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DE102008031304A1 - Biopotential i.e. electroencephalography potential, measuring arrangement for use in medical field, has sample transceiver units staying in connection with evaluation unit, where electrode and sensor is connected to transceiver units - Google Patents

Biopotential i.e. electroencephalography potential, measuring arrangement for use in medical field, has sample transceiver units staying in connection with evaluation unit, where electrode and sensor is connected to transceiver units Download PDF

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Publication number
DE102008031304A1
DE102008031304A1 DE102008031304A DE102008031304A DE102008031304A1 DE 102008031304 A1 DE102008031304 A1 DE 102008031304A1 DE 102008031304 A DE102008031304 A DE 102008031304A DE 102008031304 A DE102008031304 A DE 102008031304A DE 102008031304 A1 DE102008031304 A1 DE 102008031304A1
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Prior art keywords
carrier element
transceiver units
forehead
arrangement
arrangement according
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DE102008031304A
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German (de)
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Thomas Rozek
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; Determining position of diagnostic devices within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A61B5/0006—ECG or EEG signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Human Computer Interaction (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

The arrangement has electroencephalography electrodes (1.3) and pulse sensors (1.4) that are arranged on a carrier element i.e. headband, that is arranged on a front region and a temporal region. Each electrode and sensor is connected with an amplifier and/or a sample transceiver unit (1.5). Each unit stays in connection with an evaluation unit i.e. smart phone. The unit and/or a power supply unit (1.6) are arranged on the carrier element or on other carrier element. The carrier elements are implemented as sickle-shaped shell elements (1.1, 1.2) near the front and temporal regions. An independent claim is also included for a method for measuring biopotential.

Description

Die Erfindung bezieht sich auf das Gebiet der Medizintechnik, vorrangig für die EEG- und Pulsdiagnostik und -Überwachung. Sie betrifft eine Anordnung und ein Verfahren zur Messung von Biopotenzialen. Die erfindungsgemäße Anordnung ist insbesondere dazu geeignet, EEG-Potenziale und Pulswellen zu messen.The The invention relates to the field of medical technology, primarily for EEG and pulse diagnostics and monitoring. It relates to an arrangement and a method for measuring biopotentials. The arrangement according to the invention is particular suitable for measuring EEG potentials and pulse waves.

Bekannte technische Lösungen benutzen zur Messung von Biopotenzialen Elektroden und Sensoren, die zur Erfassung von EEG-, EKG, Körpertemperatur und Atembewegungen dienen. In WO 001995007048 A1 wird ein kabelloses medizinisches Diagnose- und Überwachungsgerät dargestellt. Die Realisierung beinhaltet eine Auswerteeinheit und eine oder mehrere Elektroden bzw. Sensoren, die an der Hautoberfläche des Patienten verteilt angeordnet sind. Zur Vermeidung von Fehlmessungen enthalten die Elektroden bzw. Sensoren Referenz- und Kontrolleinheit. In DE 10042813 A1 ist eine Anordnung und ein Verfahren zur automatischen Generierung von Schlafprofilen offengelegt. Das Verfahren ist gekennzeichnet durch die Verwendung von Merkmalen eines einkanaligen EEG und der Variabilität der Herzperioden. In der Anordnung sind Vorverstärker und drei Elektroden untergebracht. Die mittlere Elektrode dient als Referenz, während die beiden äußeren Elektroden eine bipolare Ableitung des EEG ermöglichen. Mit der Erfindung sollte eine messtechnische Anordnung zur Verfügung stehen, die vom Patienten ohne professionelle Hilfe beherrscht werden soll. Der Nachteil dieser Lösungen ist, dass eine Ableitung qualitativ hochwertiger Daten im ambulanten Einsatz ohne professionelle Hilfe im Regelfall nicht gegeben ist. Um qualitative hochwertige Daten erfassen zu können, ist eine exakte Platzierung der Elektroden bzw. Sensoren erforderlich.Known technical solutions use electrodes and sensors for measuring biopotentials, which are used to record EEG, ECG, body temperature and respiratory movements. In WO 001995007048 A1 A wireless medical diagnostic and monitoring device is displayed. The implementation includes an evaluation unit and one or more electrodes or sensors, which are arranged distributed on the skin surface of the patient. To avoid incorrect measurements, the electrodes or sensors contain the reference and control unit. In DE 10042813 A1 discloses an arrangement and method for automatically generating sleep profiles. The method is characterized by the use of features of a single-channel EEG and the variability of heart periods. The arrangement accommodates preamplifiers and three electrodes. The middle electrode serves as a reference, while the two outer electrodes allow a bipolar derivative of the EEG. With the invention, a metrological arrangement should be available, which should be controlled by the patient without professional help. The disadvantage of these solutions is that a derivation of high-quality data in ambulatory use without professional help is usually not given. In order to capture high-quality data, an exact placement of the electrodes or sensors is required.

