Indwelling catheter with stable enzyme coating
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United States of America Patent
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Jul 23, 1996
Issued Date -
N/A
app pub date -
Apr 25, 1995
filing date -
Apr 1, 1994
priority date (Note) -
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Abstract
An improved indwelling catheter adapted for long-term usage includes a stable enzyme coating to prevent occlusion of the catheter lumen. The enzyme coating includes a fibrinolytic and/or lipolytic enzyme incorporated in a catheter coating to resist or control proteolytic degradation, thereby maintaining the enzyme in an active state for dissolving clots and occlusions within the catheter lumen over an extended period of time.
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