Surgical procedures using instrument to boundary spacing information extracted from real-time diagnostic scan data
US8945140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2011 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Oct 5, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/378
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure is directed to improved phacoemulsification procedures involving the use of processed non-visual three-dimensional data (i.e. diagnostic scan data) to provide a surgeon with additional guidance concerning the distance separating a working end of a phacoemulsification instrument and the posterior capsule of the eye during a surgical procedure involving the removal of the crystalline lens of an eye. Such information is implemented to aid the surgeon in cutting or scoring the lens to a desired depth while minimizing the risk of penetrating the posterior portion of the capsule with the working end of the instrument. Some embodiments provide for the visual and/or auditory conveyance of distance information to the surgeon. Additional embodiments can provide for overlaying visual representations of selected structure information with the images provided to the surgeon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.