GB1592695A - Ultrasonic fetal heart monitoring apparatus - Google Patents

Ultrasonic fetal heart monitoring apparatus Download PDF

Info

Publication number
GB1592695A
GB1592695A GB40833/77A GB4083377A GB1592695A GB 1592695 A GB1592695 A GB 1592695A GB 40833/77 A GB40833/77 A GB 40833/77A GB 4083377 A GB4083377 A GB 4083377A GB 1592695 A GB1592695 A GB 1592695A
Authority
GB
United Kingdom
Prior art keywords
signal
output
phase
doppler
mixer
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
Application number
GB40833/77A
Other languages
English (en)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of GB1592695A publication Critical patent/GB1592695A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0866—Clinical applications involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/02—Measuring pulse or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • 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
    • G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cardiology (AREA)
  • General Physics & Mathematics (AREA)
  • Gynecology & Obstetrics (AREA)
  • Pregnancy & Childbirth (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
GB40833/77A 1976-10-06 1977-09-30 Ultrasonic fetal heart monitoring apparatus Expired GB1592695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/730,111 US4143650A (en) 1976-10-06 1976-10-06 Directional doppler ultrasound systems for biosignal acquisition and method of using the same

Publications (1)

Publication Number Publication Date
GB1592695A true GB1592695A (en) 1981-07-08

Family

ID=24933959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40833/77A Expired GB1592695A (en) 1976-10-06 1977-09-30 Ultrasonic fetal heart monitoring apparatus

Country Status (7)

