Final Product
Results:
Idea 1
Conclusion:
What does this mean for a person without a hand?
- For a kid, this might mean to be able to ride a bike, or simply hold a pencil or even a cup.
- For an adult, their opportunity to get a job increases, they can now carry light weight objects with two hands.
Results:
- In contrast to my first design, the second hand is design to rely on wrist movement.
- The fingers in the second design were able to move efficiently.
Materials
Prosthetic hands:
Procedures
Functionality
Customized healthcare is extremely expensive, making them less available for amputees.
What is the problem?
- Design relies on wrist movement.
- Downward motion creates Cable Tension,which closes the fingers.
- A move upward opens them.
1 – 3/4″ hardwood dowel
1- 4″ x 1″ Pine plank
5 – bags of #216-1/2 small screw eyes (eyelets)
1 – roll of braided nylon string
1 – bag of 1/4″ wide rubber bands
1 – cup hook (open eyelet)
2 – 3/4″ sheet rock screws
Springs
- Prosthetic hands are valuable to amputees because it allows them to regain movement.
- Due to the fact that prosthetic hands are needed in today's society, many designs have been developed throughout the years.
Statistics
New Design:
- Included a wrist
- More movement in the fingers
54% Caused by Diabetes
44% Caused by Trauma
>2% Caused by Cancer
10 MILLION PEOPLE IN THE WORLD WITHOUT A LIMB
The average cost of a high-tech prosthetic is:
$5,000 - $50,000
4-5 Years of Wear
30%
Hand Amputees
The problems with the first hand:
The Hand
Prosthesis
The hand is an amazing addition to our body that allows us to perform movements.
Prosthesis is an artificial device that replaces a missing body part.
Prototype
How do we solve
this problem?
Science Fair- Building a Prosthetic Hand
Jazmin Baez
Ms. Basualdo
Period 4
January 22, 2015