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Prosthetic Elbow Joint Essay

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Recommended: A brief history of prosthetics

Chapter 1 INTRODUCTION 1.1 Feedback Control of a Prosthetic Elbow Joint: Amputation is taken from the Latin terminology ‘amputare’ meaning to cut out .It is basically a removal of a limb due to medical reasons such as diseases, accidents etc . After this an artificial device (Prosthetics) is provided to fulfill all the desirable needs. Prosthesis is an artificial device that replaces a missing body part which may be lost due any traumatic accidents or medical reasons. In the 19th Century hooks and wooden limbs were used as replacement to fulfill the supporting needs to overcome support as well as the psychological effects experienced during time . Prosthetic Arm is a biomedical device consisting of levers, links, and joints in an open or closed system, which is also a combination of electronics. Thus a need for a specified prosthetic which would help in fulfilling the requirements of the patient . Prosthetics also come under different categories with respect to the patient’s demand and desirable need. 1.1.1 Cosmetics Prosthesis: This type of Prosthesis mainly deals with the physical appearance rather than the functional aspect. It is satisfied with skin color of patient. Figure 1.1.1: Cosmetic Prosthesis 1.1.2 Body …show more content…

These designs vary depending upon the intended use of the hand. A variety of different actuation methods have been used. Previous robotic arm designs have focused on the mechanical issues of the construction and operation of the prosthesis. Most prostheses are controlled using methods that are not intuitive, such as using the contraction of muscles of the opposite arm. No project has been identified that investigates the feedback control of prostheses from the body’s neural network, which is a more natural control. This project attempts to lay the foundation for an arm that can mimic the human arm, with an intuitive method of

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Amanda Kitts is a great example “The assembly is topped by a white plastic cup midway up Kitts’s biceps, encircling a stump that is almost all that remains from the arm she lost in a car accident in 2006.” Due to the car accident in 2006, Kitt has an arm with “… flesh-colored plastic…underneath are three motors, a metal frame, and a network of sophisticated electronics.” Although, Kevin wasn’t in a car accident he still uses bionic parts for his legs and arms. “…little Freak showed up one day with these shiny braces strapped to his crooked legs, metal tubes right up to his hips, why those were even more cool than crutches.” This quote directly from “Freak the Mighty” (pg. 12) proves that Freak has similar problems.

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Evolution - the gradual adapting and changing process that humans go through. Looking back from the past, now in the present, and into the future it is easy to see the we as humans have always and always will feel the need to adapt to our surrounding in order to survive. It is apart of what makes us human. In Juan Enriquez presentation over “What humans will look like in the next 100 year,” he explains this need for advancement through the use of prosthetics; saying that to some people they are a need, but with certain advancements they are becoming more of a want. The human race feels the push to advance in order to survive thus pushing us to view prosthetics as a way to change fundamental aspects of humanity.

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But wait there 's one more, the Cosmetic prostheses do not improve function, but are used to improve a person 's appearance after the loss of a body part. These include ocular prostheses -- artificial eyes -- and silicone hands, fingers, feet and toes. People with prosthetic legs can often climb stairs, walk, swim, and run as if h they were using natural limbs, while prosthetic arms and hands have advanced to the point where they give the individual control of all five fingers. If this is what scientists and doctors have accomplished in the past 50 years, it is difficult to imagine how much technology will improve within the

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