EP0691119A2 - Patient supporting surface for operating tables - Google Patents

Patient supporting surface for operating tables Download PDF

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Publication number
EP0691119A2
EP0691119A2 EP95110361A EP95110361A EP0691119A2 EP 0691119 A2 EP0691119 A2 EP 0691119A2 EP 95110361 A EP95110361 A EP 95110361A EP 95110361 A EP95110361 A EP 95110361A EP 0691119 A2 EP0691119 A2 EP 0691119A2
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EP
European Patent Office
Prior art keywords
plate part
support surface
lower plate
patient support
patient
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.)
Granted
Application number
EP95110361A
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German (de)
French (fr)
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EP0691119B1 (en
EP0691119A3 (en
Inventor
Reinhard Pfeuffer
Klaus Bock
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Maquet GmbH
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Stierlen Maquet AG
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Publication date
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Publication of EP0691119A2 publication Critical patent/EP0691119A2/en
Publication of EP0691119A3 publication Critical patent/EP0691119A3/en
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Publication of EP0691119B1 publication Critical patent/EP0691119B1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections

Definitions

  • the invention relates to a patient support surface of an operating table, which consists of several interconnected storage surface sections and can be detachably connected to a support device in the area of one of these sections.
  • Patient support surfaces of the aforementioned type are known, the sections of which can be pivoted relative to one another about transverse axes with the aid of motors arranged in the spars of the patient support surface.
  • it would also be desirable to enable a translational adjustment of the bearing surface relative to the support device for example in order to be able to move certain parts of the patient's body into the area of an X-ray device or other stationary devices during the operation, without the patient's bearing surface being moved away from it Support device must be removed.
  • the problem with all types of adjustment devices arises that they must work reliably and must not pose a risk to the patient or the surgeon and at the same time must be easy and reliable to clean so that they can meet the requirement for sterility in an operating room.
  • the invention has for its object to provide a patient support surface of the type mentioned, which is translationally adjustable relative to a support device taking into account the above requirements.
  • the adjustment device for a translatory adjustment of the patient support surface relative to the support device is arranged entirely within the patient support surface. This eliminates coupling elements between the bearing surface and the support device, for a translational adjustment of the patient support surface relative to the support device and the associated hygienic problems. If the bearing surface is connected to the support device, only a connection for the transmission of the drive energy and possibly control signals between the support device and the bearing surface must be established. The intervention of mechanical elements for transmitting a drive movement, however, is not necessary.
  • the adjustment device is a completely closed unit within the patient support area and is not affected by the separation of the patient support area and the support device.
  • the drive device preferably comprises an electric motor, which is connected to a transmission device arranged in the lower plate part for transmitting electrical energy between the bearing surface and the support device is.
  • a transmission device can comprise, for example, electrical contact elements which come into contact with corresponding contact elements in the support device when the patient support surface is placed on the support device.
  • the upper plate part is preferably fixedly connected to at least one output element which is guided in the lower plate part and engages within the same with a drive element driven by the electric motor.
  • a drive element driven by the electric motor For an easy-to-clean design of the patient support surface, it is therefore only necessary to bring the driven element connected to the upper plate part tightly out of the box-shaped lower plate part. Sealing elements suitable for this purpose are known.
