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EP0068215B1 - Apparatus for a passive movement of the legs - Google Patents

Apparatus for a passive movement of the legs Download PDF

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Publication number
EP0068215B1
EP0068215B1 EP82105086A EP82105086A EP0068215B1 EP 0068215 B1 EP0068215 B1 EP 0068215B1 EP 82105086 A EP82105086 A EP 82105086A EP 82105086 A EP82105086 A EP 82105086A EP 0068215 B1 EP0068215 B1 EP 0068215B1
Authority
EP
European Patent Office
Prior art keywords
drive motor
pedal
floor stand
user
pedals
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
Application number
EP82105086A
Other languages
German (de)
French (fr)
Other versions
EP0068215A1 (en
Inventor
Theodor Schotten
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.)
Neubauer Maschinenbau GmbH
Original Assignee
Neubauer Maschinenbau 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 Neubauer Maschinenbau GmbH filed Critical Neubauer Maschinenbau GmbH
Priority to AT82105086T priority Critical patent/ATE16354T1/en
Publication of EP0068215A1 publication Critical patent/EP0068215A1/en
Priority to JP58101858A priority patent/JPS592739A/en
Priority to AU15707/83A priority patent/AU1570783A/en
Application granted granted Critical
Publication of EP0068215B1 publication Critical patent/EP0068215B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0214—Stretching or bending or torsioning apparatus for exercising by rotating cycling movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • A63B2022/0611—Particular details or arrangement of cranks
    • A63B2022/0617—Particular details or arrangement of cranks with separate crank axis for each limb, e.g. being separately adjustable or non parallel
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • A63B2022/0635—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers specially adapted for a particular use
    • A63B2022/0647—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers specially adapted for a particular use for cycling in a standing position, i.e. without a seat or support for the trunk
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0009—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for handicapped persons
    • A63B2071/0018—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for handicapped persons for wheelchair users
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
    • A63B21/0058—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using motors
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters
    • A63B21/015—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters including rotating or oscillating elements rubbing against fixed elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0694—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement without integral seat, e.g. portable mini ergometers being placed in front of a chair, on a table or on a bed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2208/00—Characteristics or parameters related to the user or player
    • A63B2208/02—Characteristics or parameters related to the user or player posture
    • A63B2208/0242—Lying down
    • A63B2208/0257—Lying down prone
    • A63B2208/0261—Lying down prone using trunk supports resisting forward motion of user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2168—Pedals
    • Y10T74/217—Pedals with toe or shoe clips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2186—Gear casings

