# K191831: MobiliT Cup

- Pathway: 510(k) (Traditional)
- Applicant: Corin U.S.A. Limited
- Decided: Jan 16, 2020 after 191 days
- Product code: LZO (Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3353
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 14 generations back to K810258 (1981). 141 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 144 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K111572: Novae Sunfit TH Dual Mobility Acetabular Cup Model Sunfit TH (Metal-Back), Novae E TH Dual Mobility Acetabular Cup Model, Serf (2011) Summary page 4.
- K170359: Trinity™ Dual Mobility System, Corin U.S.A. Limited (2017) Summary page 4.

## Most influential descendants
- K201657: Corin Ltd. Hip Products: Trinity™ Acetabular System, Trinity™ PLUS Acetabular Shell, MetaFix™ Hip System, TriFit™ CF and TS Hip Systems, TaperFit™ Hip System, Revival™ Modular Hip System, MiniHip™, Trinity™ Dual Mobility, MobiliT, BiPolar-i, OMNI MOD™ Hip System, OMNI K1 and K2 Hip Systems, OMNI Bipolar Heads, Corin Biolox Delta Ceramic Heads, OMNI Delta Ceramic Heads (2021), 2 descendants of its own
- K241472: Icona Hip Stem (2024), 1 descendant of its own
- K261576: Icona Hip Stem (2026), 0 descendants of its own

## Indications for use
The MobiliTTM Cup, for cemented and cementless use, are indicated for primary replacement of the hip joint: - In degenerative pathologies: primary, secondary or post-traumatic osteoarthritis, rheumatoid arthritis - For patients who have a high risk of dislocation - In cases of necrosis of the femoral head - In cases of fracture of the neck of the femur - In cases of congenital luxation The MobiliTTM Cup, for cemented and cementless use, are indicated for revision when the bone tissue remains sufficient after the removal of the previous acetabular cup. The cementless MobiliTTM standard Cup, with flanges or with flanges and hook are indicated for cementless use only. The cemented MobiliTTM Cup is indicated for cemented use only.

Source page: https://510kreport.com/device/K191831
Methodology: https://510kreport.com/methodology