DE19730733C2 - Patient monitoring device - Google Patents

Patient monitoring device

Info

Publication number
DE19730733C2
DE19730733C2 DE1997130733 DE19730733A DE19730733C2 DE 19730733 C2 DE19730733 C2 DE 19730733C2 DE 1997130733 DE1997130733 DE 1997130733 DE 19730733 A DE19730733 A DE 19730733A DE 19730733 C2 DE19730733 C2 DE 19730733C2
Authority
DE
Germany
Prior art keywords
sensor
electronics
display unit
patient monitoring
vomit
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.)
Expired - Fee Related
Application number
DE1997130733
Other languages
German (de)
Other versions
DE19730733A1 (en
Inventor
Klaus Dipl Ing Abraham-Fuchs
Thomas Dr Birkhoelzer
Volker Dr Schmidt
Oliver Schmidt
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.)
Draeger Medical Systems Inc
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DE1997130733 priority Critical patent/DE19730733C2/en
Publication of DE19730733A1 publication Critical patent/DE19730733A1/en
Application granted granted Critical
Publication of DE19730733C2 publication Critical patent/DE19730733C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/008—Detecting noise of gastric tract, e.g. caused by voiding

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Endocrinology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Description

Erbrechen ist die häufigste Komplikation nach allgemeinen Narkosen. Die Letalität bei Aspiration beträgt ca. 30 bis 50% (Mendelson-Syndrom). Außerdem ist Erbrechen eine häufige Be­ gleiterscheinung in einer Vielzahl von Pflegesituationen, z. B. in der Betreuung von Langzeitkranken oder als Komplika­ tion von Medikamenten. Die Aufgabe für das Pflegepersonal be­ steht darin, das Erbrechen möglichst frühzeitig zu erkennen, erstens um das Aspirieren zu vermeiden, aber auch zweitens im Sinne einer würdigen Pflege. Dies erfordert eine zeitlich engmaschige Kontrolle, die sehr personal-intensiv ist.Vomiting is the most common complication after general Anesthetics. Mortality from aspiration is approx. 30 to 50% (Mendelson syndrome). Vomiting is also a common problem sliding symptoms in a variety of care situations, e.g. B. in the care of long-term sick or as complications tion of medication. The task for the nursing staff is to recognize vomiting as early as possible, first, to avoid aspiration, but second, in Meaning worthy care. This requires a time close control, which is very personnel-intensive.

Zur Zeit existieren keine Geräte zur Detektion des Erbre­ chens, d. h. zu einer Art Monitoring.There are currently no devices for the detection of the hereditary chens, d. H. to a kind of monitoring.

Aus der DE 44 17 574 C2 ist ein Überwachungssystem für einen Patienten bekannt, das einen Sensor zum Messen von Werten eines physiologischen Parameters aufweist und bei einer Änderung des Parameters einen Alarm erfaßt.DE 44 17 574 C2 is a monitoring system for one Patients known to have a sensor to measure values has a physiological parameter and a Changing the parameter detects an alarm.

In der DE 92 00 249 U1 ist eine Vorrichtung zur Überwachung von Lebensfunktionen beschrieben, die einen Sensor aufweist und mit einer Aufzeichnungsvorrichtung eines medizinischen Gerätes verbindbar ist.DE 92 00 249 U1 describes a device for monitoring described by life functions that have a sensor and with a medical recording device Device is connectable.

Der Erfindung liegt die Aufgabe zugrunde, ein Gerät zu schaf­ fen, das die Überwachung eines Patienten hinsichtlich des Auftretens von Erbrechen ermöglicht.The invention has for its object to create a device fen monitoring a patient for the Allows vomiting to occur.

Diese Aufgabe ist erfindungsgemäß gelöst durch die Merkmale des Patentanspruchs 1. Der Erfindung liegt die Erkenntnis zu­ grunde, daß beim Erbrechen mit dem Erbrochenen charakteristi­ sche Substanzen ausgeschieden werden, z. B. Magensäure, Galle. Komponenten davon breiten sich in der Umgebungsluft aus und sind dort detektierbar (spezifischer Geruch). Diese Komponen­ ten werden mit Hilfe eines geeigneten Sensors detektiert, in ein elektrisches Signal umgewandelt und zu einer Alarmein­ richtung weitergeleitet. Diese erzeugt einen optischen und/oder akustischen Alarm.According to the invention, this object is achieved by the features of claim 1. The invention is based on the knowledge reasons that when vomiting is characteristic of the vomit cal substances are excreted, e.g. B. gastric acid, bile. Components of it spread in the ambient air and  can be detected there (specific smell). These components are detected with the help of a suitable sensor, in converted an electrical signal and turned into an alarm direction forwarded. This creates an optical and / or acoustic alarm.

