EP1785114B1 - Patient support system - Google Patents

Patient support system Download PDF

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Publication number
EP1785114B1
EP1785114B1 EP06123596A EP06123596A EP1785114B1 EP 1785114 B1 EP1785114 B1 EP 1785114B1 EP 06123596 A EP06123596 A EP 06123596A EP 06123596 A EP06123596 A EP 06123596A EP 1785114 B1 EP1785114 B1 EP 1785114B1
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EP
European Patent Office
Prior art keywords
coupling element
locking
coupling
trolley
elements
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Application number
EP06123596A
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German (de)
French (fr)
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EP1785114A3 (en
EP1785114A2 (en
Inventor
Guido Koch
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Maquet GmbH
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Maquet GmbH
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Publication date
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Priority to PL06123596T priority Critical patent/PL1785114T3/en
Publication of EP1785114A2 publication Critical patent/EP1785114A2/en
Publication of EP1785114A3 publication Critical patent/EP1785114A3/en
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Classifications

    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1057—Supported platforms, frames or sheets for patient in lying position
    • 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
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/80—General characteristics of devices with special adaptations, e.g. for safety or comfort for connecting a trolley to a device, e.g. bed or column table

Definitions

  • the invention relates to a patient support system according to the preamble of claim 1.
  • Such a system is for example from the DE 296 10726 U1 or the EP 457 246 B1 known.
  • To transfer the storage area on the trolley this is brought into a suitable position relative to the support column.
  • the bearing surface is first lowered until it rests on the trolley. At the moment of delivery, they stand first coupling elements on the bearing surface simultaneously with the second and third coupling elements on the column or the trolley into engagement.
  • the second latch can engage with increasing distance from the coupling element of the trolley in the coupling element of the column under the spring preload.
  • the locked in the coupling element of the column latch is pushed back by a control contour of the transporter, while the other latch engages with increasing distance of the column of the bearing surface under the action of the spring force in the coupling element of the trolley.
  • the bearing surface is protected by no bolt against lifting.
  • situations may arise in which the snapping of the bolt is prevented by spring force, for example, when the coupling elements are slightly tilted against each other.
  • the locking means comprise at least one on one of the coupling elements adjustably arranged locking element which engages in the engaged position of two coupling elements in a recess of the respective adjacent coupling element, and that are formed on the coupling elements cams, through which the locking element during the transfer process of the bearing surface of the support column on the trolley or vice versa forced into the respective recess or disengaged from it.
  • the respective locking element is designed as a two-armed rotatably mounted lever which has certain control edges for interaction with the cams, which are opposite to the pivot point of the lever, that are arranged on the two lever arms.
  • the embodiment according to the invention results in that the respective locking element does not reach its detent position by spring pressure, but is forcibly guided. At the same time, during the transfer process, i. trapped during the movement of the locking element, the bearing surface always between the oppositely oriented control edges and thus secured at the time of acquisition against lifting out of the respective coupling element.
  • two locking elements are arranged on each first coupling element, one of which is intended for locking the first coupling element with the second coupling element and the other for the locking of the first coupling element with the third coupling element , wherein the control cams for adjusting the locking elements are formed on the second and third coupling elements.
  • the height adjustment is not shown. It may be formed in any conventional manner. As a rule, this will be a hydraulic or mechanical lifting device.
  • the trolley 16 To the left of the support column there is a transport carriage, generally designated 16, which carries a bearing surface or table top 18 of the operating table.
  • the trolley 16 consists of two side frame members 20 which are interconnected by transverse bars, not shown, as shown in the EP 457 246 B1 is shown. The trolley 16 can be moved up to the support column 10 so that it lies between the side frame members 20.
  • first coupling elements 22 are arranged, which are intended for engagement in second coupling elements 24 on the column head 14 and third coupling elements 26 on the side frame members 20 of the trolley 16 to the bearing surface 18 either with the support column 10 or the trolley 16th connect to.
  • Fig.2 28 denotes a connecting frame which comprises a central plate 30 and two side cheeks 32 which project downwardly at their longitudinal ends, of which only one is shown.
  • the middle plate 30 has on its upper side a bearing 34 for connection to the actual patient support surface 18, which is mounted on the connecting frame 28 so as to be pivotable about the bearing axis 36 extending transversely to its longitudinal direction.
  • Each of the cheeks 32 carries on its inside a first coupling element 22. This has the shape a wide pin with an outer contour 38, and a slot-shaped recess 40 with an inner contour 42nd
  • a partially illustrated saddle 44 which is part of the column head 14. It is similar to the connecting frame 28 C-shaped with a central web 46 and two side panels 48, of which only one is shown.
  • the side part 48 has on its outer side a second coupling element 24 forming receiving pocket for receiving the first coupling element 22, wherein the receiving pocket has an outer contour 38 of the first coupling element 22 adapted inner contour 50.
  • the center bar 46 carries near its respective side part 48 on its upper side a centering pin 52 which is intended to engage in a complementary pin receptacle 54 which is formed on the underside of the middle plate 30 of the connecting frame 28.
  • a third coupling element 26 forming guide pin which is secured via a base 56 on the trolley 16 and is intended to engage in the recess 40 of the respective first coupling element 22. He has one of the inner contour 42 of the first coupling element 22 corresponding outer contour 58th
  • FIG 4 shows a schematic plan view of the inside of a cheek 32 of the connecting frame 28.
  • the locking elements 60 and 62 are each in the form of a two-armed lever, which is pivotally mounted about a pivot axis 64 and 66 and is biased by a torsion spring 68 and 70 respectively in a clockwise direction.
  • the locking element 60 is intended for locking the bearing surface 18 with the column head 14.
  • a lever arm 72 is provided with a hook extension 74 which is intended to engage in a recess 76 on the inner contour 50 of the second coupling element 24 ( Figure 5 ).
  • the locking element 62 is intended for locking the bearing surface 18 with the trolley 16.
  • the lever arm 78 of the locking element 62 has a hook extension 80, which is intended for engagement in a recess 82 on the outer contour 58 of the peg-shaped third coupling element 26 ( Figure 5 ).
  • FIG. 5 shows the three coupling elements 22, 24 and 26 in complete engagement with each other.
  • both locking elements 60 and 62 are pivoted into their release position.
  • the second locking member 62 is pivoted counterclockwise by a lever arm 78 opposite lever arm 94 slides with a control edge 96 formed on a second coupling element 24 control cam 97, in turn, the hook extension 80 opposite end 98 of the first lever arm 78 in a semicircular recess 100 is immersed in the second coupling elements 24, as this Figure 5 shows.
  • the 8 and 9 show the locking process in the transfer of the bearing surface 18 of the trolley 16 on the support column 10.
  • the third coupling element 26 slides down from the recess 40 of the first coupling element 22.
  • the first locking element 60 is forcibly pivoted clockwise by the control cam 88 sliding on a control edge 103 on the lever end 90 on the third coupling element 26, so that the hook extension 74 of the first locking element 60 engages in the recess 76 in the column-side second coupling element 24 like this Figure 8 shows.
  • the bearing surface 18 is firmly locked to the column head 14, as Figure 9 shows.
  • the locking element 60 is pivoted counterclockwise, so that the lock between the second and the first coupling element is released.
  • the above description shows that the two locking elements 60 and 62 are forcibly pivoted in the coupling processes, so that a reliable locking between the bearing surface and the column head on the one hand and the bearing surface and the trolley on the other hand is ensured.
  • the coupling elements 22, 24 and 26 should be exactly in alignment with each other. If they are tilted against each other, malfunctions can occur.
  • a generally designated 102 sensor is arranged on the saddle 44 within the receiving pocket of the second coupling element 24, which is to scan the position of the third coupling element 26 relative to the second coupling element 24.
  • the sensor consists of a rotatably mounted disc 104, which is connected for example with a potentiometer and on the outside of an eccentrically arranged sensing finger 106 is provided.
  • This sensing finger 106 engages in a recess 108, which is formed on a broad side of the third coupling element 26 and is bounded by two control edges 110 and 112.
  • a recess 108 which is formed on a broad side of the third coupling element 26 and is bounded by two control edges 110 and 112.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Electrotherapy Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

