EP3562457B1 - Colonne de table d'opération munie d'un guide de stabilisation - Google Patents

Colonne de table d'opération munie d'un guide de stabilisation Download PDF

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Publication number
EP3562457B1
EP3562457B1 EP17822333.5A EP17822333A EP3562457B1 EP 3562457 B1 EP3562457 B1 EP 3562457B1 EP 17822333 A EP17822333 A EP 17822333A EP 3562457 B1 EP3562457 B1 EP 3562457B1
Authority
EP
European Patent Office
Prior art keywords
guide
column
head support
table column
coupling device
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.)
Active
Application number
EP17822333.5A
Other languages
German (de)
English (en)
Other versions
EP3562457A1 (fr
Inventor
Mike Obert
Jan Donat Olszewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maquet GmbH
Original Assignee
Maquet GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maquet GmbH filed Critical Maquet GmbH
Priority to PL17822333T priority Critical patent/PL3562457T3/pl
Publication of EP3562457A1 publication Critical patent/EP3562457A1/fr
Application granted granted Critical
Publication of EP3562457B1 publication Critical patent/EP3562457B1/fr
Active legal-status Critical Current
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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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a table column for an operating table according to the preamble of claim 1.
  • Such a table column is from the document originating from the applicant's company DE 10 2014 109 377 A1 (E1) known.
  • the operating table column described in this document has a pivotable perforated disk 36, by means of which compensating movements between the secondary guide 34a and the main guide 32 are possible, see Figure 5b and ⁇ 54.
  • the disk 36 is coupled to the chassis 38.
  • the disadvantage here is that the entire secondary guide 34a moves relative to the main guide 32 during a compensating movement.
  • the compensation movement takes place only within a predetermined plane, see Figure 5b .
  • the table column 2 comprises a column base 4, a height-adjustable column head support 6, a lifting drive 7 and a cylindrical main guide 10.
  • the table column 2 can be attached to the floor of an operating room by means of its foot 4. Alternatively, the table column can also be moved on the floor.
  • the upper structures of the table column, not shown, are attached to the column head support 6.
  • the column head support 6 can be moved up and down in relation to the column base 4. This is done by actuating the lifting drive 7.
  • the cylindrical main guide 10 is provided for controlled height adjustment.
  • the example shown is a telescopic guide.
  • Leave here an outer telescopic cylinder 11 and an inner telescopic cylinder 12 extend and retract into a common guide base 14.
  • each telescopic cylinder 11, 12 has longitudinal grooves 16 that interact with keys 18.
  • the documents DE 2 715 061 A1 and JP 2014-039593 A relate to known lifting devices for dental chairs.
  • Another object of the invention is to provide a table column with a structurally simpler and better solution for preventing a stabilizing guide from jamming.
  • the column head support is guided at a second point along the vertical axis. This prevents even a slight rotation of the telescopic cylinders 11, 12.
  • the Figure 3 shows parts of an operating table column 2 according to the invention.
  • the parts shown are a column base 4, a lifting drive 7, a column head support 6, a cylindrical main guide 10 and a stabilizing guide 20 according to the invention.
  • a Cartesian coordinate system XYZ is drawn in for better illustration.
  • the Z-axis is the vertical axis, the X-axis the horizontal longitudinal axis and the Y-axis the horizontal transverse axis.
  • the axis of rotation ZZ of the telescopic cylinders 11 and 12 runs in the vertical direction.
  • the direction along the axis of rotation ZZ is referred to as the axial direction, the direction along the circumference of the telescopic cylinders as the circumferential direction, and a direction along a radius of the telescopic cylinders 11, 12 as the radial direction R (see the arrow in FIG Fig. 3 ).
  • the column base 4, the column head support 6, the lifting drive 7 and the main guide 10 are identical to the corresponding ones in FIG Figures 1 and 2 parts shown and are therefore not described again.
  • the stabilization guide 20 extends in the vertical Z direction along a longitudinal axis AA. It is a rolling element linear guide, preferably in a backlash-free, prestressed design. Alternatively, the rolling element linear guide can also be replaced by a suitable sliding guide, for example a dovetail guide that is adjustable without play.
  • the stabilization guide 20 comprises a fastening bracket 21, a guide rail 22 arranged on the fastening bracket 21, a guide carriage 23 guided on the guide rail 22, and a coupling device 24.
  • the mounting bracket 21 has a mounting side 21.3 and a guide side 21.4.
