Skip to main content

25 Result(s)

within O. Z. Roy Remove this filter Biomedical Engineering and Bioengineering Remove this filter

previous disabled Page of 2
and

  1. No Access

    Article

    Single-shot coronary arteriography

    A single-shot procedure for coronary arteriography has provided effective visualization in dogs. An electronic circuit controls injection of a small bolus of contrast medium over two or three heart cycles by t...

    J. A. Hopps, C. Don, G. A. Bousvaros… in Medical electronics and biological enginee… (1963)

  2. No Access

    Article

    Electrical hazards in cardiac diagnosis and treatment

    J. A. Hopps, O. Z. Roy in Medical electronics and biological engineering (1963)

  3. No Access

    Article

    A communication system for the handicapped

    O. Z. Roy in Medical electronics and biological engineering (1965)

  4. No Access

    Article

    A multi-channel transmitter for the physiological study of birds in flight

    This paper describes a light-weight, rugged, multi-channel transmitter designed for telemetering biological data such as tidal volume, electrocardiograms, and body temperature, from birds in flight. The transm...

    O. Z. Roy, J. S. Hart in Medical and biological engineering (1966)

  5. No Access

    Article

    Telemetry on a shoe-string

    O. Z. Roy in Medical and biological engineering (1966)

  6. No Access

    Article

    A silastic interface

    O. Z. Roy in Medical and biological engineering (1968)

  7. No Access

    Article

    Canine myocardial thresholds and tissue responses to chronic pacing

    This paper describes the effects of chronic pacing on the canine cardiac muscle. Results on electrical threshold levels, inter-electrode cardiac resistance and the pathology of the heart muscle at the stimulat...

    O. Z. Roy, H. A. Heggtvett, W. Waddell in Medical and biological engineering (1969)

  8. No Access

    Article

    An inexpensive pulse transducer and cardiac tachometer

    O. Z. Roy in Medical and biological engineering (1970)

  9. No Access

    Article

    A more efficient waveform for cardiac stimulation

    This paper describes a waveform which is more efficient than the standard square pulse for use in chronic cardiac pacing. The experimental techniques are discussed and long term results obtained from animals i...

    O. Z. Roy, R. W. Wehnert in Medical and biological engineering (1971)

  10. No Access

    Article

    Techniques used in the study of the white-footed mouse under semi-natural conditions

    O. Z. Roy, R. A. Gaertner, J. S. Hart… in Medical and biological engineering (1972)

  11. No Access

    Article

    Ventricular fibrillation

    O. Z. Roy in Medical and biological engineering (1974)

  12. No Access

    Article

    Improvements in biogalvanic energy sources

    The paper describes improvements made in biogalvanic energy sources, which significantly prolong their life and reliability. The results of long-termin vivo implants are presented, and comparisons are made betwee...

    O. Z. Roy, R. W. Wehnert in Medical and biological engineering (1974)

  13. No Access

    Article

    A simple linear pulse-to-pulse cardiac tachometer

    O. Z. Roy, R. W. Wehnert in Medical and biological engineering (1974)

  14. No Access

    Article

    60 Hz ventricular fibrillation and rhythm thresholds and the nonpacing intracardiac catheter

    This paper presents fibrillation and rhythm disturbance thresholds obtained from saline-filled intracardiac catheters. Results from the endocardium and pericardium are presented and the effect of catheter cros...

    O. Z. Roy in Medical and biological engineering (1975)

  15. No Access

    Article

    Mechanical pointer for use with handicapped children

    For the nonverbal cerebral palsy child, communication with the outside world is a major problem. With those c.p. children who do not suffer complete limb paralysis, limb movement is at least very spastic and p...

    G. C. Park, O. Z. Roy, A. Warrick, C. Côté in Medical and Biological Engineering and Com… (1979)

  16. No Access

    Article

    Electronic games for physically handicapped people

    J. W. Arenson, O. Z. Roy, G. C. Park… in Medical and Biological Engineering and Com… (1980)

  17. No Access

    Article

    Summary of cardiac fibrillation thresholds for 60 Hz currents and voltages applied directly to the heart

    O. Z. Roy in Medical and Biological Engineering and Computing (1980)

  18. No Access

    Article

    System for the measurement of the effects of ultrasound on membrane electrical and mechanical properties of the myocardium

    A system has been developed to measure the effects of ultrasound on membrane electrical properties and muscle contractile parameters. A specially designed muscle bath was constructed. Measurement instrumentati...

    A. J. Mortimer, B. Bresden, G. V. Forester… in Medical and Biological Engineering and Com… (1984)

  19. No Access

    Article

    Effects of short-duration transients on cardiac rhythm

    Cardiac stimulation thresholds of short-duration large-amplitude electrical transients were studied. An isolated rabbit heart model was used and transients were applied directly to the heart through electrodes...

    O. Z. Roy, A. J. Mortimer, B. J. Trollope… in Medical and Biological Engineering and Com… (1984)

  20. No Access

    Article

    Effects of short-duration transients on cardiac rhythm

    Monte B. Raber, O. Z. Roy in Medical and Biological Engineering and Computing (1985)

previous disabled Page of 2