Patient support system comprises a patient bearing space (18) and supporting column (10). The locking means are arranged adjustable at the coupling element (22,24,26) and encloses a locking element. The adjacent coupling element engages in engaging position of the two coupling elements in a recess. Cam are formed at the coupling elements by which the locking element compulsory engages or disengages in the recess with the handing over action of the bearing space from the supporting column on the transport carriage (16).

Description

Die Erfindung betrifft ein Patientenlagersystem gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a patient support system according to the preamble of claim 1.

Ein solches System ist beispielsweise aus der DE 296 10726 U1 oder der EP 457 246 B1 bekannt. Zur Übergabe der Lagerfläche auf den Transportwagen wird dieser in eine geeignete Stellung relativ zur Stützsäule gebracht. Durch Abwärtsbewegung der Höhenverstelleinrichtung der Stützsäule wird die Lagerfläche zunächst abgesenkt, bis sie auf dem Transportwagen aufliegt. Im Augenblick der Übergabe stehen die ersten Koppelelemente an der Lagerfläche gleichzeitig mit den zweiten und dritten Koppelelementen an der Säule bzw. dem Transportwagen in Eingriff.Such a system is for example from the DE 296 10726 U1 or the EP 457 246 B1 known. To transfer the storage area on the trolley this is brought into a suitable position relative to the support column. By downward movement of the height adjustment of the support column, the bearing surface is first lowered until it rests on the trolley. At the moment of delivery, they stand first coupling elements on the bearing surface simultaneously with the second and third coupling elements on the column or the trolley into engagement.

