Synthesis and Prototyping of a Sit-to-Stand Assisting Device

Rea, Pierluigi; Ruggiu, Maurizio; Ottaviano, Erika

doi:10.3390/machines12010033

Cited by 1 publication

(1 citation statement)

References 49 publications

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“…Rea and colleagues have designed an STS movement assistive device based on a four-bar linkage mechanism. By solving the approximate solutions for five predetermined postures, the device can accurately replicate the user's body posture during standing up, and this device can be conveniently installed onto existing seating [17]. SW-SiStA2 is an STS movement assistive device characterized by quick donning and easy doffing, using air springs as the power source to assist the lower limbs.…”

Section: Introductionmentioning

confidence: 99%

Design and Evaluation of the Sit-to-Stand Movement Assistive Device for Elderly

Xu,

Zhang,

et al. 2024

Actuators

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The act of standing up is one of the most important movements in daily life, but it often poses challenges for elderly individuals with declining physical functions. To address this issue, we have designed an assistive device for sit-to-stand (STS) movement. This device aids the upper limbs, allowing them to bear some of the weight during the STS movement, thereby improving the force distribution on the lower limbs and enhancing the stability of the body during movement. The connection to the user is very straightforward; one simply needs to place their hands and arms on the lifting mechanism to connect, and after the STS movement is completed, the user can easily disengage, making it very convenient to use. The device is compact, equipped with wheels and a handle, allowing it to be flexibly moved and used in confined spaces such as bedrooms, bathrooms, and balconies. ADAMS-LifeMOD simulations indicate that the use of the STS movement assistive device can significantly improve the force distribution across the joints of the lower limbs and reduce the pressure on the soles of the feet against the ground. Subsequently, a prototype was built, and four volunteers were invited to conduct further experimental validation, comparing the changes in plantar pressure during the STS movement with and without the assistive device, as well as the subjective feelings of the users. The experimental results demonstrate that the device can effectively help users to stand up more easily.

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Section: Introductionmentioning

confidence: 99%