Die Erfindung ist nachfolgend anhand eines in der Zeichnung, dargestellten Ausführungsbeispiels näher erläutert. The invention is based on one in the drawing, illustrated embodiment explained in more detail.  

In der Zeichnung ist ein Patient 1 dargestellt, der auf einem Tisch 2 liegt. Dem Patienten 1 ist ein Sensor 3 zugeordnet, der an einer Elektronik 4 angeschlossen ist, welche eine An­ zeigeeinheit 5 steuert.In the drawing, a patient 1 is shown lying on a table 2 . The patient 1 is assigned a sensor 3 which is connected to electronics 4 which controls a display unit 5 .

Erbrochenes ist ein komplexes Gemisch mit großer Variations­ breite, trotzdem jedoch auch für jeden Laien leicht zu iden­ tifizieren. Es gibt prinzipiell zwei Möglichkeiten zur Detek­ tion mit Hilfe des Sensors 3:
Vomit is a complex mixture with a wide range of variations, but is still easy to identify for any layperson. There are basically two options for detection using sensor 3 :

  • - spezifische Sensoren mit hoher Selektivität detektieren wenige (1 bis 3) Grundsubstanzen, z. B. Salzsäure, die in Erbrochenem immer enthalten sind.- Specific sensors with high selectivity detect a few ( 1 to 3 ) basic substances, e.g. B. hydrochloric acid, which are always contained in vomit.
  • - unspezifische Sensor-Arrays mit geringer Selektivität, aber großer Bandbreite für unterschiedlichste Substanzen ("Elektronische Nasen") detektieren ein Geruchsmuster und klassifizieren nach einem Trainingsprozeß, z. B. mittels Neuronaler Netze, ein Geruchsmuster als "Erbrochenes".- Non-specific sensor arrays with low selectivity, however wide range for different substances ("Electronic noses") detect an odor pattern and classify according to a training process, e.g. B. means Neural networks, an olfactory pattern as "vomit".

Die Sensoreinheit (Sensor 3) und die Alarmeinheit (Elektronik 4 und Anzeigeeinheit 5) können räumlich getrennt sein und durch Fernübertragung (kabelgebunden oder per Telemetrie) kommunizieren.The sensor unit (sensor 3 ) and the alarm unit (electronics 4 and display unit 5 ) can be spatially separated and communicate by remote transmission (wired or via telemetry).

Außerdem kann das Gerät ein Interface haben, um den Alarm weiterzuleiten, z. B. in die Überwachungszentrale. Ferner kann das Gerät ein Interface zu einem Patientenmonitor-System ha­ ben. In einer Ausbaustufe kann das Gerät auch eine semiquan­ titative Auswertung (Menge des Erbrochenen bzw. Wahrschein­ lichkeit, daß erbrochen wurde) liefern, um dem Pflegepersonal eine Indikation der Dringlichkeit zu geben. Zusätzlich kann ein Mikrophon integriert werden, das mittels Geräuschanalyse charakteristische Würgegeräusche erkennt. Die Geräuschanalyse kann mit der Geruchsanalyse kombiniert werden, um die Zuver­ lässigkeit zu erhöhen.The device can also have an interface to the alarm forward, e.g. B. in the monitoring center. Furthermore, the device has an interface to a patient monitor system ben. In an expansion stage, the device can also be a semiquan titative evaluation (amount of vomit or probability that vomit) deliver to the nursing staff to give an indication of urgency. In addition can a microphone can be integrated using noise analysis recognizes characteristic gagging noises. The noise analysis  can be combined with the odor analysis to get the ver increase casualness.

