Optical fiber scanning apparatus and optical scanning type endoscope
US10502947B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2016 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Oct 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An optical fiber scanning apparatus is the optical fiber scanning apparatus for which an optical fiber to which a permanent magnet is disposed and which is configured to emit illumination light from a distal end portion is arranged in a hollow portion of a magnetic field generation unit, the magnetic field generation unit is provided with four coil units each including a flexible substrate where a planar coil, a lead-out wiring layer of the planar coil and an external connection electrode pad are disposed, and an inside of the four coil units arranged in a square prism shape configures the hollow portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.