  • the fastening side 21.3 and the guide side 21.4 extend at an angle to one another.
  • the guide side 21.4 extends with an upper side end 21.5 upward beyond the fastening side 21.3.
  • the fastening side 21.3 is thus shortened compared to the guide side 21.4 in order to avoid a collision with parts of the operating table (not shown) when the table column 2 is moved.
  • the stabilizing guide 20 is fixed to the column base 4 via a lower side end 21.1 of the fastening side 21.3. More precisely, the lower end of the page 21.1 has holes 21.2 (see Fig. 4 ), by means of which the mounting bracket 21 can be screwed to the column base 4.
  • the mounting bracket 21 is designed so that it has the highest possible rigidity, so it is made as solid as possible in the space available.
  • the fastening bracket 21 can also be integrated into the guide base 14 or the column base 4.
  • the guide rail 22 is attached to an inner surface 21.6 of the guide side 21.4.
  • the longitudinal axis of the guide rail runs in the vertical Z direction.
  • the guide rail 22 extends into the upper side end 21.5.
  • the guide rail 22 has a rail foot 22.1 which rests on the inner surface 21.6.
  • the rail head 22.2 is spaced from the inner surface 21.6.
  • the rail foot 22.1 and the rail head 22.2 are connected to one another via a rail web 22.3.
  • the rail web 22.3 extends from the rail foot 22.1 to the rail head 22.2 in the radial direction R with respect to the cylindrical main guide 10 (see FIG Fig. 3 ).
  • the arrangement of the mounting bracket 21 and the linear guide shown in the figures were selected in order to achieve the best possible integration into the specified To achieve installation space and good accessibility during assembly.
  • the arrangement of a stabilization guide 20 according to the invention can be varied.
  • the stabilization guide 20 is mechanically coupled to the pillar head support 6 via its coupling device 24.
  • the coupling device 24 allows compensating movements between the cylindrical main guide 10 and the stabilization guide 20 to prevent the stabilization guide from jamming.
  • the coupling device 24 comprises, from top to bottom, a bearing holder 24.1, a bearing housing 24.2 fastened to the bearing holder, a self-aligning ball bearing 24.3 arranged in the bearing housing 24.2, which is preferably used in a play-free, prestressed version, and a bearing flange 24.4 mounted on the guide carriage 23.
  • the bearing flange 24.4 has a base body 24.5 and a bearing pin 24.6 protruding therefrom.
  • the self-aligning ball bearing 24.3 is mounted displaceably about the bearing pin 24.6 along a translation axis Q (see double arrow).
  • the self-aligning ball bearing 24.3 has an inner ring 24.7, an outer ring 24.8 and a pair of rows of balls 24.9.
  • the outer ring 24.8 can pivot about the three axes of rotation X, Y and Z relative to the inner ring 24.7.
  • the outer ring 24.8 of the self-aligning ball bearing 24.3 is pressed into the bearing housing 24.2 for axial fixing.
  • the self-aligning ball bearing can be replaced by a ball joint designed as a plain bearing.
  • the stabilizing guide 20 is attached to the periphery P of the column head support 6 via the bearing holder 24.1, see Fig. 4 .
  • the mode of operation of the stabilization guide 20 will now be explained.
  • the column head support 6 When the column head support 6 is raised and lowered, it is guided vertically both by the main guide 10 and by the stabilizing guide 20.
  • the remaining torsional backlash of the telescopic cylinders 11 and 12, as described above, is eliminated by the additional stabilization guide 20 neutralized.
  • the self-aligning ball bearing 24.3 and its displaceable mounting on the bearing pin 24.6 ensure that no overdetermination occurs.
  • any insufficient parallelism between the vertical alignment of the main guide 10 and the vertical alignment of the stabilization guide 20 does not lead to the guide carriage 23 jamming on the guide rail 22, but is caused by pivoting the outer ring 24.8 of the self-aligning ball bearing 24.3 and / or shifting the self-aligning ball bearing 24.3 caught on the journal 24.6.
  • the longitudinal axis AA of the stabilizing guide 20 and the longitudinal axis ZZ of the main guide 10 do not have to be exactly parallel thanks to the coupling device 24. This simplifies the manufacture and assembly of the operating table column 2 according to the invention.
  • any minimal play in the self-aligning ball bearing 24.3 does not have any notable effect on the stability of a patient support surface mounted on the table column.
  • the table column according to the invention finds a particularly preferred application in an operating table that is equipped with surgical robot arms.
  • an operating table that is equipped with surgical robot arms.
  • the robot arms attached to the operating table are dependent on a particularly stationary table so that they can work precisely and reliably when operating on a patient.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Machine Tool Units (AREA)

