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doi: 10.1097/ICO.0000000000000121

Simple, Inexpensive, and Effective Injector for Descemet Membrane Endothelial Keratoplasty

Kim, Eun Chul MD, PhD*,†; Bonfadini, Gustavo MD*; Todd, Leisha RN, CNOR*; Zhu, Angela BSc*; Jun, Albert S. MD, PhD*

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Purpose: We describe an inexpensive, simple, and effective endothelium–Descemet membrane (EDM) graft injector assembled from regular operating room supplies in Descemet membrane endothelial keratoplasty (DMEK).

Methods: To assemble the injector, standard intravenous tubing was cut approximately 2 inches from the Luer lock end, leaving a steep bevel. The cut end of the tubing was firmly wedged bevel up and advanced into the back of an Alcon IOL B cartridge. The Luer lock end of the tubing was then attached to a 5- or 10-mL syringe filled with BSS Plus. The EDM graft was then placed into a Petri dish filled with BSS. After the graft was sucked into an injector with bevel-side up under the surgical microscope, the graft was then inserted into the anterior chamber with the injector through the main incision in the superotemporal quadrant.

Results: In seven eyes of seven patients with Fuchs endothelial corneal dystrophy treated with DMEK using our injector, clear attached grafts and improved visual acuity were achieved.

Conclusions: This simple, inexpensive, and effective injector is a safe and viable device to facilitate this part of DMEK surgery.

© 2014 by Lippincott Williams & Wilkins.


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