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A soft pneumatic glove with multiple rehabilitation postures and assisted grasping modes
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Wang, Fujun, Chen, Yanwei, Wang, Yuzhong, Liu, Zhu, Tian, Yanling and Zhang, Dawei (2022) A soft pneumatic glove with multiple rehabilitation postures and assisted grasping modes. Sensors and Actuators A : Physical, 347 . p. 113978. doi:10.1016/j.sna.2022.113978 ISSN 0924-4247.
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Official URL: http://doi.org/10.1016/j.sna.2022.113978
Abstract
This article proposes a novel soft pneumatic glove with multiple rehabilitation postures and assisted grasping modes, which is composed of five segmented pneumatic networks (PneuNets) bidirectional bending actuators with a variable height structure. The metacarpophalangeal (MCP) joint chambers and the distal phalangeal (DIP) joint chambers are designed with a trapezoidal side profile, which enhances the reverse bending ability and can effectively expand the range of hand rehabilitation activities. In order to avoid hindering the forward bending, the chambers of the reverse bending module are designed as a triangular prism chamber. Experimental tests were performed and the results show that the soft actuator can produce a bending angle of 261° under an air pressure of 100 kPa, and can produce a fingertip force of 1.59 N under an air pressure of 130 kPa. In the rehabilitation mode, the designed soft rehabilitation gloves can help the hand to form four kinds of rehabilitation postures, namely full fist, straight fist, hook fist and table top. By ventilating different finger joints, and it can also help the fingers to stretch. Under the initial air pressure of 60 kPa, the design of the reverse bending module can increase the fingertip force of reverse bending by 40 %. In the assisted grasping mode, by adjusting the input air pressure, it can help the hand to grasp objects with cylindrical and large plane contour, which is very useful for the rehabilitation of patients with partial loss of hand function.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Sensors and Actuators A : Physical | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 0924-4247 | ||||||||
Official Date: | 1 November 2022 | ||||||||
Dates: |
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Volume: | 347 | ||||||||
Page Range: | p. 113978 | ||||||||
DOI: | 10.1016/j.sna.2022.113978 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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