Medical Technology: organ harvesting and Transplants
Medical Technology: organ harvesting and Transplants
Medical Technology: organ harvesting and Transplants
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applications. Perhaps a professor or graduate student can<br />
visit the site, speaking to the students <strong>and</strong> offering advice.<br />
After students underst<strong>and</strong> the task they have selected,<br />
their next step is to design the adapted robot on paper,<br />
using computer-assisted techniques or simple h<strong>and</strong>drawn<br />
pictorials, if necessary, to convey their thoughts<br />
<strong>and</strong> concepts. While doing this, all students should keep<br />
in mind the capabilities of their machines—based on the<br />
experiments they conducted. This is essential to a good<br />
engineering design. The machine must be able to perform<br />
as intended.<br />
During the design phase, the students or teams of students<br />
may make design changes to the vehicles if they can justify<br />
them within the capabilities they tested for. Some examples<br />
of this would be:<br />
• Addition of a larger battery pack to extend operational<br />
time<br />
• Installation of a flat superstructure to support sensors,<br />
grippers, etc.<br />
• Smaller diameter wheels to prevent tipping<br />
• Communications interface for sensors <strong>and</strong> grippers<br />
Robot designs can be mocked-up on an actual radiocontrolled<br />
car if time <strong>and</strong> resources permit; but detailed<br />
drawings <strong>and</strong> representations are acceptable. Poster<br />
board displays are also another fine way to discuss what<br />
advantages are offered by particular student designs. Let<br />
the teams review each others’ ideas <strong>and</strong> offer constructive<br />
comments. Oral presentations to their student peers are<br />
also to be encouraged among the teams.<br />
Student teams are to estimate what the costs of their<br />
vehicles with modifications will be, <strong>and</strong> develop some basic<br />
advertising for their products.<br />
Harry T. Roman recently retired from<br />
his engineering job <strong>and</strong> is the author of<br />
a variety of new technology education<br />
books. He can be reached via email at<br />
htroman49@aol.com.<br />
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13 • The <strong>Technology</strong> Teacher • April 2010
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