The present invention discloses a sterile PRP separation kit that has compartmentalized container having a cover that allows for a stage-specific exposure of sterile components of the sterile PRP separation kit housed within stage-specific compartments to a non-sterile environment commensurate with a specific stage of operation of a separation process of PRP. The sterile PRP separation kit includes a PRP tube with segregated portals for injection of blood into the PRP tube, aspiration of PRP from the PRP tube, and for maintaining an interior pressure of the PRP tube at equilibrium with ambient pressure during both injection and aspiration.

A medical device for separating a fluid, in particular for separating platelet-rich plasma from whole blood, includes three containers and at least one corresponding connection line having an intermediate bifurcation. Provided on the connection line are valve means for enabling or preventing a flow of fluid. At least one container includes a hollow container body and a plunger associated in a movable way to the container body. The device also includes a filtering member on the connection line.

Provided is a blood filter that resists deterioration in properties as a result of electron beam sterilization treatment performed before or during use as a blood filter, has durability, dimensional stability, and chemical resistance at excellent levels, also has biocompatibility, and resists deterioration in properties even upon the electron beam sterilization treatment. The blood filter according to the present invention includes a nonwoven fabric made of PEEK fibers. Preferably, the blood filter according to the present invention has an average pore size of 3 to 280 μm and has a porosity of 15% to 70%; and the PEEK fibers have an average fiber diameter of 10 μm or less.

A blood processing filter includes a flexible container having an inlet and an outlet for blood, a filter medium disposed between the inlet and the outlet, and a flow passage-securing member disposed between the filter medium and the outlet. The filter medium includes a filter layer X1 including a filter component unit A1, and a filter layer Y including a filter component unit B. The filter layer X1 is disposed between the filter layer Y and the flow passage-securing member, a ventilation resistance per thickness of the filter component unit A1 is 5.0 Pa.Math.s/m.sup.2 or more and less than 9.0 Pa.Math.s/m.sup.2, a ventilation resistance per thickness of the filter component unit B is 9.0 Pa.Math.s/m.sup.2 or more, a ventilation resistance of the filter layer X1 is 4.0 kPa.Math.s/m or more and 20.0 kPa.Math.s/m or less, and a ventilation resistance of the filter medium is 55.0 kPa.Math.s/m or more and less than 75.0 kPa.Math.s/m.

A method and system for treating, by filtration, haemorrhagic fluid contained in a container with a view to subsequent autotransfusion, including at least one step of concentrating by filtration said haemorrhagic fluid in order to increase the concentration of red blood cells in the haemorrhagic fluid to reach a target haematocrit level while at the same time removing from the haemorrhagic fluid a filtrate comprising compounds not desired for autotransfusion, further including: a preliminary step of measuring the haematocrit level of the haemorrhagic fluid; and a dilution step consisting in adding to the volume of haemorrhagic fluid to be treated a determined volume of dilution fluid, the determined volume of dilution fluid being calculated as a function of the measured haematocrit level of the haemorrhagic fluid and the target haematocrit level.

A flow path device of a biological component bag system is equipped with a flow path formation member. The flow path formation member includes a first sheet and a second sheet, and flow paths are formed between the first sheet and the second sheet. The flow paths of the flow path formation member include first flow paths and a second flow path. Flow path sealed portions that join the first sheet and the second sheet to each other in a liquid-tight manner are provided on both sides of each of the flow paths within the flow path formation member.

A blood bag system is equipped with a blood collection bag in which blood is accommodated, a parent bag and a child bag in which blood components separated from the blood are accommodated, and flow paths that connect the blood collection bag and the parent bag. The blood collection bag, the parent bag, the child bag, and the flow paths are formed integrally by a first sheet body and a second sheet body that is superimposed on the first sheet body, and meandering sections which are repeatedly folded back on themselves are provided in the flow paths.

The present specification discloses plasma processing systems that include a number of different fluid flow circuits that are defined by sources of fluid, fluid lines, fluid flow paths, waste containers, a mixer, a separator, valves, and a pump. The systems also include a connector tube and a solvent extraction device, wherein the connector tube and solvent extraction device are configured to be alternatively inserted in a same position along a fluid flow line. In addition, the systems include a controller that is configured to execute a plurality of programmatic instructions to open and close each of a first fluid flow line valve, a second fluid flow line valve, a third fluid flow line valve, and a fourth fluid flow line valve in a predetermined sequence to either enable or prevent a flow of fluid through various fluid flow lines.

A blood storage system comprising: a collection vessel for red blood cells; an oxygen or oxygen and carbon dioxide depletion device; a storage vessel for red blood cells; tubing connecting the collection vessel to the oxygen or oxygen and carbon dioxide depletion device and the oxygen or oxygen and carbon dioxide depletion device to the storage vessel; and a gamma or X-ray irradiating device is used to irradiate red blood cells stored in the vessel, storing red blood cells under anaerobic conditions.

A blood processing filter includes a container having 2 ports respectively functioning as an inlet for a liquid to be processed and as an outlet for the processed liquid, and a filtration medium filled in the container, wherein an airflow resistance of the filtration medium is 55.0 kPa.Math.s/m or more and less than 85.0 kPa.Math.s/m, the filtration medium includes a filter material A having an airflow resistance per unit basis weight of 0.01 kPa.Math.s.Math.m/g or more and less than 0.04 kPa.Math.s.Math.m/g and a filter material B having an airflow resistance per unit basis weight of 0.04 kPa.Math.s.Math.m/g or more, at least a part of the filter material A is disposed on a side closer to the inlet for a liquid to be processed than the filter material B, and a sum of airflow resistances of the filter material A is 6.0 kPa.Math.s/m or more.