dilution and drip chamber ?, developed for procedures for the preparation and administration of injectable pharmaceutical solutions, being inserted as a device for hospital use； the dilution and drip chamber (30) is for use with: plastic bag for intravenous solutions (31) with valve with open-and-close mechanism (33), infusion set (32) with male luer-lock terminal (8) and syringe (28) with male luer-lock terminal (8)； the dilution and drip chamber (30) comprises a sector of semi-rigid transparent plastic tube (12), closed by an upper cover (16) and a lower cover (17)； on the surface of the wall (18) of the top cover (16) there is an air filter (19) and a tubular extension (35) with male luer-lock terminal (8) provided with a cover (34)； the sector of semi-rigid transparent plastic tube (12) has a graduated volume scale (14) on the front side and a white background (15) on the back side； the lower cover (17) has a tubular extension (37) that departs from the base wall (25)； in the tubular extension (37), the conical base (46) of the valve is inserted with an open-and-close mechanism (33) and a female luer-lock terminal (45)； in the upper portion (42) of the outer body (41) of the cover (34) there are radial ribs (43)； from the center of the lid (34) a hollow plastic tube (44) goes towards and slightly extends the base of the lid (34), ending as a female luer-lock terminal (45).câmara de diluição e gotejamento?, desenvolvida para procedimentos de preparação e administração de soluções farmacêuticas injetáveis, inserindo-se como um dispositivo de uso hospitalar； a câmara de diluição e gotejamento (30) é para uso com: bolsa plástica para soluções intravenosas (31) com válvula com mecanismo abre-e-fecha (33), equipo de infusão (32) com terminal luer-lock macho (8) e seringa (28) com terminal luer-lock macho (8)； a câmara de diluição e gotejamento (30) compreende um setor de tubo plástico transparente semirrígido (12), fechado por tampa superior (16) e por tampa inferior
