DEVICE FOR CARRYING APPARATUS-FREE MEMBRANE PLASMAPHERESIS ACCORDING TO SINGLE-NEEDLE SCHEME Russian patent published in 2006 - IPC A61M1/38 

FIELD: medical equipment.

SUBSTANCE: device can be used for medicinal and donor blood separation to erythromass and plasma, for removal of plasma, return of erythromass to patient and introduction of plasma-substituting solutions and anticoagulant. Device has blood taking conduct provided with accumulating container, erythromass returning conduct with air trap, anticoagulant and hemodilution agent supplying conduct and plasma collecting conduct provided with removable containers and clamps. Blood taking conduct has injection unit for additional introduction of medicines, which unit is disposed close to needle for blood taking. Blood taking conduct is joined permanently with accumulating container which is made of film material. Accumulating container has additional tube provided with clamp. One end of tube is joined permanently with accumulating container and the other end is connected with connector and plug. Dropping bottles with polymeric two-channeled needles are mounted at hemodilutant agent and anticoagulant supply conducts. Plasma collecting conduct has container for collection plasma which container is made of film material. Polymeric needles at conducts for supplying hemodilution agent and anticoagulant are made with two channels. Extracorporal close circuit is made to provide higher sterility of plasmapheresis.

EFFECT: better comfort at operation; higher degree of sterility.

2 cl, 1 dwg