Nonsurgical placement of a nasolacrimal polyurethane stent.

To describe the placement of a nasolacrimal polyurethane stent with a new introducer set and hook.The authors designed a soft polyurethane stent, an introducer that does not require balloon dilation, and a hook that can remove a ball-tipped guide wire from the inferior nasal meatus under fluoroscopic guidance. The stent was placed in 51 lacrimal systems in 44 outpatients who had complete obstruction of the lacrimal sac or nasolacrimal duct.Stent...