FDA Adverse Event Injury Summary report: N

PROXIMAL HUMERUS, LEFT, 9X160MM

MDR report key: 17180937 · Received June 22, 2023

Report

Report Number
0009613350-2023-00248
Event Type
Injury
Date Received
June 22, 2023
Date of Event
May 25, 2023
Report Date
July 17, 2023
Manufacturer
ZIMMER SWITZERLAND MANUFACTURING GMBH
Product Code
HSB
UDI-DI
00889024505810
PMA / PMN Number
K181827 / K2
Removal / Correction Number
N/A
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

(B)(4). D10 ¿ ANN BLUNT TIP SCREW 40MM, ITEM# 47-2486-040-40, LOT# 3091515. ANN BLUNT TIP SCREW 42MM, ITEM# 47-2486-042-40, LOT# 3091527. ANN BLUNT TIP SCREW 42MM, ITEM# 47-2486-042-40, LOT# 3126120. TORQUE SCREWDRIVER, ITEM# 27923; LOT# UNKNOWN. G2- FOREIGN - JAPAN . MULTIPLE MDR REPORTS WERE FILED FOR THIS EVENT, PLEASE SEE ASSOCIATED REPORTS: 0009613350-2023-00249, 0009613350-2023-00327, 0009613350-2023-00328. THE DEVICE WILL NOT BE RETURNED FOR ANALYSIS; HOWEVER, AN INVESTIGATION OF THE REPORTED EVENT IS IN PROGRESS. ONCE THE INVESTIGATION IS COMPLETED, A SUPPLEMENTAL MEDWATCH 3500A WILL BE SUBMITTED.

Additional Manufacturer Narrative · 0

THIS FOLLOW-UP REPORT IS BEING SUBMITTED TO RELAY ADDITIONAL AND/OR CORRECTED INFORMATION. NO PRODUCT WAS RETURNED OR PICTURES PROVIDED; VISUAL AND DIMENSIONAL EVALUATIONS COULD NOT BE PERFORMED. A REVIEW OF THE DEVICE MANUFACTURING RECORDS CONFIRMED NO ABNORMALITIES OR DEVIATIONS. MEDICAL RECORDS WERE NOT PROVIDED. IT CAN BE ASSUMED THAT MULTIPLE CONTRIBUTING FACTORS, RELATED TO EITHER PATIENT CONDITION AND BEHAVIOR OR IMPLANTATION PROCEDURE, CONTRIBUTED TO THE MIGRATION OF THE SCREWS. IF AND TO WHAT EXTENT ANY OF THESE ASPECTS MAY HAVE INFLUENCED THE MIGRATION OF THE SCREW REMAINS UNKNOWN. AN ADDITIONAL DEEPER INVESTIGATION WAS PERFORMED WHICH IDENTIFIED THE DESIGN LIMITATION OF THE CORELOCK MECHANISM OF THE AFFIXUS NAIL AS A POTENTIAL CONTRIBUTING FACTOR. AS PART OF THE DEEPER INVESTIGATION, A SCIENTIFIC LITERATURE SEARCH WAS CONDUCTED AND A SYSTEMATIC REVIEW OF THE OUTCOME OF INTRAMEDULLARY NAILING FOR ACUTE PROXIMAL HUMERUS FRACTURE SHOWED THAT SCREW MIGRATION AND PERFORATION INTO THE JOINT IS THE SECOND MOST COMMON COMPLICATION FOLLOWING SECONDARY LOSS OF REDUCTION. IN ADDITION, SCIENTIFIC LITERATURE OF COMPETITOR AND PREDICATE DEVICES WERE ASSESSED. THIS REVIEW HAS SHOWN THAT THE AFFIXUS® NATURAL NAIL® PROXIMAL HUMERAL SYSTEM PERFORMS BETTER AND/OR IN EQUAL RANGE IN COMPARISON WITH LEGALLY MARKETED SIMILAR DEVICES. IN CONCLUSION, AS THE CAUSE MAY BE MULTIFACTORIAL AN EXACT ROOT CAUSE COULD NOT BE IDENTIFIED FOR THE MIGRATION OF THE SCREW. IF ANY FURTHER INFORMATION IS FOUND WHICH WOULD CHANGE OR ALTER ANY CONCLUSIONS OR INFORMATION, A SUPPLEMENTAL REPORT WILL BE FILED ACCORDINGLY. ZIMMER BIOMET WILL CONTINUE TO MONITOR FOR TRENDS.

Description of Event or Problem · 0

IT WAS REPORTED THAT PATIENT UNDERWENT A PROCEDURE AND AFTER APPROXIMATELY (6) WEEKS FROM THE INITIAL, THE SURGEON FOUND THAT THE PROXIMAL SCREW BACKED OUT FROM THE PROPER POSITION. PATIENT IS UNDER HEALTH PROFESSIONAL'S OBSERVATION. ATTEMPTS HAVE BEEN MADE AND NO FURTHER INFORMATION HAS BEEN PROVIDED.

Description of Event or Problem · 0

NO FURTHER EVENT INFORMATION AVAILABLE AT THE TIME OF THIS REPORT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
133984 PROXIMAL HUMERUS, LEFT, 9X160MM AFFIXUS NATURAL NAIL SYSTEM HUMERAL NAIL HSB ZIMMER SWITZERLAND MANUFACTURING GMBH N/A 3128319 00889024505810

Patients

Seq Age Sex Outcome Treatment
1 Prefer Not To Disclose Other