Prosthetic Arm

prosthetic arm

ABOUT OUR PROSTHETIC ARM PROJECT

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Our Work

2020 - Present

Even though governments financially support people who are in need of prosthetics, the extremely high prices of these products is a crucial problem all around the world. Therefore, our main goal with this project was to build a more affordable and functional prosthetic arm in order to help the ones in need. While the aim is to make the final product cheaper, the design will be able to complete almost every task that a commercially available prosthetic arm would be able to complete. The final product will be for patients that have been through shoulder disarticulation; however, to develop the mechanisms and come up with the perfect design, the first prototype is planned to be for patients that have been through transradial amputation. The designed prosthetic arm will be controlled by both the data collected from the muscle movements on the patient’s arm, and with the usage of some manually controlled components.

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While the goal is to control the movements of the arm using the internal sensors, the details of these motions will be determined manually. Consequently, the patient will be able to overcome many obstacles which are commonly faced in their lives, using this prosthetic arm.  In order to obtain data from the patient’s muscle movements and provide joint-like movements, flex sensors will be used in the prosthetic arm. The power required for these movements will be supplied by Servo Motors which will be carefully placed inside the main structure of the arm. 

Arduino will be the main programming language used to program the prosthetic, and for the electronic components we plan to use PCBs that we will design according to our own needs. In addition to the mechanical and programming segments of this design, the patient’s comfort is also extremely important. Thus, the goal is to create a prosthetic arm that the patients can use without hesitation. For this purpose, the part that will be in contact with the patient’s skin will not corrode the skin, sensitize the skin, cause the user to sweat or harm the wound.Additionally, the prosthetic arm’s size will be adjustable to the user’s arm. For the outer surface of the prosthetic, it is planned to use a special coating that will not harm the patient’s skin in any way. Studies on this coating will continue as well. Currently, researches are being made about the mechanical systems and sensors of the prosthetic in order to finalize the design that will be used. 

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