EP4058098A1 - Dispositif de commande ou de régulation, interface utilisateur, et dispositif de traitement du sang pour déterminer de nouvelles valeurs de réglage - Google Patents

Dispositif de commande ou de régulation, interface utilisateur, et dispositif de traitement du sang pour déterminer de nouvelles valeurs de réglage

Info

Publication number
EP4058098A1
EP4058098A1 EP20806974.0A EP20806974A EP4058098A1 EP 4058098 A1 EP4058098 A1 EP 4058098A1 EP 20806974 A EP20806974 A EP 20806974A EP 4058098 A1 EP4058098 A1 EP 4058098A1
Authority
EP
European Patent Office
Prior art keywords
konz
blood
control
value
new
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20806974.0A
Other languages
German (de)
English (en)
Inventor
Bernhard Karow
Juergen Klewinghaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fresenius Medical Care Deutschland GmbH
Fresenius Medical Care GmbH
Original Assignee
Fresenius Medical Care Deutschland GmbH
Fresenius Medical Care GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fresenius Medical Care Deutschland GmbH, Fresenius Medical Care GmbH filed Critical Fresenius Medical Care Deutschland GmbH
Publication of EP4058098A1 publication Critical patent/EP4058098A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3607—Regulation parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/20—Blood composition characteristics

