Time-varying magnetic field therapy using multistable latching mechanisms
US10639494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2017 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Aug 1, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides wearable devices for effecting transcranial magnetic stimulation to be used by patients who have suffered brain injuries. Permanent magnets are shifted or rotated to deliver a time-varying magnetic field, preferably about the locus of the injury. In an embodiment, the strong magnetic fields of the permanent magnets are directed to the injured area for therapeutic purposes. A novel mechanism is provided that uses a small battery-powered electromagnet to interact with the weak peripheral magnetic fields of the permanent magnets and to shift the permanent magnets between two or more stable positions. As a result, a lightweight, quiet, wearable device with low power consumption is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.