Method and apparatus for the measurement of cardiac output
US6348038B1 · kind B1 · utility
25Cited by
5References
16Claims
0Family size
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Key dates
| Filing date | Mar 28, 2000 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Mar 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for the measurement of cardiac output in a patient in which the arterial blood pressure waveform of a patient from a blood pressure monitoring device over a period of time is subjected to various transformations and corrections, including a Fourier analysis in order to obtain the modulus of the first harmonic. The nominal stroke volume is then determined from the first harmonic and data relating to the arterial blood pressure and heart rate. The nominal cardiac output is then obtained from the nominal stroke volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.