EP3856113B1 - Colonne de table destinée à une table d'opération comprenant un mécanisme de renforcement destiné à un guidage cylindrique - Google Patents

Colonne de table destinée à une table d'opération comprenant un mécanisme de renforcement destiné à un guidage cylindrique Download PDF

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Publication number
EP3856113B1
EP3856113B1 EP19783451.8A EP19783451A EP3856113B1 EP 3856113 B1 EP3856113 B1 EP 3856113B1 EP 19783451 A EP19783451 A EP 19783451A EP 3856113 B1 EP3856113 B1 EP 3856113B1
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EP
European Patent Office
Prior art keywords
column
column head
table column
cylindrical guide
longitudinal groove
Prior art date
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Application number
EP19783451.8A
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German (de)
English (en)
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EP3856113A1 (fr
Inventor
Mike Obert
Jan Donat Olszewski
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Maquet GmbH
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Maquet GmbH
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Publication of EP3856113A1 publication Critical patent/EP3856113A1/fr
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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
    • A61G13/06—Adjustable operating tables; Controls therefor raising or lowering of the whole table surface
    • 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
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/121—Head or neck

Definitions

  • the present disclosure relates to table columns for operating tables.
  • Table columns for operating tables are previously known. They usually include a height-adjustable column head, a patient support surface arranged on an upper end of the column head, and a column base for placing the table column on the floor of an operating room. Such a table column is out DE102016125800 known.
  • the patient support surface Before and during an operation, the patient support surface must be brought into a position that facilitates an intervention on the patient.
  • the height of the patient support surface should be adjustable over as wide a range as possible.
  • a patient support surface of an operating table aligned in this way must remain stable in the desired position.
  • various stability systems to increase the stability of the height-adjustable column head is known.
  • An object of the present disclosure is to provide an adjustable table column whose stability and rigidity against twisting about its vertical axis is increased.
  • the offset of the two engaging elements can consist in that at least one of the engaging elements is arranged eccentrically on its main body.
  • the offset of the two engagement elements can also exist in that the main bodies assigned to the engagement elements are arranged offset to one another on the column head support.
  • the engagement elements can be wedge-shaped.
  • the feather keys can be arranged vertically one above the other along the longitudinal axis of the longitudinal groove.
  • Each feather key (26) can be assigned a readjustment device for automatic readjustment of its seat within the longitudinal groove.
  • the readjustment device can be designed to be operated by spring force.
  • each readjustment device can have an adjusting screw for adjusting the spring force.
  • the feather keys can be embedded in holes in the column head beam.
  • the cylindrical guide may include a central unpowered lift cylinder.
  • the lift cylinder may be passively telescoping to follow the movement of the column head as it is elevated.
  • the table column can also include at least one lifting cylinder that can be driven by means of a lifting drive.
  • the table column according to the disclosure can also comprise a connection unit arranged at an upper end of the table column.
  • the connection unit can be used to connect a patient support surface to the table column.
  • the table column can have a plurality of lifting cylinders, it being possible for the cylindrical guide and the lifting cylinders to be connected to the connection unit by means of articulated connections.
  • the cylindrical guide and the lifting cylinders can be designed to incline the connection unit about a longitudinal axis of the patient support surface and to cant about an axis running transversely to the longitudinal axis of the patient support surface.
  • the present table column can further comprise a main lifting device which is telescopically adjustable by means of a drive.
  • the main lifting device can be designed to move vertically the column head support and the cylindrical guide connected to it.
