Study On Optimal Design Of Comfort Of Stroke Rehabilitation Gloves

In recent years,stroke as a harmful type of cardiovascular disease,the incidence of stroke in China has increased year by year in an explosive state.More than 80% of people with stroke incidence initially have upper limb dysfunction,especially hand dysfunction.The clinical rehabilitation treatment of hand dysfunction is mainly carried out by rehabilitation physicians to help patients carry out forced exercise training,task training,etc.,in addition to some advanced rehabilitation equipment,such as brain-computer interface,virtual reality,hand rehabilitation robot,etc.Among them,hand rehabilitation robots are widely used,and the current research of hand rehabilitation robots is more inclined to control algorithms,product hardware,etc.,ignoring the research on comfort of use,and the domestic market has fewer types of hand rehabilitation products,single form,and needs more novel and comfortable experience products to enrich the market.This paper aims to apply the theory of product comfort design method to the design of hand rehabilitation products for stroke patients in Brunnstrom stage I.-II.during the hand rehabilitation period,and to optimize the comfort design on the basis of the original tendon-driven rehabilitation gloves prototype,so as to improve the user experience and enrich the hand rehabilitation product market.This study analyzes and reviews the literature research of hand rehabilitation robots at home and abroad,and investigates and analyzes the mainstream hand rehabilitation products in the current domestic and foreign markets.Then,through questionnaire research method,interview method and field research method,patients and rehabilitation doctors were investigated to obtain relevant data of hand rehabilitation,combined with the analysis of physiological and psychological characteristics of stroke patients,and summarized the real demand of stroke patients for hand rehabilitation products.Through the analysis and research of the existing comfort theory model,the influencing factors of comfort of rehabilitation gloves are analyzed,and the comfort design process of hand rehabilitation products is proposed.Taking tendon-driven rehabilitation gloves as the object,a comfort evaluation system based on stress test was constructed,and finger simulation tests and hand stress tests were carried out,and the influence of finger sleeves of tendon-driven rehabilitation gloves on finger pressure comfort and the pressure distribution of human hands during use were obtained,and the subsequent design was guided.Finally,the tendon-driven rehabilitation gloves are used as the design practice,and the user needs are transformed into four functions of movement,control,display and adjustment according to the results of user research,and the four functions are mapped into product structure through the FBS model,and the structural framework of the optimal design of rehabilitation gloves is obtained.According to the simulation experiment,pressure distribution experiment and the subjective evaluation results of the prototype,the optimization design principles were summarized,and the design optimization scheme of the motion structure,control and realistic structure and wearable structure of the rehabilitation gloves was respectively,and the comfort optimization scheme was designed by three-dimensional modeling and rendering of the final deepening scheme.Through the comfort evaluation system,the effectiveness of comfort optimization is verified by combining simulation experiments and subjective evaluation experiments,which provides a reference for the comfort design of tendon-driven rehabilitation gloves.The innovation point of this study is to propose the comfort design process of hand rehabilitation products based on the product comfort theory,and the comfort evaluation system of tendon-driven rehabilitation gloves is constructed through finite element simulation method and hand stress test,which improves the comfort of tendon-driven rehabilitation gloves by optimizing the design process,and provides theoretical support and method guidance for the comfort design of related rehabilitation products.