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Radiofrequency Therapy Systems, Tumor Treatment

Definition : Abdominal ultrasonic scanning systems designed to noninvasively measure liver stiffness (i.e., elastography) as an assessment of the degree of scar tissue accumulation in the liver (i.e., liver fibrosis). These systems are typically an ultrasound probe (e.g., 5 MHz) on which an ultrasonic transducer is mounted, with a mechanical vibrator at its tip; an electronic unit with a radiofrequency generator; data processing circuits; appropriate software; and a display. The vibrator delivers a low-frequency wave to the liver; the pulsed Doppler ultrasound echo simultaneously determines the velocity of the wave as a measure of the tissue stiffness; and the results are shown in pressure units (e.g., kilopascals). Liver stiffness ultrasonic systems (also known as elastography systems) are intended to assess liver damage (i.e., liver cirrhosis) in patients with chronic liver disease as an alternative to liver biopsy.

Entry Terms : "Tumor-Treating Radiofrequency Field Therapy Devices"

UMDC code : 23998

   

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CONMED Corp

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