Proximal-end securement of a minimally invasive working channel
US11213196B2 · kind B2 · utility
0Cited by
168References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jul 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/571
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed at minimally invasive systems in which the proximal end portion of the working channel has either zero or a limited range of movement in the lateral direction. A first embodiment has a slidable collar attached to a pair of flanges, wherein movement of the collar is bounded by an annular frame. A second embodiment has a substantially spherical element attached to the tube. A third embodiment has a plurality of caps. A fourth embodiment is adapted for a larger working channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.