Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Reexamination Certificate
2008-08-08
2011-11-15
Hook, James (Department: 3754)
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
C138S045000, C138S046000
Reexamination Certificate
active
08056582
ABSTRACT:
A series of compressible members disposed with a vessel lumen designed to produce a flow rate that increases with respect to an increasing flow material pressure with the rate of increase having a stepped behavior. The first compressible member is designed so as to partially restrict flow so as to allow for only moderate increases in flow rate with respect to flow material pressure. Subsequent compressible members are designed to allow for increases in flow rate greater than the moderate rate of increase when the flow material pressure is above a given flow material pressure.
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Grant Anderson LLP
Hook James
Tandem Diabetes Care, Inc.
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