enpr115_ Dualis2021-03-03T12:14:13+01:00

Dualis

Double Mobility Cups

The concept of DUAL MOBILITY (head-insert and insert-cup) is a tried and tested means of reducing the risk of dislocation and consequent treatment.
The principle is that of combining high articulation stability by means of a large-diameter polyethylene insert and reducing shear forces thanks to the “low-friction” of the head-insert coupling

UNCEMENTED DUALIS

  • Available in 16 sizes: 42÷72
  • Three grooves around the circumference for a improved primary press-fit
  • Spherical shape extended in a cranial direction and protruded edge (+ 3mm) to prevent dislocation
  • Caudal unloading: prevents conflict with the femoral neck
  • Mirror finishing on the inside to avoid wear of the polyethylene

CEMENTED DUALIS

  • Available in 16 sizes: 42÷72
  • Longitudinal grooves that facilitate proper distribution of cement for an optimum anchoring
  • Mirror finishing on the inside to avoid wear of the polyethylene

Materials Uncemented Dualis: high nitrogen steel.  Double plasma sprayed Ti SPS + HA OSPROVIT coating for greater secondary stability.

Materials Cemented Dualis: high nitrogen steel

DUALIS TRIPOD

  • Available in 16 sizes: 42÷72
  • Iliac flange for cortical screws diam. 4.5mm
  • Two pegs to anchor the bone into the acetabulum
  • Three grooves around the circumference for a improved primary press-fit
  • Spherical shape extended in a cranial direction and protruded edge (+ 3mm) to prevent dislocation
  • Caudal unloading: prevents conflict with the femoral neck
  • Mirror finishing on the inside to avoid wear of the polyethylene

Materials Dualis Tripod: cup made of high nitrogen steel and iliac flange made of stainless steel. Double plasma sprayed Ti SPS + HA OSPROVIT coating for greater secondary stability.

INSERT

The cross-linked ultra-high molecular weight Polyethylene insert holds the 28mm and 22.2mm heads

OFFSET IMPACTOR

Offset impactor to allow the controlled positioning and impaction of cemented and uncemented dualis, with the anterior approach.

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