Endoscope with insertion having a plurality of insertion holes
US4732139A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1986 |
| Grant date | Mar 22, 1988 |
| Priority date | — |
| Expiry date | Aug 29, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/018
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes an operation section and an insertion section extending from the operation section. The insertion section has a plurality of insertion holes extending in its axial direction. The insertion holes have outlet openings open to the distal end portion of the insertion section and inlet openings open to the proximal end portion of the insertion section. One of the inlet openings is open to the proximal end face of the insertion section, and the remaining openings are open to the outer periphery of the insertion section. An image guide and a light guide inserted into the insertion holes extend from the inlet openings located at the outer periphery of the insertion section toward the outside thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.