Bioimpedance methods and apparatus

A bio-impedance, resistor technology, used in sensors, medical science, diagnosis, etc., can solve problems such as impact
CN1849092AInactive Publication Date: 2006-10-18肾脏研究所有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
肾脏研究所有限公司
Publication Date
2006-10-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

Methods and apparatus for providing bioimpedance analysis are provided. In certain aspects, an equivalent circuit frequency response model is provided, resulting in improved correlation with MRI data. The frequency response model takes into account body composition, including fat composition of body segments. Data obtained by Bioimpedance Spectroscopy (BIS) and MRI analysis on the subject's calf demonstrate improved correlation compared to single frequency analysis at 50 kHz and analysis with the conventional Cole-Cole model .
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Description

[0001] Cross-References to Related Provisional Applications

[0002] This application claims U.S. Provisional Application No. 60 / 502,483, filed September 12, 2003, U.S. Provisional Application No. 60 / 580,166, filed June 16, 2004, and U.S. Provisional Application No. .60 / 587,652 Interests under 35 USC § 119(e). The contents of all of these provisional applications are incorporated herein in their entirety. technical field

[0003] The present invention relates to bioimpedance methods and apparatus, and more particularly to the use of these methods and apparatus to determine the muscle content, fat content, and / or extracellular fluid content of a subject's body segment, wherein the segment may consist essentially of The object's entire body. Background technique

[0004] The electrical properties of biological tissues have been of scientific interest for a long time. During the last century, many advances and new devices based on bioelectrical knowledge have been applied in...

Claims

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