Urinary catheter and system
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United States of America Patent
Stats
-
Mar 22, 1994
Grant Date -
N/A
app pub date -
Mar 27, 1992
filing date -
Mar 27, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A urinary catheter and system includes a catheter with a drain lumen which is coated with oligodynamic metal and preferably arranged with a coating of a more noble metal for creating an iontophoretic galvanic couple, which drives antimicrobial ions into solution. The exterior of the catheter is also coated in a similar manner to inhibit microbes migrating toward the bladder along the outer surface of the catheter. The system includes a flow rate control device which may be a one-way valve, a filter or both. A collection bag is coupled to the control device. The interconnecting hoses, the flow rate control device(s) and the collection bag are also coated on the interior with oligodynamic metal, preferably silver, and also with a more noble metal, preferably platinum.
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