Cannulas having wall strengthening features, and related systems and methods
US11097057B2 · kind B2 · utility
2Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2017 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Aug 12, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cannula may include a bowl portion comprising a first opening and a second opening, and an insertion tube extending from the bowl portion. The insertion tube defines a passage extending from the second opening and terminating in a distal end opening. The passage is configured to receive an instrument to be advanced through the cannula. The insertion tube has a transparent portion extending proximally from the distal end opening, and a strengthened portion extending proximally from the transparent portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.