Thermally Regulated Arthritic Peltier Enclosure

Therap-E

Shafkat Ahnaf, Dylan DiGioia, Jeff GabrielHimanshu Pandey, Joseph Santilli

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Abstract

• Therap-E intends to provide a better alternative for joint therapy than is available on the market by allowing the user to precisely control the therapeutic temperature of affected areas.

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Objective

• Heating and Cooling Pain Relief

• Rheumatic Diseases

• Peltier Devices– Thermal Sensors– PID Loop

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Motivation

• Large Market– 53 million people suffer from arthritis

• No Market Solution Yet– Both heating and cooling– One device

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Background

• Rheumatoid Arthritis– A part of rehabilitation includes heat and cold

stimulation. – Applying stimulation to hands, feet, knees and

elbows

• Current Devices– Hydrocollator Packs– Infrared Arthritic Glove

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Goals

• Heat/cool the surface enclosed

• Manipulate the temperature to the desired level

• Avoid burns, scrapes and other injuries. 

• Provide contrast therapy without user intervention. 

• Portability & Price

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Technical Specifications

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Temperature Range 30°F-110°FBattery Life 2 Hours

Weight 1-2 lbs

MSRP $150

• Safe for end users. • Comfortable temperature application to body. • Intuitive, user friendly interface.

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Design Approach

• Peltier Device

• Contact Layer– Thermally Conductive– Thermosensor

• Insulation

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Tradeoffs

• Constraints– Battery Life per Charge– Weight– Cost– Washing

• Lithium Ion Polymer vs Lithium Ion Batteries • Smart Fabric vs. Sensors Sewed in Polymer • Bluetooth module to temperature vs. embedded

tactile control feedback 9

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Schedule

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Task Days Spent DateProject Proposal 5 1/9/2015

Software 60 4/8/2015

Microcontroller 47 2/18/2015

Programming PID 35 4/8/2015

Hardware 12 4/13/2015

Assembly 12 4/13/2015

Final Testing 6 4/21/2015