Arthroscopic surgery system
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United States of America Patent
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-
Dec 10, 1991
Grant Date -
N/A
app pub date -
Mar 14, 1991
filing date -
Mar 14, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arthroscopic surgery system involves creating a passageway (18) in a predetermined location between the joint area (10) and the external surface (12) of the surrounding tissue (14) by inserting a pin (22), enlarging the passageway by passing a tubular rod (24) over the pin (22), and inserting a cannula (26) over the rod (24) to further enlarge the passageway (18) and to thereby allow insertion of surgical instruments (28) into the joint area. Use of this method avoids multiple punctures of tissue and joint capsule and reduces associated trauma and morbidity. Where the joint area is visualized through an arthroscope (20), the method permits precise triangulation at any angle to the arthroscope.
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