Krapf et al. Cannot intubate, cannot ventilate: Beatmung über einen 2-mm-Katheter in der Präklinik. Notfallpraxis 2016 8(39); 792-794 (article in German)

Dr Krapf demonstrated feasibility of using Ventrain in combination with needle cricothyrotomy in a pre-hospital CICV setting under reanimation conditions.