EP2358274A1 - Apparatus for detecting a body posture - Google Patents

Apparatus for detecting a body posture

Info

Publication number
EP2358274A1
EP2358274A1 EP09804225A EP09804225A EP2358274A1 EP 2358274 A1 EP2358274 A1 EP 2358274A1 EP 09804225 A EP09804225 A EP 09804225A EP 09804225 A EP09804225 A EP 09804225A EP 2358274 A1 EP2358274 A1 EP 2358274A1
Authority
EP
European Patent Office
Prior art keywords
person
posture
distortion
force
load
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.)
Withdrawn
Application number
EP09804225A
Other languages
German (de)
French (fr)
Inventor
Armin Blaha
Johannes Magerl
Andreas Schrempf
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.)
SPANTEC GmbH
Original Assignee
SPANTEC 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 SPANTEC GmbH filed Critical SPANTEC GmbH
Publication of EP2358274A1 publication Critical patent/EP2358274A1/en
Withdrawn legal-status Critical Current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
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
    • A61B5/4561—Evaluating static posture, e.g. undesirable back curvature
    • 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
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6891—Furniture

Definitions

  • the device for detecting and optionally correcting a posture of a person, wherein the device comprises a sitting or lying unit, at least one load-removing element and a measuring device.
  • the patent application WO 03100741 A1 describes a device for detecting a posture of a person sitting on a chair, comprising sensors arranged in the seat surface and in the backrest of the chair and a tone generator. Depending on the pressure values on the backrest and the seat surface detected by means of the sensors, a sound signal is output by the tone generator.
  • the patent application WO 0217752A1 describes a method and a device provided for detecting the sitting posture of a person. This also includes means for admonishing the person to a correct posture, in which case again the posture of the person is detected by a plurality of sensors arranged in the seat surface and in the backrest.
  • the document KR20020025448 describes a chair having a plurality of sensors positioned in the seat and back of the chair, whereby the posture of the seated person is detected by these sensors.
  • the invention discussed here has the task of measuring the posture of a person on a sitting or lying unit by means of a device, wherein the device can be attached to, for example, a chair without much effort.
  • the measuring device for detecting a force and / or distortion state is arranged in the intersection between at least a part of the sitting or lying unit and the at least one load-removing element on and / or in the load-removing element, wherein based on measured values , which by the measuring device for detecting the force and / or Distortion condition are measured, the presence of the person on the sitting or lying unit and / or the posture of the person can be determined.
  • the arrangement of sensors as units of the measuring device in the interface between the seat and, for example, the chair support of an office swivel chair is much simpler than the attachment of sensors to the seat of a chair.
  • measuring devices may be additionally or exclusively arranged on and / or in load-bearing elements such as between the legs and rollers of an office chair.
  • the invention further includes that the posture of a person sitting in a wheelchair is easily detected by placing measuring devices in the intersection between the seat and the frame of the wheelchair.
  • the invention also includes the arrangement of measuring devices between the lying unit and the load-bearing element of a bed, such as a support of a bed, to detect the position of the person lying in bed. The latter also includes detection of whether the person is in bed.
  • seating and lying units are also to be understood as units on which a person performs movements or remains in postures that differ from sitting or lying down.
  • a seat unit may also include armrests or headrests, wherein the posture of a body part such as an arm or head with respect to the armrest or the headrest is determined. Any movement of the person or body part of the person causes a shift in the center of gravity of the person or the local center of gravity of the body part.
  • a shift in the Focus causes a change in the forces, which is removed by the seat and reclining unit on the load-removing element. Consequently, the state of force and distortion is changed in the interface between the seat and couch unit and the load-removing member and / or the load-removing member in the entire load.
  • a measurement of the state of force and / or distortion in the above-mentioned ranges proposed in the context of this invention is advantageous in that measuring devices can be easily mounted. The latter also includes the subsequent attachment of measuring devices to existing facilities.
  • the measurement of the force and / or distortion can be achieved by any type of measuring devices known to those skilled in the art, such as load cells, strain gauges, displacement transducers or
  • Distance measuring devices take place. It is also possible within the scope of this invention to measure, for example, local displacements, the force and distortion state being determined from these determined values.
  • a possible, further variant of the device according to the invention is that an additional mechanical device for controlling the distortion state in the interface between the sitting or lying unit and the at least one load-removing element on and / or in the load-removing element is arranged.
  • an additional mechanical device for controlling the state of distortion in the load-removing elements such as legs of a chair or at least parts of a frame of a wheelchair
  • the posture of the person can be influenced. For example, by inclining the seat surface of an office chair or a wheelchair, the posture of the seated person can be changed. The attitude is influenced by a change of the sitting or lying unit.
  • a first state of force and distortion is determined by the measuring device and an alarm signal is output upon deviation of the first force and distortion state from a second predetermined force and distortion state.
  • the measuring devices are coupled to a unit, which determines the attitude of the person from the detected state of force and distortion. By optionally issuing an alarm signal, the person is asked to change the attitude.
  • the unit with which the attitude of the person is determined on the basis of the force and / or distortion is, for example, a computer which is in communication with the measuring unit.
  • the person sitting on the seat unit works with the computer.
  • a further possibility for using the device according to the invention is that a first state of force and distortion is determined by the measuring device and, in the case of a deviation of the first force and distortion state from a second predetermined state of force and distortion, the posture of the person is modified by the additional mechanical device ,
  • the mechanical device for changing the posture of the person are also attached.
  • linear actuators such as pneumatic devices that cause a change in the attitude of the person for a longer period.
  • devices which cause a continuous and / or oscillatory movement can be provided.
  • the measuring devices are arranged in a region between the sitting and lying unit and the load-removing element, wherein the ablation or the Forwarding the forces must be ensured by the sitting and lying unit in the load-removing element.
  • the mechanical device for controlling the state of distortion may comprise at least two linear drives or pneumatic pistons or any other device known to those skilled in the art, by means of which a movement of the sitting or lying unit in a substantially vertical direction and / or a tilting of these can be accomplished.
  • the above-described arrangement of the mechanical device for control can take place in a preferred form, so that the frictional connection between the sitting and lying unit and the load-removing element is ensured.
  • a current posture of the person and at least one deviating from the current posture posture is displayed on a screen.
  • the posture of a seated person working on a computer it may be advantageous to display the measured posture and, by comparison, better posture on the screen of the computer.
