inforMED
MalfunctionMAY

E1 RINGLOC ACETABULAR LINER 40MM SIZE 26 +3 HI-WALL

Received Sep 29, 2016 · Event occurred Jun 28, 2016

Report 0001825034-2016-03869 · MDR key 5988497

Device

Generic name

Prosthesis, Hip

Manufacturer

Biomet Orthopedics

Model number

N/A

Catalog number

EP-108526

Lot number

856070

Product problems

  • Difficult to Insert
  • Difficult to Insert

Patient

Not reported

  • No Information
  • No Information

Narrative

Additional Manufacturer Narrative

CURRENT INFORMATION IS INSUFFICIENT TO PERMIT A CONCLUSION AS TO THE CAUSE OF THE EVENT. REVIEW OF DEVICE HISTORY RECORDS SHOW THAT LOT RELEASED WITH NO RECORDED ANOMALY OR DEVIATION.

Description of Event or Problem

IT WAS REPORTED THAT DURING AN INITIAL TOTAL HIP ARTHROPLASTY, THE LINER WOULD NOT SEAT. THE PROCEDURE WAS COMPLETED WITH ANOTHER LINER WITHOUT DELAY.

Additional Manufacturer Narrative

(B)(4). THE REPORTED EVENT IS CONFIRMED. THE VISUAL INSPECTION IDENTIFIED THAT THE LINER HAD SCRATCHES; MATERIAL WAS DEFORMED AROUND THE SCALLOPS AND THE RING GROOVE. THE DAMAGE ON THE PRODUCT IS LIKELY FROM ATTEMPT TO LOCK THE LINER INTO THE SHELL. DEVICE HISTORY RECORD (DHR) WAS REVIEWED AND NO DISCREPANCIES RELEVANT TO THE REPORTED EVENT WERE FOUND. DIMENSIONAL VERIFICATION OF THE LINER SHOWS ALL DIMENSIONS ARE CONFORMING TO PRINT TOLERANCES. A COMPATIBILITY CHECK WAS NOT PERFORMED. REVIEW OF THE COMPLAINT HISTORY DETERMINED THAT NO FURTHER ACTION IS REQUIRED. A DEFINITIVE ROOT CAUSE COULD NOT BE DETERMINED WITH INFORMATION PROVIDED. NO CORRECTIVE ACTIONS, PREVENTIVE ACTIONS, OR FIELD ACTIONS RESULTED AFTER INVESTIGATION OF THIS EVENT. IF ANY FURTHER INFORMATION IS FOUND WHICH WOULD CHANGE OR ALTER ANY CONCLUSIONS OR INFORMATION, A SUPPLEMENTAL WILL BE FILED ACCORDINGLY. ZIMMER BIOMET WILL CONTINUE TO MONITOR FOR TRENDS.

Description of Event or Problem

LINER WOULD NOT LOCK.

Additional Manufacturer Narrative

VISUALLY EXAMINATION OF THE LINER IDENTIFIED SCRATCHES AND MATERIAL DEFORMED AROUND THE SCALLOPS AND THE RING GROOVE. THE DAMAGE ON THE PRODUCT IS LIKELY FROM ATTEMPT TO LOCK THE LINER INTO THE SHELL. DIMENSIONAL VERIFICATION OF THE LINER SHOWS ALL DIMENSIONS ARE CONFORMING TO PRINT TOLERANCES. REVIEW OF THE DHR AND DEVICE DEVIATION HISTORY INCLUDED ON THE COMPLAINT DID NOT REVEAL ANY INDICATIONS THAT ANY OF THE PARTS MIGHT HAVE BEEN OUT OF TOLERANCE WHEN THEY LEFT ZIMMER BIOMET CONTROL. THE LINER DIMENSIONS SHOWED ACCEPTABLE TO PRINT SPECIFICATION. BASE ON THE INVESTIGATION RESULTS PRODUCT LEFT ZIMMER BIOMET CONTROL CONFORMING. ROOT CAUSE CANNOT BE DETERMINED.