Definitions

  • Control or regulating device, user interface and blood treatment device for determining new setting values
  • the present invention relates to a control or regulating device according to claim 1. It also relates to a user interface according to claim 8 and a
  • Blood treatment device according to claim 12. It further relates to a digital storage medium according to claim 14, a computer program product according to claim 15 and a computer program according to claim 16 or the preambles of the preceding claims.
  • preset setting values for variable treatment parameters on a blood treatment device used for this purpose may, under certain circumstances, be set by a user, e.g. B. the clinic staff, to change the treatment to changing external circumstances, the condition of the patient or his (actual) values determined during the treatment (for example his current blood values).
  • the user can change such setting values e.g. B. on a screen (touchscreen) or other interfaces.
  • One object of the present invention is to propose a further control or regulating device for determining new setting values, a further user interface, a further blood treatment device, a further digital storage medium, a further computer program product and a further computer program.
  • the object according to the invention can be achieved by a control or regulating device having the features of claim 1. You can also use a user interface with the features of claim 8 and a
  • Blood treatment device with the features of claim 12 can also be achieved by a digital storage medium with the features of claim 14, by a computer program product with the features of claim 15 and by a computer program with the features of claim 16.
  • control or regulating device is programmed to control or regulate a
  • Blood treatment device during a treatment of the blood of a patient Such a treatment will or would (mostly by means of an extracorporeal blood tubing set or blood circuit and the blood treatment device) be carried out on the basis of one or more setting values (e.g. a currently set citrate dosage Ci-Konz_prev) of treatment parameters (e.g. the citrate concentration or dosage Ci Conc).
  • setting values e.g. a currently set citrate dosage Ci-Konz_prev
  • treatment parameters e.g. the citrate concentration or dosage Ci Conc
  • Such setting values can be set on the blood treatment device or on an optional device connected to the extracorporeal blood tubing set.
  • the control or regulating device is further programmed to read in (for example into a computing device) at least one measured value of a blood parameter (e.g. a calcium concentration or dosage of the blood, for short: Ca-conc) as its actual value.
  • a blood parameter e.g. a calcium concentration or dosage of the blood, for short: Ca-conc
  • the measured value may have been obtained by analyzing blood in a laboratory.
  • the blood can be given to the patient during the Blood treatment session by means of a needle or without a needle (e.g. by taking the sample from the extracorporeal blood in the extracorporeal blood circuit). Such samples can be taken several times during an ongoing blood treatment session and analyzed with identical objectives.
  • this actual value is also programmed to compare this actual value with a setpoint value of this blood parameter (e.g. Ca-conc) stored, for example, on the machine side in the control or regulating device or a storage device.
  • a setpoint value of this blood parameter e.g. Ca-conc
  • the blood treatment device z. B. directly at this set value of one of the treatment parameters (for example the above-mentioned Ci-Conc), z. B. from current settings on the blood treatment device, set for the current treatment.
  • Ci-Konz_korr for the set value (Ci-Konz_prev), also referred to as correction factor for short (alternative a)
  • correction factor for short also referred to as correction factor for short (alternative a)
  • Ci-Konz_new also referred to as correction factor for short (alternative b)
  • the correction value or correction factor (e.g. Ci-Konz_korr) determined in alternative a) is used to change the set setting value (Ci-Konz_prev) of the treatment parameter (Ci-Konz) based on it, which changes the current value or the current level of the blood parameter in the direction of its target value, or for example, a change in the blood parameter from a current value, regardless of whether it is measured or not, in the direction of its nominal value, is intended to effect.
  • control or regulating device can be programmed to directly determine a new setting value (z. B. Ci-Konz_new) for controlling or regulating the blood treatment device with the new setting value (Ci-Konz_new), its application also for changing of the current value or the current level of the blood parameter in the direction of its desired target value, or, for example, to changing the blood parameter from a current value, whether measured or not, in the direction of its desired target value.
  • a new setting value z. B. Ci-Konz_new
  • the desired change in the blood parameter should be such that the actual value will change in the course of the further treatment of the patient, preferably in the direction of the target value.
  • the correction value or the new setting value is determined based both on the determined actual value and on the desired or stored target value.
  • the control or regulating device is further programmed in each case in order to determine the new setting value (e.g. Ci-Konz_new) and optionally to control or regulate the blood treatment device using the new setting value (Ci- Konz_new) to be kept automatically in the control or regulating device.
  • the new setting value e.g. Ci-Konz_new
  • Ci- Konz_new the new setting value
  • Temporary - Save can be understood, for example in a working memory.
  • the provision is preferably not to be understood in such a way that the control or regulating device automatically begins processing by means of the new setting value without being requested or authorized to do so, for example by the user.
  • the blood treatment device is prompted to start the treatment with the new setting value in response to a request, e.g. B. by the user to continue, this is already available for the control and regulating device on the machine side.
  • setting value can include the term “dose value” here.