Die Aufgabe der Erfindung besteht darin, eine Anordnung und ein Verfahren zur Messung von Biopotenzialen zu schaffen, um ambulant einfach hochqualitative Daten zu erfassen. Ein weiteres Ziel ist die Laientauglichkeit in der Handhabung der Anordnung. Was Besonderes bei Anwendungen im Bereich Neurofeedback und Mikroschlafdiagnostik zum Tragen kommt. Im Folgenden wird die Erfindung an Hand eines Ausführungsbeispiels in Verbindung mit 1 näher erläutert. 1: Anordnung der sichelförmigen Schalenelemente (1.1, 1.2) mit EEG-Elektroden (1.3), mit Pulssensoren (1.4), mit Verstärker und Abtast-Transceiver-Einheit (1.5) und mit Energieversorgungseinheit (1.6).The object of the invention is to provide an arrangement and a method for measuring biopotentials in order to easily record high quality data on an outpatient basis. Another goal is the amateur performance in the handling of the arrangement. What is special about applications in the field of neurofeedback and microsleep diagnostics? In the following the invention with reference to an embodiment in conjunction with 1 explained in more detail. 1 : Arrangement of sickle-shaped shell elements ( 1.1 . 1.2 ) with EEG electrodes ( 1.3 ), with pulse sensors ( 1.4 ), with amplifier and scanning transceiver unit ( 1.5 ) and with energy supply unit ( 1.6 ).

Erfindungsgemäß wird die Aufgabe durch das im Anspruch 7 dargestellte Verfahren gelöst. Verfahrensgemäß platziert der Patient die sichelförmige Anordnung in der Stirn- und Schläfenregion. Die intelligente Verstärker und Abtrast-Transceiver-Einheit erfasst die Signale der EEG-Elektroden und der Pulssensoren und sendet die Signalwerte vorzugsweise drahtlos zur Auswerteeinheit. Die Auswerteeinheit, vorzugsweise ein Smart Phone, empfängt die übertragenen Signalwerte und prüft an Hand von ausgewählten Merkmalen die Signalgüte. Bei unzureichender Signalgüte (Gütewert < Gütegrenzwert) fordert die Auswerteeinheit visuell und/oder akustisch den Nutzer zur Lagekorrektur der sichelförmigen Anordnung auf. Ist der Gütewert größer oder gleich dem Gütegrenzwert, so schaltet die Auswerteeinheit in den Messbetrieb um. Im Anwendungsbereich Mikroschlafdiagnostik detektiert die Auswerteeinheit Müdigkeitsattacken oder Mikroschlaf und alarmiert den Kraftfahrzeugführer.According to the invention the problem solved by the method shown in claim 7. According to the method, the patient places the crescent-shaped arrangement in the forehead and temple region. The intelligent amplifier and Abtrast transceiver unit detects the signals of the EEG electrodes and the pulse sensors, and preferably transmits the signal values wirelessly to the evaluation unit. The evaluation unit, preferably a smart Phone, receives the transmitted signal values and checks the signal quality on the basis of selected features. In case of insufficient signal quality (quality value <quality limit value) the evaluation unit asks the user visually and / or acoustically for the position correction of the crescent-shaped arrangement. is the quality value is greater than or equal to the quality limit, the evaluation unit switches to measuring mode. In the scope Micro sleep diagnostics detects the evaluation unit fatigue attacks or microsleep and alerts the motor vehicle driver.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • - WO 001995007048 A1 [0002] WO 001995007048 A1 [0002]
  • - DE 10042813 A1 [0002] DE 10042813 A1 [0002]

Claims (7)

