Cannula having an electrode
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United States of America Patent
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-
May 8, 1990
Grant Date -
N/A
app pub date -
Sep 7, 1988
filing date -
Sep 7, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cannula has an electrode therein for detecting electrocardiographic signals. The electrode is located in the inner wall of the cannula and has anti-thrombus characteristics. The electrode comprises a composition of an anti-thrombus polyurethane powder and a carbon powder. This composition has electrically conductive and anti-thrombus characteristics. The electrode is located in a recess of the inner wall of the cannula. The electrode is connected to the outside through a wire conductor.
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