| 摘要 |
<p>Non-contaminating plastic injection syringe in which the moulded-on extension folded over via film-type hinges, consists of two halves situated at 180 degrees to one another w.r.t. the syringe opening, and have an equal sized out part acting as a guide for the piston rod. Prevents accidental contamination of the inner wall of the syringe as a result of contact of the hands with the piston rod. Involves only low material, prodn. and assembly costs.</p> |