  • the person is animated by the graphic display to a correct attitude.
  • movements can be displayed on the screen or positions taken by the person in further steps.
  • the device according to the invention can be used so that the person is animated by an at least partial change of the measured force and distortion state and / or by an alarm signal and / or by an analysis of the posture on a screen to movements.
  • the animation can be done by an at least partial change of the measured force and distortion state and / or by an alarm signal and / or by an analysis of the posture on a screen.
  • all methods known to the person skilled in the art are included in order to communicate to the person the current posture as well as a different posture.
  • this power supply can take place, for example, in the form of power through a mains connection or a rechargeable battery, which is attached to the device, for example.
  • Figure 1 shows a chair, which is part of an embodiment of the inventive device for detecting the attitude of a sedentary
  • Figure 2 shows a wheelchair, which is part of an embodiment of the inventive device for detecting the attitude of a sedentary
  • Figures 3a, 3b and 3c show further embodiments of an office chair, which is part of a device according to the invention for detecting the
  • Attitude of a seated person is.
  • Figure 4a and 4b shows a bed frame, which forms part of an embodiment of the device according to the invention for detecting the position of a person lying in a bed.
  • 1 shows a chair 1 as part of a device according to the invention for detecting a posture of a person 8, wherein the device according to the invention comprises a seat unit 3, a support 5 as a load-removing element and a measuring device 2, wherein the measuring device 2 for detecting the force - And / or distortion state in the interface region between the seat unit 3 and the support 5 is arranged.
  • the measuring device 2 comprises at least two units, which are arranged offset with respect to the axis of the support 5.
  • the measuring device 2 such as strain gauges or pressure cells measured values such as a change in the vertical forces (arrows) 6, resulting in the occurring moment (arrow) 7 is closed to the attitude of the person 8. Any change in the attitude of the person 8 causes a shift of the center of gravity 9 of the person 8, resulting in a change of the vertical forces (arrows) 6 and the moment (arrow) 7, which are removed via the support 5 of the chair 1 as a load-removing element ,
  • the number of measured values is not relevant in the context of the invention. Likewise, it can be measured with the aid of the measuring device 2, whether a person 8 sitting on the chair 1 or is present.
  • a two-unit mechanical device 11 for controlling the distortion state in the interface between the seat unit 3 and the support 5 of the chair 1 is arranged, so that, for example, the inclination of the seat unit 3 of the chair 1, thus affecting the attitude of the person 8 becomes.
  • the mechanical device 1 1 comprises at least two units, wherein one unit consists of a linear drive or a pneumatic piston.
  • a unit of the mechanical device 11 and a unit of the measuring device 2 are formed as one unit.
  • the measuring device 2 is coupled to a unit for analyzing the measured values, such as a computer 10, with which the person 8 sitting on the chair 1 works.
  • the computer 10 or another unit issues an alarm signal when it is determined from the measured values that the person 8 posture is harmful to the person 8.
  • a posture of the person 8 may be harmful, for example, if a first posture 13 deviates from a second predetermined posture 14.
  • the posture of the person 8 can be changed by the mechanical devices 11 in the mold.
  • the current posture 13 of the person 8 is displayed on the screen 12. By displaying a second predetermined posture 14, the person 8 is prompted to take the second posture 14, which is a better posture or part of a movement for the person 8.
  • FIG. 2 shows a use of the device according to the invention for measuring the posture of a person 8 sitting in a wheelchair 15, the person 8 not being shown in FIG.
  • the wheelchair 15 comprises a frame 16 as a load-removing element 4, a seat unit 3 produced by a leather covering and laterally arranged wheels 17 on the frame 16.
  • the wheelchair further includes a measuring device 2 comprising a plurality of units, the units of the measuring device 2 for detecting the force and / or distortion state, which are essentially caused by the forces (arrow) 6 in the cutting area, between at least the seat unit 3 and the frame 16 are arranged.
  • the units of the measuring devices 2 are arranged in a region in which the seat unit 3 produced by a leather or fabric covering surrounds a part of the frame 16 of the wheelchair 15, since in this area a change of the force (arrow) 6 by the person 8 easily measurable.
  • FIG. 3a shows an armchair 1, wherein the measuring device 2 comprising several units is arranged as part of the support 5 of the armchair 1 for detecting the state of force and / or distortion.
  • a derivative of the forces (arrows) 6 through the support 5 is achieved by the arrangement of the measuring device 2 on the units of the measuring device. 2
  • FIG. 3b shows an armchair 1, wherein the measuring unit 2 comprising several units is arranged between the armchair legs 7 and the contact surfaces formed by rollers 18.
  • FIG. 3 c shows an armchair 1, wherein strain gauges are arranged as units of the measuring device 2 on the support 5 of the chair 1.
  • the embodiments shown in FIGS. 3 a to 3 c are based on the principle that a change in the center of gravity 9 of the person 8 seated on the seat unit 3 changes the forces acting in the units of the measuring device 2 (arrow 6) and of the load-removing element 4 acting moment (arrow 7) conditionally.
  • the embodiments differ only by the attachment of the units of the measuring device 2 on the chair. 1
  • FIG. 4a shows a bed frame 19 comprising a bed frame 21 and bed slats 20.
  • the bed slats 20 are part of a lying unit 3.
  • the bed frame 21 serves as a load-removing element 4.
  • the units of the measuring apparatus 2 are arranged between the slats 20 and the bed frame 21.
  • the units of the measuring devices 2 are used to measure the force and / or the distortion in the area of intersection between the bed slats 20 and the bed frame 21 so that the presence of the person 8 on the lying unit 3 and / or measurements is measured by the measuring devices 2. or the posture of the person 8 is determined.
  • a change in the twill posture of the person 8 causes a change in the position of the center of gravity 9 of the person 8, whereby by the Measuring device 2, a different force and / or distortion is measured.
  • FIG. 4 b shows a bed frame 19 as part of a lying unit 3 which comprises a bed frame 21 and bed slats 20.
  • the supports 5 serve as load-removing elements 4.
