an artificial device to replace a missing or impaired part of the body
prosthesis
the field of study or specialty concerned with the design, construction of fitting of a prosthesis
prosthetic
of or relating to a prosthesis or prosthetics limb
prosthetic
the leading causes of upper extremity amputations (4)
- trauma
- congenial deficiency
- tumor
- disease
amputation levels: transradial amputation
below the elbow: long, medium, short
amputation levels: transhumeral amputation
above the elbow: 50-90% of humeral length
A successful prosthesis is:
- comfortable
- easy to don/doff
- lightweight
- durable
- cosmetically pleasing
- functions well
- reasonable maintenance
- motivates individual
the components of an upper limb prosthesis
- suspension
- socket design
- alignment
- terminal devices: hooks, hands
- wrist, shoulder, and elbow units
- control: body-powered, myoelectric, hybrid
terminal devices: touching, feeling, pressing down with fingers, tapping, lifting, pushing
non-prehensile
terminal device: precision grip- pincher, lateral grip, hook power grip
prehensile
terminal devices: hooks, functional hands, activity-specific
active
terminal devices: cosmetic hands
passive
terminal devices: body-powered
- voluntary opening (VO)
- voluntary closing (VC)
recent innovations
- targeted muscle reinnervation
- the DEKA arm
- proprioception
- pattern recognition
- e-Nable