  • the output element is formed by a toothed rack which engages with a drive pinion within the lower plate part.
  • a rack which can be displaced within the lower plate part can be guided out of the lower plate part relatively tightly without any problems.
  • the bearing surface is expediently driven relative to the support device symmetrically in such a way that the upper plate part has longitudinal bars connected by a cross strut, each of which is connected to a toothed rack guided in the lower plate part.
  • the operating table shown schematically in FIG. 1 comprises a support column 10 with a column base 12 and a head part 14 and a patient support surface 16 connected to the head part 14 of the support column 10, in which the support pads have been omitted for a better overview.
  • the bearing surface 16 consists of a central section, generally designated 18, which is connected to the head part 14 of the support column 10 and to which further bearing surface sections 20, 22, 24 adjoin on both sides, each of which can be pivoted relative to one another about horizontal axes 26.
  • the pivoting takes place with the aid of motors 28 which are arranged in the spars of the bearing surface sections. Since these adjustment drives are known per se and are not essential for the present application, they are not explained in more detail.
  • the middle section 18 of the bearing surface 16 comprises a lower plate part 30 and an upper plate part 32, which is adjustable relative to the lower plate part 30 parallel to the direction of arrow A in FIG.
  • the lower plate part 30 comprises a closed housing 34 in the form of a flat cuboid.
  • a pin-shaped connecting element 36 which is intended for insertion into a complementary pin receptacle 38, which is arranged on the column head 14, is fastened to the side surfaces of this housing.
  • the lower plate 30 and thus the entire patient support surface 16 can be locked to the support column 10 by means of a latch mechanism on the connecting element 36, which is not shown in detail.
  • the upper plate part 32 consists of an H-shaped frame with two side rails 40 and a central web 42 connecting them.
  • the free ends of the rails 40 carry, via fastening elements 44 on the respective rail inner side, a rack 46 running parallel to the rail in question, each of which has a housing section 48 passes through the lower plate part and is guided tightly out of the corresponding openings in this housing section 48.
  • the upper plate part 32 is displaceably guided on the lower plate part 34 and adjustable parallel to the direction of the arrow A by means of an adjustment drive arranged inside the lower plate part 34, as will now be explained below.
  • the lower plate part 34 has a box-shaped lower housing part 50, which can be closed by a cover 52 on its upper side.
  • the guide 48 for one of the toothed racks 46 is formed on two opposite sides of the lower housing part 50.
  • An electric motor 54 is arranged in the box-shaped lower housing part 50, which drives a shaft 62 provided with a pinion 60 via a pinion 56 on its drive shaft and a toothed belt 58, said shaft 62 being freely rotatably mounted in the lower housing part 50 perpendicular to the direction of displacement of the racks 46.
  • the shaft 62 carries at both ends a worm 64, which is in engagement with a worm wheel 66, which in turn is fastened in each case to a shaft 68 which is freely rotatably mounted in the lower housing part parallel to a rack 46. In its central section, this in turn carries a worm 70 which meshes with a worm wheel 72 which is perpendicular to the worm wheel Cover 52 of the lower plate part directed shaft 74 sits. This is also mounted in the lower housing part 50 and carries a gear 76 which is in engagement with the respective rack 46.
  • the gear connections between the motor 54 and the two racks 46 are constructed completely symmetrically, so that both racks 46 can be adjusted synchronously by the motor 54.
  • openings in the lower housing part 50 are provided in the area of the worm drives 64, 66 and can be closed by covers 78.
  • the position-side part 80 of a connection module is inserted, via which a wireless connection for the transmission of electrical drive energy and information signals between the support column 10 and the bearing surface 16 can take place.
  • a control unit not shown, which is connected to a control unit in the upper plate part 32 via cables 82.

