DE69228974D1 - Ultraschall-Doppler-Anordnung zur Messung der Blutströmung - Google Patents

Ultraschall-Doppler-Anordnung zur Messung der Blutströmung

Info

Publication number
DE69228974D1
DE69228974D1 DE69228974T DE69228974T DE69228974D1 DE 69228974 D1 DE69228974 D1 DE 69228974D1 DE 69228974 T DE69228974 T DE 69228974T DE 69228974 T DE69228974 T DE 69228974T DE 69228974 D1 DE69228974 D1 DE 69228974D1
Authority
DE
Germany
Prior art keywords
blood flow
measuring blood
ultrasonic doppler
arrangement
doppler arrangement
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 - Lifetime
Application number
DE69228974T
Other languages
English (en)
Other versions
DE69228974T2 (de
Inventor
Shigeru Akamatsu
Yuji Kondo
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.)
Hitachi Aloka Medical Ltd
Original Assignee
Aloka Co Ltd
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
Priority claimed from JP27513291A external-priority patent/JPH05111485A/ja
Priority claimed from JP30196391A external-priority patent/JPH0716490B2/ja
Application filed by Aloka Co Ltd filed Critical Aloka Co Ltd
Publication of DE69228974D1 publication Critical patent/DE69228974D1/de
Application granted granted Critical
Publication of DE69228974T2 publication Critical patent/DE69228974T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6853—Catheters with a balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • 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
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
DE69228974T 1991-10-23 1992-10-23 Ultraschall-Doppler-Anordnung zur Messung der Blutströmung Expired - Lifetime DE69228974T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27513291A JPH05111485A (ja) 1991-10-23 1991-10-23 超音波ドプラ血流速度測定装置
JP30196391A JPH0716490B2 (ja) 1991-11-18 1991-11-18 超音波ドプラ血流量監視装置

Publications (2)

Publication Number Publication Date
DE69228974D1 true DE69228974D1 (de) 1999-05-27
DE69228974T2 DE69228974T2 (de) 1999-08-26

Family

ID=26551334

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69229802T Expired - Lifetime DE69229802T2 (de) 1991-10-23 1992-10-23 Ultraschall-Doppler-Anordnung zur Überwachung der Blutströmung
DE69228974T Expired - Lifetime DE69228974T2 (de) 1991-10-23 1992-10-23 Ultraschall-Doppler-Anordnung zur Messung der Blutströmung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69229802T Expired - Lifetime DE69229802T2 (de) 1991-10-23 1992-10-23 Ultraschall-Doppler-Anordnung zur Überwachung der Blutströmung

Country Status (3)

Country Link
US (1) US5339816A (de)
EP (2) EP0670146B1 (de)
DE (2) DE69229802T2 (de)

