| 摘要 |
FIELD: medicine. SUBSTANCE: needleless valve of closed system uses tubular casing 20 determining its interior. The nearest end of the casing has hole 25A, preferably a large one so as to receive the end piece of the medical instrument manufactured according to Standard ANSI. The remote end of the casing is furnished with a tubular skirt. The valve also has hollow boss 24 with a closed end. The boss has at lest one longitudinal hole (34) of calibre 18, located at a distance from the end, it is fitted inside the casing in such a manner that the end is positioned below the remote end of the casing. Connected to the boss is annular supporting cup 28, which seals a part of the casing so that it determines the upper part of the interior accommodating the boss. The valve has also plastic flexible silicone seal 30, which fills the upper part of the interior and covers the boss end so as to form a smooth surface. The valve can be attached to the connected container through an adapter. EFFECT: improved design. |