Bei dem aus der EP 457 246 B1 bekannten Patientenlagersystem sind den Koppelelementen der Lagerfläche zwei federbelastete Riegel zugeordnet, von denen der eine Riegel in dem Koppelelement der Säule einrastet, wenn die Lagerfläche auf der Säule liegt, und der andere Riegel in dem Koppelelement des Transporters einrastet, wenn die Lagerfläche auf dem Transporter liegt. Im Falle des Übernahmevorgangs, z.B. von dem Transporter auf die Säule durch eine Aufwärtsbewegung der Säule, wird der im Koppelelement des Transportwagens eingerastete Riegel durch eine Steuerkontur der Säule zurückgedrückt und damit die Lagerfläche auf dem Transportwagen entriegelt. Im gleichen Zug wird durch das Vorhandensein des Transportwagens das Einrasten des anderen Riegels in dem Koppelelement der Säule zunächst verhindert. Erst durch das Ausheben der Lagerfläche aus dem Transportwagen kann der zweite Riegel mit zunehmender Entfernung von dem Koppelelement des Transportwagens in das Koppelelement der Säule unter der Federvorspannung einrasten. Im umgekehrten Fall wird der in dem Koppelelement der Säule eingerastete Riegel von einer Steuerkontur des Transporters zurückgedrückt, während der andere Riegel mit zunehmender Entfernung der Säule von der Lagerfläche unter der Wirkung der Federkraft in dem Koppelelement des Transportwagens einrastet. Im Moment der Übernahme, d.h. wenn das Koppelelement der Säule und das Koppelelement des Transportwagens in Eingriff mit dem Koppelelement der Lagerfläche stehen, ist die Lagerfläche durch keinen Riegel gegen Herausheben geschützt. Zudem können Situationen entstehen, in denen das Einschnappen der Riegel unter Federkraft verhindert wird, z.B. wenn die Koppelelemente geringfügig gegeneinander verkantet sind.In the from the EP 457 246 B1 known patient storage system the coupling elements of the bearing surface associated with two spring-loaded latch, one of which locks in the coupling element of the column when the bearing surface is on the column, and the other latch in the coupling element of the transporter engages when the bearing surface is located on the van , In the case of the transfer process, for example, from the transporter to the column by an upward movement of the column, the latched in the coupling element of the trolley latch is pushed back by a control contour of the column and thus unlocks the bearing surface on the trolley. In the same train, the engagement of the other bolt in the coupling element of the column is initially prevented by the presence of the trolley. Only by lifting the bearing surface of the trolley, the second latch can engage with increasing distance from the coupling element of the trolley in the coupling element of the column under the spring preload. In the opposite case, the locked in the coupling element of the column latch is pushed back by a control contour of the transporter, while the other latch engages with increasing distance of the column of the bearing surface under the action of the spring force in the coupling element of the trolley. At the moment of acquisition, ie when the coupling element of the column and the coupling element of the trolley are in engagement with the coupling element of the bearing surface, the bearing surface is protected by no bolt against lifting. In addition, situations may arise in which the snapping of the bolt is prevented by spring force, for example, when the coupling elements are slightly tilted against each other.

Um dieses Problem zu beseitigen und die Sicherheit des Patientenlagersystems zu erhöhen, wird erfindungsgemäß vorgeschlagen, dass die Verriegelungsmittel mindestens ein an einem der Koppelelemente verstellbar angeordnetes Verriegelungselement umfassen, das in der Eingriffsstellung zweier Koppelelemente in eine Aussparung des jeweils benachbarten Koppelelementes eingreift, und dass an den Koppelelementen Steuerkurven ausgebildet sind, durch die das Verriegelungselement beim Übergabevorgang der Lagerfläche von der Stützsäule auf den Transportwagen oder vice versa zwangsweise in die jeweilige Aussparung eingerückt bzw. aus dieser ausgerückt wird. Vorzugsweise ist dabei das jeweilige Verriegelungselement als zweiarmiger drehbar gelagerter Hebel ausgebildet, der zur Wechselwirkung mit den Steuerkurven bestimmte Steuerkanten hat, die entgegengesetzt zum Drehpunkt des Hebels, d.h. an den beiden Hebelarmen angeordnet sind.To eliminate this problem and to increase the safety of the patient support system, the invention proposes that the locking means comprise at least one on one of the coupling elements adjustably arranged locking element which engages in the engaged position of two coupling elements in a recess of the respective adjacent coupling element, and that are formed on the coupling elements cams, through which the locking element during the transfer process of the bearing surface of the support column on the trolley or vice versa forced into the respective recess or disengaged from it. Preferably, the respective locking element is designed as a two-armed rotatably mounted lever which has certain control edges for interaction with the cams, which are opposite to the pivot point of the lever, that are arranged on the two lever arms.

Die erfindungsgemäße Ausführungsform führt dazu, dass das jeweilige Verriegelungselement nicht durch Federdruck in seine Raststellung gelangt, sondern zwangsgeführt wird. Gleichzeitig ist während des Übergabevorganges, d.h. während der Bewegung des Verriegelungselements die Lagerfläche immer zwischen den entgegengesetzt orientierten Steuerkanten gefangen und somit auch zum Zeitpunkt der Übernahme gegen ein Herausheben aus dem jeweiligen Koppelelement gesichert.The embodiment according to the invention results in that the respective locking element does not reach its detent position by spring pressure, but is forcibly guided. At the same time, during the transfer process, i. trapped during the movement of the locking element, the bearing surface always between the oppositely oriented control edges and thus secured at the time of acquisition against lifting out of the respective coupling element.

Vorzugsweise sind auch bei der erfindungsgemäßen Lösung ähnlich wie bei dem oben beschriebenen bekannten Patientenlagersystem an jedem ersten Koppelelement zwei Verriegelungselemente angeordnet, von denen eines zur Verriegelung des ersten Koppelelementes mit dem zweiten Koppelelement und das andere für die Verriegelung des ersten Koppelelementes mit dem dritten Koppelelement bestimmt ist, wobei die Steuerkurven zum Verstellen der Verriegelungselemente an den zweiten und dritten Koppelelementen ausgebildet sind.Preferably, similar to the above-described known patient storage system, two locking elements are arranged on each first coupling element, one of which is intended for locking the first coupling element with the second coupling element and the other for the locking of the first coupling element with the third coupling element , wherein the control cams for adjusting the locking elements are formed on the second and third coupling elements.