Claims (11)

  1. Colonne de table (2) destinée à une table d'opération, comprenant :
    - une base de colonne (4) pour raccorder la colonne de table à un sol ;
    - un support de tête de colonne (6) réglable en hauteur, pour soutenir la tête de colonne ;
    - un entraînement de levage (7) pour régler la hauteur du support de tête de colonne par rapport à la base de colonne ;
    - un guide principal cylindrique (10) qui relie le support de tête de colonne (6) à la base de colonne (4) et qui sert à guider verticalement le support de tête de colonne (6) lorsque sa hauteur est réglée ; et
    - un guide de stabilisation supplémentaire (20) qui relie également le support de tête de colonne (6) à la base de colonne (4) et qui sert à guider verticalement le support de tête de colonne lorsque sa hauteur est réglée, et qui réduit le jeu de rotation dans le guide principal (10),
    caractérisée en ce que :
    - le guide de stabilisation (20) est accouplé mécaniquement au support de tête de colonne (6) par l'intermédiaire d'un dispositif d'accouplement (24), le dispositif d'accouplement (24) permettant des mouvements compensatoires entre le guide principal cylindrique (10) et le guide de stabilisation (20) pour empêcher le guide de stabilisation de se coincer, et
    - le dispositif d'accouplement (24) présente plusieurs composants, et les mouvements compensatoires sont permis par le caractère pivotant d'un premier composant (24.8) par rapport à un deuxième composant (24.7) autour de trois axes rotatifs différents (X, Y, Z) ainsi que par le caractère coulissant d'un troisième composant (24.3) par rapport à un quatrième composant (24.6) le long d'un axe de translation (Q).
  2. Colonne de table (2) selon la revendication 1, dans laquelle le dispositif d'accouplement (24) comprend un roulement à billes à rotule (24.3) ou une articulation à bille pour permettre les mouvements compensatoires.
  3. Colonne de table (2) selon la revendication 2, dans laquelle le dispositif d'accouplement (24) présente un tourillon (24.6) autour duquel le roulement à billes à rotule (24.3) est monté de manière coulissante.
  4. Colonne de table (2) selon l'une des revendications précédentes, dans laquelle le guide de stabilisation (20) comprend un rail de guidage (22) fixé à la base de colonne (4) et une glissière de guidage (23) guidée sur le rail de guidage et fixée au support de tête de colonne.
  5. Colonne de table (2) selon la revendication 4, dans laquelle la glissière de guidage (23) est fixée au support de tête de colonne par l'intermédiaire du dispositif d'accouplement (24).
  6. Colonne de table (2) selon les revendications 5 et 3, dans laquelle la glissière de guidage (23) est fixée au support de tête de colonne (6) par l'intermédiaire du tourillon (24.6) du dispositif d'accouplement, lequel tourillon est disposé sur la glissière de guidage.
  7. Colonne de table (2) selon l'une des revendications 4 à 6, dans laquelle l'axe longitudinal du rail de guidage (22) s'étend dans la direction verticale (Z).
  8. Colonne de table (2) selon l'une des revendications 4 à 7, dans laquelle l'âme de rail (22.3) du rail de guidage s'étend de la base de rail (22.1) à la tête de rail (22.2) dans la direction radiale (R) par rapport au guide principal cylindrique (10).
  9. Colonne de table (2) selon l'une des revendications précédentes, dans laquelle le guide de stabilisation (20) est monté à la périphérie (P) du support de tête de colonne (6).
  10. Colonne de table (2) selon l'une des revendications précédentes, dans laquelle le guide principal cylindrique (10) est un guide télescopique.
  11. Colonne de table (2) selon la revendication 10, dans laquelle le guide télescopique présente au moins un cylindre télescopique (11) qui est bloqué en rotation autour de son axe vertical (Z-Z) par l'intermédiaire d'une clavette (18) s'insérant dans une rainure longitudinale (16).
EP17822333.5A 2016-12-28 2017-12-28 Colonne de table d'opération munie d'un guide de stabilisation Active EP3562457B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17822333T PL3562457T3 (pl) 2016-12-28 2017-12-28 Kolumna stołu operacyjnego z prowadnicą stabilizującą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016125800.8A DE102016125800A1 (de) 2016-12-28 2016-12-28 Operationstischsäule mit Stabilisierungsführung
PCT/EP2017/084720 WO2018122314A1 (fr) 2016-12-28 2017-12-28 Colonne de table d'opération munie d'un guide de stabilisation

Publications (2)

Publication Number Publication Date
EP3562457A1 EP3562457A1 (fr) 2019-11-06
EP3562457B1 true EP3562457B1 (fr) 2020-08-26

Family

ID=60857102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17822333.5A Active EP3562457B1 (fr) 2016-12-28 2017-12-28 Colonne de table d'opération munie d'un guide de stabilisation

Country Status (9)

Country Link
US (1) US11234882B2 (fr)
EP (1) EP3562457B1 (fr)
JP (1) JP7027426B2 (fr)
KR (1) KR20190093666A (fr)
CN (1) CN110167503B (fr)
BR (1) BR112019010771A2 (fr)
DE (1) DE102016125800A1 (fr)
PL (1) PL3562457T3 (fr)
WO (1) WO2018122314A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018124135A1 (de) * 2018-09-28 2020-04-02 MAQUET GmbH Tischsäule für einen Operationstisch mit Versteifungsmechanismus für eine zylindrische Führung

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Also Published As

Publication number Publication date
KR20190093666A (ko) 2019-08-09
DE102016125800A1 (de) 2018-06-28
EP3562457A1 (fr) 2019-11-06
CN110167503B (zh) 2021-08-17
PL3562457T3 (pl) 2021-04-06
CN110167503A (zh) 2019-08-23
WO2018122314A1 (fr) 2018-07-05
JP2020503925A (ja) 2020-02-06
BR112019010771A2 (pt) 2019-10-01
US11234882B2 (en) 2022-02-01
US20190307625A1 (en) 2019-10-10
JP7027426B2 (ja) 2022-03-01

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