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Improved shipping container for assisted reproduction Hani Bou-Reslan, Kathleen Agard, Kyle Quinn, Ben Moga BME 201 March 15 th 2002 Clients Professor Jack Rutledge Professor David Beebe Rick Monson Advisor Assistant Professor Nirmala Ramanujam Dept. of Biomedical Engineering Overview

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Improved shipping container for assisted reproduction l.jpg

Improved shipping container for assisted reproduction

Hani Bou-Reslan, Kathleen Agard, Kyle Quinn, Ben Moga

BME 201March 15th 2002


Slide2 l.jpg

Clients

Professor Jack RutledgeProfessor David BeebeRick Monson

Advisor

Assistant Professor Nirmala RamanujamDept. of Biomedical Engineering


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Overview

  • Problem statement

  • Background information

  • Product design specifications (PDS)

  • Components- Holding device- Heating mechanism- Temperature recorder/regulator

  • Final Design

  • Future Aspects

  • Questions


Problem statement l.jpg
Problem statement

Design a portable incubator that:

  • ships embryos and oocytes

  • maintains a temperature of 38 °C

  • is lightweight

  • is inexpensive

  • stores temperature data


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Background Information

  • Demand for embryo and oocytes shipping

  • Current shipping devices:- cost $600 - $ 1200- battery powered- temperature not stored- shipping costs up to $80


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Operational PDS

  • Maintain temperature at 38.5 C

  • Temperature recorded every half an hour

  • Withstand temperature changes (-20–100 F)

  • Weigh less than 12 lbs

  • Cost less than $250

  • Power supply that lasts 30 hours

  • User friendly


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Safety PDS

  • Meet air cargo shipping requirements

  • Airport customs friendly

  • Non-toxic chemicals

  • Enclosed circuitry

  • Safe handling


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Components

  • Holding devices

  • Heating mechanism

  • Temperature storing/regulating




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Temperature Storing/Regulation

  • Sensor in nutrient solution records temperature

  • Temperature data logger stores data

  • Negative feedback system regulates resistive

  • heating


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Final Design

Figure 1 (3/9/2002)


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Final Design

A. Temperature sensor C.Hole in PDMS

B. Connection to battery D.Resistive wiring for heating


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Final Design

A. 4 slots for PDMS D. Connects to battery

B. 9V Battery E. Connects to temp. recorder C. Temperature readings


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Future Plans

  • Begin phase change chemical testing

  • Design the desired temperature display

  • Build the temperature data logger

  • Make precise specifications for PDMS

  • Build a prototype



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