DEVICE FOR TRANSFUSION OF PARENTERAL FLUIDS Russian patent published in 2011 - IPC A61M1/02 

FIELD: medicine.

SUBSTANCE: device contains polymer needle for attachment to reservoir with parenteral fluid, instillator with filter, clip, injection unit, connecting tube and injection needle. On the input instillator is provided with filter and drop-former in form of hollow cylinder, passing into blunted cone with hole in the centre. External surface of cylinder is connected with internal surface of instillator. On instillator outlet installed is anti-embolism unit with one-way valve, which lets through parenteral fluid to injection unit and blocks instillator in case of flow from patient. Valve has elastic membrane, fixed on valve body with fixer.

EFFECT: elimination of back blood flow from patient and elimination of air embolism.

4 cl, 2 dwg