BOSTON SCIENTIFIC CORPORATION WOLVERINE CORONARY CUTTING BALLOON MONORAIL; CATHETER, PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY (PTCA), CUTTING/SCORING
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Model Number 3851 |
Device Problem
Material Rupture (1546)
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Patient Problems
No Consequences Or Impact To Patient (2199); No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 12/25/2020 |
Event Type
malfunction
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Manufacturer Narrative
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Initial reporter city: (b)(6).
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Event Description
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It was reported that a balloon rupture occurred.The 95% stenosed target lesion was located in the non tortuous and severely calcified in-stent restenosis (isr) in the left circumflex artery.During procedure, a 10mmx2.50mm wolverine coronary cutting balloon was selected for use.Before using this device, when the situation inside the isr was observed by oct, a protruding part of calcification was confirmed.Then, the front and back of the protruding part were expanded with the wolverine balloon.However, at third inflation, it was noted that the balloon ruptured at 12atm.The device was removed from the patient's body without any problem and the procedure was completed with a different device.No patient complications were reported and patient's condition was good post procedure.
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Manufacturer Narrative
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E1 - initial reporter city: (b)(6).Device evaluated by mfr: the device was returned for evaluation.A visual examination identified that the balloon was not folded which indicates that the balloon was subjected to positive pressure.Blood and solidified media were also present inside the balloon material.The returned device was attached to an encore inflation unit and positive pressure was applied in an attempt to inflate the balloon.The balloon could not be inflated due to the presence of solidified media.The device was soaked in a water bath at a temperature of 37 degrees celsius to help soften the media before further inflation attempts were made.The device was removed from the bath and the balloon was again attached to an inflation device, subjected to positive pressure and liquid was observed to be leaking from a balloon pinhole located at approximately 4mm proximal from the distal marker band.An examination of the balloon material and markerbands identified no issues which could potentially have contributed to this complaint.The rated burst pressure for this device is 12 atmospheres as per wolverine label specification.All blades were intact within their pads and fully bonded to the balloon material.A visual and tactile examination found no issues with the hypotube of this device.The markerbands and tip and of the device were visually and microscopically examined, and no issues were noted with the device that may have potentially contributed to the complaint incident.No other issues were identified during the product analysis.
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Event Description
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It was reported that a balloon rupture occurred.The 95% stenosed target lesion was located in the non tortuous and severely calcified in-stent restenosis (isr) in the left circumflex artery.During procedure, a 10mmx2.50mm wolverine coronary cutting balloon was selected for use.Before using this device, when the situation inside the isr was observed by oct, a protruding part of calcification was confirmed.Then, the front and back of the protruding part were expanded with the wolverine balloon.However, at third inflation, it was noted that the balloon ruptured at 12atm.The device was removed from the patient's body without any problem and the procedure was completed with a different device.No patient complications were reported and patient's condition was good post procedure.
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