Overtube and operative procedure via bodily orifice
US7785333B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | Dec 8, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/1495
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An overtube includes an insertion portion that has a distal end portion and a proximal end portion, and at least the distal end portion thereof is inserted into a subject; a first lumen that is formed in the insertion portion and that allows freely inserting and removing a device for carrying out medical procedures in the subject; puncture needles that pass through the insertion portion, have a control member connected to the proximal end portion of the insertion portion, and puncture tissue; and second lumens that are provided in the insertion portion and through which puncture needles are passed, the second lumens having on the distal end portion of the insertion portion openings through which distal ends of the puncture needles extend and retract, and the openings being provided on an inside of the insertion portion defined by the first lumen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.