  • Detection of the force and / or distortion are arranged in the intersection between the supports 5 of the bed and the bed frame 21, so that on the basis of measured values, which are measured by the measuring devices 2, the presence of the person 8 on the lying unit 3 and / or the
  • Position of the person 8 is determined.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Dentistry (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention relates to an apparatus for detecting and optionally correcting a body posture of a person, the apparatus comprising a sitting or reclining unit 3, at least one load-removing element 4, and a measuring apparatus 2, characterized in that the measuring apparatus 2 for detecting a force and/or a distortion state in the intersecting region between at least one part of the sitting or reclining unit 3 and the at least one load-removing element 4 is arranged at and/or in the load-removing element 4, wherein on the basis of measured values, which are measured by the measuring apparatus 2 for detecting the force and/or distortion state, the presence of the person 8 on the sitting or reclining unit 3 and/or the body posture of the person 8 can be determined.

Description

Vorrichtung zur Erfassung einer Körperhaltung Device for detecting a posture
Vorrichtung zur Erfassung und gegebenenfalls Korrektur einer Körperhaltung einer Person, wobei die Vorrichtung eine Sitz- oder Liegeeinheit, zumindest ein Last abtragendes Element und eine Messvorrichtung umfasst.Device for detecting and optionally correcting a posture of a person, wherein the device comprises a sitting or lying unit, at least one load-removing element and a measuring device.
Die Patentanmeldung WO 03100741 A1 beschreibt eine Vorrichtung zur Erfassung einer Haltung einer auf einem Sessel sitzenden Person, die in der Sitzfläche und in der Lehne des Sessels angeordnete Sensoren sowie einen Tongenerator umfasst. In Abhängigkeit der mittels der Sensoren erfassten Druckwerte auf die Lehne und die Sitzfläche wird durch den Tongenerator ein Tonsignal ausgegeben.The patent application WO 03100741 A1 describes a device for detecting a posture of a person sitting on a chair, comprising sensors arranged in the seat surface and in the backrest of the chair and a tone generator. Depending on the pressure values on the backrest and the seat surface detected by means of the sensors, a sound signal is output by the tone generator.
Die Patentanmeldung WO 0217752A1 beschreibt eine Methode sowie eine hierzu vorgesehene Vorrichtung zur Erfassung der Sitzhaltung einer Person. Dies inkludiert auch Mittel zur Ermahnung der Person zu einer korrekten Haltung, wobei hierbei wiederum die Haltung der Person durch eine Vielzahl von in der Sitzfläche und in der Lehne angeordnete Sensoren erfasst wird. Das Dokument KR20020025448 beschreibt einen Sessel, welcher mehrere in der Sitzfläche und der Lehne des Sessels positionierte Sensoren aufweist, wobei die Haltung der sitzenden Person durch diese Sensoren erfasst werden.The patent application WO 0217752A1 describes a method and a device provided for detecting the sitting posture of a person. This also includes means for admonishing the person to a correct posture, in which case again the posture of the person is detected by a plurality of sensors arranged in the seat surface and in the backrest. The document KR20020025448 describes a chair having a plurality of sensors positioned in the seat and back of the chair, whereby the posture of the seated person is detected by these sensors.
Die hier diskutierte Erfindung stellt sich die Aufgabe, die Körperhaltung einer Person auf einer Sitz- oder Liegeeinheit mittels einer Vorrichtung zu messen, wobei die Vorrichtung ohne großen Aufwand an beispielsweise einen Sessel angebracht werden kann. Dies wird dadurch gelöst, dass die Messvorrichtung zur Erfassung eines Kraft- und/oder Verzerrungszustandes im Schnittbereich zwischen zumindest einem Teil der Sitz- oder Liegeeinheit und dem zumindest einen Last abtragenden Element am und/oder im Last abtragenden Element angeordnet ist, wobei anhand von Messwerten, welche durch die Messvorrichtung zur Erfassung des Kraft- und/oder Verzerrungszustandes gemessen werden, die Anwesenheit der Person auf der Sitz- oder Liegeeinheit und/oder die Körperhaltung der Person ermittelbar ist.The invention discussed here has the task of measuring the posture of a person on a sitting or lying unit by means of a device, wherein the device can be attached to, for example, a chair without much effort. This is achieved in that the measuring device for detecting a force and / or distortion state is arranged in the intersection between at least a part of the sitting or lying unit and the at least one load-removing element on and / or in the load-removing element, wherein based on measured values , which by the measuring device for detecting the force and / or Distortion condition are measured, the presence of the person on the sitting or lying unit and / or the posture of the person can be determined.
Die Anordnung von Sensoren als Einheiten der Messvorrichtung im Schnittbereich zwischen Sitzfläche und beispielsweise der Sesselstütze eines Bürodrehsessels ist wesentlich einfacher als die Anbringung von Sensoren an der Sitzfläche eines Sessels. Für die Installation einer hier beschriebenen Vorrichtung ist es beispielsweise ausreichend, die Schraubverbindung zwischen Sitzfläche und Sesselstütze zu lösen und in diesem Bereich eine erfindungsgemäße Messvorrichtung zu positionieren. Auf ähnliche Weise können Messvorrichtungen zusätzlich oder ausschließlich an und/oder in den Last abtragenden Elementen wie beispielsweise zwischen den Beinen und Rollen eines Bürosessels angeordnet werden. Die Erfindung schließt weiters ein, dass die Haltung einer in einem Rollstuhl sitzenden Person leicht erfasst wird, indem Messvorrichtungen im Schnittbereich zwischen der Sitzfläche bzw. Lehne und dem Rahmen des Rollstuhls angeordnet werden. Die Erfindung schließt auch die Anordnung von Messvorrichtungen zwischen der Liegeeinheit und dem Last abtragenden Elementes eines Bettes wie beispielsweise eine Stütze eines Bettes ein, um die Position der im Bett liegenden Person zu erfassen. Letzteres schließt auch eine Detektion ein, ob die Person sich im Bett befindet.The arrangement of sensors as units of the measuring device in the interface between the seat and, for example, the chair support of an office swivel chair is much simpler than the attachment of sensors to the seat of a chair. For the installation of a device described here, for example, it is sufficient to loosen the screw connection between the seat surface and the chair support and to position a measuring device according to the invention in this area. Similarly, measuring devices may be additionally or exclusively arranged on and / or in load-bearing elements such as between the legs and rollers of an office chair. The invention further includes that the posture of a person sitting in a wheelchair is easily detected by placing measuring devices in the intersection between the seat and the frame of the wheelchair. The invention also includes the arrangement of measuring devices between the lying unit and the load-bearing element of a bed, such as a support of a bed, to detect the position of the person lying in bed. The latter also includes detection of whether the person is in bed.