Definitions

  • the invention relates to a device for a passive leg movement with a bottom bracket, a base frame supporting this, one on each side of the bottom bracket, arranged by means of a motor driven crank with pedals and a handle bar with handles, up to which the handle bar with a body is clad, which is boarded with smooth walls lying essentially in vertical planes and has an elongated cross section in a horizontal plane with a longitudinal extension which is considerably greater in relation to its transverse extent, the handles being located above the bottom bracket.
  • a device of this type known according to US-A-3 991 749 is derived from the bicycle structure in such a way that the saddle, the bottom bracket and the handlebar form a triangle with one another, in which the handlebar, as seen by the user, slopes obliquely is located above the bottom bracket at the front, while the saddle is slanted to the rear above the bottom bracket.
  • passive leg movement can only be considered for those users who are able to sit on a saddle and who can still adequately control their leg movements.
  • the narrow side of the panel facing the user is inclined obliquely forward so that it remains accessible for the actuation of a switch button arranged there, so that the case can occur that the user's knees strike against the panel edges or even against one another if there is a lack of control function.
  • the object of the invention is to use the device to perform leg movements even in patients who are bound to a wheelchair, in particular paraplegics and multiple sclerosis patients who are largely restricted in their mobility are to be treated .
  • the speed control of the motor can be adjusted either by means of a dimmer on the plate closing in the upper section of the body or by means of a rotatable handle. In both cases, control is easy for the patient.
  • the motion motor drives the pedal crankshaft via a worm gear and a slip clutch, for which a Bowden cable can be actuated.
  • a special adaptation to the movement processes of the legs is achieved in that the side walls of the body in the area of the knees of the user are arched inwards.
  • the base frame is provided with a roller along its front or along its rear edge in such a way that they come into contact with the floor when the device is tilted.
  • the stability of the device is also of considerable importance.
  • the frame has protruding front and rear boom supports for ground contact on both sides.
  • FIGS 1 and 2 show the pedal crankshaft 11 emerging from the lower section 33 of the lining body, to which a crank 1 is connected on both sides.
  • the pedals 4 and 4 ' are arranged hanging.
  • Inside the cladding section 33 there is still a drive motor to be described later with clutch and gearbox, so that the pedal crankshaft 11 can be moved by a motor.
  • the lower section 33 is held firmly on the floor by means of the outrigger supports 34 emerging on both sides.
  • a roller 26 which is normally without contact with the ground. However, when the device is tilted forward, said roller 26 comes into contact with the ground, so that an easy procedure is possible.
  • a tube 23 extends upward from section 33 to support upper section 32 of the cladding body at some distance from the lower section.
  • This upper section is particularly designed so that it causes a separation between the patient's knees.
  • the smooth walls 29, with which this upper section 32 is essentially boarded, allow the knees to slide easily along, so that injuries are also avoided.
  • the longitudinal extension 30 must therefore be dimensioned such that the section 32 is located between the knees.
  • the transverse extension 31 is of relatively small extent.
  • the handles 6 and 6 'penetrate the section 32. One of the handles can be rotated and allows the speed of the motor, not shown here, to be adjusted via a Bowden cable.
  • the section 32 is closed at the top by the essentially flat plate 14, which, as FIG.
  • the end pivots 8 of the cranks 1 mentioned above carry, as can be seen in FIG. 4, radial ball bearings 7 by means of the above bolts, with the aid of which the pedals 4 are arranged in a hanging manner.
  • the pedal crankshaft 11, to which the cranks 1 are fastened at the ends, is driven according to FIG. 3 via the worm 18 and the gearwheel 19 engaged therewith and finally the slip clutch 20.
  • the slip clutch there is a Bowden cable 21 which leads upwards through the tube 23 shown in FIGS. 1, 2 and 5, so that it can be actuated from there.
  • FIG. 3 also shows, the entire arrangement is housed in a housing, so that the gear and clutch cannot get dirty on the one hand and that on the other hand no oil or lubricants can escape.
  • FIGS. 5 and 6 show how the tube 23 running above with supports 24 forms a base frame.
  • 5 shows the position of the motor 3, which is connected to the bottom bracket 2 and whose output is formed by the worm 18 already mentioned.
  • the base frame there is the base area 13, from which the cladding 5 extends obliquely upwards.
  • the base frame is formed with a base plate 27 in the area of its base area 13.
  • a roller 26 can be seen on the rear edge thereof, by means of which the device can be moved in a tilted position.

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  • Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pain & Pain Management (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Vascular Medicine (AREA)
  • Rehabilitation Tools (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Mechanical Control Devices (AREA)

Abstract

In an apparatus for passive leg-exercises comprising a pedal bearing which is supported by a floor stand and a pedal crank with pedals driven by a driving motor, the invention provides that above the floor stand, which forms a lower apparatus section, there is an independent upper section which carries handle bars. This upper section is connected with the floor stand by a tube of flat cross sectional configuration and is inclined from the vehicle in the direction towards the user. The knees of the user are maintained relatively apart by smooth walls of the upper section. The user can operate the apparatus from a wheelchair so that it is possible to treat particularly patients suffering from illnesses such as multiple sclerosis or paralysis. The pedals are suspended and therefore allow, even where full control function is lost in the patient's feet, an optimal anatomically correct position at all times while the crank is turning.

