DE69317697T2 - Ständige Anzeige der spitzen- und der mittleren Blutströmungsgeschwindigkeit - Google Patents

Ständige Anzeige der spitzen- und der mittleren Blutströmungsgeschwindigkeit

Info

Publication number
DE69317697T2
DE69317697T2 DE69317697T DE69317697T DE69317697T2 DE 69317697 T2 DE69317697 T2 DE 69317697T2 DE 69317697 T DE69317697 T DE 69317697T DE 69317697 T DE69317697 T DE 69317697T DE 69317697 T2 DE69317697 T2 DE 69317697T2
Authority
DE
Germany
Prior art keywords
peak
spectral
doppler
mean
line
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69317697T
Other languages
English (en)
Other versions
DE69317697D1 (de
Inventor
Helen Frances Routh
Roy Beck Peterson
Charles Wesley Powrie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Technology Laboratories Inc
Original Assignee
Advanced Technology Laboratories Inc
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 Advanced Technology Laboratories Inc filed Critical Advanced Technology Laboratories Inc
Application granted granted Critical
Publication of DE69317697D1 publication Critical patent/DE69317697D1/de
Publication of DE69317697T2 publication Critical patent/DE69317697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination 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
    • G01S7/52071—Multicolour displays; using colour coding; Optimising colour or information content in displays, e.g. parametric imaging
DE69317697T 1992-05-02 1993-06-01 Ständige Anzeige der spitzen- und der mittleren Blutströmungsgeschwindigkeit Expired - Fee Related DE69317697T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/892,301 US5287753A (en) 1992-05-02 1992-05-02 Continuous display of peak and mean blood flow velocities

Publications (2)

Publication Number Publication Date
DE69317697D1 DE69317697D1 (de) 1998-05-07
DE69317697T2 true DE69317697T2 (de) 1998-07-23

Family

ID=25399745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317697T Expired - Fee Related DE69317697T2 (de) 1992-05-02 1993-06-01 Ständige Anzeige der spitzen- und der mittleren Blutströmungsgeschwindigkeit

Country Status (5)

Country Link
US (1) US5287753A (de)
EP (1) EP0573249B1 (de)
JP (1) JP3423356B2 (de)
AT (1) ATE164685T1 (de)
DE (1) DE69317697T2 (de)

