1.First investigation: 1.1.Production process analysis: a review of the dhr demonstrated that the mid-c system was manufactured, tested, and released according to specification.1.2.User (surgeon and patient) information analysis from the x-ray image and description, the company deduces that the extender angle progressed over time and that this is the reason for the discomfort the patient felt.2.Risk assessment at the time of this report (oct 25, 2021), the company's incident rate of extender angle progression is (b)(4) this report is the first report done of such risk, the company will continue to monitor this type of event routinely.
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The company received notification of a planned revision surgery in (b)(6).The revision was performed on (b)(6) 2021 and the following information was received from the distributor: "the patient came to the consultation nine months after surgery, saying that she had discomfort and her back was on the opposite side to the initial one.The doctor discovered that apifix's body had come out too much.- at the revision surgery on (b)(6) 2021, the doctor collected apifix's body, and the patient is now well.".
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