Introduction
Design types and evolution relevant to wear
Company | Design |
---|---|
ASTON Medical | TREGOR Dual Mobility Acetabular System |
Biomet | Active Articulation E1 |
Lima | 2 M |
Medacta International | Versafitcup Double Mobility |
Smith & Nephew | Polar Cup |
Stryker | Mobile Bearing Hip System |
Amplitude | Saturne |
Science and Medicine | Evora |
Serf | Novae |
Tornier | Dual Mobility Acetabular Cup |
Groupe Lepine | QUATTRO |
Wright Medical France | Collégia |
Biomechanical function of DM bearings
Wear and its clinical relevance in DM design
Intraprosthetic dislocation as result of PE wear
Reference | CNo. hips | Average FU (years) | Cup design | Stem design | IPD (%) |
---|---|---|---|---|---|
Philippot at al, 2006 [52] | 106 | 10 | Novae-1a
| Profil-1a
| 1.9 |
Philippot et al., 2009 [21] | 384 | 15.3 | Novae-1a
| 160 PFa, 224 PROa
| 3.6 |
Philippot et al., 2008 [60] | 438 | 17 | Novae-1a
| 185 PFa, 228 PROa, 25 Corailb
| 5.2 |
Boyer et al., 2012 [8] | 240 | 22 | Novaea
| PFa
| 4.1 |
Farizon et al., 1998 [53] | 135 | 12 | Novaea
| PIM/PFa
| 2 |
Lautridou et al., 2008 [61] | 437 | 16.5 | Novae-1a
| Charnley | 0.7 |
Vielpeau et al., 2011 [12] | 437 668 231 | 16.5 5.2 | Original Bousquet Novae-Ea
| Charnley Dedicacec
| 0.7 0 |
Combes et al., 2013 [54] | 2480 | 7 | Multiple designs | NA | 0.28 |
Hamadouche et al., 2012 [22] | 168 | 6 | Tregord
| Respectd
| 2.4 |