Patient interface device for laser eye surgery having light guiding structure for illuminating eye
US10799394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2017 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Sep 19, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/2272
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A patient interface device includes: a first interface port configured to be interfaced with a laser surgery apparatus; a second interface port configured to be interfaced with a patient's eye, the second interface port including an applanating lens for application to a patient's eye during a laser surgery procedure; a chamber extending between the first interface port and the second interface port and defining a chamber therein, wherein air may be evacuated from the chamber by the laser surgery apparatus via the first interface port; and a tubular light guiding structure having at a first end thereof a light receiving surface, configured to receive light, and having at a second end thereof a light-emitting surface, wherein the second surface is disposed adjacent the applanating lens and configured to provide the light in a vicinity of the patient's eye when the applanating lens is applied to the patient's eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.