Abstract

The section (18) of the patient support surface joined to the support (10) comprises a bottom (30) and a top (32) plate joined to the other sections (20,22,24) of the patient-support surface (16). The bottom plate is in the form of a closed box (50,52) containing a drive mechanism (54) for adjusting the top plate. The drive mechanism comprises an electric motor connected to a transmission (8) positioned in the bottom plate for transmitting electrical energy between the support surface and the support. The top plate is connected to at least one driven element (46) in the bottom plate and engaging with a drive element (76) driven by the electric motor. <IMAGE>

Description

Die Erfindung betrifft eine Patientenlagerfläche eines Operationstisches, die aus mehreren miteinander verbundenen Lagerflächenabschnitten besteht und im Bereich eines dieser Abschnitte mit einer Stützeinrichtung lösbar verbindbar ist.The invention relates to a patient support surface of an operating table, which consists of several interconnected storage surface sections and can be detachably connected to a support device in the area of one of these sections.

Es sind Patientenlagerflächen der vorstehend genannten Art bekannt, deren Abschnitte mit Hilfe von in den Holmen der Patientenlagerfläche angeordneten Motoren um Querachsen relativ zueinander verschwenkbar sind. Für bestimmte Zwecke wäre es jedoch auch wünschenswert, eine translatorische Verstellung der Lagerfläche relativ zur Stützeinrichtung zu ermöglichen, um beispielsweise bestimmte Körperpartien des Patienten in den Bereich eines Röntgengerätes oder anderer stationärer Einrichtungen während der Operation verschieben zu können, ohne daß hierzu die Patientenlagerfläche von der Stützeinrichtung abgenommen werden muß. Bei allen Arten von Verstelleinrichtungen ergibt sich dabei das Problem, daß diese zuverlässig arbeiten müssen und keine Gefährdung für den Patienten oder den Operateur darstellen dürfen und gleichzeitig bequem und zuverlässig zu reinigen sein müssen, damit sie die Forderung nach Sterilität in einem Operationssaal erfüllen können.Patient support surfaces of the aforementioned type are known, the sections of which can be pivoted relative to one another about transverse axes with the aid of motors arranged in the spars of the patient support surface. For certain purposes, however, it would also be desirable to enable a translational adjustment of the bearing surface relative to the support device, for example in order to be able to move certain parts of the patient's body into the area of an X-ray device or other stationary devices during the operation, without the patient's bearing surface being moved away from it Support device must be removed. The problem with all types of adjustment devices arises that they must work reliably and must not pose a risk to the patient or the surgeon and at the same time must be easy and reliable to clean so that they can meet the requirement for sterility in an operating room.

Der Erfindung liegt die Aufgabe zugrunde, eine Patientenlagerfläche der eingangs genannten Art anzugeben, die unter Berücksichtigung der vorstehend genannten Forderungen relativ zu einer Stützeinrichtung translatorisch verstellbar ist.The invention has for its object to provide a patient support surface of the type mentioned, which is translationally adjustable relative to a support device taking into account the above requirements.

Diese Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of claim 1.

Bei der erfindungsgemäßen Lösung ist die Verstelleinrichtung für eine translatorische Verstellung der Patientenlagerfläche relativ zur Stützeinrichtung vollständig innerhalb der Patientenlagerfläche angeordnet. Dadurch entfallen Kopplungselemente zwischen der Lagerfläche und der Stützeinrichtung, für eine translatorische Verstellung der Patientenlagerfläche relativ zu der Stützeinrichtung und die damit verbundenen hygienischen Probleme. Wird die Lagerfläche mit der Stützeinrichtung verbunden, muß lediglich eine Verbindung zur Übertragung der Antriebsenergie und gegebenenfalls von SteuersignaIen zwischen der Stützeinrichtung und der Lagerfläche hergestellt werden. Der Eingriff mechanischer Elemente zur Übertragung einer Antriebsbewegung dagegen ist nicht erforderlich. Die Verstelleinrichtung ist eine vollständig abgeschlossene Einheit innerhalb der Patientenlagerfläche und wird von der Trennung der Patientenlagerfläche und der Stützeinrichtung nicht betroffen.In the solution according to the invention, the adjustment device for a translatory adjustment of the patient support surface relative to the support device is arranged entirely within the patient support surface. This eliminates coupling elements between the bearing surface and the support device, for a translational adjustment of the patient support surface relative to the support device and the associated hygienic problems. If the bearing surface is connected to the support device, only a connection for the transmission of the drive energy and possibly control signals between the support device and the bearing surface must be established. The intervention of mechanical elements for transmitting a drive movement, however, is not necessary. The adjustment device is a completely closed unit within the patient support area and is not affected by the separation of the patient support area and the support device.

Vorzugsweise umfaßt die Antriebseinrichtung einen Elektromotor, der mit einer in dem unteren Plattenteil angeordneten Übertragungseinrichtung zur Übertragung elektrischer Energie zwischen der Lagerfläche und der Stützeinrichtung verbunden ist. Eine solche Übertragungseinrichtung kann beispielsweise elektrische Kontaktelemente umfassen, die beim Aufsetzen der Patientenlagerfläche auf die Stützeinrichtung mit entsprechenden Kontaktelementen in der Stützeinrichtung in Kontakt treten.The drive device preferably comprises an electric motor, which is connected to a transmission device arranged in the lower plate part for transmitting electrical energy between the bearing surface and the support device is. Such a transmission device can comprise, for example, electrical contact elements which come into contact with corresponding contact elements in the support device when the patient support surface is placed on the support device.

