• The standard glass tube used with a conjunctivodacryocystorhinostomy is subject to spontaneous displacement. Either internal displacement into the surgically created passageway or external displacement and loss are possible. We have modified the tube by adding a flange 4 to 6 mm from the tube's top. This anchors the tube and significantly reduces postoperative tube mobility. Many procedures that would otherwise fail can be salvaged by using this new tube.
Gladstone GJ, Putterman AM. A Modified Glass Tube for Conjunctivodacryocystorhinostomy. Arch Ophthalmol. 1985;103(8):1229–1230. doi:https://doi.org/10.1001/archopht.1985.01050080141036
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