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Design journey of an affordable manual standing wheelchair

SHAIKH-MOHAMMED, Javeed
DASH, Swostik Sourav
SARDA, Vivek
SUJATHA, S
2021

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Purpose: Only 1 in 10 people with disabilities can access assistive devices, underlining the critical need for low-cost assistive products. This paper describes the design evolution of a manual user-operated standing wheelchair (SWC), translating from prototype to product.


Methods: The SWC design has been refined over 5 years through multiple iterations based on comments from user trials. The SWC product, Arise, provides standing functionality, facile outdoor mobility, afford- ability, customisability, and is aesthetically pleasing. A one-time fitting and training ensure optimal effort for operation, correct posture, and comfortable user experience. The SWC accommodates users of differ- ent sizes and body weights (up to 110kg) and minimises user effort with the use of a gas spring. Incorporating discrete adjustments enables customisation while retaining the advantages of mass manu- facturing, which is necessary for ensuring affordability.

 

Results: The SWC has been field-tested and well received by over 100 wheelchair users, and Arise was launched recently by the industry partner.


Conclusions: It should be noted that RESNA cautions on the use of any standing device without medical consultation. Nevertheless, with appropriate dissemination and awareness, it is anticipated that the afford- able SWC product, Arise, will immensely benefit the eligible users and make a difference in their quality of life.

Novel lateral transfer assist robot decreases the difficulty of transfer in post-stroke hemiparesis patients: a pilot study

KOYAMA, Soichiro
TANABE, Shigeo
OTAKA, Yohei
KATO, Tomoya
FURUZAWA, Shotaro
TATEMOTO, Tsuyoshi
KUMAZAWA, Nobuhiro
YOSHIMUTA, Hiroshi
TORII, Katsuhiko
TSUKADA, Shingo
SAITOH, Eiichi
et al
2020

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Purpose

The purpose of this study was to clarify whether the novel lateral transfer assist robot facilitates easier transfers compared with a wheelchair in post-stroke hemiparesis patients.

 

Methods

This cross-sectional study enrolled 20 post-stroke hemiparesis patients, and the task difficulty of transfers was compared between a wheelchair and lateral transfer assist robot. All participants were asked to transfer from either wheelchair or lateral transfer assist robot to a platform table and back. The primary outcome was the transfer score of the Functional Independence Measure. The secondary outcome was the time required for transfer.

 

Results

The transfer score of the Functional Independence Measure was significantly higher with lateral transfer assist robot than with wheelchair (p < .001). The transfer times from these devices to a platform table and back showed no significant differences (to device from platform table: 7.8 s, lateral transfer assist robot vs 7.6 s, wheelchair, p > .05: device to platform table: 7.1 s, lateral transfer assist robot vs 8.0 s, wheelchair, p > .05).

 

Conclusions

Transfer with a lateral transfer assist robot is easier than with wheelchair and facilitates independence in post-stroke hemiparesis patients.

Development of the Wheelchair Interface Questionnaire and initial face and content validity

RISPIN, Karen
DAVIS, Abigail B.
SCHEAFER, Vicki L
WEE, Joy
2019

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Background: Because resources are limited in low- and middle-income countries (LMIC), the development of outcome measures is of interest. Wheelchair outcome measures are useful to support evidence-based practice in wheelchair provision.

 

Objectives: The Wheelchair Interface Questionnaire (WIQ) is being developed to provide a professional perspective on the quality of the interface between a wheelchair and its user. This article discusses the development of the WIQ and its face and content validity.

 

Method: During field studies in Kenya, we sought to include professional report data on the wheelchair–user interface that could be analysed to inform design changes. None of the existing measures was focused on the interface between users and their wheelchairs. The WIQ was developed to meet this need. To investigate face and content validity, 24 experienced wheelchair professionals participated in a study that included two rounds of an online survey and a focus group in Kenya.

 

Results: Responses were categorised by topic and the WIQ was modified following each iteration. Participants affirmed the usefulness of a brief professional report measure to provide a snapshot of the user–wheelchair interface. Participants emphasised the importance of brevity, wide applicability and provision of specific feedback for wheelchair modification or design changes. The focus group agreed that the final version provided useful data and was applicable to virtually all wheelchair users in LMIC.

