SARMA in Sri Lanka - SOLIDIFIERS

Created Date: 2025-02-21/ updated date: 2025-02-24
    Owner & Collaborators
    License
    SARMA in Sri Lanka - SOLIDIFIERS by FablabShinagawa, Ashini, Melan, FrostLynxen, PubuduSangeeth, Esana is licensed under the Creative Commons - Attribution license.
    Summary
    A portable armrest adaptation for any chair, providing ergonomic support for individuals with scoliosis. Light weight, adjustable and easy to attach, ensuring comfort and posture support anywhere.

    Materials

      Tools

        Blueprints

          Making

          • State 01 : - Interview with Need Knowers

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            About the Need Knower
            • Name : Thesath Randira 
            • Age : 6 years
            • Language : Sinhala
            • Studies : Currently studies in grade 2 _ main stream education

            Comments

              • Interest / Strengths

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                • Can Independently use his wheelchair.
                • He actively participates in classroom activities.
                • Additionally , he enjoys spending time with his mother.

                Comments

                • Physical Characteristics

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                  • Self propel wheel chair -  indoor / outdoor
                  • Lateral balance is limited in right side of body.
                  • Transferring from wheel chair is dependent
                  • Has sitting balance with back rest and arm rest.
                  • Actively participate in school activities using wheel chair.

                  Comments

                  • Desired Need

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                    • Thesath is unable to use his wheelchair due to transportation difficulties and lack of adjustability.
                    • Type of need: A portable armrest adoption for any chair.

                    Comments

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                  • State 04 :- Concept Development and Refinement

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                    Comments

                      • Target Activity

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                        Creating a portable right hand side lateral support which can be implemented with any chair or seating arrangement the need knowers is seated on.

                        Comments

                        • How it accomplish

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                          Designing and fabricating the lateral support so it can easily attach to any chair and slide smoothly for the perfect fit and comfort..

                          Comments

                          • When & Where

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                            When 
                            All the time that not using current wheelchair this assistive device can be used for need knower's work.

                            Where
                            Any place where there's a single seat that is appropriate for Thesath's body size.

                            Comments

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                          • State 05 : - Sketches

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                            Comments

                              • Sketch

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                                In designing a portable right-hand side lateral support, our objective is to develop a versatile attachment that seamlessly adapts to various seating arrangements, ensuring consistent stability across different environments and image showcases the sketch of our innovative concept for identification.

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                              • State 06 :- Prototyping 01

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                                Comments

                                  • Lateral Support

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                                    Supports Master Thesath to stay upright without limiting the mobility of his right hand 

                                    Comments

                                    • Clamps and Spacers

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                                      Grips the chair regardless the surface texture or the inclination of the seating arrangement (Uses TPU bumpers for better gripping)

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                                      • Finite Element Analysis

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                                        The first image displays the stress analysis of the lateral support design, while the second and third images show the deformations of the bumpers.

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                                      • State 07 :- Prototyping 02

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                                        • State 08 - An additional design based on observations

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                                          A medical thigh support to keep Thesath’s legs apart when seated.

                                          Comments

                                            • Version 01

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                                              As an additional attachment for the single-seated chair, we designed a thigh support specifically tailored for Master Thesath. This support enhances comfort and stability, ensuring a better seating experience while addressing his unique needs.

                                              Comments

                                              • Version 02

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                                                Optimized the version 01 of the leg separate to reduce the material usage and time consuming in the printing

                                                Comments

                                                • Version 03

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                                                  Addressing the limitations of Prototypes 1 and 2, we designed this model to provide enhanced comfort for Thesath’s thighs while reducing material usage and printing time. This improved model includes a belt to securely attach the thigh supporter to the chair, ensuring both stability and ease of use.

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                                                • Future Prospect(s)

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                                                  Flexible TPU Clamp Design – New fully flexible TPU clamp design improves the adaptability to the surface or the inclination of the seating arrangement.

                                                  • Address the limitations of prototype 02
                                                  • Reduce the material usage.
                                                  • Improve flexibility.
                                                  • Implemented a more flexible and ergonomic design

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                                                    References

                                                      Usages

                                                      • The design provides essential support to help the user sit upright in any single-seated chair, ensuring comfort and proper posture.

                                                      Project comments

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