U2™ HA Stem

 





Matrix Design - Maximized Fit and Fill
The Matrix design addresses both proximal and distal canal fit and fill in order to facilitate load transfer1 and achieve excellent initial stability.2

 


Implant Features:
 

 


1. 12/14 Morse Taper



2. Tri-wedge Design
Provide axial and rotational stability and facilitate proximal load transfer.3





3. New Instrument
Quick-connected holder offers easy-to-use instrument to facilitate surgical efficiency.





4. Extended Dual Coating – Ti 500 μm plus HA 80 μm
Extended proximal 2/5 Ti plasma spray with HA dual coating facilitates biological fixation.






5. Polished Fluted Distal End
Avoid stress shielding and increase torsional stability



References
  1. Claus AM et al. Fractures of the greater trochanter induced by osteolysis with the anatomic medullary locking prosthesis. J Arthroplasty. 2002 Sep;17(6):706-12.
  2. Mai KT et al. Cementless femoral fixation in total hip arthroplasty. Am J Orthop. 2010 Mar;39(3):126-30.
  3. Mallory TH et al., Minimal 10-year results of a tapered cementless femoral component in total hip arthroplasty. J Arthroplasty. 2001 Dec;16(8 Suppl 1):49-54.



Brochure