FDA Adverse Event Malfunction Summary report: N

CERENOVUS ENTERPRISE

MDR report key: 22897450 · Received August 26, 2025

Report

Report Number
3008114965-2025-00882
Event Type
Malfunction
Date Received
August 26, 2025
Date of Event
August 15, 2025
Report Date
October 8, 2025
Manufacturer
MEDOS INTERNATIONAL SARL
Product Code
NJE
UDI-DI
10886704075271
PMA / PMN Number
H60001
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CH
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

MANUFACTURER¿S REF. NO: (B)(4). THE PURPOSE OF THIS MDR SUBMISSION IS TO REPORT THAT THE PRODUCT ANALYSIS LAB RECEIVED THE COMPLAINT DEVICE ON 06-OCT-2025. A SUPPLEMENTAL 3500A REPORT WILL BE SUBMITTED ONCE THE PRODUCT INVESTIGATION HAS BEEN COMPLETED. UPDATED SECTIONS: B.4, D.9, 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.

Additional Manufacturer Narrative · 0

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: (B)(6). 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. LAKE REGION MEDICAL PERFORMED A REVIEW OF THE DEVICE HISTORY RECORDS RELATIVE TO THE MANUFACTURING, INSPECTION, AND PACKAGING OF THE LOT: 9061889. THE HISTORY RECORD INDICATES THIS PRODUCT WAS FINAL INSPECTION TESTED AT LAKE REGION MEDICAL AND WAS DETERMINED TO BE ACCEPTABLE. 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 JOHNSON & JOHNSON MEDTECH, OR ITS EMPLOYEES THAT THE REPORT CONSTITUTES AN ADMISSION THAT THE PRODUCT, JOHNSON & JOHNSON MEDTECH, 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 · 0

MANUFACTURER¿S REF. NO: (B)(4). THE PURPOSE OF THIS MDR SUBMISSION IS TO REPORT THE INVESTIGATIONAL FINDING OF THE RETURNED DEVICE. THE COMPLAINT PRODUCT WAS RETURNED AND RECEIVED FOR EVALUATION AND ANALYSIS. THE INVESTIGATION IS DOCUMENTED BELOW. INVESTIGATION SUMMARY: A NON-STERILE 4MM X 23MM ENTERPRISE 2 STENT WAS RECEIVED CONTAINED IN THE DECONTAMINATION POUCH. VISUAL INSPECTION WAS PERFORMED. AS DESCRIBED IN THE EVENT DESCRIPTION, THE STENT COMPONENT WAS DETACHED FROM THE DELIVERY SYSTEM. NO APPEARANCE OF DAMAGE WAS OBSERVED. MICROSCOPIC INSPECTION WAS PERFORMED ON THE STENT COMPONENT. IT WAS OBSERVED TO BE IN GOOD CONDITION; THERE WAS NO STRUCTURAL DAMAGE (I.E., NO BROKEN STRUTS, NO KINKS). IT WAS ALSO NOTED TO BE FULLY EXPANDED WITH BOTH ENDS COMPLETELY FLARED. THE DELIVERY WIRE UNDERWENT DIMENSIONAL ANALYSIS, AND MEASUREMENTS THAT CONTROL THE ATTACHMENT AND DELIVERY OF THE STENT WERE FOUND WITHIN SPECIFICATIONS. THEREFORE, DEVICE FAILURE IS NOT SUSPECTED TO BE A CONTRIBUTING FACTOR. THE REPORTED ISSUE DOCUMENTED IN THE COMPLAINT REGARDING THE STENT BEING DETACHED WAS CONFIRMED SINCE THE STENT WAS NOTED AS ALREADY SEPARATED FROM THE DELIVERY SYSTEM. BASED ON THE DETACHED CONDITION OF THE STENT, THE ISSUE REGARDING THE STENT BEING IMPEDED IN THE DISTAL END OF THE CONCOMITANT MICROCATHETER CANNOT BE EVALUATED THROUGH FUNCTIONAL TESTING. THE STENT MUST BE INSIDE THE INTRODUCER TUBE TO PERFORM THE FUNCTIONAL ANALYSIS. ADDITIONALLY, NONE OF THE RETURNED COMPONENTS PRESENT DAMAGES THAT SUGGEST THAT THEY WERE FORCIBLY ADVANCED. WITH THE LIMITED INFORMATION AVAILABLE, A CONCLUSIVE CAUSE CANNOT BE DETERMINED; HOWEVER, IT IS POSSIBLE THAT CLINICAL AND PROCEDURAL FACTORS, INCLUDING DEVICE MANIPULATION AND OPERATOR'S TECHNIQUE, MAY HAVE CONTRIBUTED TO THE REPORTED FAILURE. AT THIS TIME, THERE IS NO EVIDENCE TO SUPPORT THAT THE ISSUE REPORTED IN THE COMPLAINT IS A RESULT OF A DEFECT INHERENTLY RELATED TO THE DEVICE. LAKE REGION MEDICAL PERFORMED A REVIEW OF THE DEVICE HISTORY RECORDS RELATIVE TO THE MANUFACTURING, INSPECTION, AND PACKAGING OF THE LOT 9061889. THE HISTORY RECORD INDICATES THIS PRODUCT WAS FINAL INSPECTION TESTED AT LAKE REGION MEDICAL AND WAS DETERMINED TO BE ACCEPTABLE. AS PART OF JOHNSON & JOHNSON MEDTECH QUALITY PROCESS, ALL DEVICES ARE MANUFACTURED, INSPECTED, AND RELEASED TO APPROVED SPECIFICATIONS. IT SHOULD BE NOTED THAT PRODUCT FAILURE COULD BE CAUSED BY MULTIPLE FACTORS. THE INSTRUCTION FOR USE (IFU) DOES CONTAIN THE FOLLOWING RECOMMENDATIONS: DO NOT PARTIALLY DEPLOY THE STENT FROM THE INTRODUCER. DO NOT APPLY UNDUE FORCE IF RESISTANCE IS ENCOUNTERED AT ANY POINT DURING STENT MANIPULATION. WITHDRAW THE UNIT AND ADVANCE A NEW ONE. CONFIRM THE TIP OF THE DELIVERY WIRE IS ENTIRELY WITHIN THE INTRODUCER. BASED ON THE MANUFACTURING DOCUMENTATION REVIEW, THERE IS NO INDICATION THAT THE EVENT IS RELATED TO THE DEVICE MANUFACTURING PROCESS. 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.

