Humidifier with structure to prevent backflow of liquid through humidifier inlet

Humidifier with structure to prevent backflow of liquid through humidifier inlet

  • CN 1,301,761 C
  • Filed: 02/14/2002
  • Issued: 02/28/2007
  • Est. Priority Date: 02/16/2001
  • Status: Active Grant
First Claim
Patent Images

1. device (10,30,120,170) that is used for the moistening breathing gas comprising:

  • At least one humidifier parts (12,18,36,38,40), it is configured for keeping certain quantity of fluid within it, and these humidifier parts define at least one chamber (14,16,74,76) within it;

    Inlet (22,32), the internal communication of itself and described at least one humidifier parts (12,18,36,38,40), and can be connected with the blower export of an aerator;

    AndOutlet (24,34), the internal communication of itself and described at least one humidifier parts (12,18,36,38,40), and can be connected with patient'"'"'s supply pipe;

    Wherein, described at least one chamber (14,16,74,76) be configured to;

    when described at least one humidifier parts (12,18, during 36,38,40) from the rotation of work straight orientation, can prevent to pass through described inlet (22 from the liquid of described liquid,

         32) flow out described at least one humidifier parts (12,18,36,38,40);

    It is characterized in that;

    described at least one humidifier parts (12,18,36,38,40) comprise a top cover (36), one base (40), an and separator (18 that is positioned between described top cover (36) and the described base (40),

         38), wherein, described base (40) defines a container (60) that forms within it, and described container (60) is at described device (10,30,120,170) place, work orientation maintains described liquid, and described base (40) to small part is made by Heat Conduction Material, described Heat Conduction Material is a crown cap (a

         174) form, and described crown cap (174) is configured to cover an opening (176) of described base (40).

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