Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1989-09-12
1992-01-28
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
137595, 13762591, 13762547, A61M 500
Patent
active
050840312
ABSTRACT:
A three-way double stopcock and associated tubing is disclosed with which to connect both a cardioplegia solution source and a pressure monitor for the solution selectively and alternatively to either an antegrade cardioplegia catheter or a retrograde cardioplegia catheter. The stopcock includes a hollow valve body with three solution infusion ports communicating to the interior thereof in a coplanar arrangement at a first longitudinal point on the valve body. Three cardioplegia pressure monitoring ports also communicate through the valve body to the interior thereof at a second longitudinal position distinct from the first. Mounted in the valve body is a cylindrical valve core selectively rotatable about the longitudinal axis thereof between a first position in which the cardioplegia solution source and the pressure monitor are coupled to the antegrade cannula and a second position in which the cardioplegia solution source and the pressure monitor are coupled to the retrograde catheter. Formed in the valve core are a set of valving passageways for communicating with selective of the infusion ports and a set of valving passageways for communicating with selective of the pressure monitoring ports.
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Kelly Michael N.
Smith Douglas L.
Todd Robert J.
Lewis Ralph A.
Pellegrino Stephen C.
Research Medical Inc.
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