Double lumen or double wire endobronchial ultrasound-guided histology needle (EBUS)
US9295454B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 21, 2012 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Jul 23, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2010/045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscopic needle for collecting tissue, cell and/or fluid specimens from a patient that uses a multi-channel connector having a first channel for accepting a vacuum source that will fluidly connect with a hollow needle at the distal end, and a second channel for receiving a stylet therein, an outer sheath having proximal and distal ends with the proximal end being operatively connected to a lower portion of a leur-lock, an inner tube fluidly connected to the multi-channel connector and an outer needle assembly connected to or as part of the inner tube, an inner needle or a stylet having a proximal end attached to a cap removably connected to the second channel, the stylet having a distal end connected to an inner needle or slidingly positioned within the outer needle, and a fluid pathway from the multi-channel connector to the interior of the outer needle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.