3009495988-2015-00001
Report
- Report Number
- 3009495988-2015-00001
- Event Type
- Malfunction
- Date Received
- August 6, 2015
- Date of Event
- July 6, 2015
- Report Date
- August 5, 2015
- Removal / Correction Number
- NA
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- IT
- Reporter Occupation
- NOT APPLICABLE
Narratives
AFFECTED ITEMS WERE RETURNED TO MANUFACTURER ((B)(4)) FOR EVALUATION. MANUFACTURE DETERMINED THAT FASTENERS SHEARED UNDER BENDING STRESSES GREATER THAN THE FATIGUE LOAD OF THE FASTENER CAUSING THE FOOT PLATE TO SEPARATE FROM THE ANKLE. SOME EVIDENCE OF DAMAGE WAS IDENTIFIED WHICH MAY BE INDICATIVE OF MISUSE OR DEVICE HANDLING ISSUE. FAILURE MODE OF FASTENERS WAS FROM BENDING FATIGUE, HOWEVER ROOT CAUSE ANALYSIS OF FAILURE MODE IS STILL UNDER INVESTIGATION AND AFFECTED ITEMS HAVE BEEN RETAINED. THIS DEVICE WAS REPAIRED AND RETURNED TO THE CUSTOMER. ADDITIONAL INFORMATION FOLLOW-UP WILL BE SUBMITTED WHEN THE FOLLOWING INFORMATION BECOMES AVAILABLE. (D2B) THIS DEVICE IS CURRENTLY REGISTERED UNDER PROCODE BXB AS INDICATED IN (D2B). THIS DEVICE IS CURRENTLY PENDING 510(K) APPROVAL UNDER PROCODE PHL. EVALUATION RESULTS AND CONCLUSION: AS ROOT CAUSE ANALYSIS IS STILL PENDING EVALUATION. REMEDIAL ACTION: ROOT CAUSE ANALYSIS IS STILL PENDING EVALUATION.
ROOT CAUSE WAS UNDER-TORQUED (PRELOAD) FASTENERS AND LOSS OF JOINT TENSION DUE TO THE DEGENERATIVE COMPRESSION OF THE CARBON FIBER FOOTPLATE. LOW RISK FAILURE DUE TO SAFEGUARDS IN PLACE ELIMINATING ANY REALISTIC POSSIBILITY OF PATIENT HARM. DESIGN IMPROVEMENTS WERE IDENTIFIED, WHICH FURTHER INCREASE THE DURABILITY OF THE DEVICE. IMPROVEMENTS TO BE IMPLEMENTED AT THE NEXT ROUTINE SERVICE PERIOD.
CUSTOMER REPORTED THAT DURING USE THE LEFT FOOT PLATE BECAME SEPARATED FROM THE REST OF THE ANKLE ON THE DEVICE. PATIENT WAS SAFELY REMOVED FROM THE DEVICE ANS SUSTAINED NO INJURY. NO PHYSICAL THERAPISTS, OR THIRD PERSONS HAVE BEEN AFFECTED OR INJURED.
THIS EVENT DID NOT LEAD TO AN INJURY AND THERE HAVE BEEN NO INJURIES REPORTED SINCE THE MDR WAS FILED.
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 26 YR |