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    THR Implants - Stems, Cups And Bearings

    STEMS

    ‣
    Cemented vs Uncemented Stems: Pros and Cons
    ‣
    What are the Cemented femoral stem options?
    ‣
    How does the composite beam work?
    ‣
    What is the Charnley evolution - identify a Charnley stem?
    ‣
    What is the triple taper in C-stem?
    ‣
    Composite Beam vs Taper Slip?
    ‣
    Composite Beam vs Taper Slip?
    ‣
    Role of centralizer in taper slip stem?
    ‣
    What is the benefit of subsidence in taper slip?
    ‣
    Difference between Moore and Thompson implant?
    ‣
    What are isoelastic stems?

    CEMENTLESS Stems

    ‣
    What are the Uncemented Femoral Stem options?
    ‣
    How is HA coating used in THR?
    ‣
    How can you classify uncemented stems?
    ‣
    How can you classify uncemented stems by shape?
    ‣
    What is Stress shielding?
    ‣
    How to prevent stress shielding? What law?
    ‣
    Circumferential vs patchy coating?
    ‣
    How do we know if the cementless stem is stable or not? (planning for extraction)
    ‣
    Does presence of pedestal always mean unstable?
    image
    ‣
    Tell me about this collared stem?
    image
    ‣
    Why the difference?

    TRUNNION

    ‣
    What is a Morse taper?
    ‣
    Why is Stryker Exeter called V40?
    ‣
    What does 12/14 taper mean?
    ‣
    Why cannot mix heads and femoral stems?
    ‣
    What is trunnion wear?
    ‣
    What increase trunnion wear?

    CUPS

    ‣
    Cemented vs Uncemented Cups?
    ‣
    What are the parts of the Cemented cup?
    ‣
    What are the Acetabular Cup Options?
    ‣
    Types of contact between head and cup? [Radial Clearance]
    ‣
    How is initial stability achieved?

    Bearings

    ‣
    How can you tell this is CoC from XR?
    📖

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