EP2126768A2 - Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang - Google Patents

Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang

Info

Publication number
EP2126768A2
EP2126768A2 EP07856149A EP07856149A EP2126768A2 EP 2126768 A2 EP2126768 A2 EP 2126768A2 EP 07856149 A EP07856149 A EP 07856149A EP 07856149 A EP07856149 A EP 07856149A EP 2126768 A2 EP2126768 A2 EP 2126768A2
Authority
EP
European Patent Office
Prior art keywords
user
steps
blood treatment
treatment
display
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.)
Ceased
Application number
EP07856149A
Other languages
German (de)
English (en)
Inventor
Stefan Moll
Gerhard Bock
Dolgos Sandor
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.)
B Braun Avitum AG
Original Assignee
B Braun Avitum AG
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 B Braun Avitum AG filed Critical B Braun Avitum AG
Priority to EP07856149A priority Critical patent/EP2126768A2/fr
Publication of EP2126768A2 publication Critical patent/EP2126768A2/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Definitions

  • the invention relates to a method for controlling a device for extracorporeal blood treatment according to the preamble of patent claim 1. Furthermore, the invention relates to a device for extracorporeal blood treatment according to the preamble of patent claim 14.
  • Such blood treatment devices are primarily dialysis machines as well as devices for hemofiltration and hemodiafiltration. Such devices are complex due to the treatment and the extensive technical design. Therefore, the operator must be specially trained.
  • steps When using a dialysis machine, individual steps must be carried out one after the other. Such steps include, for example: preparing the device, applying the patient to the tube system, the actual therapy and the follow-up of the therapy.
  • Dialysis machines are known in which the user selects the respective next step based on experience and sets it independently. Another concept is described in DE 103 23 843 A1. Thereafter, various temporal modes of blood treatment are displayed on a touch screen so that an operator can make a selection. The currently running temporal mode is identified by a control device and displayed selected on the touch screen. The end of a temporal mode is detected to automatically initiate the beginning of the subsequent temporal mode.
  • the modes are processed in a fixed time sequence.
  • the invention is therefore based on the object of specifying a method for controlling a device for extracorporeal blood treatment, which guides the user through the individual steps of a dialysis treatment, but still gives him the opportunity to react flexibly and a program according to his personal intention or habit and to be tailored to the needs of the patient being treated, without being bound by rigid guidelines.
  • the method according to the invention is characterized in that time sequences for method step sequences of different users and / or patients can be stored on an external or internal storage medium of the device and that a plurality of alternative method steps that can be carried out next are displayed by means of the display means, one of which is selectively selectable by the user in which one of the displayed method steps is provided with one identification (52) and the identification of this method step takes place on the basis of the stored previous method steps of the same user and / or on the basis of stored earlier process steps for the same patient.
  • the method according to the invention allows the user to carry out a blood treatment on the basis of treatments already carried out by him and / or on the basis of the blood treatments already carried out on the respective patient.
  • the user is thereby able to rely on empirical evidence of previous blood treatments performed by him and / or previous blood treatments performed on the same patient since one of the next practicable alternative method steps is labeled.
  • This marking is made by the control of the device for extracorporeal blood treatment independently based on already performed blood treatments by the user and / or on the patient, since these can be retrieved on an internal or external storage medium for the controller.
  • the marking is carried out via a statistical evaluation of the stored earlier process steps.
  • the user is thus shown on the display means the most probable next step on the basis of the previous process steps next step.
  • a screen in particular a touch screen, is used as the display means.
  • the process steps to be carried out alternatively can be displayed in a simple manner and can be characterized as being preferred by the control.
  • a touch screen it must be considered as an integral part of the user interface, as it sends the command to the controller to perform the next step in the process.
  • a conventional screen can be used, wherein the selection of the display fields is done by a mouse pointer.
  • the selection of one of the displayed method steps is carried out by pressing a control element.
  • This can be formed advantageously as a hardkey outside the display means. This ensures that the user confirms the next one Procedure step and thus to send a command to the control always the same button or the same button must be pressed. This ensures a concise and memorable workflow for the user.
  • the flagged step will be executed automatically if the user has not responded within a predetermined time after the start of the tag, i. neither pressed the marked key nor another selection key.
  • next method step it is also possible for the next method step to be started only when the user initiates this method step.
  • the user is requested by the device for extracorporeal blood treatment to perform a selection, if after a predetermined period of time a selection by the user has not taken place.
  • Such a measure can prevent the device for extracorporeal blood treatment from automatically executing a next method step, which is automatically selected on the basis of the stored earlier method steps, but does not appear to make sense on the basis of the current circumstances. A risk to the patient to be treated due to an automated procedure is therefore excluded.
