MAUDE Adverse Event Report: MICRO THERAPEUTICS, INC. DBA EV3 UNKNOWN SOLITAIRE; CATHETER, THROMBUS RETRIEVER

Model Number UNK-NV-SOLITAIRE

Device Problems Adverse Event Without Identified Device or Use Problem (2993); No Apparent Adverse Event (3189)

Patient Problems Insufficient Information (4580); No Clinical Signs, Symptoms or Conditions (4582)

Event Date 04/13/2022

Event Type  Death  

Manufacturer Narrative

Continuation of d10: product id unk-nv-fg (unknown); product id unk-nv-solitaire (unknown); product id unk-nv-fg (unknown); g2: citation: authors: vega, p., murias, e., jimenez, j.M., chaviano, j., rodriguez, j., calleja, s., delgado, m., benavente, l., castañon, m., puig, j., cigarran, h., arias, f.,& chapot, r.First-line double stentriever thrombectomy for m1/tica occlusions.Clinical neuroradiology: official journal of the german, aus 32(4):971-977 2022.Doi:10.1007/s00062-022-01161-2 earliest date of publication used for date of event no unique device identifier (serial/lot) numbers were provided; without this information it could not be determined whether these observations have been previously reported.Without return of the product no definitive conclusion can be made regarding the clinical observations.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 Description

Vega p, murias e, jimenez jm, et al.First-line double stentriever thrombectomy for m1/tica occlusions: initial experiences.Clinical neuroradiology: official journal of the german, austrian, and swiss societies of neuroradiology.2022;32(4):971-977.Doi:10.1007/s 00062-022-01161-2 medtronic literature review found a report of patient complications in association with a solitaire stent retriever and phenom 21 mi crocatheter.The purpose of this article was to determine the safety and efficacy of first-line double stentriever thrombectomy for acute occlusion of the m1 segment of the middle cerebral artery and/or terminal internal carotid artery (tica).There were 39 patients included, 23 of which were female, and the median age was 79 years.Stentrievers used included solitaire x, trevo nxt or embotrap ii, though it is unclear how many of each device were used.Recanalization was successful (tici 2b/3) in all patients.The article does not state any technical issues during use of the solitaire or phenom.The following intra- or post-procedural outcomes were noted:  - nine patients died within 90 days of the procedure.

Event Description

Additional information was received that none of the adverse effects were related to medtronic devices.No complications were observed with medtronic devices and no patient was harmed or deceased because of the devices.

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.

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.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: UNKNOWN SOLITAIRE
• Type of Device: CATHETER, THROMBUS RETRIEVER
• Manufacturer (Section D): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer (Section G): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer Contact: glen belmer ; 9775 toledo way; irvine, CA 92618 ; 6122713209
• MDR Report Key: 17795603
• MDR Text Key: 324002403
• Report Number: 2029214-2023-01817
• Device Sequence Number: 1
• Product Code: NRY
• Combination Product (y/n): N
• Reporter Country Code: SP
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Literature,Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date: 02/06/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 09/21/2023
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Model Number: UNK-NV-SOLITAIRE
• Device Catalogue Number: UNK-NV-SOLITAIRE
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 02/06/2024
• 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): Death
• Patient Age: 79 YR
• Patient Sex: Female