Product Design Specifications EWH Pulse Oximeter Version:3.0 Date: 2/25/09 Last Modified by: Jonathan Meyer Team Bogdan Dzyubak Joe Helfenberger Jonathan Meyer Matt Parlato Clients Amit J. Nimunkar Dept. of Biomedical Engineering 608.698.7413 [email protected] Jonathan M. Baran Dept. of Biomedical Engineering 608.263.4660 [email protected] Advisor John G. Webster Dept. of Biomedical Engineering 2148 Engineering Centers Building 1550 Engineering Drive Madison, WI 53706 608.263.1574 [email protected] Function The purpose of this project is to develop a low-cost pulse oximeter for use in developing countries. It will be integrated with an innovative medical technology platform which uses a laptop to record and display patient data. The oximeter must be rugged, durable, and inexpensive. Design requirements 1. Physical and Operational Characteristicsc. Accuracy and Reliability: - The probe must facilitate precision in increments of 1% SpO2. - The pulse oximeter must be accurate to within 5% (Fourtney). f. Operating Environment: - The device must be operable in 100% humidity. - The device must operate in a temperature range of 0°C to 38°C. - The device must be able to be dropped from 1.5 m onto concrete without breaking. h. Size and weight: - Size: the probe should be smaller than 4 cm × 4 cm × 3 cm. - Weight: the probe should be lighter than 100 g (Princeton Tec). j. Materials: - Must be mass-producible. 2. Production Characteristics a. Quantity: Mass produced. b. Target Product Cost: under $8. Though this is our target cost, our prototype can be above this specification. 3. Power and Data Transfer - The device must interface with a central processing unit via a serial connection for both power and data transmission. - The device must run on 4V and 100 mA. 3. Miscellaneous a. Sterilization: - The device must withstand sterilization with isopropyl alcohol (Fourtney).References Fortney, L., M.D. Personal Interview. Feb. 12, 2009. Princeton Tec. “Quad.” Accessed Feb. 25, 2008, at
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