  • the feather keys can be embedded in the column head beam.
  • the engagement elements of the feather keys can be prestressed in the longitudinal groove by means of spring force.
  • the longitudinal groove can be designed to slide over the engagement elements of the feather keys.
  • the main bodies of the present keys can be arranged in the pillar head beam.
  • the longitudinal groove can be designed as a groove extending vertically in the central lifting cylinder of the column head.
  • the longitudinal groove can be used when adjusting the height of the Slide the head of the column vertically in relation to the head of the column using the engaging elements of the keys.
  • the present disclosure also relates to operating tables with the table column defined above, and their use in surgical interventions.
  • FIG. 1 shows an operating table 38 according to the disclosure.
  • This operating table 38 is used for a wide variety of surgical procedures.
  • the patient to be operated on is positioned on the operating table 38 .
  • the operating table 38 comprises, from bottom to top, a base 39, an operating table column 1 and a patient support surface 40.
  • the operating table column 1 sits on the base 39.
  • the patient support surface 40 is detachably attached to the table column 1.
  • the height H of the operating table column 1 can be adjusted. Your internal mechanism is protected by a cover 41.
  • the patient support surface 40 can be pivoted about a tilting axis KK and a tilting axis NN.
  • the patient support surface 40 has a modular structure and can be used in any way expandable. It has the following detachable modules: a head module 40a, two back modules 40b and 40c and two leg modules 40d, 40e.
  • the position of a patient lying on the patient support surface 40 can be changed by raising or lowering the operating table column 1 and/or pivoting the patient support surface 40 about one or both of its pivot axes K-K and N-N.
  • a Cartesian coordinate system X-Y-Z is shown in the figures.
  • the Z-axis is the vertical axis
  • the X-axis and the Y-axis are the horizontal axes.
  • the X-axis runs in the longitudinal direction of the foot 39 from a patient head end of the operating table 38 to the patient foot end thereof, which correspond to the head module 40a and the outer leg module 40e of the patient support surface 40, respectively.
  • the Y axis is perpendicular to the X axis.
  • 2 12 shows an adjustable table column 1 for an operating table according to an embodiment of the present disclosure. More precisely, the 2 the inner workings of the table column 1 1 . Accordingly, the cover 41 is not shown.
  • This table column 1 comprises a height-adjustable column shaft 2 and a connection unit 5 arranged at an upper end of the column shaft 2 for connecting the patient support surface 40 to the table column 1.
  • the column shaft 2 is divided into a lower stationary column shaft base 3 and an upper column shaft trunk 4 movable up and down relative to the column shaft base 3 .
  • the column shaft trunk 4 includes all components located within the section delimited by the dashed line.
  • the column shaft trunk 4 comprises two main weight-bearing components, namely a column head support 6 arranged in a lower portion of the column shaft trunk 4 and a column head 7 supported by the column head support 6 .
  • the two Main components 6, 7 of the column stem 4 also serve as connection elements for adjacent structural components of the table column 1.
  • the pillar head 7 extends between the pillar head carrier 6 and the connection unit 5.
  • the pillar head 7 is divided into a pillar head base 8 and a pillar head adjustment unit 9 which is height-adjustable in relation to the pillar head base 8.
  • connection unit 5 has a rectangular shape and is used for the detachable attachment of the patient support surface 40 to the table column 1.
  • the in 2 table column 1 shown via a main lifting device 10 and an additional lifting device 11.
  • the main lifting device 10 is designed as a first cylindrical telescopic guide 12 .
  • the column head support 6 is attached. With the main lifting device 10, the column shaft stem 4 and thus also the column head carrier 6 can be moved up and down relative to the column shaft base 3.
  • the additional lifting device 11 is designed as a second cylindrical telescopic guide 13 .
  • the connection unit 5 is attached to the upper end of the second telescopic guide 13 .
  • the column head adjustment unit 9 can be moved up and down relative to the column head base 8 parallel to the Z-axis ( 2 ).
  • the additional lifting device 11 of the column head 7 is simultaneously a tilting device 16 and a tilting device 17.