Families Citing this family (130)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443071A (en) * 1994-10-11 1995-08-22 Siemens Medical Systems, Inc. Quantitative color flow
US5471990A (en) * 1994-11-23 1995-12-05 Advanced Technology Laboratories, Inc. Ultrasonic doppler power measurement and display system
US5579768A (en) * 1995-03-21 1996-12-03 Acuson Corporation Automatic gain compensation in an ultrasound imaging system
US5595179A (en) * 1995-05-02 1997-01-21 Acuson Corporation Adaptive persistence processing
US5579770A (en) * 1995-05-02 1996-12-03 Acuson Corporation Multiple transmit zone splicing
US5642732A (en) * 1995-05-03 1997-07-01 Acuson Corporation Apparatus and method for estimating missing doppler signals and spectra
US5634465A (en) * 1995-06-09 1997-06-03 Advanced Technology Laboratories, Inc. Continuous display of cardiac blood flow information
US5590658A (en) * 1995-06-29 1997-01-07 Teratech Corporation Portable ultrasound imaging system
US5964709A (en) * 1995-06-29 1999-10-12 Teratech Corporation Portable ultrasound imaging system
US8241217B2 (en) 1995-06-29 2012-08-14 Teratech Corporation Portable ultrasound imaging data
US5957846A (en) * 1995-06-29 1999-09-28 Teratech Corporation Portable ultrasound imaging system
US7500952B1 (en) 1995-06-29 2009-03-10 Teratech Corporation Portable ultrasound imaging system
DE69736549T2 (de) * 1996-02-29 2007-08-23 Acuson Corp., Mountain View System, verfahren und wandler zum ausrichten mehrerer ultraschallbilder
EP0890098A2 (de) * 1996-03-29 1999-01-13 Abbott Laboratories Verfahren und vorrichtung um flussige produkte zu analysieren
US5846202A (en) * 1996-07-30 1998-12-08 Acuson Corporation Ultrasound method and system for imaging
US6041662A (en) * 1996-09-06 2000-03-28 Endosonics Corporation Process and apparatus for the determination of true average peak velocity
US5647366A (en) * 1996-09-17 1997-07-15 Siemens Medical Systems, Inc. Method and system for automatic measurements of doppler waveforms
US5868676A (en) * 1996-10-25 1999-02-09 Acuson Corporation Interactive doppler processor and method
US6030344A (en) * 1996-12-04 2000-02-29 Acuson Corporation Methods and apparatus for ultrasound image quantification
US6086539A (en) * 1996-12-04 2000-07-11 Acuson Corporation Methods and apparatus for ultrasound image quantification
US5882306A (en) * 1997-04-11 1999-03-16 Acuson Corporation Ultrasound imaging methods and systems
US5961460A (en) * 1997-04-11 1999-10-05 Acuson Corporation Ultrasound imaging enhancement methods and systems
US6110120A (en) 1997-04-11 2000-08-29 Acuson Corporation Gated ultrasound imaging apparatus and method
US5922945A (en) * 1997-04-16 1999-07-13 Abbott Laboratories Method and apparatus for noninvasively analyzing flowable products
US6030345A (en) * 1997-05-22 2000-02-29 Acuson Corporation Method and system for ultrasound enhanced-resolution spectral Doppler
US6050944A (en) * 1997-06-17 2000-04-18 Acuson Corporation Method and apparatus for frequency control of an ultrasound system
JP3892538B2 (ja) * 1997-07-18 2007-03-14 株式会社東芝 超音波ドプラ診断装置
US6023977A (en) 1997-08-01 2000-02-15 Acuson Corporation Ultrasonic imaging aberration correction system and method
US6132374A (en) * 1997-08-01 2000-10-17 Acuson Corporation Ultrasonic imaging method and system
US5944666A (en) * 1997-08-21 1999-08-31 Acuson Corporation Ultrasonic method for imaging blood flow including disruption or activation of contrast agent
US5928151A (en) * 1997-08-22 1999-07-27 Acuson Corporation Ultrasonic system and method for harmonic imaging in three dimensions
US6106465A (en) * 1997-08-22 2000-08-22 Acuson Corporation Ultrasonic method and system for boundary detection of an object of interest in an ultrasound image
US5873830A (en) * 1997-08-22 1999-02-23 Acuson Corporation Ultrasound imaging system and method for improving resolution and operation
