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

1990-04-18

1991-11-05

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604280, 604191, A61M 2500

Patent

active

050628313

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.

REFERENCES:
patent: 3726284 (1973-04-01), Parker
patent: 3807409 (1974-04-01), Paparella et al.
patent: 3976081 (1976-08-01), Lapidot
patent: 4490138 (1984-12-01), Lipsky et al.
patent: 4500313 (1985-02-01), Young
patent: 4680029 (1987-07-01), Ranford et al.
patent: 4695275 (1987-09-01), Bruce et al.
patent: 4921485 (1990-05-01), Griffiths
patent: 4973301 (1990-11-01), Nissenkorn
Lacrimal Drainage Surgery by James A. Katowitz.

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