 

Conclusion: These preliminary studies indicate initial face and content validity of the WIQ as a method for providing a professional perspective on the interface between a user and his or her wheelchair.

 

African Journal of Disability, Vol 8, 2019

From individual innovation to global impact: the Global Cooperation on Assistive Technology (GATE) innovation snapshot as a method for sharing and scaling

LAYTON, Natasha
MURPHY, Caitlin
BELL, Diane
2018

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Assistive technology (AT) is an essential facilitator of independence and participation, both for people living with the effects of disability and/or non-communicable disease, as well as people aging with resultant functional decline. The World Health Organization (WHO) recognizes the substantial gap between the need for and provision of AT and is leading change through the Global Cooperation on Assistive Technology (GATE) initiative. Showcasing innovations gathered from 92 global researchers, innovators, users and educators of AT through the WHO GREAT Summit, this article provides an analysis of ideas and actions on a range of dimensions in order to provide a global overview of AT innovation. The accessible method used to capture and showcase this data is presented and critiqued, concluding that “innovation snapshots” are a rapid and concise strategy to capture and showcase AT innovation and to foster global collaboration.

Graduates’ perceptions of prosthetic and orthotic education and clinical practice in Tanzania and Malawi

MAGNUSSON, Lina
SHANGALI, Harold G
AHLSTRÖM, Gerd
2016

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Background: Maintaining and improving the quality of prosthetics and orthotics education at the Tanzania Training Centre for Orthopaedic Technologists is essential for the provision of appropriate prosthetics and orthotics services in African countries.

 

Objectives: To describe how Tanzanian and Malawian graduates’ of the Diploma in Orthopaedic Technology perceive their education and how it could be improved or supplemented to facilitate clinical practice of graduates.

 

Methods: Nineteen graduates from the diploma course in orthopaedic technology were interviewed and phenomenographic analysis was applied to the data.

 

Results: Seven descriptive categories emerged, namely varied awareness of the profession before starting education, well-equipped teaching facilities, aspects lacking in the learning context, need for changes in the curriculum, enabling people to walk is motivating, obstacles in working conditions and the need for continuous professional development. All participants perceived possible improvements to the content and learning environment.

 

Conclusions: Prosthetic and orthotic education can be better provided by modifying the content of the diploma programme by dedicating more time to the clinical management of different patient groups and applied biomechanics as well as reducing the programme content focusing on technical aspects of prosthetic and orthotic practice. Graduates were not prepared for the rural working conditions and the graduates desired continued training.

Use of consumer wireless devices by South Africans with severe communication disability

BORNMAN, Juan
BRYEN, Diane Nelson
MOOLMAN, Enid
MORRIS, John
2016

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Background: Advancements in wireless technology (e.g. cell phones and tablets) have opened new communication opportunities and environments for individuals with severe communication disabilities. The advancement of these technologies poses challenges to ensuring that these individuals enjoy equal access to this increasingly essential technology. However, a paucity of research exists.

 

Objectives: To describe the nature and frequency with which South African adults with severe communication disabilities have access to and use wireless devices, as well as the types of activities for which wireless devices are used.

 

Method: Survey research was conducted with 30 individuals who use augmentative and alternative communication (AAC) technology using the Survey of User Needs Questionnaire developed in the United States, and localized to the South African context.

 

Results: All participants, despite their limited education, unemployment and low economic status, owned and/or used mainstream wireless devices. Slightly more than half of the participants (53.3%) needed adaptations to their wireless devices. Advantages of using wireless devices were highlighted, including connecting with others (through using text messaging, social networking, making plans with others, sharing photos and videos with friends), for leisure activities (e.g. listening to music, watching videos, playing games), and for safety purposes (e.g. to navigate when lost, using the device when in trouble and needing immediate assistance).

 

Conclusion: These wireless devices offer substantial benefits and opportunities to individuals with disabilities who rely on AAC in terms of independence, social participation, education and safety/security. However, they still do not enjoy equal opportunity to access and use wireless devices relative to the non-disabled population.

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