Description

Die Erfindung bezieht sich auf eine Vorrichtung für eine passive Beinbewegung mit einem Tretlager, einem dieses tragenden Bodengestell, je einer auf beiden Seiten des Tretlagers angeordneten, mittels eines Bewegungsmotors angetriebenen Kurbel mit Pedalen und einer Griffstange mit Handgriffen, bis zu denen die Griffstange mit einem Körper verkleidet ist, der mit im wesentlichen in senkrechten Ebenen liegenden glatten Wandungen verschalt ist und einen in horizontaler Ebene langgestreckten Querschnitt mit einer in Bezug zu seiner Quererstreckung erheblich grösseren Längserstreckung aufweist, wobei sich die Handgriffe oberhalb des Tretlagers befinden.The invention relates to a device for a passive leg movement with a bottom bracket, a base frame supporting this, one on each side of the bottom bracket, arranged by means of a motor driven crank with pedals and a handle bar with handles, up to which the handle bar with a body is clad, which is boarded with smooth walls lying essentially in vertical planes and has an elongated cross section in a horizontal plane with a longitudinal extension which is considerably greater in relation to its transverse extent, the handles being located above the bottom bracket.

Eine nach der US-A-3 991 749 bekannte Vorrichtung dieser Art leitet sich von der Fahrradstruktur derart ab, dass dabei der Sattel, das Tretlager sowie die Griffstange ein Dreieck miteinander bilden, bei welchem sich die Griffstange, vom Benutzer aus gesehen, schräg nach vorne oberhalb des Tretlagers befindet, während der Sattel bei entsprechender Betrachtungsweise schräg nach hinten oberhalb des Tretlagers liegt. Bei dieser Anordnung kann die passive Beinbewegung nur für derartige Benutzer in Frage kommen, die in der Lage sind, sich auf einen Sattel zu setzen, und die im übrigen ihre Beinbewegungen noch hinreichend steuern können. Die dem Benutzer zugekehrte Schmalseite der Verkleidung ist schräg nach vorne geneigt, damit sie für die Betätigung eines dort angeordneten Schaltknopfes zugänglich bleibt, so dass der Fall eintreten kann, dass die Knie des Benutzers bei mangelnder Kontrollfunktion gegen die Verkleidungskanten oder sogar gegeneinanderschlagen.A device of this type known according to US-A-3 991 749 is derived from the bicycle structure in such a way that the saddle, the bottom bracket and the handlebar form a triangle with one another, in which the handlebar, as seen by the user, slopes obliquely is located above the bottom bracket at the front, while the saddle is slanted to the rear above the bottom bracket. With this arrangement, passive leg movement can only be considered for those users who are able to sit on a saddle and who can still adequately control their leg movements. The narrow side of the panel facing the user is inclined obliquely forward so that it remains accessible for the actuation of a switch button arranged there, so that the case can occur that the user's knees strike against the panel edges or even against one another if there is a lack of control function.

