EP0466967B1 - Undercarriage for a treatment table - Google Patents

Undercarriage for a treatment table Download PDF

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Publication number
EP0466967B1
EP0466967B1 EP90113964A EP90113964A EP0466967B1 EP 0466967 B1 EP0466967 B1 EP 0466967B1 EP 90113964 A EP90113964 A EP 90113964A EP 90113964 A EP90113964 A EP 90113964A EP 0466967 B1 EP0466967 B1 EP 0466967B1
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EP
European Patent Office
Prior art keywords
rollers
pair
base plate
chassis frame
supported
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 - Lifetime
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EP90113964A
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German (de)
French (fr)
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EP0466967A1 (en
Inventor
Herbert Brustmann
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BRUMABA U Brustmann
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BRUMABA U Brustmann
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Publication date
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Priority to AT90113964T priority Critical patent/ATE122557T1/en
Priority to EP90113964A priority patent/EP0466967B1/en
Priority to DE59009102T priority patent/DE59009102D1/en
Publication of EP0466967A1 publication Critical patent/EP0466967A1/en
Application granted granted Critical
Publication of EP0466967B1 publication Critical patent/EP0466967B1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • A61G13/104Adaptations for table mobility, e.g. arrangement of wheels

Definitions

  • the invention relates to a chassis for a treatment table with a base plate mounted on castors, according to the preamble of claim 1.
  • the preamble of claim 1 is based on GB-A-117 178.
  • a chassis is known for example from German Offenlegungsschrift 26 39 205.
  • the conventional chassis it is difficult to move the treatment table exactly on the one hand and on the other hand to move the treatment table in a tight curve without any problems.
  • obstacles for example thresholds.
  • this is only possible with effort or jerky movements and frequent back and forth maneuvering.
  • the object of the invention is therefore to provide a chassis of the type mentioned, by which a perfect and accurate movement of the treatment table is achieved even in tight spaces without great effort.
  • the invention is characterized in that three pairs of castors are provided on the base plate, the axes of which are rigidly aligned on the base plate perpendicular to the direction of travel.
  • An uncontrolled change in the direction of travel by, for example, a travel axis pivotable about a vertical pivot axis is not present in the invention.
  • a "clacking" of the casters is avoided in the invention. In this way, a precise travel, in particular straight-ahead travel, is achieved if the base plate is supported on the ground at one end by the first pair of castors and at its other end by the second pair of castors.
  • the base plate When the axle of the second pair of castors is raised, the base plate lies on the ground at this end. Brake pads in the form of rubber buffers or the like are preferably provided on the underside of the base plate, so that a non-slip positioning of the base plate and the treatment table is achieved during the treatment or immobilization of a patient.
  • the third pair of castors is assigned a support device which has a height adjustment device which can be adjusted to different heights. It can thus be achieved that below the center of gravity of the treatment table or within a close range below this center of gravity the base plate and thus the treatment table can be supported beyond the support height guaranteed by the first and second pairs of castors.
  • the third pair of casters ensures that steps and steps that lie in the travel path, for example when moving from an elevator to the hallway, raise the first or second pair of rollers above this step or this paragraph by tilting around the axis of the third pair of casters and then put back on the floor.
  • the base plate or the treatment table can be supported on at least two pairs of rollers and, if necessary, since the height adjustment device can be changed for the third pair of rollers, on the three pairs of rollers. In this way, step-like obstacles and thresholds can be “swam over”. Obstacles in the route, e.g. Wells, holes and the like in the area of a pair of rollers can be overcome by supporting the other two pairs of rollers.
  • the pairs of castors are preferably designed as precision rollers which only run straight.
  • No swivel castors are used for the pairs of castors, as is common in known chassis.
  • the running surfaces of the castors can therefore be made quite wide, so that digging into the ground is avoided and a high level of force is not required when pushing. Preference is given to smooth-running castors.
  • thresholds or steps in particular can be overcome smoothly (floating).
  • a swiveling of the treatment table on the spot ie around a vertical axis, by any swivel angle possible.
  • the chassis according to the invention it is possible to design the treatment table as an operating table.
  • the patient can be prepared for the operation on the treatment table designed in this way outside the operating room and can also be put under anesthesia.
  • the patient is then moved to the operating room on the treatment table and pushed into the recovery room after the operation is completed.
  • This comfortable and versatile application is made possible by the chassis according to the invention. Due to its high maneuverability and accuracy in combination with vibration-free climbing steps and thresholds, comfortable transportation is guaranteed.
  • a base plate 3 is provided.
  • a first pair of rollers 4, 4 is provided at the front end of the base plate 3.
  • This first pair of rollers has a travel axis 17 rigidly arranged on the base plate.
  • This travel axis 17 is rigidly aligned with respect to the longitudinal extent of the base plate 3 or the direction of the talk (double arrow F in FIG. 1).
  • the two rollers of the pair of rollers are located on both sides of the base plate 3.
  • the base plate 3 At the other end of the base plate 3, ie in the exemplary embodiment at the rear end, there is a second pair of castors 5, 5 on both sides of the base plate 3 (see also FIG. 4).
  • This second pair of castors 5, 5 has a driving axle 18 which can be fixed in two height positions with the aid of an eccentric 15. 6, the second pair of castors 5, 5 is raised.
  • the base plate 3 then lies with the rear end on the floor.
  • two braking pads 22 and 23 (Fig. 4) are provided.
  • the treatment couch 7, which consists of several couch segments, is supported on the base plate 3 via a support column 8.
  • the length of the support column 8 can be adjusted by means of a hydraulic column length adjustment device 14.
  • the treatment couch 7 can be designed and height-adjustable, as shown in German Patent 30 16 387.
  • the treatment couch 7 can still be pivoted about a horizontal axis or about its longitudinal axis, as described, for example, in European patent application 89 112 281.4.
  • the driving axis 18 is pivoted at an angle a beyond the vertical V going through the eccentric axis 20. This ensures that the driving axis 18 is brought into a stable driving position beyond a dead center position, which is located in the vertical V.
  • This stable driving position of the compartment axle 18 of the second pair of rollers 5.5 is further supported by the fact that the actuating lever 16 rests on the top of the base plate 3 and is supported there.
  • the driving axis 18 is in the raised position offset by the angle a with respect to the vertical V passing through the eccentric axis 20
  • Eccentric axis 20 is pivoted in the adjustment in the two positions is 180 °.
  • the base plate 3 is thus only on the two pairs of castors 4, 4 and 5, 5 Ground supported.
  • the third pair of castors 6, 6 is articulated via a support device 9 on the base plate 3 so as to be pivotable about an axis of rotation 13.
  • the support device 9 includes a height adjustment device, which essentially consists of a two-sided lever with the two lever arms 10 and 11.
  • the two-sided lever is mounted on the base plate 3 about the axis of rotation 13.
  • At the front free end of the one lever arm 10 there is the third pair of castors 19 on both sides of the base plate 3.
  • the two-sided lever is also provided on both sides on the base plate 3 with the two rollers of the pair of rollers 6, 6 on the base plate 3.
  • the other lever arm 11 of the two-sided lever is connected to an engagement part 12.
  • This engagement part 12 can be operated by hand or can be brought into engagement with a vertical guide 24 of the length-adjustable support column 8, as is shown in FIGS. 2 and 3. If the height of the treatment table 2 or the length of the support column 8 is increased, the engagement part 12 is pulled upwards.
  • the two-sided lever (lever arms 10 and 11) is pivoted about the axis of rotation 13.
  • the pair of castors 6, 6 is then brought into the lower position (FIG. 3).
  • the base plate 3 can be raised in the region of the third pair of castors 6, 6 above the height shown in FIG.
  • the base plate 3 and thus the treatment table 2 can then only be supported on the floor via the third pair of castors 6, 6.
  • the treatment table 2 can then be pivoted by any angle on the two rollers of the third pair of castors 6, 6 and brought into any new straight direction of extension.
  • step 25 in FIG. 3 it is not difficult to overcome this obstacle with the chassis according to the invention.
  • the third pair of castors 6, 6 one of the two pairs of castors 4, 4 or 5, 5 can then be brought to such an altitude that it is raised above step 25.
  • the second pair of castors 5.5 is raised above level 25.
  • the pair of rollers 5.5 can then be placed on the surface of the stage 25. This is done in that the pair of castors 6, 6 is pivoted about the axis of rotation 13 by actuating the column length adjustment device 14, so that the base plate 3 is lowered.
  • the treatment table 2 can then in turn be easily transported in a straight line.
  • the pair of castors 6, 6 can have a larger diameter than the other two pairs of casters 4, 4 and 5.5, it is not difficult to push the third pair of casters 6, 6 onto step 25. In this way, a quasi “floating" overcoming step-shaped obstacles can be achieved.
  • the column length adjustment device 14 can be hydraulically adjusted, as is known, for example, from German patent 30 16 387. In this way, the third pair of castors 6, 6 can be continuously adjusted. A stepless height adjustment of the base plate 3 is thus achieved in the area of the pivot axis 13, which is located within an area below the center of gravity of the treatment table 2. The two-sided lever arm becomes dependent on the engagement part 12 from the column length adjustment with raised or lowered. This movement is transferred to the third pair of castors 6, 6.

