EP3856113A1 - Tischsäule für einen operationstisch mit versteifungsmechanismus für eine zylindrische führung - Google Patents
Tischsäule für einen operationstisch mit versteifungsmechanismus für eine zylindrische führungInfo
- Publication number
- EP3856113A1 EP3856113A1 EP19783451.8A EP19783451A EP3856113A1 EP 3856113 A1 EP3856113 A1 EP 3856113A1 EP 19783451 A EP19783451 A EP 19783451A EP 3856113 A1 EP3856113 A1 EP 3856113A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- column head
- column
- cylindrical guide
- keys
- table column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 title 1
- 210000003746 feather Anatomy 0.000 claims description 48
- IYHIWXOXDZSAEO-SVBPBHIXSA-N 3-[1-[(2s)-1-[4-[4-[4-[(2s)-2-[4-(2-carboxyethyl)triazol-1-yl]propanoyl]piperazin-1-yl]-6-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethylamino]-1,3,5-triazin-2-yl]piperazin-1-yl]-1-oxopropan-2-yl]triazol-4-yl]propanoic acid Chemical compound N1([C@@H](C)C(=O)N2CCN(CC2)C=2N=C(NCCOCCOCCOCC#C)N=C(N=2)N2CCN(CC2)C(=O)[C@H](C)N2N=NC(CCC(O)=O)=C2)C=C(CCC(O)=O)N=N1 IYHIWXOXDZSAEO-SVBPBHIXSA-N 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000007688 edging Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000011477 surgical intervention Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- 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
- Table column for an operating table with stiffening mechanism for a cylindrical guide
- the present disclosure relates to table columns for operating tables.
- Table columns for operating tables are previously known. They usually comprise a height-adjustable column head, a patient support surface arranged on an upper end of the column head, and a column foot for placing the table column on the floor of an operating room.
- 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 in the largest possible area.
- An object of the present disclosure is to provide an adjustable table column, the stability and rigidity of which is increased against rotation about its vertical axis.
- this object is achieved with a table column for an operating table, which has at least one of the following features:
- a lifting drive for adjusting the height of the column head in relation to the column head support
- a cylindrical guide which connects the column head to the column head support and serves to guide the column head vertically when the height is adjusted, the cylindrical guide having a longitudinal groove and two feather keys engaging therein in order to secure the cylindrical guide against rotation about its vertical axis,
- each key comprises a main body and an engaging element protruding along an engaging direction, which engages in the engaging direction in the longitudinal groove, and wherein the engagement elements of the two feather keys are arranged offset to one another transversely to the longitudinal axis of the longitudinal groove, so that a prestress is generated in the cylindrical guide transversely to the longitudinal axis of the longitudinal groove.
- the special offset arrangement of the engagement elements formed on the feather keys prevents any backlash.
- 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 consist in that the main bodies assigned to the engagement elements are arranged offset 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 key (26) can be assigned a readjustment device for automatic readjustment of its seat within the longitudinal groove.
- the readjustment device can be spring-operated.
- 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 support.
- the cylindrical guide can comprise a central, non-driven lifting cylinder.
- the lifting cylinder can be adjusted passively telescopically in order to follow the movement of the column head during its height adjustment.
- the table column can further comprise at least one lifting cylinder which can be driven by means of a lifting drive.
- the table column according to the disclosure may further 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, wherein the cylindrical guide and the lifting cylinders can be connected to the connecting 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 tilt it 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 vertically adjust the column head support and the cylindrical guide connected to it.
- the feather keys can be embedded in the column head support.
- the engaging 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 feather keys can be arranged in the column head support.
- the longitudinal groove can be designed as a groove extending perpendicularly in the central lifting cylinder of the column head.
- the longitudinal groove can be used to adjust the height of the Column head in relation to the column head support perpendicularly over the engagement elements of the
- the present disclosure also relates to operating tables with the one defined above
- FIG. 1 shows an overview of an operating table with an operating table column according to the present disclosure
- FIG. 2 is a perspective view of the operating table column from FIG. 1 without
- FIG. 3 shows a perspective side view of the table column from FIG. 2 together with a cylindrical guide with two feather keys and a groove;
- Fig. 4 is a longitudinal sectional view of a portion of the cylindrical guide along the line I-1 in Fig. 3;
- FIG. 5 is a perspective view of a portion of the cylindrical guide
- FIG. 6 shows a further perspective view of the cylindrical guide from FIGS. 3-5 with a cross-sectional illustration of a second feather key along the line III-III from FIG. 3;
- Fig. 7 shows a detail of a cross section through a pillar head carrier
- Table column from FIG. 2 with a central cylinder arranged therein, including a bore for receiving a feather key.
