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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 15 (1977), S. 462-466 
    ISSN: 1741-0444
    Keywords: Accelerometers ; Limbs ; Limb movements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Sommaire Ce rapport examine l'accélérométrie en tant qu'autre méthode, outre l'électromyographie ou le jugement subjectif, servant à évaluer l'incapacité des fonctions. L'appareillage décrit est un accéléromètre avec émetteur de télémesure f.m./f.m., couplé à un récepteur f.m., un conditionneur de signaux, un d''emodulateur de sous-porteuse, et un intégrateur double servant à produire des informations positionnelles à partir de l'accélération. L'article traite des possibilités et des limitations de l'accélérométrie, présente des enregistrements types, et décrit l'interprétation des enregistrements. Il termine en affirmant que la méthode devrait être poursuivie.
    Abstract: Zusammenfassung Dieser Beitrag behandelt die Verwendung der Beschleunigungsmessung als eine Alternative zur Elektromyographie oder der subjektiven Beurteilung bei der Bewertung von funktioneller Invalidität. Der beschriebene Apparat ist ein Beschleunigungsmesser mit FM/FM-Fernmeßsender, gekoppelt mit einem FM-Empfänger, Signalaufbereiter, Zwischenträger-Demodulator und Zwillingsintegrator zur Erzeugung der Positionsinformation aus der Beschleunigung. Die Möglichkeiten und Grenzen der Beschleunigungsmessung werden erörtert, typische Aufzeichnungen präsentier und eine Interpretation dieser Aufzeichnungen beschrieben. Es wird der Beschluß gefaßt, daß die Methode weiter verfolgt werden sollte.
    Notes: Abstract The paper discusses the use of accelerometry as an alternative to electromyography or subjective judgement in the assessment of functional disability. The apparatus described is an accelerometer with an f.m.-f.m. telemetry transmitter, coupled to an f.m. receiver, signal conditioner, subcarrier demodulator and twin integrator to generate positional information from acceleartion. The capabilities and limitations of accelerometry are discussed, typical recordings are presented, and interpretation of recordings is described. It is concluded that the method is well worth pursuing.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 17 (1979), S. 710-714 
    ISSN: 1741-0444
    Keywords: Defibrillator analyser ; Microprocessor application
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The cardiac defibrillator is the most commonly used instrument in hospital, ambulance and industry for resuscitation after electrocution or cardiac arrest. Defibrillation involves the application of a short pulse of electric current (4–10ms) through the chest of the patient; it has been demonstrated that the required energy is a function of the patient's weight. A knowledge of the performance of a defibrillator is essential; front panel meters, although calibrated in joules, read capacitor voltage only, and a loss of capacitance is not easily detected in use. We have had personal experience of this loss on several occasions. Commercial defibrillator testers employ analogue circuitry and are no more reliable in calibration than defibrillators themselves. This paper discusses the design of a microprocessor-based defibrillator analyser which has a performance far superior to existing testers. It gives an absolute digital readout of the energy delivered into a standard 50 Ω load, the peak defibrillating voltage, and the rise time of the defibrillator output wave. Facilities are also provided for storage of the defibrillator output waveform, so that the profile can be examined on an oscilloscope.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 6 (1968), S. 213-215 
    ISSN: 1741-0444
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 27 (1989), S. 425-428 
    ISSN: 1741-0444
    Keywords: Cardiac defibrillation ; Skin resistance ; Transthoracic resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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