BI-MENTUM Dual Mobility System

The BI-MENTUM™ Dual Mobility Hip System is a monoblock dual mobility hip system which is the first in a cadence of Dual Mobility options within the DePuy Synthes portfolio. The BI-MENTUM™ Dual Mobility system has a significant clinical heritage and provides optimal head to shell ratio. The BI-MENTUM™ Dual Mobility system is for patients with fracture neck of the femur (FNOF) and for revision hip surgery.

Bi-Mentum

Features & Benefits

Bi-Mentum Features and Benefits #1

Press-fit Primary Fixation Features

  1. Forged stainless steel shell for rigidity
  2. Slight flattened pole (-0.5mm), to reduce expulsion stresses
  3. Line to line surgical preparation
F&b#2

Convex Hemisphere

  • Circumferential macrostructures
  • Concentric rings on the outer surface of the cup to increase surface area, add roughness and scratch fit

+ 3 mm Cylindrical Rim

  • Equatorial macrostructures
  • These increase surface area and scratch fit at the apex
  • Macrostructure combines 3 thicker areas at 1200

 

100%

100% survivorship at 10 years

Specifications

Sizes         
BI-MENTUM™ Press-fit BI-MENTUM™ Press-fit (43-69MM)         
BI-MENTUM™ Plus BI-MENTUM™ Plus (41-69MM)  2 Peg Holes   1 Iliac Flange with single screw hole      
BI-MENTUM™ Revision BI-MENTUM™ Revision (41-69MM)  2 Peg Holes   2 Iliac Flanges each with two screw holes   1 Obturator Hook    
BI-MENTUM™ Cemented BI-MENTUM™ Cemented (43-63MM)         

References

  1. Laurenden L, Philippot R, Boyer B, Neri T, Farizon F. Ten-Year Clinical and Radiological Outcomes of 100 Total Hip Arthroplasty Cases with a Modern Cementless Dual Mobility Cup Surgical Technology International. 2018 Apr; 32: 985
  2. Combes A, Miguad H, Girard J, Duhamel A, Fessy MH. Low Rate of Dislocation of dual-mobility cups in primary total hip arthroplasty. Clin Orthop Relat Res. 2013 Dec;471(12):3891-900

Indication Statement

For product details such as indications, contraindications, warnings and precautions please consult the IFU.

130679-200115 DSUS