MR_CHIROD v.2: Magnetic resonance compatible smart hand rehabilitation device for brain imaging
MR_CHIROD v.2: Magnetic resonance compatible smart hand rehabilitation device for brain imaging
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DOI：
10.1109/tnsre.2007.910286
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发表时间：
2008-02-01
影响因子：
4.9
通讯作者：
Mavroidis, Constantinos
中科院分区：
文献类型：
--
作者：
Khanicheh, Azadeh;Mintzopoulos, Dionyssios;Mavroidis, Constantinos
This paper presents the design, fabrication, and testing of a novel, one degree-of-freedom, magnetic resonance compatible smart hand interfaced rehabilitation device (MR_CHIROD v.2), which may be used in brain magnetic resonance (MR) imaging during handgrip rehabilitation. A key feature of the device is the use of electrorheological fluids (ERFs) to achieve computer controlled, variable, and tunable resistive force generation. The device consists of three major subsystems: 1) an ERF based resistive element, 2) handles, and c) two sensors, one optical encoder and one force sensor, to measure the patient induced motion and force. MR-CHIROD v.2 is designed to resist up to 50% of the maximum level of gripping force of a human hand and be controlled in real time. Our results demonstrate that the MR environment does not interfere with the performance of the MR_CHIROD v.2, and, reciprocally, its use does not cause fMR image artifacts. The results are encouraging in jointly using MR_CHIROD v.2 and brain MR imaging to study motor performance and assess rehabilitation after neurological injuries such as stroke.
