Patent ID: 6357440
Filing Date: 2002-03-19
Classification: A61M

Abstract:
A pliable respiratory mask, comprising:a mask shell adapted to fit over a respiratory orifice on a portion of a face of a person, said mask shell being formed of a pliable gas permeable material selected from the group consisting of a woven fabric, a non-woven fabric, a non-woven paper, or a pliable foam material, said pliable gas permeable material defining a vent portion through which exhaled air may escape from the mask, said vent portion being the only form of vent; a hose connector extending through said pliable material of said mask shell and fastened to said pliable material; at least one attaching member for securing the mask shell over a portion of the person's face; and a gas impermeable coating extending over a portion of said mask shell, wherein portions of said pliable gas permeable shell material are left uncoated to define vent portions through which exhaled air may escape from said mask.