Improved plunger

Details Improved plunger Improved plunger

A - Human Necessities

61

F

A61F 2/16 (2006.01)

Patent

CA 2299462

An intraocular lens injector plunger having a blunt, rounded tip offset from the centerline of the plunger rod. The offset tip assures that the tip is biased downward against the bottom of the cartridge bore. Such a downward bias helps prevent the tip from riding up over the IOL and being folded within the IOL. The offset also helps prevent the haptics of the IOL from becoming trapped between the plunger rod and the cartridge bore, thereby damaging the haptics and/or preventing the IOL from being advanced down the bore.

Piston destiné à un injecteur de cristallin artificiel, qui comporte une pointe mousse arrondie décalée par rapport à l'axe central de la tige dudit piston. Le décalage de la pointe permet de la pousser vers le bas jusqu'au fond de l'orifice de la cartouche. Cette poussée vers le bas contribue à empêcher la pointe de glisser par-dessus le cristallin artificiel ou de se replier à l'intérieur de celui-ci. Le décalage contribue également à éviter que les haptiques du cristallin soient piégés entre la tige du piston et l'orifice de la cartouche, ce qui risquerait de les abîmer et/ou d'empêcher la descente du cristallin jusqu'à l'orifice.

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