Country Link
US (1) US4143650A (cg-RX-API-DMAC10.html)
JP (1) JPS5346188A (cg-RX-API-DMAC10.html)
CH (1) CH625409A5 (cg-RX-API-DMAC10.html)
DE (1) DE2745063A1 (cg-RX-API-DMAC10.html)
FR (1) FR2367293A1 (cg-RX-API-DMAC10.html)
GB (1) GB1592695A (cg-RX-API-DMAC10.html)
NL (1) NL7710433A (cg-RX-API-DMAC10.html)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217909A (en) * 1978-08-23 1980-08-19 General Electric Company Directional detection of blood velocities in an ultrasound system
JPS5554941A (en) * 1978-10-20 1980-04-22 Tokyo Shibaura Electric Co Ultrasoniccwave disgnosis device
JPS58170107U (ja) * 1982-05-04 1983-11-14 株式会社神戸製鋼所 長尺材搬送ラインの切替装置
JPS58174265U (ja) * 1982-05-13 1983-11-21 大「ふね」　一美 スプレ−用吸い上げパイプ
JPS5920149A (ja) * 1982-07-28 1984-02-01 富士通株式会社 超音波パルスドプラ血流計
JPS60210246A (ja) * 1984-04-02 1985-10-22 アロカ株式会社 超音波ドプラ診断装置
US4607642A (en) * 1984-04-19 1986-08-26 Advanced Technology Laboratories Unaliased quadrature audio synthesizer
US4573479A (en) * 1984-06-22 1986-03-04 American Home Products Corporation Systems and methods for monitoring the fetal heart
DE3518967A1 (de) * 1985-05-25 1986-11-27 Hewlett-Packard GmbH, 7030 Böblingen Schaltungsanordnung zum erfassen der herzschlagsbewegung
JPH0530732Y2 (cg-RX-API-DMAC10.html) * 1985-12-19 1993-08-06
JPS6379649A (ja) * 1986-09-22 1988-04-09 横河メディカルシステム株式会社 胎芽無効化処理装置
JPS62281931A (ja) * 1987-05-13 1987-12-07 株式会社東芝 超音波診断装置
US4890624A (en) * 1988-03-22 1990-01-02 Air-Shields, Inc. Fetal heart rate counting system using digital signal processing
WO1995029737A1 (en) * 1994-05-03 1995-11-09 Board Of Regents, The University Of Texas System Apparatus and method for noninvasive doppler ultrasound-guided real-time control of tissue damage in thermal therapy
US6287328B1 (en) * 1999-04-08 2001-09-11 Agilent Technologies, Inc. Multivariable artifact assessment
US6755789B2 (en) 2002-02-05 2004-06-29 Inceptio Medical Technologies, Llc Ultrasonic vascular imaging system and method of blood vessel cannulation
US7806828B2 (en) * 2002-02-05 2010-10-05 Inceptio Medical Technologies, Lc Multiplanar ultrasonic vascular sensor assembly and apparatus for movably affixing a sensor assembly to a body
US6942621B2 (en) * 2002-07-11 2005-09-13 Ge Medical Systems Information Technologies, Inc. Method and apparatus for detecting weak physiological signals
IL151029A0 (en) * 2002-08-01 2003-04-10 Art Medical Instr Ltd Bio-filter pad for facilitating the detection of an occurrence of a physiological action, and method therefor, and fetal activity monitoring apparatus
GB0307078D0 (en) * 2003-03-27 2003-04-30 Qinetiq Ltd Improvements in and relating to ultrasound detection
US7338450B2 (en) * 2004-08-27 2008-03-04 General Electric Company Method and apparatus for performing CW doppler ultrasound utilizing a 2D matrix array
US20060106309A1 (en) * 2004-11-16 2006-05-18 Siemens Medical Solutions Usa, Inc. Aberration correction beam patterns
US20060189893A1 (en) * 2005-01-06 2006-08-24 Diamics, Inc. Systems and methods for detecting abnormal cells
US20060161076A1 (en) * 2005-01-06 2006-07-20 Diamics, Inc. Systems and methods for collection of cell clusters
US20090118612A1 (en) 2005-05-06 2009-05-07 Sorin Grunwald Apparatus and Method for Vascular Access
US9198600B2 (en) * 2005-05-06 2015-12-01 Vasonova, Inc. Endovascular access and guidance system utilizing divergent beam ultrasound
JP5660890B2 (ja) 2007-06-26 2015-01-28 バソノバ・インコーポレイテッドＶａｓｏｎｏｖａ， Ｉｎｃ． 血管アクセス及びガイダンスシステム
US8075500B2 (en) * 2007-07-17 2011-12-13 Biopad Ltd. Fetal wellbeing monitoring apparatus and pad therefor
JP5214920B2 (ja) * 2007-07-24 2013-06-19 株式会社東芝 超音波診断装置及び超音波診断装置の音響出力方法
BR112013002284A2 (pt) * 2010-08-02 2016-05-24 Koninkl Philips Electronics Nv método de monitoramento cardíaco fetal, programa de computador e dispositivo para monitoramento cardíaco fetal ultrassônico
EP2637568B1 (en) 2010-11-08 2017-04-12 Vasonova, Inc. Endovascular navigation system
JP6088046B2 (ja) 2012-05-07 2017-03-01 バソノバ・インコーポレイテッドＶａｓｏｎｏｖａ， Ｉｎｃ． 右心房インジケータ
JP6445354B2 (ja) * 2015-03-05 2018-12-26 国立大学法人九州工業大学 生体信号検出装置及び血圧測定システム
CN108289653B (zh) 2015-09-15 2021-04-27 皇家飞利浦有限公司 用于确定胎儿心率的设备和方法
US20240298950A1 (en) 2023-03-08 2024-09-12 CloudNav Inc. Fetal magnetocardiography systems and methods

