Method and apparatus for diagnostic and therapeutic agent delivery
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United States of America Patent
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Jul 27, 2010
Grant Date -
Jan 22, 2004
app pub date -
Jul 2, 2003
filing date -
May 25, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Method and apparatus for diagnostic and therapeutic agent delivery is provided by the present invention. In one embodiment a method for injecting an agent into the body of a patient is provided. This method includes: covering an injection structure having a piercing tip with a coating that contains a first agent; urging the piercing tip of the injection structure into a first target located in the body of the patient; and, maintaining the injection structure in the first target location for a predetermined amount of time. In so doing the agent may be conveniently and accurately delivered to the target site. In another embodiment of the present invention a drug delivery device is provided. This drug delivery device includes a catheter having a proximate end and a distal end and an injection structure coupled to the distal end of the catheter. In this embodiment the catheter is covered with a coating that contains an agent. This coating is adapted to release the agent into the body of a patient after the coating enters the body of the patient; again to conveniently and accurately deliver the agent to the target site.
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