Die folgende Beschreibung erläutert in Verbindung mit den beigefügten Zeichnungen die Erfindung anhand eines Ausführungsbeispiels. Es zeigen:

Fig.1
eine schematische Darstellung eines Patientenlagersystems umfassend eine Patientenlagerfläche, einen Transportwagen für eine Lagerfläche und eine Stützsäule für eine Patientenlagerfläche,
Fig.2
eine teilweise schematische Darstellung der drei miteinander zusammenwirkenden Koppelelemente,
Fig.3
einen schematischen Schnitt durch die drei miteinander gleichzeitig in Eingriff stehenden Koppelelemente,
Fig.4
eine teilweise schematische Darstellung eines ersten Koppelelementes allein, das an einem lagerflächenseitigen Teil angeordnet ist,
Fig.5
eine schematische Darstellung der miteinander gleichzeitig in Eingriff stehenden drei Koppelelemente,
Fig.6 und 7
jeweils eine Darstellung der drei Koppelelemente bei der Übergabe der Übergabe der Lagerfläche von der Stützsäule an den Transportwagen und
Fig.8 und 9
jeweils den Fig.6 und 7 entsprechende Darstellungen bei der Übergabe der Lagerfläche von dem Transportwagen auf die Stützsäule.
The following description, in conjunction with the accompanying drawings, illustrates the invention with reference to an embodiment. Show it:
Fig.1
a schematic representation of a patient support system comprising a patient support surface, a trolley for a storage area and a support column for a patient support surface,
Fig.2
a partial schematic representation of the three cooperating coupling elements,
Figure 3
a schematic section through the three mutually simultaneously engaged coupling elements,
Figure 4
a partially schematic representation of a first coupling element alone, which is arranged on a bearing surface side part,
Figure 5
a schematic representation of the mutually engaged three coupling elements,
Fig.6 and 7
in each case a representation of the three coupling elements in the transfer of the transfer of the bearing surface of the support column to the trolley and
8 and 9
each one Fig.6 and 7 corresponding representations in the transfer of the storage area of the trolley on the support column.

Das in der Fig.1 schematisch dargestellte Patientenlagersystem umfasst eine allgemein mit 10 bezeichnete Stützsäule eines Operationstisches mit einem Säulenfuss 12 und einem an diesem höhenverstellbar gelagerten Säulenkopf 14. Die Höhenverstelleinrichtung ist nicht dargestellt. Sie kann in irgendeiner herkömmlichen Weise ausgebildet sein. In der Regel wird dies eine hydraulische oder mechanische Hubeinrichtung sein.That in the Fig.1 schematically illustrated patient support system comprises a generally designated 10 support column of a surgical table with a column base 12 and a height-adjustable mounted on this column head 14. The height adjustment is not shown. It may be formed in any conventional manner. As a rule, this will be a hydraulic or mechanical lifting device.

Links neben der Stützsäule befindet sich ein allgemein mit 16 bezeichneter Transportwagen, der eine Lagerfläche oder Tischplatte 18 des Operationstisches trägt. Der Transportwagen 16 besteht aus zwei Seitenrahmenteilen 20, die durch nicht dargestellte Querholme miteinander verbunden sind, wie dies in der EP 457 246 B1 dargestellt ist. Der Transportwagen 16 kann so an die Stützsäule 10 herangefahren werden, dass diese zwischen den Seitenrahmenteilen 20 liegt.To the left of the support column there is a transport carriage, generally designated 16, which carries a bearing surface or table top 18 of the operating table. The trolley 16 consists of two side frame members 20 which are interconnected by transverse bars, not shown, as shown in the EP 457 246 B1 is shown. The trolley 16 can be moved up to the support column 10 so that it lies between the side frame members 20.

An den Längsseitenrändern der Lagerfläche 18 sind erste Koppelelemente 22 angeordnet, die zum Eingriff in zweite Koppelelemente 24 am Säulenkopf 14 bzw. dritte Koppelelemente 26 an den Seitenrahmenteilen 20 des Transportwagens 16 bestimmt sind, um die Lagerfläche 18 entweder mit der Stützsäule 10 oder dem Transportwagen 16 zu verbinden. Die genauere Ausgestaltung der Koppelelemente und ihre Arbeitsweise soll nun im weiteren näher beschrieben werden.At the longitudinal side edges of the bearing surface 18 first coupling elements 22 are arranged, which are intended for engagement in second coupling elements 24 on the column head 14 and third coupling elements 26 on the side frame members 20 of the trolley 16 to the bearing surface 18 either with the support column 10 or the trolley 16th connect to. The detailed design of the coupling elements and their operation will now be described in more detail below.

In der Fig.2 ist mit 28 ein Verbindungsrahmen bezeichnet, der eine Mittelplatte 30 und zwei an deren Längsenden nach unten abstehende Seitenwangen 32 umfasst, von denen nur eine dargestellt ist. Die Mittelplatte 30 hat auf ihrer Oberseite ein Lager 34 zur Verbindung mit der eigentlichen Patientenlagerfläche 18, die um die quer zu ihrer Längsrichtung verlaufende Lagerachse 36 schwenkbar an dem Verbindungsrahmen 28 gelagert ist. Jede der Wangen 32 trägt auf ihrer Innenseite ein erstes Koppelelement 22. Dieses hat die Gestalt eines breiten Zapfens mit einer Außenkontur 38, sowie eine schlitzförmige Aussparung 40 mit einer Innenkontur 42.In the Fig.2 28 denotes a connecting frame which comprises a central plate 30 and two side cheeks 32 which project downwardly at their longitudinal ends, of which only one is shown. The middle plate 30 has on its upper side a bearing 34 for connection to the actual patient support surface 18, which is mounted on the connecting frame 28 so as to be pivotable about the bearing axis 36 extending transversely to its longitudinal direction. Each of the cheeks 32 carries on its inside a first coupling element 22. This has the shape a wide pin with an outer contour 38, and a slot-shaped recess 40 with an inner contour 42nd

