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Surgical diathermy is usually better known as "electrosurgery". (It is also referred to occasionally as "electrocautery", but see disambiguation below.) Electrosurgery and surgical diathermy involve the use of high-frequency A.C. electric current in surgery as either a cutting modality, or else to cauterize small blood vessels to stop bleeding ...
These were limited to frequencies of 0.1 – 2 MHz, called "longwave" diathermy. The current was applied directly to the body with contact electrodes, which could cause skin burns. In the 1920s the development of vacuum tube machines allowed frequencies to be increased to 10 – 300 MHz, called "shortwave" diathermy. The energy was applied to ...
Diathermy is used by some as a synonym for electrosurgery but in other contexts diathermy means dielectric heating, produced by rotation of molecular dipoles in a high frequency electromagnetic field. This effect is most widely used in microwave ovens or some tissue ablative devices which operate at gigahertz frequencies. Lower frequencies ...
ANT devices may use any RF frequency from 2400MHz to 2524MHz, with the exception of 2457MHz, which is reserved for ANT+ devices. [ 11 ] IEEE 802.15.4 – Zigbee and other personal area networks may use the 915 MHz and 2450 MHz ISM bands because of frequency sharing between different allocations.
The more sophisticated option, which the Marie device and others use, is a high-energy proton beam. It is much more precise and has a lower threat of hitting other areas of the body.
So we wanted to know about new claims that Musk is also behind energy-saving devices that could lower or even eliminate your power bill. Sarah Petit was curious. She watches her electric use these ...
The amount of output power is adjustable, and the device is equipped with different tips, electrodes and forceps, depending on the electrosurgical requirement. Unlike other types of electrosurgery, the hyfrecator does not employ a dispersive electrode pad that is attached to the patient in an area not being treated, and that leads back to the ...
A medical advocacy group on Tuesday sued the main U.S. health agencies over the sudden removal of websites containing public health information in response to an executive order by President ...
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