Abstract

An undercarriage (1) for a treatment table (2), in particular an operating table, in which a base plate (3) is provided with three pairs of drive rollers (4,4;5,5;6,6). The base plate (3) can in this case be supported either on one, two or three pairs or drive rollers (4,4;5,5;6,6). In this way it is possible to achieve a perfect straight movement or else a pivoting of the treatment table (2) at any desired pivoting angles. <IMAGE>

Description

Die Erfindung betrifft ein Fahrgestell für einen Behandlungstisch mit einer auf Fahrrollen gelagerten Bodenplatte, gemäß der Oberbegriff des Anspruchs 1. Der Oberbegriff des Anspruchs 1 geht von der GB-A-117 178 aus.The invention relates to a chassis for a treatment table with a base plate mounted on castors, according to the preamble of claim 1. The preamble of claim 1 is based on GB-A-117 178.

Ein Fahrgestell ist beispielsweise aus der deutschen Offenlegungsschrift 26 39 205 bekannt. Mit den herkömmlichen Fahrgestellen ist es schwierig, den Behandlungstisch einerseits in einer exakten Geradeausfahrt fortzubewegen und andererseits den Behandlungstisch problemlos in einer engen Kurve zu bewegen. Vor allem in Krankenhausstationen ist es erforderlich, einen Behandlungstisch beim Transport eines Patienten exakt geradeaus zu fahren und ihn um enge Kurven in den Gängen und beim Fahren in Aufzüge lenken zu können. Ferner ist es erforderlich, Hindernisse, beispielsweise Schwellen, leicht überwinden zu können. Bei den herkömmlichen Fahrwerken ist dies nur mit Kraftaufwand oder ruckartigen Bewegungen und häufigem Hin- und Herrangieren möglich.A chassis is known for example from German Offenlegungsschrift 26 39 205. With the conventional chassis, it is difficult to move the treatment table exactly on the one hand and on the other hand to move the treatment table in a tight curve without any problems. Especially in hospital wards, it is necessary to drive a treatment table exactly straight when transporting a patient and to be able to steer it around tight curves in the corridors and when driving in elevators. Furthermore, it is necessary to be able to easily overcome obstacles, for example thresholds. With conventional chassis, this is only possible with effort or jerky movements and frequent back and forth maneuvering.

