Method and a device for determining the hydration and/or...

Details Method and a device for determining the hydration and/or... Method and a device for determining the hydration and/or...

2011-03-29

2011-03-29

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Measuring electrical impedance or conductance of body portion

C600S506000, C600S507000, C600S587000

Reexamination Certificate

active

07917202

ABSTRACT:
Monitoring the hydration and/or nutrition status of a patient by bioimpedance. A bioimpedance method and device that makes use of a refined model by which the conductivity contributions from intracellular tissues can be taken better into account to enable an improved assessment of the body composition of a patient with increased accuracy. The intracellular volume (ICV) of a patient is determined by determining an intracellular electrical resistance Rmixof the patient and deriving the intracellular volume ICV using Rmixby taking into account that a cell of a kind of tissue contributes differently to the electrical resistance Rmixof the intracellular volume ICV compared with a cell of a second kind of tissue. The application also relates to a device for carrying out the method according to the invention and to a computer program product to be used on such a device.

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Noshiro, M., et al., “Electrical Impedance in the Lower Limbs of Patients with Duchenne Muscular Dystrophy: A Preliminary Study,” Medical & Biological Engineering & Computing, Mar. 1993, vol. 31, No. 2, pp. 97-102.

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