Instrument for an endoscope and needle for an endoscope
US8974417B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2006 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Nov 14, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0084
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A needle for an endoscope, includes: an outer sheath tube having a fluid passage provided therein; a distal end discharging portion that is accommodated in the distal end of the outer sheath tube so as to be extended therefrom and retracted thereinto, and is connected to the distal end of the fluid passage; an operating device for operating the distal end discharging portion so as to be extended from the distal end of the outer sheath tube and retracted thereinto; a fluid supplying device, that is provided in the outer sheath tube and is caused to communicate with the fluid passage, and supplies a fluid to the distal end discharging portion through the fluid passage; and a blocking device that is provided in the fluid passage, for freely opening and shutting off circulation of a fluid in line with an operation of the operating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.