Embryo transferring apparatus adapted for endoscope
US4653475A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Feb 26, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61D19/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An embryo transferring apparatus adapted for an endoscope comprises: an inner tube extending through an optical visual pipe of the endoscope so as to protrude forward its front end beyond a front end of the optical visual pipe; an outer tube in which the inner tube is inserted slidably to and fro; and an embryo transferring tube movable in the inner tube and extending so as to protrude forward its front end beyond a front end of the inner tube, wherein in the vicinity of the front end of the inner tube is provided a gas discharging opening which is retracted in the outer tube when the latter is moved forward, and is unsheathed from the outer tube when the same is moved backward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.