  • the connection unit 5 With the tilting device 16, the connection unit 5 can be tilted about the Y-axis.
  • the connection unit 5 can be tilted about the X-axis with the tilting device 17 . All adjustment movements are individually but also possible combined with each other in any way. As a result, the edging and the inclination of the patient support surface 40 can be easily adjusted.
  • the construction of the column head 7 enables a height adjustment of the connection unit 5 along the Z-axis (translational degree of freedom) and its pivoting about the X- and Y-axis (two rotational degrees of freedom).
  • a displacement of the column head adjustment unit 9 parallel to the X and Y axes and a rotation about the Z axis must be excluded.
  • the device 11, 16, 17 designed for lifting, edging and tilting comprises a group of four lifting cylinders 14, 15 adjustable along the vertical Z-axis, each of which is arranged in external cylindrical guides 18 ( 2 ).
  • a central lifting cylinder 14 is surrounded by three peripheral lifting cylinders 15 .
  • the peripheral lifting cylinders 15 are spaced apart from one another and their upper ends are each connected to the underside of the connection unit 5 by means of a joint 19 .
  • the two opposing lifting cylinders 15 belong to the tilting device 16.
  • the remaining third lifting cylinder 15 belongs to the tilting device 17.
  • the connection unit 5 is articulated to the central lifting cylinder 14 via a central joint 20.
  • the joint 20 is, for example, a cardan ball joint or a cardanic universal joint.
  • the table column 1 shown also includes a lifting drive 21 for adjusting the height of the column head 7 in relation to the column head support 6.
  • each of the three extendable peripheral lifting cylinders 15 has its own, for example electronically controlled, linear motor drive 21.
  • the three linear motor drives 21 are positioned in a housing in the column head base 8 and each have a brake with a sensor 22 .
  • the inside 2 shown central lifting cylinder 14 does not have its own drive. In other embodiments of the table column 1, however, the central lifting cylinder 14 can have its own drive.
  • connection unit 5 or a patient support surface 40 connected to it can be inclined by different adjusting movements or their edging can be changed.
  • the height of the connection unit 5 can be changed, i.e. it can be raised or lowered without changing its edge or inclination.
  • figure 3 shows a side view of the table column 1 2 , in which the connection unit 5 is inclined about the Y-axis.
  • a cylindrical guide 23 can be seen there, which connects the column head adjustment unit 9 of the column head 7 to the column head carrier 6 .
  • the cylindrical guide 23 has two main components. On the column head adjustment unit 9 side, this is a movable cylinder. This is the central lifting cylinder 14. On the side of the column head support 6, it is a cylindrical guide hole 37 complementary to the central lifting cylinder 14, see FIG 2 .
  • the central lifting cylinder 14 is accommodated in the cylindrical guide hole 37 and can be moved out of it and into it again.
  • One task of the central lifting cylinder 14 together with the joint 20 is to block unwanted translation and rotation of the column head adjustment unit 9 along the X and Y axes and around the Z axis.
  • the construction of the column head 7 according to the disclosure is designed in such a way that the functionality of the inclination device 16 and the tilting device 17 is not impaired.
  • the cylindrical guide 23 includes a groove 24 and a stability bar 25 together with two feather keys 26, see 3 .
  • FIG. 4 shows in a schematic longitudinal sectional view along the line II 3 the stability bar 25 together with the two feather keys 26 interacting with the longitudinal groove 24 of the central lifting cylinder 14.
  • the groove 24 is designed as a slot-like longitudinal groove which extends parallel to the Z-axis in the lateral surface of the central lifting cylinder 14 .
  • the stability bar 25 is a vertically oriented plate designed to increase the stability of the cylindrical guide 23 ( 3 ). You can essentially have a cuboid shape.
  • the stability bar 25 includes two spaced-apart bores 32a for receiving adjusting screws 31 (cf. Figures 4 and 5 ). It is fastened to the column head support 6 at its two opposite ends by means of two fastening elements 34 .
  • a feather key is a machine element that is used to create a positive connection between two components.
  • the feather keys 26 and the groove 24 together form a tongue and groove connection.
  • the keys 26 are inserted with an engagement side 28 into the keyway 24 of the cylinder 14 designed for this purpose.
