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Biomedical design projects developed around OEM devices

Biomedical design projects developed around OEM devices. Jean-Michel I Maarek Department of Biomedical Engineering University of Southern California Los Angeles, CA 90089 jmaarek@usc.edu. Senior projects design course. BME 405L: Senior Projects – Measurements and Instrumentation

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Biomedical design projects developed around OEM devices

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  1. Biomedical design projects developed around OEM devices Jean-Michel I Maarek Department of Biomedical Engineering University of Southern California Los Angeles, CA 90089 jmaarek@usc.edu

  2. Senior projects design course • BME 405L: Senior Projects – Measurements and Instrumentation • 15-week course with laboratory organized in 3 hours of classroom time + 3 hours of laboratory time per week • Offered twice a year to accommodate all BME seniors (~ 50 students year) • Enrollment: 18 students in Fall 06 and 27 students in Spring 07

  3. Goals of Senior Projects course • Course goals: to integrate applications of computer programming, signal transduction, data acquisition, data analysis, and signal processing in the design of medical and laboratory instrumentation • LabVIEW: standard in academic and industrial environments for data acquisition, interfacing of instruments, data analysis, and graphic user interface • Students apply LabVIEW as a tool for the design of computer-based medical virtual instruments

  4. Topics addressed in BME 405L • LabVIEW programming basics • Software architectures • Development of software requirements and use cases • Properties of signals and data acquisition • Instrument control • Graphic user interface • Light, pressure, and temperature transducers

  5. Format • Time divided between instructor-led presentation (1/3 time) and student activities (2/3 time) • Activities to develop programming skills and practice concepts discussed with instructor • Instructor and teaching assistant roam the room during activities and assist students in their work • Six “canned” laboratories cover basics of data acquisition and instrument control, static and dynamic calibration of pressure, temperature, and light transducers, and a virtual frequency analyzer • 8 week project to develop a computer based medical monitor using an OEM device

  6. Term project with OEM device • OEM device: Ipod (Nonin) pulse oximeter and M2600 NIBP monitor (Colin Medical) • Programmer’s manual • Serial (RS 232) control and communication for implementation of medical monitor with several modes of measurement or signals • Graphic user interface • Data storage

  7. Functional requirements from use case

  8. Project deliverables • LabVIEW program • Graphic User Interface • Demonstration (rated by other group of students) • Design report

  9. Conclusions • OEM device provides realistic experience in terms of technical integration, use of technical documentation • Use case entices students to think about use of product by others. Graphical user interface also reflects emphasis on users • Favorable comments from industrial advisory board and high student evaluation marks but no formal evaluation

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