Thoracoscopic cannula system
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United States of America Patent
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-
Nov 11, 1997
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thoracoscopic cannula system includes a cannula having an enlarged limiter flange and an elongated hollow tube for insertion between the ribs of a thoracic patient; the tube includes first and second opposed concave recesses for snap-fitting and interlocking with the adjacent ribs to securely anchor it; and an introducer including an elongated member slidably received in the hollow tube with a stop flange at one end to limit movement of the introducer through the tube and a beveled, blunted surface at the other end for gently penetrating and leading the cannula through an incision between the ribs of the patient.
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