| 摘要 |
The invention relates to a device for injecting a fluid for medical use and is characterized in that the device consists of a base wherein a container (2) for receiving the injection fluid is provided, said container being formed by a bellows-shaped body (6) made of deformable material and including a top surface (4) comprising a tip (7) through which fluid passes, while the base (1) consists of a bottom wall, enabling the axially translatable piston rod to be guided, and a top wall, characterized in that: - the tip (7) is inserted into a suitable arrangement of the top wall of the base, - the top surface (4) and the bottom wall are conical in shape, while the chamber (6) of the container (2) consists of circular rings, and the piston has a shape complementing the shape of the cavity (8) of the bottom wall (5) such that, when the bellows is completely folded up into itself after injection, the chamber is totally empty, with no residual liquid. |
