Ophthalmic cannula insertion tool and method
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United States of America Patent
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Oct 20, 2009
Grant Date -
Apr 27, 2006
app pub date -
Oct 22, 2004
filing date -
Oct 22, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A cannula insertion tool having a needle movable between a retracted position and an extended position. In some embodiments, the needle can be retracted within the periphery of a handle of the insertion tool when not in use to protect the needle. When the needle is needed for surgical use, the needle can be extended at least partially beyond the outer periphery of the handle. The needle can be coupled to a slide movable relative to the handle between the retracted position and the extended position. The slide can be secured in each position to prevent unintentional movement of the slide. A cannula can be positioned on the needle when the needle is in the retracted position, and can be retained upon the needle by a member extending toward the cannula.
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