Title: The vacuum extraction force vectors analysis
Abstract: The vaginal delivery operations, the vacuum and forceps, are commonly used in certain situations in delivery rooms. Every obstretician is facing challenges and controversies when deciding which type of assisted vaginal operational to choose. The aim of this work is to analyze vacuum force vectors by new measurement device. Physical models, metrical system and experimental research of the process of fetus head extraction by vacuum implementation were successfully conducted in collaboration with the Faculty of Mechanical Engineering in Kragujevac, Terotechnology Institute. We reached the conclusion that it is contradictory to try vacuum delivery if the head is not visible in the introitus of vagina. Achieving the correct cup placement should be result of proper indication as well as proper physician education. The vacuum force must be increased in one step to proper power level of 80 N (0,8 bar, 600 mmHg), traction should take maximum one minute. Failure of vacuum extraction is indication for Cesarean Section, not for forceps delivery, unless the failure occurs in the introitus. Avoiding complicated vacuum extraction and prolonged traction, timely cup detachment can prevent infant head, brain and soft tissue injuries.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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Cited By Count: 1
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