Unterhalb des Verbindungsrahmens 28 befindet sich ein nur teilweise dargestellter Sattel 44, der Teil des Säulenkopfes 14 ist. Er ist ähnlich wie der Verbindungsrahmen 28 C-förmig aufgebaut mit einem Mittelsteg 46 und zwei Seitenteilen 48, von denen nur eines dargestellt ist. Das Seitenteil 48 hat auf seiner Außenseite eine das zweite Koppelelement 24 bildende Aufnahmetasche zur Aufnahme des ersten Koppelelementes 22, wobei die Aufnahmetasche eine der Außenkontur 38 des ersten Koppelelementes 22 angepasste Innenkontur 50 aufweist. Der Mittelsteg 46 trägt nahe seinem jeweiligen Seitenteil 48 auf seiner Oberseite einen Zentrierzapfen 52, der zum Eingriff in eine komplementäre Zapfenaufnahme 54 bestimmt ist, die an der Unterseite der Mittelplatte 30 des Verbindungsrahmens 28 ausgebildet ist.Below the connecting frame 28 is a partially illustrated saddle 44, which is part of the column head 14. It is similar to the connecting frame 28 C-shaped with a central web 46 and two side panels 48, of which only one is shown. The side part 48 has on its outer side a second coupling element 24 forming receiving pocket for receiving the first coupling element 22, wherein the receiving pocket has an outer contour 38 of the first coupling element 22 adapted inner contour 50. The center bar 46 carries near its respective side part 48 on its upper side a centering pin 52 which is intended to engage in a complementary pin receptacle 54 which is formed on the underside of the middle plate 30 of the connecting frame 28.

Bei der Darstellung der Fig.2 ragt in die Aufnahmetasche des zweiten Koppelelementes 24 ein das dritte Koppelelement 26 bildender Führungszapfen, der über einen Sockel 56 an dem Transportwagen 16 befestigt ist und zum Eingriff in die Aussparung 40 des jeweiligen ersten Koppelelementes 22 bestimmt ist. Er hat eine der Innenkontur 42 des ersten Koppelementes 22 entsprechende Außenkontur 58.In the presentation of Fig.2 projects into the receiving pocket of the second coupling element 24, a third coupling element 26 forming guide pin which is secured via a base 56 on the trolley 16 and is intended to engage in the recess 40 of the respective first coupling element 22. He has one of the inner contour 42 of the first coupling element 22 corresponding outer contour 58th

Befinden sich alle drei Koppelelemente 22, 24, 26 bei der Übergabe der Lagerfläche von dem Transportwagen auf die Stützsäule bzw. umgekehrt gleichzeitig in Eingriff miteinander, so sind sie ineinandergeschachtelt, wie dies in der schematischen Darstellung der Fig.3 zu erkennen ist. Der das dritte Koppelelement 26 bildende Zapfen liegt in der Aussparung 40 des ersten Koppelelementes 22, das seinerseits in die das zweite Koppelement 24 bildende Aufnahmetasche eingreift, so dass alle drei Koppelelemente gleichsam in einer Ebene liegen. Dadurch ergibt sich eine quer zur Längsrichtung der Lagerfläche 18 sehr flache Bauweise.Are all three coupling elements 22, 24, 26 in the transfer of the bearing surface of the trolley on the support column or vice versa simultaneously engaged with each other, they are nested, as shown in the schematic representation of Figure 3 can be seen. The pin forming the third coupling element 26 lies in the recess 40 of the first coupling element 22, which in turn engages in the receiving pocket forming the second coupling element 24, so that all three coupling elements lie, as it were, in one plane. This results in a transverse to the longitudinal direction of the bearing surface 18 very flat design.

Die weiteren Vorzüge dieser Anordnung ergeben sich aus der folgenden Beschreibung des Verriegelungsmechanismus, mit dem die Lagerfläche 18 wechselseitig entweder mit dem Säulenkopf 14 oder dem Transportwagen 16 verbunden wird.The further advantages of this arrangement will become apparent from the following description of the locking mechanism, with which the bearing surface 18 is mutually connected either with the column head 14 or the trolley 16.

