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    • 3. 发明申请
    • Knee-Ankle-Foot Orthosis with Load Brake
    • 带负载制动器的膝关节踝关节矫形器
    • US20080255489A1
    • 2008-10-16
    • US12089213
    • 2007-03-16
    • Eiichi GendaKazushige OhtaMitsuhisa SuzukiShigeru OtsukaKouji Yamamoto
    • Eiichi GendaKazushige OhtaMitsuhisa SuzukiShigeru OtsukaKouji Yamamoto
    • A61F5/00
    • A61F5/0102A61F2005/0162
    • A knee-ankle-foot orthosis in accordance with the present invention can smoothly shift from the stance phase to the swing phase thereof. Namely, the knee-ankle-foot orthosis capable of securely locking a patient's knee in a desired angular position thereof with a load of his body weight, and immediately shifting his knee to the unlocked state without requiring any extra motion when the load disappears is provided.As shown in FIG. 1, the speed of the rotation of a knee axis gear 23 adapted to transmit the rotation of a knee axis 21 is increased by eight times with a speed increasing gear train 25, and is transmitted to a brake drum 41. A wire 31 wound around the brake drum 41 is connected to first and second levers 27 and 28 as load detecting members. When a foot holding portion 18 contacts the ground and the first lever 27 is stepped down, the wire 31 is pulled downwardly with a load of his body weight, whereby brakes are applied. The brake torque is increased by eight times, and is transmitted to the knee axis 21. Consequently, even with a small force due to the load of his body weight, the knee-ankle-foot orthosis can be securely locked with a braking method to prevent giving way thereof. In addition, since the braking method is used, shifting to the unlocked state can be smoothly achieved.
    • 根据本发明的膝盖踝足矫形器可以平稳地从姿态相位移动到摆动阶段。 即,膝盖脚踝矫形器能够以其体重负载将患者膝盖牢固地锁定在期望的角度位置,并且在负载消失时立即将膝盖移动到解锁状态而不需要任何额外的运动 。 如图所示。 如图1所示,适于传递膝轴21的旋转的膝部轴线齿轮23的旋转速度用增速齿轮系25增加八倍,并被传递到制动鼓41.绕线31 制动鼓41连接到第一和第二杠杆27和28作为负载检测构件。 当脚部保持部分18接触地面并且第一杆27被降下时,线31被他的体重负载向下拉,由此施加制动。 制动扭矩增加八倍,并被传递到膝盖轴线21.因此,即使由于其体重负荷而产生的较小的力,也可以用制动方法将膝盖踝足矫形器牢固地锁定 防止让步。 此外,由于采用了制动方法,所以能够平稳地实现切换到解锁状态。