representation illustrating another embodiment of the invention.
  • Figure 7 is a graphical illustration showing another implementation made possible by the graphics generator of Figure 1.
  • Figure 8 is a flow diagram illustrating the operation of certain embodiments of the invention.
  • routines are here, and generally, intended to be a self-consistent sequence of steps or actions leading to a desired result.
  • routine is generally used to refer to a series of operations stored in a memory and executed by a processor.
  • the processor can be a central processor of an ultrasound imaging system or can be a secondary processor of the ultrasound imaging system.
  • routine also encompasses such terms as "program,” “objects,” “functions,” “subroutines,” and “procedures.”
  • sequence of steps in the routines requires physical manipulation of physical quantities.
  • these quantities take the form of electrical or magnetic signals capable of being stored, transferred, combined, compared or otherwise manipulated.
  • bits bits
  • values values
  • characters characters
  • images images
  • terms terms
  • number of bits or the like. It should be understood that these and similar terms are to be associated with the appropriate physical quantities and are merely convenient labels applied to these quantities.
  • routines and operations are machine operations performed in conjunction with human operators.
  • the invention relates to method steps, software and associated hardware including a computer readable medium configured to store and execute electrical or other physical signals to generate other desired physical signals.
  • the apparatus of the invention is preferably constructed for the purpose of ultrasonic imaging.
  • the methods of the invention can be performed by a general purpose computer or other networked device selectively activated or reconfigured by a routine stored in the computer and coupled to ultrasound imaging equipment.
  • the procedures presented herein are not inherently related to any particular ultrasonic imaging system, computer or apparatus.
  • various machines may be used with routines in accordance with the teachings of the invention, or it may prove more convenient to construct more specialized apparatus to perform the method steps. In certain circumstances, when it is desirable that a piece of hardware possess certain characteristics, these characteristics are described more fully below.
  • routines described below those having ordinary skill in the art will recognize that there exist a variety of platforms and languages for creating instruction sets for performing the routines described below. Those having ordinary skill in the art will also recognize that the choice of the exact platform and language is often dictated by the specifics of the actual system constructed, such that what may work for one type of system may not be efficient on another system.
  • FIG. 1 is a block diagram illustrating an ultrasound imaging system 100 in accordance with an embodiment of the invention. It will be understood by those having ordinary skill in the art that the ultrasound imaging system 100, as illustrated in Figure 1, and the operation thereof as described below, is intended to be generally representative of such systems and that any particular system may differ significantly from that shown in Figure 1.
  • the ultrasound imaging system 100 includes a transmit beamformer 110 coupled through a transmit receive (T/R) switch 112 to a matrix probe 200.
  • the matrix probe 200 includes a matrix transducer array having a plurality of transducer elements arranged across two dimensions.
  • the matrix probe 200 can be used to randomly select any point on the array as the point from which the ultrasonic energy is projected and is referred to as a fully sampled array.
  • a fully sampled array is one in which each element is individually addressable.
  • the T/R switch 112 typically includes one switch element for each transducer element or the matrix probe 200 may have multiplexing circuitry, or the like, to reduce the number of leads between the T/R switch 112 and the matrix probe 200, thereby reducing the number of required switches.
  • the transmit beamformer 110 receives pulsed sequences from a pulse generator 116.
  • the matrix probe 200 energized by the transmit beamformer 110, transmits ultrasound energy into a region of interest in a patient's body and receives reflected ultrasound energy, commonly referred to as echoes, from various structures and organs within the body.
  • echoes reflected ultrasound energy
  • the matrix probe 200 is also coupled, through the T/R switch 112, to a receive beamformer 118.
  • Ultrasound energy from a given point within the patient' s body is received by the transducer elements at different times.
  • the transducer elements convert the received ultrasound energy to transducer signals which may be amplified, individually delayed and then summed by the receive beamformer 118 to provide a beamformed signal that represents the received ultrasound levels along a desired receive line ("beam").
  • the receive beamformer 118 may be a digital beamformer including an analog-to-digital converter for converting the transducer signals to digital values, or may be an analog beamformer.
  • the delays applied to the transducer signals may be varied during reception of ultrasound energy to effect dynamic focusing.
  • the process is repeated for multiple scan lines to create a frame of data for generating an image of the region of interest in the patient's body.
  • the matrix probe 200 is capable of providing a variety of scan patterns such as a sector scan, where scan lines typically originate at the center of the matrix probe 200 and are directed at different angles, a linear scan, a curvilinear scan and other scan patterns.
  • the receive beamformed signals are then applied to a signal processor 124, which processes the beamformed signal for improved image quality.
