Abstract: The invention relates to a medical treatment device with a housing, with a connection unit for producing a fluidic connection between the hydraulics of the treatment device and a connector connected to a disposable that conducts fluid during use. This connection is used to convey dialysate into the extracorporeal blood circuit. The connection unit and the connector are designed such that particularly hygienic conditions exist upon connection and disconnection of the disposable.

Abstract: A dialysis machine has two hydraulic connectors at the dialysate side to which a respective connection line having a filter coupling is connected for connection to a dialyzer, with the hydraulic connectors being an inflow connector for feeding fresh dialysis liquid to the dialyzer and a backflow connector for draining consumed dialysate from the dialyzer. The dialyzer machine also has two parking positions associated with the respective hydraulic connectors for storing the filter couplings when not in operation, wherein the filter couplings of both hydraulic connectors are equipped with a connection sensor which recognizes a connecting of the filter coupling to a dialyzer and/or that both parking positions are provided with separate covers.

Abstract: The present disclosure relates to an insert piece for a blood tubing set. The insert piece includes at least a first connection site for connecting a first tubing portion of the blood tubing set to the insert piece, and a second connection site for connecting a second tubing portion of the blood tubing set to the insert piece. The insert piece also includes a third connection site for connecting a third tubing portion of the blood tubing set to the insert piece, and a main line for forwarding a first liquid through the insert piece. The main line is in fluid communication with the first connection site and with the second connection site. The insert piece also includes a secondary line for forwarding a second liquid into the main line. The secondary line is in fluid communication with the third connection site.

Abstract: The invention relates to an extracorporeal blood treatment device for carrying out an extracorporeal blood treatment, in which blood flows in an extracorporeal blood circuit A through the blood chamber 2 of a dialyser 1 which is divided by a semi-permeable membrane 4 into the blood chamber 2 and a dialysate chamber 3. The invention further relates a method for monitoring the integrity of a dialyser 1. The blood treatment device provides a preparation mode in preparation for the blood treatment, in which the dialysate chamber 3 of the dialyser 1 (filter) is filled with a liquid, while the blood chamber 2 is not filled with blood, and a treatment mode following the preparation mode, in which blood is conveyed through the blood chamber 2. For monitoring the integrity of the dialyser 1, in the preparation mode the fluid system B including the dialysate chamber 3, or a portion of the fluid system including the dialysate chamber, is filled with a liquid.

Abstract: The present invention relates to a method for disconnecting two fluid-conducting line sections of a medical device which are detachably interconnected, wherein a first line section of the two line sections has at least partially an elastic property. The method comprises the steps of enclosing a fluid volume in the two line sections, generating a reduced pressure in the two line sections, as a result of which elastic deformation from a starting position into a tensioned position takes place in and/or on the first line section, wherein a fluid volume contained in the first line section is lower in the tensioned position than a fluid volume contained in the starting position, and detaching the connection of the line sections, wherein the fluid volume contained in the first line section in the tensioned position increases. Furthermore, the invention relates to a medical device which is configured to carry out a method of this kind.

Abstract: The present invention relates to a method for removing a first fluid from a blood filter for the blood treatment of a patient and/or for removing blood from the blood filter after completing the blood treatment session. It further relates to a medical treatment apparatus having a control device with which a method for removing a first fluid from a blood filter is executable, a digital storage medium, and a computer program product.

Abstract: The invention relates to an apparatus for extracorporeal blood treatment that comprises a device 1 for providing fresh dialysate and a drain 2 for used dialysate, a balancing device 4 for balancing fresh dialysate and used dialysate, an ultrafiltration device 15, and a dialyser 3 that is divided into a blood chamber 6 and a dialysate chamber 7 by a semi-permeable membrane 5. The invention further relates to a method for operating such an apparatus for extracorporeal blood treatment. The apparatus according to the invention is based on the use of the ultrafiltration device 15 of the blood treatment apparatus for raising the liquid level in the air separation device 12 on the secondary side of the dialysate system I. In the apparatus according to the invention, the ultrafiltration device 15 is designed such that the ultrafiltration device can be operated not only in an ultrafiltration mode, but also in a ventilation mode.

