MAUDE Adverse Event Report: MEDOS INTERNATIONAL SARL PROWLER; CATHETER, CONTINUOUS FLUSH

Catalog Number	606051X
Medical Device Problem Code	Fluid/Blood Leak (1250)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/12/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The healthcare professional reported that during the procedure, the physician flushed the 10cm x 150cm dual markers prowler 10 (606051x / 31700155) with saline and observed that fluid escaped from the site near the microcatheter hub.The physician removed the microcatheter from the patient¿s body and replaced it to complete the procedure.There was no report of any negative impact on the patient.On 22-may-2026, additional information was received.Per the information, the procedure was targeting a middle cerebral artery arteriovenous malformation.The replacement device was another 10cm x 150cm dual markers prowler 10 (606051x).The information confirmed there was no negative impact on the patient and no delay in the procedure.
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.Based on complaint information, the device is not available to be returned for analysis.A review of manufacturing documentation associated with this lot (31700155) 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.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.With the limited information available and without the product available for analysis, the reported issue documented in the complaint could not be confirmed.Based on the manufacturing documentation review, there is no indication that the event is related to the device manufacturing process.The exact cause of the event could not be conclusively determined; however, it is possible that circumstances of the procedure and / or 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 later.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.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: PROWLER
• Common Device Name: CATHETER, CONTINUOUS FLUSH
• Manufacturer (Section D): MEDOS INTERNATIONAL SARL; chemin-blanc 38; le locle neuchatel CH-24 00; SZ CH-2400
• Manufacturer (Section G): CERENOVUS INC. (JUAREZ); circuito interior norte #1820; parque industrial salvarcar; juarez chihuahua 32574 ; MX 32574
• Manufacturer Contact: henry boden ; 31 technology dr; irvine, CA 92618 ; 949788-2078
• MDR Report Key: 25284663
• Report Number: 3008114965-2026-00704
• Device Sequence Number: 18586249
• Product Code: KRA
• UDI-Device Identifier: 10886704028550
• UDI-Public: (01)10886704028550(17)280531(10)31700155
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K972518
• 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): 05/26/2026

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: 606051X
• Device Lot Number: 31700155
• 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: 05/13/2026
• Initial Report FDA Received Date: 05/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 06/30/2025
• 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