  • the receive beamformer 118 and the signal processor 124 constitute an ultrasound receiver 126.
  • the output of the signal processor 124 is supplied to a scan converter 128, which converts sector scan and other scan pattern signals to conventional raster scan display signals.
  • the output of the scan converter 128 is supplied to a display unit 130, which displays an image of the region of interest in the patient's body.
  • the system controller 132 provides overall control of the system.
  • the system controller 132 performs timing and control functions and typically includes a microprocessor operating under the control of graphics generator 136 and control routines 142, both contained within memory 140.
  • the control routines 142 and the graphics generator 136 in cooperation with the system controller 132 and input supplied from a user via input element 138, enable the ultrasound imaging system 100 to project only those scan lines required to display a desired image. In such fashion, it is possible for the ultrasound imaging system 100 to generate an approximation of a three dimensional image by scanning only those slices corresponding to the image that is sought to be displayed without the necessity of scanning an entire three dimensional volume.
  • the system controller 132 also uses the memory 140 to store intermediate values, including system variables describing the operation of the ultrasound imaging system 100.
  • an external storage device may be used for permanent and/or transportable storage of data. Examples and devices suitable for use as an external storage element include a floppy disk drive, a CD ROM drive, a video tape unit, etc.
  • a scan pattern corresponding to and designed to provide a desired ultrasound image can be generated by the matrix probe 200.
  • Such a desired ultrasound image can be communicated by a user of the ultrasound imaging system 100 via the input element 138.
  • the scan pattern may include a pair of intersecting scan slices that allow an approximation of a three dimensional image to be rendered by the system without the need of interrogating a three dimensional volume.
  • the input element 138 may include a mouse, keyboard, stylus, or may include a combination of input devices, such as keys, sliders, switches, touch screens, a track ball, or other input devices that enable the user of the ultrasound imaging system 100 to communicate to the system controller 132 the desired ultrasound image.
  • the system controller 132 determines the appropriate scan lines that should be projected by the matrix probe 200 to achieve the desired ultrasound image communicated to the system controller 132 via input element 138.
  • the system controller 132 then communicates with the pulse generator 116 and the transmit beamformer 110 in order to generate such appropriate scan lines.
  • different transducer elements are used for transmitting and receiving.
  • the T/R switch 112 may not be required, and the transmit beamformer 110 and the receive beamformer 118 may be connected directly to the respective transmit and receive transducer elements.
  • FIG. 2 is a graphical illustration showing a series of scan slices obtained using the matrix probe 200 of Figure 1.
  • Figure 2 shows a matrix probe 200 acquiring three slices 202, 204 and 206.
  • each slice 202, 204 and 206 includes a series of individual scan lines 208-1 through 208-n, 210-1 through 210-n, and 212-1 through 212-n, respectively.
  • each slice is in the shape of a sector, and the apexes of the sectors are at the middle of the matrix probe 200.
  • each slice 202, 204 and 206 represents a traditional two dimensional sweep, with each sweep being displaced in elevation from the neighboring sweep.
  • the ultrasound imaging system 100 enables user input to determine a desired image, and then instructs the matrix probe 200 to project only the individual scan slices necessary to display the desired image.
  • each of the scan lines 208-n, 210-n and 212-n in each of the slices 202, 204 and 206, respectively, has a matching (or "indexed") scan line in the other slices.
  • scan line 210-1 in slice 204 is matched with scan line 212-1 and slice 206.
  • each matched scan line is at the same lateral position.
  • the system controller determines the appropriate set of matched scan lines and causes only the scan lines necessary to display the desired image to be projected.
  • the system controller 132 along with the graphics generator 136 and the control routines 142 instruct the matrix probe 200 to project only the scan lines required to display the desired image.
  • Figures 3 A through 3C are schematic diagrams collectively illustrating an embodiment of the invention.
  • Figure 3A includes two sector scan slices 302 and 304.
  • the sector scan slices 302 and 304 are illustrated as being orthogonal to each other, but this need not be the case as the sector scan slices 302 and 304 may be separated by any angle, referred to herein as ⁇ .
  • the angle ⁇ represents the angle of tilt between sector scan slice 304 and sector scan slice 302.
  • the sector scan slice 302 includes a centerline 305 and the sector scan slice 304 includes a centerline 307.
  • the image 306 is a roughly pear-shaped hollow signature meant to represent a simplified cardiac left ventricle.
  • the system controller 132 instead of interrogating an entire volume, only the two sector scan slices 302 and 304 are generated by the system controller 132.
