Vital sign monitor for cufflessly measuring blood pressure using a pulse transit time corrected for vascular index
摘要
A method and apparatus for measuring a patient's blood pressure featuring the following steps: 1) measuring a time-dependent optical waveform with an optical sensor; 2) measuring a time-dependent electrical signal with an electrical sensor; 3) estimating the patient's arterial properties using the optical waveform; 4) determining a pulse transit time (PTT) from the time-dependent electrical signal and the time-dependent optical waveform; and 5) calculating a blood pressure value using a mathematical model that includes the PTT and the patient's arterial properties.
申请公布号
US8574161(B2)
申请公布日期
2013.11.05
申请号
US20080138199
申请日期
2008.06.12
申请人
BANET MATTHEW J.;ZHOU ZHOU;DHILLON MARSHAL SINGH;KOPOTIC ROBERT J.;TERRY ANDREW STANLEY;VISSER, II HENK;SOTERA WIRELESS, INC.
发明人
BANET MATTHEW J.;ZHOU ZHOU;DHILLON MARSHAL SINGH;KOPOTIC ROBERT J.;TERRY ANDREW STANLEY;VISSER, II HENK