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There is a manufacturing defect affecting specific rotator lots. Within this population, the inner diameter of the devices O-ring may be oversized affecting seal integrity. An inadequate seal may lead to a leak during infusion of medication which may potentially lead to under infusion of medication.
The internal diameter of the coaxial cannula may be smaller or larger than the external diameter of the biopsy needle, and the length of the cannula may exceed the stated length on the label. As a result, the biopsy needle may not fit properly into the coaxial cannula, preventing access to the target tissue, which could lead to tissue injury, longer and repeat procedures.