MAUDE Adverse Event Report: AESCULAP AG VEGA PS GLIDING SURFACE T1/1+ 14MM; KNEE ENDOPROSTHETICS

Model Number	NX112
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 nx011z.Device name as vega ps femoral comp.Cemented f5n l.Serial number n/a.Batch number unknown.Udi device identifier (b)(4).Udi production identifier unknown.Basic udi-di n/a.Unit of use udi-di (b)(4).Manufacturing date unknown.Reference code nx051z.Device name as vega ps tibial plateau.Cemented t1.Serial number n/a.Batch number unknown.Udi device identifier (b)(4).Udi production identifier unknown.Basic udi-di n/a.Unit of use udi-di (b)(4).Manufacturing date unknown.Ref.Code device name batch.Nx042 patella 3-pegs p2 unknown.Nx112 vega ps gliding surface t1/1+ 14mm unknown.Nn260p plug f/tibial plateau 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.Due to the fact that no lot numbers were provided, a review of the device history records for the complained device is not possible.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, left side.It was reported that as a result of having the products implanted, the patient has experienced bilateral knee pain and swelling; and normal daily activities were restricted due to the pain.The primary procedure occurred on (b)(6) 2013, and the revision was performed on (b)(6) 2018.Intraoperative findings showed loosening of the femoral and tibial components.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).Nx042 (universal patella p2).Nx051z (ps tibia cemented t1).Nx112 (ps pe insert t1/t1+, 14mm).Nn260p (peek plug f/ tibia).The cement used was palacos r radiopaque bone cement.The adverse event / malfunction is filed under reference (b)(4).Associated medwatches: 2916714-2020-00545.2916714-2020-00546.2916714-2020-00547.2916714-2020-00549.The same patient has an adverse event / malfunction filed under reference (b)(4) (right knee).

• Brand Name: VEGA PS GLIDING SURFACE T1/1+ 14MM
• Common Device Name: KNEE ENDOPROSTHETICS
• Manufacturer (Section D): AESCULAP AG; po box 40; tuttlingen, 78501 ; GM 78501
• MDR Report Key: 10803343
• Report Number: 2916714-2020-00548
• Device Sequence Number: 3773406
• Product Code: HRY
• UDI-Device Identifier: 04046963810788
• UDI-Public: 4046963810788
• Combination Product (Y/N): N
• Initial Reporter State: FL
• 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): 11/06/2020
• Report Date (Section F): 11/06/2020

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 Model Number: NX112
• Device Catalogue Number: NX112
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: Yes
• Distributor Facility Aware Date: 02/15/2019
• Event Location: Hospital
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 11/06/2020
• 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: 11/06/2020