Aufgabe der Erfindung ist es daher, ein Fahrgestell der eingangs genannten Art zu schaffen, durch das eine einwandfreie und zielgenaue Bewegung des Behandlungstisches auch in engen Räumen ohne hohen Kraftaufwand erreicht wird.The object of the invention is therefore to provide a chassis of the type mentioned, by which a perfect and accurate movement of the treatment table is achieved even in tight spaces without great effort.

Diese Aufgabe wird erfindungsgemäß durch den Gegenstand des Anspruchs 1 gelöst, wobei in den Unteransprüchen vorteilhafte Weiterbildungen der Erfindung gekennzeichnet sind.According to the invention, this object is achieved by the subject matter of claim 1, advantageous developments of the invention being characterized in the subclaims.

Die Erfindung zeichnet sich dadurch aus, daß an der Bodenplatte drei Fahrrollenpaare vorgesehen sind, deren Fahrachsen an der Bodenplatte senkrecht zur Fahrrichtung starr ausgerichtet sind. Ein unkontrolliertes Verändern der Fahrrichtung durch beispielsweise um eine senkrechte Schwenkachse schwenkbare Fahrachse ist bei der Erfindung nicht vorhanden. Ein "Schlackern" der Fahrrollen ist bei der Erfindung vermieden. Es wird hierdurch eine zielgenaue Fahrt, insbesondere Geradeausfahrt, erreicht, wenn die Bodenplatte an ihrem einen Ende durch das erste Fahrrollenpaar und an ihrem anderen Ende durch das zweite Fahrrollenpaar am Boden abgestützt ist.The invention is characterized in that three pairs of castors are provided on the base plate, the axes of which are rigidly aligned on the base plate perpendicular to the direction of travel. An uncontrolled change in the direction of travel by, for example, a travel axis pivotable about a vertical pivot axis is not present in the invention. A "clacking" of the casters is avoided in the invention. In this way, a precise travel, in particular straight-ahead travel, is achieved if the base plate is supported on the ground at one end by the first pair of castors and at its other end by the second pair of castors.

Wenn die Achse des zweiten Fahrrollenpaares angehoben ist, liegt die Bodenplatte an diesem Ende am Boden auf. Bevorzugt sind an der Unterseite der Bodenplatte bremsende Beläge in Form von Gummipuffern oder dergl. vorgesehen, so daß eine rutschfreie Positionierung der Bodenplatte und des Behandlungstisches während der Behandlung oder Ruhigstellung eines Patienten erreicht wird.When the axle of the second pair of castors is raised, the base plate lies on the ground at this end. Brake pads in the form of rubber buffers or the like are preferably provided on the underside of the base plate, so that a non-slip positioning of the base plate and the treatment table is achieved during the treatment or immobilization of a patient.

Dem dritten Fahrrollenpaar ist eine Abstützeinrichtung, die eine in verschiedene Höhenlagen einstellbare Höhenverstelleinrichtung aufweist, zugeordnet. Damit läßt sich erreichen, daß unterhalb des Schwerpunktes des Behandlungstisches bzw. innerhalb eines Nahbereiches unterhalb dieses Schwerpunktes die Bodenplatte und damit der Behandlungstisch über die durch die ersten und zweiten Fahrrollenpaare gewährleistete Abstützhöhe hinaus abgestützt werden kann.The third pair of castors is assigned a support device which has a height adjustment device which can be adjusted to different heights. It can thus be achieved that below the center of gravity of the treatment table or within a close range below this center of gravity the base plate and thus the treatment table can be supported beyond the support height guaranteed by the first and second pairs of castors.

Hierdurch wird gewährleistet, daß die Bodenplatte und damit der Behandlungstisch sich nur auf dem dritten Fahrrollenpaar am Boden sich abstützen lassen. Hierdurch erreicht man ein einfaches Verschwenken um beliebige Schwenkwinkel, so daß man auch enge Kurven bei geringem Platzbedarf fahren kann.This ensures that the base plate and thus the treatment table can only be supported on the third pair of castors on the floor. In this way, you can easily swivel through any swivel angle, so that you can drive tight corners with a small footprint.

Darüberhinaus wird durch das dritte Fahrrollenpaar gewahrleistet, daß Stufen und Absätze, die im Fahrweg liegen, beispielsweise beim Übergang aus einem Fahrstuhl auf den Flurboden, das erste oder zweite Rollenpaar über diese Stufe bzw. diesen Absatz durch Kippen um die Achse des dritten Fahrrollenpaares angehoben und dann wieder auf den Boden aufgesetzt wird. Bei der Überwindung der Stufe kann die Bodenplatte bzw. der Behandlungstisch mindestens auf zwei Rollenpaaren und gegebenenfalls, da die Höhenverstelleinrichtung für das dritte Fahrrollenpaar veränderbar ist, auf den drei Rollenpaaren abgestützt werden. Auf diese Weise lassen sich stufenförmige Hindernisse und Schwellen quasi "überschwimmen". Auch können Hindernisse im Fahrweg, z.B. Vertiefungen, Löcher und dergleichen im Bereich eines Rollenpaares dadurch überwunden werden, daß die Abstützung über die beiden anderen Rollenpaare erfolgt.In addition, the third pair of casters ensures that steps and steps that lie in the travel path, for example when moving from an elevator to the hallway, raise the first or second pair of rollers above this step or this paragraph by tilting around the axis of the third pair of casters and then put back on the floor. When overcoming the step, the base plate or the treatment table can be supported on at least two pairs of rollers and, if necessary, since the height adjustment device can be changed for the third pair of rollers, on the three pairs of rollers. In this way, step-like obstacles and thresholds can be “swam over”. Obstacles in the route, e.g. Wells, holes and the like in the area of a pair of rollers can be overcome by supporting the other two pairs of rollers.