  • the feather keys 26 are fixed in bores 32b of the column head support 6, while the engagement section 28 of each key 26 received in a form-fitting manner in the groove 24 can slide in a longitudinal direction of this keyway 24 when the cylinder 14 is displaced relative to the column head support 6.
  • each key 26 can be permanently mounted to the column head support 6 and at the same time have a sliding fit in the cylinder 14 .
  • Such an arrangement of each feather key 26 ensures a stable extension and retraction of the cylinder 14 from the column head support 6 surrounding it.
  • the feather keys 26 of the cylindrical guide 23 are let into bores 32b of the column head support 6 . Its function is to lock the rotation of the center lift cylinder 14 about the center Z-axis.
  • the feather keys 26 are arranged vertically one above the other along a longitudinal axis of the longitudinal groove 24 .
  • Each of the two feather keys 26 comprises an elongate main body 27 with a particularly rectangular longitudinal section and an engagement element 28.
  • the main body 27 extends along a longitudinal axis AA.
  • the engagement element 28 is wedge-shaped and has a flat tip. It protrudes along a direction of engagement ( Figures 4-6 ).
  • the engaging member 28 of the disclosure may be spherical, conical, triangular, rectangular, or semi-cylindrical in shape.
  • Other shapes of the engagement elements 28 are conceivable which are sufficiently complementary to the groove 24 and ensure the sliding of the engagement elements 28 along the groove 24 .
  • the main body 27 of the feather key 26 can, for example, be cylindrical or rectangular or have another basic shape that does not impair its functionality.
  • the two engagement elements 28 of the feather keys 26 engage in the longitudinal groove 24 in order to secure the central lifting cylinder 14 against rotation about its longitudinal axis ZZ (see double file V).
  • the cylindrical guide 23 of the present disclosure designed in this way is provided for the controlled height adjustment of the column head 7 . It is part of the second cylindrical telescopic guide 13 of the column head 7. It enables the central lifting cylinder 14 to be moved in and out of the column head support 6.
  • each key 26 is also assigned a readjustment device 29 for automatic readjustment of its seat within the longitudinal groove 24 of the central lifting cylinder 14 .
  • Each readjustment device 29 is operated by spring force.
  • it has a central, in particular T-shaped, body 36 and a set of adjacent disc springs 30 which are arranged concentrically around the body 36 and produce a preload.
  • the setting of the spring force can be checked by means of an adjusting screw 31 of the readjustment device 29 accommodated in the bore 32a of the stability strip 25 ( Figures 4 and 5 ).
  • the set screw 31 is arranged at the outer end of the main body 27 and directed in the engaging direction of the key 26 .
  • the engagement elements 28 of the keys 26 in the desired position in the longitudinal groove 24 is held.
  • the plate springs 30 ensure automatic readjustment so that the connection between the groove 24 and the engagement element 28 is still present and there is torsional backlash in the central lifting cylinder 14 the Z-axis cannot arise.
  • a lifting cylinder 14 stabilized in this way is connected to the underside of the connection unit 5 by means of the cardan joint 20, and the connection unit 5 is at the same time pivotably connected to the peripheral lifting cylinders 15 via the joints 19, there is also a simultaneous stabilization of the peripheral lifting cylinders 15 of the second cylindrical telescopic guide 13 against pivoting about the Z-axis.
  • the engagement elements 28 of the feather keys 26 are arranged offset to one another transversely to the longitudinal axis of the longitudinal groove 24 . Such an offset is realized in the example shown in that at least one of the engagement elements 28 is arranged eccentrically on its main body 27 ( figure 5 and 6 ).
  • FIG. 6 and 7 1 shows the longitudinal axis AE-AE of an engaging member 28 offset parallel relative to the longitudinal axis AA of the associated main body 27 by a few tenths of a millimeter, such as at least 0.1 mm or at least 0.3 mm.
  • the longitudinal axis AE-AE does not have a common point of intersection with the central ZZ axis of the lifting cylinder 14.
  • the offset can be achieved in that the main bodies 27 associated with the engagement elements 28 are arranged on the column head carrier 2 with an offset relative to one another.
  • the present disclosure relates to cylindrical guides 23 having a plurality of keys 26, e.g. B. two, three or at least two keys 26 include.
