FLEXIBLE PACKAGE WITH A SEALED STERILE CHAMBER FOR THE RECONSITUTION AND ADMINISTRATION OF FLUID MEDICINAL OR NUTRITIONAL SUBSTANCES INSTILLABLE INTO THE BODY OF A PATIENT
A package for infusion or instillation of medicinal or nutritional products into the body of a patient comprises a bag of liquid diluent equipped with at least one drain tube and a mixing tube equipped with a coupling and perforation device for a bottle of a pharmacological or nutritional substance in powder, gel or other material, provided with a perforatable cap. The package comprises a flexible airtight sterile casing, containing said bottle of the substance in powder or other and the coupling and perforation device. The bottle is housed in the casing in a coupling position with the coupling and perforation device and is manually manoeuvrable from the outside of the casing up to a perforating position of the cap of the bottle.