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Benjamin Friedman, M.D.

Arch Ophthal. 1941;26(6):1062-1063.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The oculist often finds that a punctum which he has dilated preparatory to irrigation of the lacrimal canal has contracted during the moment he turned his back to exchange the dilator for the irrigating syringe. I have attempted to construct an instrument which will act as a combination dilator and irrigation needle, so that only one step will be involved in the irrigation of the canal. The instrument is in effect a dilator with a central channel, the distal end opening at the tip and the proximal end into an adapter for a standard 2 cc. syringe. The opening is about 0.25 mm. wide, and the tip is about 0.4 mm. over all. The narrow aperture was attained by telescoping a series of fine metal tubes within one another and then smoothing over the joints so as to impart a uniform conical surface to the dilator portion. The instrument is . . . [Full Text PDF of this Article]

Author Affiliations
New York

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