It was reported to aesculap ag that an acculan 3ti drill attachm.Large jacobs (part # gb638r) was used during a total knee arthroplasty (tka) navigation surgical procedure performed on (b)(6) 2021.According to the complainant, following the osteotomy of the proximal tibia, as the physician attempted to pin the distal femur osteotomy block, the device motor rotated for 1 to 2 seconds, and then stopped.The battery and attachment were replaced, but the issue recurred.The surgery was successfully completed using another type of device.The complaint device was returned to the manufacturer for evaluation.This event/malfunction prolonged the surgery for approximately ten (10) minutes.Although requested, additional information has not been made available.The malfunction is filed under aag reference (b)(4).Associated medwatch-reports: 9610612-2021-00156 ((b)(4) + ga672), 9610612-2021-00160 ((b)(4) + gb636r), and 9610612-2021-00168 ((b)(4) + ga675).
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