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  • Nasolacrimal Stents: An Introductory Guide - University of Iowa
    It is commonly used in traumatic canalicular laceration repairs where the patency of the nasolacrimal duct remains intact One end of the pigtail-shaped probe is designed for insertion through the upper canalicular system, while the opposite end is designed for insertion through the lower canalicular system
  • Atlas Entry - Canalicular Lacerations - University of Iowa
    Canalicular lacerations are commonly caused by trauma to the medial aspect of the upper or lower eyelids, which contain the superior and inferior lacrimal canaliculi
  • Repair of canalicular laceration with a pigtail probe
    Transcript This is Richard Allen at the University of Iowa This video demonstrates repair of a lower lid canalicular laceration using a pigtail probe The lower punctum is dilated with the punctal dilator The Bowman probe is then introduced and visualized medially, demonstrating the canalicular laceration The upper punctum is dilated A pigtail probe is then introduce into the upper punctum
  • Repair of lower lid canalicular laceration 2
    This video demonstrates repair of a lower lid canalicular laceration The patient had a previous attempt at the repair – the previously placed sutures on the skin are noted The cut end of the canaliculus is identified and dilated with a punctal dilator The same dilator is then used to dilate the punctum of the lower lid
  • Lacrimal system examination - University of Iowa
    Lacrimal system examination Richard C Allen, MD, PhD, FACS Additional Notes: Length 01:29 Evaluation of the lacrimal drainage system involves dilating the puncta first The lower puncta is dilated with the punctal dilator The dilator is placed vertical followed by horizontal The same is done for the upper punctum, again passing the dilator vertical followed by horizontal The patency of the
  • Repair of lower lid canalicular laceration 1 - University of Iowa
    Transcript This is Richard Allen at the University of Iowa This video demonstrates repair of a lower lid canalicular laceration The laceration is demonstrated here Any laceration medial to the punctum should be assumed to involve the canaliculus until proven otherwise A punctal dilator is used to dilate the punctum The area medial to the laceration is inspected where the cut end of the
  • Canalicular Cut Down for Punctal Stenosis - University of Iowa
    This video demonstrates a canalicular cut down for treatment of punctal canalicular obstruction The patient has a history of epiphora secondary to upper and lower punctal stenosis
  • Canalicular Laceration - Dog Bite - University of Iowa
    Additionally, it is significantly easier to repair the drainage system during the primary surgery than to re-operate at a later date after canalicular scarring has occurred The surgeon should be reminded that when facial lacerations are the result of a dog bite, decisions regarding rabies vaccination require information about the animal


















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