Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Reexamination Certificate
2005-02-01
2005-02-01
Hindenburg, Max F. (Department: 3736)
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
C600S310000, C600S306000, C600S430000
Reexamination Certificate
active
06849046
ABSTRACT:
The invention provides a system (2) for non-invasive detection of the state of hydration in a living specimen, the system including an RF generator/transmitter (416) for emitting RF radiation signals and for transmitting the radiation signals through a tissue of a living specimen; an RF receiver (8) for receiving RF signals transmitted through the tissue, and for feeding the signals to a processor (10) for comparison of relative attenuation of RF frequencies passing through the tissue with a reference attenuation ratio signal, and an indicator unit (12) for providing an output signal representative of the water content level of the tissue. A method for non-invasive detection of the state of hydration in a living specimen is also described and claimed.
REFERENCES:
patent: 4364008 (1982-12-01), Jacques
patent: 4488559 (1984-12-01), Iskander
patent: 5767685 (1998-06-01), Walker
patent: WO 8303746 (1983-11-01), None
patent: WO 9213485 (1992-08-01), None
Lozano-Nieto,A.; “Impedance Ratio in Bioelectrical Impedance Measurementsfor Body Fluid Shift Determination;” Apr. 9-10, 1998; Proceedings of the IEEE Annual Northeast Bioengineering Conference(Cat. No. 98CH36210); Hershey, PA, USA; pp. 24-25; XP002157035.
Eyal-Bickels Elazar
Margaliot Shulamit
Fenster & Company
Hindenburg Max F.
Kremer Matthew
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