Visualization trocar
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United States of America Patent
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Oct 8, 1996
Issued Date -
N/A
app pub date -
Jan 20, 1995
filing date -
Nov 12, 1992
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A trocar has an elongated shaft, and a puncturing head is attached to a distal end of the shaft. The puncturing head can have three blades with sharpened cutting edges. A pathway for light communication is established through three apertures in the puncturing head to a longitudinal bore within the shaft. An endoscope can be positioned in the bore to collect light from the distal end of the shaft. A video monitor is connected to the endoscope for displaying an image of the path of advancement of the trocar.
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