BOSTON SCIENTIFIC CORPORATION WOLVERINE CORONARY CUTTING BALLOON MONORAIL; CATHETER, PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY (PTCA), CUTTING/SCORING
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Model Number 3852 |
Device Problems
Difficult to Remove (1528); Detachment of Device or Device Component (2907)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 06/08/2022 |
Event Type
malfunction
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Manufacturer Narrative
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Initial reporter address 1: (b)(6).
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Event Description
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It was reported that the balloon was detached from the shaft.A 15mmx3.00mm wolverine coronary cutting balloon was selected for post-dilation following stent placement.A slight resistance was noted when attempting to remove the device after inflation within the stent.A push and pull was performed, and the shaft was removed.However, the blade part of the balloon was separated when removed and the balloon remained in the patient's body.The shaft was not detached, but the balloon was torn off from the shaft and fell out.The physician used a guidewire to entangle the balloon portion and the device was recovered with no broken pieces remaining in the patient's body.The procedure was completed with another of the same device.There were no complications and adverse effect reported.
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Event Description
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It was reported that the balloon was detached from the shaft.A 15mmx3.00mm wolverine coronary cutting balloon was selected for post-dilation following stent placement.A slight resistance was noted when attempting to remove the device after inflation within the stent.A push and pull was performed, and the shaft was removed.However, the blade part of the balloon was separated when removed and the balloon remained in the patient's body.The shaft was not detached, but the balloon was torn off from the shaft and fell out.The physician used a guidewire to entangle the balloon portion and the device was recovered with no broken pieces remaining in the patient's body.The procedure was completed with another of the same device.There were no complications and adverse effect reported.
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Manufacturer Narrative
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E1.Initial reporter address (b)(6).Device evaluated by manufacturer: the wolverine cb mr, ous 15mm x 3.00mm catheter was returned for analysis.The device was returned with a portion of the outer lumen broken approximately 20mm proximal from the proximal marker band, the full balloon and the tip detached.The balloon portion containing the outer lumen was returned on a 0.014 inches guidewire.This was removed without issue.The returned detached balloon was found to have solidified blood inside the balloon material.This portion of the device was placed in the water bath to allow the blood to soften and to allow for the material to be analyzed.Once removed, a visual and microscopic examination was completed on the detached balloon and blades.Blade 1 had no issues noted.Blade 2 displayed a 1mm of the mid blade segment missing at the proximal break point and a blade lift noted on the distal blade segment at distal break point.Blade 3 displayed a 1mm of the distal blade segment missing at the distal break point.No holes or tears noted on the balloon portion of the detached material.The tip of the distal was returned intact with no damage on the detached portion of the device.A visual and tactile examination identified multiple hypotube kinks.
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