Examination of the production records of the involved item indicated it was manufactured according to specification.The implant was not available to the company;thus, its physical examination was not possible.According to information provided to the company by the surgeon, in order to adjust screw tulip, lateral forces were allied on the screw while it was half way inserted into the pedicle.This resulted in screw breakage.
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During a surgery with the carboclear pedicle screw system, for the treatment of an oncological patient, a screw was inserted only half way into the l5 pedicle due to patient anatomy and the need to connect to s1 vertebra.When the surgeon tried to adjust the tulip, the screw broke.The screw was removed, and another screw was used.The surgery was successfully completed.
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