Im Rahmen dieser Erfindung sind unter Sitz- und Liegeeinheiten auch Einheiten zu verstehen, auf welchen eine Person Bewegungen durchführt oder in Haltungen verharrt, die sich vom Sitzen oder Liegen unterscheiden. Ebenso kann eine Sitzeinheit auch Armlehnen oder Kopfstützen umfassen, wobei die Haltung eines Körperteils wie beispielsweise eines Arms oder Kopfes in Bezug auf die Armlehne bzw. die Kopfstütze ermittelt wird. Jede Bewegung der Person oder eines Körperteils der Person rufen eine Verschiebung des Schwerpunktes der Person beziehungsweise des lokalen Schwerpunktes des Körperteils hervor. Eine Verschiebung des Schwerpunktes bedingt eine Veränderung der Kräfte, welche von der Sitz- und Liegeeinheit über das Last abtragende Element abgetragen wird. Folglich wird der Kraft- und Verzerrungszustand im Schnittbereich zwischen der Sitz- und Liegeeinheit und dem Last abtragenden Element und/oder im gesamten Last abtragenden Element geändert. Eine im Rahmen dieser Erfindung vorgeschlagene Messung des Kraft- und/oder Verzerrungszustandes in den oben erwähnten Bereichen ist insofern vorteilhaft, dass Messvorrichtungen leicht angebracht werden können. Letzteres inkludiert auch das nachträgliche Anbringen von Messvorrichtungen an vorhandene Einrichtungen.In the context of this invention, seating and lying units are also to be understood as units on which a person performs movements or remains in postures that differ from sitting or lying down. Likewise, a seat unit may also include armrests or headrests, wherein the posture of a body part such as an arm or head with respect to the armrest or the headrest is determined. Any movement of the person or body part of the person causes a shift in the center of gravity of the person or the local center of gravity of the body part. A shift in the Focus causes a change in the forces, which is removed by the seat and reclining unit on the load-removing element. Consequently, the state of force and distortion is changed in the interface between the seat and couch unit and the load-removing member and / or the load-removing member in the entire load. A measurement of the state of force and / or distortion in the above-mentioned ranges proposed in the context of this invention is advantageous in that measuring devices can be easily mounted. The latter also includes the subsequent attachment of measuring devices to existing facilities.
Die Messung der Kraft und/oder Verzerrung kann durch jede Art der dem Fachmann bekannten Messvorrichtungen wie beispielsweise Kraftmessdosen, Dehnmessstreifen, Wegaufnehmer oderThe measurement of the force and / or distortion can be achieved by any type of measuring devices known to those skilled in the art, such as load cells, strain gauges, displacement transducers or
Distanzmessgeräte erfolgen. Es ist auch im Rahmen dieser Erfindung möglich beispielsweise lokale Verschiebungen zu messen, wobei aus diesen ermittelten Werten der Kraft- und Verzerrungszustand ermittelt wird.Distance measuring devices take place. It is also possible within the scope of this invention to measure, for example, local displacements, the force and distortion state being determined from these determined values.
Eine mögliche, weiterführende Variante der erfindungsgemäßen Vorrichtung ist, dass eine zusätzliche mechanische Vorrichtung zur Steuerung des Verzerrungszustandes im Schnittbereich zwischen der Sitz- oder Liegeeinheit und dem zumindest einem Last abtragenden Element am und/oder im Last abtragenden Element angeordnet ist. Durch die Anordnung von Vorrichtungen zur Steuerung des Verzerrungszustandes in den Last abtragenden Elementen wie beispielsweise Beinen eines Sessel oder zumindest Teile eines Rahmens eines Rollstuhls, kann durch die Initiierung oder Unterbinden von Verformungen der Last abtragenden Elemente die Haltung der Person beeinflusst werden. Beispielsweise kann durch eine Neigung der Sitzfläche eines Bürosessels oder eines Rollstuhles die Haltung der sitzenden Person geändert werden. Die Haltung wird hierbei durch eine Veränderung der Sitzoder Liegeeinheit beeinflusst. Eine Möglichkeit einer Verwendung der erfindungsgemäßen Vorrichtung liegt darin, dass ein erster Kraft- und Verzerrungszustand durch die Messvorrichtung ermittelt wird und bei Abweichung des ersten Kraft- und Verzerrungszustandes von einem zweiten vorgegebenen Kraft- und Verzerrungszustand ein Alarmsignal ausgegeben wird. Die Messvorrichtungen sind mit einer Einheit gekoppelt, welche aus dem erfassten Kraft- und Verzerrungszustand die Haltung der Person ermittelt. Durch die gegebenenfalls Ausgabe eines Alarmsignals wird die Person aufgefordert, die Haltung zu ändern.A possible, further variant of the device according to the invention is that an additional mechanical device for controlling the distortion state in the interface between the sitting or lying unit and the at least one load-removing element on and / or in the load-removing element is arranged. By arranging devices for controlling the state of distortion in the load-removing elements such as legs of a chair or at least parts of a frame of a wheelchair, by initiating or inhibiting deformation of the load-removing elements, the posture of the person can be influenced. For example, by inclining the seat surface of an office chair or a wheelchair, the posture of the seated person can be changed. The attitude is influenced by a change of the sitting or lying unit. One possibility of using the device according to the invention is that a first state of force and distortion is determined by the measuring device and an alarm signal is output upon deviation of the first force and distortion state from a second predetermined force and distortion state. The measuring devices are coupled to a unit, which determines the attitude of the person from the detected state of force and distortion. By optionally issuing an alarm signal, the person is asked to change the attitude.
Die Einheit, mit welcher die Haltung der Person anhand der Kraft und/oder Verzerrung ermittelt wird, ist beispielsweise ein Computer, welcher mit der Messeinheit in Kommunikation steht. Vorteilhaft arbeitet die Person, welche auf der Sitzeinheit sitzt, mit dem Computer.The unit with which the attitude of the person is determined on the basis of the force and / or distortion is, for example, a computer which is in communication with the measuring unit. Advantageously, the person sitting on the seat unit works with the computer.
