MARKET DEMANDS / PERFORMANCE CRITERIA
Minimum Requirements:
- Prosthetic can’t be manipulated by other hand
- Below-elbow attachment
- Cost below $250
- Max mass of 750g
Market Demands / Criteria (select at least 3)
- Aesthetics
- Hand resembles a human hand
- Full credit: 4 fingers and thumb; skin tone matches client; feels like skin
- Lift Strength
- Test by lifting a bucket of sand
- Full credit: 10lbs/4.535kg
- Twist Dexterity
- Full credit: Twist screw into a nut, twist a Gatorade bottle cap onto a bottle, and turn a door knob
- Grip Strength
- Full credit: Pick up and hold water bottle (32 oz) and wood/brick object
- Fine Motor/Pinch Dexterity
- Full credit: Pick up #6 screw and marble
- Optional/Bonus:
- recycled/repurposed material
- Ability to expand/grow (to fit progression of ages)