| Model Number |
1804400-12 |
| Medical Device Problem Code |
Deflation Problem (1149)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
07/14/2022
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Type of Reportable Event
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Malfunction
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Additional Manufacturer Narrative
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The stent remains in patient.The device will not be returned for evaluation.Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.The two trek rx devices referenced are being filed under separate medwatch report numbers.
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Event or Problem Description
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It was reported that the procedure was to treat the mid right coronary artery (rca) and the distal rca.The patient had two unspecified xience skypoint stents implanted in (b)(6) 2022.A 2.5x15mm trek balloon dilatation catheter (bdc) was used to pre-dilate between the two stents.Slow deflation of the bdc was noted, but had no further issues and was removed successfully.Optical coherence tomography (oct) confirmed there was a gap between the two previously implanted stents and a 4.0x12mm xience skypoint stent was deployed successfully with slow deflation of the device noted; however, the stent delivery system was removed successfully.A 4.0x38mm xience skypoint stent was attempted to be implanted proximally from the previously implanted xience skypoint in (b)(6); however, failed to be implanted as interaction with the previously implanted stent was felt.The 3.5x20mm trek balloon dilatation catheter was advanced, then inflated twice to 12 and 10 atmospheres.The physician attempted three times to pull negative, but the bdc would not deflate.It was decided to remove the bdc with the entire system as one unit.During removal the shaft separated and became lodged in the elbow area.The separated portion was attempted to be removed via snare but was difficult.Therefore, an emboshield nav6 was advanced and used to capture the very distal portion of the balloon just enough to remove the balloon which remained inflated.There was no adverse patient sequela but clinically significant delay was noted.No additional information was provided.
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Additional Manufacturer Narrative
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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.The investigation was unable to determine a conclusive cause for the reported deflation issues; however, factors that may contribute to deflation issues include, but are not limited to, manufacturing damage, contrast mixing, bent/kinked shaft while inside the anatomy affecting the deflation lumen and/or stretched outer member (om) thereby reducing the deflation lumen.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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Event or Problem Description
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Subsequently, to the initial reports being filed it was noted that both 2.5x15 and the 3.5x20mm trek balloons had too much contrast; however, amount is unknown.It was confirmed by the account only one 4.0x28mm xience skypoint was implanted on 1/13/2022, and that the patient was experiencing angina, dyspnea and fatigue due to the thrombosis.No additional information was provided.
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Search Alerts/Recalls
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