Abstract: The present invention relates to a dialysis machine having two hydraulic connectors at the dialyzate side to which a respective connection line having a filter coupling is connected for connection to a dialyzer, with the hydraulic connectors being an inflow connector for feeding fresh dialysis liquid to the dialyzer and a backflow connector for draining consumed dialyzate from the dialyzer, and having two parking positions associated with the respective hydraulic connectors for storing the filter couplings when not in operation, wherein the filter couplings of both hydraulic connectors are equipped with a connection sensor which recognizes a connecting of the filter coupling to a dialyzer and/or that both parking positions are provided with separate covers.

Abstract: The invention relates to a dialysis machine having two hydraulic connectors at the dialyzate side to which a respective connection line having a filter coupling is connected for connection to a dialyzer, with the hydraulic connectors being an inflow connector for feeding fresh dialysis liquid to the dialyzer and an outflow connector for draining consumed dialyzate from the dialyzer, and having two parking positions associated with the respective hydraulic connectors for storing the filter couplings when not in operation, wherein the inflow connector and the parking position associated with the outflow connector are arranged spaced apart from one another at the machine and the length of the connection line connected to the inflow connector is smaller than this spacing, and wherein the outflow connector and the parking position associated with the inflow connector are arranged spaced apart from one another at the machine and the length of the connection line connected to the outflow connector is smaller than th

Abstract: An apparatus for treating a medical fluid is provided which includes a treatment machine having a coupling surface, with a cassette made of a hard part having liquid-conducting passages which are covered by a flexible film being able to be coupled to the coupling surface of the treatment machine. A corresponding medical cassette is also provided. An air-free coupling of the flexible film of the cassette to the treatment machine is ensured in that air can be sucked out areally along a plane between the flexible film and the coupling surface during the coupling process and/or with a coupled cassette. A method for coupling the cassette and a method for checking the leaktightness of the cassette via the vacuum control of the air suction is also provided.

Abstract: The present invention relates to a method for removing a first fluid from a blood filter for the blood treatment of a patient and/or for removing blood from the blood filter after completing the blood treatment session. It further relates to a medical treatment apparatus having a control device with which a method for removing a first fluid from a blood filter is executable, a digital storage medium, and a computer program product.

Abstract: The present disclosure relates to an insert piece for a blood tubing set. The insert piece includes at least a first connection site for connecting a first tubing portion of the blood tubing set to the insert piece, and a second connection site for connecting a second tubing portion of the blood tubing set to the insert piece. The insert piece also includes a third connection site for connecting a third tubing portion of the blood tubing set to the insert piece, and a main line for forwarding a first liquid through the insert piece. The main line is in fluid communication with the first connection site and with the second connection site. The insert piece also includes a secondary line for forwarding a second liquid into the main line. The secondary line is in fluid communication with the third connection site.

Abstract: The present invention relates to a method for removing fluid from a blood filter (19) for the blood treatment of a patient and/or for removing blood from the flood filter (19) after completing the blood treatment session. It further relates to a control and/or regulating device (29), a medical treatment apparatus having a control and/or regulating device (29) with which the method according to the present invention is executable, a digital storage medium, a computer program product as well as a computer program.

Abstract: A check valve assembly having an inlet and an outlet for medical fluids, comprising a valve body, wherein the check valve assembly in an initial state allows a flow of a working fluid and/or a sterilization fluid through the check valve assembly in both directions of flow, that is from the inlet to the outlet and vice versa, and wherein the check valve assembly in an operating state allows only one direction of flow of the working fluid, wherein the check valve assembly comprises a pin-pin-reception connection, which is embodied so that the check valve assembly can be transferred from the initial state into the operating state by applying force on the pin-pin-reception connection and/or by an impression of path on the pin-pin-reception connection.

