# K230563: EVOLUTION® Hinge Knee System

- Pathway: 510(k) (Traditional)
- Applicant: Microport Orthopedics, Inc.
- Decided: Sep 27, 2023 after 210 days
- Product code: KRO (Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3510
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K013035 (2001). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K013035: Guardian Limb Salvage System, Wrightmedicaltechnologyinc (2001) Summary page 4.

## Most influential descendants
- K240043: EVOLUTION® Hinge Knee System;GUARDIAN™ limb Salvage System;DCW Modular Distal Femoral System;REPIPHYSIS™ Limb Salvage System;EVOLUTION® MP Total Knee System; EVOLUTION® MP Total Knee System; EVOLUTION® MP Adaptive CS Insert; EVOLUTION® MP Adaptive PS Tibial Insert; EVOLUTION® MP CS/CR Porous Femur/EVOLUTION® Adaptive CS and PS Inserts; EVOLUTION® Revision CCK System; ADVANCE® Double High Insert; ADVANCE® A-CLASS® Tibial Insert; ADVANCE® Knee System; ADVANCE® Ultra-Congruent Tibial Inse (2024), 0 descendants of its own

## Indications for use
The EVOLUTION® Hinge Knee System is indicated for use in knee arthroplasty in skeletally mature patients with the following conditions: 1) noninflammatory degenerative joint disease including osteoarthritis, traumatic arthritis, or avascular necrosis; 2) inflammatory degenerative joint disease including rheumatoid arthritis; 3) correction of functional deformity; 4) revision procedures where other treatments or devices have failed; and treatment of fractures that are unmanageable using other techniques. The EVOLUTION® Hinge Knee System implants are for cemented use only.

Source page: https://510kreport.com/device/K230563
Methodology: https://510kreport.com/methodology