Self-Sealing Cannula
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United States of America Patent
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N/A
Issued Date -
Jul 17, 2008
app pub date -
Jan 11, 2007
filing date -
Jan 11, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cannula having a tube and an enlarged rib or hub. The hub is attached to the proximal end of the tube so that the distal end of the tube may be inserted into an incision up to the hub. The hub acts as a stop to prevent the entire cannula from entering the incision. The distal end of the tube contains a biased flap that seals the distal end of the tube while still allowing surgical instruments to be inserted into the eye through the tube.
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