OBJECTIVE To compare performance of flow-adapted compensation of endotracheal tube resistance (automatic tube compensation, ATC) between the original ATC system and ATC systems incorporated in commercially available ventilators. DESIGN Bench study. SETTING University research laboratory. SUBJECTS The original ATC system, Dräger Evita 2 prototype, Dräger Evita 4, Puritan-Bennett 840. INT...

(a) Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, Building 85, University of Southampton, Southampton, SO17 1BJ, UK; (b) Centre for Biological Sciences, Mailpoint 840 (room LD80b), Level D Laboratories and Pathology Block, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK; (c) Peninsula School of Medicine and Dentistry, University of Plymouth...

'Department of Mechanical Engineering Faculty of Science and Engineering "Department of Advanced Systems Oontrol Engineering, Graduate School of Scienoe and Engineering, "'Faculty of Engineering Systems and Technology, Graduate Schoo: of Science and Engineerin& Saga University 1-Honjomachi, Saga 840-85on, Japan E-mail; {izumi, watanabe}@me.saga-u.ac.jp paeoeived June as, 1998; aocepted Novernbe...

CHING-HUNG WANG, TZUNG-PEI HONG AND SHIAN-SHYONG TSENG Chunghwa Telecommunication Laboratories Chungli, Taiwan 326, R.O.C. E-mail: [email protected] Department of Electrical Engineering Nation University of Kaohsiung Kaohsiung, Taiwan 840, R.O.C. E-mail: [email protected] Institute of Computer and Information Science National Chiao Tung University Hsinchu, Taiwan 300, R.O.C. E-mail: sstseng@ci...