Die Fahrrollenpaare sind bevorzugt als nur geradeaus laufende Präzisionsrollen ausgebildet. Für die Fahrrollenpaare kommen keine Lenkrollen, wie das bei bekannten Fahrgestellen üblich ist, zum Einsatz. Die Laufflächen der Fahrrollen können daher ziemlich breit ausgebildet sein, so daß ein Eingraben in den Untergrund vermieden wird und ein hoher Kraftaufwand beim Schieben nicht erforderlich ist. Bevorzugt handelt sich um leichtgängige Fahrrollen. Insbesondere Schwellen oder Stufen können, wie schon erläutert, ruckfrei (schwimmend) überwunden werden. Außerdem ist, wie schon erläutert, ein Verschwenken des Behandlungstisches auf der Stelle, d.h. um eine vertikale Achse, um beliebige Schwenkwinkel möglich.The pairs of castors are preferably designed as precision rollers which only run straight. No swivel castors are used for the pairs of castors, as is common in known chassis. The running surfaces of the castors can therefore be made quite wide, so that digging into the ground is avoided and a high level of force is not required when pushing. Preference is given to smooth-running castors. As already explained, thresholds or steps in particular can be overcome smoothly (floating). In addition, as already explained, a swiveling of the treatment table on the spot, ie around a vertical axis, by any swivel angle possible.

Aufgrund des erfindungsgemäßen Fahrgestells ist es möglich, den Behandlungstisch als Operationstisch auszubilden. Der Patient kann auf dem so ausgebildeten Behandlungstisch außerhalb des Operationsraumes für die Operation vorbereitet werden und auch in Narkose versetzt werden. Der Patient wird dann auf dem Behandlungstisch in den Operationsraum gefahren und nach Abschluß der Operation in den Aufwachraum geschoben. Diese komfortable und vielseitige Einsatzmöglichkeit wird durch das erfindungsgemäße Fahrgstell ermöglicht. Aufgrund seiner hohen Wendigkeit und Zielgenauigkeit in Verbindung mit erschütterungsfreiem Überwinden von Stufen und Schwellen wird ein komfortabler Transport gewährleistet.Because of the chassis according to the invention, it is possible to design the treatment table as an operating table. The patient can be prepared for the operation on the treatment table designed in this way outside the operating room and can also be put under anesthesia. The patient is then moved to the operating room on the treatment table and pushed into the recovery room after the operation is completed. This comfortable and versatile application is made possible by the chassis according to the invention. Due to its high maneuverability and accuracy in combination with vibration-free climbing steps and thresholds, comfortable transportation is guaranteed.

Anhand der Figuren wird an einem Ausführungsbeispiel die Erfindung noch näher erläutert. Es zeigt:

Fig. 1
eine Gesamtansicht eines Behandlungstisches, bei welchem ein Ausführungsbeispiel der Erfindung zur Anwendung kommt, in Seitenansicht;
Fig. 2
ein in der Fig. 1 dargestelltes Ausführungsbeispiel eines erfindungsgemäßen Fahrgestells in einer Einstellung für Geradeausfahrt;
Fig. 3
das in den Fig. 1 und 2 dargestellte Ausführungsbeispiel eines erfindungsgemäßen Fahrgestells in einer Einstellung für den Schwenkbetrieb oder zum Überwinden von Stufen;
Fig. 4
in perspektivischer Darstellung eine Teilansicht des Ausführungsbeispiels der Fig. 1 bis 3 zur Erläuterung der Funktion eines zweiten Fahrrollenpaares;
Fig. 5
eine Seitenansicht des in Fig. 4 dargestellten Fahrrollenpaares beim Ausführungsbeispiel der Erfindung in einer Bremsstellung; und
Fig. 6
das in den Fig. 4 und 5 dargestellte zweite Fahrrollenpaar des Ausführungsbeispiels der Erfindung in einer angehobenen Position.
Based on the figures, the invention is explained in more detail using an exemplary embodiment. It shows:
Fig. 1
an overall view of a treatment table, in which an embodiment of the invention is used, in side view;
Fig. 2
an embodiment of a chassis according to the invention shown in Figure 1 in a setting for straight travel;
Fig. 3
the embodiment shown in Figures 1 and 2 of a chassis according to the invention in a setting for the pivoting operation or to overcome steps;
Fig. 4
a perspective view of a partial view of the embodiment of Figures 1 to 3 to explain the function of a second pair of castors.
Fig. 5
a side view of the pair of castors shown in Figure 4 in the embodiment of the invention in a braking position. and
Fig. 6
the second pair of castors of the embodiment of the invention shown in FIGS. 4 and 5 in a raised position.

Bei einem in den Figuren dargestellten Ausführungsbeispiel eines erfindungsgemäßen Fahrgestells 1 für einen Behandlungstisch 2 ist eine Bodenplatte 3 vorgesehen. Am vorderen Ende der Bodenplatte 3 ist ein erstes Rollenpaar 4,4 vorgesehen. Dieses erste Rollenpaar besitzt eine an der Bodenplatte starr angeordnete Fahrachse 17. Diese Fahrachse 17 ist bezüglich der Längsausdehnung der Bodenplatte 3 bzw. der Geredeausfahrrichtung (Doppelpfeil F in Fig. 1) starr ausgerichtet. Die beiden Fahrrollen des Rollenpaares befinden sich an beiden Seiten der Bodenplatte 3.In an embodiment of a chassis 1 according to the invention for a treatment table 2 shown in the figures, a base plate 3 is provided. A first pair of rollers 4, 4 is provided at the front end of the base plate 3. This first pair of rollers has a travel axis 17 rigidly arranged on the base plate. This travel axis 17 is rigidly aligned with respect to the longitudinal extent of the base plate 3 or the direction of the talk (double arrow F in FIG. 1). The two rollers of the pair of rollers are located on both sides of the base plate 3.