Eine weitere Möglichkeit der Verwendung der erfindungsgemäßen Vorrichtung ist, dass ein erster Kraft- und Verzerrungszustand durch die Messvorrichtung ermittelt wird und bei Abweichung des ersten Kraft- und Verzerrungszustand von einem zweiten vorgegebenen Kraft- und Verzerrungszustand die Körperhaltung der Person durch die zusätzliche mechanische Vorrichtung abgeändert wird.A further possibility for using the device according to the invention is that a first state of force and distortion is determined by the measuring device and, in the case of a deviation of the first force and distortion state from a second predetermined state of force and distortion, the posture of the person is modified by the additional mechanical device ,
Vorzugsweise werden in jenen Bereich, an dem die Messvorrichtungen angeordnet sind, auch die mechanische Vorrichtung zur Veränderung der Körperhaltung der Person angebracht werden. Es können hierbei Linearantriebe wie beispielsweise pneumatische Vorrichtungen eingesetzt werden, die eine Änderung der Haltung der Person für einen längeren Zeitraum bewirken. Ebenso können Vorrichtungen, die eine kontinuierliche und/oder schwingende Bewegung hervorrufen, vorgesehen werden. In einer möglichen Ausführungsform sind die Messvorrichtungen in einem Bereich zwischen der Sitz- und Liegeeinheit und dem Last abtragenden Element angeordnet, wobei die Abtragung beziehungsweise die Weiterleitung der Kräfte von der Sitz- und Liegeeinheit in das Last abtragende Element gewährleistet sein muss.Preferably, in the area where the measuring devices are arranged, the mechanical device for changing the posture of the person are also attached. It can be used here linear actuators such as pneumatic devices that cause a change in the attitude of the person for a longer period. Likewise, devices which cause a continuous and / or oscillatory movement can be provided. In one possible embodiment, the measuring devices are arranged in a region between the sitting and lying unit and the load-removing element, wherein the ablation or the Forwarding the forces must be ensured by the sitting and lying unit in the load-removing element.
Die mechanische Vorrichtung zur Steuerung des Verzerrungszustandes kann zumindest zwei Linearantriebe oder pneumatische Kolben oder eine sonstige dem Fachmann bekannte Vorrichtung umfassen, durch welche eine Bewegung der Sitz- oder Liegeeinheit in im wesentlichen vertikaler Richtung und/oder ein Kippen dieser bewerkstelligt werden kann. Die oben beschriebene Anordnung der mechanischen Vorrichtung zu Steuerung kann in einer bevorzugten Form erfolgen, sodass der kraftschlüssige Verbund zwischen der Sitz- und Liegeeinheit und dem Last abtragenden Element gewährleistet ist.The mechanical device for controlling the state of distortion may comprise at least two linear drives or pneumatic pistons or any other device known to those skilled in the art, by means of which a movement of the sitting or lying unit in a substantially vertical direction and / or a tilting of these can be accomplished. The above-described arrangement of the mechanical device for control can take place in a preferred form, so that the frictional connection between the sitting and lying unit and the load-removing element is ensured.
Aufgrund des Kraft- und Verzerrungszustandes kann eine für eine Person schädliche Körperhaltung erkannt werden. Beispiele für eine schlechte Haltung einer Person sind das Verharren in einer Haltung, sodass die Gefahr von Verspannungen oder des Wundsitzens oder des Einschlafens der Person besteht.Due to the state of strength and distortion, a body posture that is harmful to a person can be recognized. Examples of a poor posture of a person are staying in an attitude, so there is a risk of tension or the patient's wound or falling asleep.
Im Rahmen der Verwendung der erfindungsgemäßen Vorrichtung ist es möglich, dass eine aktuelle Körperhaltung der Person und zumindest eine von der aktuellen Körperhaltung abweichende Körperhaltung an einem Bildschirm angezeigt wird.As part of the use of the device according to the invention, it is possible that a current posture of the person and at least one deviating from the current posture posture is displayed on a screen.
Insbesondere im Falle der Erfassung der Haltung einer sitzenden Person, welche an einem Computer arbeitet, kann es vorteilhaft sein, dass die gemessene Haltung und dazu im Vergleich bessere Haltung am Bildschirm des Computers angezeigt wird. Die Person wird durch die graphische Anzeige zu einer korrekten Haltung animiert.In particular, in the case of detecting the posture of a seated person working on a computer, it may be advantageous to display the measured posture and, by comparison, better posture on the screen of the computer. The person is animated by the graphic display to a correct attitude.
Ebenso ist es im Rahmen dieser Erfindung möglich, dass am Bildschirm Bewegungen oder in weiteren Schritten von der Person einzunehmende Haltungen angezeigt werden. Ebenso kann die erfindungsgemäße Vorrichtung so eingesetzt werden, dass die Person durch eine zumindest teilweise Veränderung der gemessenen Kraft- und Verzerrungszustandes und/oder durch ein Alarmsignal und/oder durch eine Analyse der Körperhaltung an einem Bildschirm zu Bewegungen animiert wird.Likewise, within the scope of this invention, it is possible for movements to be displayed on the screen or positions taken by the person in further steps. Likewise, the device according to the invention can be used so that the person is animated by an at least partial change of the measured force and distortion state and / or by an alarm signal and / or by an analysis of the posture on a screen to movements.
Die Animation kann durch eine zumindest teilweise Veränderung der gemessenen Kraft- und Verzerrungszustandes und/oder durch ein Alarmsignal und/oder durch eine Analyse der Körperhaltung an einem Bildschirm erfolgen. Hierbei seien alle dem Fachmann bekannte Methoden eingeschlossen, um der Person die aktuelle Haltung sowie eine davon abweichende Haltung zu kommunizieren.The animation can be done by an at least partial change of the measured force and distortion state and / or by an alarm signal and / or by an analysis of the posture on a screen. In this case, all methods known to the person skilled in the art are included in order to communicate to the person the current posture as well as a different posture.
Erfordert die erfindungsgemäße Vorrichtung eine Energieversorgung, so kann diese Energieversorgung beispielsweise in Form von Strom durch einen Netzanschluss oder einen Akku, welcher beispielsweise an der Vorrichtung angebracht ist, erfolgen.If the device according to the invention requires a power supply, then this power supply can take place, for example, in the form of power through a mains connection or a rechargeable battery, which is attached to the device, for example.
Figur 1 zeigt einen Sessel, welcher Teil einer Ausführungsform der erfindungsgemäßen Vorrichtung zur Erfassung der Haltung einer sitzendenFigure 1 shows a chair, which is part of an embodiment of the inventive device for detecting the attitude of a sedentary
Person ist.Person is.
