The reported event of device deformity could not be confirmed.The investigation confirmed the device met visual and functional specifications when analyzed at abbott.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed and the product met all specifications.The cause of the reported incident could not be conclusively determined.Please note, per the instructions for use, artmt600034247 revision b "contraindications: treatment of patients with patent foramen ovale (pfo) defects.This device has not been studied in patients with pfo defects.".
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It was reported that on (b)(6) 2021, a 25 mm amplatzer cribriform occluder was selected for implant to close a patent foramen ovale (pfo).During procedure, the device was deployed, and the left disc of the device appeared concave in shape on angiogram and transesophageal echocardiogram (tee).Despite a new attempt of deploying the device, the shape was still concave.The decision was made to exchange the device with a new 25 mm amplatzer cribriform occluder with the same delivery sheath to resolve this event.There was no angulation or kink observed in the delivery system.The patient remained stable throughout the procedure.There was no clinically significant delay in procedure and no adverse patient effects.No additional information was provided.
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