This is being filed to report thrombus.It was reported that this was a mitraclip procedure to treat functional mitral regurgitation (mr) with a grade of 3+.After the transseptal puncture and when the steerable guide catheter (sgc) was advanced through the septum a mass was noted to be floating right at the puncture point next to the sgc.The dilator was removed from the sgc and the mass was aspirated, while bridging medication (heparin) was administered.The mass was secured in a 50cl syringe and appeared to be connective tissue of approx.1 cm in length.The sgc then was prepared again completely and reinserted into the left atrium with the dilator.Then, the clip delivery system (cds) was advanced to the mitral valve and when checking the grippers individually, the gripper with tactile did not come down.Troubleshooting was performed, gripper levers were retracted and advanced multiple times but was unsuccessful.The cds was then removed and a new cds was used to complete the procedure successfully.One clip was implanted, reducing mr to 1.There was no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Based on available information, a cause for the reported tissue injury could not be determined.However, the reported patient effect of tissue injury is listed in the instruction for use (ifu) as a known possible complications associated with mitraclip procedures.The reported medical intervention was a result of case-specific circumstances.There is no indication of a product issue with respect to manufacture, design or labeling.
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