MAUDE Adverse Event Report: MICRO THERAPEUTICS, INC. DBA EV3 SOLITAIRE FR4; CATHETER, THROMBUS RETRIEVER

Model Number	SFR4-4-40-10
Medical Device Problem Code	Physical Resistance/Sticking (4012)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/22/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide 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.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Medtronic received a report that during delivery, when insertion of the solitaire x revascularization device (sfr4) into the microcatheter was attempted, resistance was felt near the proximal end of the catheter.Use was discontinued and the sfr4 was replaced with a new sfr of the same model, however, the same issue occurred.The procedure was continued after switching to a 3 mm diameter device from another company.  no patient symptoms or complications were associated with this event.The reported device and any accessory devices were prepared as indicated in the instructions for use (ifu).Ancillary devices included a trevo trak21 microcatheter.
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide 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.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Additional information received that the patient was undergoing a mechanical thrombectomy.The clot was located in the internal carotid artery-m1.Vessel tortuosity was moderate to severe.A continuous saline flush was administered and maintained as indicated in the ifu.

• Brand Name: SOLITAIRE FR4
• Common Device Name: 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: justin ellis ; 9775 toledo way; irvine, CA 92618 ; 7635265677
• MDR Report Key: 23526280
• Report Number: 2029214-2025-02377
• Device Sequence Number: 16002992
• Product Code: NRY
• UDI-Device Identifier: 00763000425678
• UDI-Public: (01)00763000425678(17)280302(10)D023198
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K183022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 12/08/2025

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 Model Number: SFR4-4-40-10
• Device Catalogue Number: SFR4-4-40-10
• Device Lot Number: D023198
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/22/2025
• Supplement Date Received by Manufacturer: 11/13/2025
• Initial Report FDA Received Date: 11/11/2025
• Supplement Report FDA Received Date: 12/08/2025
• Date Device Manufactured: 03/04/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown