# K994415: Marathon Cross-Linked Polyethylene Acetabular Cup Liners

- Pathway: 510(k) (Special)
- Applicant: DePuy Orthopaedics, Inc.
- Decided: Feb 3, 2000 after 36 days
- Product code: LPH (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3358
- 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 K972596 (1997). 1 ancestor in all.
194 later devices descend from it; 7 cite it directly.
0 of 196 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972596: Depuy Duraloc Acetabular Cup System, Depuy, Inc. (1997) Summary page 1.

## Most influential descendants
- K110087: Corin Trinity Acetbular System with Hxlpe Liners (2011), 109 descendants of its own
- K062489: Apex Hcla Acetabular Cup  Liners (2007), 63 descendants of its own
- K111911: Corin Optimom Modular Head (2011), 62 descendants of its own
- K073150: Apex-LNK Poly Acetabular Cup Liners (2008), 62 descendants of its own
- K120362: Metafix Femoral Stem for Hemi-Arthroplasty (2012), 61 descendants of its own

## Indications for use
The DePuy Marathon Cross-linked Polyethylene Acetabular Cup Liners are intended to be used with the Duraloc System Acetabular Cups to resurface the acetabular socket in cemented or cementless total hip arthroplasty.

Source page: https://510kreport.com/device/K994415
Methodology: https://510kreport.com/methodology