History Galton whistle, one of the first devices to produce ultrasound Acoustics , the science of sound , starts as far back as Pythagoras in the 6th century BC, who wrote on the mathematical properties of stringed instruments. Echolocation in bats was discovered by Lazzaro Spallanzani in , when he demonstrated that bats hunted and navigated by inaudible sound, not vision. Francis Galton in invented the Galton whistle , an adjustable whistle that produced ultrasound, which he used to measure the hearing range of humans and other animals, demonstrating that many animals could hear sounds above the hearing range of humans. The first technological application of ultrasound was an attempt to detect submarines by Paul Langevin in The piezoelectric effect , discovered by Jacques and Pierre Curie in , was useful in transducers to generate and detect ultrasonic waves in air and water. In air at atmospheric pressure, ultrasonic waves have wavelengths of 1.
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This site has been created to provide you with information about the types of examination available and how to gain access to them. It is important that you know that the people you are trusting with your health are properly qualified and competent to do the job — please be assured that the staff working for Diagnostic Healthcare are amongst the best and you will be in very safe hands. From the moment you first contact us right through to us issuing the report of our findings, our aim is to provide you with a caring, efficient and professional service. In this busy world, it can be difficult to fit scan appointments into your schedule so we offer a variety of days and times for the appointment, always seeking to help you and your doctor get the diagnosis of your condition as quickly and professionally as we can. This site has been created to provide you with an overview of the private ultrasound services we provide and how we can help you. We aim to give you information about the types of examination available if ultrasound is the right kind of imaging for you and of course how to book a private ultrasound appointment with us.
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