MAUDE Adverse Event Report: MICRO THERAPEUTICS, INC. DBA EV3 CONCERTO NYLON; DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION

Model Number	NV-2-8-HELIX
Medical Device Problem Codes	Break (1069); Physical Resistance/Sticking (4012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
Medtronic received information reporting that 2 concerto coils broke off during detachment.No other event information was reported.It was noted that the patient had no injury but not other patient information was reported.
Event or Problem Description
Additional information received reported that the first coil kinked in the catheter and looked wavy inside the catheter, and would not advance.The doctor withdrew the coil from the catheter, inspected it and it looked fine.They immersed it in saline, flushed the catheter with saline and tried to re-deploy it, but it got stuck again.They withdrew it from the catheter and tried another coil.This coil advanced fine, but the doctor did not like how it was positioned.They withdrew the coil into the catheter in order to reposition it, and it got stuck in the catheter and they could not deploy.They withdrew the coil from the patient and upon inspection the coil did not look damaged.Neither coil was implanted.The devices were prepared according to the instructions for use (ifu).No detachment attempts had been made, and there was no kink/damage observed to the pushwire.The patient was undergoing treatment for gastroduodenal artery (gda) embolization.The patient's vessel tortuosity was moderate.Ancillary devices include a progreat 2.4 microcatheter.
Additional Manufacturer Narrative
Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Additional Manufacturer Narrative
B5.Updated with additional information received.D9., h3.Device has been returned.Analysis remains pending.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
Additional information received reported the coils pushed out of the introducer sheath smoothly.The resistance occurred at the distal end of the catheter.
Additional Manufacturer Narrative
The concerto pusher was found broken proximal to the break indicator with the release wire also broken and extending out of the proximal end of the distal segment.The concerto pusher was found bent at ~85.4cm from the proximal end and found kinked between ~16.0cm and ~7.8cm from the distal end.The implant coil was found damaged, but unbroken.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.

• Brand Name: CONCERTO NYLON
• Common Device Name: DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION
• Manufacturer (Section D): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• MDR Report Key: 11949241
• Report Number: 2029214-2021-00684
• Device Sequence Number: 19097835
• Product Code: KRD
• UDI-Device Identifier: 00847536033504
• UDI-Public: 00847536033504
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K090046
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup
• Report Date (Section B): 09/03/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 10/09/2023
• Device Model Number: NV-2-8-HELIX
• Device Catalogue Number: NV-2-8-HELIX
• Device Lot Number: B099608
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/19/2021
• Initial Date Received by Manufacturer: 05/28/2021
• Supplement Date Received by Manufacturer: 06/22/2021; 07/26/2021; 08/19/2021
• Initial Report FDA Received Date: 06/07/2021
• Supplement Report FDA Received Date: 07/15/2021; 08/18/2021; 09/03/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 82 YR
• Patient Weight: 68