射频识别——引导灵巧假手的创新解决方案。
Radio frequency identification--an innovative solution to guide dexterous prosthetic hands.
作者信息
Trachtenberg Matthew S, Singhal Girish, Kaliki Rahul, Smith Ryan J, Thakor Nitish V
机构信息
Johns Hopkins University, Baltimore, MD 21218, USA.
出版信息
Annu Int Conf IEEE Eng Med Biol Soc. 2011;2011:3511-4. doi: 10.1109/IEMBS.2011.6090948.
Dexterous manipulation of a multi-fingered prosthetic hand requires far more cognitive effort compared to typical 1 degree of freedom hands, which hinders their acceptance clinically. This paper presents a Myoelectrically-Operated Radio Frequency Identification (RFID) Prosthetic Hand (MORPH); an implementation of RFID with a myoelectric prosthetic hand as a means to amplify the controllable degrees of freedom. Contextual information from an object equipped with an RFID tag allows automatic preshaping along with dexterous control in an attempt to reduce the cognitive effort required to operate the terminal device. The myoelectric-RFID hybrid has been demonstrated in a proof-of-concept case study where an amputee was fitted with the device and subjected to activities adapted from the Jebsen Hand Function Test and the Smith Hand Function Evaluation with RFID-tagged and untagged items. Evaluation tests revealed that the MORPH system performed significantly better in 4 of the 8 tasks, and comparable to the control in the remainder.
与典型的单自由度手部相比，对多指假手进行灵巧操作需要更多的认知努力，这阻碍了它们在临床上的应用。本文介绍了一种肌电操作的射频识别（RFID）假手（MORPH）；将RFID与肌电假手相结合，作为增加可控自由度的一种方式。来自配备RFID标签的物体的上下文信息允许自动预成型以及进行灵巧控制，以减少操作终端设备所需的认知努力。在一个概念验证案例研究中展示了肌电-RFID混合系统，在该研究中，一名截肢者佩戴了该设备，并进行了根据Jebsen手部功能测试和Smith手部功能评估改编的活动，使用带有RFID标签和未带标签的物品。评估测试显示，MORPH系统在8项任务中的4项中表现明显更好，在其余任务中与对照组相当。
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