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

Catalog Number	GLX120410
Medical Device Problem Code	Separation Failure (2547)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/16/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Manufacturer ref# (b)(4) information regarding patient weight, height, medical history, race, and ethnicity was not reported.Section d2b ¿ procode: krd/hcg (coils) section e1.Initial reporter phone: (b)(6).Since no device has been received for analysis, no product investigation can be performed and the reported failure could not be evaluated.A manufacturing record evaluation was performed for the finished device 30772783 number, and no non-conformances related to the malfunction were identified.With the information available and without the product available for analysis, the reported customer complaint could not be confirmed.Based on the manufacturing record evaluation, there is no indication that the event is related to the device manufacturing process.Failure to detach is a known potential complication, that could cause stretching, separation and/or premature detachment.There are clinical and procedural factors, including aneurysm/vessel characteristics (i.E., tortuous anatomy), device selection, device interaction, and operator technique, that may have contributed to the reported event rather than the design or manufacture of the device.The instructions for use (ifu) contains several precautions related to this issue and includes instructions for troubleshooting the situation should it be encountered during use.As part of the post market surveillance program, information from this complaint is trended to identify statistical signals for consideration of further correction action.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.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.
Event or Problem Description
A healthcare professional reported that during a coil embolization, a non j&j microcatheter was in place and a galaxy g3 xsft 4mm x 10cm coil (product code glx120410, lot number 30772783) was delivered to target site.The coil was filled in the aneurysm and tried to detach, but the coil was unable to detach.Doctor only retracted the coil alone and switched a second new non j&j coil to fill the aneurysm and detached the coil.When the doctor filled the aneurysm again with a third coil, a galaxy g3 xsft hel 2mm x 4cm (product code glx120204, lot number 30964875) and detached it, the third coil was unable to be detached.The doctor only retracted the third coil alone and switched to a fourth new coil (non j&j) to complete the surgery.The microcatheter was not replaced.Additional event information received on 26-dec-2025 indicated a pre-deployment electrical testing was not performed.The same dcb was used successfully with subsequent coils.The same cable was not used successfully with subsequent coils.The embolic coils were still attached to the coil delivery system when removed from the patient.The coils did not stretch or were damaged when removed from the patient.

• 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 ; 9497882078
• MDR Report Key: 23957462
• Report Number: 3008114965-2026-00016
• Device Sequence Number: 20236460
• Product Code: KRD
• UDI-Device Identifier: 10886704077718
• UDI-Public: (01)10886704077718(17)250331(10)30772783
• 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
• Report Date (Section B): 01/05/2026

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 Expiration Date: 03/31/2025
• Device Catalogue Number: GLX120410
• Device Lot Number: 30772783
• 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: 12/16/2025
• Initial Report FDA Received Date: 01/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/05/2022
• 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
• Concomitant Medical Products and Therapy/Usage Dates: CONNECTING CABLE
• Patient Sex: Unknown