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 has not been returned for analysis, which precludes a full investigation.Our mammotome vacuum assisted biopsy probes contain extremely sharp edges along the aperture opening to effectively excise tissue.Removing the marker delivery system separately from the probe aperture 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: *remove the mammomark applicator and the mammotome biopsy probe together as a single unit from the site and obtain images to confirm marker placement.No additional information about the patient is known at this time.Based on the potential for a unintended piece of the device to be left 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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The sales rep reported that during deployment of a mammomark marker through 8g revolve, the clip was reported to have met severe resistance during attempt.When marker would not deploy doctor tried to remove the applicator out the back of the probe, which also resulted in resistance.She then backed the needle out of the breast and when trying to remove applicator tip/marker broke within needle.She proceeded to free hand deploy another marker at proper depth by using length of needle for reference.This time it worked and placement was accurate.Patient was reported to have bleeding more than normal.
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