S-Taper & S-Taper Mirror

S-Taper

Uncemented straight stem

S-Taper is a straight stem that’s easy to implant and anchor.

It’s characterized by its:

  • Conical shape in the antero-posterior and lateral planes, ensuring anchorage not only in the proximal or distal part of the femur but on the entire portion of the prosthesis housing.
  • Graded sizing of the entire prosthesis; width and thickness increase in proportion to the size of the neck.
  • Rounded distal extremity of the prosthesis is to facilitate insertion.
  • Two holes for removal, one threaded axial at the top of the stem and one in an antero-posterior position, thus providing two possible ways to remove the stem if necessary.

Materials

  • The prosthesis is made of titanium with a low elasticity modulus TI 6Al 7Nb (ISO 5832-11) which can tolerate temporary deformation under stress. It encourages balanced load distribution over all the surrounding areas. No concentrated forces are applied to any particular area or element, as in a healthy, unbroken femur
  • To increase osteo-integration without the use of additional porous coatings, the “S-TAPER” is given an extremely rough corundum finishing guaranteeing an Ra of 5-7 μ

S-Taper Mirror

Cemented straight stem

S-Taper is a straight stem that’s easy to implant and anchor.

  • Conical antero-posterior and lateral shape, which guarantees anchorage not only in the proximal or distal part of the femur, but in all the entire housing;
  • The proportional sizing of the stem: as its size increases, so too that of the neck, length and thickness;
  • The tapered distal end of the stem, enabling it to be inserted in the cemented;
  • The surface finish consists of a mirror polish that minimizes abrasion at the expense of cement;
  • 8 different stem lengths;
  • A deformable distal centralizer (17mm) in PMMA;
  • Cervical-diaphyseal angle of 131°.

Materials

  • High nitrogen content stainless steel according to standard ISO 5832/9.

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