H10: manufacturing review: the device history records have been reviewed and this lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.Investigation summary: one 14s crosser cto recanalization catheter returned for sample evaluation.During visual inspection the device appeared to be clean.No anomalies were noted to saline hub, or distal tip.However, slight twisting of the inner core wire was noted which caused the outer catheter to have slight twisting as well.Marker band is present and undamaged.Upon microscopic examination slight material separation was noted just below the distal tip.Functional testing was not performed due to the condition of the device.Therefore, the investigation is confirmed for the alleged material separation as the tip had a material separation under magnification.The investigation is also confirmed for the identified material twisting, as the slight twisting was noted on the outer catheter.However, the investigation is unconfirmed for the reported marker band detachment.A definitive root cause for the alleged, detachment of device or device component, material separation and identified material twisting could not be determined based upon the provided information.Labeling review: the review of the instructions for use, indications, warnings, precautions, cautions, possible complications, and contraindications showed that the product labeling is adequate.H10: the catalog number identified in section d4 has not been cleared in the us but is similar to the crosser cto recanalization catheters products that are cleared in the us.The pro code and 510k number for the crosser cto recanalization catheters products is identified in d2 and g4.H10: d4 (expiry date: 08/2022), g3 h11: h6 (result and conclusion) h11: section a through f ¿ the information provide by bd represents all the known information at this time.Despite good faith efforts to obtain additional information, the complainant/reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.H3 other text : see h10.
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