Figur 2 zeigt einen Rollstuhl, welcher Teil einer Ausführungsform der erfindungsgemäßen Vorrichtung zur Erfassung der Haltung einer sitzendenFigure 2 shows a wheelchair, which is part of an embodiment of the inventive device for detecting the attitude of a sedentary
Person ist. Figur 3a, 3b und 3c zeigen weitere Ausführungsformen eines Bürosessels, welcher Teil einer erfindungsgemäßen Vorrichtung zur Erfassung derPerson is. Figures 3a, 3b and 3c show further embodiments of an office chair, which is part of a device according to the invention for detecting the
Haltung einer sitzenden Person ist.Attitude of a seated person is.
Figur 4a und 4b zeigt einen Bettenrost, welcher Teil einer Ausführungsform der erfindungsgemäßen Vorrichtung zur Erfassung der Position einer in einem Bett liegenden Person. In Figur 1 ist ein Sessel 1 als Teil einer erfindungsgemäßen Vorrichtung zur Erfassung einer Körperhaltung einer Person 8 gezeigt, wobei die erfindungsgemäße Vorrichtung eine Sitzeinheit 3, eine Stütze 5 als Last abtragendes Element und eine Messvorrichtung 2 umfasst, wobei die Messvorrichtung 2 zur Erfassung des Kraft- und/oder Verzerrungszustandes im Schnittbereich zwischen der Sitzeinheit 3 und der Stütze 5 angeordnet ist. In der in Figur 1 gezeigten Ausführungsform umfasst die Messvorrichtung 2 zumindest zwei Einheiten, welche in Bezug auf die Achse der Stütze 5 versetzt angeordnet sind. Anhand der mittels der Messvorrichtung 2 wie beispielsweise Dehnmessstreifen oder Druckmessdosen ermittelten Messwerten wie beispielsweise eine Veränderung der vertikalen Kräfte (Pfeile)6, daraus resultierend das auftretende Moment (Pfeil)7 wird auf die Haltung der Person 8 geschlossen. Jede Änderung der Haltung der Person 8 verursacht eine Verschiebung des Schwerpunktes 9 der Person 8, daraus resultierend eine Veränderung der vertikalen Kräfte (Pfeile)6 und des Momentes (Pfeil)7, die über die Stütze 5 des Sessels 1 als Last abtragendes Element abgetragen werden. Die Anzahl der Messwerte ist im Rahmen der Erfindung nicht maßgeblich. Ebenso kann mit Hilfe der Messvorrichtung 2 gemessen werden, ob eine Person 8 auf dem Sessel 1 sitzt bzw. anwesend ist.Figure 4a and 4b shows a bed frame, which forms part of an embodiment of the device according to the invention for detecting the position of a person lying in a bed. 1 shows a chair 1 as part of a device according to the invention for detecting a posture of a person 8, wherein the device according to the invention comprises a seat unit 3, a support 5 as a load-removing element and a measuring device 2, wherein the measuring device 2 for detecting the force - And / or distortion state in the interface region between the seat unit 3 and the support 5 is arranged. In the embodiment shown in FIG. 1, the measuring device 2 comprises at least two units, which are arranged offset with respect to the axis of the support 5. On the basis of the measuring device 2 such as strain gauges or pressure cells measured values such as a change in the vertical forces (arrows) 6, resulting in the occurring moment (arrow) 7 is closed to the attitude of the person 8. Any change in the attitude of the person 8 causes a shift of the center of gravity 9 of the person 8, resulting in a change of the vertical forces (arrows) 6 and the moment (arrow) 7, which are removed via the support 5 of the chair 1 as a load-removing element , The number of measured values is not relevant in the context of the invention. Likewise, it can be measured with the aid of the measuring device 2, whether a person 8 sitting on the chair 1 or is present.
Neben der Messvorrichtung 2 ist eine ebenso zwei Einheiten umfassende mechanische Vorrichtung 11 zur Steuerung des Verzerrungszustandes im Schnittbereich zwischen der Sitzeinheit 3 und der Stütze 5 des Sessels 1 angeordnet, sodass beispielsweise die Neigung der Sitzeinheit 3 des Sessels 1 , folglich die Haltung der Person 8 beeinflusst wird. Die mechanische Vorrichtung 1 1 umfasst zumindest zwei Einheiten, wobei eine Einheit aus einem Linearantrieb oder einem pneumatischen Kolben besteht. In der in Figur 1 gezeigten Ausführungsform ist eine Einheit der mechanischen Vorrichtung 11 und eine Einheit der Messvorrichtung 2 als eine Einheit ausgebildet. Die Messvorrichtung 2 ist mit einer Einheit zur Analyse der Messwerte wie einen Computer 10, mit welchem die auf dem Sessel 1 sitzende Person 8 arbeitet, gekoppelt. Der Computer 10 oder eine weitere Einheit gibt ein Alarmsignal aus, wenn aus den Messwerten ermittelt wird, dass die Körperhaltung der Person 8 für die Person 8 schädlich ist. Eine Körperhaltung der Person 8 kann beispielsweise schädlich sein, wenn eine erste Körperhaltung 13 von einer zweiten vorgegebenen Körperhaltung 14 abweicht. Ebenso kann die Körperhaltung der Person 8 durch die mechanischen Vorrichtungen 11 in der Form geändert werden. Die aktuelle Körperhaltung 13 der Person 8 wird auf dem Bildschirm 12 angezeigt. Durch das Anzeigen einer zweiten vorgegebenen Körperhaltung 14 wird die Person 8 aufgefordert die zweite Körperhaltung 14 einzunehmen, die eine für die Person 8 bessere Haltung oder Teil einer Bewegung ist.In addition to the measuring device 2, a two-unit mechanical device 11 for controlling the distortion state in the interface between the seat unit 3 and the support 5 of the chair 1 is arranged, so that, for example, the inclination of the seat unit 3 of the chair 1, thus affecting the attitude of the person 8 becomes. The mechanical device 1 1 comprises at least two units, wherein one unit consists of a linear drive or a pneumatic piston. In the embodiment shown in FIG. 1, a unit of the mechanical device 11 and a unit of the measuring device 2 are formed as one unit. The measuring device 2 is coupled to a unit for analyzing the measured values, such as a computer 10, with which the person 8 sitting on the chair 1 works. The computer 10 or another unit issues an alarm signal when it is determined from the measured values that the person 8 posture is harmful to the person 8. A posture of the person 8 may be harmful, for example, if a first posture 13 deviates from a second predetermined posture 14. Likewise, the posture of the person 8 can be changed by the mechanical devices 11 in the mold. The current posture 13 of the person 8 is displayed on the screen 12. By displaying a second predetermined posture 14, the person 8 is prompted to take the second posture 14, which is a better posture or part of a movement for the person 8.