Eine nach der Druckschrift «Electronic Design», Band 24, Nr. 17, 16. August 1976, Seite 38 bekannte Ausführungsform leitet sich ebenfalls in ihrem Grundaufbau von einem Fahrrad ab, wobei Sattel, Tretlager und die Griffstange, die erwähnte, geometrische Beziehung zueinander aufweisen. Die Knie eines zu entsprechenden Bewegungen unfähigen Benutzers können dabei nicht zuverlässig gesteuert werden, wobei noch hinzu kommt, dass sie auf der Innenseite an einem vom unteren Sockel ausgehenden Faltenbalg vorbeischeuern und verletzt werden können. Von grundsätzlich gleichem Aufbau ist eine Ausführungsform nach «Product lngenieuring», Band 41, Nr. 9, 27.4.1970, Seiten 36/38. Auch hierbei kann man die Knie eines entsprechend gelähmten Benutzers nicht vor nachteiligen Berührungen schützen. Das gleiche gilt für die ebenfalls von der Geometrie eines Fahrrades abgeleiteten Trainingsgeräte nach der DE-A-20 34 942, der US-A-2 406 344 und der US-A-3 134 378. Von gattungsgemäss anderen Bewegungs- und Massagegeräten nach der US-A-3 789 836 und der US-A-2 893 380 ist es bekannt, Fussstützen mit seitlich hochgezogenen Rändern auszubilden.An embodiment known from the publication "Electronic Design", volume 24, no. 17, August 16, 1976, page 38 is also derived in its basic structure from a bicycle, with the saddle, bottom bracket and the handlebar, the geometric relationship mentioned to one another exhibit. The knees of a user who is incapable of corresponding movements cannot be reliably controlled, with the fact that they can push past and be injured on the inside of a bellows starting from the lower base. An embodiment according to “Product Engineering”, Volume 41, No. 9, April 27, 1970, pages 36/38 is of basically the same structure. Here, too, one cannot protect the knees of a user who is paralyzed from adverse contact. The same applies to the training devices also derived from the geometry of a bicycle according to DE-A-20 34 942, US-A-2 406 344 and US-A-3 134 378. Of other types of movement and massage devices according to the US-A-3 789 836 and US-A-2 893 380 it is known to form footrests with laterally raised edges.

Vom einleitend benannten Stand der Technik ausgehend liegt der Erfindung die Aufgabe zugrunde, mit der Vorrichtung Beinbewegungen auch bei Patienten auszuführen, die an einen Rollstuhl gebunden sind, wobei insbesondere Querschnittsgelähmte und Multiple-Sklerose-Kranke behandelt werden sollen, die in ihrer Beweglichkeit weitgehend eingeschränkt sind.Starting from the state of the art mentioned in the introduction, the object of the invention is to use the device to perform leg movements even in patients who are bound to a wheelchair, in particular paraplegics and multiple sclerosis patients who are largely restricted in their mobility are to be treated .

Diese Aufgabenstellung wird durch die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, gelöst.This problem is solved by the invention as characterized in the claims.

Auf diese Weise kann ein Patient die Pedalen des Tretlagers unmittelbar von einem Rollstuhl aus erreichen. Vor allem besteht dank des die Beine getrennt haltenden Körpers in keinem Falle die Gefahr, dass sich die Beine und insbesondere die Knie gegeneinander berühren. Durch Anliegen der Beine an den glatten Wandungen des sie trennenden Körpers können Verletzungen nicht verursacht werden. Unfälle infolge unkontrollierter Beinbewegungen werden somit vermieden. Da von der geometrischen Grundform eines Fahrrades insofern abgewichen wurde, als nicht nur der Sattel entfällt, sondern auch der Körper in Richtung auf den Benutzer geneigt ist, lassen sich auch die Handgriffe mühelos vom Rollstuhl aus erreichen. Die unterhalb ihres Drehpunktes hängend an den Kurbeln angeordneten Pedalen gewährleisten auch dann eine optimale Haltung der Füsse, wenn Patienten die Fussbewegungen nicht mehr hinreichend kontrollieren können. Ein Kippen der Füsse ist bei der hängenden Anordnung der Pedale mit Sicherheit ausgeschlossen. Die seitlich hochgezogenen Ränder der Fussplatten der Pedalen verhindern eine Berührung der Fussränder mit den sich bewegenden Teilen.In this way, a patient can reach the pedals of the bottom bracket directly from a wheelchair. Above all, thanks to the body that keeps the legs separate, there is no danger that the legs and especially the knees will touch each other. Injuries cannot be caused by the legs resting against the smooth walls of the body separating them. Accidents due to uncontrolled leg movements are thus avoided. Since the basic geometric shape of a bicycle has been deviated in so far that not only the saddle is omitted but also the body is inclined towards the user, the handles can also be easily reached from the wheelchair. The pedals hanging below the pivot point on the cranks ensure an optimal posture of the feet even when patients can no longer adequately control the foot movements. Tilting of the feet is definitely not possible with the hanging arrangement of the pedals. The laterally raised edges of the foot plates of the pedals prevent the foot edges from touching the moving parts.