Abstract: The invention relates to a blood treatment device comprising an attachment unit 7 for attaching a functional unit 1 intended for single use for carrying out the blood treatment. The blood treatment device according to the invention is characterised by a monitoring unit 8 for monitoring the operability and/or the operating state of the functional unit 1, which functional unit comprises at least one light transmitter 17A, 18A and at least one light receiver 17B, 18B. The light transmitter and light receiver are arranged in the monitoring unit 8 according to the invention on one side of the functional unit 1. The arrangement of the light transmitter and light receiver on the same side has the advantage that the monitoring unit 8 can be integrated into the attachment unit 7 of the blood treatment device without any major structural modifications.

Abstract: The invention relates to an extracorporeal blood treatment device for carrying out an extracorporeal blood treatment, in which blood flows in an extracorporeal blood circuit A through the blood chamber 2 of a dialyser 1 which is divided by a semi-permeable membrane 4 into the blood chamber 2 and a dialysate chamber 3. The invention further relates a method for monitoring the integrity of a dialyser 1. The blood treatment device provides a preparation mode in preparation for the blood treatment, in which the dialysate chamber 3 of the dialyser 1 (filter) is filled with a liquid, while the blood chamber 2 is not filled with blood, and a treatment mode following the preparation mode, in which blood is conveyed through the blood chamber 2. For monitoring the integrity of the dialyser 1, in the preparation mode the fluid system B including the dialysate chamber 3, or a portion of the fluid system including the dialysate chamber, is filled with a liquid.

Abstract: A blood treatment cassette having a cassette body embodied as a hard part and, optionally, a film which is connected to the hard part and at least partially covers the hard part, wherein the hard part comprises at least one sterilization opening, and wherein the sterilization opening comprises a closure device. The invention also relates to a blood treatment apparatus for using the blood treatment cassette.

Abstract: The invention relates to an apparatus for extracorporeal blood treatment that comprises a device 1 for providing fresh dialysate and a drain 2 for used dialysate, a balancing device 4 for balancing fresh dialysate and used dialysate, an ultrafiltration device 15, and a dialyser 3 that is divided into a blood chamber 6 and a dialysate chamber 7 by a semi-permeable membrane 5. The invention further relates to a method for operating such an apparatus for extracorporeal blood treatment. The apparatus according to the invention is based on the use of the ultrafiltration device 15 of the blood treatment apparatus for raising the liquid level in the air separation device 12 on the secondary side of the dialysate system I. In the apparatus according to the invention, the ultrafiltration device 15 is designed such that the ultrafiltration device can be operated not only in an ultrafiltration mode, but also in a ventilation mode.

Abstract: An apparatus for treating a medical fluid is provided which includes a treatment machine having a coupling surface, with a cassette made of a hard part having liquid-conducting passages which are covered by a flexible film being able to be coupled to the coupling surface of the treatment machine. A corresponding medical cassette is also provided. An air-free coupling of the flexible film of the cassette to the treatment machine is ensured in that air can be sucked out areally along a plane between the flexible film and the coupling surface during the coupling process and/or with a coupled cassette. A method for coupling the cassette and a method for checking the leaktightness of the cassette via the vacuum control of the air suction is also provided.

Abstract: The invention relates to a blood treatment device comprising an attachment unit 7 for attaching a functional unit 1 intended for single use for carrying out the blood treatment. The blood treatment device according to the invention is characterised by a monitoring unit 8 for monitoring the operability and/or the operating state of the functional unit 1, which functional unit comprises at least one light transmitter 17A, 18A and at least one light receiver 17B, 18B. The light transmitter and light receiver are arranged in the monitoring unit 8 according to the invention on one side of the functional unit 1. The arrangement of the light transmitter and light receiver on the same side has the advantage that the monitoring unit 8 can be integrated into the attachment unit 7 of the blood treatment device without any major structural modifications.