A medtronic ventriculo-peritoneal (vp) shunt was implanted into a patient.Post-operatively it was radiographically recognized that the shunt had poor radio-opaque markings required to confirm its orientation after implantation and pressure settings.The lot number for this device is 0220812938 and the log number is 1507121721.In addition to this implanted device, another medtronic strata ii valve shunt which was not implanted was found to have poor radiographic markings as well.The lot number for this defective device is 0219000135; the model number is 42866; the tag id number is (b)(4).
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