Fig.4 zeigt eine schematische Draufsicht auf die Innenseite einer Wange 32 des Verbindungsrahmens 28. Man erkennt wiederum das erste Koppelelement 22, an dem nun zwei Verriegelungselemente 60 und 62 verstellbar gelagert sind. Die Verriegelungselemente 60 und 62 sind jeweils in Form eines zweiarmigen Hebels ausgeführt, der um eine Schwenkachse 64 bzw. 66 schwenkbar gelagert ist und durch eine Torsionsfeder 68 bzw. 70 jeweils im Uhrzeigersinn vorgespannt ist. Das Verriegelungselement 60 ist zur Verriegelung der Lagerfläche 18 mit dem Säulenkopf 14 bestimmt. Hierzu ist der eine Hebelarm 72 mit einem Hakenfortsatz 74 versehen, der zum Eingriff in eine Aussparung 76 an der Innenkontur 50 des zweiten Koppelelementes 24 bestimmt ist (Fig.5). Das Verriegelungselement 62 ist zur Verriegelung der Lagerfläche 18 mit dem Transportwagen 16 bestimmt. Hierzu hat der Hebelarm 78 des Verriegelungselementes 62 einen Hakenfortsatz 80, der zum Eingriff in eine Aussparung 82 an der Außenkontur 58 des zapfenförmigen dritten Koppelelementes 26 bestimmt ist (Fig.5). Figure 4 shows a schematic plan view of the inside of a cheek 32 of the connecting frame 28. One recognizes again the first coupling element 22, on which now two locking elements 60 and 62 are adjustably mounted. The locking elements 60 and 62 are each in the form of a two-armed lever, which is pivotally mounted about a pivot axis 64 and 66 and is biased by a torsion spring 68 and 70 respectively in a clockwise direction. The locking element 60 is intended for locking the bearing surface 18 with the column head 14. For this purpose, a lever arm 72 is provided with a hook extension 74 which is intended to engage in a recess 76 on the inner contour 50 of the second coupling element 24 ( Figure 5 ). The locking element 62 is intended for locking the bearing surface 18 with the trolley 16. For this purpose, the lever arm 78 of the locking element 62 has a hook extension 80, which is intended for engagement in a recess 82 on the outer contour 58 of the peg-shaped third coupling element 26 ( Figure 5 ).

Anhand der Fig.5 bis 7 soll nun die Wirkungsweise der Verriegelungselemente bei der Übergabe der Lagerfläche 18 von der Säule 10 auf den Transportwagen 16 beschrieben werden.Based on Fig.5 to 7 will now be described the operation of the locking elements in the transfer of the bearing surface 18 of the column 10 on the trolley 16.

Fig.5 zeigt die drei Koppelelemente 22, 24 und 26 in vollständigem Eingriff miteinander. In diesem Zustand sind beide Verriegelungselemente 60 und 62 in ihre Freigabestellung verschwenkt. Bei dem Verriegelungselement 60 erfolgt dies dadurch, dass der dem Hebelarm 72 entgegengesetzte Hebelarm 84 mit einer Steuerkante 86 an einer an dem dritten Koppelelement 26 ausgebildeten Steuerkurve 88 gleitet und dabei im Gegenuhrzeigersinn verschwenkt wird, wobei das dem Hakenfortsatz 74 des ersten Verriegelungselementes 60 entgegengesetzte Ende 90 des ersten Hebelarmes 72 in eine halbkreisförmige Aussparung 92 in der Außenkontur des dritten Koppelelementes eintaucht, wie dies die Fig.5 zeigt. In gleicher Weise wird das zweite Verriegelungselement 62 im Gegenuhrzeigersinn verschwenkt, indem ein dem Hebelarm 78 entgegengesetzter Hebelarm 94 mit einer Steuerkante 96 an einer an dem zweiten Koppelelementes 24 ausgebildeten Steuerkurve 97 gleitet, wobei wiederum das dem Hakenfortsatz 80 entgegengesetzte Ende 98 des ersten Hebelarmes 78 in eine halbkreisförmige Aussparung 100 in dem zweiten Koppelelemente 24 eintaucht, wie dies Fig.5 zeigt. Figure 5 shows the three coupling elements 22, 24 and 26 in complete engagement with each other. In this state, both locking elements 60 and 62 are pivoted into their release position. In the case of the locking element 60, this takes place in that the lever arm 84 opposite the lever arm 84 slides with a control edge 86 on a control cam 88 formed on the third coupling element 26 and is pivoted counterclockwise, the end 90 opposite the hook extension 74 of the first locking element 60 of the first lever arm 72 dips into a semicircular recess 92 in the outer contour of the third coupling element, as the Figure 5 shows. In the same way, the second locking member 62 is pivoted counterclockwise by a lever arm 78 opposite lever arm 94 slides with a control edge 96 formed on a second coupling element 24 control cam 97, in turn, the hook extension 80 opposite end 98 of the first lever arm 78 in a semicircular recess 100 is immersed in the second coupling elements 24, as this Figure 5 shows.

