Component for conveying gases
AssigneeFisher & Paykel Healthcare Limited
InventorsPeter Kenneth Graham, Enrico Alvarez Garcia, Shu Yi Chu
Life of this patent
Estimating the term…
Abstract
This invention provides for a component forming a part of a breathing tube, or forming the breathing tube, for example as a part of a breathing circuit for respiratory therapy. The component comprising a tubular body having a foamed wall. The foamed wall can be formed from extrusion of a single extrudate. The foamed wall is of a sufficient minimum optical transparency such that, in use, there is enabled the visual detection of a liquid (or condensate that may have formed) within the tubular body.
Claims22
A component forming a part of a breathing tube, or forming the breathing tube, comprising:
- a tubular body having a foamed wall formed from a single extrudate, and
- wherein the foamed wall is surface modified by altering the surface energy of the wall surface.
Dependencies are inferred from the claim text.