Method and apparatus for manipulating the side wall of a body lumen or body cavity so as to provide increased visualization of the same and/or increased access to the same, and/or for stabilizing instruments relative to the same
US11076743B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 11, 2018 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Dec 11, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1015
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus comprising: a sleeve adapted to be slid over the exterior of an endoscope; an aft balloon secured to the sleeve; an inflation/deflation tube carried by the sleeve and in fluid communication with the interior of the aft balloon; a pair of hollow push tubes slidably mounted to the sleeve, the pair of hollow push tubes being connected to one another at their distal ends with a raised push tube bridge, the raised push tube bridge being configured to nest an endoscope therein; and a fore balloon secured to the distal ends of the pair of hollow push tubes, the interior of the fore balloon being in fluid communication with the interiors of the pair of hollow push tubes, wherein the fore balloon is capable of assuming a deflated condition and an inflated condition, and further wherein (i) when the fore balloon is in its deflated condition, an axial opening extends therethrough, the axial opening being sized to receive the endoscope therein, and (ii) when the fore balloon is in its inflated condition, the axial opening is closed down.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.