Guide tube
US6988987B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Aug 12, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/062
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is provided a flexible guide tube which guides an endoscope or a therapeutic device into an abdominal cavity through the mouth and stomach to conduct an observation or a therapeutic treatment in the abdominal cavity. The guide tube includes an insertion section which has a distal end, a peripheral section, and a central axis, and which is capable of being inserted into a body through the mouth, and two expandable and shrinkable balloons arranged in the vicinity of the distal end at a predetermined distance from each other in the axial direction on the periphery of the insertion section. The predetermined distance is preferably set to 3 to 8 mm, and the length of the insertion section is preferably set to about 600 to 1000 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.