lower leg prosthesis for nordic skiing skate ......lower leg prosthesis for nordic skiing skate...
TRANSCRIPT
![Page 1: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/1.jpg)
LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE
–FROM PROTOTYPE TO PRODUCTION
Tommy Mellberg1, Per Skoglund1, Robert Isaksson1, Bengt-Åke Fastesson2, Jonas Danvind1, 3
1. Mid Sweden University, Östersund, Sweden2. MA Nordic, Östersund, Sweden
3. The Swedish Sports Organization for the Disabled and The Swedish Paralympic Committee
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• 16 000 students and 1000 employees
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OBJECTIVE
• Develop a lower leg Nordic skiing prosthesis for skate technique.
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THE ”NUCM VINTERIDROTT” PROJECT
”National Development Centre Mid Sweden –Winter sports for people with a disability”
• Availability and Facilities
• Education and Knowledge
• Equipment
Future: Sweden4all
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OLD PROSTHESIS
asdf
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 7: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/7.jpg)
DESIGN CRITERIA
1) adjustable inversion-eversion angle of the ankle
2) restricted flexion-extension angle of the ankle
3) adjustable attachment of lower part
4) ordinary binding system (first Rottefella NNN, then
Salomon SNS)
5) adjustable rotation angle
![Page 8: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/8.jpg)
Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 9: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/9.jpg)
BRAIN-STORMING
Anders Lindblom
Engineering in Sports
Tommy Mellberg
Engineering in Sports
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 11: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/11.jpg)
Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 12: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/12.jpg)
CONCEPTS
Software:
SolidWorks
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 14: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/14.jpg)
SKETCHES
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 16: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/16.jpg)
FEM CALCULATIONS
Software:
SolidWorks
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 18: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/18.jpg)
FREE-FORM FABRICATION
Objet Eden 260V Arcam
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PLASTIC PROTOTYPE
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TITANIUM PROTOTYPE
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Design Criteria
Brain-storming
Concepts
Sketches
FEM
Prototype
Field test
Design data
![Page 22: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/22.jpg)
DESIGN CRITERIA, TI PROTOTYPE
1) adjustable inversion-eversion angle of the ankle
2) restricted flexion-extension angle of the ankle
3) adjustable attachment of lower part
4) ordinary binding system (Rottefella NNN)
5) adjustable rotation angle
6) low cost
7) rigid (athlete’s perception)
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Sketches
Prototype II
Field test
Final product
Further development�
Manufacturing
competence
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DESIGN CRITERIA , TI PROTOTYPE
1) adjustable inversion-eversion angle of the ankle
2) restricted flexion-extension angle of the ankle
3) adjustable attachment of lower part
4) ordinary binding system (Rottefella NNN)
5) adjustable rotation angle
6) low cost
![Page 26: LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE ......LOWER LEG PROSTHESIS FOR NORDIC SKIING SKATE TECHNIQUE –FROM PROTOTYPE TO PRODUCTION Tommy Mellberg 1, Per Skoglund 1, Robert Isaksson](https://reader035.vdocuments.net/reader035/viewer/2022071112/5fe8c806f281074f0827e0c7/html5/thumbnails/26.jpg)
DESIGN CRITERIA, FINAL
1) adjustable inversion-eversion angle of the ankle
2) restricted flexion-extension angle of the ankle
3) adjustable attachment of lower part
4) ordinary binding system
5) adjustable rotation angle
6) low cost
7) rigid (athlete’s perception)
(Salomon SNS)
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FUTURE DEVELOPMENT
Make the product available to the market
Continuous improvements (construction, weight, cost)
Development of prosthesis for classical skiing
Adopt to skates and in-lines
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Helene Ripa
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