Select your country

Sian Park Banner2

Your goals...
Your journey...
Your Blatchford

  • Home
  • Your Blatchford Journey
  • Mechanical Knees & Ankles

    Key Features of Mechanical Limbs

    Mechanical prosthetic legs are typically made from durable materials like aluminum, carbon fiber, or plastic. They use simple mechanical components to provide basic functionality.

    Simplicity: Mechanical prosthetics often use a simple hinge or pivot joint to mimic the knee or ankle movement. They rely on springs and levers to provide stability and movement. (Note: Although blade feet have no moving parts, they are considered to be mechanical in nature)

    Weight: Mechanical prosthetics tend to be lighter than hydraulic or microprocessor equivalents.

    Durability: Mechanical feet and knees are generally robust and require less maintenance, making them suitable for a variety of environments.

    Pros

    • Cost Effective
      Mechanical prosthetics are often less expensive than more advanced systems.
    • Low Maintenance
      With fewer components, they require less maintenance and are easier to repair.

    Cons

    • Limited Functionality
      They do not adjust to different walking speeds or terrains, which can restrict mobility.
    • Less Comfort
      Users may experience discomfort over prolonged use, as they do not absorb shock as effectively as hydraulic or microprocessor systems.
  • Hydraulic Feet & Ankles

    Key Features of Hydraulic Limbs

    Hydraulic feet and legs use fluid-driven technology to mimic natural movement. They contain hydraulic cylinders filled with fluid that adjusts resistance based on the user’s movements.

    Variable Resistance: Hydraulic systems can adjust the stiffness of the knee joint based on the user’s walking speed, providing more natural movement.

    Shock Absorption: Hydraulic knees and ankles offer better shock absorption and energy return than mechanical prosthetics. This helps to enhance comfort and reduce fatigue.

    Pros

    • Adaptive Functionality
      Hydraulic systems can adapt to different walking speeds and terrains, improving user experience.
    • Increased Stability
      They can provide a more stable platform for the user, especially when navigating uneven surfaces.

    Cons

    • Weight
      Hydraulic systems are often heavier than mechanical prosthetics.
    • Maintenance Needs
      They may require more maintenance due to the complexity of hydraulic components.
  • Microprocessor Prosthetics

    Key Features of Microprocessor Limbs

    Microprocessor-controlled prosthetic knees (MPKs) and ankles integrate advanced technology, including sensors and computer algorithms, to provide highly adaptive and responsive movement.

    <

    Real-Time Adjustments: Microprocessor prosthetics can analyze walking patterns and adjust the knee or ankle position in real time, accommodating changes in speed, terrain and user activity.

    Data Collection: These devices often collect data on the user’s walking patterns, which can help in personalizing the fit and function.

    Pros

    • High Level of Functionality
      They offer the most advanced mobility features, making it easier for users to navigate different environments.
    • Natural Movement
      Microprocessor systems can closely mimic the natural biomechanics of walking, providing a more comfortable experience.

    Cons

    • Cost
      They are generally the most expensive type of prosthetic due to the advanced technology involved.
    • Battery Dependency
      Microprocessor-controlled systems require batteries, which need to be charged and may run out during use.