In Figur 2 ist eine Verwendung des erfindungsgemäßen Vorrichtung zur Messung der Körperhaltung einer in einem Rollstuhl 15 sitzenden Person 8 gezeigt, wobei in Figur 2 die Person 8 nicht gezeigt ist. Der Rollstuhl 15 umfasst einen Rahmen 16 als Last abtragendes Element 4, eine durch eine Lederbespannung hergestellte Sitzeinheit 3 und am Rahmen 16 seitlich angeordnete Räder 17.FIG. 2 shows a use of the device according to the invention for measuring the posture of a person 8 sitting in a wheelchair 15, the person 8 not being shown in FIG. The wheelchair 15 comprises a frame 16 as a load-removing element 4, a seat unit 3 produced by a leather covering and laterally arranged wheels 17 on the frame 16.
Der Rollstuhl umfasst weiters eine aus mehrere Einheiten besieπende Messvorrichtung 2 umfasst, wobei die Einheiten der Messvorrichtung 2 zur Erfassung des Kraft- und/oder Verzerrungszustandes, welche im Wesentlichen durch die Kräfte (Pfeil) 6 im Schnittbereich hervorgerufen werden, zwischen zumindest der Sitzeinheit 3 und dem Rahmen 16 angeordnet sind. Vorteilhaft sind die Einheiten der Messvorrichtungen 2 in einem Bereich angeordnet, in welchem die durch eine Leder- oder Stoffbespannung hergestellte Sitzeinheit 3 einen Teil des Rahmens 16 des Rollstuhls 15 umschließt, da in diesem Bereich eine Veränderung der Kraft (Pfeil) 6 durch die Person 8 leicht messbar ist. Figur 3a zeigt einen Sessel 1 , wobei die mehrere Einheiten umfassende Messvorrichtung 2 als Teil der Stütze 5 des Sessels 1 zur Erfassung des Kraft- und/oder Verzerrungszustandes angeordnet ist. Eine Ableitung der Kräfte (Pfeile) 6 durch die Stütze 5 erfolgt durch die Anordnung der Messvorrichtung 2 über die Einheiten der Messvorrichtung 2.The wheelchair further includes a measuring device 2 comprising a plurality of units, the units of the measuring device 2 for detecting the force and / or distortion state, which are essentially caused by the forces (arrow) 6 in the cutting area, between at least the seat unit 3 and the frame 16 are arranged. Advantageously, the units of the measuring devices 2 are arranged in a region in which the seat unit 3 produced by a leather or fabric covering surrounds a part of the frame 16 of the wheelchair 15, since in this area a change of the force (arrow) 6 by the person 8 easily measurable. FIG. 3a shows an armchair 1, wherein the measuring device 2 comprising several units is arranged as part of the support 5 of the armchair 1 for detecting the state of force and / or distortion. A derivative of the forces (arrows) 6 through the support 5 is achieved by the arrangement of the measuring device 2 on the units of the measuring device. 2
Figur 3b zeigt einen Sessel 1 , wobei die mehrere Einheiten umfassende Messeinheit 2 zwischen den Sesselbeinen 7 und den durch Rollen 18 gebildeten Aufstandsflächen angeordnet ist. Figur 3c zeigt einen Sessel 1 , wobei Dehnmessstreifen als Einheiten der Messvorrichtung 2 an der Stütze 5 des Sessels 1 angeordnet sind. Die in den Figuren 3a bis 3c gezeigten Ausführungsformen basieren auf dem Prinzip, dass eine Änderung des Schwerpunktes 9 der auf der Sitzeinheit 3 sitzenden Person 8 eine Änderung der in den Einheiten der Messvorrichtung 2 wirkenden Kräfte (Pfeil 6) und des auf das Last abtragende Element 4 wirkende Moment (Pfeil 7) bedingt. Die Ausführungsformen unterscheiden sich lediglich durch die Anbringung der Einheiten der Messvorrichtung 2 am Sessel 1.FIG. 3b shows an armchair 1, wherein the measuring unit 2 comprising several units is arranged between the armchair legs 7 and the contact surfaces formed by rollers 18. FIG. 3 c shows an armchair 1, wherein strain gauges are arranged as units of the measuring device 2 on the support 5 of the chair 1. The embodiments shown in FIGS. 3 a to 3 c are based on the principle that a change in the center of gravity 9 of the person 8 seated on the seat unit 3 changes the forces acting in the units of the measuring device 2 (arrow 6) and of the load-removing element 4 acting moment (arrow 7) conditionally. The embodiments differ only by the attachment of the units of the measuring device 2 on the chair. 1
Figur 4a zeigt einen einen Bettrahmen 21 und Bettlatten 20 umfassenden Bettrost 19. Die Bettlatten 20 sind ein Teil einer Liegeeinheit 3. Der Bettrahmen 21 dient als Last abtragendes Element 4. Die Einheiten der Messvorrichtung 2 sind zwischen den Bettenlatten 20 und dem Bettrahmen 21 angeordnet. Durch die Einheiten der Messvorrichtungen 2 wird die Kraft und/oder die Verzerrung im Schnittbereich zwischen den Bettlatten 20 und dem Bettrahmen 21 gemessen, sodass anhand von Messwerten, welche durch die Messvorrichtungen 2 gemessen werden, die Anwesenheit der Person 8 auf der Liegeeinheit 3 und/oder die Körperhaltung der Person 8 ermittelt wird. Eine Veränderung der Köperhaltung der Person 8 bedingt eine Veränderung der Position des Schwerpunktes 9 der Person 8, wodurch durch die Messvorrichtung 2 eine andere Kraft und/oder eine andere Verzerrung gemessen wird.4a shows a bed frame 19 comprising a bed frame 21 and bed slats 20. The bed slats 20 are part of a lying unit 3. The bed frame 21 serves as a load-removing element 4. The units of the measuring apparatus 2 are arranged between the slats 20 and the bed frame 21. The units of the measuring devices 2 are used to measure the force and / or the distortion in the area of intersection between the bed slats 20 and the bed frame 21 so that the presence of the person 8 on the lying unit 3 and / or measurements is measured by the measuring devices 2. or the posture of the person 8 is determined. A change in the twill posture of the person 8 causes a change in the position of the center of gravity 9 of the person 8, whereby by the Measuring device 2, a different force and / or distortion is measured.
