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Presented by Jason Ma Mockup Review
A Description: crutch design to improve stability when ascending and - - PowerPoint PPT Presentation
A Description: crutch design to improve stability when ascending and - - PowerPoint PPT Presentation
Presented by Jason Ma Mockup Review A Description: crutch design to improve stability when ascending and descending stairs Customer: short-term injury crutch users Market: assistive rehabilitation products Proposed Cost: $30 Product Overview A
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Product Overview
Description: crutch design to improve stability when ascending and descending stairs Customer: short-term injury crutch users Market: assistive rehabilitation products Proposed Cost: $30
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User Needs
Customer Need Product Attribute Engineering Specification
Balance
Weight distribution between the two crutches
40%-60% of user’s total weight per crutch
Feels Safe
Leaning angle
<5°
Easy to Use
Added mass Added volume
<2.5 kg <0.03 m3
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Key Question
Does the Stable Crutch provide significant support in the user’s direct line of motion when climbing and going down stairs?
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Product Design
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User Testing
Normal Crutch Stable Crutch
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Key Findings
rigid compliant
When descending, users felt more stable with either attachment. Specific preference was evenly split between the two configurations.
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Key Findings
rigid compliant
The attachments did not significantly change the experience
- f climbing up stairs.
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Key Findings
Normal Crutch Stable Crutch
3° 9°
Stable Crutch introduces a safer way to descend stairs. Leaning angle decreased by triple.
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