FIELD: medical equipment.
SUBSTANCE: invention refers to discharge heads for introduction of pharmaceutical liquids, in particular for intranasal introduction of pharmaceutical liquid from pressure vessel (110). Outlet head comprises outlet valve (112) with valve union (114), which, to open outlet valve (112), is made with possibility of applying force to it, overcoming spring force. Outlet head (10) comprises insert (12) for insertion, at the end of which outlet opening (98) is provided, which is connected through pass-through channel (92) of insertion tip (12) to input of insert tip. Insertion tip (12) comprises inner part (50). Also, insertion tip (12) comprises outer part (60), which is made in form of part separated from inner part (50), and is put on inner part (50), covering it with possibility of rotation. Besides, outlet hole (98) is made in the form of slot of external part (60), which is surrounded by internal end surface (63B) on inner side. Note here that end face surface (63B) is opposed by inner surface (50) end surface (53B), which flat adjoins end inner surface (63B). Whereby at least two supply channels in the form of supply grooves (97B, 97D) are formed on inner surface (63B) of outer part (60) and on end surface (53B) of inner part (50), made with possibility, depending on turning position of outer part (60) relative to inner part (50), connection with area (58) of supply upstream of supply grooves (97B, 97D) or cut off therefrom. At that, at least one supply groove (97B) is provided in end inner surface (63B) of external part (60) and at least one supply groove (97D) in end surface (53B) of inner part (50).
EFFECT: disclosed is a discharge head for intranasal injections of fluid under pressure.
16 cl, 3 dwg
