personal heating and cooling for people with paraplegia
body temperature regulation Body gets cold Body gets hot Person starts to Person starts to shiver sweat Body warms up Body cools down
body temperature regulation Body gets cold Body gets hot Person starts to Person starts to shiver sweat Body warms up Body cools down
body temperature regulation Body gets cold Body gets hot Person starts to Person starts to shiver sweat Body warms up Body cools down
body temperature regulation interrupted by spinal cord injury Body gets cold Body gets hot Body stays cold Body stays hot
on a fall day... “On a fall day most people go outside without a jacket and they come back into a heated building and they get warm again. But when I do the same thing, I stay cold for the rest of the day and will shiver through all my classes.” -Emily Obert, MIT’11
heating & cooling 23.9° C auto
Heating & Cooling � Subtle
Heating & Cooling Subtle � Safe
Heating & Cooling Subtle Safe � Unique
User Needs � Detachable
User Needs Detachable � Convenient
User Needs Detachable Convenient � Versatile
heating
heating
heating moisture-proof vinyl
heating insulating & reflective padding
heating resistive wire network
safe Pulse-Width Modulation Sensors Thermal Fuses
controls 24.6° C
controls 25.2° C
controls 26.9° C
controls 23.9° C auto
power 6 hours of continuous use 12 hours of cycled use 4-5 year lifespan
cooling
cooling cooling pad cooling system power pack
cooling
cooling phase change material (PCM) water reservoir
cooling
cooling
cooling phase change water material reservoir (PCM)
cooling
cooling cooling pad
cooling cooling pad water reservoir
cooling cooling pad water reservoir PCM reservoir
cooling cooling pad water reservoir PCM reservoir
cooling cooling pad water reservoir PCM reservoir
cooling cooling pad water reservoir PCM reservoir
cooling cooling pad water reservoir PCM reservoir
market � 400,000 people with spinal cord injuries
market 400,000 people with spinal cord injuries � 200,000 people with paraplegia
competition echKewl Ready Heat Blanketro T ThermAssis l t Heating Cooling Mobile Subtle Safe
pricing � $1,200 selling price
pricing $1,200 selling price � $120 material cost
pricing $1,200 selling price $120 material cost � $360 total cost per unit
cash flow Net Cumulative Cash Flow Projection Cash Flow (Millions)
cash flow Net Cumulative Cash Flow Projection Cash Flow (Millions)
cash flow Net Cumulative Cash Flow Projection Cash Flow (Millions)
cash flow Net Cumulative Cash Flow Projection Cash Flow (Millions)
Heating & Cooling Subtle Safe 23.9° C auto Unique
thank you Instructors & Mentors � Prof. David Wallace Matt Duplessie Ilan Moyer Warren Seering Melody Kuna Jane Kokernak Josh Ramos Eric Statz Dick Fenner Eliza Eddison Bill Cormier Jordan Nollman Joe Cronin Shaohui Foong Jim Dudley Steve Haberek Doctors & Users � Dr. John Handrakis Emily Obert Diana Elledge Colleen Rock Jim Cesario Spinal Cord Injury Forum Dr. Jain Spaulding Rehabilitation Center Life Savers � Barbara Hughey Michael Glombicki Danielle Morimoto Sareena Avadhany Cathy Wu Gail Cormier Tyler Thompson Johanna Chong Alexandre Milouchev
by the numbers Heating Cooling 33 W 7.6 W 12 V 12 V 2.8 A 1 A Fuse trips at 60˚C PCM melts at 15˚C Max pad T of 41˚C Max pad T of 41˚C . 5 lbs 5.75lbs Power 3.5 lbs
average pad?
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