Name
Abstract | ||
|---|---|---|
We developed nonintrusive methods for simultaneous electrocardiogram, photoplethysmogram, and ballistocardiogram measurements that do not require direct contact between instruments and bare skin. These methods were applied to the design of a diagnostic chair for unconstrained heart rate and blood pressure monitoring purposes. Our methods were operationalized through capacitively coupled electrodes installed in the chair back that include high-input impedance amplifiers, and conductive textiles installed in the seat for capacitive driven-right-leg circuit configuration that is capable of recording electrocardiogram information through clothing. Photoplethysmograms were measured through clothing using seat mounted sensors with specially designed amplifier circuits that vary in light intensity according to clothing type. Ballistocardiograms were recorded using a film type transducer material, polyvinylidenefluoride (PVDF), which was installed beneath the seat cover. By simultaneously measuring signals, beat-to-beat heart rates could be monitored even when electrocardiograms were not recorded due to movement artifacts. Beat-to-beat blood pressure was also monitored using unconstrained measurements of pulse arrival time and other physiological parameters, and our experimental results indicated that the estimated blood pressure tended to coincide with actual blood pressure measurements. This study demonstrates the feasibility of our method and device for biological signal monitoring through clothing for unconstrained long-term daily health monitoring that does not require user awareness and is not limited by physical activity. |
Year | DOI | Venue |
|---|---|---|
2012 | 10.1109/TITB.2011.2175742 | IEEE transactions on information technology in biomedicine : a publication of the IEEE Engineering in Medicine and Biology Society |
Keywords | Field | DocType |
amplifier circuits,electrocardiography,photoplethysmography,diagnostic chair,blood pressure measurement,blood pressure monitoring,blood pressure,ballistocardiogram (bcg),intelligent sensors,clothing type,unconstrained long-term daily health,blood pressure monitoring purpose,smart health monitoring chair,capacitively coupled electrodes,biomedical electrodes,biomedical transducers,amplifiers,beat-to-beat blood pressure,patient monitoring,unconstrained heart rate,film type transducer material,polyvinylidenefluoride,photoplethysmogram,beat-to-beat heart rate,through clothing,ecg,electrocardiogram information,biological signals,biological signal monitoring,nonintrusive measurement,ballistocardiogram measurement,nonintrusive,seat mounted sensors,unconstrained,clothing,chair,capacitive driven-right-leg circuit configuration,high-input impedance amplifiers,photoplethysmogram (ppg),heart rate (hr),healthcare system,conductive textiles,actual blood pressure measurement,estimated blood pressure,unconstrained measurement,physiological parameters,skin,sensors,physical activity,electrodes | Transducer,Photoplethysmogram,Computer science,Remote patient monitoring,Intelligent sensor,Capacitive sensing,Electrical impedance,Electronic engineering,Acoustics,Surgery,Electronic circuit,Amplifier | Journal |
Volume | Issue | ISSN |
16 | 1 | 1089-7771 |
Citations | PageRank | References |
32 | 2.70 | 5 |
Authors | ||
4 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Hyun Jae Baek | 1 | 51 | 7.46 |
| Gih Sung Chung | 2 | 40 | 5.75 |
| Ko Keun Kim | 3 | 86 | 10.97 |
| Kwang Suk Park | 4 | 266 | 46.43 |