Das obere Plattenteil ist vorzugsweise mit mindestens einem Abtriebselement fest verbunden, das in dem unteren Plattenteil geführt ist und innerhalb desselben mit einem von dem Elektromotor angetriebenen Antriebselement in Eingriff steht. Es ist also für eine gut zu reinigende Ausführung der Patientenlagerfläche lediglich erforderlich, das mit dem oberen Plattenteil verbundene Abtriebselement aus dem kastenförmigen unteren Plattenteil dicht herauszuführen. Für diesen Zweck geeignete Dichtungselemente sind bekannt.The upper plate part is preferably fixedly connected to at least one output element which is guided in the lower plate part and engages within the same with a drive element driven by the electric motor. For an easy-to-clean design of the patient support surface, it is therefore only necessary to bring the driven element connected to the upper plate part tightly out of the box-shaped lower plate part. Sealing elements suitable for this purpose are known.

Gemäß einer bevorzugten Ausführungsform ist das Abtriebselement von einer Zahnstange gebildet, die mit einem Antriebsritzel innerhalb des unteren Plattenteils in Eingriff steht. Eine solche innerhalb des unteren Plattenteils verschiebbare Zahnstange kann relativ problemlos dicht aus dem unteren Plattenteil herausgeführt werden. Zweckmäßigerweise erfolgt der Antrieb der Lagerfläche relativ zur Stützeinrichtung symmetrisch in der Weise, daß der obere Plattenteil durch eine Querstrebe verbundene Längsholme hat, von denen jeder mit einer in dem unteren Plattenteil geführten Zahnstange verbunden ist.According to a preferred embodiment, the output element is formed by a toothed rack which engages with a drive pinion within the lower plate part. Such a rack which can be displaced within the lower plate part can be guided out of the lower plate part relatively tightly without any problems. The bearing surface is expediently driven relative to the support device symmetrically in such a way that the upper plate part has longitudinal bars connected by a cross strut, each of which is connected to a toothed rack guided in the lower plate part.

Weitere vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen angegeben. Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung, welche in Verbindung mit den beigefügten Zeichnungen die Erfindung anhand eines Ausführungsbeispieles erläutert. Es zeigen:

Figur 1
eine teilweise schematische Darstellung einer erfindungsgemäßen Patientenlagerfläche, die auf einer Stützsäule eines Operationstisches montiert ist, wobei die Auflagepolster weggelassen wurden,
Figur 2
eine teilweise geschnittene Endansicht des unteren Plattenteils allein in Richtung des Pfeiles A in Figur 1,
Figur 3
einen Horizontalschnitt durch das untere Plattenteil entlang der Linie III-III in Figur 2 und
Figur 4
einen Teilschnitt entlang Linie IV-IV in Figur 3.
Further advantageous embodiments of the invention are specified in the subclaims. Further features and advantages of the invention will become apparent from the following description, which in connection with the accompanying drawings explains the invention using an exemplary embodiment. Show it:
Figure 1
a partial schematic representation of a patient support surface according to the invention, on a support column of an operating table is installed, with the support pads omitted,
Figure 2
2 shows a partially sectioned end view of the lower plate part only in the direction of arrow A in FIG. 1,
Figure 3
a horizontal section through the lower plate part along the line III-III in Figure 2 and
Figure 4
a partial section along line IV-IV in Figure 3.

Der in Figur 1 schematisch dargestellte Operationstisch umfaßt eine Stützsäule 10 mit einem Säulenfuß 12 und einem Kopfteil 14 sowie eine mit dem Kopfteil 14 der Stützsäule 10 verbundene Patientenlagerfläche 16, bei der zur besseren Übersicht die Auflagepolster weggelassen wurden.The operating table shown schematically in FIG. 1 comprises a support column 10 with a column base 12 and a head part 14 and a patient support surface 16 connected to the head part 14 of the support column 10, in which the support pads have been omitted for a better overview.

