DE2134286A1 - Vorrichtung zur Über wachung bei der Geburtshilfe - Google Patents

Vorrichtung zur Über wachung bei der Geburtshilfe

Info

Publication number
DE2134286A1
DE2134286A1 DE19712134286 DE2134286A DE2134286A1 DE 2134286 A1 DE2134286 A1 DE 2134286A1 DE 19712134286 DE19712134286 DE 19712134286 DE 2134286 A DE2134286 A DE 2134286A DE 2134286 A1 DE2134286 A1 DE 2134286A1
Authority
DE
Germany
Prior art keywords
circuit
demodulation
amplification
generator
stage
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.)
Pending
Application number
DE19712134286
Other languages
German (de)
English (en)
Inventor
Der Anmelder Ist
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2134286A1 publication Critical patent/DE2134286A1/de
Pending 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
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
    • A61B5/4356—Assessing uterine contractions
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/42—Gynaecological or obstetrical instruments or methods

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Pregnancy & Childbirth (AREA)
  • Gynecology & Obstetrics (AREA)
  • Reproductive Health (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE19712134286 1970-07-21 1971-07-09 Vorrichtung zur Über wachung bei der Geburtshilfe Pending DE2134286A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7026879A FR2098596A5 (enExample) 1970-07-21 1970-07-21

Publications (1)

Publication Number Publication Date
DE2134286A1 true DE2134286A1 (de) 1972-03-02

Family

ID=9058997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712134286 Pending DE2134286A1 (de) 1970-07-21 1971-07-09 Vorrichtung zur Über wachung bei der Geburtshilfe

Country Status (5)

Country Link
CH (1) CH531878A (enExample)
DE (1) DE2134286A1 (enExample)
FR (1) FR2098596A5 (enExample)
GB (1) GB1330365A (enExample)
NL (1) NL7109926A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256118A (en) * 1977-07-13 1981-03-17 Biotronik Mess-Und Therapiegerate Gmbh & Co. Apparatus for the detection and recording of uterine activity

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7758522B2 (en) * 2007-01-03 2010-07-20 General Electric Company Combined uterine activity and fetal heart rate monitoring device
US20090204017A1 (en) * 2008-02-12 2009-08-13 Pandit Ashit M Uterine activity monitoring using impedance plethysmography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256118A (en) * 1977-07-13 1981-03-17 Biotronik Mess-Und Therapiegerate Gmbh & Co. Apparatus for the detection and recording of uterine activity

Also Published As

Publication number Publication date
CH531878A (fr) 1972-12-31
GB1330365A (en) 1973-09-19
NL7109926A (enExample) 1972-01-25
FR2098596A5 (enExample) 1972-03-10

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