VITA-an everyday virtual reality setup for prosthetics and upper-limb rehabilitation
VITA-an everyday virtual reality setup for prosthetics and upper-limb rehabilitation
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DOI：
10.1088/1741-2552/aaf35f
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发表时间：
2019-04-01
影响因子：
4
通讯作者：
Castellini, Claudio
中科院分区：
文献类型：
--
作者：
Nissler, Christian;Nowak, Markus;Castellini, Claudio
目标。目前，欧洲约有95000人患有上肢损伤。康复应在损伤发生后立即进行，并应在此后定期进行。此外，康复过程应该针对患者和损伤进行专门定制。接近。为了解决这一问题，我们开发了一种低成本的解决方案，将现成的虚拟现实(VR)设置与我们内部开发的手臂/手意图检测系统集成在一起。由此产生的系统名为VITA，使上肢残障人士能够在虚拟世界中互动，就像她受损的肢体仍然具有功能一样。VITA提供了两个我们认为必不可少的具体功能：力量控制的相称性和用户与意图检测核心之间的互动性。相对便宜的商业部件的使用使VITA能够用于康复中心、医院，甚至在家里。VITA的应用范围从肌肉退行性疾病(如肌萎缩侧索硬化症)患者的康复，到治疗肢体缺失和假肢训练的幻肢疼痛。主要结果。我们提出了一种多功能的虚拟现实上肢康复系统。我们使用标准手部评估工具Box and Block测试的VR实现对系统进行了测试，并对完好的受试者和假肢使用者进行了用户研究。此外，我们还提供了其他应用程序，展示了该系统的多功能性。意义重大。VITA系统展示了我们在意图检测方面的经验与最先进的VR系统用于康复目的的适用性。有了VITA，我们就有了一个易于适应的实验工具，可以让我们快速而逼真地模拟上肢受损患者的各种现实问题和康复练习。此外，还可以快速实施和测试假肢模拟和控制模式等其他场景。
Objective. Currently, there are some 95 000 people in Europe suffering from upper-limb impairment. Rehabilitation should be undertaken right after the impairment occurs and should be regularly performed thereafter. Moreover, the rehabilitation process should be tailored specifically to both patient and impairment. Approach. To address this, we have developed a low-cost solution that integrates an off-the-shelf virtual reality (VR) setup with our in-house developed arm/hand intent detection system. The resulting system, called VITA, enables an upper-limb disabled person to interact in a virtual world as if her impaired limb were still functional. VITA provides two specific features that we deem essential: proportionality of force control and interactivity between the user and the intent detection core. The usage of relatively cheap commercial components enables VITA to be used in rehabilitation centers, hospitals, or even at home. The applications of VITA range from rehabilitation of patients with musculodegenerative conditions (e.g. ALS), to treating phantom-limb pain of people with limb-loss and prosthetic training. Main results. We present a multifunctional system for upper-limb rehabilitation in VR. We tested the system using a VR implementation of a standard hand assessment tool, the Box and Block test and performed a user study on this standard test with both intact subjects and a prosthetic user. Furthermore, we present additional applications, showing the versatility of the system. Significance. The VITA system shows the applicability of a combination of our experience in intent detection with state-of-the art VR system for rehabilitation purposes. With VITA, we have an easily adaptable experimental tool available, which allows us to quickly and realistically simulate all kind of real-world problems and rehabilitation exercises for upper-limb impaired patients. Additionally, other scenarios such as prostheses simulations and control modes can be quickly implemented and tested.