US5935074A (en) * 1997-10-06 1999-08-10 General Electric Company Method and apparatus for automatic tracing of Doppler time-velocity waveform envelope
US5935069A (en) * 1997-10-10 1999-08-10 Acuson Corporation Ultrasound system and method for variable transmission of ultrasonic signals
US5860931A (en) * 1997-10-10 1999-01-19 Acuson Corporation Ultrasound method and system for measuring perfusion
US6176143B1 (en) 1997-12-01 2001-01-23 General Electric Company Method and apparatus for estimation and display of spectral broadening error margin for doppler time-velocity waveforms
US5897500A (en) * 1997-12-18 1999-04-27 Acuson Corporation Ultrasonic imaging system and method for displaying composite fundamental and harmonic images
AUPP227898A0 (en) * 1998-03-11 1998-04-09 Commonwealth Scientific And Industrial Research Organisation Improvements in ultrasound techniques
US6048316A (en) * 1998-10-16 2000-04-11 Acuson Corporation Medical diagnostic ultrasonic imaging system and method for displaying composite fundamental and harmonic images
US6296612B1 (en) * 1999-07-09 2001-10-02 General Electric Company Method and apparatus for adaptive wall filtering in spectral Doppler ultrasound imaging
US6251077B1 (en) * 1999-08-13 2001-06-26 General Electric Company Method and apparatus for dynamic noise reduction for doppler audio output
US6685645B1 (en) 2001-10-20 2004-02-03 Zonare Medical Systems, Inc. Broad-beam imaging
US6733455B2 (en) 1999-08-20 2004-05-11 Zonare Medical Systems, Inc. System and method for adaptive clutter filtering in ultrasound color flow imaging
US6454722B1 (en) * 1999-08-31 2002-09-24 Canon Kabushiki Kaisha Doppler velocimeter for blood flow
US6423006B1 (en) * 2000-01-21 2002-07-23 Siemens Medical Solutions Usa, Inc. Method and apparatus for automatic vessel tracking in ultrasound systems
US7604599B2 (en) 2000-09-29 2009-10-20 New Health Sciences, Inc. Systems and methods for using dynamic vascular assessment to improve vascular stent placement, application, design and marketing
US7104958B2 (en) * 2001-10-01 2006-09-12 New Health Sciences, Inc. Systems and methods for investigating intracranial pressure
US6955648B2 (en) * 2000-09-29 2005-10-18 New Health Sciences, Inc. Precision brain blood flow assessment remotely in real time using nanotechnology ultrasound
KR20040015011A (ko) * 2000-09-29 2004-02-18 뉴 헬스 사이언시즈 인코포레이티드 혈관 건강 분석평가 시스템 및 방법
KR100380913B1 (ko) * 2001-04-13 2003-04-18 주식회사 메디슨 가변 전력 임계값을 이용하여 잡음과 신호를 분리하는초음파 영상 형성 방법 및 장치
CA2474309A1 (en) * 2002-01-28 2003-08-07 New Health Sciences, Inc. Detecting, assessing, and diagnosing sleep apnea
US8010174B2 (en) 2003-08-22 2011-08-30 Dexcom, Inc. Systems and methods for replacing signal artifacts in a glucose sensor data stream
US9247901B2 (en) 2003-08-22 2016-02-02 Dexcom, Inc. Systems and methods for replacing signal artifacts in a glucose sensor data stream
US8260393B2 (en) 2003-07-25 2012-09-04 Dexcom, Inc. Systems and methods for replacing signal data artifacts in a glucose sensor data stream
US9282925B2 (en) * 2002-02-12 2016-03-15 Dexcom, Inc. Systems and methods for replacing signal artifacts in a glucose sensor data stream
US6663566B2 (en) * 2002-02-19 2003-12-16 Ge Medical Systems Global Technology Company, Llc Method and apparatus for automatic control of spectral doppler imaging
US7024244B2 (en) * 2002-04-22 2006-04-04 Medtronic, Inc. Estimation of stroke volume cardiac output using an intracardiac pressure sensor
AU2003229334A1 (en) * 2002-05-21 2003-12-12 New Health Sciences, Inc. Systems and methods for investigating intracranial pressure
US20070083118A1 (en) * 2002-07-22 2007-04-12 Ep Medsystems, Inc. Method and System For Estimating Cardiac Ejection Volume Using Ultrasound Spectral Doppler Image Data
