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US 2014/0236083 A1Published application
Medical tubing
AssigneeFisher & Paykel Healthcare Limited
InventorDavid John Sims
Life of this patent
Estimating the term…
Abstract
A medical tube has a tube wall, a first end and a second end. At least one heater wire is wrapped around the wall. Near or at one of the first end or the second end, there is at least one recess in an outer surface of the wall. The heater wire passes over the at least one tube recess such that the wire does not contact the wall in the area of the tube recess. Also disclosed are methods of making the tube and components used in making the tube.
Claims32
A medical tube comprising:
- a tube wall comprising a first end and a second end,
- a heater wire wrapped around said tube wall, and
- near or at one of said first end or said second end, a tube recess in an outer surface of said tube wall, wherein
- said heater wire passes over said tube recess such that said heater wire does not contact said tube wall in the area of said tube recess.
1 more element
A medical tube comprising:
- a tube wall comprising a first end and a second end,
- at least two runs of heater wire wrapped around said tube wall in a multiple helix arrangement, and
- an insulation displacement bridging element located near said first end and extending over a portion of a circumference of said medical tube, said insulation displacement bridging element engaging two or more of said at least two runs of heater wire to complete at least part of an electrical circuit.
(canceled)
32-58. (canceled)
Dependencies are inferred from the claim text.