Description of Event or Problem · 0

THE HEALTHCARE PROFESSIONAL REPORTED THAT DURING A STENT-ASSISTED ENDOVASCULAR EMBOLIZATION PROCEDURE TARGETING AN ANEURYSM ON THE C6 SEGMENT OF THE INTERNAL CAROTID ARTERY (ICA), THE 4MM X 23MM ENTERPRISE 2 STENT (ENCR402312 / 9061889) WAS IMPEDED IN THE DISTAL END OF THE CONCOMITANT 150CM X 5CM PROWLER SELECT PLUS MICROCATHETER (606S255X / LOT#: UNKNOWN) AND COULD NOT PASS THROUGH THE MICROCATHETER. THE PHYSICIAN REMOVED BOTH STENT AND MICROCATHETER FROM THAT PATIENT AND REPLACED BOTH DEVICES TO COMPLETE THE PROCEDURE. THERE WAS NO REPORT OF ANY NEGATIVE IMPACT ON THE PATIENT. ON 19-AUG-2025, ADDITIONAL INFORMATION WAS RECEIVED. THE INFORMATION CONFIRMED THAT THE PROCEDURE WAS A STENT-ASSISTED ENDOVASCULAR EMBOLIZATION OF AN ANEURYSM ON THE C6 SEGMENT OF THE INTERNAL CAROTID ARTERY. AN ADEQUATE CONTINUOUS FLUSH WAS MAINTAINED THROUGH THE MICROCATHETER. THERE HAD BEEN NO RESISTANCE DURING THE ADVANCEMENT OF THE STENT. WHEN THE STENT WAS REMOVED, IT WAS NO LONGER STILL ON THE DELIVERY WIRE. THERE WAS NO DAMAGE NOTED ON THE STENT / STENT DELIVERY SYSTEM. THE REPLACEMENT STENT WAS ANOTHER 4MM X 23MM ENTERPRISE 2 STENT (ENCR402312) AND THE REPLACEMENT MICROCATHETER WAS ANOTHER 150CM X 5CM PROWLER SELECT PLUS MICROCATHETER (606S255X). THE INFORMATION CONFIRMED THERE WAS NO NEGATIVE PATIENT IMPACT AND NO CLINICALLY SIGNIFICANT DELAY IN THE PROCEDURE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2609438 CERENOVUS ENTERPRISE INTRACRANIAL NEUROVASCULAR STENT NJE MEDOS INTERNATIONAL SARL 9061889 10886704075271

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown PROWLER SELECT PLUS 150/5CM.