Patient infusion media warmer and method of use
First Claim
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1. A warming unit for warming a patient infusion medium comprising:
- an inlet tube;
an outlet tube;
a fluid conduit disposed between and in communication with the inlet tube and the outlet tube;
a heating element disposed proximate to the fluid conduit for warming the patient infusion medium, wherein a portion of the fluid conduit is defined by the heating element; and
an outer casing sealably enclosing the fluid conduit and housing the heating member, wherein a portion of the fluid conduit is defined by an inner surface of the outer casing;
a connector that connects the warming unit to a separate controller that is located externally to the outer casing of the warming unit.
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Accused Products
Abstract
A warming unit and method for warming an infusion medium prior to introducing the medium into a patient'"'"'s body. The apparatus includes an outer casing, inlet and outlet tubes secured to the outer casing, a fluid conduit for transporting the infusion medium through the warming unit, and a heating element disposed proximate to the fluid conduit for warming the infusion medium flowing therethrough. The warming unit can form part of a system, which further includes a controller for controlling various functions of and separate from the warming unit, a reservoir containing the infusion medium, and a power source for powering the warming unit.
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Citations
27 Claims
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1. A warming unit for warming a patient infusion medium comprising:
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an inlet tube; an outlet tube; a fluid conduit disposed between and in communication with the inlet tube and the outlet tube; a heating element disposed proximate to the fluid conduit for warming the patient infusion medium, wherein a portion of the fluid conduit is defined by the heating element; and an outer casing sealably enclosing the fluid conduit and housing the heating member, wherein a portion of the fluid conduit is defined by an inner surface of the outer casing; a connector that connects the warming unit to a separate controller that is located externally to the outer casing of the warming unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A warming unit for warming a patient infusion medium comprising:
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an inlet tube; an outlet tube;
a fluid conduit disposed between and in communication with the inlet tube and the outlet tube;a laminated heating assembly, the assembly including; a first insulating sheet; a second insulating sheet; a substrate disposed between the first and second insulating sheets; a heating element disposed on the substrate, wherein a portion of the fluid conduit is defined by the laminated heating assembly; a sensor disposed on the substrate; and a plurality of electrical circuit paths coupled to the heating element and the sensor; and an outer casing, wherein a portion of the fluid conduit is defined by an inner surface of the outer casing; wherein a controller for controlling operation of the warming unit is provided external to the outer casing. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A warming unit for warming a patient infusion medium comprising:
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inlet means for introducing the patient infusion medium to the warming unit; outlet means for outletting the patient infusion medium from the warming unit; fluid conduit means for directing the patient infusion medium through the warming unit; warming means for warming the patient infusion medium, wherein a portion of the fluid conduit means is defined by the warming means; sensor means for measuring a temperature of the patient infusion medium disposed in the fluid conduit means; and outer casing means for encasing the fluid conduit means and the warming means, wherein a portion of the fluid conduit means is defined by an inner surface of the outer casing means; wherein a control means for controlling operation of the warming unit is provided external to the outer casing means; and wherein the inlet means and the outlet means are permanently attached to the outer casing means. - View Dependent Claims (26)
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27. A warming unit for warming a patient infusion medium comprising:
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an inlet tube; an outlet tube; a fluid conduit disposed between and in communication with the inlet tube and the outlet tube; a heating element disposed proximate to the fluid conduit for warming the patient infusion medium; and an outer casing sealably enclosing the fluid conduit and housing the heating member; a connector that connects the warming unit to a separate controller that is located externally to the outer casing of the warming unit.
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Specification