Fresenius Medical Care Deutschland Gmbh

Martin Herklotz

Josef Beden

Martin Lauer

Manfred Weis

Joachim Manke

Peter Scheunert

Uwe Hahmann

Georg Verch

Fabio Rezzonico

Juergen Klewinghaus

Stefan Oesterreich

Thomas Pusinelli

Goekhan Oerter

Christine Nachbaur-Sturm

Sabine Kipp

Nicolas Beisser

Alexander Bongers

Andre Eicker

Hans-Peter Schneider

Joerg Scherer

Rainer D&ouml;nig

Lars Breuel

Thomas Lindner

J&ouml;rg Bigalke

J&uuml;rgen H&auml;cker

A dialysis machine that includes a valve member having a deformable area configured to deform outwardly away when pressurized fluid is introduced into the valve member. The valve member is configured so that, when a dialysis fluid cassette is disposed in a cassette compartment of the dialysis machine and pressurized fluid is introduced into the valve member, the deformable area obstructs a fluid channel of the dialysis fluid cassette to control dialysis fluid flow therethrough.

Dialysis systems and related methods

Dialysis apparatus

Blood treatment device

A dialysis fluid cassette that includes a base and a flexible membrane attached to the base. The flexible membrane and the base cooperate to at least partially define a venting chamber and a fluid channel fluidly connected to the venting chamber.

Dialysis fluid cassettes and related systems and methods

A method and device for controlling an extracorporeal blood treatment apparatus, which can be operated as a hemodialysis apparatus, hemofiltration apparatus or hemodiafiltration apparatus, are disclosed. The method and device make provision, apart from balancing the fluids as a function of the weights of the containers, for the measurement of the weight reduction or increase of at least one of the containers in the time interval in which the pump assigned to the respective container performs a preset number of revolutions or pump strokes. The change in the weight of the container for a half or one pump revolution can be determined. The delivery rate of the respective pump is ascertained from the measured weight reduction or increase in the specific time interval, thereby permitting the precise determination of the actual delivery rate of one or more pumps. The actual delivery rates of all the pumps are preferably monitored.

Method and device for controlling an extracorporeal blood treatment apparatus

The invention relates to an apparatus for the treatment of a medical liquid comprising a liquid treatment machine and a cassette insertable therein substantially made of a rigid base body of the cassette with fitted chambers and passages and a foil covering them.

Medical fluid cassettes and related systems

A device for the treatment of a medical fluid including a permanently installed fluid treatment machine and a cassette with fluid-carrying channels as well as an elastic matt placed between these two items. The matt channels are recessed in the elastic matt and are provided with slits. Via the matt channels, an optimized vacuum distribution takes place and the slits serve the purpose of removing air between the cassette and the fluid treatment machine.

Device for the treatment of a medical fluid

An apparatus for the treatment of a medical liquid has a liquid treatment machine and a cassette that is insertable in the machine. The cassette has a rigid base body with fitted chambers and passages and a foil that covers the chambers and passages. Actuators and sensors are arranged in the liquid treatment machine for the operation of the apparatus with the inserted cassette such that cassettes are insertable in different integration shapes.

Device for treating a medical liquid

A device for the treatment of a medical fluid including a permanently installed fluid treatment machine and a cassette with fluid-carrying channels as well as an elastic matt placed between these two items. The matt channels are recessed in the elastic matt and are provided with slits. Via the matt channels, an optimised vacuum distribution takes place and the slits serve the purpose of removing air between the cassette and the fluid treatment machine.

The present invention relates to a pumping device for delivering and metering fluids, in particular medical fluids such as dialysis fluids, with a piston unit having a driving device and a piston and with a membrane unit which has a membrane and a first chamber bordered by the membrane. The pumping device also has a hydraulic unit which has a space to accommodate a hydraulic fluid which is connected to the piston of the piston unit and to the first chamber of the membrane unit. The reliability of metering by such a pumping device is increased by providing a control unit for guaranteeing a predefinable metering rate and/or quantity and also providing a measuring device by means of which the axial position of the piston unit can be determined directly and which can be connected to the control unit.

Pumping and metering device

A blood treatment device, in particular a dialysis machine, which permits both single-needle and dual-needle operation. The device has a blood treatment unit, in particular a dialyzer that has an inlet connected to a feed line and an outlet connected to a return line. The feed line has two parallel line branches with a positive displacement pump being connected into the first and second line branches. To produce a fluid connection between the outlet of the dialyzer and one of the two pumps, a connection line is provided. For dual-needle operation, the feed and return lines are connected to an arterial and a venous needle. For single-needle operation, the feed and return lines are brought together and connected to a common needle. The connection line permits single-needle operation without great changes to the structure of the blood treatment device.

Blood treatment device and disposable kit for a blood treatment device

Growing community of inventors

Heusenstamm, Germany

Martin Herklotz