  • the entire bodies of the keys 26 are arranged one below the other in the direction of the vertical axis Z-Z of the lift cylinder 14 (a so-called vertical arrangement), while each of the keys 26 has an engaging element 28 which engages with a groove 24 of the lift cylinder 14.
  • each of the keys 26 has an engaging element 28 which engages with a groove 24 of the lift cylinder 14.
  • only the main bodies 27 of the keys 26 but not the corresponding engaging elements 28 are fully vertically oriented.
  • the longitudinal axis AE-AE of the engagement element 28 of a first key 26 may be offset parallel in a first direction relative to the longitudinal axis A-A of the main body 27 of the first key 26 .
  • the longitudinal axis AE-AE of the engagement element 28 of a second key 26 can either be aligned coaxially with respect to the longitudinal axis A-A of the associated second main body 27 (no offset), or the longitudinal axis AE-AE of the engagement element 28 of the second key 26 can be in a second direction, which is different from the first direction, may be staggered in parallel with respect to the longitudinal axis A-A of the second main body 27.
  • all but one of the keys 26 may be aligned in the direction of the vertical axis Z-Z of the lift cylinder 14, while a single key 26 is laterally offset relative to a key 26 disposed above or below it.
  • adjacent engagement elements 28 or feather keys 26 can, for. B. in relation to side surfaces or tips of adjacent engagement elements 28 at least 0.1 mm, at least 0.3 mm, 0.1 to 3.0 mm or 0.3 to 1.0 mm.
  • adjacent engagement members 28 may each taper toward or be biased toward either of the two longitudinal sides of the groove 24 to exert a stabilizing tension against those two sides of the groove 24 .
  • two feather keys 26 are each let into bores 32b of the column head support 6 running perpendicularly to the vertical axis Z-Z of the lifting cylinder 14 .
  • Both feather keys 26 can comprise asymmetrically designed engagement elements 28 which are oriented differently and, for example, point laterally in opposite directions.
  • two feather keys 26 are each let into bores 32b of the column head support 6 running perpendicularly to the vertical axis Z-Z of the lifting cylinder 14 .
  • the first key 26 is symmetrical and the second key 26 is asymmetrical, so that the second key 26 comprises an engagement element 28 whose longitudinal axis AE-AE is offset parallel to the longitudinal axis A-A of the main body 27 of this key 26.
  • two keyways 26 are embedded in bores of the column head support 6, which are slightly offset relative to the perpendicular orientation of the bores 32b already described. As a result, the respective engagement elements 28 of the two feather keys 26 are also slightly offset from one another.
  • the keys 26 disclosed herein take a variety of forms and configurations, such as simple or complex keys 26 connected to a column head support 6 and adapted for sliding movement in a groove 24 .
  • the keys 26 may optionally be biased toward and into the groove 24 itself by a spring or other biasing member. Such a preload ensures a self-adjusting function of the key position.
  • the position of the keys 26 can be adjusted axially in the direction of the groove 24 and in an opposite direction. This is done either directly or by adjusting a pressure applied to the biasing member, which in turn forces the key 26 into the groove 24 and biases. Adjustment can be made using a threaded device such as a screw.
  • the feather keys 26 can be positioned by being accommodated in bores 32a and/or stability strips 25 or using other components.
  • the feather keys 26 can be arranged vertically adjacent to one another, with the vertical distance between the two feather keys 26 being able to be in a range of up to 5 cm and in particular in a range of up to 1 cm.
  • the cylindrical guide 23 is used in various applications. It can be used, for example, to stiffen telescopic elements that have a shape that deviates from the cylindrical shape.
  • the cylindrical guide 23 is also used in lifting cylinders 14, 15, which perform a motor-assisted lifting movement or have no direct drive but have a guiding function.
  • the cylindrical guide 23 is also used in operating tables 38 and table columns 1 with different numbers of height-adjustable lifting cylinders 14, 15.
  • the greatest advantage of the design of the table column 1 according to the invention is the complete elimination of the undesired torsional play in the direction of rotation about the Z-axis.
  • Known cylindrical guide systems for table columns, which are equipped with turnstiles, are either not free of play or not self-adjusting.

