Bi-radial patient interface
US10335315B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2013 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Aug 17, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/00851
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
To improve the precision of ophthalmic surgical procedures by reducing corneal wrinkling, a patient interface for an ophthalmic system can include an attachment portion, configured to attach the patient interface to a distal end of the ophthalmic system; a contact portion, configured to dock the patient interface to an eye; and a contact element, coupled to the contact portion, configured to contact a surface of a cornea of the eye as part of the docking of the patient interface to the eye, and having a central portion with a central radius of curvature Rc and a peripheral portion with a peripheral radius of curvature Rp, wherein Rc is smaller than Rp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.