inforMED
MalfunctionHTZ

HP EM TIBIAL JIG ANKLE CLAMP

Received May 29, 2025 · Event occurred Jan 7, 2025

Report 1818910-2025-08674 · MDR key 22107058

Device

Generic name

Knee Instrument : Alignment Devices

Catalog number

950501229

Lot number

NT0409

Product problems

  • Material Deformation
  • Material Deformation

Patient

78 YR · Female

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

PRODUCT COMPLAINT # (B)(4). INVESTIGATION SUMMARY IT WAS REPORTED THAT BLUE SCREW WAS STRIPPED. WOULD NOT TIGHTEN DOWN. THERE WAS NO SURGICAL DELAY AND NO ADVERSE CONSEQUENCES. PRODUCT WAS BEING RETURNED. THE PRODUCT WAS RETURNED TO J&J MEDTECH ORTHOPAEDICS FOR EVALUATION. VISUAL INSPECTION OF THE RETURNED DEVICE FOUND THAT THE HP EM TIBIAL JIG ANKLE CLAMP THREADS OF THE BLUE SCREW ARE STRIPPED, ADDITIONALLY THE DEVICE SHOWS SIGNS OF WORN CONSISTENT WITH THE TIME OF SERVICE. THE OBSERVED CONDITION WAS IDENTIFIED AS AN END OF LIFE INDICATOR; DAMAGE CONSISTENT WITH REPEATED USE AND SERVICING. THE LIFECYCLE REQUIREMENTS OF THE DEVICE ARE EVENT RELATED AND DEPEND ON THE USE AND INSPECTION OF THE DEVICE IN CLINICAL PRACTICE. AS THE DEVICE CAN BE DAMAGED ON THE FIRST OR 100TH USE, THE DEVICE MUST BE PROPERLY INSPECTED PRIOR TO EACH SURGICAL USE. REFER TO THE DEVICE/COUNTRY SPECIFIC IFU FOR INFORMATION RELATED TO END OF LIFE, REPROCESSING INSTRUCTIONS, AND INSPECTION PROCEDURES. A FUNCTIONAL TEST WAS UNABLE TO BE PERFORMED DUE TO THE POST-MANUFACTURING DAMAGE. A DIMENSIONAL INSPECTION WAS NOT PERFORMED SINCE IT WAS NOT APPLICABLE TO THE COMPLAINT CONDITION. THE OVERALL COMPLAINT WAS CONFIRMED AS THE OBSERVED CONDITION OF THE HP EM TIBIAL JIG ANKLE CLAMP WOULD HAVE CONTRIBUTED TO THE COMPLAINED ISSUE. BASED ON THE INVESTIGATION FINDINGS, THE POTENTIAL CAUSE IS TRACED TO END OF LIFE, AND IT HAS BEEN DETERMINED THAT NO CORRECTIVE AND/OR PREVENTATIVE ACTION IS REQUIRED. THERE IS NO INDICATION THAT A DESIGN OR MANUFACTURING ISSUE HAS CAUSED THE REPORTED COMPLAINT CONDITION. AS PART OF J&J MEDTECH ORTHOPAEDICS QUALITY PROCESS, ALL DEVICES ARE MANUFACTURED, INSPECTED, AND RELEASED TO APPROVED SPECIFICATIONS. ADDITIONAL MONITORING FOR ANY POTENTIAL SAFETY SIGNALS WILL BE CONDUCTED THROUGH COMPLAINT TRENDING AND OTHER POST-MARKET SAFETY SURVEILLANCE ACTIVITIES. DEVICE HISTORY LOT A DEVICE HISTORY RECORD (DHR) REVIEW OR MANUFACTURING RECORDS EVALUATION (MRE) WAS NOT POSSIBLE BECAUSE THE DATE CODE NT0409 PROVIDED IS NOT A VALID FINISHED GOODS LOT NUMBER.

Additional Manufacturer Narrative

THE DEVICE MALFUNCTION, VISUAL: STRIPPED/TWISTED/CROSS THREADED, WILL NO LONGER BE REPORTED AS THERE HAS NOT BEEN A SERIOUS INJURY ASSOCIATED WITH THIS FAILURE WITHIN THE PAST 2 YEARS. PLEASE CONSIDER THIS THE LAST MANUFACTURER REPORT NUMBER SUBMITTED AGAINST THIS MALFUNCTION.

Additional Manufacturer Narrative

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 DEPUY SYNTHES, OR ITS EMPLOYEES THAT THE REPORT CONSTITUTES AN ADMISSION THAT THE PRODUCT, DEPUY SYNTHES, 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. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Description of Event or Problem

IT WAS REPORTED THAT BLUE SCREW WAS STRIPPED. IT WOULD NOT TIGHTEN DOWN. THERE WAS NO SURGICAL DELAY AND NO ADVERSE CONSEQUENCES. THE PRODUCT WAS BEING RETURNED.