Patent ID: 11918745
Assignee: FISHER & PAYKEL HEALTHCARE LIMITED
Field: Medical technology (Instruments)
Classification: CPC A  H  F | IPC A

Claim 0:
1. A breathing tube comprising:
a humidifier end segment of the breathing tube, wherein the humidifier end segment is a composite tube having a first elongate member comprising a hollow body spirally wound to form at least part of the breathing tube, and a second elongate member spirally wound and joined between adjacent turns of the first elongate member, the second elongate member forming at least a portion of a lumen of the breathing tube;
a patient interface end segment of the breathing tube;
an intermediate connector connecting the humidifier end segment to the patient interface end segment; and
a sheath overlaying the humidifier end segment, wherein the sheath is configured to maintain flexibility and dampen displacement during gas flow, wherein no sheath overlays the patient interface end segment.