Am anderen Ende der Bodenplatte 3, d.h. beim Ausführungsbeispiel am rückwärtigen Ende, befindet sich zu beiden Seiten der Bodenplatte 3 ein zweites Fahrrollenpaar 5,5 (s. auch Fig. 4). Dieses zweite Fahrrollenpaar 5,5 besitzt eine Fahrachse 18, die mit Hilfe eines Exzenters 15 in zwei Höhenlagen fixierbar ist. In der in der Fig. 6 dargestellten oberen Höhenlage der Fahrachse 18 ist das zweite Fahrrollenpaar 5,5 angehoben. Die Bodenplatte 3 liegt dann mit dem rückwärtigen Ende am Boden auf. Um ein rutschfestes Aufliegen zu gewährleisten, sind zwei bremsende Beläge 22 und 23 (Fig. 4) vorgesehen.At the other end of the base plate 3, ie in the exemplary embodiment at the rear end, there is a second pair of castors 5, 5 on both sides of the base plate 3 (see also FIG. 4). This second pair of castors 5, 5 has a driving axle 18 which can be fixed in two height positions with the aid of an eccentric 15. 6, the second pair of castors 5, 5 is raised. The base plate 3 then lies with the rear end on the floor. To a To ensure non-slip contact, two braking pads 22 and 23 (Fig. 4) are provided.

In der in der Fig. 6 dargestellten Positionierung des zweiten Fahrrollenpaares 5,5 ist ein mit dem Exzenter 15 starr verbundener Betätigungshebel 16 heruntergeklappt. Diese Position ist auch in der Fig. 1 gezeigt. In dieser Position des zweiten Fahrrollenpaares 5,5, d.h. in seiner angehobenen Stellung, ist die Bodenplatte 3 und damit der Behandlungstisch 2 fest am Boden gelagert, so daß ein Patient, welcher auf einer Behandlungsliege 7 des Behandlungstisches 2 liegt, behandelt werden kann.In the positioning of the second pair of rollers 5.5 shown in FIG. 6, an actuating lever 16 rigidly connected to the eccentric 15 is folded down. This position is also shown in FIG. 1. In this position of the second pair of castors 5.5, i.e. in its raised position, the base plate 3 and thus the treatment table 2 are mounted firmly on the floor, so that a patient lying on a treatment couch 7 of the treatment table 2 can be treated.

Wie insbesondere die Fig. 1 noch zeigt, ist die Behandlungsliege 7, die aus mehreren Liegensegmenten besteht, über eine Tragsäule 8 an der Bodenplatte 3 abgestützt. Die Tragsäule 8 ist mittels einer hydraulich arbeitenden Säulenlängenverstelleinrichtung 14 in ihrer Länge verstellbar. Hierdurch lassen sich verschiedene Höheneinstellungen der Behandlungsliege 7 erreichen. Beispielsweise kann die Behandlungsliege 7 in der Weise ausgebildet sein und höhenverstellbar sein, wie es in der deutschen Patentschrift 30 16 387 gezeigt ist. Ferner kann die Behandlungsliege 7 noch um eine horizontale Achse bzw. um ihre Längsachse verschwenkbar sein, wie es beispielsweise in der europäischen Patentanmeldung 89 112 281.4 beschrieben ist.As is shown in particular in FIG. 1, the treatment couch 7, which consists of several couch segments, is supported on the base plate 3 via a support column 8. The length of the support column 8 can be adjusted by means of a hydraulic column length adjustment device 14. In this way, different height settings of the treatment couch 7 can be achieved. For example, the treatment couch 7 can be designed and height-adjustable, as shown in German Patent 30 16 387. Furthermore, the treatment couch 7 can still be pivoted about a horizontal axis or about its longitudinal axis, as described, for example, in European patent application 89 112 281.4.

