Multi-sensor composite right ventricular electrode and fused cardiac rate adaptive pacing method
US11844948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2018 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | May 6, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/36557
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is an accurate, fast and long-term stable fused CRAP. The electrode includes a positioning anchor, a silicone catheter, a sensor compartment and a connecting wire. The method monitors physiological information such as blood PPG, blood oxygen saturation, temperature and impedance of blood in the right ventricular cavity, and monitors blood temperature information, which is also a slowly changing metabolic rate, to provide cross-comparison with blood oxygen saturation information, improving monitoring accuracy of blood oxygen saturation. The rapidly changing right ventricular apical impedance information is monitored to improve rapid response ability of CRAP. The LEDs driving current is dynamically adjusted by monitoring the internal temperature of the PPG sensor and the impedance change of the attached biological tissue, which indirectly reflects thickness change of the attached biological tissue, thereby delaying the failure time of the PPG sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.