Bioimpedance methods and apparatus
US7945317B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 10, 2004 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Aug 4, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/0223
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and apparatus for providing bioimpedance analysis are provided. In certain aspects, equivalent circuit frequency response models are provided which lead to improved correlations with MRI data. The frequency response models take account of body composition, including the fat component of a body segment. Data obtained by performing bioimpedance spectroscopy (BIS) and MRI on the calves of subjects illustrates the improved correlations achieved compared to single frequency analyses at 50 kilohertz and analyses performed using the conventional Cole-Cole model.
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