Anordnung zur Messung von Biopotenzialen dadurch gekennzeichnet, a) dass mindestens eine EEG-Elektrode und mindestens ein Plussensor auf einem Trägerelement angeordnet sind, wobei das Trägerelement an der Stirn- und der Schläfenregion angeordnet ist, und b) dass jede EEG-Elektrode und/oder jeder Pulssensor mit einem Verstärker und/oder einer Abtast-Transceiver-Einheit verbunden ist, wobei jede Abtast-Transceiver-Einheit mit einer Auswerteelektronik in Verbindung steht.Arrangement for measuring biopotentials, characterized in that a) that at least one EEG electrode and at least one plus sensor are arranged on a carrier element, wherein the carrier element is arranged at the front and the temporal region, and b) that each EEG electrode and / or each pulse sensor is connected to an amplifier and / or a sampling transceiver unit, each sampling transceiver unit being connected to evaluation electronics. Anordnung nach Anspruch 1 dadurch gekennzeichnet, dass die Abtast-Transceiver-Einheit oder die Abtast-Transceiver-Einheiten und/oder die Energieversorgungseinheit auf dem Trägerelement oder auf einem zweiten Trägerelement angeordnet sind.Arrangement according to claim 1, characterized that the sample transceiver unit or the sample transceiver units and / or the power supply unit on the carrier element or are arranged on a second carrier element. Anordnung nach Anspruch 2 dadurch gekennzeichnet, dass die Trägerelemente als Stirn- und Schläfenregion nahe sichelförmige Schalenelemente ausgeführt sind, die im Bereich der Enden vorgespannt sind, so dass an den Schalenelementen eine Federlast anliegt.Arrangement according to claim 2, characterized that the support elements as forehead and temple region executed close to crescent-shaped shell elements are biased in the area of the ends, so that to the Shell elements bears a spring load. Anordnung nach Anspruch 2 dadurch gekennzeichnet, dass die EEG-Elektroden zur Stirn zugewandten Seite, die Pulssensoren zur Schläfenregion zugewandten Seite und die Abtast-Transceiver-Einheit oder die Abtast-Transceiver-Einheiten auf der Stirn abgewandten Seite des stirnnahen Trägerelements angeordnet sind.Arrangement according to claim 2, characterized that the EEG electrodes face the forehead, the pulse sensors to the temporal region facing side and the scanning transceiver unit or facing away from the scanning transceiver units on the forehead Side of the near-end support element are arranged. Anordnung nach Anspruch 2 dadurch gekennzeichnet, dass die EEG-Elektroden zur Stirn zugewandten Seite, die Pulssensoren zur Schläfenregion zugewandten Seite auf dem Stirn zugewandten Trägerelement und die Abtast-Transceiver-Einheit oder die Abtast-Transceiver-Einheiten auf dem Stirn abgewandten Trägerelement angeordnet sind.Arrangement according to claim 2, characterized that the EEG electrodes face the forehead, the pulse sensors facing the temporal region facing side on the forehead Carrier element and the scanning transceiver unit or the Scanning transceiver units facing away from the forehead carrier element are arranged. Anordnung nach Anspruch 1 dadurch gekennzeichnet, dass mindestens ein Trägerelement als Stirnband ausgeführt ist.Arrangement according to claim 1, characterized that at least one support element designed as a headband is. Verfahren zur Messung von Biopotenzialen dadurch gekennzeichnet, a) dass durch Auswertung der Signale der Pulssensoren oder durch Auswertung der Signale der Pulssensoren und EEG-Elektroden die korrekte Lage der Anordnung geprüft wird, b) dass bei nicht Vorhandensein von auswertbaren Signalwerten die Auswerteelektronik den Nutzer zur Lagekorrektur der Anordnung auffordert, c) dass bei Vorhandensein von auswertbaren Signalwerten die Auswerteelektronik in den Messbetrieb umschaltet.Method for measuring biopotentials thereby in a) that by evaluating the signals of the pulse sensors or by evaluating the signals of the pulse sensors and EEG electrodes the correct position of the arrangement is checked, b) that in the absence of evaluable signal values, the evaluation electronics asks the user to correct the position of the arrangement, c) that in the presence of evaluable signal values, the evaluation electronics switches to measuring mode.
DE102008031304A 2008-07-02 2008-07-02 Biopotential i.e. electroencephalography potential, measuring arrangement for use in medical field, has sample transceiver units staying in connection with evaluation unit, where electrode and sensor is connected to transceiver units Withdrawn DE102008031304A1 (en)

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DE102008031304A DE102008031304A1 (en) 2008-07-02 2008-07-02 Biopotential i.e. electroencephalography potential, measuring arrangement for use in medical field, has sample transceiver units staying in connection with evaluation unit, where electrode and sensor is connected to transceiver units

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DE102008031304A DE102008031304A1 (en) 2008-07-02 2008-07-02 Biopotential i.e. electroencephalography potential, measuring arrangement for use in medical field, has sample transceiver units staying in connection with evaluation unit, where electrode and sensor is connected to transceiver units

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007048A1 (en) 1993-09-04 1995-03-16 Marcus Besson Wireless medical diagnosis and monitoring equipment
DE10042813A1 (en) 2000-08-30 2001-06-13 Baumgart Schmitt Rudolf Arrangement for automatic generation of day and sleep profiles for diagnosis of sleep disturbance; obtains characteristics for profile from one-channel electroencephalogram and heartbeat variations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995007048A1 (en) 1993-09-04 1995-03-16 Marcus Besson Wireless medical diagnosis and monitoring equipment
DE10042813A1 (en) 2000-08-30 2001-06-13 Baumgart Schmitt Rudolf Arrangement for automatic generation of day and sleep profiles for diagnosis of sleep disturbance; obtains characteristics for profile from one-channel electroencephalogram and heartbeat variations

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Effective date: 20110201