Beim Verschwenken des Betätigungshebels 16 und des Exzenters 15 um eine Exzenterachse 20 um 180° wird die Fahrachse 18 des zweiten Fahrrollenpaares 5,5 in eine untere Position (Fig. 2 bis 5) gebracht. In dieser Position ist das rückwärtige Ende der Bodenplatte 3 über das zweite Fahrrollenpaar 5,5 am Boden abgestützt. Wie die Fig. 4 und 5 zeigen, liegt der Betätigungshebel 16 auf der Bodenplatte 3 auf. Die Fahrachse 18 des zweiten Fahrrollenpaares 5,5 ist aus der in der Fig. 6 dargestellten oberen Position in eine in der Fig. 5 gezeigte untere Position geschwenkt. Dabei wird die Fahrachse 18 über eine durch die Exzenterachse 20 hindurchgehende Vertikale V hinaus verschwenkt, so daß die Fahrachse 18 schräg unterhalb der Exzenterachse 20 zu liegen kommt. In der Fig. 5 ist die Fahrachse 18 mit einem Winkel a über die durch die Exzenterachse 20 gehende Vertikale V hinaus verschwenkt. Hierdurch wird erreicht, daß die Fahrachse 18 über eine Totpunktlage, welche sich in der Vertikalen V befindet, hinaus in eine stabile Fahrposition gebracht wird. Diese stabile Fahrposition der Fachachse 18 des zweiten Fahrrollenpaares 5,5 wird noch dadurch unterstützt, daß der Betätigungshebel 16 auf der Oberseite der Bodenplatte 3 aufliegt und dort abgestützt ist. Wie in der Fig. 6 gezeigt ist, befindet sich die Fahrachse 18 in der angehobenen Positionierung um den Winkel a versetzt gegenüber der durch die Exzenterachse 20 gehenden Vertikalen V. Der Schwenkwinkel, um welchen die Fahrachse 18 und damit das Fahrrollenpaar 5,5 um die Exzenterachse 20 bei der Verstellung in die beiden Positionen geschwenkt wird, beträgt 180°.When pivoting the actuating lever 16 and the eccentric 15 about an eccentric axis 20 by 180 °, the driving axis 18 of the second pair of rollers 5.5 is brought into a lower position (FIGS. 2 to 5). In this position, the rear end of the base plate 3 is supported on the ground by the second pair of castors 5.5. Like the Fig. 4 and 5 show, the operating lever 16 rests on the base plate 3. The travel axis 18 of the second pair of castors 5, 5 is pivoted from the upper position shown in FIG. 6 into a lower position shown in FIG. 5. The travel axis 18 is pivoted beyond a vertical V passing through the eccentric axis 20, so that the travel axis 18 comes to lie obliquely below the eccentric axis 20. 5, the driving axis 18 is pivoted at an angle a beyond the vertical V going through the eccentric axis 20. This ensures that the driving axis 18 is brought into a stable driving position beyond a dead center position, which is located in the vertical V. This stable driving position of the compartment axle 18 of the second pair of rollers 5.5 is further supported by the fact that the actuating lever 16 rests on the top of the base plate 3 and is supported there. As shown in FIG. 6, the driving axis 18 is in the raised position offset by the angle a with respect to the vertical V passing through the eccentric axis 20 Eccentric axis 20 is pivoted in the adjustment in the two positions is 180 °.

Wie insbesondere aus der Fig. 2 ersichtlich ist, wird beim Abstützen auch des hinteren Endes der Bodenplatte 3 über das Fahrrollenpaar 5,5 die gesamte Bodenplatte 3 vom Boden abgehoben. Die Bodenplatte 3 und damit der Behandlungstisch 2 können dann in exakter Geradeausfahrt in Richtung des Doppelpfeiles F vorwärts und rückwärts verschoben werden. Da sowohl die Fahrachse 17 als auch die Fahrachse 18 starr senkrecht zur Fahrrichtung F an der Bodenplatte 3 ausgerichtet sind, erreicht man eine exakte Geradeausfahrt beim Transport des Behandlungstisches 2.As can be seen in particular from FIG. 2, when the rear end of the base plate 3 is also supported, the entire base plate 3 is lifted off the ground via the pair of castors 5.5. The base plate 3 and thus the treatment table 2 can then be moved forward and backward in an exact straight line in the direction of the double arrow F. Since both the travel axis 17 and the travel axis 18 are oriented rigidly perpendicular to the direction of travel F on the base plate 3, an exact straight travel is achieved when the treatment table 2 is being transported.

Bei der Geradeausfahrt des Behandlungstisches, welche in der Fig. 2 dargestellt ist, besfindet sich ein drittes Fahrrollenpaar 6,6 in einer oberen Position an der Bodenplatte 3. Die Bodenplatte 3 ist somit nur über die beiden Fahrrollenpaare 4,4 und 5,5 am Boden abgestützt. Das dritte Fahrrollenpaar 6,6 ist über eine Abstützeinrichtung 9 schwenkbar an der Bodenplatte 3 um eine Drehachse 13 angelenkt. Die Abstützeinrichtung 9 beinhaltet eine Höhenverstelleinrichtung, welche im wesentlichen aus einem zweiseitigen Hebel mit den beiden Hebelarmen 10 und 11 besteht. Der zweiseitige Hebel ist um die Drehachse 13 an der Bodenplatte 3 gelagert. Am vorderen freien Ende des einen Hebelarms 10 befindet sich das dritte Fahrrollenpaar 19 zu beiden Seiten der Bodenplatte 3. Der zweiseitige Hebel ist ebenfalls beidseitig an der Bodenplatte 3 mit den beiden Rollen des Rollenpaares 6,6 an der Bodenplatte 3 vorgesehen. Der andere Hebelarm 11 des zweiseitigen Hebels ist mit einem Eingriffsteil 12 verbunden. Dieser Eingriffsteil 12 kann von Hand betätigt werden oder mit einer Vertikalführung 24 der längenverstellbaren Tragsäule 8 in Eingriff gebracht werden, wie das in den Fig. 2 und 3 dargestellt ist. Wenn die Höhe des Behandlungstisches 2 bzw. die Länge der Tragsäule 8 vergrößert wird, wird der Eingriffsteil 12 nach oben gezogen. Dabei wird der zweiseitige Hebel (Hebelarme 10 und 11) um die Drehachse 13 verschwenkt. Das Fahrrollenpaar 6,6 wird dann in die untere Position (Fig. 3) gebracht. Die Bodenplatte 3 kann im Bereich des dritten Fahrrollenpaares 6,6 über die in der Fig. 2 dargestellte Höhe für die Geradeausfahrt hinaus angehoben werden. Die Bodenplatte 3 und damit der Behandlungstisch 2 lassen sich dann nur über das dritte Fahrrollenpaar 6,6 am Boden abstützen. Der Behandlungstisch 2 läßt sich dann um jeden beliebigen Winkel auf den beiden Rollen des dritten Fahrrollenpaares 6,6 verschwenken und in jede beliebige neue Gerade ausfahrtrichtung bringen.When driving the treatment table straight ahead, which is shown in FIG. 2, there is a third pair of castors 6, 6 in an upper position on the base plate 3. The base plate 3 is thus only on the two pairs of castors 4, 4 and 5, 5 Ground supported. The third pair of castors 6, 6 is articulated via a support device 9 on the base plate 3 so as to be pivotable about an axis of rotation 13. The support device 9 includes a height adjustment device, which essentially consists of a two-sided lever with the two lever arms 10 and 11. The two-sided lever is mounted on the base plate 3 about the axis of rotation 13. At the front free end of the one lever arm 10 there is the third pair of castors 19 on both sides of the base plate 3. The two-sided lever is also provided on both sides on the base plate 3 with the two rollers of the pair of rollers 6, 6 on the base plate 3. The other lever arm 11 of the two-sided lever is connected to an engagement part 12. This engagement part 12 can be operated by hand or can be brought into engagement with a vertical guide 24 of the length-adjustable support column 8, as is shown in FIGS. 2 and 3. If the height of the treatment table 2 or the length of the support column 8 is increased, the engagement part 12 is pulled upwards. The two-sided lever (lever arms 10 and 11) is pivoted about the axis of rotation 13. The pair of castors 6, 6 is then brought into the lower position (FIG. 3). The base plate 3 can be raised in the region of the third pair of castors 6, 6 above the height shown in FIG. 2 for straight travel. The base plate 3 and thus the treatment table 2 can then only be supported on the floor via the third pair of castors 6, 6. The treatment table 2 can then be pivoted by any angle on the two rollers of the third pair of castors 6, 6 and brought into any new straight direction of extension.

