System and method to measure pain levels of patients following surgery
US11617536B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Jan 31, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/242
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides a non-invasive system for measuring pain level in a body at a site containing a predetermined concentration of magnetic nanoparticles. A drive coil and a pickup coil transmit and measure a field passing through the site based upon response of the magnetic nanoparticles, and a processor computes a pain level based upon variations in the field. The pain level can be indexed to an absolute scale that affords more predictability and objectivity in determining true pain level. Illustratively, the processor derives values for levels of cytokine IL-6, SP and temperature at the site, which are translated into the pain level. In an embodiment, the system and method can be implemented in a handheld device in which the drive coil and pickup coil reside in a housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.