(b)(4).
Device evaluated by mfr.
: returned product consisted of a quantum maverick balloon catheter.
The balloon was tightly folded.
There was contrast in the inflation lumen.
Device analysis determined the condition of the returned device was consistent with the complaint incident.
The outer shaft, inner shaft, balloon and tip were microscopically examined.
The hypotube shaft was completely separated 64 cm from the hub.
The fracture faces were oval as if kinked prior to separation.
There were numerous hypotube kinks.
Inspection of the remainder of the device presented no other damage or irregularities.
The manufacturing batch record review confirmed that the device met all material, assembly and performance specifications.
The most probable root cause is operational context as device performance was limited due to anatomical procedural factors.
(b)(4).
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Reportable based on device analysis completed on 18-nov-2016.
It was reported that shaft kinked occurred.
The target lesion was located in the coronary artery.
A 3.
00mm x 12mm quantum¿ maverick¿ balloon catheter was advanced however, it was noted that the shaft kinked during delivery.
The procedure was completed with another of the same device.
No complications were reported and patient's status was stable.
However, returned device analysis revealed hypotube break.
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