Circumferential membrane, fluid coupled catheter
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United States of America Patent
Stats
-
Dec 8, 1987
Grant Date -
N/A
app pub date -
Jul 23, 1986
filing date -
Jul 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medical catheter comprising a tube having an internal lumen with an internal wall in which a rigid insert is fitted between lengths of the tube. The rigid insert is overlapped by the ends of the lengths of the tube and the lengths are spaced apart. The insert has an internal chamber with a port through its wall entering into the spacing between the two ends. A flexible membrane extends entirely around the periphery of the spacing and overlaps the ends of the lengths, thereby closing the spacing and retaining liquid within the spacing and the chamber. The chamber is closed as each end by a respective closure, one of which is flexibly responsive to internal pressure in the chamber.
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