System for monitoring and controlling blood and tissue constituent levels
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United States of America Patent
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Nov 29, 1994
Issued Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Aug 11, 1989
priority date (Note) -
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Abstract
Systems are disclosed which utilize implanted chemo-sensitive living cells to monitor tissue or blood concentration levels of chemicals. The implanted cells produce a detectable electrical, optical or chemical signal in response to changes in concentration in surrounding medium. The signal is then detected and interpreted to give a reading indicative of blood concentration levels. Capsules containing chemo-sensitive cells and electrodes for detecting electrical activity are also disclosed. Methods of monitoring the concentration are also described utilizing the systems and capsules disclosed.
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