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Intended to relieve or mitigate overhydration in patients undergoing cardiopulmonary procedures and to increase the concentration of cells and proteins in the blood.

The Low Volume Hemoconcentrator is similar to the F Series F400 Hemoconcentrator. Both hemoconcentrators are hollow fiber-type filters and will be provided with and without a tubing set. The Low Volume Hemoconcentrator has an active membrane surface area of 0.35M2 and a priming volume of 27 ml.

Hemoflow dialyzers are designed for use in acute or chronic hemodialysis therapies as either single use or multiple use.

Fresenius Polysulfone Hemodialyzers

The Fresenius F Series Hemoconcentrators are indicated to relieve or mitigate overhydration in patients undergoing cardiopulmonary procedures and to increase the concentration of cells and proteins in the blood.

The Fresenius Hemoflow Series Dialyzer, the same product as the F Series Hemoconcentrators, is a hollow fiber-type filter. Fresenius-produced polysulfone capillary fibers are bundled and potted with polyurethane into an artificial kidney jacket manufactured from polyurethane. Screw-type end caps, manufactured from polyurethane, have twist lock connectors for the connection of venous and arterial blood lines. Two filtrate ports are located on the filter adjacent to the filtrate chambers. The ports have Hansen-type fittings for connection of filtrate tubing. For hemoconcentration, only the filtrate port on the venous end of the filter is used; the other port on the arterial end is capped. There are four (4) models within the F Series Hemoconcentrators family. The difference between the four models in the F Series Hemoconcentrators is the number of fibers contained within the artificial kidney jacket. As the number of fibers contained in the filter increases, the diameter of the filter and the filtration capacity increases proportionally. Each model will be manufactured with a tubing set (F400TS, F500TS, F700TS, F800TS); other models will be manufactured with tubing adapter, only (F400, F500, F700, F800).

The C.A.T.S (Continuous Autotransfusion Svstem) by Frescruus is an autotransfusion device indicated for the processing of autologous shed blood collected intraoperatively and postoperatively to obtain washed packed red blood cells for reinfusion. Additionally, it can be used for perioperative separation of blood into Packed Red Cells (PRC), Plasma (PLS) and Platelet Rich Plasma (PRP).

The Fresenius C.A.T.S is a continuous autotransfusion system working on the principle of a continuous flow centrifuge. In this continuous system, the blood to be processed passes through a separation chamber that can be divided into several compartments in which different steps of the autotransfusion process (i.e.; plasma separation, resuspension with saline and reconcentration) are performed simultaneously, creating a continuous flow of blood through the system. The C.A.T.S device is comprised of two major components: Reusable Autotransfusion Device (electromechanical microprocessor controlled device) and Disposable AT1 Autotransfusion Set.

The Fresenius On Line Clearance Monitor is a module that is incorporated into the Fresenius 2008H hemodialysis equipment to be used during a dialysis treatment to determine dialyzer clearance efficiency using changes in conductivity of the dialysate solution. The Fresenius On Line Clearance Monitor is intended to be used as a module with the Fresenius 2008H hemodialysis machine for determination of dialysis treatment urea clearance efficiency using Sodium conductivity as the surrogate solute marker.

The Fresenius On Line Clearance Monitor (OLC) is a module that is incorporated into the Fresenius 2008H hemodialysis equipment. The OLC consists of hardware modifications to the 2008H dialysate fluid circuit which includes a second conductivity probe in the effluent dialysate line and software. The dialyzer clearance determination is made using changes in dialysate conductivity (Sodium concentration). The software either increases or decreases the dialysate conductivity. This change in conductivity causes a sodium concentration gradient to be formed between the blood and dialysate sides of the dialyzer. Sodium is then either diffused into the blood or out of the blood depending whether the dialysate conductivity is high or low. Accurate conductivity readings of the inlet and outlet dialysate solution can be used to calculate the flux of sodium (or change in conductivity because of changes in sodium concentration) in the dialysate. This value can then be used to calculate the dialyzer clearance of sodium. The clearance of sodium has been used as a surrogate dialyzer performance solute since the beginning of dialysis since urea and Sodium (from NaCl) pass through the dialysis membrane at essentially the same rate. The use of the On Line Clearance Monitor is non invasive and is performed automatically by the hemodialysis equipment with no effect to the patient or action of the operator and minimizes the need for blood based urea analysis and dialyzer performance determination.