MAUDE Adverse Event Report: BIOMET UK LTD. OXFORD PARTIAL KNEE SYSTEM ANATOMIC MENISCAL BEARING; PROSTHESIS, KNEE

Model Number N/A

Device Problems Material Erosion (1214); Malposition of Device (2616)

Patient Problem No Information (3190)

Event Type  Injury  

Manufacturer Narrative

Cmp(b)(4).Implant date - unknown date in (b)(6) 2016 report source, foreign ¿ event occurred in (b)(6).The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Multiple mdr reports were filed for this event, please see associated reports: 3002806535-2017-00615, 3002806535-2017-00616, 3002806535-2017-00617.

Event Description

It was reported a patient underwent a knee revision approximately one year post-implantation due malpositioning of the implants and wear of the poly bearing.All components were revised.

Manufacturer Narrative

(b)(4).Reported event was confirmed by review of x-rays provided.Dhr was reviewed and no discrepancies relevant to the reported event were found.Review of the complaint history determined that no further action is required as no were trends identified.Investigation results concluded that the reported event was due to malpositioning of implants and wear of the articular surface.The attached to the product package insert it states in warnings section: 5.Malalignment or soft tissue imbalance can place inordinate forces on the components which may cause excessive wear to the patellar or tibial bearing articulating surfaces.Revision surgery may be required to prevent component failure.

• Brand Name: OXFORD PARTIAL KNEE SYSTEM ANATOMIC MENISCAL BEARING
• Type of Device: PROSTHESIS, KNEE
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer (Section G): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer Contact: christina arnt ; 56 e. bell dr.; warsaw, IN 46582 ; 5745273773
• MDR Report Key: 6743349
• MDR Text Key: 81000641
• Report Number: 3002806535-2017-00615
• Device Sequence Number: 1
• Product Code: NRA
• Combination Product (y/n): N
• Reporter Country Code: AS
• PMA/PMN Number: PP010014
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: foreign,user facility
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 12/01/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 07/26/2017
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Physician
• Device Expiration Date: 09/30/2019
• Device Model Number: N/A
• Device Catalogue Number: 159583
• Device Lot Number: 3423242
• Other Device ID Number: SEE H10 NARRATIVE
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 11/04/2017
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 09/25/2014
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Removal/Correction Number: N/A
• Patient Sequence Number: 1
• Treatment: UNKNOWN OXFORD FEMORAL COMPONENT; UNKNOWN OXFORD TIBIAL TRAY
• Patient Outcome(s): Hospitalization; Required Intervention