Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1988-03-22
1989-10-17
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
604119, 128 4, 2511491, A61M 100
Patent
active
048743640
ABSTRACT:
A gas pressure neutralizing device for use with a working channel of an inspection instrument. The device comprises means for providing a first gas pressure buffer, a second gas pressure buffer, a chamber formed therebetween and means for reducing the pressure in the chamber whereby gases are substantially prevented from exiting the instrument through a working inlet of the device at an elevated pressure or high velocity.
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D'Amelio Frank D.
Esposito Dominick G.
Filip Mihail
Morris David L.
Quint Robert H.
Circon Corporation
Daley Kathleen A.
Rosenbaum C. Fred
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