It was reported that the prop to fix the rotation of the measured sizer (p/n: (b)(4)) was broken when the surgeon attempting to adjust the degree during the tka on (b)(6), 2019, and the spring was come off.The measured sizer was rotated and fixed by 2 person, and 2 pins were inserted for fixation.The surgery was completed, and it was unknown whether there was a surgical delay or not.It was confirmed there was no broken fragment in the patient's body.There was no adverse consequence to the patient.There was no problem when it was checked up the instrument before the surgery so there was a possibility of a fatigue failure may have occurred during sterilization.No further information is available.
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Depuy synthes is submitting this report pursuant to the provision of 21 cfr, part 803.The report may be based on the information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.H10 additional narrative: corrected: d10, h3 and h6 product complaint # :(b)(4).Investigation summary = > the complaint was confirmed.Due to the age of the product and the assumed number of uses (given the overall condition of the device), a manufacturing defect is not suspected however it is not possible to determine the root cause of this failure.No patient harm was reported.The product shall be retained for future reference device history lot = > null.Device history batch = > null.Device history review = > null.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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