Dispensing – Collapsible wall-type container – With casing or support
Patent
1994-08-12
1996-06-25
Kaufman, Joseph A.
Dispensing
Collapsible wall-type container
With casing or support
22218906, 222212, 2223865, 604132, 604133, B65D 3556
Patent
active
055292143
ABSTRACT:
An infusion pump has an outer housing within which is disposed a support mandrel with a bladder secured thereon. The mandrel has a substantially uniform circular cross-section with a central channel extending from an input end to an outlet end that has an enlarged mandrel flange or collar. An infusion tube is inserted through the inlet end, through the central channel and out through the outlet end of the mandrel. A seating tube bonded at a distal end of the infusion tube becomes seated in a tapered seating portion in the central channel. Thereafter the elastomeric bladder is secured on the mandrel. After both the infusion tube and the bladder have been secured to the mandrel, the inlet end of the mandrel is inserted through a bottom opening in the housing until the collar of the mandrel becomes seated in a circular collar projecting from a lower wall of the housing. A check valve is connected to the mandrel by a luer lock fitting through a top opening at the inlet end of the mandrel thereby securing the mandrel in the housing and closing the top and bottom openings. The end of the infusion tube that is extended out through the outlet end of the mandrel channel has a manually actuated tube clamp to regulate the flow of liquid from the bladder through the infusion tube and is connected to an air and particle eliminating filter. Another tube extending from the filter is connected to a flow control regulating device.
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Knauf Joy D.
Lasonde Gregory J.
Kaufman Joseph A.
Secure Medical Products, Inc.
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