# Prosthesis, Knee Patellofemorotibial, Partial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
> **Product code: NPJ** · Class II — Moderate Risk (510(k) clearance required) · Orthopedic · 21 CFR 888.3560
## Classification
- **FDA Product Code:** NPJ
- **Device class:** Class II — Moderate Risk (510(k) clearance required)
- **Regulation:** 21 CFR 888.3560
- **Review panel:** OR
- **Medical specialty:** Orthopedic
- **Submission type:** 1
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** Y
- **Third-party review:** N
## Definition

The device is intended to replace the medial condyle and the patellofemoral compartment of the distal femur with a single device.  The device is meant to be used with a uni-compartmental tibial base and insert and a resurfacing patella.  The device is intended to be used with bone cement.

## Market data
- **Cleared 510(k) submissions:** 12
- **Registered establishments:** 70
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=NPJ)
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