Endoscope apparatus
US8986194B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2013 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | May 30, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/2492
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The endoscope apparatus includes a heat exchanger, a first tube, and a second tube. The front-end portion is cooled down by repeating alternately, the other operation which is opposite an one operation, which is an operation of generating a flow of the cooling liquid from the other end of the first tube to the one end of the first tube, and a flow of the cooling liquid from the one end of the second tube to the other end of the second tube, and the one operation which is an operation of generating a flow of the cooling liquid from the other end of the second tube to the one end of the second tube, and a flow of the cooling liquid from the one end of the first tube to the other end of the first tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.