  • the two sector slices 302 and 304 are generated in response to user input communicated to the ultrasound imaging system 100.
  • the user input determines a desired ultrasound image and the system controller determines the sector scan slices (in this example, sector scan slices 302 and 304) that correspond to the desired image.
  • One of the sector scan slices is a fixed reference slice (or a fixed reference plane) while the position of the sector scan slice 304 can be varied in elevation and rotational position with respect to the sector scan slice 302.
  • the position of the sector scan slice 304 with respect to the sector scan slice 302 can be adjusted in elevation and rotational position so that the desired pair of images (shown in Figures 3B and 3C) is produced by the sector scan slices 302 and 304.
  • the user of the ultrasound imaging system 100 could, for example, but not limited to, rotate the sector slice 304 with respect to sector slice 302 using a control knob located on the input element 138.
  • the control knob may be labeled, for example, "2 n slice rotation angle.”
  • the desired image is the image that the user sets by adjusting the control knob while scanning.
  • the image slices (sector slices 302 and 304 in this example) may be displayed side-by-side as shown in FIGS. 3B and 3C, or overlaid as shown in Figure 5.
  • Figures 3B and 3C collectively illustrate the images captured using the sector scan slices 302 and 304 of Figure 3A.
  • an ultrasound image 306 is shown as related to each of the scan slices 302 and 304.
  • the image 306 associated with scan slice 302 looks different than the image 306 associated with scan slice 304.
  • the images 306 in Figures 3B and 3C are two orthogonal sections of the roughly pear-shaped hollow signature meant to represent a simplified cardiac left ventricle, and correspond to the image 306 in Figure 3 A.
  • the two images 306 in Figures 3B and 3C appear different because the scan slices 302 and 304 are orthogonally related to each other and are interrogating a different section of the element 306.
  • the display shown in Figure 3B is oriented to the acoustic acquisition of sector scan slice 302 and the display shown in Figure 3C is oriented to the acoustic acquisition of sector scan slice 304.
  • the resolution of the images in Figures 3B and 3C represents an improvement over that available from systems that need to scan a three dimensional volume in order to render a three dimensional image.
  • the images in Figure 3B and Figure 3C can be a wide 90 degree view, having % degree resolution with a 50Hz frame rate. The wider field of view combined with the high frame rate is available because scanning of the entire volume is not necessary.
  • a graphical reference that correlates the two images can be provided.
  • the line labeled 312 in Figure 3B refers to the location of the sector scan slice 304 and corresponds to the centerline 307 of sector scan slice 304.
  • the line labeled 314 in Figure 3C correlates to the sector scan slice 302 of Figure 3B and corresponds to the center line 305 of sector scan slice 302.
  • a different plane can be created in the image of Figure 3C.
  • Such a graphical representation can be provided by the graphics generator 136 of Figure 1 and can allow control of the orientation of sector scan slice 304.
  • the efficient acquisition of the two images is useful when performing a cardiac stress echo test on a patient.
  • the patient is exerted and the quick collection and rendering of the heart is required to provide an adequate diagnosis.
  • the system of the invention allows such imaging due to the increased frame rate obtainable by only needing to project two sector scan slices.
  • the images depicted in Figures 3 A and 3B can provide automatic boundary detection and can show color flow velocity information and ultrasound ANGIO information.
  • Automatic boundary detection refers to the ability of the system to automatically detect and display a boundary between tissue and blood.
  • ANGIO refers to a form of color flow imaging that trades flow direction information for flow sensitivity information. This mode of operation may also be referred to as "Power Color Doppler" imaging.
  • Figure 4 is a chart of a scan of a single frame of data obtained in accordance with another embodiment of the invention.
  • Figure 4 includes a matrix probe 400 that is used to obtain a slice 402 containing two sub-slices 404 and 406.
  • a first sub-slice 404 is taken in plane, while a second sub-slice 406 is orthogonal to the first sub-slice 404.
  • the two sub-slices 404 and 406 join at a centerline 408.
  • Such a scan sequence renders what is referred to as a "corner view.” Since only the single, folded slice is scanned, and no other slices or planes are scanned, the frame rate can be as high as with a standard two dimensional scanning in the range of 50Hz.
  • the scan shown in Figure 4 can be displayed as two connected half-sections of the target, revealing orthogonal tissue structures moving relative to each other in real time.
  • Figure 5 is a graphical illustration showing the image available using the scan geometry shown in Figure 4.
  • An example of how such geometry may be indicated is shown by display 500 in which two scan halves 502 and 504 are displayed as two side-by-side, foreshortened sectors, sometimes referred to as "half-plane" images.