  • the labeling of the next process step is carried out not only based on stored earlier procedures, but also in dependence on environmental parameters of the device for extracorporeal blood treatment.
  • the user-friendliness of the entire process can be further increased, since these environmental parameters of the Control automatically detected and taken into account in the identification of the next step to be proposed.
  • Such environmental parameters may be, for example but not limited to:
  • the supply of the device for extracorporeal blood treatment with (dialysis) concentrate and / or dialyzable water in particular whether a central concentrate and / or water supply for at least two devices for extracorporeal blood treatment or an isolated, local concentrate supply for the device for extracorporeal blood treatment is present, and / or b) the control of the device for extracorporeal blood treatment, in particular whether the blood treatment device via a network or by means of an isolated, local
  • Control is controllable.
  • the identification of a next process step also takes place with the use of sensors determined operating conditions.
  • sensors determined operating conditions not only past process steps of the same user and / or the same patient are taken into account in the labeling of the next process step, but also actual operating conditions are taken into account, which are determined and monitored by sensors.
  • the user can enter additional user and / or patient information into the stored previous procedural steps of the same user during a treatment at any time during the treatment by means of the user interface (37) a) and / or have been disregarded for the same patient, and / or b) the further course of the procedure can be entered in specified procedural steps
  • the transitions from one step to the next or from one phase to the next are not fully automatic, but only by recommendation, whereby the user has the opportunity to deviate from the recommendation. If, on the other hand, the user follows the recommendation by selecting the marked step, the next meaningful operating step marked is executed.
  • the user When using the method according to the invention, the user is not automatically forced to a specific process, but he has .e own design options, but is also actively supported in the selection of the next steps. In addition to the free design of the process, this approach allows greater security, since the user must provide a deliberate selection and is not automatically brought by sensors into a situation not befitting the circumstances.
  • the indication of the meaningful next step offered for selection is determined by the controller of the device, and one or more of the above criteria may be included. It can further be provided that, after each method step, the possible next selectable method steps are displayed in ascending or descending order according to their statistical probability on the basis of the previously stored earlier method steps. By means of this measure, the user is shown on the display means which next method steps on the basis of the stored earlier method step sequences and possibly on the basis of individual environmental parameters in which order appear the most appropriate.
  • both the type of treatment and the treatment parameter of the patient can be entered in a treatment by the user.
  • a pre-selection can already be made, which subsequently need not be taken into account by the control during the determination for proposals of further method steps. since they are already given.
  • the control device determines, in dependence on the stored previous method step sequences, the reasonable options resulting at the next following decision point and furthermore specifies the display field to be marked in a special way. On the one hand, it provides the user with information about which options are available in a certain situation and also with which of the options is recommended.
  • FIG. 1 is a schematic representation of a device for extracorporeal blood treatment
  • Fig. 3 is a schematic representation of the control device with the different input information for controlling the screen display and
  • FIG. 4 shows an example of a decision tree in which the alternative steps to be performed or the selection to be made are indicated.
  • the apparatus shown in Fig. 1 for extracorporeal blood treatment is a dialysis machine with a dialyzer 10 having a blood chamber 12 and a dialysis fluid chamber 14, between which a dialyzer 11 is located.
  • the blood chamber 12 of the dialyzer 10 is connected to a blood circuit 13 and the dialysis fluid chamber 14 is connected to a dialysis fluid circuit 15.
  • the blood circuit 13 includes a tubing system having an inlet 16 and an outlet 17.
  • the tubing system is passed through a blood pump 18 which performs a volumetric delivery operation, the flow rate being proportional to the drive rate.
  • the blood circuit 13 contains a plurality of sensors, namely a blood sensor 19, which detects the presence of blood in the tube system based on the color of the blood, a tube sensor 20, which determines whether a tube is properly inserted in the blood pump 18, an air sensor 21 for detection the presence of air in the tube system, a pressure sensor 22 for measuring the arterial blood pressure and a pressure sensor 23 for measuring the venous blood pressure.
  • the blood pump 18 forms an existing in the bloodstream 13 actuator.
  • Another actuator is formed by a hose clamp 24 contained in the venous line.
  • the dialysis fluid circuit 15 is connected to a dialysis fluid source 30 and a drain 31.
  • the flow line includes a first pump 32 and the return line, a second pump 33rd
  • Fig. 3 shows a dialysis machine 35, which contains the system shown in Fig. 2 and is housed in a housing.
  • the blood pump 18 is located at the front of the housing.
