# K242543: Persona the Personalized Knee System (Persona Ti-Nidium PPS Femurs)

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer, Inc.
- Decided: Nov 22, 2024 after 88 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: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 12 generations back to K810258 (1981). 171 ancestors in all.
No later device cites it as a predicate yet.
0 of 172 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K221479: Persona Personalized Knee System, Zimmer, Inc. (2022) Summary page 5.
- K193223: Persona Personalized Knee System, Zimmer, Inc. (2020) Summary page 5.

## Indications for use
When a mechanical alignment approach is utilized, this device is indicated for patients with severe knee pain and disability due to: - Rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis. - Collagen disorders, and/or avascular necrosis of the femoral condyle. - Post-traumatic loss of joint configuration, particularly when there is patellofemoral erosion, dysfunction or prior patellectomy. - Moderate valgus, varus, or flexion deformities. - The salvage of previously failed surgical attempts or for a knee in which satisfactory stability in flexion cannot be obtained at the time of surgery. When a Personalized Alignment approach is utilized, this device is indicated for patients with severe knee pain and disability due to: - Rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis. - Collagen disorders, and/or avascular necrosis of the femoral condyle. - Moderate valgus, varus, or flexion deformities. The Personalized Alignment (PA) surgical technique may only be used with Persona cemented and uncemented CR femoral components, Persona CR, Ultra Congruent (UC), and Medial Congruent (MC) articular surface components, the Persona Cemented Stemmed tibial components without a stem extension, and the Persona OsseoTi Keel Tibia and Cemented Keel Tibia. Porous coated components may be used cemented or uncemented (biological fixation), except for the Persona OsseoTi Keel Tibia and the Persona OsseoTi 3-Peg Patella which are for uncemented use only. All other femoral, tibial baseplate and all-polyethylene (UHMWPE and VEHXPE) patella components are indicated for cemented use only.

Source page: https://510kreport.com/device/K242543
Methodology: https://510kreport.com/methodology