  • the user interface according to the invention is connected in signal communication with a control or regulating device, in particular according to the invention.
  • the blood treatment device has a control or regulating device, in particular according to the invention, and / or a user interface, in particular according to the invention, or is at least connected to such or these devices, for example in signal communication.
  • Control or regulating device and / or user interface can be provided to enable the treatment by means of the
  • a digital, in particular non-volatile, storage medium according to the invention in particular in the form of a machine-readable carrier, in particular in the form of a floppy disk, CD, DVD, EPROM, FRAM (Ferroelectric RAM) or SSD (Solid-State-Drive), in particular with electronically or optically readable , Control signals, can interact with a programmable computer system in such a way that a Control or regulating device is programmed to a control or regulating device according to the invention.
  • a computer program product has a volatile, volatile program code or a signal wave stored on a machine-readable carrier in order to interact with a programmable computer system in such a way that a control or regulating device is reprogrammed into a control or regulating device according to the invention.
  • a computer program product can be, for example, a computer program stored on a carrier, an embedded system as a comprehensive system with a computer program (e.g. an electronic device with a computer program), a network of computer-implemented computer programs (e.g. a client / Server system, a cloud computing system, etc.) or a computer on which a computer program is loaded, runs, is stored, executed or developed.
  • machine-readable carrier denotes a carrier that contains data or information that can be interpreted by software and / or hardware.
  • the carrier can be a data carrier, such as a floppy disk, CD, DVD , a USB stick, a flash card, an SD card and the like as well as any other memory or any other storage medium mentioned herein.
  • a computer program according to the invention has a program code for causing a control or regulating device to be programmed for a control or regulating device according to the invention when the computer program runs on an appropriate computer.
  • a computer program can be understood to mean, for example, a physical, marketable software product which has a program.
  • Embodiments according to the invention can have one or more of the features mentioned above or below.
  • the features mentioned herein can be the subject of embodiments according to the invention in any combination, provided the person skilled in the art does not recognize a specific combination as technically impossible.
  • Embodiments according to the invention are also the subject of the subclaims.
  • the present invention preferably also comprises a corresponding programming or configuration of a suitable device, in particular according to the invention, or a section thereof.
  • the determination of the correction value or factor (e.g. Ci-Konz_korr) or the new setting value (e.g. Ci-Konz_new) is or comprises falling back on stored values. These can e.g. B. in tabular form.
  • the determination can be or comprise a calculation and / or the like.
  • information about how much time has passed since the last change to the setting value can flow into the determination of the correction value or factor (e.g. Ci-Konz_korr) or the new setting value (e.g. Ci-Konz_new) . It can be provided that the patient is treated immediately with the new setting value as soon as this has been accepted. Alternatively, however, attenuation, delay or attenuation can be provided in such a way that the new The setting value is only used with a delay and / or gradually in the treatment of the patient or comes into effect. Provision can thus be made for the new setting value to come into full effect all the later, the less the time ago at which the setting value was last changed, or vice versa.
  • the correction value or factor e.g. Ci-Konz_korr
  • the new setting value e.g. Ci-Konz_new
  • the determination by means of which measurement value method and / or by means of which measuring device the measurement value was obtained can flow into the determination.
  • the measured value corresponds to a concentration value of calcium, in particular of ionized calcium, in the patient's blood.
  • the measured value corresponds to a concentration or a concentration value of calcium in the patient's blood which was taken from or is present in the extracorporeal blood circuit, in particular the venous limb or downstream of a blood filter.
  • the measured value can be understood to be current for the purpose of the present invention even if, since it was collected by measuring, time, e.g. B. has passed for its processing.
  • the treatment parameter is or comprises a concentration of citrate in the patient's blood, in particular in the blood present in the extracorporeal blood tubing set, in particular in the arterial limb or upstream of a blood filter.
  • the treatment parameter can also be a citrate concentration of a citrate-containing solution that is added to the blood, or its flow or rate (e.g. in ml / min).
  • the control or regulating device according to the invention is programmed to control or regulate the blood treatment device based on the correction value or factor (e.g. Ci-Konz_korr) or the new setting value (e.g. Ci-Konz_new), preferably without this the blood treatment device, for example by means of a user interface, would have to be transmitted or entered.
  • the blood treatment device is preferably controlled or regulated based on the correction value or factor (e.g. Ci-Konz_korr) or the new setting value (e.g. Ci-Konz_new), but only after the user has confirmed this value.
  • control or regulating device is programmed to control or regulate the blood treatment device based on the new, changed setting value (Ci-Konz_new) des
  • Treatment parameters preferably automatically.
  • Blood treatment device based on the changed, new setting value (Ci-Konz_new) of the treatment parameter, but only after the user has confirmed the changed setting value.
  • the confirmation can be a simple actuation of an “OK” button or the like.
