Apparatus for intubation of lacrimal duct

Details Apparatus for intubation of lacrimal duct Apparatus for intubation of lacrimal duct

A - Human Necessities

61

F

A61F 9/00 (2006.01) A61F 9/007 (2006.01)

Patent

CA 2306744

An apparatus for intubation of the lacrimal duct comprising a thinner tube (or rod), a thicker tube(s) extending from one end or both ends of a thinner tube (or rod) and a probe which is inserted through a small cut applied to the thicker tube(s) wherein for the tube to be pushed into the lacrimal duct using a probe, the inner surface of the thicker tube(s) has a step(s), protuberance(s), groove(s) and septum (septa), and the shape of the inner space of the thicker tube is the frustum of a circular cone, and for the probe to be removed easily, lubricants such as olive oil, lipiodol ultrafluid, ointment and so on are applied to the surface of the probe and/or inner part of the thicker tube, and also the thinner tube (or rod) is longer than the canalicular length for the boundary portion(s) between the thinner tube (or rod) and thicker tube(s) to be positioned in the lacrimal sac - nasolacrimal duct to get better stability in the lacrimal duct.

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