Punctal occluder

Details Punctal occluder Punctal occluder

1997-08-12

1998-11-03

Lewis, Aaron J.

Surgery

Devices transferring fluids from within one area of body to...

604104, A61M 500

Patent

active

058301712

ABSTRACT:
A punctal occluder for blocking the flow of lacrimal fluid from the surface of an eye through a lacrimal punctum. The punctal occluder includes a shank having a distal end for insertion into the lacrimal punctum; and a distal flange attached to the distal end of the shank for insertion into the lacrimal punctum; the distal flange including a wing portion having a first position extending substantially along the shank for allowing easy insertion of the distal flange into the lacrimal punctum, and having a second position extending substantially outward from the shank for hindering unintentional removal of the distal flange from the lacrimal punctum.

REFERENCES:
patent: 3949750 (1976-04-01), Freeman
patent: 4660546 (1987-04-01), Herrick et al.
patent: 4915684 (1990-04-01), MacKeen et al.
patent: 4959048 (1990-09-01), Seder et al.
patent: 5049142 (1991-09-01), Herrick et al.
patent: 5053030 (1991-10-01), Herrick et al.
patent: 5163959 (1992-11-01), Herrick
patent: 5171270 (1992-12-01), Herrick
patent: 5334137 (1994-08-01), Freeman
patent: 5723005 (1998-03-01), Herrick

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