MAUDE Adverse Event Report: SMITH & NEPHEW, INC. UNKN ANTHEM KNEE IMPL; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Catalog Number UNKNOWN

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problem Fluid Discharge (2686)

Event Date 05/10/2023

Event Type  Injury  

Event Description

It was reported that on literature review "a comparison of robotic-assisted and manual techniques in restricted kinematically aligned total knee arthroplasty: coronal alignment improvement with no significant clinical differences", 1 (one) patient suffered from a prolonged wound drainage after having a tka with the anthem total knee system.The issue was resolved by an open debridement and irrigation.No further information is available.

Manufacturer Narrative

Turan k, camurcu y, kezer m, uysal y, kizilay yo, ucpunar h, temiz a.A comparison of robotic-assisted and manual techniques in restricted kinematically aligned total knee arthroplasty: coronal alignment improvement with no significant clinical differences.Knee surg sports traumatol arthrosc.2023 nov;31(11):4673-4679.Doi: 10.1007/s00167-023-07426-8.Epub 2023 may 10.Pmid: 37165209.H10: internal complaint reference: (b)(4).H3, h6.This complaint was opened by smith+nephew to document a patient complication identified through a review of clinical evidence from literature sources that includes reference to the use of a smith+nephew product.The reported issue(s) relate to known inherent procedural risks that are appropriately documented in our risk files.Smith+nephew will continue to monitor trends in accordance with our post-market surveillance process and take necessary action as required if anticipated severity and/or occurrence rates are exceeded.Smith+nephew has no reason to suspect that the product failed to meet any specifications at the time of manufacture.Based on our review of all currently available information, we are unable to confirm a relationship between the reported event and the device or identify a definitive root cause.However, as the use of our product cannot be excluded as a potential cause or contributory factor to the reported issue, we are conservatively submitting this report in accordance with applicable regulations.If additional information becomes available that alters the conclusions of this report, a follow-up report will be submitted as required.

• Brand Name: UNKN ANTHEM KNEE IMPL
• Type of Device: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer (Section G): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer Contact: holly topping ; 7000 west william cannon drive; austin, TX 78735 ; 5123913905
• MDR Report Key: 18202912
• MDR Text Key: 328891426
• Report Number: 1020279-2023-02305
• Device Sequence Number: 1
• Product Code: JWH
• Combination Product (y/n): N
• Reporter Country Code: TU
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Foreign,Literature
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 11/23/2023

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?: No
• Device Operator: Health Professional
• Device Catalogue Number: UNKNOWN
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 11/21/2023
• Initial Date FDA Received: 11/23/2023
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention