Ergonomics in the rescue service—Ergonomic evaluation of ambulance cots

摘要: Abstract In a comparative ergonomic study, three combinations of stretchers with incorporated transporters from brand-name manufacturers—so-called “ambulance cots” or “roll-in systems”—were tested respect to their quality. addition work analyses during the use ambulance cots, strain on circulatory system 12 professionals was measured in four standardized carrying tests: stretcher staircase at normal speed and increased speed, lifting onto gurney, loading cot into, as well unloading it from, an ambulance. Static dynamic components muscle six groups were determined electromyographically. The tests consisted “normal” carrying, explicitly rapid dummy (78 kg) up down flight stairs using commercially available which weighed between 48.5 50 kg including mattress for patient. Model-specific influences cots aside, led substantially (work-related increases approximately 10 beats per minute (bpm)). “lifting gurney” “loading/unloading roll-in system” cause significantly less strain, but still lead substantial “physiological costs” 50 bpm. Increased strain. static electromyographic activity, sEA (%), values 50% more, show that even times only 30 s fatigue. Additionally, test subjects (Ss) subjectively assessed design elements gurneys via questionnaire 50 items had been developed specifically purpose. detailed subjective assessment offers differentiated view situation. evaluation suggests several concrete changes order improve cots’ weight, shape positioning handles, mechanism height adjustment gurney. Changes also recommended reduce extraordinarily high paramedics peripheral-physiological methods. It became clear one is widely used countries has marked weaknesses. Relevance industry results this study reveal necessity manufacture user-friendly safe existing market. Paramedics cannot risk equipment inadequate works deficient way. Furthermore, product additionally safety user-friendliness rescue operation. Due design, effort needed transport patient, which, same time, means lower physical paramedics’ backs hand–arm–shoulder systems.