Self-sealing cannula

Details Self-sealing cannula Self-sealing cannula

A - Human Necessities

61

F

A61F 9/007 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2597215

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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