Surgery – Liquid medicament atomizer or sprayer – Pre-pressurized container holding medicament
Reexamination Certificate
2007-06-26
2007-06-26
Douglas, Steven O. (Department: 3771)
Surgery
Liquid medicament atomizer or sprayer
Pre-pressurized container holding medicament
C222S402200, C222S402240, C239S350000
Reexamination Certificate
active
10655196
ABSTRACT:
The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that generally defines a longitudinal axis and includes a body portion having a metering surface, wherein the longitudinal axis and a plane tangential to at least a portion of the metering surface define an angle from about 2° to about 90°; and (b) a valve body having an internal chamber defined at least in part by the body wall and includes a metering portion configured to substantially conform to the metering surface of the valve stem.
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Greenleaf David J.
Hodson Peter D.
Klein Heinz G.
Mahon Gary D.
Purkins Graham R.
3M Innovative Properties Company
Douglas Steven O.
Ringsred Ted K.
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