EDWARDS LIFESCIENCES US S3 UR VALVE; AORTIC VALVE, PROSTHESIS, PERCUTANEOUSLY DELIVERED
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Model Number 9755RSL26A |
Device Problem
Material Deformation (2976)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 10/23/2023 |
Event Type
malfunction
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Event Description
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As reported by a field clinical specialist, a patient underwent a transfemoral tavr procedure with a 26mm sapien 3 ultra resilia valve in aortic position.During the procedure, a strut frame on the valve was found to be bent as the team exited the esheath.The patient had very tortuous anatomy, so the physician decided to remove everything and start with a new valve.The new valve was implanted successfully.Per follow-up with the fcs, there was no difficulty inserting the sheath into the patient.There was no loss of integrity or damage of the sheath.The implanter did have to push a little more than usual, but that was accounted for the sharp angle he was trying to push the delivery system with valve through the sheath.It is believed the root cause for the bent strut was due to pushing the delivery system through the sheath at a sharp angle.There was no patient injury and no additional edwards devices were damaged.The devices were discarded.
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Manufacturer Narrative
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Investigation is ongoing.H3 other text : discarded.
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Manufacturer Narrative
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The device was not returned to edwards lifesciences for evaluation.A review of edwards lifesciences risk management documentation was performed for this case.The reported event is an anticipated risk of the transcatheter heart valve procedure, additional assessment of this event is not required at this time.The complaint for "frame damage" was unable to be confirmed based on unavailability of device/relevant imagery.Available information suggests patient factors (tortuosity) and/or procedural factors (steep insertion angle, excessive manipulation/high push force) likely contributed to the event as it was reported, "the patient had very tortuous anatomy," and "it is believed the root cause for the bent strut was due to pushing the delivery system through the sheath at a sharp angle." tortuous patient anatomy can create sub-optimal angles that can lead to non-coaxial alignment between the delivery system with crimped valve and sheath inner lumen.A steep insertion angle can result in non-coaxial alignment between the delivery system and sheath.Non-coaxial advancement of the delivery system through the sheath may lead to resistance.Excessive device manipulation or high push force can lead to the valve struts interacting with the sheath shaft and result in the strut damage on the valve.Complaint histories for all reported events are reviewed against trending control limits monthly, and any excursions above the control limits are assessed and documented as part of this monthly review.As such, neither a product risk assessment, nor corrective or preventative actions are required at this time.
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