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New Instruments |

New Lacrimal Cannula for Probing and Irrigation in the Tearing Patient

Michael A. Burnstine, MD
Arch Ophthalmol. 2007;125(3):419. doi:10.1001/archopht.125.3.419.
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Katena cannula K7-3016 (Katena Products, Inc, Denville, NJ) is a 23-gauge cannula that features an end-opening port for direct irrigation and a tapered tip for ease of entry into an undilated punctum. The 13-mm length makes it ideal to probe as well as irrigate the proximal lacrimal system. Katena cannula K7-3016 eliminates the need for punctal dilation and placement of Bowman probes to dilate the punctum and measure canalicular obstruction, respectively. The end-opening, direct irrigation design prevents misdiagnosis in the setting of canalicular stenosis.

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Katena cannula K7-3016 (Katena Products, Inc, Denville, NJ) is a 23-gauge cannula with an end-opening port and a tapered tip for direct irrigation and ease of entry into an undilated punctum, respectively.

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