2017DIN EN ISO 5366:2017 Anaesthetic and respiratory equipment - Tracheostomy tubes and connectors (ISO 5366:2016); German version EN ISO 5366:2016
2009DIN EN ISO 5366-1:2009 Anaesthetic and respiratory equipment - Tracheostomy tubes - Part 1: Tubes and connectors for use in adults (ISO 5366-1:2000); English version of DIN EN ISO 5366-1:2009-07