| 摘要 |
The invention relates to a cryogenic device (1) for surgical use, which can be used to cool an area of the body and includes: a cryogenic gas supply conduit and discharge conduit, an end piece (5) comprising a metal tip (8) intended to be brought into contact with the area to be cooled and a gas expansion chamber (7), and a gas injection nozzle (6) connected to the supply conduit at one end and opening into the chamber (7) in the direction of the metal tip (8) at the other end. The supply conduit and the discharge conduit are formed in a common flexible extruded tube (4) that is inserted into the end piece (5). |