  • a screen 36 is arranged, which forms the user interface 37.
  • the dialysis machine 35 supplies sensor values, which indicate the current state of the components of the device, to a control device 40.
  • the dialysis machine 35 is also assigned an unillustrated storage medium, on which previous procedural steps of the user or the patient can be stored or stored.
  • the control device 40 determines, with the aid of the stored earlier procedural steps of the user and / or the patient, those actions which can be meaningfully carried out next. Furthermore, the current operating state determined by sensors (19, 20, 21, 22, 23) can be taken into account.
  • the control device 40 receives, for example, time signals from a clock 41 and user or operator information 42 and patient information 43.
  • the user information can be entered with a card reader having a personal smart card 44 on which user data is recorded.
  • the patient information is read into the reader via a smart card 45 which contains patient-related data.
  • control device 40 is supplied with information 46 about stored earlier time steps of previous treatment procedures, which contain the identification of the user and / or the patient.
  • Display fields 50,51 are generated on screen 36 for the next step to be performed, among other information, with at least one of the generated display fields, here display field 51, being provided with an identification 52 which here, As shown in Figure 2, consists of an arrow or as shown in Figure 3 by flashing, different brightness or colored inferior.
  • FIG. 3 shows a screen view that is generated on the screen 36 during the treatment of a patient.
  • the screen is a touch screen.
  • the screen view shows in one bar graph 60 the venous pressure V, in another bar graph 61 the arterial pressure A and in another bar graph 62 the transmembrane pressure TMP of the dialyzer 10. Below the bar graphs, the respective pressures are displayed as numbers.
  • One window 63 indicates the remaining treatment time (remaining time) and another window 64 contains the ultrafiltration rate (UF rate) and the ultrafiltration volume (UF volume).
  • a window 65 indicates the heparin rate of the heparin injected in the bloodstream.
  • a window 66 indicates the flow rate of the blood (blood flow).
  • a window 67 indicates the blood pressure at the beginning of the measurement (start BP) and a window 68 indicates the blood pressure rate (pulse rate PR).
  • display fields are generated on the screen, which are generally designated by "70".
  • the display fields 70 are shown here as icons showing a symbol of the process in question. Alternatively, they could contain a label.
  • the display panel 701 forms a touchkey for triggering a heparin injection.
  • the display field 702 means "deposit patient". By this is meant the discontinuation of patient treatment, whereby the dialysis is stopped and the blood circulation 13 is discharged to the patient. Such action is indicated at the end of treatment, or when a situation arises that requires discontinuation of treatment, for example, a circulatory problem of the patient.
  • the display panel 703 indicates that a minimum ultrafiltration is set at which the patient remains connected but ultrafiltration continues to a reduced extent.
  • Display field 704 indicates that a bypass condition is set in which the patient remains connected on the blood side, while the dialysis fluid circuit is short-circuited by a bypass.
  • the display field 705 means "watching" all relevant parameters. When pressed or touched, the list of all relevant parameters is displayed.
  • the Display field 706 means "Show additional display fields”. If pressed, additional options will be displayed.
  • one of the display fields here the display field 702
  • a special identification which consists in that this display field flashes.
  • the designated display field 702 is selected based on the following criteria:
  • Earlier step sequences may be displayed in the stored earlier step sequence.
  • typical processes are formed by "experience” and recognized by the control device. Such a typical process is offered step by step.
  • the user may enter additional user and / or patient information that has been disregarded in the stored previous procedural steps of the same user and / or for the same patient. These are taken into account when selecting the step to be marked. Farther However, the user can also specify the further procedure in specified process steps. This also applies in particular to the order in which certain steps are performed.
  • Entered parameters of the patient which are contained for example on the chip card 45, are taken into account in the selection of the step to be identified. This concerns, for example, a tendency to fall in blood pressure during dialysis. For example, it may be useful to administer larger amounts of saline through the tubing at the end of therapy for patients with typically low blood pressure.
  • patients can be treated in a consistent sequence.
  • Sensors (19, 20, 21, 22, 23) can additionally determine the operating states of the components of the dialysis machine 36 and transmit them to the control device 40, so that these sensor information and thus the current operating state of the dialysis machine 36 in the labeling of a next possible process step are taken into account.
  • the blood sensor 19 Figure 1 determines that the patient is already present and that transition to therapy is meaningful.
  • a recessed dialyzer port 16 or 17 after emptying the dialyzer can be detected by another sensor (not shown). Backing up suggests the end of the step and offers disinfection as the next step.
  • FIG. 4 shows a decision tree which indicates the selection options to be taken at different locations.
  • a particular step sequence is marked by the thick line, which consists of the provided with a label steps.
  • the thick line which consists of the provided with a label steps.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Primary Health Care (AREA)
  • Public Health (AREA)
  • External Artificial Organs (AREA)

