(b)(4).
The device was not returned for analysis.
A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.
Additionally, a review of the complaint history identified no similar incidents from this lot.
It was reported that negative pressure was held for 5 seconds prior to retracting into the guide catheter.
It should be noted in the xience prime / xience prime small vessel (sv), and xience prime long length (ll), everolimus eluting coronary stent system (eecss), instructions for use (ifu-ppl2129324, revision a, section 5.
4) specifies: deflate the balloon by pulling negative on the inflation device.
Larger and longer balloons will take more time (up to 30 seconds) to deflate than smaller and shorter balloons.
Confirm balloon deflation under fluoroscopy and wait 10 ¿ 15 seconds longer.
The investigation was unable to determine a conclusive cause for the reported difficulties.
There is no indication of a product quality issue with respect to manufacture, design or labeling; therefore, no product-related corrective action will be implemented in this case.
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