| Model Number |
LSMU0800758 |
| Medical Device Problem Codes |
Failure to Advance (2524); Device Dislodged or Dislocated (2923)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
01/05/2022
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Type of Reportable Event
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Malfunction
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Additional Manufacturer Narrative
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As the lot number for the device was provided, a review of the device history records is currently being performed.The return of the sample is pending.The investigation of the reported event is currently underway.(expiry date: 06/2024).
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Event or Problem Description
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It was reported that during an angioplasty procedure, the physician allegedly felt resistance when advancing the stent to the lesion site.It was further reported that the stent was found to be misaligned from the balloon and when the physician tried to pull the covered stent back inside the sheath, the device was unable to be removed and got stuck with the sheath.The device was further reported to have migrated outside the patient.The device was removed off the patient as one unit.The procedure was completed using another device.There was no reported patient injury.
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Event or Problem Description
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It was reported that during an angioplasty procedure, the physician allegedly felt resistance when advancing the stent to the lesion site.It was further reported that the stent was found to be misaligned from the balloon and when the physician tried to pull the covered stent back inside the sheath, the device was unable to be removed and got stuck with the sheath.The device was further reported to have migrated outside the patient.The device was removed off the patient as one unit.The procedure was completed using another device.There was no reported patient injury.
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Additional Manufacturer Narrative
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H10: manufacturing review: a complaint history review was performed.This is the first complaint reported for this product/lot number combination.However, the device history records were reviewed and there was nothing found to indicate there was a manufacturing related cause for these reports.Investigation summary: one 7f sheath was returned for evaluation.The lifestream catheter was not returned.A lifestream 58mm stent was retrieved from within the returned sheath at the hemostatis valve.There was no evidence of stent expansion, it was slightly flattened at its mid point.The result of the investigation is confirmed for the reported stent dislodgement issue and inconclusive for the failure to advance issue.The root cause for the stent dislodgement and failure to advance issues could not be determined based upon the available information.Labeling review: the instructions for use for the lifestream product was reviewed and contains the following information relevant to the reported event: warnings: attempts to retract the covered stent into the sheath/guiding catheter may result in dislodgement and embolization of the covered stent.Maintain guidewire placement across the lesion and withdraw the endovascular system only until the proximal end of the covered stent is aligned with the tip of the sheath/guiding catheter.Do not attempt to remove an unexpanded covered stent through the sheath/guiding catheter.Remove the sheath/guiding catheter and endovascular system as a single unit.Attempting to remove an unexpanded covered stent by pulling it back into the sheath/guiding catheter may result in stent dislodgement.The covered stent cannot be repositioned after it is deployed.Precautions: prior to device use, refer to the covered stent sizing table on the label and read the instructions for use.Crossing the implant with catheters or other adjunct devices can result in covered stent dislodgement or damage.This device has not been tested for use in overlapped conditions with stents or covered stents from other manufacturers.Directions for use: introduction of the endovascular system and placement of the covered stent 13.Advance the endovascular system over the guidewire into the introducer sheath.14.Further advance the endovascular system to the target treatment site within the introducer sheath and position the covered stent across the lesion.Verify that the covered stent is still centered within the balloon marker bands.Slowly retract the introducer sheath / guiding catheter while maintaining the position of the covered stent.Ensure the introducer sheath is retracted far enough to not compromise the balloon expansion and covered stent release.15.Slowly inflate the endovascular system balloon to nominal pressure, expanding the covered stent.Confirm complete expansion via fluoroscopic visualization.A 15 ¿ 30 second inflation time is recommended.Important: do not exceed the rated burst pressure of the delivery system.16.After covered stent deployment, apply negative pressure to the balloon until it is fully deflated.Withdraw the delivery system while maintaining negative pressure with the guidewire remaining across the lesion.17.Confirm optimal covered stent wall apposition using standard angiographic techniques.If the covered stent has not achieved full wall apposition, a post dilation with an appropriately sized balloon should be performed.5-8 mm devices may be post-dilated with balloons up to 10 mm in diameter.9-12 mm devices may be post-dilated with balloons up to 12 mm in diameter.H10: d4 (expiry date: 06/2024) h11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.
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Search Alerts/Recalls
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