- FIG. 1 shows an operating table 38 according to the disclosure.
- This operating table 38 is used for a wide variety of surgical interventions.
- the patient to be operated is positioned on the operating table 38.
- the operating table 38 comprises, from bottom to top, a foot 39, an operating table column 1 and a patient support surface 40.
- the operating table column 1 sits on the foot 39.
- the patient support surface 40 is detachably fastened on the table column 1.
- the operating table column 1 can be adjusted in its fleas Fl. Its internal mechanics is protected by a cover 41.
- the patient support surface 40 can be pivoted about an edging axis KK and an inclination axis NN.
- the patient support surface 40 has a modular structure and is arbitrary expandable. It has the following removable 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 drawn 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's head of the operating table 38 to the patient's foot end, which respectively corresponds to the head module 40a and the outer leg module 40e of the patient support surface 40.
- the Y axis is transverse to the X axis.
- FIG. 2 shows an adjustable table column 1 for an operating table according to an embodiment of the present disclosure.
- 2 shows the interior of the table column 1 from FIG. 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 which can be moved up and down relative to the column shaft base 3.
- the column stem trunk 4 comprises all components which are located within the section delimited by the dashed line.
- the column stem trunk 4 comprises two weight-bearing main components, namely a column head support 6 arranged in a lower section of the column stem trunk 4, and a column head 7 which is carried by the column head bracket 6.
- the two Main components 6, 7 of the column stem trunk 4 additionally serve as connection elements for adjacent construction components of the table column 1.
- the column head 7 extends between the column head support 6 and the connection unit 5.
- the column head 7 is divided into a column head base 8 and a column head adjustment unit 9 that is height-adjustable in relation to the column head base 8.
- connection unit 5 has a rectangular cut and is used for the detachable fastening of the patient support surface 40 to the table column 1.
- the table column 1 shown in FIG. 2 has 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 to the upper end of the first telescopic guide 12. With the main lifting device 10, the column stem trunk 4 and thus also the column head support 6 can be moved up and down relative to the column stem base 3.
- the additional lifting device 1 1 is designed as a second cylindrical telescopic guide 13.
- the connection unit 5 is fastened on the upper end of the second telescopic guide 13. With the additional lifting device 11, the column head adjustment unit 9 can be moved up and down relative to the column head base 8 parallel to the Z axis (FIG. 2).
- the additional lifting device 11 of the column head 7 is simultaneously an inclination device 16 and an edging device 17.
- the connection unit 5 With the inclination device 16, the connection unit 5 can be inclined about the Y axis. With the folding device 17, the connection unit 5 can be tilted about the X axis. All adjustment movements are possible individually but also combined in any way. As a result, the tilt 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 setting unit 9 parallel to the X and Y axes, as well as 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 which can be adjusted along the vertical Z-axis and which are each arranged in outer cylindrical guides 18 (FIG. 2).
- a central lifting cylinder 14 is surrounded by three peripheral lifting cylinders 15.
- the peripheral lifting cylinders 15 are spaced from one another and are connected at their upper ends to the underside of the connection unit 5 by means of a joint 19.
- the two mutually opposite lifting cylinders 15 belong to the inclination device 16.
- the remaining third lifting cylinder 15 belongs to the folding 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 cardan universal joint.
- the table column 1 shown in FIG. 2 further comprises a lifting drive 21 for adjusting the height of the column head 7 in relation to the column head support 6.
- a separate, for example electronically controlled linear motor drive 21 is provided for each of the three extendable peripheral lifting cylinders 15.
- 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 central lifting cylinder 14 shown in FIG. 2 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.
- the connection unit 5 or a patient support surface 40 connected to it can be inclined by means of different adjusting movements or its edging can be changed.
- the height of the connection unit 5 can be changed, ie it can be raised or lowered without changing its tilt or inclination.
- FIG. 3 shows a side view of the table column 1 from FIG. 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 side of the column head setting unit 9, this is a movable cylinder. This is the central lifting cylinder 14.
- 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 such that the functionality of the inclination device 16 and the folding device 17 is not impaired.
- the cylindrical guide 23 comprises a groove 24 and a stability bar 25 together with two feather keys 26, see FIG. 3.
