Patent ID: 11918743
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A protective mask for delivering a gas to a user, comprising:
a main body comprising a peripheral boundary sized to enclose a nose and mouth of the user, said main body defining an exterior surface and an interior portion,
at least one attachment structure for facilitating attachment of said main body to a face of the user, wherein at least a portion of said at least one attachment structure comprises at least one hollow tube section, said at least one hollow tube section comprising at least one opening communicative with said interior portion of said main body,
wherein said at least one attachment structure defines a first loop extending from a first side of said main body and a second loop extending from a second side of said main body,
wherein said first loop comprises an upper portion and a lower portion both extending from said first side of said main body,
wherein said at least one hollow tube section comprises an exterior hollow tube section disposed on said lower portion of said first loop,
wherein said at least one hollow tube section further comprises an interior tube section extending at least partially across said interior portion of said main body, said interior tube section being communication with said exterior hollow tube section,
wherein said at least one opening is disposed along a length of said interior tube section,
wherein said interior tube section extends between a lower portion of said first loop to a lower portion of said second loop, and
at least one connector tube interconnecting said at least one hollow tube section of said at least one attachment structure to a gas source,
wherein the gas flows from said gas source, through said at least one connector tube and said at least one hollow tube section and out of said at least one opening into said interior portion of said main body.