Patent ID: 6792623
Filing Date: 2004-09-21
Classification: A61M,A62B

Abstract:
A helmet for artificial respiration without the aid of masks, comprising a containment body with at least one optically transparent portion, which can accommodate hermetically the head of a patient, said containment body having an air intake port that can be connected to a ventilation apparatus and an outlet port such that in normal operation of the helmet an air flow pressure is produced inside the helmet from air introduced into said intake port and air exiting from said outlet port, an antisuffocation valve being connected to said containment body, wherein said antisuffocation valve comprises a flat body that forms a plurality of through holes or slots that lead outside and are affected, inside said containment body, by a floating disk or membrane that is held in position by a cage or crosspiece and that acts against said flat body and closes and seals said through holes during said normal operation of the helmet, and furthermore said floating disk is suitable to disengage from said holes for a pressure value, inside said helmet, that is lower than a preset value.