# K936274: Kirschner Performance Posterior Stabilized Total Knee System

- Pathway: 510(k) (Traditional)
- Applicant: Kirschner Medical Corp.
- Decided: Jan 18, 1995 after 384 days
- Product code: JWH (Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3560
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
308 later devices descend from it; 3 cite it directly.
0 of 309 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K023546: Maxim Accel Knee System (2003), 305 descendants of its own
- K050222: Vanguard Anterior Stabilized Tibial Bearings (2005), 255 descendants of its own
- K041046: Maxim Accel (Vanguard) PS+ Bearings (2004), 249 descendants of its own
- K080528: E-Poly Tibial Bearings (2008), 248 descendants of its own
- K091956: Highly Cross-Linked Vitamin E Uhmwpe Tibial Inserts, Model 391/392-09_19-702_712 (2010), 119 descendants of its own

Source page: https://510kreport.com/device/K936274
Methodology: https://510kreport.com/methodology