Duodenum built-in jejunum cannula releasing system and a use method therefor
US12303466B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2019 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Nov 1, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A duodenum built-in jejunum cannula releasing system and a use method therefor, the system including: implanting device, pushing assembly, fixing line and releasing line. The implanting device includes storage pipe shell, releaser, membrane pipe and stent; the storage pipe shell is tubular and provided with near-end opening and far-end opening; the membrane pipe and the stent which are to be released are arranged in the storage pipe shell in folded state; the pushing assembly includes push-pull guiding wire, inner pipe, middle pipe and outer pipe which are sleeved with one another from the inside out in sequence and may move relative to one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.