- FIG. 4 shows a schematic longitudinal sectional view along the line II from FIG. 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 in the lateral surface of the central lifting cylinder 14 parallel to the Z axis.
- the stability bar 25 is in particular a vertically oriented plate which is designed to increase the stability of the cylindrical guide 23 (FIG. 3). It can essentially have a cuboid shape.
- the stability bar 25 comprises two bores 32a spaced apart from one another for receiving set screws 31 (cf. FIGS. 4 and 5). At its two opposite ends it is fastened to the column head support 6 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 keys 26 and the groove 24 together form a tongue and groove connection.
- the feather keys 26 are positively inserted with an engagement side 28 into the feather key groove 24 of the cylinder 14 designed for this purpose.
- the feather keys 26 are fixed in bores 32b of the column head carrier 6, while the engagement section 28 of each feather key 26, which is positively received in the groove 24, can slide in a longitudinal direction of this feather key groove 24 when the cylinder 14 is displaced relative to the column head carrier 6.
- Each key 26 can thus be permanently mounted with 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 retraction and extension of the cylinder 14 from the column head support 6 surrounding it.
- the feather keys 26 of the cylindrical guide 23 are embedded in bores 32b of the column head support 6. Their function is to block the rotation of the central lifting cylinder 14 about the central 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 elongated 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 projects along an engagement direction (Fig. 4-6).
- the engagement element 28 according to the disclosure can be spherical, conical, triangular, rectangular or semi-cylindrical. Further shapes of the engaging elements 28 are conceivable, which are sufficiently complementary to the groove 24 and ensure that the engaging elements 28 slide along the groove 24.
- the main body 27 of the key 26 can be cylindrical or rectangular, for example, or have another basic shape that does not impair its functionality.
- the two engagement elements 28 of the keys 26 engage in the longitudinal groove 24 in order to secure the central lifting cylinder 14 against rotation about its longitudinal axis Z-Z (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 automatically readjusting its seat within the longitudinal groove 24 of the central lifting cylinder 14.
- Each readjustment device 29 is operated by means of spring force.
- it has a central, in particular T-shaped body 36 and a set of adjacent plate springs 30 which are arranged concentrically around the body 36 and which produce a preload.
- the setting of the spring force can be checked by means of an adjusting screw 31 of the readjusting device 29 received in the bore 32a of the stability bar 25 (FIGS. 4 and 5).
- the set screw 31 is arranged at the outer end of the main body 27 and directed in the direction of engagement of the feather key 26.
- the engagement elements 28 of the keys 26 in the desired position held in the longitudinal groove 24. If long-term operation of the table column 1 leads to wear of the groove 24 and / or the engaging elements 28, the plate springs 30 ensure automatic readjustment, so that the connection between the groove 24 and the engaging element 28 is still present and a backlash of the central lifting cylinder 14 the Z axis cannot arise.
- 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 (FIGS. 5 and 6).
- FIG. 7 shows a horizontal section through the cylindrical guide 23. A bore 32b can be seen, the key 26 located therein having been omitted.
- the longitudinal axis AE-AE of an engagement element 28 is shown, which is offset parallel to the longitudinal axis AA of the associated main body 27 by a few tenths of a millimeter, for example by at least 0.1 mm or at least 0.3 mm .
- the longitudinal axis AE-AE has no common intersection with the central Z-Z axis of the lifting cylinder 14.
- the offset can be achieved in that the main bodies 27 assigned to the engagement elements 28 are arranged offset on the column head support 2. By displacing two feather keys 26 with respect to one another, their main bodies 27 are pressed in an opposite direction. This creates a preload in the cylindrical guide 23 transversely to the longitudinal axis of the longitudinal groove 24 and eliminates the torsional play in the direction of rotation about the axis ZZ.
- the present disclosure relates to cylindrical guides 23 which have a plurality of keys 26, e.g. B. include two, three or at least two keys 26.
- the entire bodies of the keys 26 are arranged one below the other in the direction of the vertical axis Z-Z of the lifting cylinder 14 (a so-called vertical arrangement), while each of the keys 26 has an engagement element 28 which is in engagement with a groove 24 of the lifting cylinder 14.
- only the main bodies 27 of the keys 26, but not the corresponding engaging elements 28, are oriented completely vertically.
- the longitudinal axis AE-AE of the engagement element 28 of a first feather key 26 can be arranged offset in parallel in a first direction relative to the longitudinal axis A-A of the main body 27 of the first feather 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 AA 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 one second direction, which differs from the first direction, with respect to the longitudinal axis AA of the second main body 27 can be arranged offset in parallel.
