Prosthetic hand for swimming-Team II

Rajarshi-Design LeadFrank-Analysis LeadTim-Manager & Communication OfficerSam-Fiscal & Testing Officer

Case scenarioThese folks with amputated arms love swimming just as much as other

swimmers.

Potential Design SolutionsDesign 2

Design 1 Design 3

Constraints and CriteriaConstraints

● Designed for free-style swimming.

● Be around 2.3% of human weight[5].

● Density should be near to water.

● Should not rust or react chemically with salt or

chlorinated water.

● Manufacturing must cost less than $100.

Criteria● Easy to be installed and uninstalled so that it can

be done by one hand.

● Efficient to use, not waste any power. Should be

curved to a certain degree.

● Should be able to be manufactured easily.

● The contact surface with skin should use elastic

material.

● The forces exerted by each hand on the water

should be equivalent.

Pairwise chart

Decision Matrix

Design 1 - The Chosen Design

Attachments

Proposed Tests

Resulting speed per stroke (m/s) relative to the average speed.

Time to put on and remove the prosthetic (seconds).Buoyancy of the prosthetic in chlorinated water (cm below

the surface)

Bibliography

1. “theivorlegov1,” Pinterest. [Online]. Available: https://www.pinterest.com/pin/561401909779453380/. [Accessed: 08-Aug-2016].

2. “Amputee Sports,” Pinterest. [Online]. Available: https://www.pinterest.com/pin/543668986247948599/. [Accessed: 08-Aug-2016].

3. “Tumblr,” Pinterest. [Online]. Available: https://www.pinterest.com/pin/561401909781071493/. [Accessed: 08-Aug-2016].

4. “Prosthetic Arms for Swimming and Cycling,” - bespoken. [Online]. Available: http://www.bespoken.me/forum/topics/prosthetic-arms-for-swimming-and-cycling. [Accessed: 08-Aug-2016].

5. “Body Segment Data,” Body Segment Data. [Online]. Available:

http://www.exrx.net/kinesiology/segments.html. [Accessed: 27-Jul-2016].

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