Patient interface device for ophthalmic laser procedures
US9968485B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2014 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Jul 28, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/009
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A patient interface device for use with a laser surgery apparatus, the device including an upper assembly and a lower assembly attached to the upper assembly. The device including a spherical-like object that engages the lower assembly so that an enclosed volume is defined between the spherical-like object, the lower assembly and the upper assembly, wherein a first liquid substantially fills the enclosed volume. The device further including a channel that contains a second fluid that is exposed to ambient atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.