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China Suppliers Factory DELTA CLASSIC Rectangular Femoral Stem for Enhanced Stability and Bone Ingrowth
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DELTA® CLASSlC Stem, Ti+HA (Vacuum Plasma Sprayed).jpg

China Suppliers Factory DELTA CLASSIC Rectangular Femoral Stem for Enhanced Stability and Bone Ingrowth

Introducing our premium Ti6Al4V implants, designed for optimal performance and long-term bone ingrowth. Each implant features a dual coating of pure titanium (225µm) combined with hydroxyapatite (70µm) on each side, ensuring superior biocompatibility. Our products utilize a proximal rectangular cross-section, which provides exceptional resistance to both axial and rotational stress, guaranteeing initial stability during implantation. The innovative lateral shoulder cutting design enhances the smoothness of the implantation process. Additionally, our proximal stepped design is engineered to optimize stress distribution, effectively converting ring shear stress into axial compressive stress, which significantly improves axial stability. To further enhance performance, the distal vertical and horizontal grooves are strategically incorporated to provide added rotational and axial stability. As a leading factory and supplier in China, we are committed to delivering high-quality implants that meet the rigorous standards of the medical industry.
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    Product Detail

    Special Description

    DELTA® CLASSIC Stem, Ti+HA (Vacuum Plasma Sprayed)

    The reduced lateral shoulder eases stem insertion.

    Rectangular cross section design resists axial/torsional stresses for initial stability.

    The proximal steps designed to convert hoop stresses to compression loads to avoid intra-operative fracture, and provide consistent implant seating height and initial stability.

    DELTA® CLASSIC Stem, Ti+HA (Vacuum Plasma Sprayed) Biomechanics

    Distal vertical/horizontal grooves provide rotational and axial stability.

    Optimal offset aiming to restore hip biomechanics Ti6Al4V material and Ti+HA double layered coating (225 micron Ti coating plus 70 micron HA coating) ensure long-term bone ingrowth.

    DELTA® CLASSIC Stem, Ti+HA (Vacuum Plasma Sprayed) Structural Features
    Proximal stem stepped design

    Optimizes stress distribution by converting circumferential shear stress to axial compressive stress, enhancing axial stability.

    Distal stem vertical / horizontal groove design

    Provide rotational and axial stability.

    Side shoulder cutting design

    Easy implantation process.

    DELTA® CLASSIC Stem, Ti+HA Material Specifications
    Base material:

    TC4, Ti + HA double coating

    Ti coating thickness: 225 µm

    HA coating thickness: 70 µm

    Excellent long-term bone ingrowth

    Special Instrumentation

    DELTA® CLASSIC Stem, Ti+HA (Vacuum Plasma Sprayed) Instrumentation

    DELTA™ Classic Stem, Ti+HA (Vacuum Plasma Sprayed)

    Specification Stem length (mm) Offset Neck Angle Material
    6# 115 36 132° Ti6Al4V
    9# 130 38
    10# 140 40
    11# 145 40
    12# 150 42
    13# 155 42
    14# 160 44
    15# 165 44
    16# 170 46

    Technology Education

    JUST MED Surgical Technique Manual PDF

    JUST MED_Surgical Technique Manual_DELTA CLASSIC Rectangular Stem_Cementless.pdf

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    Frequently Asked Questions

    1. Which patients is this hip implant suitable for?

    Osteoarthritis, Femoral head necrosis, Femoral neck fracture, Rheumatoid arthritis, Ankylosing spondylitis, Dorr types A, B, and C medullary canal morphology.

    It is also designed for standard primary hip replacement.

    2. Can patients undergo MRI scans after implantation?

    Yes, the implant is made from non-magnetic materials like titanium, titanium alloys, and cobalt-chromium-molybdenum alloys, ensuring MRI safety. JUST MEDICAL's products meet these standards, but always inform your radiologist before scanning.

    3. Does this product support cemented or cementless fixation?

    Designed exclusively for cementless fixation.

    Promotes excellent long-term bone growth for stable and durable fixation.

    Eliminates the need for bone cement.

    4. What are the coating specifications and benefits of the DELTA® Classic Stem?

    The stem is manufactured from TC4 (Ti6Al4V) substrate with a Ti + HA vacuum plasma-sprayed double-layered coating. It features a 225 µm Titanium base layer and a 70 µm Hydroxyapatite (HA) outer layer, ensuring excellent long-term biological bone ingrowth.

    5. How does the proximal stepped design and rectangular cross section enhance stability?

    The rectangular cross-section resists axial and torsional stresses for initial stability. The proximal stepped design converts circumferential hoop shear stresses into compressive loads, which avoids intra-operative fractures and ensures consistent seating height.

    6. What specifications, offsets, and neck angles are available?

    The DELTA™ Classic Stem is available in specifications ranging from size 6# to 16#, with stem lengths from 115 mm to 170 mm, offsets from 36 mm to 46 mm, and a uniform neck angle of 132° across all sizes.

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