Falls in der Fahrstrecke eine Stufe vorhanden ist, wie sie in der Fig. 3 durch eine strichlierte Stufe 25 angedeutet ist, bereitet es keine Schwierigkeit, mit dem erfindungsgemäßen Fahrgestell dieses Hindernis zu überwinden. Mit Hilfe des dritten Fahrrollenpaares 6,6 kann dann eines der beiden Fahrrollenpaare 4,4 oder 5,5 in eine solche Höhenlage gebracht werden, daß es über die Stufe 25 angehoben ist. In der Fig. 3 ist das zweite Fahrrollenpaar 5,5 über die Stufe 25 angehoben. Das Fahrrollenpaar 5,5 kann dann auf die Oberfläche der Stufe 25 aufgesetzt werden. Dies erfolgt dadurch, daß durch Betätigung der Säulenlängeverstelleinrichtung 14 das Fahrrollenpaar 6,6 um die Drehachse 13 verschwenkt wird, so daß die Bodenplatte 3 abgesenkt wird. Der Behandlungstisch 2 kann dann wiederum im Geradeausfahrt problemlos weiter transportiert werden. Da das Fahrrollenpaar 6,6 einen größeren Durchmesser aufweisen kann als die beiden anderen Fahrrollenpaare 4,4 und 5,5, bereitet es keine Schwierigkeiten, das dritte Fahrrollenpaar 6,6 auf die Stufe 25 aufzuschieben. Auf diese Weise läßt sich eine quasi "schwimmende" Überwindung von stufenförmigen Hindernissen erreichen.If there is a step in the route, as indicated by a dashed step 25 in FIG. 3, it is not difficult to overcome this obstacle with the chassis according to the invention. With the help of the third pair of castors 6, 6, one of the two pairs of castors 4, 4 or 5, 5 can then be brought to such an altitude that it is raised above step 25. In Fig. 3, the second pair of castors 5.5 is raised above level 25. The pair of rollers 5.5 can then be placed on the surface of the stage 25. This is done in that the pair of castors 6, 6 is pivoted about the axis of rotation 13 by actuating the column length adjustment device 14, so that the base plate 3 is lowered. The treatment table 2 can then in turn be easily transported in a straight line. Since the pair of castors 6, 6 can have a larger diameter than the other two pairs of casters 4, 4 and 5.5, it is not difficult to push the third pair of casters 6, 6 onto step 25. In this way, a quasi "floating" overcoming step-shaped obstacles can be achieved.

Die Säulenlängeverstelleinrichtung 14 kann, wie das beispielsweise aus der deutschen Patentschrift 30 16 387 bekannt ist, hydraulich verstellt werden. Auf diese Weise erreicht man eine stufenlose Verstellung des dritten Fahrrollenpaares 6,6. Man erreicht damit im Bereich der Schwenkachse 13, die sich innerhalb eines Bereiches unter dem Schwerpunkt des Behandlungstisches 2 befindet, eine stufenlose Höheneinstellung der Bodenplatte 3. Hierbei wird der zweiseitige Hebelarm durch das Eingriffsteil 12 in Abhängigkeit von der Säulenlängeneinstellung mit hochgezogen oder abgesenkt. Diese Bewegung wird auf das dritte Fahrrollenpaar 6,6 übertragen.The column length adjustment device 14 can be hydraulically adjusted, as is known, for example, from German patent 30 16 387. In this way, the third pair of castors 6, 6 can be continuously adjusted. A stepless height adjustment of the base plate 3 is thus achieved in the area of the pivot axis 13, which is located within an area below the center of gravity of the treatment table 2. The two-sided lever arm becomes dependent on the engagement part 12 from the column length adjustment with raised or lowered. This movement is transferred to the third pair of castors 6, 6.