  • the confirmation does not include typing, entering, selecting, etc. setting values from a large number of options or even calculating them in the head.
  • the correction value or factor results from a e.g. B. stored in the control or regulating device or a storage device comparison table. This can preferably be taken from how much the actual value deviates from the target value and which correction is proposed in each case for this case.
  • the new set value is calculated from the last set value and the correction value or factor, e.g. B. by means of subtraction or addition.
  • the user interface according to the invention has at least one first input interface for the user to input the measured value, usually during the blood treatment, as an actual value (for example Ca ++ _ actual).
  • This actual value can have been determined by measuring in the laboratory, e.g. B. after a blood sample.
  • the first input interface can be a correspondingly connected touchscreen, a rotary switch, a slider, a keyboard, a network interface to a computer system in the practice, the clinic or the hospital or the like.
  • the first input interface can additionally or alternatively comprise a network interface via which z. B. the clinic, for example, a Ca ++ actual value can be taken over. For example, readings that contain a
  • Examination unit such as a BGA (blood gas analysis) device the network passes, in connection z. B. with data to identify the associated patient such as their ID,
  • the user interface according to the invention has at least one first output interface, by means of which the correction value or factor (e.g. Ci-Konz_korr) or the setting value changed or corrected based on the correction value are output as a new setting value for the user to take note of can.
  • the output interface can, for example, be a correspondingly stored or configured display area (window) of a monitor, touchscreen or the like.
  • the user interface according to the invention has at least one second input interface, configured so that the user can use this to confirm the output correction value or factor (e.g. Ci-Konz_korr) or the setting value changed or corrected based on the correction value as a new setting value.
  • This can be implemented, for example, by offering two buttons (e.g. "yes” / “no” or "OK” / "C”).
  • the second input interface can be configured like the first input interface, or differently from it.
  • the first input interface and the second input interface can be present in a common unit, such as parts of the same touchscreen.
  • the blood treatment device according to the invention is designed as a dialysis device, hemodialysis device, hemofiltration device or
  • Further treatment parameters can be, for. B. be the concentration with which calcium z. B. is supplied from a calcium solution source, a
  • Dialysis fluid rate (or flow), a blood delivery rate, etc.
  • Further blood parameters can be parameters of the
  • An advantage of the present invention can be that the adaptation of treatment parameters (that is, the changing of setting values), for example the correction of the set dosage of anticoagulants such as. B. citrate, is greatly simplified. As a result of the simplification, in particular even the less experienced Users are given more security when specifying or setting a desired dosage.
  • the probability of errors in the adaptation of treatment parameters can be significantly reduced, for example because mental arithmetic steps and / or input errors such as typing errors by the user can be omitted.
  • the patient safety can also advantageously be increased indirectly.
  • the competence and responsibility for changing the setting values can, however, advantageously remain with the user, if z. B. a confirmation is requested from the user by the control or regulation device and the change in the setting value is only accepted after positive confirmation by the user.
  • the user thus receives valuable support from the control or regulating device according to the invention, but without being able to be surprised by it through an unauthorized action.
  • Fig. 1 shows a greatly simplified representation
  • Fig. 2 shows a schematic representation of the sequence of a method by means of an embodiment a control or regulating device according to the invention.
  • Fig. 1 shows, in a greatly simplified representation, a process flow diagram of a process according to the invention
  • Blood treatment device 100 optionally connected to an extracorporeal blood circuit 300.
  • the extracorporeal blood circuit 300 has a first line 301, here in the form of an arterial line section.
  • the first line 301 is in fluid connection with a blood treatment device, here by way of example a blood filter or dialyzer 303.
  • the blood filter 303 has a dialysis fluid chamber 303a and a blood chamber 303b, which are separated from one another by a mostly semi-permeable membrane 303c.
  • the extracorporeal blood circuit 300 also has at least one second line 305, here in the form of a venous line section. Both the first line 301 and the second line 305 can serve to connect them to the vascular system of the patient (not shown).
  • the first line 301 is optionally connected to a (first) hose clamp 302 for blocking or closing the line 301.
  • the second line 305 is optionally connected to a (second) hose clamp 306 for blocking or closing the line 305.
  • the blood treatment device 100 which is represented in FIG. 1 only by some of its devices and schematically has a blood pump 101.
  • the blood pump 101 conveys blood through sections of the extracorporeal blood circuit 300 and in the direction of the blood filter or dialyzer 303, as indicated by the small arrowheads which generally indicate the direction of flow in each of the figures.
  • a pump for dialysis fluid 121 which can be designed as a roller pump or as another occluding pump, fresh dialysis fluid is drawn from a source 200 along the
  • Dialysis fluid supply line 104 is pumped into the dialysis fluid chamber 303a. The dialysis fluid leaves the
  • Dialysis fluid chamber 303a as dialysate, optionally enriched with filtrate, in the direction of the
  • Effluent pouch 400 and is referred to herein as effluent.
  • the source 200 can be, for example, a bag or a container.
  • the source 200 may also be a fluid conduit from which on-line and / or continuously generated or mixed liquid is provided, e.g. B. a hydraulic outlet or connection of the blood treatment device 100.
