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Updated: Jul 24, 2026

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
Published on: January 17, 2011
A new groove director for simplified nasolacrimal intubation
R L Anderson1, M T Yen, I P Hwang
1Oculoplastic Surgery Inc, 1002 E South Temple, Suite 308, Salt Lake City, UT 84102, USA. oculoplasticsurgery@worldnet.att.net
Abstract:
Silicone intubation is commonly performed to maintain patency of the lacrimal drainage system. We describe a new lacrimal groove director, designed to simplify retrieval of the metal Crawford probe with minimal trauma to the nasal mucosa. This instrument can also be used to infracture or medialize the inferior turbinate in both pediatric and adult populations during nasolacrimal duct intubation or external or endoscopic dacryocystorhinostomy.
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