Methods and apparatus for inhibiting infection of subcutaneously implanted devices
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United States of America Patent
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-
Oct 9, 2001
Issued Date -
N/A
app pub date -
Jun 15, 1999
filing date -
Jan 7, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Implantable ports and other devices are cleansed by the injection of a washing solution into a region in the device or in a tissue pocket surrounding the device. In a first embodiment, the washing solution is injected through an aperture in the device to flush internal regions of the device before infusing the tissue pocket and flushing outwardly through a tissue tract leading to the device. In other embodiments, the washing solution is injected directly to a target site on the exterior of the device. Implantable devices may include special, usually hardened, target regions for receiving the sharpened end of a needle used to inject the washing solution. Kits will include devices, syringes, access devices, and instructions for cleansing according to the methods of the present invention.
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