Dispensing – Agitator followed by discharge assistant and/or... – One rotary and one reciprocating
Patent
1990-03-09
1991-12-10
Huppert, Michael S.
Dispensing
Agitator followed by discharge assistant and/or...
One rotary and one reciprocating
222260, 222390, 366196, 604218, 606 93, G01F 1100
Patent
active
050710400
ABSTRACT:
An apparatus for mixing and dispensing a surgical adhesive having at least two components has a barrel with a central longitudinal axis extending from a first to a second end thereof. The second end includes a nozzle with a discharge port. A rotatable screw conveyor shaft extends through the barrel position along the longitudinal axis. A dispensing element is mounted within the barrel and has a threaded bore for operative engagement with the screw shaft. The dispensing element has a keyway and may freely rotate at the first end of the barrel. A snap element is included to move the dispensing element into engagement with a key on the inner surface of the barrel which prevents the rotation of the dispensing element and causes the dispensing element to move from the first end of the barrel to the second end dispensing the adhesive.
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Akers Lawrence C.
Augustin Raymond W.
Huppert Michael S.
Huson Gregory L.
Pfizer Hospital Products Group Inc.
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