MAP estimation on VAD patients
US11653841B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2019 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Feb 28, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3334
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of determining a mean arterial pressure index of a patient having an implantable blood pump including determining a pump speed and a pump flow value; analyzing the pump speed and the pump flow value to a pump loss constant value; determining a graft hydraulic resistance value during a systolic phase of a cardiac cycle based on the analysis of the pump speed and the pump flow value to the pump loss constant value; determining a mean arterial pressure index during a diastolic phase of the cardiac cycle based on the determined graft hydraulic resistance value; comparing the mean arterial pressure index of the patient to a mean arterial pressure index range; and generating an alert when the mean arterial pressure index varies with respect to a mean arterial pressure index range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.