  • a further source 201 with a substituate can optionally be provided. It can correspond to the source 200 or be a separate source.
  • a control or regulating device 150 which is only indicated, can be configured to regulate or control the blood treatment session.
  • At the bottom right is indicated in Fig. 1, where the
  • Effluent bag 400 is connected to the blood treatment device 100.
  • each optional pumps namely the pump 111 for substituate, the pump 121 for dialysis fluid and the pump 131 for the effluent.
  • the pump 121 is provided in order to supply dialysis fluid from a source 200, for example a bag, and via an optionally available bag heater H2 with a heating bag to the blood filter 303 by means of the dialysis fluid supply line 104.
  • the dialysis fluid supplied in this way emerges from the blood filter 303 again via a dialysate drain line 102, supported by the optional pump 131, and can be discarded.
  • An optional arterial sensor PSI is provided upstream of the blood pump 101. While the patient is being treated, it measures the pressure in the arterial line.
  • a further, optional pressure sensor PS2 is provided downstream of the blood pump 101, but upstream of the blood filter 303 and, if provided, upstream of an addition point 25 for heparin. It measures the pressure upstream of the blood filter 303 (“pre-hemofilter”).
  • Another pressure sensor can be used as PS4 downstream of the blood filter 303, but preferably upstream of the pump 131, be provided in the dialysate drain line 102 for measuring the filtrate pressure of the blood filter 303.
  • Blood leaving the blood filter 303 flows through an optional venous blood chamber 29, which can have a venting device 31 and / or a further pressure sensor PS3.
  • the control or regulating device 150 shown in FIG. 1 can be in wired or wireless signal connection with any of the components mentioned herein - at least or in particular with the blood pump 101 - for controlling or regulating the blood treatment device 100.
  • the optional pump 111 is provided in order to supply substituate from the optional source 201, for example a bag, and to the second line 305 via an optionally available bag heater H1 with a heating bag.
  • a citrate solution is dispensed into line 301 from an optionally provided source for citrate solution, here configured as a citrate bag 9, optionally by means of a citrate pump 15.
  • a citrate pump 15 for example, 4% nasal citrate is supplied from the source for citrate solution.
  • An optional adding device designed here as a calcium pump 12, is provided in order to deliver a calcium solution into the line 305 from an optional source for calcium solution, designed as a calcium bag 13 in FIG. 1, for example.
  • a CaCl2 solution is supplied from the source for calcium solution. This can be a Have a calcium concentration of 91 mmol / 1, 100 mmol / 1 or another and / or comparable calcium concentration.
  • Fig. 2 schematically shows the sequence of a method initiated by a control or regulating device 150 according to the invention of a blood treatment device 100 in an exemplary embodiment.
  • This example relates to anticoagulation using citrate and calcium, without wishing to restrict the invention thereto.
  • Ml here corresponds to a measured value, for example a blood parameter not determined by means of the blood treatment device 100 or the control or regulating device 150, that is to say its actual value, which was determined, for example, in the laboratory using a blood sample.
  • Ml can be, for example, a measured calcium concentration Ca ++ _ Ist.
  • the measured value Ml is known to a user U.
  • the user U can read the measured value Ml z. B. input via a first input interface II of a user interface 3 and let in by the control or regulating device 150, wherein the user interface 3 can be part of the control or regulating device 150, the blood treatment device 100 or another device. Alternatively, the control or regulating device 150 automatically reads in the measured value Ml.
  • the reading-in step is denoted by S1 in FIG. 1.
  • the user U can optionally check the current setting value, e.g. B. Ci-Konz_prev, request.
  • Optional plausibility checks by the control or regulating device 150 are possible at any point in time, for example when entering data and / or values or when calculating further values, and can likewise be encompassed by the present invention.
  • the actual value Ca ++ _ actual read in is compared with, for example, setpoint values Ca ++ _ setpoint stored on the machine of the blood parameter Ca-Conc.
  • a correction value / factor Ci-Konz_korr or a proposal for a new setting value Ci-Konz_new is now based on a set setting value Ci-Konz_prev and the values determined in step S2 calculated.
  • a change in future actual values of the blood parameter Ca-Conc in the direction of its target value Ca ++ _ target can be worked towards.
  • step S4 the output of the value calculated in S3, that is to say either the correction value Ci-Konz_korr or the new setting value Ci-Konz_new, is prompted by the user U for information and / or confirmation by means of an output interface 12.
  • a confirmation by the user U is requested, purely by way of example, via a second input interface 13.
  • Step S5 represents an evaluation and, if necessary, further processing of this second input, which can be, for example, “yes” or “no”, “OK” or “C”.
  • step S6 the new setting value Ci-Konz_new is automatically held in the control or regulating device 150 for controlling and regulating the blood treatment device 100 based on the new setting value Ci-Konz_new for further treatment upon request (the request can enable the new Setting value Ci-Konz_new by the user U), in particular until another change, represented by the broad arrow in the direction of the treatment device 100.
  • control or regulating device 150 is shown as an example as a section of the treatment device 100.
  • the present invention also encompasses other arrangements of the same, for example separately on, on and / or next to the blood treatment device 100.
  • the above exemplary embodiment relates to the measurement of calcium as a blood parameter and the dosage of citrate as a setting value.
  • the present invention is in no way restricted to this. List of reference symbols