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982114A (en) * 1961-08-28 1976-09-21 Trw Inc. Signal processing system
US3386095A (en) * 1966-10-24 1968-05-28 Rca Corp Doppler type correlation system
US3386094A (en) * 1966-10-24 1968-05-28 Rca Corp Amplitude modulation cancellation for phase modulated correlation system
US3388398A (en) * 1966-10-24 1968-06-11 Rca Corp Doppler type correlation system
US3614785A (en) * 1969-03-28 1971-10-19 Rca Corp Doppler correlation radar system
US3813654A (en) * 1971-10-05 1974-05-28 Sonicaid Ltd Diagnostic apparatus for fetal heartbeat monitoring
US3763851A (en) * 1971-12-08 1973-10-09 Hoffmann La Roche Ultrasonic doppler fetal heart monitor with variable resonance means
US3796989A (en) * 1972-06-01 1974-03-12 Westinghouse Electric Corp Direction sensitive doppler processor
US3934577A (en) * 1972-12-08 1976-01-27 Hoffmann-La Roche Inc. Fetal heart rate monitoring apparatus
US3942178A (en) * 1974-03-27 1976-03-02 Sontrix, Inc. Intrusion detection system
JPS50129063A (cg-RX-API-DMAC10.html) * 1974-03-29 1975-10-11
DE2420638A1 (de) * 1974-04-27 1976-03-18 Philips Nv Schaltungsanordnung zur erzeugung eines summen- und/oder differenzsignals
US3956623A (en) * 1974-10-21 1976-05-11 Gte Automatic Electric Laboratories Incorporated Digital phase detector
JPS567592B2 (cg-RX-API-DMAC10.html) * 1974-10-31 1981-02-18
JPS51126171A (en) * 1974-12-23 1976-11-04 Yokogawa Hewlett Packard Ltd Detecting device of moving object
DE2606415A1 (de) * 1974-12-23 1976-10-28 Hewlett Packard Yokogawa Schaltung zur festziel-unterdrueckung
DE2617158C2 (de) * 1976-04-20 1978-04-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Nach dem Ultraschall-Doppler-Prinzip arbeitender Herzfrequenzmesser

Also Published As

Publication number Publication date
JPS636214B2 (cg-RX-API-DMAC10.html) 1988-02-08
DE2745063A1 (de) 1978-04-13
DE2745063C2 (cg-RX-API-DMAC10.html) 1988-08-25
CH625409A5 (cg-RX-API-DMAC10.html) 1981-09-30
US4143650A (en) 1979-03-13
FR2367293A1 (fr) 1978-05-05
NL7710433A (nl) 1978-04-10
JPS5346188A (en) 1978-04-25
FR2367293B1 (cg-RX-API-DMAC10.html) 1984-06-29

Similar Documents

Publication Publication Date Title
US4143650A (en) Directional doppler ultrasound systems for biosignal acquisition and method of using the same
Kasai et al. Real-time two-dimensional blood flow imaging using an autocorrelation technique
US4318413A (en) Ultrasonic diagnostic apparatus
US4501279A (en) Ultrasonic blood flow sensing apparatus
EP0081045A1 (en) Ultrasonic diagnostic equipment
Coghlan et al. Directional Doppler techniques for detection of blood velocities
EP0996366A1 (en) Method for operating an ultrasonic diagnostic imaging system
JPS6226051A (ja) 超音波血流量自動測定装置
Merritt Doppler US: the basics.
NL8001867A (nl) Foetale hartslagmonitor en werkwijze voor het combi- neren van lange elektrische en mechanische weg afgeleide cardiografische signalen.
US20100004540A1 (en) Dual path processing for optimal speckle tracking
US5383464A (en) Ultrasonic doppler diagnostic system
Shakespeare et al. The information content of Doppler ultrasound signals from the fetal heart
JPH0614930B2 (ja) 超音波診断装置
US5483962A (en) Complex MTI filter
DE3687384T2 (de) Ultraschallgeraet zur messung der beschleunigung eines bewegten reflektierenden teils.
Mackay Non-invasive cardiac output measurement
JP2931707B2 (ja) 超音波診断装置
WO1990000368A1 (en) Apparatus for monitoring fetal heart rate
JP3238467B2 (ja) 超音波ドップラ診断装置
Lauersen et al. A new technique for improving the Doppler ultrasound signal for fetal heart rate monitoring
JPH0254738B2 (cg-RX-API-DMAC10.html)
Strandness Jr History of ultrasonic duplex scanning
JPH03191951A (ja) 超音波診断装置
Zalud et al. Division of Maternal-Fetal Medicine, Department of OB/GYN Georgetown University, School of Medicine

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee