MAUDE Adverse Event Report: AESCULAP AG PATELLA 3-PEGS P3; KNEE ENDOPROSTHETICS

Model Number	NX043
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Codes	Pain (1994); Ambulation or Postural Difficulties (2544); Swelling/ Edema (4577)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reference code (b)(4).Device name as vega ps tibial plateau, cemented t2, serial number n/a, batch number 51983927, udi device identifier (b)(4), udi production identifier (b)(4), basic udi-di n/a, unit of use udi-di (b)(4), manufacturing date 2013-10-25.Ref.Code device name batch: nx011z as vega ps femoral comp.Cemented f5n l 51979353, nx043 patella 3-pegs p3 51971042, nn261z as tibial obturator d12mm unknown.Investigation: no product at hand.Therefore an investigation at the device is not possible.Pictorial documentation: there are no pictures available.Batch history review: the device quality and manufacturing history records (dhr) have been checked for all available lot numbers and the products found to be according to our specification valid at the time of production.There are no similar complaints against the same lot number(s) with this error pattern.Explanation and rationale: in the light of the little information received and due the circumstance that we did not received the complained devices it is not possible to determine a root cause for the mentioned failure.Corrective action: for this topic (loosening) a product safety case (psc) was initiated.
Event or Problem Description
It was reported that there was an issue with as vega knee.It was reported that as a result of having the product implanted, the patient has experienced knee pain, swelling, difficulty walking, and loosening and instability of the device.The primary procedure occurred on (b)(6) 2014, and the revision was performed on (b)(6)2018.All available information has been provided at this time, if additional information becomes available the complaint will be updated accordingly.Involved components: nx011z (ps femur cemented f5n lt), nx053z (ps tibia cemented t2), nx043 (universal patella p3), nn261z (tibial obturator d12mm, l7mm).The cement used was unspecified.The adverse event / malfunction is filed under reference (b)(4).Associated medwatches: 2916714-2020-00471, 2916714-2020-00472, 2916714-2020-00474.

• Brand Name: PATELLA 3-PEGS P3
• Common Device Name: KNEE ENDOPROSTHETICS
• Manufacturer (Section D): AESCULAP AG; po box 40; tuttlingen, 78501 ; GM 78501
• MDR Report Key: 10684344
• Report Number: 2916714-2020-00473
• Device Sequence Number: 2954910
• Product Code: HRY
• UDI-Device Identifier: 04046963810290
• UDI-Public: 4046963810290
• Combination Product (Y/N): N
• Initial Reporter State: OK
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Importer
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 10/15/2020
• Report Date (Section F): 10/15/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 08/01/2018
• Device Model Number: NX043
• Device Catalogue Number: NX043
• Device Lot Number: 51971042
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 10/15/2018
• Event Location: Hospital
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 10/15/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Date Report Sent to FDA: 10/15/2020