Integrated catheter for diverse in situ tissue therapy
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United States of America Patent
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Aug 9, 1994
Issued Date -
N/A
app pub date -
May 14, 1993
filing date -
Mar 29, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An integrated catheter assembly for enabling diverse in situ therapies includes a catheter with an irrigation fluid lumen, a distal tip portion that acts as a hemostat and a needle for injection therapy that extends through the catheter lumen and a lumen in the distal tip portion. A needle hub structure carries the catheter and provides a sealing entrance for a needle that can be displaced between extended and retracted positions. The needle and electrodes are electrically isolated. The apparatus provides a physician the options of irrigating tissue, cauterizing tissue or injecting tissue without the need for removing the apparatus from the working channel of an endoscope.
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