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November 18, 2016

Outreach

Outreach

Kit days provide students in the community the opportunity to learn about engineering and healthcare in developing countries. This is a great chance for active members to help support their local community by teaching students how to assemble pre-designed kits. These kits are specially designed to be easy and fun to put together. For detailed descriptions, videos, parts lists, and order forms visit EWH STEM page.

 

Kits

ECG Simulator Kit – An ECG (electrocardiogram) simulator is an electronic tool that provides cardiac monitors with an electrical wave similar to the human heart’s signal. Besides testing the monitor’s performance, it also can be used to teach health care personnel how to setup the input parameters for ECG machines. EWH’s Simulator Kit can generate three important ECG signals: left arm (LA), the right arm (RA) and the left leg (LL).

 

 

Optical Heart Rate Monitor Kit– The circuit measures the heart rate through the subject’s fingertip and shows the cardiac frequency through a blinking light. The product teaches students principles of electronics and biomedical engineering through hands-on learning and is ideal for middle/high school and college students, or for students training for careers in electronics, BMET, and healthcare occupations. The kit includes a bare board and electronics components, which can be reused for multiple assemblies.

 

 

Artificial Heart – Students will learn how the circulatory system works and learn principles of artificial organs. Using tubes, a bulb and check valves, they will build an artificial heart to simulate the unidirectional flow of blood in the body.

 

Muscles-Joints/Hydraulic Arm/Hydraulic Hand – This activity defines the different kinds of joints found in the body and explains how the muscles interact with them.

 

Joint/muscleinteraction is demonstrated through the building of an arm muscle/bone structure with rubber bands and craft sticks. Also, principles of hydraulics and knowledge of prosthetic devices can be taught through a hydraulic joint made with syringes. The hydraulic hand can be combined with the arm to demonstrate a full prosthetic arm.

 

 

STEM Activities

Squishy Circuits – Use dough to construct circuits. Learn how electricity and power work through fun dough circuits with lights and motors. Created at University of St. Thomas

 

 

 

 

Breathing Lung – Bioengineers often come up with creative experiments to monitor the condition of the human body. These tests are more difficult, however, when measuring inside the body. Try taking a ruler and measuring how long your foot is. Easy enough, right? Now try measuring how large you lungs are. In this activity you are going to do exactly that – measure the capacity of your lungs!

 

 

Magnets – Magnets are incredibly important and are used all around us! Things like car doors, computers, vacuum cleaners, TVs and even radio speakers work because of magnets.

As a Bioengineer, you will come across some machines which also use magnets, such as an MRI (Medical Resonance Imaging) machine. MRI’s allow doctors to see inside your body, without having to perform surgery – they use a special kind of magnet called an electromagnet.

 

 

Muscles & Joints – One of the many fields which a Bioengineer will work on is called biomechanics. Biomechanics is the study of how living beings, like humans, move through a complex (but very structured) grouping of bones, muscles and joints. This allows us to bend, walk, run and stretch relatively easily! Can you think of any other movements our muscles, bones and joints help us perform?

 

 

 

 

Electrodes – Electrodes (also called pads) are used to measure electrical signals within the body as well as stimulate muscles. Therefore, you can consider them as electrical conductors with very small resistance. The figure to the right shows a neonatal monitor that reads the baby’s heart and breath rate.

 

 

Phototherapy – Up to 60% of newborns develop a condition called neonatal jaundice during the first week or so after birth. The liver of newborns often has trouble processing a molecule called bilirubin causing it to increase to unhealthy levels. However, the majority of these babies do not require treatment due to the condition subsiding on its own within a few days. The standard treatment of neonatal jaundice is phototherapy. The blue light used in phototherapy alters the bilirubin molecule so that it can be excreted by the body without the use of the liver. Bilirubin is a byproduct of hemoglobin which is the primary component of red blood cells found in the blood stream. The buildup of bilirubin causes a baby’s skin and whites of the eyes to turn orange-yellow in coloring. If left untreated, high levels of this molecule over an extended period of time can cause serious brain damage and in rare cases cause death.