Figur 4b zeigt einen Bettenrost 19 als Teil einer Liegeeinheit 3, welcher einen Bettrahmen 21 und Bettlatten 20 umfasst. Die Stützen 5 dienen als Last abtragende Elemente 4. Die Einheiten der Messvorrichtungen 2 zurFIG. 4 b shows a bed frame 19 as part of a lying unit 3 which comprises a bed frame 21 and bed slats 20. The supports 5 serve as load-removing elements 4. The units of the measuring devices 2 for
Erfassung der Kraft und/oder Verzerrung sind im Schnittbereich zwischen den Stützen 5 des Bettes und dem Bettrahmen 21 angeordnet, sodass anhand von Messwerten, welche durch die Messvorrichtungen 2 gemessen werden, die Anwesenheit der Person 8 auf der Liegeeinheit 3 und/oder dieDetection of the force and / or distortion are arranged in the intersection between the supports 5 of the bed and the bed frame 21, so that on the basis of measured values, which are measured by the measuring devices 2, the presence of the person 8 on the lying unit 3 and / or the
Position der Person 8 ermittelt wird.Position of the person 8 is determined.
In den Figuren 4a und 4b ist die Person 8 nicht dargestellt. In Figures 4a and 4b, the person 8 is not shown.

Claims

PATENTANSPRÜCHE
1. Vorrichtung zur Erfassung und gegebenenfalls Korrektur einer Körperhaltung einer Person, wobei die Vorrichtung eine Sitz- oder Liegeeinheit (3), zumindest ein Last abtragendes Element (4) und eine Messvorrichtung (2) umfasst, dadurch gekennzeichnet, dass die Messvorrichtung (2) zur Erfassung eines Kraft- und/oder einer Verzerrungszustandes im Schnittbereich zwischen zumindest einem Teil der Sitz- oder Liegeeinheit (3) und dem zumindest einem Last abtragenden Element (4) am. und/oder im Last abtragenden Element (4) angeordnet ist, wobei anhand von Messwerten, welche durch die Messvorrichtung (2) zur Erfassung des Kraft- und/oder Verzerrungszustandes gemessen werden, die Anwesenheit der Person (8) auf der Sitz- oder Liegeeinheit (3) und/oder die Körperhaltung der Person (8) ermittelbar ist.1. A device for detecting and possibly correcting a posture of a person, wherein the device comprises a sitting or lying unit (3), at least one load-removing element (4) and a measuring device (2), characterized in that the measuring device (2) for detecting a force and / or a distortion state in the intersection region between at least part of the sitting or lying unit (3) and the at least one load-removing element (4) on. And / or in the load-removing element (4) is arranged, based on measured values, which are measured by the measuring device (2) for detecting the state of force and / or distortion, the presence of the person (8) on the sitting or lying unit (3) and / or the posture of the person (8) determined is.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass eine zusätzliche mechanische Vorrichtung (11) zur Steuerung des Verzerrungszustandes im Schnittbereich zwischen der Sitz- oder Liegeeinheit (3) und dem zumindest einem Last abtragenden Element (4) am und/oder im Last abtragenden Element (4) angeordnet ist.2. Apparatus according to claim 1, characterized in that an additional mechanical device (11) for controlling the distortion state in the cutting region between the sitting or lying unit (3) and the at least one load-removing element (4) on and / or in the load-removing Element (4) is arranged.
3. Verfahren zur Erfassung einer Körperhaltung einer Person (8), welche auf einer Vorrichtung nach Anspruch 1 und 2 sitzt oder steht, dadurch gekennzeichnet, dass ein erster Kraft- und Verzerrungszustand durch die Messvorrichtung (2) ermittelt wird und bei Abweichung des ersten Kraft- und Verzerrungszustand von einem zweiten Kraft- und Verzerrungszustandes ein Alarmsignal ausgegeben wird.3. A method for detecting a posture of a person (8), which sits or stands on a device according to claim 1 and 2, characterized in that a first state of force and distortion by the measuring device (2) is determined and in deviation of the first force and distortion state from a second force and distortion state, an alarm signal is output.
4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass ein erster Kraft- und Verzerrungszustand durch die Messvorrichtung (2) ermittelt wird und bei Abweichung des ersten Kraft- und Verzerrungszustand von einem zweiten Kraft- und Verzerrungszustandes die Körperhaltung durch die zusätzliche mechanische Vorrichtung (11) abgeändert wird.4. The method according to claim 3, characterized in that a first state of force and distortion by the measuring device (2) is determined and in deviation of the first state of force and distortion of a second power and distortion state, the posture is modified by the additional mechanical device (11).
5. Verfahren nach Anspruch 3 und 4, dadurch gekennzeichnet, dass eine aktuelle Körperhaltung (13) der Person (8) und zumindest eine von der aktuellen Körperhaltung abweichende Körperhaltung (14) an einem Bildschirm (12) angezeigt wird.5. The method according to claim 3 and 4, characterized in that a current posture (13) of the person (8) and at least one deviating from the current posture posture (14) on a screen (12) is displayed.
6. Verfahren nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die Person (8) durch eine zumindest teilweise6. The method according to any one of claims 3 to 5, characterized in that the person (8) by an at least partially
Veränderung der gemessenen Kraft- und Verzerrungszustandes und/oder durch ein Alarmsignal und/oder durch eine Analyse der Körperhaltung an einem Bildschirm zu Bewegungen animiert wird. Changing the measured force and distortion state and / or by an alarm signal and / or by an analysis of the posture on a screen to movements is animated.
EP09804225A 2008-12-18 2009-12-16 Apparatus for detecting a body posture Withdrawn EP2358274A1 (en)

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AT19732008A AT507736B1 (en) 2008-12-18 2008-12-18 DEVICE FOR DETECTING A BODY POSTURE
PCT/AT2009/000489 WO2010085826A1 (en) 2008-12-18 2009-12-16 Apparatus for detecting a body posture

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