Catheter for use in the surgical correction of a nasolacrimal duct obstruction
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United States of America Patent
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Nov 5, 1991
Issued Date -
N/A
app pub date -
Apr 18, 1990
filing date -
Sep 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter for use in the surgical correction of a nasolacrimal duct obstruction comprising an elongated shank portion having a enlarged portions at the upper and lower ends thereof. When the catheter is properly placed during the surgical procedure, the enlarged portions of the catheter prevent longitudinal displacement thereof and prevents the 'scarring over' of the nasolacrimal duct.
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