Dem Erfordernis nach besonders glatten Wandungen der Abschnitte des Körpers wird dadurch Rechnung getragen, dass sie aus Kunststoff, und zwar insbesondere aus Polymetacrylsäuremethylester, bestehen.The need for particularly smooth walls of the sections of the body is taken into account by the fact that they consist of plastic, in particular of methyl polymethacrylic acid.

Die Drehzahlsteuerung des Motors kann wahlweise mittels eines an der im oberen Abschnitt des Körpers abschliessenden Platte befindlichen Dimmer oder mittels eines drehbar ausgeführten Handgriffes eingestellt werden. In beiden Fällen ist die Steuerung für den Patienten leicht vorzunehmen.The speed control of the motor can be adjusted either by means of a dimmer on the plate closing in the upper section of the body or by means of a rotatable handle. In both cases, control is easy for the patient.

Aus Gründen der Betriebssicherheit ist es von beträchtlichem Vorteil, wenn der Bewegungsmotor die Pedalkurbelwelle über ein Schneckengetriebe und eine Rutschkupplung antreibt, für die ein Bowdenzug betätigbar ist.For reasons of operational safety, it is of considerable advantage if the motion motor drives the pedal crankshaft via a worm gear and a slip clutch, for which a Bowden cable can be actuated.

Eine besondere Anpassung an die Bewegungsvorgänge der Beine wird noch dadurch erreicht, dass die seitlichen Wände des Körpers im Bereich der Knie des Benutzers nach innen eingewölbt sind.A special adaptation to the movement processes of the legs is achieved in that the side walls of the body in the area of the knees of the user are arched inwards.

Um die Vorrichtung mühelos an den Benutzer heranbringen und nach Gebrauch wieder von ihm weg transportieren zu können, ist das Bodengestell entlang seiner vorderen oder entlang seiner hinteren Kante mit einer Rolle derart versehen, dass diese in Kippstellung der Vorrichtung Bodenberührung haben.In order to be able to bring the device to the user effortlessly and to transport it away again after use, the base frame is provided with a roller along its front or along its rear edge in such a way that they come into contact with the floor when the device is tilted.

Erhebliche Bedeutung hat noch die Standsicherheit der Vorrichtung.The stability of the device is also of considerable importance.

Sie wird dadurch stabilisiert, dass das Bodengestell beidseitig überragende, vordere und hintere Auslegerstützen für den Bodenkontakt aufweist.It is stabilized by the floor the frame has protruding front and rear boom supports for ground contact on both sides.

Nachstehend wird die Erfindung anhand von sich auf Ausführungsbeispiele beziehende Zeichnungen näher erläutert. Darin zeigen:

  • Figur 1 eine perspektivische Darstellung der erfindungsgemässen Vorrichtung in schräger Vorderansicht,
  • Figur 2 eine perspektivische Darstellung der erfindungsgemässen Vorrichtung in schräger Hinteransicht,
  • Figur 3 eine Querschnittsdarstellung des Getriebes der neuen Vorrichtung,
  • Figur 4 eine teilweise Querschnittsdarstellung einer Pedalanordnung und
  • Figur 5 eine andere Ausführungsart der erfindungsgemässen Vorrichtung in seitlicher Ansicht.
The invention is explained in more detail below with reference to drawings relating to exemplary embodiments. In it show:
  • FIG. 1 shows a perspective view of the device according to the invention in an oblique front view,
  • FIG. 2 shows a perspective view of the device according to the invention in an oblique rear view,
  • FIG. 3 shows a cross-sectional illustration of the transmission of the new device,
  • Figure 4 is a partial cross-sectional view of a pedal assembly and
  • Figure 5 shows another embodiment of the device according to the invention in a side view.