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

La présente invention concerne un dispositif de commande ou de régulation (150) qui est programmé pour commander ou réguler un dispositif de traitement du sang (100) durant un traitement du sang d'un patient, ledit traitement étant conduit à l'aide d'un ensemble tubulure extracorporel de sang (300) et le dispositif de traitement du sang (100) utilisant des valeurs de réglage (Ci-Konz_prev) pour les paramètres de traitement (Ci-Konz), lesdites valeurs étant définies sur le dispositif de traitement du sang (100) ou sur un dispositif éventuellement relié à l'ensemble tubulure extracorporel de sang (300), après les lectures (S1) au moins une valeur mesurée (M1) recueillie durant le traitement du sang comme valeur réelle (Ca++_Ist) pour un paramètre de sang (Ca-Konz), le dispositif de commande ou de régulation (150) étant additionnellement programmé pour comparer (S2) ladite valeur mesurée à une valeur cible stockée (Ca++_Soll) pour le paramètre de sang (Ca-Konz). Sur la base de la comparaison et tout en prenant en considération une valeur de réglage (Ci-Konz_prev) qui a été définie pour l'un des paramètres de traitement (Ci-Konz), soit une valeur de correction soit un facteur (Ci-Konz_korr) est déterminé·e (S3) afin de modifier la valeur de réglage (Ci-Konz_prev) ou une nouvelle valeur de réglage (Ci-Konz_new) qui a été définie dans chaque cas afin de modifier la valeur du paramètre de sang (Ca-Konz) vers la valeur cible (Ca++_Soll) pour ledit paramètre, et la valeur de correction ou le facteur est fourni·e (S6) automatiquement par le dispositif de commande ou de régulation afin de commander et de réguler le dispositif de traitement du sang (100) en utilisant la nouvelle valeur de réglage (Ci-Konz_new).
EP20806974.0A 2019-11-12 2020-11-11 Dispositif de commande ou de régulation, interface utilisateur, et dispositif de traitement du sang pour déterminer de nouvelles valeurs de réglage Pending EP4058098A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019130432.6A DE102019130432A1 (de) 2019-11-12 2019-11-12 Steuer- oder Regelvorrichtung, User-Interface und Blutbehandlungsvorrichtung zum Ermitteln neuer Einstellwerte
PCT/EP2020/081732 WO2021094357A1 (fr) 2019-11-12 2020-11-11 Dispositif de commande ou de régulation, interface utilisateur, et dispositif de traitement du sang pour déterminer de nouvelles valeurs de réglage

Publications (1)

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EP4058098A1 true EP4058098A1 (fr) 2022-09-21

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EP20806974.0A Pending EP4058098A1 (fr) 2019-11-12 2020-11-11 Dispositif de commande ou de régulation, interface utilisateur, et dispositif de traitement du sang pour déterminer de nouvelles valeurs de réglage

Country Status (6)

Country Link
US (1) US12569605B2 (fr)
EP (1) EP4058098A1 (fr)
JP (1) JP2023500006A (fr)
CN (1) CN115443160A (fr)
DE (1) DE102019130432A1 (fr)
WO (1) WO2021094357A1 (fr)

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US11998673B1 (en) 2023-02-20 2024-06-04 Nuwellis, Inc. Extracorporeal blood filtering machine and methods

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US12569605B2 (en) 2026-03-10
WO2021094357A1 (fr) 2021-05-20
US20220409796A1 (en) 2022-12-29
CN115443160A (zh) 2022-12-06
JP2023500006A (ja) 2023-01-04

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