Patent ID: 11911563
Assignee: PLASTIFLEX GROUP
Field: Other special machines (Mechanical engineering)
Classification: CPC A  B | IPC A  B

Claim 0:
1. A limb for a breathing circuit comprising:
at least one flexible, helically wound conduit for a breathing circuit comprising:
an inlet,
an outlet, and
a tubular structure defining a flow passage between said inlet and said outlet,
wherein said tubular structure consists of a first helical web and a first helically wound rib,
wherein the first helically wound rib is heat-bonded to adjacent turns of said first helical web,
wherein said first helical web has a web thickness of less than 0.5 mm, and
wherein at least a region of said first helical web is made of a predetermined first polymer material or blend, such that the first helical web is permeable to water vapor and one or more of O2 and CO2, and
wherein the axial tensile strength of the tubular structure by itself is greater than 40N;

a first connector mounted at the first end of the at least one conduit; and
a second connector mounted at the second end of the at least one conduit,
wherein the first connector is provided for connecting to a first device of the breathing circuit and the second connector is provided for connecting to a second device of the breathing circuit.