MAUDE Adverse Event Report: COOK IRELAND LTD ZILVER PTX 35 DRUG-ELUTING STENT; NIU STENT, SUPERFICIAL FEMORAL ARTERY, DRUG-ELUTING

Model Number G38489

Device Problem Fracture (1260)

Patient Problem No Code Available (3191)

Event Date 12/01/2017

Event Type  Injury  

Manufacturer Narrative

(b)(4).(b)(6).(b)(4).Pma/510(k) # p100022/s014.The investigation into this event is still being carried out.A follow up report will be submitted within the next 30 days with the investigation conclusions.

Event Description

The device was fully deployed.Post dilated with a chocolate balloon (medtronic) and upon deflation, the nitinol cage of the chocolate balloon entangled the stent without the user knowing and upon removing the balloon, the stent was fractured and dislodged 1cm in the common femoral artery.Elected to send patient to or to have the portion of the device removed.

Manufacturer Narrative

(b)(4).Exemption number: e2016031.Importer site contact and address: (b)(4).Importer site establishment registration number: (b)(4).Pma/510(k) # p100022/s014.¿the device was fully deployed.Post dilated with a chocolate balloon (medtronic) and upon deflation, the nitinol cage of the chocolate balloon entangled the stent without the user knowing and upon removing the balloon, the stent was fractured and dislodged 1cm in the common femoral artery.Elected to send patient to or to have the portion of the device removed.¿ the zisv6-35-125-7-100-ptx device of lot number c1412394 involved in this complaint was not available for evaluation.With the information provided, a document based investigation was conducted.The customer was contacted to request images of the procedure, and additional information.At the time of the investigation, the information or images are not available.The investigation will be updated once the information or images have been provided and evaluated.There is no evidence to suggest that this incident did not occur.Therefore, the complaint is confirmed based on customer testimony.The details of the complaint were presented to sustaining engineering for their review.The engineer determined that there was no evidence that the zilver ptx stent did not function as intended, and that the stent was likely fractured due to procedural method.It is possible that the balloon became entangled in the stent as the balloon was positioned or inflated.However, the device is not available for evaluation, the information has not yet been provided and the circumstances of use cannot be replicated in a laboratory environment.Therefore, a definitive root cause cannot be determined.There is no evidence to suggest that the customer did not follow the instructions for.A review of incoming qc records did not reveal any issues which could have contributed to this complaint issue.Prior to distribution all zilver ptx devices are subject to visual inspection and functional checks to ensure device integrity.A review of the relevant manufacturing records revealed no discrepancies that could have contributed to this complaint.Upon review of complaints, this failure mode has not occurred previously with this lot number.Based on the information available to date, there is no evidence to suggest that there are any manufacturing issues associated with this lot number.There is no evidence to suggest that this incident did not occur.Therefore, the complaint is confirmed based on customer testimony.According to the initial reporter, the patient required surgery to remove the broken stent portion.Complaints of this nature will continue to be monitored for potential emerging trends.

Event Description

This follow up report is being submitted to update the investigation findings.The device was fully deployed.Post dilated with a chocolate balloon (medtronic) and upon deflation, the nitinol cage of the chocolate balloon entangled the stent without the user knowing and upon removing the balloon, the stent was fractured and dislodged 1cm in the common femoral artery.Elected to send patient to or to have the portion of the device removed.

• Brand Name: ZILVER PTX 35 DRUG-ELUTING STENT
• Type of Device: NIU STENT, SUPERFICIAL FEMORAL ARTERY, DRUG-ELUTING
• Manufacturer (Section D): COOK IRELAND LTD; o halloran road; limerick
• Manufacturer Contact: michael galvin ; o halloran road; national technology park; limerick ; 061334440
• MDR Report Key: 7133866
• MDR Text Key: 95374252
• Report Number: 3001845648-2017-00615
• Device Sequence Number: 1
• Product Code: NIU
• UDI-Device Identifier: 10827002384894
• UDI-Public: (01)10827002384894(17)190816(10)C1412394
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P100022
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,health
• Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date: 12/20/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 12/20/2017
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Model Number: G38489
• Device Catalogue Number: ZISV6-35-125-7-100-PTX
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Distributor Facility Aware Date: 12/01/2017
• Event Location: Hospital
• Date Manufacturer Received: 12/20/2017
• Date Device Manufactured: 10/19/2017
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention