WO2010017445A2 - Imaging with multiple aperture medical ultrasound and synchronization of add-on systems - Google Patents
Imaging with multiple aperture medical ultrasound and synchronization of add-on systems Download PDFInfo
- Publication number
- WO2010017445A2 WO2010017445A2 PCT/US2009/053096 US2009053096W WO2010017445A2 WO 2010017445 A2 WO2010017445 A2 WO 2010017445A2 US 2009053096 W US2009053096 W US 2009053096W WO 2010017445 A2 WO2010017445 A2 WO 2010017445A2
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- WO
- WIPO (PCT)
- Prior art keywords
- ultrasound
- add
- host
- probe
- algorithm
- Prior art date
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Classifications
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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
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
- A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4477—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device using several separate ultrasound transducers or probes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5207—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of raw data to produce diagnostic data, e.g. for generating an image
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
-
- 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
- G01S15/8913—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using separate transducers for transmission and reception
-
- 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
- G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
-
- 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
- G01S15/8929—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a three-dimensional transducer configuration
-
- 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
- G01S15/8997—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using synthetic aperture techniques
-
- 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
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
-
- 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
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
- G01S7/52087—Details related to the ultrasound signal acquisition, e.g. scan sequences using synchronization techniques
Definitions
- the present invention relates generally to imaging techniques used in medicine, and more particularly to medical ultrasound, and still more particularly to synchronizing an add-on apparatus to a host ultrasound machine for producing ultrasonic images using multiple apertures.
- the depth of an impedance discontinuity generating an echo can be estimated as the round-trip time for the echo multiplied by v/2, and the amplitude is plotted at that depth along a line representing the path of the beam. After this has been done for all echoes along all beam paths, an image is formed. The gaps between the scan lines are typically filled in by interpolation. [0008] hi order to insonify the body tissues, a beam formed either by a phased array or a shaped transducer is scanned over the tissues to be examined. Traditionally, the same transducer or array is used to detect the returning echoes. This design configuration lies at the heart of one of the most significant limitations in the use of ultrasonic imaging for medical purposes; namely, poor lateral resolution.
- the lateral resolution could be improved by increasing the aperture of the ultrasonic probe, but the practical problems involved with aperture size increase have kept apertures small and lateral resolution poor.
- ultrasonic imaging has been very useful even with this limitation, but it could be more effective with better resolution.
- the limitation on single aperture size is dictated by the space between the ribs (the intercostal spaces).
- the limitation on aperture size is not so obvious, but it is a serious limitation nevertheless.
- the problem is that it is difficult to keep the elements of a large aperture array in phase because the speed of ultrasound transmission varies with the type of tissue between the probe and the area of interest.
- the speed varies up to plus or minus 10% within the soft tissues.
- the intervening tissue is, to a first order of approximation, all the same and any variation is ignored.
- the size of the aperture is increased to improve the lateral resolution, the additional elements of a phased array may be out of phase and may actually degrade the image rather than improving it.
- the present invention relates generally to imaging techniques used in medicine, and more particularly to medical ultrasound, and still more particularly to synchronizing an add-on apparatus to a host ultrasound machine for producing ultrasonic images using multiple apertures.
- One aspect of the invention provides an add-on ultrasound system, comprising an ultrasound receiver configured to receive ultrasound pulses transmitted from a host probe, a processor coupled to the ultrasound receiver, the processor comprising an algorithm configured to synchronize the add-on system to the host probe.
- the add-on ultrasound system can further include a display adapted to display ultrasound images from the processor.
- the display can be a GUI, for example.
- the add-on ultrasound system can include multiple ultrasound receivers, such as two, three, or even more ultrasound receiver.
- One aspect of the invention provides an algorithm configured to process the received ultrasound pulses to synchronize the add-on system to the host ultrasound probe.
- the algorithm can be adapted to calculate a start of frame of the transmitted ultrasound pulses.
- the start of frame can be calculated in a variety of ways. Li some embodiments, the algorithm can calculate the start of frame by identifying an interval between amplitude peaks that is substantially larger than a pulse repetition interval, hi other embodiments, the algorithm can calculate the start of frame by identifying a large change in peak amplitudes during successive scan lines. The large change in peak amplitudes can be from a low to a high or vice versa, for example.
- the receiving step further comprises receiving the ultrasound pulses with a receiving probe of the add-on ultrasound system. In other embodiments, the receiving step further comprises receiving the ultrasound pulses with a plurality of receiving probes of the add-on ultrasound system.
- the PRI is estimated.
- the PRI is the elapsed time from the beginning of one pulse to the start of the next pulse.
