Pneumatically-Powered Intraocular Lens Injection Device with Removable Cartridge
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Jul 13, 2007
filing date -
Jul 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device for injecting an intraocular lens into an eye includes a compartment for holding an intraocular lens, a plunger engaged with the compartment, a nozzle coupled to the compartment, and a pneumatic cylinder. The pneumatic cylinder has a chamber and a cylinder connected to a shaft. The shaft is connected to the plunger. The shaft has teeth located on its surface. A pawl engages the teeth to limit the movement of the shaft to a dispensing direction. Pneumatic pressure introduced into the chamber moves the piston, shaft, and plunger in the dispensing direction so as to push the intraocular lens through the nozzle
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