Modified Tipless Kidney Stone Extractor for Foreign Body Removal

This video demonstrates the use of a tipless kidney stone extractor to remove a large, irregular intraocular foreign body (IOFB). The foreign body was a glass windshield fragment that was approximately 6 mm in size. The object’s size, irregular surface and low coefficient of friction made it unlikely that safe retrieval could be accomplished using traditional IOFB removal techniques. While kidney stone extractors have been used before, the surgeons modified the technique by threading the guidewire through an 18-gauge hollow-bore needle. This adjustment allowed for better intraocular control and enabled them to safely remove the object using a pars plana approach.

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