Dermatoscope devices
US10617305B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2014 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Jul 15, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/361
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dermatoscope has a generally circular viewing opening, a plurality of light sources including first and second groups of light sources arranged about the viewing opening, a first polarizer for polarizing light passing through the viewing opening, and a second polarizer for polarizing light emitted from the first group of light sources, wherein the first and second groups of light sources are arranged at different distances from a center of the viewing opening so that light from the second group of light sources is not polarized by the second polarizer. A further dermatoscope has a head portion including a generally circular viewing opening, and at least one light source arranged proximate to the viewing opening; and a body portion including an image capture device, wherein the head portion is pivotally attached to the body portion selectively allowing alignment of the center of the viewing opening with the center of the field of view of the image capture device. Yet a further dermatoscope has a generally circular viewing opening, a selectively extendable element that can be selectively extended coaxially with the viewing opening, and a contact element for contacting a surface to …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.