US8282549B2 (en) 2003-12-09 2012-10-09 Dexcom, Inc. Signal processing for continuous analyte sensor
US8423113B2 (en) 2003-07-25 2013-04-16 Dexcom, Inc. Systems and methods for processing sensor data
JP4245428B2 (ja) * 2003-07-29 2009-03-25 東芝医用システムエンジニアリング株式会社 超音波ドプラ診断装置及び画像データ生成方法
US8369919B2 (en) * 2003-08-01 2013-02-05 Dexcom, Inc. Systems and methods for processing sensor data
US7925321B2 (en) * 2003-08-01 2011-04-12 Dexcom, Inc. System and methods for processing analyte sensor data
US8886273B2 (en) * 2003-08-01 2014-11-11 Dexcom, Inc. Analyte sensor
US20070208245A1 (en) * 2003-08-01 2007-09-06 Brauker James H Transcutaneous analyte sensor
US7591801B2 (en) 2004-02-26 2009-09-22 Dexcom, Inc. Integrated delivery device for continuous glucose sensor
US7774145B2 (en) * 2003-08-01 2010-08-10 Dexcom, Inc. Transcutaneous analyte sensor
US8761856B2 (en) 2003-08-01 2014-06-24 Dexcom, Inc. System and methods for processing analyte sensor data
US20190357827A1 (en) 2003-08-01 2019-11-28 Dexcom, Inc. Analyte sensor
US8676287B2 (en) 2003-08-01 2014-03-18 Dexcom, Inc. System and methods for processing analyte sensor data
US8160669B2 (en) * 2003-08-01 2012-04-17 Dexcom, Inc. Transcutaneous analyte sensor
US8845536B2 (en) * 2003-08-01 2014-09-30 Dexcom, Inc. Transcutaneous analyte sensor
US8275437B2 (en) 2003-08-01 2012-09-25 Dexcom, Inc. Transcutaneous analyte sensor
US9135402B2 (en) 2007-12-17 2015-09-15 Dexcom, Inc. Systems and methods for processing sensor data
US8060173B2 (en) 2003-08-01 2011-11-15 Dexcom, Inc. System and methods for processing analyte sensor data
US8233959B2 (en) * 2003-08-22 2012-07-31 Dexcom, Inc. Systems and methods for processing analyte sensor data
US20140121989A1 (en) 2003-08-22 2014-05-01 Dexcom, Inc. Systems and methods for processing analyte sensor data
US7920906B2 (en) 2005-03-10 2011-04-05 Dexcom, Inc. System and methods for processing analyte sensor data for sensor calibration
US9247900B2 (en) 2004-07-13 2016-02-02 Dexcom, Inc. Analyte sensor
WO2005051170A2 (en) * 2003-11-19 2005-06-09 Dexcom, Inc. Integrated receiver for continuous analyte sensor
US20050113698A1 (en) * 2003-11-21 2005-05-26 Kjell Kristoffersen Ultrasound probe transceiver circuitry
US7527591B2 (en) * 2003-11-21 2009-05-05 General Electric Company Ultrasound probe distributed beamformer
US7527592B2 (en) * 2003-11-21 2009-05-05 General Electric Company Ultrasound probe sub-aperture processing
US8364231B2 (en) 2006-10-04 2013-01-29 Dexcom, Inc. Analyte sensor
US8287453B2 (en) 2003-12-05 2012-10-16 Dexcom, Inc. Analyte sensor
US11633133B2 (en) 2003-12-05 2023-04-25 Dexcom, Inc. Dual electrode system for a continuous analyte sensor
DE602004029092D1 (de) * 2003-12-05 2010-10-21 Dexcom Inc Kalibrationsmethoden für einen kontinuierlich arbeitenden analytsensor
US8532730B2 (en) 2006-10-04 2013-09-10 Dexcom, Inc. Analyte sensor
US8423114B2 (en) 2006-10-04 2013-04-16 Dexcom, Inc. Dual electrode system for a continuous analyte sensor
US8808228B2 (en) 2004-02-26 2014-08-19 Dexcom, Inc. Integrated medicament delivery device for use with continuous analyte sensor
US8792955B2 (en) 2004-05-03 2014-07-29 Dexcom, Inc. Transcutaneous analyte sensor
US7946984B2 (en) 2004-07-13 2011-05-24 Dexcom, Inc. Transcutaneous analyte sensor
US7783333B2 (en) * 2004-07-13 2010-08-24 Dexcom, Inc. Transcutaneous medical device with variable stiffness
US8886272B2 (en) 2004-07-13 2014-11-11 Dexcom, Inc. Analyte sensor
WO2006127694A2 (en) * 2004-07-13 2006-11-30 Dexcom, Inc. Analyte sensor
US20060016700A1 (en) 2004-07-13 2006-01-26 Dexcom, Inc. Transcutaneous analyte sensor
US8565848B2 (en) 2004-07-13 2013-10-22 Dexcom, Inc. Transcutaneous analyte sensor
US8452368B2 (en) 2004-07-13 2013-05-28 Dexcom, Inc. Transcutaneous analyte sensor
CN100453049C (zh) * 2004-09-06 2009-01-21 株式会社东芝 超声波诊断装置和超声波信号分析方法
