http://www.youtube.com/watch?v=UXheUzoCciw (0:00 – 0:38)

Transtibial Prosthetics for

Developing Countries

A Comparative Analysis with the 2ft Prosthetic Foot

Background Info• There is a Need!

o Huge demand due to land mines and diseaseo Most cannot receive prostheticso Prosthetics that are available are not meeting needs

• BYU 2ft Prostheticso Designed a prosthetic to address the needs that aren’t being meto Competitive with current prosthetic market

• Purpose: To Evaluate the 2ft Prosthetic Foot1. Establish Needs of Amputees2. Compare Current Market and 2ft Prosthetics3. Recommend Best Option

Before We Begin…General Needs of a “Developing Country”

o Large rural population o Low per capita incomeo Health care unable to meet

needs

Transtibial Prosthetic“Below-the-Knee”

Socket

Component

Foot

Needs of Developing Countries

4. Durabilityo Unpaved pathso Environmental conditionso Sturdy materials

5. Cleanliness and Comforto Prevent infection/funguso Protect limb o Allow hard work for long

periods of time

1. Costo Family annual income $200-

300o Their $40 = Our $20,000

2. Availabilityo Product availabilityo Clinic/tool availability

3. Functionality and Aestheticso Put back to rural worko Act as a normal footo Prevent “partial human”

treatment

Current Prosthetic Market

Peg Leg PVC/wooden

foot

Jaipur foot

Monolimb/ SACH foot2ft Prosthetic

foot

Peg Leg Advantageso Cheap, local materialso Very simple designo Easy to replace

Disadvantageso Poor functionalityo Poor aesthetico Not very durableo Uncomfortableo Hard to clean plaster

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

Peg Leg 10 10 3 3 2 28

PVC/Wooden Foot Advantageso Cheap, local materialso Fairly simple designo Somewhat easy to replaceo Some surface area

Disadvantageso Wood degrade and breako Not very durableo Uncomfortable o Hard to clean plaster

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

PVC/wood 8 8 5 4 3 28

Jaipur Foot Advantageso Very functionalo Smootho Human looko Durableo Comfortable

Disadvantageso Expensiveo Specially trained and

equipped clinicso Complicated design

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

Jaipur 2 5 10 8 8 33

Monolimb with SACH Foot

Advantageso Fair functionalityo Looks fairly humano Quick manufacturingo Durable plastic

Disadvantageso Expensiveo Special equipmento Heat damageo SACH foot is not very

functional

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

Monolimb 1 4 7 6 6 24

2ft Prosthetic Foot

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

2ft

Prosthetic6 7 8 8 9 38

http://www.youtube.com/watch?v=4RDSeAeQ614 (2:27 – 2:59)

2ft Prosthetic Foot Advantageso Cheap, local materialso Simple design, easy to

makeo Functionalo Biomechanics like footo Durableo Clean

Disadvantageso Moderate costo Require some trainingo Doesn’t look very human

  Cost Availability

Functionali

ty/

Aesthetics

Durability

Cleanliness

/

Comfort

Total

2ft

Prosthetic6 7 8 8 9 38

Peg Leg PVC/wood Jaipur Monolimb 2ft. Prosthetic0

5

10

15

20

25

30

35

40

Total Score

Peg Leg PVC/wood Jaipur Monolimb 2ft. Prosthetic0

1

2

3

4

5

6

7

8

9

10

Cost

Availability

Functionality

Durability

Cleanliness

Score of Each Criteria

Conclusion2ft Prosthetic design is well-rounded, simple, and affordable.

This can be the difference between a sedentary and solitary life, and an active and fulfilling one.

This reflects the heart of the 2ft Prosthetic mantra, which is “Bringing hope to amputees, one leg at a time.”

Current Prosthetic Market

Peg Leg PVC/wooden

foot

Jaipur foot

Monolimb/ SACH foot2ft Prosthetic

foot

Thank You! Questions?