Abstract

Ce procédé prévoit que l'utilisateur d'un dispositif de traitement du sang est guidé à travers les différentes étapes sans être accablé par trop de possibilités de choix. L'utilisateur conserve néanmoins la possibilité de réagir avec souplesse à des situations de traitement données. Sur un écran (36), plusieurs prochaines étapes à accomplir sont affichées dans des champs d'affichage (70). Au moins un de ces champs d'affichage est pourvu d'un marquage (52) et mis en évidence par rapport aux autres champs d'affichage. Une unité de commande délivre de cette manière une recommandation pour le choix de la prochaine étape à accomplir, sans que l'utilisateur soit obligé d'effectuer cette étape. L'utilisateur peut aussi choisir une des autres étapes (701,703-706). Cela apporte une grande souplesse dans le choix des étapes à accomplir, qui peuvent être définies en adaptation aux besoins du patient respectif et aux exigences de l'utilisateur.
EP07856149A 2006-12-21 2007-12-21 Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang Ceased EP2126768A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07856149A EP2126768A2 (fr) 2006-12-21 2007-12-21 Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06126900 2006-12-21
EP07856149A EP2126768A2 (fr) 2006-12-21 2007-12-21 Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang
PCT/DE2007/002307 WO2008074316A2 (fr) 2006-12-21 2007-12-21 Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang

Publications (1)

Publication Number Publication Date
EP2126768A2 true EP2126768A2 (fr) 2009-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856149A Ceased EP2126768A2 (fr) 2006-12-21 2007-12-21 Procédé de commande d'un dispositif de traitement extracorporel du sang, et dispositif de traitement extracorporel du sang

Country Status (3)

Country Link
EP (1) EP2126768A2 (fr)
DE (1) DE112007003351A5 (fr)
WO (1) WO2008074316A2 (fr)

Cited By (2)

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US10061899B2 (en) 2008-07-09 2018-08-28 Baxter International Inc. Home therapy machine
US11385769B2 (en) 2014-03-31 2022-07-12 Gambro Lundia Ab Extracorporeal blood treatment flow rate adjustment

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AU2011254555B2 (en) 2010-05-21 2014-05-08 Gambro Lundia Ab User interface, machine and method
JP5762010B2 (ja) * 2011-01-20 2015-08-12 旭化成メディカル株式会社 血液浄化装置、血液浄化装置の制御方法、及びプログラム
AU2013201566B2 (en) 2012-08-31 2014-11-27 Gambro Lundia Ab Dialysis apparatus with versatile user interface and method and computer program therefor
EP3018601B1 (fr) * 2014-11-10 2021-06-23 B. Braun Avitum AG Procédé de dispositif de purification du sang
WO2018001993A1 (fr) 2016-06-30 2018-01-04 Gambro Lundia Ab Système et procédé de traitement extracorporel du sang dont les réglages peuvent être modifiés par l'utilisateur
EP3479268B1 (fr) 2016-06-30 2023-03-01 Gambro Lundia AB Système et procédé de traitement extracorporel du sang comprenant des réglages modifiables

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US5486286A (en) * 1991-04-19 1996-01-23 Althin Medical, Inc. Apparatus for performing a self-test of kidney dialysis membrane
ITMO20030259A1 (it) * 2003-09-25 2005-03-26 Gambro Lundia Ab User interface per una macchina per il trattamento
DK1778834T5 (da) * 2004-07-01 2012-01-09 Cytori Therapeutics Inc Fremgangsmåder til anvendelse af regenerative celler i behandlingen af renale sygdomme og lidelser

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10061899B2 (en) 2008-07-09 2018-08-28 Baxter International Inc. Home therapy machine
US10068061B2 (en) 2008-07-09 2018-09-04 Baxter International Inc. Home therapy entry, modification, and reporting system
US10095840B2 (en) 2008-07-09 2018-10-09 Baxter International Inc. System and method for performing renal therapy at a home or dwelling of a patient
US10224117B2 (en) 2008-07-09 2019-03-05 Baxter International Inc. Home therapy machine allowing patient device program selection
US10089443B2 (en) 2012-05-15 2018-10-02 Baxter International Inc. Home medical device systems and methods for therapy prescription and tracking, servicing and inventory
US11385769B2 (en) 2014-03-31 2022-07-12 Gambro Lundia Ab Extracorporeal blood treatment flow rate adjustment
US11740767B2 (en) 2014-03-31 2023-08-29 Gambro Lundia Ab Extracorporeal blood treatment flow rate adjustment

Also Published As

Publication number Publication date
DE112007003351A5 (de) 2009-12-03
WO2008074316A3 (fr) 2008-08-14
WO2008074316A2 (fr) 2008-06-26

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