SYNTHESIS Femoral Stem

SYNTHESIS Femoral Stem

Category: Permedica Orthopedics

INTENDED PURPOSE:

SYNTHESIS is a femoral stem intended for use in total or partial Hip Replacement procedures, combined with a femoral ball head (or a biarticular head) and an acetabular cup. Indicated for primary hip arthroplasties in cases of serious joint degeneration, mainly due to arthrosis and post-traumatic degenerative factors, where cortical bone structure is suitable to guarantee a correct and enduring mechanical fixation by means of press-fit technique. Device fixation is obtained by means of primary cementless press-fit stabilization and long term biological integration.


MATERIALS:

                Titanium Aluminium Niobium forged alloy (Ti6Al7Nb) ISO5832/11


STERILIZATION:

                Method: Irradiation (Beta or Gamma rays - nominal dose 25 kGy) or vaporized Hydrogen Peroxide (VH2O2).

                Validity: 5 years (Beta) - 10 years (Gamma-VH2O2).


SYNTHESIS



Cementless Stem

SYNTHESIS is a femoral stem combining a well proven anchoring concept (three-dimensional conical design and rectangular cross-section) with a range of stems designed to allow the best reproducibility of joint geometry thanks to different offsets.

    




Taper

12/14 (top angle 5°42'30") BIOLOX approved


The optimized roughness of the microstructure surface and the well proven biocompatibility features of TiAlNb alloy promote osseointegration. 

  

Reduced neck cross-section and short taper for optimized range of motion (ROM). 


Three-dimensional conical design and rectangular crosssection guarantees optimal stability of the implant. 


The wide metaphyseal section allows fitting on the calcar region; the longitudinal ribs penetrate the cancellous bone increasing primary stability.









13 Implant sizes


3 Off-sets


3 offsets available for each stem size, with 5mm increments without affecting the leg length.


The ribs in the proximal region of the stem have a flat base design tapering proximally, thus allowing penetration into the cancellous bone of the metaphyseal region.


The elliptical geometry was designed to allow optimal fitting to the proximal femur cross-section.