US8303507B2 (en) * 2004-09-07 2012-11-06 Kabushiki Kaisha Toshiba Ultrasonic doppler diagnostic apparatus and measuring method of diagnostic parameter
JP2006223694A (ja) * 2005-02-21 2006-08-31 Seiko Instruments Inc 生体情報測定装置
EP1865836A4 (de) * 2005-03-15 2009-09-09 Uscom Ltd Automatisches strömungsverfolgungssystem und verfahren
CN100496409C (zh) * 2005-08-02 2009-06-10 深圳迈瑞生物医疗电子股份有限公司 频谱多普勒血流速度的自动检测方法
CN101375178A (zh) * 2006-01-27 2009-02-25 皇家飞利浦电子股份有限公司 自动化超声多普勒测量
AU2007248475A1 (en) 2006-05-04 2007-11-15 Cardiomems, Inc. Implantable wireless sensor for in vivo pressure measurement and continuous output determination
JP4960021B2 (ja) * 2006-06-02 2012-06-27 株式会社東芝 超音波ドプラ診断装置及び超音波ドプラ診断装置の制御プログラム
KR100770440B1 (ko) * 2006-08-29 2007-10-26 삼성전기주식회사 질화물 반도체 발광소자
US8187190B2 (en) 2006-12-14 2012-05-29 St. Jude Medical, Atrial Fibrillation Division, Inc. Method and system for configuration of a pacemaker and for placement of pacemaker electrodes
WO2008154312A1 (en) 2007-06-08 2008-12-18 Dexcom, Inc. Integrated medicament delivery device for use with continuous analyte sensor
US9452258B2 (en) 2007-10-09 2016-09-27 Dexcom, Inc. Integrated insulin delivery system with continuous glucose sensor
US8417312B2 (en) 2007-10-25 2013-04-09 Dexcom, Inc. Systems and methods for processing sensor data
US8290559B2 (en) 2007-12-17 2012-10-16 Dexcom, Inc. Systems and methods for processing sensor data
WO2009105709A1 (en) 2008-02-21 2009-08-27 Dexcom, Inc. Systems and methods for processing, transmitting and displaying sensor data
US8396528B2 (en) 2008-03-25 2013-03-12 Dexcom, Inc. Analyte sensor
US9414805B2 (en) * 2008-07-28 2016-08-16 Siemens Medical Solutions Usa, Inc. Spectral Doppler with multiple spatially distinct gates
CN101766496B (zh) * 2008-12-31 2012-08-29 深圳迈瑞生物医疗电子股份有限公司 一种噪声估计方法和一键优化方法及其系统
KR100977457B1 (ko) 2009-01-19 2010-08-24 한국전기연구원 도플러 효과를 이용한 초음파 혈류 평가 방법
US20100228130A1 (en) * 2009-03-09 2010-09-09 Teratech Corporation Portable ultrasound imaging system
US9446194B2 (en) 2009-03-27 2016-09-20 Dexcom, Inc. Methods and systems for promoting glucose management
CN102481141B (zh) * 2009-05-01 2016-08-24 尤伦·帕提 基于多普勒的流量测量
CN103607956B (zh) * 2011-02-03 2016-08-10 尤伦·帕提 经胸的心肺监测器
US8874390B2 (en) * 2011-03-23 2014-10-28 Hach Company Instrument and method for processing a doppler measurement signal
DK3575796T3 (da) 2011-04-15 2021-01-18 Dexcom Inc Avanceret analytsensorkalibrering og fejldetektion
CN103494615B (zh) * 2013-10-15 2016-03-09 深圳开立生物医疗科技股份有限公司 最大频率包络曲线的计算方法和装置
US20160377717A1 (en) * 2015-06-29 2016-12-29 Edan Instruments, Inc. Systems and methods for adaptive sampling of doppler spectrum
EP3537980B1 (de) 2016-11-14 2023-11-01 Koninklijke Philips N.V. Dreifachmodus-ultraschallbildgebung zur anatomischen, funktionalen und hämodynamischen bildgebung
US11331022B2 (en) 2017-10-24 2022-05-17 Dexcom, Inc. Pre-connected analyte sensors
US20190120785A1 (en) 2017-10-24 2019-04-25 Dexcom, Inc. Pre-connected analyte sensors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109642A (en) * 1972-04-03 1978-08-29 Institute Of Applied Physiology & Medicine Apparatus for ultrasonic arteriography
US4575799A (en) * 1983-03-23 1986-03-11 Fujitsu Limited Ultrasonic living body tissue characterization system
NO831718L (no) * 1983-05-13 1984-11-14 Vingmed As Fremgangsmaate og apparat ved blodstroem-hastighetsmaaling med ultralyd for dannelse av todimensjonal avbildning av blodets hastighet
JPH07106202B2 (ja) * 1988-12-21 1995-11-15 松下電器産業株式会社 超音波ドップラ血流計

Also Published As

Publication number Publication date
JPH06133972A (ja) 1994-05-17
EP0573249A1 (de) 1993-12-08
US5287753A (en) 1994-02-22
DE69317697D1 (de) 1998-05-07
ATE164685T1 (de) 1998-04-15
EP0573249B1 (de) 1998-04-01
JP3423356B2 (ja) 2003-07-07

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