  • Construction line frames 506 and 508 surround the scan planes of the half slices.
  • the display 500 is similar to the view into a corner of a box in which the half-sector images are painted on the sidewalls.
  • Figure 6 is a graphical representation illustrating another embodiment of the invention.
  • a display image 600 can be generated on a display 602.
  • the display 602 includes the ultrasound image 606 being displayed and also illustrates that the shape of the probe 604 can be applied on the display 602.
  • a user of the ultrasound imaging system 100 can view the position of the probe 604 directly on the display 602, thereby enabling more precise alignment and positioning of the probe 604 on the body of the patient being imaged.
  • Figure 7 is a graphical illustration showing another implementation made possible by the graphics generator 136 of Figure 1.
  • the image 700 of Figure 7 includes a first scan slice 702 and a second scan slice 704 depicted in a dotted line.
  • the second scan slice 704 is shown as rotated with respect to the scan slice 702.
  • the scan slice 704 is rotated about cursor line 706 with respect to the scan slice 702.
  • the dotted line 704 is a depiction of a rotated sector that rotates about the cursor line 706.
  • the slice 704 would disappear when the angle is 90 degrees.
  • the image 700 can show tilt of the scan slice 704 with respect to scan slice 702.
  • Figure 8 is a flow diagram 800 illustrating the operation of certain embodiments of the invention.
  • an operator of the ultrasound imaging system 100 selects a desired ultrasound image to be displayed.
  • the system controller 132 executes the appropriate control routine 142 in order to select a new rotation vector or elevation angle relative to the fixed reference plane (302 of Figure 3 A) that will render the desired ultrasound image.
  • the fixed reference plane 302 provides one of the ultrasound images and, in response to the operator mputting commands via the input element 138 that communicate to the system the certain desired ultrasound images, the system controller 132 in cooperation with the control routines 142 and the graphics generator 136 ( Figure 1) will determine the appropriate location and position of the sector scan slice 304 relative to the fixed sector scan slice 302 (i.e., the fixed reference plane).
  • the system controller 132 will change the scan line sequence to generate the half plane images using the matrix probe 200 in accordance with the procedure described with respect to FIGS. 4 and 5.
  • the scan converter 128 and the system controller 132 will update the graphics, using the graphics generator 136, to show the orientation of the second (i.e., sector scan slice 304) sector scan slice relative to the fixed reference plane of sector scan slice 302. If the corner view option is off, then a third, fourth, fifth, etc. sector scan slice orientation could be shown on the display 130.
  • the ultrasound imaging system 100 scans and displays the requested image.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

La présente invention concerne un système d'imagerie par ultrasons (100) dans lequel un utilisateur détermine une image ultrasonique (306) qu'il souhaite visualiser et communique (138) ladite vue souhaitée au système d'imagerie par ultrasons (100). Ledit système d'imagerie par ultrasons (100) analyse la demande et détermine les tranches de balayage appropriées (302, 304) à projeter pour obtenir l'image (306) souhaitée. L'image (306) souhaitée se rapproche d'une vue tridimensionnelle, mais est développée sans qu'il soit nécessaire d'obtenir un ensemble tridimensionnel de volume de données.
PCT/IB2002/002413 2001-06-21 2002-06-20 Systeme de diagnostic ultrasonique permettant de developper de maniere selective des donnees de diagnostic a ultrasons WO2003001240A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003507582A JP2004530502A (ja) 2001-06-21 2002-06-20 超音波診断データを選択的に発展させるための超音波診断システム
EP02738499A EP1402284A1 (fr) 2001-06-21 2002-06-20 Systeme de diagnostic ultrasonique permettant de developper de maniere selective des donnees de diagnostic a ultrasons

Applications Claiming Priority (2)

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US88629101A 2001-06-21 2001-06-21
US09/886,291 2001-06-21

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JP (1) JP2004530502A (fr)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009010901A1 (fr) * 2007-07-13 2009-01-22 Koninklijke Philips Electronics N.V. Sonde ultrasonore avec degrés de liberté couplés et dispositif comprenant une telle sonde ultrasonore
US8834373B2 (en) 2006-12-01 2014-09-16 Konica Minolta, Inc. Ultrasonographic device with weighted addition of data
CN110392552A (zh) * 2017-02-22 2019-10-29 皇家飞利浦有限公司 远程控制的超声成像系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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US20150011886A1 (en) * 2011-12-12 2015-01-08 Koninklijke Philips N.V. Automatic imaging plane selection for echocardiography
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