Die Figuren 1 und 2 zeigen die aus dem unteren Abschnitt 33 des verkleidenden Körpers austretende Pedalkurbelwelle 11, an die sich zu beiden Seiten eine Kurbel 1 anschliesst. Am endseitigen Drehpunkt 8 der Kurbeln 1 sind die Pedale 4 bzw. 4' hängend angeordnet. Im Innern des verkleidenden Abschnittes 33 befindet sich weiterhin noch ein später zu beschreibender Antriebsmotor mit Kupplung und Getriebe, so dass die Pedalkurbelwelle 11 motorisch bewegbar ist. Der untere Abschnitt 33 wird mittels der zu beiden Seiten austretenden Auslegerstützen 34 fest auf dem Boden gehalten. An der vorderen Kante erkennt man eine Rolle 26, die normalerweise ohne Bodenberührung ist. Wenn jedoch die Vorrichtung nach vorne gekippt wird, erlangt die genannte Rolle 26 Bodenberührung, so dass ein leichtes Verfahren möglich ist.Figures 1 and 2 show the pedal crankshaft 11 emerging from the lower section 33 of the lining body, to which a crank 1 is connected on both sides. At the end pivot point 8 of the cranks 1, the pedals 4 and 4 'are arranged hanging. Inside the cladding section 33 there is still a drive motor to be described later with clutch and gearbox, so that the pedal crankshaft 11 can be moved by a motor. The lower section 33 is held firmly on the floor by means of the outrigger supports 34 emerging on both sides. At the front edge you can see a roller 26, which is normally without contact with the ground. However, when the device is tilted forward, said roller 26 comes into contact with the ground, so that an easy procedure is possible.

Vom Abschnitt 33 erstreckt sich ein Rohr 23 nach oben, um mit etwas Abstand vom unteren Abschnitt den oberen Abschnitt 32 des verkleidenden Körpers zu tragen. Dieser obere Abschnitt ist insbesondere so gestaltet, dass er zwischen den Knien des Patienten eine Trennung bewirkt. Die glatten Wandungen 29, mit denen dieser obere Abschnitt 32 im wesentlichen verschalt ist, lassen ein leichtes Entlanggleiten der Knie zu, so dass auch Verletzungen unterbleiben. Die Längserstreckung 30 muss also so bemessen sein, dass der Abschnitt 32 sich zwischen den Knien befindet. Von verhältnismässig geringer Ausdehnung ist die Quererstreckung 31. In Nähe der vorderen oberen Kante durchdringen die Handgriffe 6 und 6' den Abschnitt 32. Einer der Handgriffe ist drehbar und erlaubt über einen Bowdenzug die Einstellung der Drehzahl des hier nicht gezeichneten Motors. Oben ist der Abschnitt 32 von der im wesentlichen ebenen Platte 14 verschlossen, die, wie Figur 2 zeigt, noch Schalter und Anzeigegeräte tragen kann. Der Benutzer sitzt in der Regel hinter der Vorrichtung, so dass seine Hände bei ausgestreckten Armen die Handgriffe 6 und 6' umschliessen können. Die Füsse werden in die Pedale 4 so gestellt, dass die Zehen zum offenen Ende der Pedalen weisen. Der hochgezogene Rand 35 schützt die Fussränder und gegebenenfalls auch die Knöchel vor unbeabsichtigten Berührungen.A tube 23 extends upward from section 33 to support upper section 32 of the cladding body at some distance from the lower section. This upper section is particularly designed so that it causes a separation between the patient's knees. The smooth walls 29, with which this upper section 32 is essentially boarded, allow the knees to slide easily along, so that injuries are also avoided. The longitudinal extension 30 must therefore be dimensioned such that the section 32 is located between the knees. The transverse extension 31 is of relatively small extent. In the vicinity of the front upper edge, the handles 6 and 6 'penetrate the section 32. One of the handles can be rotated and allows the speed of the motor, not shown here, to be adjusted via a Bowden cable. The section 32 is closed at the top by the essentially flat plate 14, which, as FIG. 2 shows, can still carry switches and display devices. The user usually sits behind the device so that his hands can enclose the handles 6 and 6 'when the arms are extended. The feet are placed in the pedals 4 so that the toes point to the open end of the pedals. The raised edge 35 protects the foot edges and possibly also the ankles from unintentional contact.

