| 摘要 |
FIELD: medicine; orthopaedics and traumatology. ^ SUBSTANCE: prosthesis inferior limb contains foot, ankle joint, fixed leg and artificial muscle. Fixed leg is bent with convexity forward from lower end of fixed leg to upper end of fixed leg. The fixed leg is longitudinally bendable during step to accumulate and release energy for enhancement of prosthesis dynamic reaction during step. The artificial muscle accumulates energy during application of power load to prosthesis within active human take-off step phase and position phase during step at later stages, release of said energy to intensify taking-off driven limb and human body. Method for generating kinetic energy for taking-off force in elastic prosthesis foot involves the stages as follows: two concavity located in saggital plane are extended including backward concavity of fixed leg located in saggital plane thus to accumulate energy in prosthesis during application of power load to prosthesis within active human take-off step phase. During application of power load to prosthesis within active human take-off step phase, additional energy is accumulated in artificial muscle. At later stages of position phase during step, additional energy is released to intensify taking-off driven limb and human body additionally. ^ EFFECT: improved dexterity of sportsmen with the amputated limbs. ^ 29 cl, 54 dwg |
