IMPLANT OF "VITALLIUM" TUBE IN TREATMENT OF STENOSIS OF THE LACRIMAL DUCT

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Abstract
In the last two decades, the operation of choice in treatment of stenosis of the lacrimal duct has been dacryocystorhinostomy, with the more or less modified technics of Toti and Dupuy-Dutemps. Though the results of these operations have been encouraging, there is still a high percentage of failures, due mostly to alteration of the nasal mucosa in atrophic rhinitis and ethmoiditis and to technical difficulties in the operation. A much simpler procedure is the insertion of a "vitallium" tube into the bony lacrimal duct through the lower part of the sac, as advocated by Muldoon.1 "Vitallium" is an alloy composed of cobalt, 65 per cent; chromium, 30 per cent, and molybdenum, 5 per cent. It is free from chemical and electrolytic activities in human serum and when buried in human tissue does not produce any of the inflammatory reactions of other metallic foreign bodies.2 It is used chiefly

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