The mammomark biopsy site identifier is sterile, single use device intended for use after an open surgical or percutaneous breast biopsy procedure to mark the biopsy site.The device is not available for analysis, which precludes a full investigation and analysis of the root cause.Our mammotome vacuum assisted biopsy probes contain extremely sharp edges along the aperture opening to effectively excise tissue.Activating the cutter once the spring is exposed creates the possibility of it catching on one of these edges.As a mitigation step to address this risk, we provide instructions within the instructions for use: caution: do not activate the probe cutter or other clinical functions while a marker is inserted in the probe.Follow up with the customer revealed that the patient has not had the tip removed.The doctor has been retrained on the proper procedure for device usage.Based on the patient consequence of unintended piece of the device in the biopsy site, and the likely additional surgical procedure to remove, and pursuant to 21 cfr 803, we are submitting this medwatch report.
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