Die Anzeigeeinheit 5 kann, wie oben dargelegt, zur Alarmgabe ausgebildet sein und in einer Überwachungszentrale angeordnet sein. Das Interface zu einem Patientenmonitor-System kann in der Elektronik 4 enthalten sein. Auch die geschilderte Aus­ wertung kann durch die Elektronik 4 erfolgen. Das Mikrophon kann Bestandteil des Sensors 3 sein, wobei die Geräusch­ analyse wieder durch die Elektronik 4 erfolgt.As explained above, the display unit 5 can be designed to give an alarm and can be arranged in a monitoring center. The interface to a patient monitor system can be contained in the electronics 4 . The described evaluation can also be done by the electronics 4 . The microphone can be part of the sensor 3 , the noise analysis again being carried out by the electronics 4 .

Claims (5)

1. Gerät zur Patientenüberwachung mit einem Sensor (3) für charakteristische volatile Inhaltsstoffe von Erbrochenem, dem eine Elektronik (4) zur Signalauswertung und eine Anzeigeein­ heit (5) zur Alarmgabe zugeordnet ist.1. Device for patient monitoring with a sensor ( 3 ) for characteristic volatile constituents of vomit, which is associated with electronics ( 4 ) for signal evaluation and a display unit ( 5 ) for alarming. 2. Gerät nach Anspruch 1, bei dem der Sensor (3) und die Elektronik (4) sowie die Anzeigeeinheit (5) räumlich getrennt sind.2. Device according to claim 1, wherein the sensor ( 3 ) and the electronics ( 4 ) and the display unit ( 5 ) are spatially separated. 3. Gerät nach Anspruch 1 oder 2, bei dem die Elektronik (4) zur quantitativen Auswertung der Sensorsignale ausgebildet ist.3. Device according to claim 1 or 2, wherein the electronics ( 4 ) is designed for quantitative evaluation of the sensor signals. 4. Gerät nach einem der Ansprüche 1 bis 3, bei dem im Sensor (3) ein Mikrophon integriert ist und die Elektronik (4) zur Geräuschanalyse ausgebildet ist.4. Device according to one of claims 1 to 3, in which a microphone is integrated in the sensor ( 3 ) and the electronics ( 4 ) is designed for noise analysis. 5. Gerät nach einem der Ansprüche 1 bis 4, bei dem die Anzei­ geeinheit (5) eine Alarmeinheit ist.5. Device according to one of claims 1 to 4, wherein the display unit ( 5 ) is an alarm unit.
DE1997130733 1997-07-17 1997-07-17 Patient monitoring device Expired - Fee Related DE19730733C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1997130733 DE19730733C2 (en) 1997-07-17 1997-07-17 Patient monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997130733 DE19730733C2 (en) 1997-07-17 1997-07-17 Patient monitoring device

Publications (2)

Publication Number Publication Date
DE19730733A1 DE19730733A1 (en) 1999-02-11
DE19730733C2 true DE19730733C2 (en) 1999-06-17

Family

ID=7836050

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997130733 Expired - Fee Related DE19730733C2 (en) 1997-07-17 1997-07-17 Patient monitoring device

Country Status (1)

Country Link
DE (1) DE19730733C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962808A1 (en) * 1999-12-23 2001-06-28 Thomas Hilfen Hilbeg Gmbh & Co Device, method and use of an odor sensor for examining, detecting or recording illnesses of patients, especially geriatric patients where the availability of care personnel is often limited

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9200249U1 (en) * 1992-01-11 1992-04-16 Klemm, Bernd, 7801 Umkirch Device for monitoring and recording respiratory, cardiac and/or other vital functions
DE4417574C2 (en) * 1993-09-13 1997-01-23 Hewlett Packard Co Patient alarm detection using a target mode

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9200249U1 (en) * 1992-01-11 1992-04-16 Klemm, Bernd, 7801 Umkirch Device for monitoring and recording respiratory, cardiac and/or other vital functions
DE4417574C2 (en) * 1993-09-13 1997-01-23 Hewlett Packard Co Patient alarm detection using a target mode

Also Published As

Publication number Publication date
DE19730733A1 (en) 1999-02-11

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20110201

R081 Change of applicant/patentee

Owner name: DRAEGER MEDICAL SYSTEMS, INC., ANDOVER, US

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

Effective date: 20110502

Owner name: DRAEGER MEDICAL SYSTEMS, INC., US

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

Effective date: 20110502