Fig. 2From: Usability and effectiveness of inhaled methoxyflurane for prehospital analgesia - a prospective, observational studya New Penthrox® inhaler “selfie”. The new device will already include the active ingredient. 2b Penthrox® inhaler “selfie” – how to use. Pressing the button releases the active ingredient onto the gauze and the device is ready for administration after 5 sBack to article page