# K123012: Smith & Nephew SMF Hip Stem

- Pathway: 510(k) (Special)
- Applicant: Smith & Nephew, Inc.
- Decided: Oct 24, 2012 after 26 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: 7 generations back to K850055 (1985). 23 ancestors in all.
10 later devices descend from it; 2 cite it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K103256: Smith & Nephew SMF Hip Stem, Smith & Nephew, Inc. (2011) Summary page 2.

## Most influential descendants
- K162775: Legion Cone System (2017), 5 descendants of its own
- K180334: LEGION Knee System (2018), 4 descendants of its own
- K230653: Smith & Nephew, Inc. ANTHEM Total Knee System, Genesis Uni Knee System, JOURNEY BCS and II Knee Systems, JOURNEY II CR Knee System, JOURNEY II Uni Knee System, Journey II UK Knee System, JOURNEY II XR Bi-Cruciate Retaining Knee System, JOURNEY PFJ System, JOURNEY Uni Knee System, Legion Hinge Total Knee System, Legion Total Knee System, ZUK Unicompartmental Knee System, ENGAGE Partial Knee System and Porous Patella and Porous Tibial Baseplates (2023), 3 descendants of its own
- K211176: Smith & Nephew Hip Systems (2022), 3 descendants of its own
- K261462: LANDMARK Total Knee System (2026), 0 descendants of its own

## Indications for use
Hip components are indicated for individuals undergoing primary and revision surgery where other treatments or devices have failed in rehabilitating hips damaged as a result of trauma or noninflammatory degenerative joint disease (NIDJO) or any of its composite diagnoses of osteoarthritis, avascular necrosis, traumatic arthritis, slipped capital epiphysis, fused hip, fracture of the pelvis, and diastrophic variant. Hip components are also indicated for inflammatory degenerative joint disease including rheumatoid arthritis, arthritis secondary to a variety of diseases and anomalies, and congenital dysplasia; treatments of nonunion, femoral neck fracture and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques; endoprosthesis, femoral osteotomy, or Girdlestone resection; fracture-dislocation of the hip; and correction of deformity. Smith & Nephew SMF Hip Stem components are intended for single use only and are to be implanted without bone cement.

Source page: https://510kreport.com/device/K123012
Methodology: https://510kreport.com/methodology
