PERANCANGAN PERBAIKAN SENDI LUTUT PROSTESIS YAYASAN KREATIVITAS DIFABEL MANDIRI
The Convention on the Rights of Persons with Disabilities ensures the availability of high-quality, affordable assistive devices and the entities that produce assistive devices to help the mobility of people with disabilities. One of the entities that produces affordable assistive devices is Yaya...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/71486 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | The Convention on the Rights of Persons with Disabilities ensures the availability
of high-quality, affordable assistive devices and the entities that produce assistive
devices to help the mobility of people with disabilities. One of the entities that
produces affordable assistive devices is Yayasan Kreativitas Difabel Mandiri
(YKDM). Initial observations of prosthetic legs showed that there are some issues
with the prosthetic legs, including causing back pain and lack of safety. This
research aims to develop the design of the knee joint of YKDM's prosthetic leg in
order to improve the product's quality and user's the quality of life. Thus, user needs
and knee joint design requirements were identified, improved knee joint was
designed, prototypes, prototype was tested, and potential prototype improvements
was identified in order to achieve the goal of this research.
This research was using Design Thinking as its methodology. User needs were
obtained using interviews and observations. Ease-impact matrix was used for
choosing product concepts. Prototype were produced and tested on users based on
the QEHFT questionnaire. Testing was documented in an empathy map. Feedback
from testing was used to improve prototypes.
Interviews showed that users need a prosthetic leg that is affordable, reliable,
widely available raw materials, locks in stance phase, comfortable, mimics normal
leg movement, and is easy to produce. Due to these needs, knee joint design requires
a single axis type joint, a brake mechanism, a swing control gas spring, and UCBerkeley
bench alignment system. The final prototype has almost reached the
performance desired by the user, but improvements are still needed. Further
improvements that can be made: the use of custom gas springs to reduce the
maximum load and accelerate extension movement.
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