# K232303: ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized Anatomic Patella with AFFIXIUM™ 3DP Technology

- Pathway: 510(k) (Traditional)
- Applicant: Depuy Ireland UC
- Decided: Dec 11, 2023 after 132 days
- Product code: MBH (Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3565
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K933785 (1995). 30 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 32 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K202194: ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella, and Medialized Anatomic Patella with AFFIXIUM™ 3DP Technology, Depuy Ireland UC (2020) Summary page 7.

## Most influential descendants
- K240678: ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized Anatomic Patella with AFFIXIUM 3DP Technology (2024), 0 descendants of its own

## Recalls of this device
- Mar 12, 2024 · Class II · Z-1456-2024: Product incorrectly labelled.

## Indications for use
The ATTUNE Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized Anatomic Patella with AFFIXIUM 3DP Technology are intended for cementless use within the ATTUNE® Total Knee Replacement System. Porous coated implants may be used with or without cement. Candidates for total knee replacement include patients with a severely painful and/or impaired knee function resulting from osteoarthritis, post-traumatic arthritis, or a failed previous implant (provided that adequate bone is present).

Source page: https://510kreport.com/device/K232303
Methodology: https://510kreport.com/methodology