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Claims (15)

  1. Colonne de table (1) destinée à une table d'opération (38), comprenant :
    - un support de tête de colonne (6) ; caractérisé par
    - une tête de colonne (7) logée dans le support de tête de colonne (6) et réglable en hauteur par rapport à celui-ci,
    - un entraînement de levage (21) pour régler la hauteur de la tête de colonne (7) par rapport au support de tête de colonne (6) ; et
    - un guidage cylindrique (23) qui relie la tête de colonne (7) au support de tête de colonne (6) et sert à guider verticalement la tête de colonne (7) lors du réglage de sa hauteur,
    dans laquelle le guidage cylindrique (23) comprend une rainure longitudinale (24) et deux clavettes (26) venant en prise dans celle-ci afin de bloquer le guidage cylindrique (23) contre une rotation autour de son axe vertical,
    et dans laquelle chaque clavette (26) comporte un corps principal (27) et un élément d'engagement (28) faisant saillie le long d'une direction d'engagement et qui vient en prise dans la rainure longitudinale (24) dans la direction d'engagement, dans laquelle les éléments d'engagement (28) des deux clavettes (26) sont disposés décalés l'un par rapport à l'autre transversalement à l'axe longitudinal de la rainure longitudinale (24), de sorte qu'une précontrainte est générée dans le guidage cylindrique (23) transversalement à l'axe longitudinal de la rainure longitudinale (24).
  2. Colonne de table selon la revendication 1, dans laquelle le décalage des deux éléments d'engagement (28) consiste en ce qu'au moins un des éléments d'engagement (28) est disposé de manière excentrée sur son corps principal (27).
  3. Colonne de table selon la revendication 1, dans laquelle le décalage des deux éléments d'engagement (28) consiste en ce que les corps principaux (27) associés aux éléments d'engagement (28) sont disposés décalés l'un par rapport à l'autre sur le support de tête de colonne (6).
  4. Colonne de table selon l'une des revendications précédentes, dans laquelle les éléments d'engagement (28) sont en forme de coin.
  5. Colonne de table selon l'une des revendications précédentes, dans laquelle les clavettes (26) sont disposées verticalement les unes au-dessus des autres le long de l'axe longitudinal de la rainure longitudinale (24).
  6. Colonne de table selon l'une des revendications précédentes, dans laquelle un dispositif de réajustement (29) est associé à chaque clavette (26) pour le réajustement automatique de son siège à l'intérieur de la rainure longitudinale (24).
  7. Colonne de table selon la revendication 6, dans laquelle chaque dispositif de réajustement (29) est actionné par la force de ressort.
  8. Colonne de table selon la revendication 7, dans laquelle chaque dispositif de réajustement (29) comporte un ensemble de ressorts à disques (30).
  9. Colonne de table selon la revendication 7 ou 8, dans laquelle chaque dispositif de réajustement (29) comporte une vis de réglage (31) pour régler la force de ressort.
  10. Colonne de table selon l'une des revendications précédentes, dans laquelle les clavettes (26) sont encastrées dans des alésages (32b) du support de tête de colonne (6).
  11. Colonne de table selon l'une des revendications précédentes, dans laquelle le guidage cylindrique (23) comporte un cylindre de levage central 14 non entraîné qui est passivement réglable télescopiquement pour suivre le mouvement de la tête de colonne (7) lors du réglage de sa hauteur, et dans laquelle la colonne de table (1) comporte en outre au moins un cylindre de levage (15) qui peut être entraîné au moyen de l'entraînement de levage (21).
  12. Colonne de table selon l'une des revendications précédentes, comportant en outre :
    - une unité de raccordement (5) agencée à une extrémité supérieure (la) de la colonne de table (1) pour relier une surface de support du patient (40) à la colonne de table (1) ; et
    - une pluralité de cylindres de levage (15) ;
    dans laquelle le guidage cylindrique (23) et les cylindres de levage (15) sont reliés à l'unité de raccordement (5) au moyen de joints articulés (19, 20) ; et dans laquelle le guidage cylindrique (23) et le cylindre de levage (15) sont conçus pour incliner l'unité de raccordement (5) autour d'un axe longitudinal de la surface de support du patient (40) et pour incliner un axe s'étendant transversalement à l'axe longitudinal de la surface de support du patient (40).
  13. Colonne de table selon l'une des revendications précédentes, comportant en outre un dispositif de levage principal (10) qui est réglable télescopiquement au moyen d'un entraînement, dans laquelle le dispositif de levage principal (10) est conçu pour régler le support de tête de colonne (6) et le guidage cylindrique (23) relié à celui-ci verticalement.
  14. Colonne de table selon l'une des revendications précédentes, dans laquelle les clavettes (26) sont encastrées dans le support de tête de colonne (6) et les éléments d'engagement (28) des clavettes (26) sont précontraints dans la rainure longitudinale (24) au moyen d'une force de ressort, et dans laquelle la rainure longitudinale (24) est conçue pour coulisser sur les éléments d'engagement (28) des clavettes (26).
  15. Colonne de table selon l'une des revendications précédentes, dans laquelle les corps principaux (27) des clavettes (26) sont agencés dans le support de tête de colonne (6) ; dans laquelle la rainure longitudinale (24) est une rainure s'étendant verticalement dans le cylindre de levage central (14) de la tête de colonne (7), et dans laquelle la rainure longitudinale (24) coulisse verticalement sur les éléments d'engagement (28) des clavettes (26) lors du réglage en hauteur de la tête de colonne (7) par rapport au support de tête de colonne (6).
EP19783451.8A 2018-09-28 2019-09-26 Colonne de table destinée à une table d'opération comprenant un mécanisme de renforcement destiné à un guidage cylindrique Active EP3856113B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018124135.6A DE102018124135A1 (de) 2018-09-28 2018-09-28 Tischsäule für einen Operationstisch mit Versteifungsmechanismus für eine zylindrische Führung
PCT/EP2019/075976 WO2020064902A1 (fr) 2018-09-28 2019-09-26 Colonne de table destinée à une table d'opération comprenant un mécanisme de renforcement destiné à un guidage cylindrique

