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Design Portfolio
1. Table of Contents
Title Page
Section A. Senior Design Project: “K-9 Rover” 2
Section B. Preanalytical Test Cassette
Part 0. Preliminary “Gun” Shape Prototype 4
Part I. First Generation. “Thumb Wheel” Prototype. 6
Part II. Second Generation. “Loaded Syringe” Prototype. 8
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2. The K-9 Rover featured
adjustable height and harness
width to accommodate patients
of different sizes, well-padded
sternum and pelvic supports to
stabilize the paraplegic patient
for long rehabilitation sessions,
an unobtrusive design to allow
patient’s legs a full range of
motion, and a suspension
system to facilitate dynamic
stress loading of the legs to
simulate normal gait.
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4. Material: Plexiglas
The purpose of this single-use preanalytical test cassette is to Machined with CNC Mill
1. Draw whole blood from the patient;
2. Facilitate cell lysis and DNA extraction, purification, and amplification; and
3. Eliminate contamination into or out of the device by containing the blood
completely inside, from sample collection to disposal.
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6. All components (except the rack, pinion, rubber syringe tip, luer coupler, and
needle) machined using a manual mill and lathe.
Materials used:
A. Polycarbonate (clear)
B. Delrin (white)
C. Aluminum (silver)
6
