Braided hose for use in sleep apnea treatment systems that decouples force
Abstract:
A hose is described that includes a braided matrix with an interior lumen. The matrix also includes filaments that intersect each other and create a braid, and a longitudinal axis that runs along the lumen, wherein the filaments intersect the longitudinal axis at a braid angle. The braid angle can be varied by compressing or expanding the matrix along the direction of the longitudinal axis. A polymer coating is applied to the matrix such that the matrix is substantially impermeable to air. The hose has two states: (1) a relaxed state, where the hose does not experience a force in the direction of the longitudinal axis; and (2) a stressed state where the hose experiences a force in the direction of the longitudinal axis. The braid angle is larger in the relaxed state as compared to the stressed state. A method of manufacture for the hose is also disclosed.
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