1973-01-01Zeitschriftenartikel DOI: 10.1515/jpme.19188.8.131.52
Equipment for the recording of tractive power in vacuum extractions
Description of an apparatur for the registration of traction forces on the head of the fetus during a vacuum extraction. With this appartus it is for the first time possible to register, even during routine vacuum extraction the time and the force of the traction simultaneously with the cardiotocogram.
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