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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 4620546 | Ultrasound hyperthermia apparatus An ultrasound hyperthermia apparatus has a tomographic ultrasound probe for obtaining a tomographic image and a heating applicator for heating a tumor portion. A position detector is provided to detect the positional relationship of the tomographic ultras... | 11/04/1986 |
| 4441486 | Hyperthermia system An ultrasonic hyperthermia system capable of producing discrete heating of a volume of deep-seated, normally perfused tissue. An individual transducer is configured and driven so that its compressional mode of vibration is suppressed near the center, with... | 04/10/1984 |
| 4392040 | Induction heating apparatus for use in causing necrosis of neoplasm Induction heating can be utilized to cause necrosis of neoplasm as a result of hyperthermia by a process involving the injection of particles having hysteresis heating characteristics into tissue either within or in close proximity to the neoplasm and the... | 07/05/1983 |
| 4343301 | Subcutaneous neural stimulation or local tissue destruction A method of generating a high energy density at any point in the body, noninvasively, by two high frequency sonic beams creating a low frequency beating pattern at their intersection locus. One method provides for two transducers at different angular posi... | 08/10/1982 |
| 4315514 | Method and apparatus for selective cell destruction Method for destroying selected cells in a host without damage to non-selected cells comprises selecting a transmission path from an energy source (12) to the selected cells (30); determining one or more of the resonant frequencies of the selected cells (3... | 02/16/1982 |
| 4216766 | Treatment of body tissue by means of internal cavity resonance A method and apparatus for treatment of tissue located in a specified reg of a mammal, the region being proximate to a gas filled cavity which is contained in a fluid medium within the mammal. The resonance frequency of the cavity is determined, and an a... | 08/12/1980 |
