The reported device was not returned for analysis.Therefore, the exact root cause of the event remains unknown.However, based on the reported information, it appears the device was used in an off label manner; the device was used in an off-label vessel and was operated within a previously placed stent.Ultimately, based on the information received, the cause of the reported event could not be conclusively determined.The device history record for the reported oad was unable to be reviewed, as the lot number was not provided.(b)(4).
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The diamondback peripheral orbital atherectomy device (oad) was used off-label to treat a coronary lesion.One treatment was performed at 60,000 rpm, and one treatment was performed at 90,000 rpm.The second treatment resulted in the oad coming into contact with a previously placed stent.A piece of the stent was removed when the oad was retracted.
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