Combined syringe and electrosurgical electrode for sclerotherapy
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United States of America Patent
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-
Sep 25, 2001
Grant Date -
N/A
app pub date -
Sep 10, 1999
filing date -
Sep 10, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hypodermic needle syringe with means connected to the needle for selectively applying to the needle radio-frequency (RF) electrosurgical currents. For treating varicose veins, the hypodermic needle is inserted into the vein to be treated and the syringe plunger withdrawn to see whether blood is back drawn into the syringe barrel. If blood is detected, then the electrosurgical apparatus is activated and the resultant application of the RF electrosurgical currents quickly collapses the vein. An advantage is that the needle need not be withdrawn after the blood is detected, with the result that no problem arises of trying to locate a pin hole previously produced by a needle.
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