- all feather keys 26 can be arranged in alignment with one another in the direction of the vertical axis Z-Z of the lifting cylinder 14, while a single feather key 26 is laterally offset relative to a feather key 26 arranged above or below it.
- the lateral offset of the adjacent engagement elements 28 or keys 26 can, for. B. with respect to side surfaces or tips of adjacent engagement elements 28 be at least 0.1 mm, at least 0.3 mm, 0.1 to 3.0 mm or 0.3 to 1, 0 mm. In some Embodiments may run adjacent engagement elements 28 in the direction of one of the two long sides of the groove 24 or be biased against them in order to exert a stabilizing tension against these two sides of the groove 24.
- two feather keys 26 are each inserted in bores 32b of the column head support 6 that run perpendicular 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 point laterally in opposite directions, for example.
- two feather keys 26 are each inserted in bores 32b of the column head support 6 that run perpendicular 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, the longitudinal axis AE-AE of which is offset parallel to the longitudinal axis A-A of the main body 27 of this key 26.
- two feather keys 26 are embedded in bores of the column head support 6, which are slightly offset relative to the vertical 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 feather keys 26 disclosed here have various shapes and arrangements, such as, for example, simple or complex feather keys 26, which are connected to a column head support 6 and are designed for a sliding movement in a groove 24.
- the keys 26 can optionally be biased in the direction and in the groove 24 itself by a spring or another biasing element. Such a bias ensures a self-adjusting function of the key position.
- the position of the keys 26 can be axially adjustable in the direction of the groove 24 and in an opposite direction. This is done either directly or by setting a pressure which is exerted on the prestressing element, which in turn presses and prestresses the feather key 26 into the groove 24.
- the setting can be made using a threaded device such as a screw.
- the feather keys 26 can be positioned by being received in bores 32a and / or stability strips 25 or by using other components.
- the feather keys 26 can be arranged vertically adjacent to one another, the vertical distance between the two feather keys 26 being 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 fluid cylinders 14, 15 which carry out a motor-assisted lifting movement or have no direct drive but instead 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 backlash in the direction of rotation about the Z axis.
- Known cylindrical guide systems for table columns that are equipped with turnstiles are either not free of play or not self-adjusting.
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)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
Description
Claims
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 (de) | 2018-09-28 | 2019-09-26 | Tischsäule für einen operationstisch mit versteifungsmechanismus für eine zylindrische führung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3856113A1 true EP3856113A1 (de) | 2021-08-04 |
EP3856113B1 EP3856113B1 (de) | 2022-09-07 |
Family
ID=68165510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19783451.8A Active EP3856113B1 (de) | 2018-09-28 | 2019-09-26 | Tischsäule für einen operationstisch mit versteifungsmechanismus für eine zylindrische führung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220040022A1 (de) |
EP (1) | EP3856113B1 (de) |
JP (1) | JP2022502185A (de) |
CN (1) | CN112969438A (de) |
DE (1) | DE102018124135A1 (de) |
WO (1) | WO2020064902A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2567657B (en) * | 2017-10-18 | 2019-10-23 | Eschmann Holdings Ltd | Surgical tables |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP6335164B2 (ja) * | 2012-06-04 | 2018-05-30 | アエロ コントロレックス グループ インコーポレイテッド | ブローダウンアクチュエータ組立体 |
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 |
-
2018
- 2018-09-28 DE DE102018124135.6A patent/DE102018124135A1/de active Pending
-
2019
- 2019-09-26 CN CN201980067054.0A patent/CN112969438A/zh active Pending
- 2019-09-26 JP JP2021517361A patent/JP2022502185A/ja active Pending
- 2019-09-26 WO PCT/EP2019/075976 patent/WO2020064902A1/de unknown
- 2019-09-26 EP EP19783451.8A patent/EP3856113B1/de active Active
- 2019-09-26 US US17/280,639 patent/US20220040022A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2020064902A8 (de) | 2021-05-14 |
CN112969438A (zh) | 2021-06-15 |
JP2022502185A (ja) | 2022-01-11 |
EP3856113B1 (de) | 2022-09-07 |
DE102018124135A1 (de) | 2020-04-02 |
WO2020064902A1 (de) | 2020-04-02 |
US20220040022A1 (en) | 2022-02-10 |
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