Ultrasound as a Diagnostic & Surgical Tool: Based on the International Symposium Held at the Royal College of Surgeons, London, on December 5th and 6th, 1962Douglas Gordon |
Contents
WHAT IS ULTRASOUND? | 1 |
THE TRANSMISSION OF ULTRASOUND | 20 |
PIEZOELECTRICITY | 38 |
Copyright | |
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Common terms and phrases
acoustic acoustic impedance amplifier amplitude angle animal anode apparatus applicator attenuation average focal intensity axis Ballantine barium titanate bone bowl brain capacitor cathode ray tube cavitation cells cent centimetre ceramic CHAPTER clinical coupling crystal decibels degassed device diagnosis diameter distance dosage echo signals effect electrical electrode energy facial nerve Federici flaw-detector focused ultrasound frequency grid haematoma heat Hueter irradiation Lele length lens lesions mamillary bodies Mc/s measure Ménière's disease method mitral movement nerve normal nystagmus obtained operation oscillator oscilloscope output patient piezo-electric plane plastic plate position possible power level probe produced pulse duration pulse interval quartz radiation pressure reflected resonant scan screen skull sound stereotaxic structures surface tank technique temperature thermocouple thyratron tissue transducer transmission tumour tuning ultra ultrasonic ultrasonic beam ultrasonic irradiation ultrasonic lesions ultrasound valve variable velocity ventricle voltage watts wavelength waves white matter