# K063423: Triathlon CS (Condylar Stabilizing) Lipped Insert

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Osteonics
- Decided: Jan 22, 2007 after 70 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
Longest line of descent: 2 generations back to K040267 (2004). 8 ancestors in all.
40 later devices descend from it; 10 cite it directly.
0 of 49 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K021451: Duracon CS Tibial Insert, Howmedica Osteonics Corp. (2002) Summary page 2.
- K023724: Duracon CS Lipped Extra Small Tibial Insert, Howmedica Osteonics Corp. (2003) Summary page 2.
- K032163: Duracon Total Knee System, Howmedica Osteonics Corp. (2003) Summary page 2.
- K040267: Triathlon Cruciate Retaining (CR) Total Knee, Howmedica Osteonics Corp. (2004) Summary page 2.
- K042883: Size 1 Triathlon Cruciate Retaining (CR) Tibial Insert, Howmedica Osteonics Corp. (2004) Summary page 2.
- K051146: Triathlon Knee System, Howmedica Osteonics Corp. (2005) Summary page 2.
- K031729: Triathlon Posteriorly Stabilized (PS) Total Knee System, Howmedica Osteonics Corp. (2003) Summary page 2.
- K050539: Size 1 Triathlon Posterior Stabilized (PS) Tibial Insert, Howmedica Osteonics Corp. (2005) Summary page 2.

## Most influential descendants
- K123166: Triathlon All-Polyethylene Condylar Stabilizing (CS) Tibial Implants Triathlon All-Polyethylene Posterior Stabilizing (P (2013), 33 descendants of its own
- K141056: Triathlon Knee System Posterior Stabilized Components (2014), 28 descendants of its own
- K071881: Triathlon PKR System (2007), 25 descendants of its own
- K172326: Triathlon Total Knee System, Triathlon PKR System, Restoris MCK Knee System (2017), 24 descendants of its own
- K172634: Triathlon® X3® UHMWPE Tibial Inserts and Patellar Components (2017), 18 descendants of its own

## Indications for use
Painful, disabling joint disease of the knee resulting from: noninflammatory degenerative joint disease (including osteoarthritis, traumatic arthritis or avascular necrosis), or rheumatoid arthritis * Post-traumatic loss of knee joint configuration and function * Moderate varus, valgus, or flexion deformity in which the ligamentous structures can be returned to adequate function and stability * Revision of previous unsuccessful knee replacement or other procedure * Fracture of the distal femur and/or proximal tibia that cannot be stabilized by standard fracture management techniques

Source page: https://510kreport.com/device/K063423
Methodology: https://510kreport.com/methodology