Rapid non-invasive blood pressure measuring device
US6027452A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1996 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Jun 26, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/02133
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A blood pressure can be obtained by supplying an external pressure to a portion of an artery. The external pressure is preferably between the systolic and diastolic pressure. An event which occurs at least once a cycle can then be identified. This event can be, for example, a peak in the arterial compliance that occurs at a transmural pressure approximately equal to zero. A pair of signals, one that is an arterial volume-indicating signal, and one that is an arterial pressure-indicating signal can be used to identify this event. Alternately, a small signal high-frequency exciter component can be placed upon the pressure or volume of the artery and detected to determine the time that the transmural pressure is equal to zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.