Continuous non-invasive sphygmomanometer
US6669648B1 · kind B1 · utility
16Cited by
9References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Nov 21, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/02233
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
According to the invention a sphygmomanometer for continuous plethysmographic measurement of blood pressure includes at least one inflatable pressure pad which is attachable to a body part containing an artery, arterial signal sensors for determining arterial blood flow, and a valve-controlled pressure chamber connected to a gas source and to the inflatable pressure pad and including a pressure sensor for measuring the pressure in the pressure chamber or in the pressure pad. The pressure chamber has separate inlet and outlet valves which are controlled dependent on signals of the arterial signal sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.