Surface structure on patient interface

摘要

The present invention relates to the surface structure of a plastic material and particularly of silicone surfaces. More particularly, the present invention relates to the surface structure of the surfaces of a breathing mask assembly or a patient interface to be used for supplying breathing gas to a patient. Such patient interface for providing respiratory gas to a patient comprises a contact surface for contacting a patient's skin, wherein at least a part of said contact surface is a structured surface.