inforMED
MalfunctionKRR

RESTORIS MULTICOMPARTMENTAL KNEE PROSTHESIS

Received Nov 21, 2014 · Event occurred Oct 21, 2014

Report 3005985723-2014-00192 · MDR key 4298263

Device

Generic name

Compartmental Knee Prosthesis, Krr, Hsx, Npj, Hry

Manufacturer

Mako Surgical

Model number

111140

Lot number

06040711

Product problems

  • Break

Patient

Not reported

  • No Known Impact Or Consequence To Patient

Narrative

Additional Manufacturer Narrative

AS PART OF NORMAL COMPLAINT FOLLOW-UP, AN EVALUATION OF THE EVENT HAS BEEN INITIATED AT MAKO SURGICAL. THE EVALUATION IS ONGOING, AND A SUPPLEMENTAL REPORT WILL BE FILED WHEN FURTHER INFORMATION IS OBTAINED.

Description of Event or Problem

THE SURGEON PERFORMED A PARTIAL KNEE ARTHROPLASTY USING THE ROBOTIC ARM INTERACTIVE ORTHOPEDIC SYSTEM (RIO) AND RESTORIS MULTICOMPARTMENTAL KNEE (MCK) IMPLANTS. WHEN THE SURGEON WAS TRIALING, HE INSERTED THE FEMORAL TRIAL INSERTER INSTRUMENT INTO THE FEMORAL TRIAL. WHEN HE DID THIS, THE INSERTER TIP SHEARED OFF INSIDE OF THE FEMORAL TRIAL. ANOTHER INSTRUMENT TRAY WAS OPENED AND THE BREAKAGE DID NOT AFFECT THE OUTCOME OF THE CASE WHICH WAS SUCCESSFUL.