Die Lagerfläche 16 besteht aus einem allgemein mit 18 bezeichneten Mittelabschnitt, der mit dem Kopfteil 14 der Stützsäule 10 verbunden ist und an den sich beiderseits weitere Lagerflächenabschnitte 20, 22, 24 anschließen, die relativ zueinander jeweils um horizontale Achsen 26 verschwenkbar sind. Das Verschwenken erfolgt mit Hilfe von Motoren 28, die in den Holmen der Lagerflächenabschnitte angeordnet sind. Da diese Verstellantriebe für sich bekannt sind und für die vorliegende Anmeldung nicht wesentlich sind, werden sie nicht naher erläutert.The bearing surface 16 consists of a central section, generally designated 18, which is connected to the head part 14 of the support column 10 and to which further bearing surface sections 20, 22, 24 adjoin on both sides, each of which can be pivoted relative to one another about horizontal axes 26. The pivoting takes place with the aid of motors 28 which are arranged in the spars of the bearing surface sections. Since these adjustment drives are known per se and are not essential for the present application, they are not explained in more detail.

Der Mittelabschnitt 18 der Lagerfläche 16 umfaßt ein unteres Plattenteil 30 sowie ein oberes Plattenteil 32, das relativ zum unteren Plattenteil 30 parallel zur Richtung des Pfeiles A in Figur 1 verstellbar ist.The middle section 18 of the bearing surface 16 comprises a lower plate part 30 and an upper plate part 32, which is adjustable relative to the lower plate part 30 parallel to the direction of arrow A in FIG.

Das untere Plattenteil 30 umfaßt ein geschlossenes Gehäuse 34 in Form eines flachen Quaders. An zwei einander gegenüberliegenden Seitenflächen dieses Gehäuses ist jeweils ein zapfenförmiges Verbindungselement 36 befestigt, das zum Einstecken in eine komplementäre Zapfenaufnahme 38 bestimmt ist, die an dem Säulenkopf 14 angeordnet ist. Über einen nicht näher dargestellten Klinkenmechanismus an dem Verbindungselement 36 kann die untere Platte 30 und damit die gesamte Patientenlagerfläche 16 an der Stützsäule 10 verriegelt werden.The lower plate part 30 comprises a closed housing 34 in the form of a flat cuboid. On two opposite one another A pin-shaped connecting element 36, which is intended for insertion into a complementary pin receptacle 38, which is arranged on the column head 14, is fastened to the side surfaces of this housing. The lower plate 30 and thus the entire patient support surface 16 can be locked to the support column 10 by means of a latch mechanism on the connecting element 36, which is not shown in detail.

Das obere Plattenteil 32 besteht aus einem H-förmigen Rahmen mit zwei Seitenholmen 40 und einem sie verbindenen Mittelsteg 42. Die freien Enden der Holme 40 tragen über Befestigungselemente 44 an der jeweiligen Holminnenseite eine parallel zu dem betreffenden Holm verlaufende Zahnstange 46, die jeweils einen Gehäuseabschnitt 48 des unteren Plattenteils durchsetzt und dicht abschließend aus den entsprechenden Öffnungen dieses Gehäuseabschnittes 48 herausgeführt ist. Mit Hilfe dieser Zahnstangen ist das obere Plattenteil 32 an dem unteren Plattenteil 34 verschiebbar geführt und mittels eines innerhalb des unteren Plattenteils 34 angeordneten Verstellantriebes parallel zur Richtung des Pfeiles A verstellbar, wie dies im weiteren nun erläutert werden soll.The upper plate part 32 consists of an H-shaped frame with two side rails 40 and a central web 42 connecting them. The free ends of the rails 40 carry, via fastening elements 44 on the respective rail inner side, a rack 46 running parallel to the rail in question, each of which has a housing section 48 passes through the lower plate part and is guided tightly out of the corresponding openings in this housing section 48. With the aid of these toothed racks, the upper plate part 32 is displaceably guided on the lower plate part 34 and adjustable parallel to the direction of the arrow A by means of an adjustment drive arranged inside the lower plate part 34, as will now be explained below.