Die bereits erwähnten, endseitigen Drehpunkte 8 der Kurbeln 1 tragen, wie Figur 4 erkennen lässt, mittels vorstehender Bolzen Radialkugellager 7, mit deren Hilfe die Pedale 4 hängend angeordnet sind. Die Pedalkurbelwelle 11, an welcher die Kurbeln 1 endseitig befestigt sind, wird gemäss Figur 3 über die Schnecke 18 und das damit im Eingriff stehende Zahnrad 19 und schliesslich die Rutschkupplung 20 angetrieben. Für die Rutschkuppelung besteht ein Bowdenzug 21, der durch das in den Figuren 1, 2 und 5 gezeigte Rohr 23 nach oben führt, so dass er von dort betätigbar ist. Wie Figur 3 weiterhin zeigt, ist die gesamte Anordnung in einem Gehäuse untergebracht, so dass Getriebe und Kuppelung einerseits nicht verschmutzen können, und dass andererseits aber auch kein Öl bzw. keine Schmierstoffe austreten können.The end pivots 8 of the cranks 1 mentioned above carry, as can be seen in FIG. 4, radial ball bearings 7 by means of the above bolts, with the aid of which the pedals 4 are arranged in a hanging manner. The pedal crankshaft 11, to which the cranks 1 are fastened at the ends, is driven according to FIG. 3 via the worm 18 and the gearwheel 19 engaged therewith and finally the slip clutch 20. For the slip clutch there is a Bowden cable 21 which leads upwards through the tube 23 shown in FIGS. 1, 2 and 5, so that it can be actuated from there. As FIG. 3 also shows, the entire arrangement is housed in a housing, so that the gear and clutch cannot get dirty on the one hand and that on the other hand no oil or lubricants can escape.

Die weitere Ausgestaltungsform der Erfindung gemäss den Figuren 5 und 6 zeigen, wie das oben verlaufende Rohr 23 mit Stützen 24 ein Bodengestell ausbildet. Ferner zeigt Figur 5 die Lage des Motors 3, der an das Tretlager 2 angeschlossen ist und dessen Abtrieb von der bereits erwähnten Schnecke 18 gebildet ist. Für das Bodengestell besteht die Grundfläche 13, von welcher sich die Verkleidung 5 schräg nach oben verlaufend erstreckt.The further embodiment of the invention according to FIGS. 5 and 6 show how the tube 23 running above with supports 24 forms a base frame. 5 shows the position of the motor 3, which is connected to the bottom bracket 2 and whose output is formed by the worm 18 already mentioned. For the base frame there is the base area 13, from which the cladding 5 extends obliquely upwards.

Bei dieser Ausführungsform wird zur Verbesserung der Standfestigkeit das Bodengestell im Bereich seiner Grundfläche 13 mit einer Standplatte 27 ausgebildet. An deren hinterer Kante erkennt man gemäss Figur 5 eine Rolle 26, mittels welcher die Vorrichtung in Kipplage verfahrbar ist.In this embodiment, in order to improve the stability, the base frame is formed with a base plate 27 in the area of its base area 13. According to FIG. 5, a roller 26 can be seen on the rear edge thereof, by means of which the device can be moved in a tilted position.

