Multi-stage dilator and cannula system and method
US11534244B2 · kind B2 · utility
1Cited by
44References
20Claims
0Family size
Assignee
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Key dates
| Filing date | May 27, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Feb 24, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M29/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multi-stage dilator and cannula assembly for use in surgical procedures, including minimally invasive surgical procedures, to provide tissue dilation and opening of a portal to enable the surgeon to access and provide treatment to anatomical feature of interest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.