inforMED
MalfunctionISH

ICELOCK 621 RATCHED

Received Mar 3, 2023 · Event occurred Sep 22, 2022

Report 3003764610-2023-00006 · MDR key 16477447

Device

Generic name

Prosthetic Lock

Manufacturer

Ossur Hf

Model number

L-621000

Catalog number

L-621000

Product problems

  • Naturally Worn
  • Naturally Worn

Patient

Unknown

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

Narrative

Description of Event or Problem

THE USER REPORTED THE DEVICE COMING OFF WHILE CLIMBING STAIRS. NO INJURY OCCURRED.

Additional Manufacturer Narrative

LOCK FAILED TO PROVIDE SECURE SUSPENSION RESULTING IN DEVICE COMING OFF WHILE USER WAS CLIMBING STAIRS. PRODUCT HAD BEEN IN USE FOR 4 MONTHS. THE LOCKING PLATE AND LOCKING PINS WERE FOUND WORN. PRODUCT WEAR IS A KNOWN DISADVANTAGE WITH RATCHET LOCK WHERE UNHARDENED GUIDE PLATE MAY HAVE BEEN MORE SUSCEPTIBLE TO A BINDING EFFECT BETWEEN SIMILAR STAINLESS-STEEL MATERIAL AND SUBSEQUENT FASTER WEAR DOWN. CAPA IS IN PROGRESS AND PRODUCT IMPROVEMENTS HAVE BEEN IMPLEMENTED.