The ProHand Way Prothetic
Key Features of the hand:
- A flex and release mechanism, of which at least the flex mechanism is controlled by a human act.
- Strength enough to press down a key on the keyboard.
- A tip that is precise enough to select one key at a time
- Able to use a touch screen device including Apple Devices
- Able to hold a pen for writing
- Keeping it at or below the weight of an actual hand
- Affordable
- Biodegradable/Degradable
- Finger and thumb tips are slightly elastic material for better grip
- Tendons are on the inside of the hand
- Realistic appearance
- Heat detector features
- Robust and durable
Compared to other commercially available or other 3D printed models this hand was designed and modified to:
- Keep the number of printed parts as low as possible
- Keep the assembly process as simple as possible
- Use the least possible amount of non-printable parts
- Leave openings in the model for ventilation
- Have two version, one without thumb for those who have their own and full hand.
- Fingers bend by human input and extend back automatically
- Velcro will be needed to attach the prosthetic to the wrist
- Design is based on various existing hands but modified to specification
- PLA (Polylactic Acid) (C3H4O2) Filament is made from cornstarch or sugarcane, so it’s biodegradable or at least degradable.
Where would you need it and who needs it?
- War torn countries
- Thousands of amputees each year need prosthetics
- Upper limb prosthetics are more difficult and costly than lower limbs due to complexity
- Prosthetics give you confidence
- Some advanced models cost more than £100.000!!!
- This model is way below £50
- Low maintenance
- No batteries or similar
- All parts are easily available
- Parts can be replaced
The ProHand Way 