# K022556: Reflection Modified Acetabular Shells

- Pathway: 510(k) (Special)
- Applicant: Smith & Nephew, Inc.
- Decided: Aug 28, 2002 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
No predicates in its family tree.
30 later devices descend from it; 4 cite it directly.
0 of 31 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K090982: Smith & Nephew Hip Systems with HA (2010), 24 descendants of its own
- K101072: Tritanium Peri-Apatitie Acetabular Solid-Backed Shell, Tritanium Peri-Apatite (2011), 22 descendants of its own
- K122158: PBP Total Hip System (2012), 21 descendants of its own
- K131237: Pipeline Total Hip System (2013), 20 descendants of its own
- K161184: iNSitu Total Hip System (2016), 19 descendants of its own

## Indications for use
Total 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, inflammatory joint disease such as rheumatoid arthritis, or noninflammatory degenerative joint disease (NIDJD) or any of its composite diagnoses such as osteoarthritis; avascular necrosis; traumatic arthritis; slipped capital epiphysis; fused hip; fracture of the pelvis; diastrophic variant; old, remote osteomyelitis with an extended drainage-free period; nonunion; femoral neck fracture and trochanteric fractures of the proximal femur with heads involvement that are unmanageable using other techniques; femoral osteotomy, or Girdlestone resection; fracture dislocation of the hip; and correction of deformity.

Source page: https://510kreport.com/device/K022556
Methodology: https://510kreport.com/methodology