Monday, December 7, 2009

Prosthetic Device

What is prosthetic device?

Prosthetic device is an artifical supporting device that is attached to human body. This is maily used for people who are missing a body part - and these devices function just as these body parts. For example, even if a person is missing an arm, they can attach prosthetic devices onto themselve - just as the picture below.. In this way, it reduces the inconvenience of the patient. In addition, these devices are also used for people who are injured. These may include heart simulation, hand, and limbs.



http://www.boston.com/sports/marathon/articles/2009/04/19/disabled_veterans_take_on_marathon_challenge/

This article talks about a disable person who will attempt to complete a "marathon" race by using prosthetic legs. He mentions that this is a very challenging thing to do, however, he is still confident can trust the device.

IT system used

- Software must be reliable and bug free
- Expert system and artificial intelligence
- Sensors
- Wirelss, infrared, bluetoothe
- User friendly
- Users must be trained to use them

Advantages

- Provide flexibility and convinience in life for users who have missing body parts. They can use their body just as an ordinary people can.
- Supports and aids user's life

Disadvantages and issues

- Reliablitiy: The hardware must be reliable so that the users do not need to worry about the functions. The prosthetic device must consistently do what is commanded. If there are some bugs or errors in the command, this may lead to disasterous situations to the user.
- There may be economical issues of cost. Not every users can afford this expensive device.
- Equality of access: Not every people in the world can use this device. People who can afford the cost can only have access to this device.
- There are some questions about the safety of the devices.
- People an machines: If these devices take place over many works that humans usually do, users will be overdependent on these devices.

This video talks about a user having pain in his leg when using the prosthetic legs. According to this video, these pains are still one of the issues that must be improved in the future. Please watch this video because it also talks about the mirror therapy which is very INTERESTING.
http://www.youtube.com/watch?v=YL_6OMPywnQ

Bibliography
http://en.wikipedia.org/wiki/Artificial_limb
http://en.wikipedia.org/wiki/Prosthesis
http://airex.tksc.jaxa.jp/pl/dr/19960033280

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