Catheter for use in the surgical correction of a nasolacrimal du

Details Catheter for use in the surgical correction of a nasolacrimal du Catheter for use in the surgical correction of a nasolacrimal du

1988-09-28

1990-05-01

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604280, 606191, A61M 2500

Patent

active

049214853

ABSTRACT:
A catheter for use in the surgical correction of a nasolacrimal duct obstruction comprising elongated tubular portion having an enlarged mushroom-shaped head portion at the upper end thereon. When the catheter is properly placed during the surgical procedure, the head portion of the catheter prevents longitudinal displacement thereof and prevents the "scarring over" of the nasolacrimal duct.

REFERENCES:
patent: 3726284 (1973-04-01), Parker
patent: 4490138 (1984-12-01), Lipsky et al.
patent: 4500313 (1985-02-01), Young
patent: 4680029 (1987-07-01), Ranford et al.

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