Patent ID: 8887728
Filing Date: 2014-11-18
Classification: A61M

Abstract:
1. A respiratory assistance mask allowing to bring, in the lungs of a patient, respiratory gas from an external source, said mask comprising: a hollow body, the internal volume of which defines an internal chamber provided with a respiratory gas inlet adapted to be connected to said source; an opening forming the respiratory gas outlet and which is adapted to be connected to a respiratory tract of said patient; and a flexible bearing member bordering the contour of said opening and which is adapted to be interposed between the face of said patient and said hollow body, wherein it further comprises: a flexible membrane inserted on said bearing member and being able to be interposed between said bearing member and the face of said patient; and a multi-perforated internal skirt inserted, thru one of the two contours thereof, on said bearing member and surrounded, at least partially, by said flexible membrane, the free contour of said skirt extending in the direction of said internal chamber, so that respiratory gas is adapted to cross the perforations of said skirt, from said inlet, so as to stretch said membrane and apply it tightly against patient's face.