Lighted cannula system
US12016534B2 · kind B2 · utility
0Cited by
24References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2020 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Nov 20, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/309
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cannula suitable for use in minimally invasive surgery is improved with a highly polished and very smooth luminal wall and/or LED's or other light sources focused at particular angles relative to the axis of the cannula. The devices provide for improved lighting and/or reduced lighting requirements for cannulas used for minimally invasive surgery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.