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Cementless Femoral Stem

Cementless Femoral Stem

• The stem geometry is designed to closely match the anatomical axis of the femoral medullary
canal for optimal load transfer and fit.
• Collarless design promotes physiological stress distribution and preserves proximal bone stock.
• Available in a wide range of sizes, providing up to 95% anatomical coverage for various patient
anatomies.
• The proximal three-dimensional wedge-shaped structure ensures maximum metaphyseal fit
and fill within the femoral canal.
• Wedge-shaped geometry in the coronal, sagittal, and transverse planes provides excellent
resistance to subsidence and rotational forces, ensuring early implant stability.
• The three-dimensional wedge design promotes uniform stress distribution to the proximal
femur, reducing stress concentration and minimizing stress shielding.
• The single-radius proximal design utilizes arch-loading principles to enhance load-bearing
capacity, while the optimized stem length improves metaphyseal and distal fixation.
• Highly polished bullet-shaped distal tip significantly reduces stress shielding and distal cortical
irritation following implantation.
• Highly polished neck and collar region minimizes impingement and wear generation during
joint articulation.
• The porous-coated proximal surface, with a pore size of 100–300 μm, provides an ideal biological
fixation interface and promotes long-term osseointegration.
• Hydroxyapatite (HA) coating enhances biocompatibility and effectively stimulates bone I
ngrowth for durable biological fixation.

Product Specifications

• The stem geometry is designed to closely match the anatomical axis of the femoral medullary
canal for optimal load transfer and fit.
• Collarless design promotes physiological stress distribution and preserves proximal bone stock.
• Available in a wide range of sizes, providing up to 95% anatomical coverage for various patient
anatomies.
• The proximal three-dimensional wedge-shaped structure ensures maximum metaphyseal fit
and fill within the femoral canal.
• Wedge-shaped geometry in the coronal, sagittal, and transverse planes provides excellent
resistance to subsidence and rotational forces, ensuring early implant stability.
• The three-dimensional wedge design promotes uniform stress distribution to the proximal
femur, reducing stress concentration and minimizing stress shielding.
• The single-radius proximal design utilizes arch-loading principles to enhance load-bearing
capacity, while the optimized stem length improves metaphyseal and distal fixation.
• Highly polished bullet-shaped distal tip significantly reduces stress shielding and distal cortical
irritation following implantation.
• Highly polished neck and collar region minimizes impingement and wear generation during
joint articulation.
• The porous-coated proximal surface, with a pore size of 100–300 μm, provides an ideal biological
fixation interface and promotes long-term osseointegration.
• Hydroxyapatite (HA) coating enhances biocompatibility and effectively stimulates bone I
ngrowth for durable biological fixation.

Technical Features
Implant Type: Cementless Femoral Stem
Design Geometry: Anatomical Triple-Wedge Design
Fixation Method: Press-Fit Biological Fixation
Neck Configuration: Collarless Design
Neck Angle: 130°
Surface Treatment: Porous Coating with HA Coating
Primary Stability: Anti-Subsidence & Anti-Rotation

Name Material Code Size Long
Cementless Femoral Stem Titanium
+
Hydroxyapatite Coating
SP3310-02090 9 140
SP3310-02100 10 145
SP3310-02110 11 150
SP3310-02120 12 155
SP3310-02130 13 160
SP3310-02140 14 165
SP3310-02150 15 170

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