Method for producing a tomographic image of the body and electric impedance tomograph
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Jan 14, 1999
filing date -
Dec 11, 1996
priority date (Note) -
Expired
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Abstract
The invention is a method of obtaining tomographic images of the human body and the electrical impedance tomograph, in which a source of electric current is used to send electric current at levels undetectable by a human being to pairs of electrodes, between which at least two electrodes are placed. An algorithm of image reconstruction makes it possible to obtain the distribution of absolute conductivity of a body, characterizing the state of soft and bone tissues and blood vessels. The method is fast. It allows one to visualize the changes of conductivity during one cardiocycle and to observe blood filling the heart and vessels. It allows one to obtain time dependence of conductivity of internal areas of the heart, which is an impedance cardiogram, containing additional information about heart function. The use of visualization of conductivity of tissues allows one to observe the processes of internal hemorrhages, to reveal inflammations, to carry out studies of organs of digestion, to observe the state of various tumors, to carry out diagnosis of diseases of the mammary gland, to diagnose various lung diseases. The method allows one to monitor the variation of temperature of internal organs, raising the possibility of diagnosing diseases at early stages. The tomograph is a rather simple, compact device, convenient in operation, safe for a patient and attendants, operating with a standard personal computer. This device can be widely used in medical practice and clinical investigations.
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- 15 United States
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- 8 Japan
- 7 China
- 5 Korea
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- TCI INCORPORATED
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cherepenin, Vladimir Alexeevich | Moscow, RU | 2 | 347 |
Korjenevsky, Alexandr Vladimirovich | Moscow, RU | 2 | 347 |
Kultiasov, Yury Sergeevich | Moscow, RU | 1 | 245 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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