This application relates to disinfection caps for open female luer devices and methods for producing such caps. the cap (100, 500) configured for removable attachment to an open female luer device (400), with the open female luer device (400) having an open distal end (402) with a contact surface (407) and the The lid (100, 500) comprises: a body (102) comprising an opening (112) configured to receive the female luer device (400), a bottom (106) and a defined chamber (114) between the opening (112) and the bottom (106), the chamber (114) configured to hold a liquid disinfectant； a male pin (120, 520) in the chamber (114) and sized to receive the female luer device (400), with the male pin (120, 520) protruding from the bottom (106) towards the opening (112) of the body (102) and comprises a taper corresponding to a taper of the female luer device (400)； a wall (116) of the chamber (114) comprising a thread (118) originating near the opening (112) and extending into the chamber (114), at least a portion of the thread (118) has a height that increases with increasing distance from aperture (112)； and a movable piston (300) positioned around the male pin (120, 520), wherein the movable piston (300) comprises: a central opening (310) sized to provide interference fit with the male pin (120, 520). )； a top region (302) comprising a sealing surface (312) configured to form a seal with an inner surface of the open distal end (402) of the female luer device (400)； and a flexible circumferential skirt (308) sized to contact the wall (116) of the chamber (114).este pedido refere-se a tampas para desinfecção para dispositivos luer fêmea abertos e a métodos para produção de tais tampas. a tampa (100, 500), configurada para fixação removível a um dispositivo luer fêmea (400) aberto, sendo que o dispositivo luer fêmea (400) aberto tem uma extremidade distal (402) aberta com uma superfície de contato (407) e a tampa (100, 500) compreende: um corpo (102) que compreende uma abertura