Bei der Übergabe der Lagerfläche 18 an den Transportwagen 16 wird aus der in der Fig.5 dargestellten Stellung der Säulenkopf 14 der Stützsäule 10 abgesenkt, wie dies in den Fig.6 und 7 zu erkennen ist. Fig.6 zeigt, dass mit Beginn der Abwärtsbewegung des Säulenkopfes 14 und damit des zweiten Koppelelementes 24 das rechte Verriegelungselement 62 unter der Wirkung der an einer Steuerkante 101 des Hebelendes 98 gleitenden Steuerkurve 97 des zweiten Koppelelementes 24 im Uhrzeigersinn verschwenkt wird, so dass der Hakenfortsatz 80 in die Aussparung 82 hineinbewegt wird. Bereits in der in der Fig.6 dargestellten Stellung könnte die Lagerfläche 18 schon nicht mehr von dem Transportwagen 16 abgehoben werden. Wird der Säulenkopf 14 weiter abgesenkt, wie dies die Fig.7 zeigt, so wird der Hakenfortsatz 80 des zweiten Verriegelungselementes 62 vollständig in die Aussparung 82 in dem dritten Koppelelement 26 eingeschwenkt, so dass die Lagerfläche 18 fest an dem Transportwagen 16 verriegelt ist. In dieser Stellung wird der Hakenfortsatz 80 durch die Wirkung der Torsionsfeder 70 gehalten. Umgekehrt würde bei dem Anheben des Säulenkopfes 14 aus der in der Fig.7 dargestellten Stellung das Verriegelungselement 62 im Gegenuhrzeigersinn verschwenkt, so dass die Verriegelung zwischen dem ersten und dem dritten Koppelelement aufgehoben wird.When transferring the bearing surface 18 to the trolley 16 is from in the Figure 5 illustrated position of the column head 14 of the support column 10 is lowered, as shown in the Fig.6 and 7 can be seen. Figure 6 shows that with the beginning of the downward movement of the column head 14 and thus of the second coupling element 24, the right locking element 62 is pivoted clockwise under the action of the sliding at a control edge 101 of the lever end 98 control cam 97 of the second coupling element 24 so that the hook extension 80 in the Recess 82 is moved into it. Already in the in the Figure 6 shown position, the storage area 18 could no longer be lifted from the trolley 16. If the column head 14 is lowered further, as is the Figure 7 shows, the hook extension 80 of the second locking element 62 is completely pivoted into the recess 82 in the third coupling element 26, so that the bearing surface 18 is firmly locked to the trolley 16. In this position, the hook extension 80 by the Effect of the torsion spring 70 held. Conversely, would be in lifting the column head 14 from in the Figure 7 shown position, the locking member 62 is pivoted counterclockwise, so that the lock between the first and the third coupling element is released.

Die Fig.8 und 9 zeigen den Verriegelungsvorgang bei der Übergabe der Lagerfläche 18 von dem Transportwagen 16 auf die Stützsäule 10. In diesem Falle wird ausgehend aus der in Fig.5 dargestellten Stellung der Säulenkopf 14 angehoben, so dass das dritte Koppelelement 26 nach unten aus der Aussparung 40 des ersten Koppelelementes 22 herausgleitet. Gleichzeitig wird dabei das erste Verriegelungselement 60 durch die an einer Steuerkante 103 an dem Hebelende 90 gleitende Steuerkurve 88 an dem dritten Koppelelement 26 zwangsweise im Uhrzeigersinn verschwenkt, so dass der Hakenfortsatz 74 des ersten Verriegelungselementes 60 in die Aussparung 76 in dem säulenseitigen zweiten Koppelelement 24 eingreift, wie dies die Fig.8 zeigt. Wenn das dritte Koppelelement aus dem ersten Koppelelement herausgezogen wird, ist die Lagerfläche 18 fest mit dem Säulenkopf 14 verriegelt, wie dies Fig.9 zeigt. Umgekehrt wird beim Einführen des dritten Koppelelementes 26 in die Aussparung 40 des ersten Koppelelementes 22 das Verriegelungselement 60 im Gegenuhrzeigersinn verschwenkt, so dass die Verriegelung zwischen dem zweiten und dem ersten Koppelelement gelöst wird. Die vorstehende Beschreibung zeigt, dass die beiden Verriegelungselemente 60 und 62 bei den Koppelvorgängen jeweils zwangsweise verschwenkt werden, so dass eine zuverlässige Verriegelung zwischen der Lagerfläche und dem Säulenkopf einerseits und der Lagerfläche und dem Transportwagen andererseits gewährleistet wird.The 8 and 9 show the locking process in the transfer of the bearing surface 18 of the trolley 16 on the support column 10. In this case, starting from the in Figure 5 illustrated position of the column head 14 is raised, so that the third coupling element 26 slides down from the recess 40 of the first coupling element 22. At the same time, the first locking element 60 is forcibly pivoted clockwise by the control cam 88 sliding on a control edge 103 on the lever end 90 on the third coupling element 26, so that the hook extension 74 of the first locking element 60 engages in the recess 76 in the column-side second coupling element 24 like this Figure 8 shows. When the third coupling element is pulled out of the first coupling element, the bearing surface 18 is firmly locked to the column head 14, as Figure 9 shows. Conversely, upon insertion of the third coupling element 26 into the recess 40 of the first coupling element 22, the locking element 60 is pivoted counterclockwise, so that the lock between the second and the first coupling element is released. The above description shows that the two locking elements 60 and 62 are forcibly pivoted in the coupling processes, so that a reliable locking between the bearing surface and the column head on the one hand and the bearing surface and the trolley on the other hand is ensured.

Man erkennt ferner, dass ausgehend von der Stellung gemäß Fig.5, in der beide Verriegelungselemente 60 und 62 in ihre Freigabestellung verschwenkt sind, beim Anheben der Lagerfläche 18 gegenüber dem Säulenkopf und dem Transportwagen beide Verriegelungselemente im Uhrzeigersinn verschwenkt und damit verriegelt würden. Ein Ausheben der Lagerfläche 18 aus der in der Fig.5 dargestellten Stellung wird damit zuverlässig verhindert.It can also be seen that, starting from the position according to FIG Figure 5 in which both locking elements 60 and 62 are pivoted into their release position, pivoted when lifting the bearing surface 18 relative to the column head and the trolley both locking elements in a clockwise direction and would be locked. A lifting of the bearing surface 18 of the in the Figure 5 shown position is thus reliably prevented.

