摘要:
A breathing bag including a distensible bag portion and an integrally formed neck portion thicker than the distensible bag portion and sufficiently thick to be connected directly to a male fitting; the distensible bag portion may be fluted.
摘要:
A breathing bag including integrally formed connector portion, distensible bag portion and an inverted truncated conical portion intermediate the connector portion and the distensible bag portion, the connector portion being sufficiently thick or rigid to be connected directly to a male fitting.
摘要:
A breathing bag including a distensible bag portion and an integrally formed neck portion thicker than the distensible bag portion and sufficiently thick to be connected directly to a male fitting; the distensible bag portion may be fluted.