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JPH06327672A (ja) * 1993-05-18 1994-11-29 Toshiba Medical Eng Co Ltd 超音波ドプラ診断装置
US5433205A (en) * 1994-04-08 1995-07-18 Visveshwara; Nadarasa Method of optimizing ventilation perfusion match
US5394876A (en) * 1994-06-30 1995-03-07 Spacelabs Medical, Inc. Method and apparatus for aiming a doppler flow sensing device
WO1996028088A2 (en) * 1995-03-14 1996-09-19 Vnus Medical Technologies, Inc. Venous pump efficiency test system and method
AU1169697A (en) * 1996-01-05 1997-08-01 Sunlight Ultrasound Technologies Limited Blood volocity determination
US6261233B1 (en) 1996-01-05 2001-07-17 Sunlight Medical Ltd. Method and device for a blood velocity determination
US5824879A (en) * 1996-10-04 1998-10-20 Rosemount Inc. Method of calibrating an ultrasonic flow meter
EP0839497A1 (de) * 1996-11-01 1998-05-06 EndoSonics Corporation Verfahren zum Messen des Volumenflusses und des Geschwindigkeitsprofils in einen Lumen oder einer Körperhöhle
US6539316B1 (en) 2000-01-06 2003-03-25 Data Sciences International, Inc. Phase detector
US6595071B1 (en) 2000-01-06 2003-07-22 Transoma Medical, Inc. Estimation of error angle in ultrasound flow measurement
US6435037B1 (en) 2000-01-06 2002-08-20 Data Sciences International, Inc. Multiplexed phase detector
WO2001089387A1 (en) * 2000-05-19 2001-11-29 Echocath, Inc. Angle-independent doppler system
JP4269623B2 (ja) * 2002-10-07 2009-05-27 株式会社 東北テクノアーチ 血流可視化診断装置
US7559894B2 (en) * 2003-09-18 2009-07-14 New Paradigm Concepts, LLC Multiparameter whole blood monitor and method
JP4441664B2 (ja) * 2004-07-28 2010-03-31 株式会社ユネクス 血管形状測定装置および血流量測定装置
US8323202B2 (en) 2007-11-16 2012-12-04 Pneumrx, Inc. Method and system for measuring pulmonary artery circulation information
JP5607610B2 (ja) * 2008-05-07 2014-10-15 ザ ジェネラル ホスピタル コーポレイション 構造の特徴を決定する装置、装置の作動方法およびコンピュータアクセス可能な媒体
JP2011087710A (ja) * 2009-10-21 2011-05-06 Toshiba Corp 超音波診断装置
KR102166894B1 (ko) 2012-08-31 2020-10-16 사노피-아벤티스 도이칠란트 게엠베하 약물 전달 장치
CN105455848A (zh) * 2014-09-05 2016-04-06 鸿富锦精密工业（深圳）有限公司 具有自动求救功能的可穿戴式装置和自动求救方法
US11330990B2 (en) * 2015-01-05 2022-05-17 Nipro Corporation Blood flow meter and measurement device
GB2563155A (en) * 2015-02-12 2018-12-05 Foundry Innovation & Res 1 Ltd Implantable devices and related methods for heart failure monitoring
US11039813B2 (en) 2015-08-03 2021-06-22 Foundry Innovation & Research 1, Ltd. Devices and methods for measurement of Vena Cava dimensions, pressure and oxygen saturation
EP3496606A1 (de) 2016-08-11 2019-06-19 Foundry Innovation & Research 1, Ltd. Systeme und verfahren zum patientenfluidmanagement
US11701018B2 (en) 2016-08-11 2023-07-18 Foundry Innovation & Research 1, Ltd. Wireless resonant circuit and variable inductance vascular monitoring implants and anchoring structures therefore
US11206992B2 (en) 2016-08-11 2021-12-28 Foundry Innovation & Research 1, Ltd. Wireless resonant circuit and variable inductance vascular monitoring implants and anchoring structures therefore
EP3725214A1 (de) 2016-11-29 2020-10-21 Foundry Innovation & Research 1, Ltd. Gefässimplantate mit drahtlosem resonanzkreis und variabler induktivität zur überwachung des gefässsystems
US11944495B2 (en) 2017-05-31 2024-04-02 Foundry Innovation & Research 1, Ltd. Implantable ultrasonic vascular sensor
US11779238B2 (en) 2017-05-31 2023-10-10 Foundry Innovation & Research 1, Ltd. Implantable sensors for vascular monitoring
JP6592164B1 (ja) * 2018-10-22 2019-10-16 束原 幸俊 血流量プローブ、血流量センサ及び血流量測定器
EP4209178A1 (de) * 2022-01-08 2023-07-12 Koninklijke Philips N.V. Intraluminale vorrichtung zur erfassung der physiologie mit positionierungsführung und zugehörige vorrichtungen, systeme und verfahren
WO2023131566A1 (en) * 2022-01-08 2023-07-13 Koninklijke Philips N.V. Physiology sensing intraluminal device with positioning guidance and associated devices, systems, and methods

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237729A (en) * 1978-06-02 1980-12-09 Howmedica, Inc. Doppler flow meter
US4259870A (en) * 1979-02-26 1981-04-07 Howmedica Inc. Doppler method of measuring flow
US4722347A (en) * 1985-01-15 1988-02-02 Applied Biometrics, Inc. Apparatus for measuring cardiac output
US4856529A (en) * 1985-05-24 1989-08-15 Cardiometrics, Inc. Ultrasonic pulmonary artery catheter and method
US4733669A (en) * 1985-05-24 1988-03-29 Cardiometrics, Inc. Blood flow measurement catheter
US4967753A (en) * 1987-04-10 1990-11-06 Cardiometrics, Inc. Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel
US5105818A (en) * 1987-04-10 1992-04-21 Cardiometric, Inc. Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith
US4869263A (en) * 1988-02-04 1989-09-26 Cardiometrics, Inc. Device and method for measuring volumetric blood flow in a vessel
US4947852A (en) * 1988-10-05 1990-08-14 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
US5121749A (en) * 1988-10-05 1992-06-16 Cardiometrics, Inc. Position in dependent volumetric flow measuring apparatus
US5078148A (en) * 1988-10-05 1992-01-07 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducers and catheter for use therewith
US5125137A (en) * 1990-09-06 1992-06-30 Cardiometrics, Inc. Method for providing a miniature ultrasound high efficiency transducer assembly
US5059851A (en) * 1990-09-06 1991-10-22 Cardiometrics, Inc. Miniature ultrasound high efficiency transducer assembly, guidewire using the same and method

Also Published As

Publication number Publication date
DE69229802T2 (de) 2000-01-20
DE69228974T2 (de) 1999-08-26
DE69229802D1 (de) 1999-09-16
EP0670146A1 (de) 1995-09-06
US5339816A (en) 1994-08-23
EP0670146B1 (de) 1999-08-11
EP0538885A1 (de) 1993-04-28
EP0538885B1 (de) 1999-04-21

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