Device for dispensing pharmaceutical fluid product to patient for treating pain of patient in hospital, has air egress to send air through passage unit and orifice at end of dispensing product for purging residual fluid product

摘要

The device has a container (10) for containing a fluid product, and a dispensing head (20) provided with a dispensing orifice (21). A dispensing unit formed of plugs (25, 26) dispenses a portion of the product through the orifice. A passage unit (40) connects the container to the orifice during actuation of the dispensing unit. An air egress (50) is adapted to send air through the passage unit and the orifice at the end of dispensing the product for purging a residual fluid product. An actuation body (30) initially actuates the dispensing unit and the egress.