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Prosthetics Engineering - Coggle Diagram

- - - - loss of vascularity of blood supply in peripheral tissues
      - associated with diabetes and other conditions
    - - Cancer
- - - - Removal of diseased or
        injured tissues
      - Creation of a stable residual
        limb*
      - Sufficient residuum length and tissue coverage for prosthetic weightbearing
      - Most complicated
      - Preservation of anatomy (e.g knee joint)
    - - Mark amputation level on skin leaving flaps for closure
      - Resect soft tissues
      - Seal resected vascular structures
      - Resect nerves
      - Resect bones
      - Reconstruct ‘myodesis’ (muscle flap), close skin, and
      - Dress wound.
- - - - Melted plastic is draped over the prosthetic (plaster filling from test socket) and is vacuumed to it.
  - - - Temperature
      - Activity
      - Oedema
        
        build-up of fluid in the body's tissues
      - Atrophy
        
        progressive degeneration or shrinkage of muscle or nerve tissue
  - - - CAD/CAM
      - laser/white light scanning
      - accurate but limited soft tissue manipulation
      - Sanders - height maps - deviation
      - Dickinson - low cost scanners
    - - CNC machine from foam block
- - - - available materials
      - graft access
      - trials in skeletally immature subjects
- - - - slowed speed of gait post amputation
    - - controlled by mulsce impulses and EMG sensors
      - normalised kinetic and metabolic cost
      - improved symmetry of gait and stance on slopes