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Product complaint #: (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.H11: additional narrative: the product was returned to depuy synthes for evaluation.Visual analysis of the returned device revealed that humeral head trial had broken the internal tabs.The broken fragments were not returned for evaluation.The observed breakage of the device was consistent with a component failure that may have been caused by exposure to unintended forces during the assembling or disassembling process.Per inhance¿ shoulder system anatomic surgical technique (103832905 rev b) page 18, the humeral head trials are offered with a modular offset taper adapter trial.To assemble the two components, orient the offset taper adapter trial so that the taper and laser line are facing up.Align the laser mark on the offset taper adapter trial with the c and laser line on the underside of the humeral head trial so that the flexible nub on the offset taper adapter trial sits with the notch on the underside of the humeral head trial marked c.Then apply pressure to snap the two components together.Humeral head trial disassembly, page: 21: to remove the humeral head trial, assemble the head distractor to the impactor handle and place between the resection and the humeral head.To remove the offset taper adapter trial from the humeral head trial, rotate the offset taper adapter trial counterclockwise until the ramps unlock it from the head.From the e=eject position, additional counterclockwise rotation of the offset taper adapter trial will push it up the ramp and out of the humeral head trial.
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