Method and assembly for measuring intracranial fluid characateristics
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United States of America Patent
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Mar 9, 1993
Issued Date -
N/A
app pub date -
May 5, 1992
filing date -
Oct 22, 1990
priority date (Note) -
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Abstract
A method and assembly is provided which allows measurement of intracranial fluid charateristics at the intracranial region of the brain. The invention contemplates a method of implanting a ventricular catheter having one end residing in the ventricular region and the other end exiting the cranial region at a distal location. A grooved needle allows placement of a transducer tipped catheter and rerouting of both the ventricular, in-dwelling catheter and the transducer tipped catheter placed within the in-dwelling catheter. Intracranial fluid characteristics are monitored by an electrically coupled distal monitor. Further, access to the intracranial fluid is also provided to allow either short-term or long-term withdrawal or injection of intracranial fluid.
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