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Respiratory humidifier

  • US 10,105,511 B2
  • Filed: 09/27/2012
  • Issued: 10/23/2018
  • Est. Priority Date: 10/01/2011
  • Status: Active Grant
First Claim
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1. A respiratory humidifier for a ventilation system comprising:

  • an L-shaped housing including (a) a horizontal part that has a heating plate in fixed position thereon, (b) a vertical part, and (c) a projecting portion that extends from the free end of the vertical part toward the horizontal part and has a control unit, a user interface, and an underside spaced directly over the heating plate;

    a liquid container substantially in the shape of a “

    U”

    , the liquid container forming a recess configured to receive the projecting portion and having (a) a lower horizontal containment portion defined by a bottom plate for contact with the heating plate and a substantially horizontal upper surface spaced above the bottom plate in position immediately below the underside of the projecting portion and (b) two connector elements each adapted to establish a connection with a breathing tube, the liquid container and housing being configured such that the liquid container can be slid onto the housing to establish an operating state with the projecting portion above the lower horizontal containment portion of the liquid container; and

    at least one first spring-loaded fastener on the underside of the projecting portion, the liquid container having at least one second fastener on the upper surface of the lower horizontal containment portion for engagement with the at least one first spring-loaded fastener at a position spaced above the bottom plate and the heating plate, the first and second fasteners being configured and arranged such that, after sliding the container onto the housing, such engaged fasteners (1) bias the bottom plate down onto the fixed heating plate and (2) hold the container and housing in engagement.

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