Cannula assembly having conductive cannula
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United States of America Patent
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Apr 8, 1997
Issued Date -
N/A
app pub date -
Nov 10, 1994
filing date -
May 19, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A conductive cannula assembly is disclosed to dissipate possible, accumulated electrical charges through body tissue. The cannula assembly includes cannula housing means and cannula means formed of a material having an electrical conductivity value which is at least fifty percent the conductivity value of silver. The invention also includes cannula assembly accessories formed of a material having an electrical conductivity value which is at least fifty percent the conductivity value of silver. The invention further provides a method for guiding endoscopic instruments into body tissue utilizing the cannula assembly and the cannula assembly accessories of the present invention.
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