Claims (7)

  1. A chassis frame (1) for a treatment table (2), which is supported on the ground at its one end by a first pair of rollers (4, 4) and at its other end by a second pair of rollers (5, 5),
       wherein a third pair of rollers (6, 6) is mounted approximately beneath the centre of gravity of the treatment table (2) by way of a support device (9) with a height adjustment device (10, 11, 12) in such a way that the chassis frame (1) can be lifted higher above the ground by the third pair of rollers (6, 6) by means of the height adjustment device (10, 11, 12), than the support height (H) which is fixedly predetermined by the first and second pairs of rollers (4, 4 and 5, 5); and wherein
       the travel axes (17, 18, 19) of the pairs of rollers (4, 4, 5, 5 and 6, 6) are rigidly oriented perpendicularly to the direction of travel on the chassis frame (1),
       characterised in that
       the chassis frame (1) has a base plate (3) on which the pairs of rollers (4, 4, 5, 5 and 6,6) are mounted and on which a treatment couch (7) is supported on a perpendicular support pillar (8),
       wherein the base plate (3) is supported by the first pair of rollers (4, 4) with a feed travel axis (17) and by the second pair of rollers (5, 5) with a travel axis (18) which can be feed vertically in two positions, in such a way that in the upper position of the travel axis (18) the end of the base plate (3) lies on the ground and in the lower position of the travel axis (18) the end of the base plate (3) is supported on the ground by way of the second pair of rollers (5, 5).
  2. A chassis frame according to claim 1 characterised in that the base plate (3) can be set at different heights in the region of the third pair of rollers (6, 6) relative to the ground by the height adjustment device (10, 11, 12).
  3. A chassis frame according to clam 1 or claim 2 characterised in that the height adjustment device (10, 11, 12) is in the form of a two-sided lever (10, 11) which is mounted on the base plate (3) at a pivot axis (13) and that the third pair of rollers (6, 6) is provided on one lever arm (10) and an engagement portion (12) is provided on the other lever arm (11).
  4. A chassis frame according to claim 3 characterised in that the engagement portion (12) can be brought into engagement with a pillar length adjustment device (14) provided on the support pillar (8).
  5. A chassis frame according to one of claims 1 to 4 characterised in that the second pair of rollers (5, 5) is mounted on the base plate (3) by way of an eccentric (15).
  6. A chassis frame according to claim 5 characterised in that the eccentric (15) is rigidly connected to an actuating lever (16) in such a way that in order for the end of the base plate (3) to be supported by the second pair of rollers (5, 5) the actuating lever (16) is supported on the base plate (3) and the travel axis (18) of the second pair of rollers (5, 5) is disposed inclinedly beneath the eccentric axis (20) about which the actuating lever (16) is pivotable.
  7. A chassis frame according to one of claims 1 to 6 characterised in that the diameter of the rollers of the third pair of rollers (6, 6) is larger than the diameter of the rollers of the first and second pairs of rollers (4, 4 and 5, 5).
EP90113964A 1990-07-20 1990-07-20 Undercarriage for a treatment table Expired - Lifetime EP0466967B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT90113964T ATE122557T1 (en) 1990-07-20 1990-07-20 CHASSIS FOR A TREATMENT TABLE.
EP90113964A EP0466967B1 (en) 1990-07-20 1990-07-20 Undercarriage for a treatment table
DE59009102T DE59009102D1 (en) 1990-07-20 1990-07-20 Chassis for a treatment table.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90113964A EP0466967B1 (en) 1990-07-20 1990-07-20 Undercarriage for a treatment table

Publications (2)

Publication Number Publication Date
EP0466967A1 EP0466967A1 (en) 1992-01-22
EP0466967B1 true EP0466967B1 (en) 1995-05-17

Family

ID=8204238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113964A Expired - Lifetime EP0466967B1 (en) 1990-07-20 1990-07-20 Undercarriage for a treatment table

Country Status (3)

Country Link
EP (1) EP0466967B1 (en)
AT (1) ATE122557T1 (en)
DE (1) DE59009102D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604680A1 (en) * 1992-12-29 1994-07-06 BRUMABA U. Brustmann Treatment table, in particular for physical therapy
EP0792630A2 (en) * 1996-03-01 1997-09-03 Herbert Brustmann Treatment bed
EP1243241A2 (en) 2001-03-21 2002-09-25 Herbert Brustmann Undercarriage for treatment table, especially for surgical interventions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050856B4 (en) * 2005-10-24 2009-11-12 Herbert Brustmann treatment table
DE102010020129B4 (en) * 2010-05-10 2011-12-15 Akrus Gmbh & Co. Kg Examination or treatment chair or bed

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB117178A (en) * 1917-09-08 1918-07-11 James Ernest Arnold Improvements in or relating to Trolleys particularly applicable for use in Hospitals.
DE561207C (en) * 1930-10-15 1932-10-14 Schnellpressenfabrik Akt Ges H Locomotion device, in particular on operating tables and chairs
DE2639205A1 (en) * 1976-08-31 1978-03-09 Stierlen Maquet Ag Frame for operating or X=ray table - has mobile lower section and pivotable upper section with manually lockable joint
US4225125A (en) * 1977-04-28 1980-09-30 Matburn (Holdings) Limited Operation table
GB2067395A (en) * 1980-01-18 1981-07-30 Matburn Holdings Ltd Surgical operation tables
DE3016387C2 (en) * 1980-04-29 1984-04-19 Herbert 8190 Wolfratshausen Brustmann Treatment couch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604680A1 (en) * 1992-12-29 1994-07-06 BRUMABA U. Brustmann Treatment table, in particular for physical therapy
EP0792630A2 (en) * 1996-03-01 1997-09-03 Herbert Brustmann Treatment bed
EP1243241A2 (en) 2001-03-21 2002-09-25 Herbert Brustmann Undercarriage for treatment table, especially for surgical interventions
DE10113805A1 (en) * 2001-03-21 2002-10-02 Herbert Brustmann Trolley for a treatment table, in particular for surgical interventions
DE10113805B4 (en) * 2001-03-21 2006-02-23 Herbert Brustmann Chassis for a treatment table, in particular for surgical interventions

Also Published As

Publication number Publication date
EP0466967A1 (en) 1992-01-22
DE59009102D1 (en) 1995-06-22
ATE122557T1 (en) 1995-06-15

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