MAUDE Adverse Event Report: MEDOS INTERNATIONAL SARL EU 4.5X22MM STENT 12 MM DW TIP; INTRACRANIAL NEUROVASCULAR STENT

Catalog Number ENC452212

Device Problems Premature Activation (1484); Failure to Advance (2524)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 04/09/2024

Event Type  malfunction  

Event Description

As reported by the field, during an endovascular embolization to an aneurysm at the left internal carotid artery, c6 segment, an eu 4.5x22mm stent 12 mm dw tip intracranial stent (enc452212, 8546183) became impeded at the distal end of a prowler select plus 150/5cm microcatheter (606s255x, 31209000) could not pass through the microcatheter (mc).The physician removed the stent and the microcatheter from the patient.It was found that the stent was released, and the stent body was separated prematurely from the delivery wire.The physician switched to new devices to complete the surgery.The surgery was prolonged about 20 minutes and the patient was in good condition now.Additional event information received on 18-apr-2024 indicated that there were no kinks in the mc.The 20 minutes procedural delay was not clinically significant.The aneurysm characteristics were 3.8mm×6.5mm, neck width: 3.8mm.

Manufacturer Narrative

Product complaint (b)(4) section e1.Initial reporter phone: (b)(6).The device was discarded; therefore, no further investigation can be performed.A device history record (dhr) was performed, and it indicated this product was final inspection tested at lake region medical and was determined to be acceptable.With the information available and without the product available for analysis, the reported customer complaints could not be confirmed.Based on the device history record review, there is no indication that the event is related to the device manufacturing process.The exact cause of the event could not be determined; however, there are circumstances of the procedure that may have contributed to the reported failure.The instructions for use (ifu) do contain the following recommendations: do not apply undue force if resistance is encountered at any point during stent manipulation.Withdraw the unit and advance to a new one.If resistance is felt while recapturing the stent, do not continue to recapture the device.Withdraw the infusion catheter slightly to unsheathe the stent (without exceeding the recapture limit), and then attempt to recapture the stent again.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 events were 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 (and/or part 4, as applicable).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.This is one of two products involved with the complaint and the associated manufacturer report numbers are 3008114965-2024-00428.

• Brand Name: EU 4.5X22MM STENT 12 MM DW TIP
• Type of Device: INTRACRANIAL NEUROVASCULAR STENT
• Manufacturer (Section D): MEDOS INTERNATIONAL SARL; chemin-blanc 38; le locle neuchatel CH-24 00; SZ CH-2400
• Manufacturer (Section G): CERENOVUS INC; 325 paramount dr; raynham MA 02767
• Manufacturer Contact: kate karberg ; 31 technology dr; irvine, CA 92618 ; 3035526892
• MDR Report Key: 19173270
• MDR Text Key: 341021479
• Report Number: 3008114965-2024-00427
• Device Sequence Number: 1
• Product Code: NJE
• Combination Product (y/n): N
• Reporter Country Code: CH
• PMA/PMN Number: H60001
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Health Professional
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date: 04/24/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 04/24/2024
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: ENC452212
• Device Lot Number: 8546183
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 04/09/2024
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 08/07/2023
• 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
• Treatment: PROWLER SELECT PLUS 150/5CM
• Patient Age: 59 YR
• Patient Sex: Male
• Patient Weight: 62 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: Asian