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KROClass 2

Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer

FDA adverse event reports and recall history for prosthesis, knee, femorotibial, constrained, cemented, metal/polymer (product code KRO), from the public MAUDE corpus and the live FDA recall database.

Total reports
9,364
Deaths
54
Injuries
8,298
Malfunctions
984

Reports per year

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

Source: FDA adverse event reports by year received, 20122026. Reporting paused twice in 2026 during FDA reporting-system changes and has since resumed.

Recent recalls

  • 2026-08-11Open, ClassifiedProcess change control

    Endo-Model, Replacement Set, Tibial Plateau, right/left, L, UHMWPE, CoCrMo, Rotating Hinge Item Number 15-0027/16

    The affected Endo-Model replacement set for a Rotating Hinge tibial plateau incorrectly contains a Pure Hinge plateau. The incorrect plateau could lead to a prolonged or modified surgery as the plateau cannot be inserted and an alternative product would be needed. If the incorrect plateau were to be implanted, this is associated with increased risk of wear, which could result in a reduced standing time of the implant.

  • 2026-08-05Open, ClassifiedProcess design

    Brand Name: USTAR II Knee System Product Name: Hinge Box Trial, L, #1-6 and Hinge Box Trial, R, #1-6 Model/Catalog Number: 9325-5711 thru 9325-5716 and 9325-5721 thru 9325-5726 Software Version: N/A Product Description: Knee femur prosthesis trial, reusable Component: No, N/A

    Due to an incomplete process of the component screw by a subcontractor which prevents the properly assembling of stem trail.

  • 2026-06-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE Revision Hinge Knee Hinge Housing Components with the below product descriptions and Part Codes. 1. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN B; Part Number: 151730010. 2. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN C; Part Number: 151730012. 3. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN D; Part Number: 151730014. 4. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN E; Part Number: 151730016. 5. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN F; Part Number: 151730018. 6. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN G; Part Number: 151730020. 7. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN H; Part Number: 151730022. 8. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN I; Part Number: 151730024. 9. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN J; Part Number: 151730026. 10. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN K; Part Number: 151730028. 11. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN L; Part Number: 151730030. 12. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN M; Part Number: 151730032. 13. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN N; Part Number: 151730034. 14. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN P; Part Number: 151730038. 15. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN Q; Part Number: 151730040. 16. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN R; Part Number: 151730042. 17. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN S; Part Number: 151730044. 18. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN T; Part Number: 151730046. 19. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN U; Part Number: 151730048. 20. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN V; Part Number: 151730050. 21. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN W; Part Number: 151730052. 22. ATTUNE KNEE SYSTEM REVISION HINGE HOUSING COMPONENT AND CROSSPIN X; Part Number: 151730036.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-06-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE Revision Hinge Knee Hinge Insert Components with the below product descriptions and Part Codes. 1. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 10mm B; Part Number: 151730410. 2. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 12mm B; Part Number: 151730412. 3. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 14mm B; Part Number: 151730414. 4. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 16mm B; Part Number: 151730416. 5. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 18mm B; Part Number: 151730418. 6. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 20mm B; Part Number: 151730420. 7. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 22mm B; Part Number: 151730422. 8. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 24mm B; Part Number: 151730424. 9. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 26mm B; Part Number: 151730426. 10. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 4 8mm B; Part Number: 151730408. 11. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 10mm C; Part Number: 151730510. 12. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 12mm C; Part Number: 151730512. 13. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 14mm C; Part Number: 151730514. 14. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 16mm C; Part Number: 151730516. 15. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 18mm C; Part Number: 151730518. 16. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 20mm C; Part Number: 151730520. 17. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 22mm C; Part Number: 151730522. 18. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 24mm C; Part Number: 151730524. 19. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 26mm C; Part Number: 151730526. 20. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 5 8mm C; Part Number: 151730508. 21. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 10mm E; Part Number: 151730710. 22. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 12mm E; Part Number: 151730712. 23. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 14mm E; Part Number: 151730714. 24. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 16mm E; Part Number: 151730716. 25. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 18mm E; Part Number: 151730718. 26. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 20mm E; Part Number: 151730720. 27. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 22mm E; Part Number: 151730722. 28. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 24mm E; Part Number: 151730724. 29. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 26mm E; Part Number: 151730726. 30. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 7 8mm E; Part Number: 151730708. 31. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 10mm W; Part Number: 151730810. 32. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 12mm W; Part Number: 151730812. 33. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 14mm W; Part Number: 151730814. 34. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 16mm W; Part Number: 151730816. 35. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 18mm W; Part Number: 151730818. 36. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 20mm W; Part Number: 151730820. 37. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 22mm W; Part Number: 151730822. 38. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 8mm F; Part Number: 151730808. 39. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 24mm W; Part Number: 151730824. 40. ATTUNE KNEE SYSTEM REVISION HINGE INSERT 8 26mm W; Part Number: 151730826.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL LT SZ 4 CEM. Part Number: 150450104.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL LT SZ 5 CEM. Part Number: 150450105.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL LT SZ 7 CEM. Part Number: 150450107.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL LT SZ 8 CEM. Part Number: 150450108.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL RT SZ 3 CEM. Part Number: 150450203.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

  • 2026-04-29Open, ClassifiedUnder Investigation by firm

    Depuy Synthes, ATTUNE REVISION HINGE FEMORAL RT SZ 4 CEM. Part Number: 150450204.

    The external sterile packaging was found adhered to the internal sterile packaging, potentially compromising sterility.

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