<qa>  What will be used to compare data collected from both arms?This research will utilize a multi-center, prospective, randomized controlled study. The study will be conducted in2 study sites in Europe. An assumed sample of 90 subjects will be enrolled to evaluate the time to haemostasis. The enrollment of subjects to receive treatment will be based upon specific inclusion and exclusion criteria. Subjects will be randomized on a 1:1 basis to receive either PerClot or usual care. Data collected from both arms will be compared. 