Das untere Plattenteil 34 hat ein kastenförmiges Gehäuseunterteil 50, das auf seiner Oberseite durch einen Deckel 52 verschließbar ist. An zwei einander gegenüberliegenden Seiten des Gehäuseunterteils 50 ist jeweils die Führung 48 für eine der Zahnstangen 46 ausgebildet. In dem kastenförmigen Gehäuseunterteil 50 ist ein Elektromotor 54 angeordnet, der über ein Ritzel 56 an seiner Antriebswelle und einen Zahnriemen 58 eine mit einem Ritzel 60 versehene Welle 62 antreibt, die in dem Gehäuseunterteil 50 senkrecht zur Verschieberichtung der Zahnstangen 46 frei drehbar gelagert ist. Die Welle 62 trägt an ihren beiden Enden jeweils eine Schnecke 64, die mit einem Schneckenrad 66 in Eingriff steht, das seinerseits jeweils an einer parallel zu einer Zahnstange 46 frei drehbar in dem Gehäuseunterteil gelagerten Welle 68 befestigt ist. Diese trägt in ihrem mittleren Abschnitt wiederum eine Schnecke 70, die mit einem Schneckenrad 72 kämmt, das auf einer senkrecht zum Deckel 52 des unteren Plattenteils gerichteten Welle 74 sitzt. Diese ist ebenfalls in dem Gehäuseunterteil 50 gelagert und trägt ein Zahnrad 76, das in Eingriff mit der jeweiligen Zahnstange 46 steht. Die Getriebeverbindungen zwischen dem Motor 54 und den beiden Zahnstangen 46 sind völlig symmetrisch aufgebaut, so daß beide Zahnstangen 46 synchron von dem Motor 54 verstellt werden können. Für Montage und Wartungsmaßnahmen sind im Bereich der Schneckentriebe 64, 66 Öffnungen in dem Gehäuseunterteil 50 vorgesehen, die durch Deckel 78 verschließbar sind.The lower plate part 34 has a box-shaped lower housing part 50, which can be closed by a cover 52 on its upper side. The guide 48 for one of the toothed racks 46 is formed on two opposite sides of the lower housing part 50. An electric motor 54 is arranged in the box-shaped lower housing part 50, which drives a shaft 62 provided with a pinion 60 via a pinion 56 on its drive shaft and a toothed belt 58, said shaft 62 being freely rotatably mounted in the lower housing part 50 perpendicular to the direction of displacement of the racks 46. The shaft 62 carries at both ends a worm 64, which is in engagement with a worm wheel 66, which in turn is fastened in each case to a shaft 68 which is freely rotatably mounted in the lower housing part parallel to a rack 46. In its central section, this in turn carries a worm 70 which meshes with a worm wheel 72 which is perpendicular to the worm wheel Cover 52 of the lower plate part directed shaft 74 sits. This is also mounted in the lower housing part 50 and carries a gear 76 which is in engagement with the respective rack 46. The gear connections between the motor 54 and the two racks 46 are constructed completely symmetrically, so that both racks 46 can be adjusted synchronously by the motor 54. For assembly and maintenance measures, openings in the lower housing part 50 are provided in the area of the worm drives 64, 66 and can be closed by covers 78.

Im Boden des Gehäuseunterteils 50 ist der lageflächenseitige Teil 80 eines Verbindungsmoduls eingesetzt, über den eine drahtlose Verbindung zur Übertragung von elektrischer Antriebsenergie und Informationssignalen zwischen der Stützsäule 10 und der Lagerfläche 16 erfolgen kann. Innerhalb des Plattenunterteils 30 befindet sich eine nicht dargestellte Steuereinheit, die mit einer Steuereinheit in dem oberen Plattenteil 32 über Kabel 82 verbunden ist. Über diese Kabel fließt auch der Strom für die Elektromotoren 28, die zur Verstellung der Lageflächenabschnitte 20 bis 24 relativ zum Mittelabschnitt 18 bestimmt sind.In the bottom of the lower housing part 50, the position-side part 80 of a connection module is inserted, via which a wireless connection for the transmission of electrical drive energy and information signals between the support column 10 and the bearing surface 16 can take place. Within the lower plate part 30 there is a control unit, not shown, which is connected to a control unit in the upper plate part 32 via cables 82. The current for the electric motors 28, which are intended to adjust the bearing surface sections 20 to 24 relative to the central section 18, also flows via these cables.

