| 摘要 |
<p>There is provided an injector comprising a cylindrical housing with a distal wall and a proximal wall having a proximal surface (9c) for abutting the surface of an injection site, an injection needle (8) having a sharp distal end (8b) and a sharp proximal end (8a) and arranged axially displaceable in said housing through a passage (9b) in said proximal wall, a compressible container (5) for containing an injection liquid and having a proximal wall portion (6) penetrable by said sharp distal end (8a) of said needle (8), a compression chamber containing said container (5) and adapted to be reduced in volume so as to compress said container (5) to press the injection liquid into the needle (8), and displacement means (4, 10) for respectively ejecting and retracting the needle (8).</p> |
