Patent ID: 8388578

Claim:
An apparatus for altering the temperature of medicinal fluids to be dispensed to a patient comprising: (a) a temperature altering chamber housing having a fluid inlet port and an internal chamber; (b) a fluid delivery member contained within said internal chamber of said temperature altering chamber housing, said fluid delivery member having an outlet and an inlet in communication with said fluid inlet port of said temperature altering chamber housing; (c) a chemical component contained within said internal chamber of said temperature altering chamber; (d) a container housing connected to said temperature altering chamber housing; (e) a collapsible container carried within said container housing, said collapsible container having an outlet in communication with said internal chamber of said temperature altering chamber housing; (f) a solution contained within said collapsible container; (g) an externally threaded pusher member connected to said container housing for movement between a first retracted position and a second advanced position, said pusher member having a pusher wall in engagement with said collapsible container; and (h) an internally threaded control member threadably connected to said externally threaded pusher member for rotational movement relative thereto to urge said pusher member from said first retracted position toward said second advanced position; (i) a collapsible container that includes a cylindrically shaped neck portion and in which said apparatus further comprises: (j) an elongated dispersing tube connected to and extending from said rear wall of said heating chamber, said dispersing tube being in communication with said collapsible container; (k) an annular shaped retainer member carried within said internally threaded container housing for receiving said cylindrically shaped neck portion of said collapsible container; (l) a seal plug housing disposed within said cylindrically shaped neck portion of said collapsible container, said seal plug housing having a reduced diameter portion and an enlarged diameter portion having a plurality of circumferentially spaced bypass flow channels in communication with said internal chamber; and (m) a seal plug carried within said reduced diameter portion of said seal plug housing for movement between a first retracted position and a second advanced position within said enlarged diameter portion.