Die vorstehende Beschreibung zeigt, daß bei der erfindungsgemäßen Patientenlagerfläche alle Verstelleinrichtungen einschließlich einer translatorischen horizontalen Verstellung der Lagerfläche innerhalb der Lagerfläche angeordnet sind. Somit ist es möglich, an der Patientenlagerfläche alle Bewegungsfunktionen einzustellen und zu steuern, unabhängig davon, ob die Patientenlagerfläche auf der Stützsäule des Operationstisches oder auf einem Transportwagen oder auf irgendeiner anderen Stützeinrichtung angeordnet ist, vorausgesetzt, daß die Lagerfläche die für den Betrieb der in ihr angeordneten Elektromotoren erforderliche Energie sowie gegebenenfalls die erforderlichen Steuersignale erhält. Da keine mechanischen Antriebselemente mit der Lagerfläche gekoppelt werden müssen, kann sowohl die lagerflächenseitige Kontaktfläche als auch die stützeinrichtungsseitige Kontaktfläche bequem gereinigt werden.The above description shows that, in the patient support surface according to the invention, all the adjustment devices, including a translational horizontal adjustment of the support surface, are arranged within the support surface. It is thus possible to set and control all movement functions on the patient support surface, regardless of whether the patient support surface is arranged on the support column of the operating table or on a transport trolley or on any other support device, provided that the storage surface is used for the operation of the patient arranged electric motors receives the necessary energy and possibly the necessary control signals. Since no mechanical drive elements have to be coupled to the bearing surface, both the contact surface on the bearing surface and the contact surface on the support device can also be easily cleaned.

Claims (8)

