Tooth-whitening device
US10512789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2018 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Apr 26, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0663
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A portable self-contained tooth-whitening device includes a compact housing structured and configured to be held in a fixed position adjacent to a human jaw during use; at least a first array of LEDs disposed in a first plane at a front side of the housing and arranged to deliver blue visible light or near-visible UV light of at least a threshold intensity to substantially all anterior surfaces of anterior maxillary teeth or anterior mandibular teeth of the human jaw, wherein the first array of LEDs forms at least two intersecting arcs, each of which is disposed in the first plane and has its own focal point located outside the device; and at least one battery cell powering the array of LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.