Pumping surgical cannula
US10709475B2 · kind B2 · utility
1Cited by
26References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2018 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Jul 21, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/349
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein are multiple cannulas defining a lumen sized and dimensioned to receive one or more medical instruments, an inflatable outer membrane attached to an outer surface of the cannula, and at least one activator that reversibly activates the cannulas to push a fluid contained in the cannulas into the outer membrane to fill or pressurize the outer membrane. Also disclosed are methods for operating these cannulas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.