Publications (2)

Publication Number Publication Date
EP3856113A1 EP3856113A1 (fr) 2021-08-04
EP3856113B1 true EP3856113B1 (fr) 2022-09-07

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EP19783451.8A Active EP3856113B1 (fr) 2018-09-28 2019-09-26 Colonne de table destinée à une table d'opération comprenant un mécanisme de renforcement destiné à un guidage cylindrique

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US (1) US20220040022A1 (fr)
EP (1) EP3856113B1 (fr)
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CN (1) CN112969438A (fr)
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GB2567657B (en) * 2017-10-18 2019-10-23 Eschmann Holdings Ltd Surgical tables

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US1346586A (en) * 1917-09-28 1920-07-13 John V Mcmanis Table-supporting mechanism
GB728093A (en) * 1952-01-24 1955-04-13 Air Reduction Improvements in surgical operating table
US3653302A (en) * 1969-03-24 1972-04-04 Leo J Notenboom Hydraulic lift mechanism
US3604683A (en) * 1969-07-10 1971-09-14 John R Sutton Jacking mechanisms
US4300782A (en) * 1979-11-13 1981-11-17 Pioth Michael J Stretcher
DE3609605A1 (de) * 1986-03-21 1987-09-24 Festo Kg Linearmotor
DE4423402C2 (de) * 1994-07-04 1999-12-30 Maquet Ag Stützsäule zur Halterung einer Patientenlagerfläche
US5568982A (en) * 1994-10-14 1996-10-29 Festo Kg Linear drive
JP4033501B2 (ja) * 1995-10-20 2008-01-16 日本トムソン株式会社 直動転がり軸受
JP3796639B2 (ja) * 1997-09-19 2006-07-12 Ｓｍｃ株式会社 流体圧シリンダ
USD461733S1 (en) * 2001-03-22 2002-08-20 Smc Kabushiki Kaisha Fluid pressure cylinder
US7127982B2 (en) * 2005-03-04 2006-10-31 Festo Corporation Linear drive with non-rotating piston
JP5189631B2 (ja) * 2010-09-29 2013-04-24 日本トムソン株式会社 回転機構付きボールスプライン
CA2875657C (fr) * 2012-06-04 2021-02-23 Aero Controlex Group Inc. Ensemble verin de deploiement
DE102014109377B4 (de) * 2014-07-04 2017-11-16 MAQUET GmbH Vorrichtung zur Höhenverstellung eines Operationstischs und Operationstisch mit einer derartigen Vorrichtung
DE102014109375A1 (de) * 2014-07-04 2016-01-07 MAQUET GmbH Operationstischsäule für einen Operationstisch
DE102016125800A1 (de) * 2016-12-28 2018-06-28 MAQUET GmbH Operationstischsäule mit Stabilisierungsführung

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EP3856113A1 (fr) 2021-08-04
WO2020064902A1 (fr) 2020-04-02
CN112969438A (zh) 2021-06-15
JP2022502185A (ja) 2022-01-11
DE102018124135A1 (de) 2020-04-02
WO2020064902A8 (fr) 2021-05-14
US20220040022A1 (en) 2022-02-10

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