Claims (9)

1. A passive leg-exercise apparatus comprising a pedal bearing means (2) supported on a floor stand, a pedal crank (1) mounted of each outer end of said bearing means (2) being driven by a drive motor (3) and being provided with pedals (4), a handle bar being provided with hand grips (6,6') up to which said handle bar is covered with panels (29), disposed substantially in vertical planes and with a body section extending longitudinal in a horizontal plane the length (30) of which being substantially greater than its transverse extension (31), wherein the hand grips (6, 6') are disposed above said bearing means (2), characterized by the body being provided as an independant upper element (32) capable for separating the users' knees and spaced from a lower element (33) to which it is connected by a tubular support (23) extending from sais floor stand, the body having an upper closure in form of a plane top-plate (14) accomodating hand switches for the drive motor (3), and being inclined towards the user by the tubular support (23) which is inclined towards the user itself, and the pedals (4, 4') being in the form of feet plates with raised peripheral edge portions (35), and being mounted hanging on each outer end of said pedal crank (1) so that the pivot axis (8) of each pedal (4,4') is always above the pedal (4,4') in use.
2. An apparatus as claimed in claim 1, characterized by the elements (32, 33) being made of plastic.
3. An apparatus as claimed in the claims 1 and 2, characterized by the elements (32, 33) being made of polymethylmetacrylate ester.
4. An apparatus as claimed in the claims 1 to 3, wherein the drive motor (3) is capable being driven with a variable speed, characterized by the drive motor (3) being controlled by means of a dimmer situated on the top plate (14).
5. An apparatus as claimed in claim 4, characterized by the drive motor (3) being controlled by a rotable hand grip (6').
6. An apparatus as climed in the claims 1 to 5, characterized by the drive motor (3) driving the pedal crank (11) by a worm gear via an overrunning clutch (20) operable by a Bowden wire (21).
7. An apparatus as claimed in the claims 1 to 6, characterized by the smooth panels (29) being convexed inwardly in the region of the users' knees.
8. An apparatus as claimed in the claims 1 to 7, characterized by the floor stand being provided along one of its edges with rollers (26) so that upon tilting of the apparatus said rollers (26) contact the floor.
9. An apparatus as claimed in the claims 1 to 8, characterized by the floor stand being provided on both sides with a frontal and a rear outtrigger struts (34) for contacting the floor in use.
EP82105086A 1981-06-12 1982-06-10 Apparatus for a passive movement of the legs Expired EP0068215B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT82105086T ATE16354T1 (en) 1981-06-12 1982-06-10 DEVICE FOR PASSIVE LEG MOVEMENT.
JP58101858A JPS592739A (en) 1982-06-10 1983-06-09 Apparatus for moving leg
AU15707/83A AU1570783A (en) 1982-06-10 1983-06-10 Passive leg-exercising apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813123377 DE3123377A1 (en) 1981-06-12 1981-06-12 DEVICE FOR ACTIVE AND / OR PASSIVE LEG MOVEMENT
DE3123377 1981-06-12

Publications (2)

Publication Number Publication Date
EP0068215A1 EP0068215A1 (en) 1983-01-05
EP0068215B1 true EP0068215B1 (en) 1985-11-06

Family

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EP82105086A Expired EP0068215B1 (en) 1981-06-12 1982-06-10 Apparatus for a passive movement of the legs

Country Status (7)

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US (1) US4587960A (en)
EP (1) EP0068215B1 (en)
AT (1) ATE16354T1 (en)
CA (1) CA1202221A (en)
DE (2) DE3123377A1 (en)
DK (1) DK265382A (en)
NO (1) NO159345C (en)

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Also Published As

Publication number Publication date
DE3267262D1 (en) 1985-12-12
NO821964L (en) 1983-12-13
DK265382A (en) 1982-12-13
NO159345C (en) 1988-12-21
NO159345B (en) 1988-09-12
CA1202221A (en) 1986-03-25
DE3123377A1 (en) 1983-01-05
ATE16354T1 (en) 1985-11-15
US4587960A (en) 1986-05-13
EP0068215A1 (en) 1983-01-05

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