Catheter device and system for continuous chemical analysis of body fluids in vivo
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United States of America Patent
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May 5, 1981
Grant Date -
N/A
app pub date -
Jul 28, 1978
filing date -
Jul 29, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for obtaining body fluids for continuous chemical analysis thereof includes a catheter for obtaining the material to be measured. The surface of the catheter is partially coated with a semi-permeable filter membrane. From the rear side of the filter membrane a plurality of channels are provided which communicate with a series of internal ducts which provide a fluid flow path for the material to be analyzed. The ducts are operatively coupled to a suction device pump and analyzing apparatus which are located remote from the catheter.
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