MAUDE Adverse Event Report: MEDOS INTERNATIONAL SARL GALAXY G3; NEUROVASCULAR EMBOLIZATION DEVICE

Catalog Number	GLX120408
Medical Device Problem Code	Stretched (1601)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/18/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The healthcare professional reported that during a stent-assisted endovascular embolization, the physician filled the aneurysm with a 4mm x 8cm galaxy g3 xsft (glx120408 / 2022547s) coil, and it was found that the coil had unraveled / stretched.The physician retracted only the coil and replaced it; the replacement coil was delivered with the same original concomitant 150cm x 5cm prowler select plus microcatheter (606s255x / lot# unknown).During the delivery of the 4mm x 16mm enterprise 2 vascular reconstruction device (encr401612 / 9784479), the stent was impeded at the proximal end of the microcatheter and could not be further advanced.The physician retracted only the stent and delivered it again, but the same issue was encountered.The physician removed the stent and the microcatheter from the patient and replaced both devices to complete the procedure.There was no report of any negative patient impact.
Additional Manufacturer Narrative
Manufacturer¿s ref.No: (b)(4).Information regarding patient identifier, date of birth, age, sex, gender, weight, race, and ethnicity were not provided.Section e.1: the initial reporter phone is not available / reported.Section h.3: the device is available to be returned for evaluation and testing.However, it has not been received to date.If the device returns, a device investigation will be performed.A review of manufacturing documentation associated with this lot (2022547s) presented no issues during the manufacturing or inspection processes related to the reported complaint.There were no internal actions related to device manufacture or inspection.This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by cerenovus, or its employees that the report constitutes an admission that the product, cerenovus, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.The manufacturer will submit a supplemental report if new facts arise which materially alter information submitted in a previous mdr report.Additional information will be submitted within 30 days of receipt.
Additional Manufacturer Narrative
Manufacturer¿s ref.No: (b)(4).The purpose of this mdr submission is to report that multiple attempts to obtain product for analysis were unsuccessful.If the product is returned or information provided at a later date, the file will be updated accordingly.Product analysis cannot be conducted as the product was not returned for analysis.No determination of causes and possible contributing factors could be made.As such, the investigation will be closed.A review of manufacturing documentation associated with this lot (2022547s) presented no issues during the manufacturing or inspection processes related to the reported complaint.There were no internal actions related to device manufacture or inspection.With the information available and without the complaint product available to be returned for analysis, the reported issue documented in the complaint cannot be confirmed through functional evaluation and analysis.Based on the manufacturing documentation review, there is no indication that the event is related to the device manufacturing process.Assignment of root cause for the event remains speculative and inconclusive, based on the limited information provided and without the return of the complaint sample; however, it is possible that clinical and procedural factors, including device manipulation / interaction may have contributed to the reported failure.As part of the post market surveillance program, information from this complaint is trended for statistical signals and corrective / preventive action may be triggered at a later time.Since there was no evidence to suggest the event was related to a manufacturing or design issue, no corrective actions will be taken at this time.Updated sections: b.4, g.3, g.6.H.2, h.3, h.6, and h.11.The manufacturer will submit a supplemental report if new facts arise which materially alter information submitted in a previous mdr report.Additional information will be submitted within 30 days of receipt.

• Brand Name: GALAXY G3
• Common Device Name: NEUROVASCULAR EMBOLIZATION DEVICE
• Manufacturer (Section D): MEDOS INTERNATIONAL SARL; chemin-blanc 38; le locle neuchatel CH-24 00; SZ CH-2400
• Manufacturer (Section G): CERENOVUS INC. (FREMONT); 47709 fremont blvd; fremont CA 94538
• Manufacturer Contact: henry boden ; 31 technology dr; irvine, CA 92618 ; 949788-2078
• MDR Report Key: 23979782
• Report Number: 3008114965-2026-00050
• Device Sequence Number: 19991036
• Product Code: KRD
• UDI-Device Identifier: 10886704077732
• UDI-Public: (01)10886704077732(17)280731(10)2022547S
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K150319
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• 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): 02/09/2026

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 Catalogue Number: GLX120408
• Device Lot Number: 2022547S
• 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: 12/18/2025
• Supplement Date Received by Manufacturer: 02/09/2026
• Initial Report FDA Received Date: 01/06/2026
• Supplement Report FDA Received Date: 02/09/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/24/2025
• 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