It was reported that the physician was attempting to treat a non- calcified and non-tortuous lm ostium lesion exhibiting 70% stenosis.The physician attempted to use a resolute onyx drug eluting stent.No damage was noted to the device packaging or issues noted when removing the device from the hoop/tray.The device was inspected with no issues noted.Negative prep was performed successfully.The lesion was not pre-dilated.During the procedure, the device did not pass through a previously deployed stent.No resistance was encountered during delivery or excessive force used.The inflation device remained on neutral pressure during delivery of the device.The stent was implanted in the target lesion at 20 atm.The physician used the balloon of the stent to post-dilate the stent and an nc balloon.It was reported that the stent moved centrally away from the lesion and around the guiding catheter in the aorta.The catheter, the guide wire and the inflated 5.0 nc euphora balloon were pulled back all together in an effort to move the stent into the brachial artery, where it was implanted.The stent had reached a certain point into the brachial where no more movement was possible and it was implanted at that point using the 5.0 nc euphora balloon.The target lesion was subsequently treated with a 4x12mm resolute onyx drug eluting stent.¿please note that this device (resolute onyx) is not marketed in the united states; however, it is similar to the united states marketed device (resolute integrity).This event is being reported only as a malfunction because of the similar device requirement in 803 which is limited to malfunctions.¿.
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