BOSTON SCIENTIFIC CORPORATION WOLVERINE CORONARY CUTTING BALLOON MONORAIL; CATHETER, PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY (PTCA), CUTTING/SCORING
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Model Number 3851 |
Device Problems
Difficult to Remove (1528); Material Rupture (1546); Detachment of Device or Device Component (2907); Material Twisted/Bent (2981)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 04/26/2022 |
Event Type
malfunction
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Event Description
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It was reported that a balloon rupture and blade damage occurred.The 90% stenosed target lesion was located in the moderately tortuous and moderately calcified mid left anterior descending artery.A 10mmx3.25mm wolverine coronary cutting balloon was selected for use.During the procedure, it was noted that the balloon ruptured upon third inflation at 10 atmospheres within 20 seconds.As the device was being removed, mild resistance was noted when pulling it back to a non-boston scientific guide catheter.Once removed, it was noted that a part of the blade was crimped.Inspection of the device revealed the blades were complete and no fragment was left inside the patient.The procedure was completed with another of same device.No complications were reported and patient was good post procedure.
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Event Description
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It was reported that a balloon rupture and blade damage occurred.The 90% stenosed target lesion was located in the moderately tortuous and moderately calcified mid left anterior descending artery.A 10mmx3.25mm wolverine coronary cutting balloon was selected for use.During the procedure, it was noted that the balloon ruptured upon third inflation at 10 atmospheres within 20 seconds.As the device was being removed, mild resistance was noted when pulling it back to a non-boston scientific guide catheter.Once removed, it was noted that a part of the blade was crimped.Inspection of the device revealed the blades were complete and no fragment was left inside the patient.The procedure was completed with another of same device.No complications were reported and patient was good post procedure.
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Manufacturer Narrative
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H6 device codes: corrected the wolverine cb mr, ous 10mmx3.25mm was returned for analysis.A visual examination revealed the balloon was returned in a deflated state with media present inside the balloon material and that the balloon had been subjected to positive pressure.The returned device was attached to a boston scientific encore inflation unit and positive pressure was applied.The balloon was inflated to its rated burst pressure (rbp) and pressure was held for 30 seconds without issue; a vacuum was then applied.This inflation to rbp was repeated three times with no leaks or drop in pressure noted.Two blades were present and secured within their pads.Both pads were intact on the balloon surface.One blade and pad were returned detached from the balloon surface.This blade was completely intact within the pad.The pad and touch up were found to be completely intact.A visual and tactile examination identified no issues.No issues were noted with the tip of the device.A visual and microscopic examination found no issue with the marker bands.
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