Simplified surgical cannula
US12251131B2 · kind B2 · utility
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12Claims
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Assignee
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Key dates
| Filing date | Dec 8, 2021 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Jun 13, 2043 |
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 pressurizes a fluid contained in the outer membrane to fill or pressurize the outer membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.