Um eine möglichst reibungsfreie Übergabe der Lagerfläche von der Säule auf den Transportwagen oder umgekehrt zu erreichen, sollten die Koppelelemente 22, 24 und 26 exakt in Flucht miteinander liegen. Sind sie gegeneinander verkantet, kann es zu Funktionsstörungen kommen. Um dies zu vermeiden, ist an dem Sattel 44 innerhalb der Aufnahmetasche des zweiten Koppelelementes 24 ein allgemein mit 102 bezeichneter Sensor angeordnet, der die Stellung des dritten Koppelelementes 26 relativ zum zweiten Koppelelement 24 abtasten soll. Der Sensor besteht aus einer drehbar gelagerten Scheibe 104, die beispielsweise mit einem Potentiometerabgriff verbunden ist und an deren Außenseite ein exzentrisch angeordneter Tastfinger 106 vorgesehen ist. Dieser Tastfinger 106 greift in eine Aussparung 108 ein, die an einer Breitseite des dritten Koppelelementes 26 ausgebildet ist und von zwei Steuerkanten 110 und 112 begrenzt wird. Sind beim Übernahmevorgang Transportwagen 16 und Säulenkopf 14 gegeneinander geneigt, so dass die Koppelelemente 24 und 26 nicht in der gewünschten Form miteinander fluchten, so stößt der Tastfinger 106 gegen eine der Steuerkanten 110, 112. Dadurch wird die Scheibe 104 verdreht. Diese Drehung wird beispielsweise über das angeschlossene Potentiometer erfasst und kann in ein Steuersignal umgewandelt werden, das wiederum der Steuerung des Säulenkopfes 14 zugeführt wird. Dadurch kann der Säulenkopf 14 so verstellt werden, dass das zweite und das dritte Koppelelement aufeinander ausgerichtet werden, um eine reibungsfreie Kopplung zu erlauben.In order to achieve a frictionless transfer of the bearing surface from the column to the trolley or vice versa, the coupling elements 22, 24 and 26 should be exactly in alignment with each other. If they are tilted against each other, malfunctions can occur. To avoid this, a generally designated 102 sensor is arranged on the saddle 44 within the receiving pocket of the second coupling element 24, which is to scan the position of the third coupling element 26 relative to the second coupling element 24. The sensor consists of a rotatably mounted disc 104, which is connected for example with a potentiometer and on the outside of an eccentrically arranged sensing finger 106 is provided. This sensing finger 106 engages in a recess 108, which is formed on a broad side of the third coupling element 26 and is bounded by two control edges 110 and 112. Are the takeover process trolley 16 and column head 14 inclined to each other, so that the coupling elements 24 and 26 are not aligned with each other in the desired shape, so the sensing finger 106 abuts against one of the control edges 110, 112. As a result, the disc 104 is rotated. This rotation is detected, for example via the connected potentiometer and can be converted into a control signal, which in turn is supplied to the control of the column head 14. Thereby, the column head 14 can be adjusted so that the second and the third coupling element are aligned with each other to allow a frictionless coupling.

Claims (3)

  1. Patient bed system, comprising a patient bed (18), a support column (10) for supporting the bed (18) and a trolley (16) for transporting the bed (18), the bed (18) having arranged on it first coupling elements (22) which are intended for selective connection to second or third coupling elements (24, 26) on the support column (10) and on the trolley (16) respectively, locking means (60, 62) being provided on at least one of the coupling elements, in order to lock the first coupling elements (22) alternatively to the second or third coupling elements (24, 26) when the bed (18) is coupled to the support column (10) or to the trolley, and whereby the locking means comprise at least one locking element (60, 62) which is arranged adjustably on one of the coupling elements (22, 24, 26) and which, in the engagement position of two coupling elements (22, 24, 26), engages into a clearance (76, 82) of the coupling element adjacent in each case, characterized in that the coupling elements have formed on them control cams (88, 97), by means of which, during the operation of transferring the bed (18) from the support column (10) onto the trolley (16), or vice versa, the locking element (60, 62) is shifted positively into the clearance or is shifted out of the latter.
  2. Patient bed system according to Claim 1, characterized in that the locking element (60; 62) is designed as a two-armed rotatably mounted lever which has control edges (86, 103; 96, 101) which are intended to interact with the control cams (88; 97) and which are arranged on both sides of the fulcrum (64; 66) of the lever.
  3. Patient bed system according to Claim 2, characterized in that each first coupling element (22) has arranged on it two locking elements (60, 62), of which one is intended for locking the first coupling element (22) to the second coupling element (24) and the other is intended for locking the first coupling element (22) to the third coupling element (26), and in that the control cams (97, 88) are designed for adjusting the locking elements (60, 62) on the second or the third coupling element (24, 26).
EP06123596A 2005-11-14 2006-11-07 Patient support system Active EP1785114B1 (en)

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RU2006139977A (en) 2008-05-20
BRPI0604750B8 (en) 2021-06-22
ES2334379T3 (en) 2010-03-09
US7669258B2 (en) 2010-03-02
US20070118989A1 (en) 2007-05-31
CA2568079A1 (en) 2007-05-14
EP1785114A3 (en) 2007-10-17
KR20070051735A (en) 2007-05-18
EP1785114A2 (en) 2007-05-16
JP4866708B2 (en) 2012-02-01
RU2410070C2 (en) 2011-01-27
BRPI0604750A (en) 2007-08-28
DE502006005167D1 (en) 2009-12-03
PL1785114T3 (en) 2010-03-31
BRPI0604750B1 (en) 2017-05-02
CN1973799A (en) 2007-06-06
ATE446071T1 (en) 2009-11-15
KR101227252B1 (en) 2013-01-28
JP2007136177A (en) 2007-06-07
CN1973799B (en) 2012-07-04

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