FDA Adverse Event Malfunction Summary report: N

ERISMA-LP

MDR report key: 22546464 · Received July 18, 2025

Report

Report Number
3009962553-2025-00002
Event Type
Malfunction
Date Received
July 18, 2025
Date of Event
July 10, 2025
Report Date
July 18, 2025
Manufacturer
CLARIANCE SAS
Product Code
NKG
UDI-DI
03700780617951
PMA / PMN Number
K120469
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NY, US
Reporter Occupation
003

Narratives

Additional Manufacturer Narrative · 0

ON (B)(6) 2025 - THE POLYAXIAL SCREW DISASSEMBLED INTRAOPERATIVELY WHILE BEING MANEUVERED, RESULTING IN AN UNANTICIPATED INTERRUPTION OF THE SURGICAL PROCEDURE. WHILE THE DISASSEMBLY WAS IDENTIFIED BY THE SURGEON AND THE COMPONENT WAS REMOVED AND REPLACED, THIS EVENT REQUIRED ADDITIONAL SURGICAL INTERVENTION. ALTHOUGH THE PROCEDURE WAS COMPLETED WITHOUT IMMEDIATE HARM TO THE PATIENT, THE EVENT CONSTITUTES A MALFUNCTION OF A MEDICAL DEVICE THAT, IF IT WERE TO RECUR, COULD LEAD TO SERIOUS INJURY OR REQUIRE SURGICAL INTERVENTION TO PREVENT PERMANENT IMPAIRMENT OR DAMAGE TO A BODY STRUCTURE. THIS EVENT IS REPORTABLE AS A MALFUNCTION. EACH SCREW USED SURING THE SURGEREY WAS CATALOG/MODEL # 18156550. LOT NUMBERS WERE L115X (X2), AND I105X (X1). MANUFACTURE DATE OF LOT # I105X WAS 05/10/2019.

Additional Manufacturer Narrative · 0

07/18/2025 - THE POLYAXIAL SCREW DISASSEMBLED INTRAOPERATIVELY WHILE BEING MANEUVERED, RESULTING IN AN UNANTICIPATED INTERRUPTION OF THE SURGICAL PROCEDURE. WHILE THE DISASSEMBLY WAS IDENTIFIED BY THE SURGEON AND THE COMPONENT WAS REMOVED AND REPLACED, THIS EVENT REQUIRED ADDITIONAL SURGICAL INTERVENTION. ALTHOUGH THE PROCEDURE WAS COMPLETED WITHOUT IMMEDIATE HARM TO THE PATIENT, THE EVENT CONSTITUTES A MALFUNCTION OF A MEDICAL DEVICE THAT, IF IT WERE TO RECUR, COULD LEAD TO SERIOUS INJURY OR REQUIRE SURGICAL INTERVENTION TO PREVENT PERMANENT IMPAIRMENT OR DAMAGE TO A BODY STRUCTURE. THIS EVENT IS REPORTABLE AS A MALFUNCTION. EACH SCREW USED SURING THE SURGEREY WAS CATALOG/MODEL # 18156550. LOT NUMBERS WERE L115X (X2), AND I105X (X1). MANUFACTURE DATE OF LOT # I105X WAS 05/10/2019. 10/16/2025 - ANALYSIS REPORT CONCLUSION: THE DETAILED CONTEXT OF THE SURGERY WAS NOT AVAILABLE SO IT WAS NOT POSSIBLE TO DETERMINE IF THE SURGERY WAS PERFORMED ACCORDING TO THE SURGICAL TECHNIQUE. AN EXCESSIVE TORQUE APPLIED TO THE SCREWDRIVER MAY HAVE CONTRIBUTE TO SCREW DISASSEMBLY WITHOUT CERTAINTY ABOUT THE CONTEXT HOW IT COULD HAVE BEEN HAPPENED. THIS IS CONSIDERED AS AN ISOLATED CASE DUE TO THE RARE OCCURRENCE (7 CASES IN 5 YEARS) ACCORDING TO FIGURE 1 WITH NO IMPACT ON RISK ANALYSIS. CLARIANCE WILL CONTINUE TO MONITOR THIS TYPE OF EVENT AS PART OF ITS PMS ACTIVITIES AND TREND MONITORING.

Description of Event or Problem · 0

THE SURGEON WAS PERFORMING REVISION SURGERY USING THE ERISMA NAVIGATED SYSTEM. WHILE INSERTING A SCREW, THE TULIP HEAD DETACHED FROM THE SCREW. ANOTHER SCREW WAS USED AND INSERTED WITHOUT INCIDENT. ON THE 2ND TRACK OF SCREW REVISIONS, THE TULIP HEAD BECAME DETACHED FROM TWO FURTHER SCREWS. AT THAT POINT, THE SURGEON STOPPED USING THE ERISMA SYSTEM AND COMPLETED THE SURGERY WITH AN ALTERNATIVE SYSTEM.

Description of Event or Problem · 0

THE SURGEON WAS PERFORMING REVISION SURGERY USING THE ERISMA NAVIGATED SYSTEM. WHILE INSERTING A SCREW, THE TULIP HEAD DETACHED FROM THE SCREW. ANOTHER SCREW WAS USED AND INSERTED WITHOUT INCIDENT. ON THE 2ND TRACK OF SCREW REVISIONS, THE TULIP HEAD BECAME DETACHED FROM TWO FURTHER SCREWS. AT THAT POINT, THE SURGEON STOPPED USING THE ERISMA SYSTEM AND COMPLETED THE SURGERY WITH AN ALTERNATIVE SYSTEM.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1302962 ERISMA-LP 6.5MM X 50MM POLYAXIAL SCREW NKG CLARIANCE SAS 18156550 L115X 03700780617951

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown