Patient interface device for laser eye surgery
US11369518B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Oct 9, 2040 |
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. The second interface port also includes a retaining ring on which the applanating lens is provided, the retaining ring having through channels extending through the retaining ring from the chamber above the applanating lens to a space below the applanating lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.