- the PRI can be calculated by the add-on processor of the add-on system to be the median of the set of intervals collected during step 204.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Gynecology & Obstetrics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physiology (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011522263A JP5666446B2 (en) | 2008-08-08 | 2009-08-07 | Image forming method using multi-aperture medical ultrasonic technology and synchronization method of add-on system |
KR1020117005482A KR101659910B1 (en) | 2008-08-08 | 2009-08-07 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
US13/002,778 US8602993B2 (en) | 2008-08-08 | 2009-08-07 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
EP09805593.2A EP2320802B1 (en) | 2008-08-08 | 2009-08-07 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
US14/078,311 US20140073921A1 (en) | 2008-08-08 | 2013-11-12 | Imaging with Multiple Aperture Medical Ultrasound and Synchronization of Add-On Systems |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8757108P | 2008-08-08 | 2008-08-08 | |
US61/087,571 | 2008-08-08 | ||
US16926409P | 2009-04-14 | 2009-04-14 | |
US61/169,264 | 2009-04-14 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/002,778 A-371-Of-International US8602993B2 (en) | 2008-08-08 | 2009-08-07 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
US14/078,311 Continuation US20140073921A1 (en) | 2008-08-08 | 2013-11-12 | Imaging with Multiple Aperture Medical Ultrasound and Synchronization of Add-On Systems |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010017445A2 true WO2010017445A2 (en) | 2010-02-11 |
WO2010017445A3 WO2010017445A3 (en) | 2010-04-22 |
Family
ID=41664212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/053096 WO2010017445A2 (en) | 2008-08-08 | 2009-08-07 | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
Country Status (5)
Country | Link |
---|---|
US (2) | US8602993B2 (en) |
EP (1) | EP2320802B1 (en) |
JP (2) | JP5666446B2 (en) |
KR (1) | KR101659910B1 (en) |
WO (1) | WO2010017445A2 (en) |
Cited By (15)
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EP2536339A2 (en) * | 2010-02-18 | 2012-12-26 | Maui Imaging, Inc. | Point source transmission and speed-of-sound correction using multi-aperture ultrasound imaging |
US8473239B2 (en) | 2009-04-14 | 2013-06-25 | Maui Imaging, Inc. | Multiple aperture ultrasound array alignment fixture |
US8602993B2 (en) | 2008-08-08 | 2013-12-10 | Maui Imaging, Inc. | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
US9247926B2 (en) | 2010-04-14 | 2016-02-02 | Maui Imaging, Inc. | Concave ultrasound transducers and 3D arrays |
US9265484B2 (en) | 2011-12-29 | 2016-02-23 | Maui Imaging, Inc. | M-mode ultrasound imaging of arbitrary paths |
US9282945B2 (en) | 2009-04-14 | 2016-03-15 | Maui Imaging, Inc. | Calibration of ultrasound probes |
US9339256B2 (en) | 2007-10-01 | 2016-05-17 | Maui Imaging, Inc. | Determining material stiffness using multiple aperture ultrasound |
US9510806B2 (en) | 2013-03-13 | 2016-12-06 | Maui Imaging, Inc. | Alignment of ultrasound transducer arrays and multiple aperture probe assembly |
US9572549B2 (en) | 2012-08-10 | 2017-02-21 | Maui Imaging, Inc. | Calibration of multiple aperture ultrasound probes |
US9668714B2 (en) | 2010-04-14 | 2017-06-06 | Maui Imaging, Inc. | Systems and methods for improving ultrasound image quality by applying weighting factors |
US9683973B2 (en) | 2014-07-25 | 2017-06-20 | Olympus Scientific Solutions Americas Inc. | Method and system of consolidating multiple phased array instruments |
US9788813B2 (en) | 2010-10-13 | 2017-10-17 | Maui Imaging, Inc. | Multiple aperture probe internal apparatus and cable assemblies |
US9883848B2 (en) | 2013-09-13 | 2018-02-06 | Maui Imaging, Inc. | Ultrasound imaging using apparent point-source transmit transducer |
US9986969B2 (en) | 2012-09-06 | 2018-06-05 | Maui Imaging, Inc. | Ultrasound imaging system memory architecture |
US10226234B2 (en) | 2011-12-01 | 2019-03-12 | Maui Imaging, Inc. | Motion detection using ping-based and multiple aperture doppler ultrasound |
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KR20110137829A (en) * | 2009-04-14 | 2011-12-23 | 마우이 이미징, 인코포레이티드 | Universal multiple aperture medical ultrasound probe |
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Also Published As
Publication number | Publication date |
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EP2320802A4 (en) | 2017-03-08 |
US20140073921A1 (en) | 2014-03-13 |
JP2011530345A (en) | 2011-12-22 |
JP2015071074A (en) | 2015-04-16 |
EP2320802A2 (en) | 2011-05-18 |
KR101659910B1 (en) | 2016-09-27 |
US20110178400A1 (en) | 2011-07-21 |
WO2010017445A3 (en) | 2010-04-22 |
JP5972960B2 (en) | 2016-08-17 |
JP5666446B2 (en) | 2015-02-12 |
EP2320802B1 (en) | 2018-08-01 |
US8602993B2 (en) | 2013-12-10 |
KR20110039581A (en) | 2011-04-19 |
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