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About Me

I am a currently studying Electrical Engineering at Vermont Technical College.

It all sounds great, but what does the technology actually do?

This technology can restore basic motor function for those who have been paralyzed or have lost a part or a whole limb. The patients can then return to their previous lives and work and regain the confidence they once had.

Applications?

This tech as almost limitless applications in the medical field; from small prosthesis, to bypassing severed nerves.

Uses beyond the medical field?

There are many uses where this project could be applied, the construction field could benefit from this by limiting human contact with heavy objects and large machinery.

Here to answer any questions...

Common Queries

Finished Product

All Done...

The Beginning

Here is the schematic for the circuit that I would later construct to amplify the incoming signal fromm the electrodes.

The system diagram shows the major components that need to be included to have the final product function as intended.

The Middle

This was the prototyping phase along with the development of the final circuit board and users manual.

The End

The finished product of the circuit board and peripherals such as the prosthetic hand are comlete.

TLC2272

I used two of these dual operational amplifiers. They are designed to produce a very low noise output signal, which made them ideal for my circuit.

AD623

This op-amp was used due to its flexibility in different outputs, and its superior accuracy and low noise.

SG90 Servo

This servo motor is used to to control the fingers on the prosthetic hand.

Electrodes

These are possibly the most important component in this project. They are able to pickup the electrical signals in your muscles and send them to the amplifier circuit.

Components

The little stuff, that makes the big stuff work.

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How it works

Science!

Two electrodes are placed on the forearm and one on the back of the hand. When a fist is made, the electrodes pick up the electrical signal produced by your muscles and send them to a micro-controller. When the signal is received, it is amplified to over 18 million times its original size. The voltage that is outputted from the amplifier is large enough to trigger a servo motor to open and close a prosthetic hand.

Benefits and Ethical Concerns

This technology can restore basic motor function for those who have been paralyzed or have lost a part or a whole limb. Being able to provide this service for an affordable price will be revolutionary in this field.

Advantage

The only impact this product will have is a social impact for the consumers that use this product. They will be able return to their previous lives and work and regain the confidence they once had.

Impact

The End Product