Patientenlagerfläche (16) eines Operationstisches, die aus mehreren miteinander verbundenen Lagerflächenabschnitten (18, 20, 22, 24) besteht und im Bereich eines dieser Abschnitte mit einer Stützeinrichtung (10) lösbar verbindbar ist, dadurch gekennzeichnet, daß der mit der Stützeinrichtung (10) verbindbare Lagerflächenabschnitt (18) einen mit der Stützeinrichtung (10) koppelbaren unteren Plattenteil (30) und einen an diesem translatorisch verstellbar geführten oberen Plattenteil (32) umfaßt, der mit den übrigen Abschnitten (20, 22, 24) der Lagerfläche (16) verbunden ist, und daß der untere Plattenteil (30) in Form eines abgeschlossenen Kastens (50, 52) ausgebildet ist, in dem eine Antriebseinrichtung (54) für die Verstellung des oberen Plattenteiles (32) angeordnet ist.Patient support surface (16) of an operating table, which consists of several interconnected support surface sections (18, 20, 22, 24) and can be detachably connected to a support device (10) in the area of one of these sections, characterized in that the support device (10) Connectable bearing surface section (18) comprises a lower plate part (30) which can be coupled to the support device (10) and an upper plate part (32) which is guided in a translationally adjustable manner and which is connected to the other sections (20, 22, 24) of the bearing surface (16) and that the lower plate part (30) is in the form of a closed box (50, 52) in which a drive device (54) for the adjustment of the upper plate part (32) is arranged. Patientenlagerfläche nach Anspruch 1, dadurch gekennzeichnet, daß die Antriebseinrichtung einen Elektromotor (54) umfaßt, der mit einer in dem unteren Plattenteil (30) angeordneten Übertragungseinrichtung (80) zur Übertragung elektrischer Energie zwischen der Lagerfläche (16) und der Stützeinrichtung (10) verbunden ist.Patient support surface according to Claim 1, characterized in that the drive device comprises an electric motor (54) which is connected to a transmission device (80) arranged in the lower plate part (30) for transmitting electrical energy between the support surface (16) and the support device (10) is. Patientenlagerfläche nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der obere Plattenteil (32) mit mindestens einem Abtriebselement (46) fest verbunden ist, das in dem unteren Plattenteil (30) geführt ist und innerhalb desselben mit einem von dem Elektromotor (54) angetriebenen Antriebselement (76) in Eingriff steht.Patient support surface according to claim 1 or 2, characterized in that the upper plate part (32) is fixedly connected to at least one output element (46) which is guided in the lower plate part (30) and within the same with a driven by the electric motor (54) Drive element (76) is engaged. Patientenlagerfläche nach Anspruch 3, dadurch gekennzeichnet, daß das Abtriebselement von einer Zahnstange (46) gebildet ist, welche mit einem Antriebsritzel (76) innerhalb des unteren Plattenteiles (30) in Eingriff steht.Patient support surface according to claim 3, characterized in that the output element is formed by a toothed rack (46) which engages with a drive pinion (76) within the lower plate part (30). Patientenlagerfläche nach Anspruch 4, dadurch gekennzeichnet, daß der obere Plattenteil (32) zwei durch eine Querstrebe (42) verbundene Längsholme (40) hat, von denen jeder mit einer in dem unteren Plattenteil (30) geführten Zahnstange (46) verbunden ist.Patient support surface according to claim 4, characterized in that the upper plate part (32) has two longitudinal bars (40) connected by a cross strut (42), each of which is connected to a toothed rack (46) guided in the lower plate part (30). Patientenlagerfläche nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß in den Lagerflächenabschnitten (18, 20) Stellantriebe (28) zum Verschwenken der Lagerflächenabschnitte (20, 22, 24) relativ zueinander angeordnet sind und daß der untere und der obere Plattenteil (30, 32) durch Mittel (82) zur Energieübertragung für die Stellantriebe (28) verbunden sind.Patient support surface according to one of claims 1 to 5, characterized in that actuators (28) for pivoting the support surface sections (20, 22, 24) relative to one another are arranged in the support surface sections (18, 20) and that the lower and the upper plate part (30 , 32) are connected by means (82) for energy transmission for the actuators (28). Patientenlagerfläche nach Anspruch 6, dadurch gekennzeichnet, daß in dem unteren Plattenteil (30) eine Steuereinrichtung zur Steuerung der Stellantriebe (28) angeordnet ist und daß Mittel (82) zur Übertragung von Informationssignalen zwischen den beiden Plattenteilen (30, 32) vorgesehen sind.Patient support surface according to claim 6, characterized in that a control device for controlling the actuators (28) is arranged in the lower plate part (30) and in that means (82) for transmitting information signals are provided between the two plate parts (30, 32). Patientenlagerfläche nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der untere Plattenteil (30) mit einer Einrichtung (80) zur Übertragung von elektrischer Energie für die Antriebseinrichtung (50, 28) der Lagerfläche (16) und von Informationssignalen zwischen der Stützeinrichtung (10) und der Lagerfläche (16) versehen ist.Patient support surface according to one of Claims 1 to 7, characterized in that the lower plate part (30) has a device (80) for transmitting electrical energy for the drive device (50, 28) of the support surface (16) and information signals between the support device ( 10) and the bearing surface (16) is provided.
EP95110361A 1994-07-04 1995-07-03 Patient supporting surface for operating tables Expired - Lifetime EP0691119B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4423375A DE4423375C2 (en) 1994-07-04 1994-07-04 Patient storage area of an operating table
DE4423375 1994-07-04

Publications (3)

Publication Number Publication Date
EP0691119A2 true EP0691119A2 (en) 1996-01-10
EP0691119A3 EP0691119A3 (en) 1996-04-03
EP0691119B1 EP0691119B1 (en) 2002-03-27

Family

ID=6522194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110361A Expired - Lifetime EP0691119B1 (en) 1994-07-04 1995-07-03 Patient supporting surface for operating tables

Country Status (4)

Country Link
US (1) US5659909A (en)
EP (1) EP0691119B1 (en)
JP (1) JP3605183B2 (en)
DE (2) DE4423375C2 (en)

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Also Published As

Publication number Publication date
US5659909A (en) 1997-08-26
DE4423375A1 (en) 1996-01-11
EP0691119B1 (en) 2002-03-27
DE4423375C2 (en) 2000-01-05
JPH08168508A (en) 1996-07-02
EP0691119A3 (en) 1996-04-03
JP3605183B2 (en) 2004-12-22
DE59510121D1 (en) 2002-05-02

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