Ultrasound uses sound. It was developed with the same principles of sonar used at sea. When sound passes through the body it produces echoes that are able to identify distance, size and the shape of objects.
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Ultrasound machines are quite pricey, but you could definitely find one online. For a good place to start, see: http://www.absolutemed.com/Ultrasound-Machines
Chances are you can find equipment like that online on Craigslist or ebay. Both sites specialize in unique equipment like portable ultrasound machines.
Ultrasound machines send high frequency soundwaves though your tissues and measure the time it takes for the beams to come back to the center. A microprocessor takes those measurements and creates a picture. Denser material within your body creates a "lighter" impression than less dense material.
An oncologist uses a lot of different types of high tech machines. This includes x-ray machines, MRI machines, and ultrasound machines.
When buying a used ultrasound machine you should be expecting to pay at least 5000 dollars depending on make and model. These machines can be used in a hospital, but they have to be kept up to date.
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For used ultrasound equipment you can go to http://www.usedultrasound.com/. They say that their machines are up to 60% off retail prices.
The functions and applications of ultrasound machines are numerous and commonly used for obstetrics, echocardiography and biopsy. just to name a few. Ultrasound Machines is a non-invasive way to provide invaluable valuable medical details compare to traditional tools and diagnosis techniques.Ultrasound machines for obstetrics provide invaluable information about a woman's pregnancy and her growing baby. An ultrasound machine is used to generate images based on sound waves. It helps visualize muscles, tendons and internal organs in humans. It is also used to see fetuses during prenatal care.
Most ultrasound machines don't list how far along you are on the pictures that are printed. The technician that is running the machine can have the computer calculate the age of the fetus using measurements.
Buying an ultrasound machine is a very expensive item. You can find these tools at the website www.sentinelultrasound.com/Used. This site even offers warranties on the used products.
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