| 摘要 |
An injection assembly, at least comprising a prefilled liquid container (1) with an outflow opening (10), a piston displaceable in said liquid container with a piston rod (1) and a piston head (4), an injection needle (1) with a needle fitting (12) which is or can be fixed in the outflow opening, and sealing means, said needle fitting (22) and the piston (3) comprising coupling means which can be mutually coupled so as to allow the injection needle (21) to be retracted into the liquid container (1) after use of the assembly, the injection needle (21) furthermore comprising a protection cap (23) with a passage (28) for the needle (21), which cap is or can be permanently mounted on the outflow opening (10).
|
