EP2841042B1 - Kopfstütze - Google Patents

Kopfstütze Download PDF

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Publication number
EP2841042B1
EP2841042B1 EP13781939.7A EP13781939A EP2841042B1 EP 2841042 B1 EP2841042 B1 EP 2841042B1 EP 13781939 A EP13781939 A EP 13781939A EP 2841042 B1 EP2841042 B1 EP 2841042B1
Authority
EP
European Patent Office
Prior art keywords
head support
support device
back portion
attached
sled
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
EP13781939.7A
Other languages
English (en)
French (fr)
Other versions
EP2841042A4 (de
EP2841042A1 (de
Inventor
Sven EGNELL
Lars Svensson
Peter Weiss
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.)
3K Holding AB
Original Assignee
3K Holding AB
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 3K Holding AB filed Critical 3K Holding AB
Publication of EP2841042A1 publication Critical patent/EP2841042A1/de
Publication of EP2841042A4 publication Critical patent/EP2841042A4/de
Application granted granted Critical
Publication of EP2841042B1 publication Critical patent/EP2841042B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/036—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a head-rest
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/0528—Steering or braking devices for castor 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
    • 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
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections
    • 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
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/02—Chairs with means to adjust position of patient; Controls 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
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—Parts, details or accessories
    • A61G15/12—Rests specially adapted therefor, e.g. for the head or feet
    • A61G15/125—Head-rests
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/34—Specific positions of the patient sitting

Definitions

  • the present invention generally relates to a head support device attached to a treatment table.
  • the head support device is attached to the back portion and has a head support bow.
  • the head support decide is provided with a weight balancing unit. Through the weight balancing unit is achieved that the head support device is experienced by a user as being weightless or floating.
  • a head support device is known. This head support device is arranged in conjunction with a back portion, and the head support device then exhibits a first longitudinal adjustment means, a second adjustment means in terms of the angle of the head support bowl, and a third adjustment means in terms of height.
  • the adjustment means are all or may in some parts be achieved by a mechanical joint of screw of frictional type, that when needed may be loosened and fixed once the right position has been reached.
  • an electrical actuator may be provided that adjusts the head support bowl to the right position. Attempts have been made to through this achieve provision for a person, being at rest on the operation table and being supported by it, to conveniently follow the head in the head support bowl while the angle between the seat portion and the back portion are adjusted.
  • the head support bowl is fixed longitudinally during the adjustments of the angles of the seat portion and the back portions, it is experienced as being uncomfortable and may risk causing injuries to the neck and the back. If the head support bowl on the other hand is disengaged during the adjustments of the seat portion and the back portion angles, this is experienced as uncomfortable as the full weight of the head support device, weighing as much as 10kg, is held by the persons head in the operation table. It is further desirable that the head support bowl is not displaced longitudinally by its own weight if the person in the operating table for some reason wishes to adjust his position himself and lifts the head.
  • DE 3116208 discloses an appliance for controlling pivoting movement of a head support of a treatment table.
  • the object of the invention is to provide a head support device for an operating table, where the device is provided with longitudinal adjustment means.
  • the device having a significant own weight, is by a patient or surgeon experienced as being weightless or floating.
  • the object of the invention is also that the head support device, independent of the angle of the back portion, is by a patient or surgeon experienced as being weightless or floating.
  • the object of the invention is further that the friction in the head support device is so low that it, by a patient or surgeon, is experienced as being weightless or floating.
  • Yet one object of the invention is to make the head support device take up such a small space, that a surgeon experiences good accessibility for his legs under the back portion, independent of the angle of the back portion and independent of how far the head support bowl attached to the head support device has been extended.
  • the invention relates to a head support device 19 attached to a treatment table 12.
  • the treatment table comprises a back portion 13 pivotably joined to a seat portion 14.
  • the head support device 19 is attached to the back portion 13 and comprises a head support bowl 18.
  • the head support device 19 comprises a head support sled 32 arranged in a first bearing for linear forwards and backwards movement in a carrier unit 31 in the head support device 19, where the head support device 19 is provided with a weight balancing unit 61.
  • the weight balancing unit is advantageously achieved that the head support device is experienced by a user as being weightless or floating.
  • the weight balancing unit 61 comprises the head support sled 32 and a counterweight housing 62, where the counterweight housing 62 is journalled in a second bearing for linear forwards and backwards movement in the head support device 19, and where further the counterweight housing 62 and the head support sled 32 are connected to each other via a force transfer unit 52.
  • the force transfer unit 52 may for example be constituted by a belt that runs over an upper bearing 53 and a lower bearing 54.
  • the head support bowl 18 is pivotably and fixably connected to an adjustment arm 63, which is fixedly attached to a rotational axle 44 that is journalled in the head support device 19.
  • the rotational axle 44 is provided with a lever 43, pivotably connected to a slewing bracket 42, which is connected to an electrical actuator 41 for primarily axial actuation of the slewing bracket 42 thus causing an pivotal movement of the rotational axle 44.
  • the head support bowl may be electrically controlled.
  • the head support bowl 18 is attached to the head support sled 32 via a head support joint, and the head support joint is provided with a locking unit 64 arranged to lock the head support joint in a selected rotational position.
  • the invention further relates to a back portion provided with such a head support device 19, and a treatment table 12 provided with such a head support device 19.
  • the object of the invention is, amongst other, to provide an operating table that has a seat portion and a back portion, where the seat portion and the back portion may be adjusted such that they are adapted for a comfortable lying or seating position, while concurrently the persons head sits stably and comfortably in the head support device.
  • the head support device may at the same time move height wise depending on the relative position of the seat and back portions.
  • the stand should be provided with the adjustable back portion and the head support device mounted on the adjustable back portion.
  • the length of the head support device should be able to adapt to the position of the person's head in a self adjusting fashion, as the position is continuously changing depending on the present selected state for the relative angle between the seat portion and the back portion.
  • the invention is further based on that the head support device enables a rapid setting to the proper operating position, and that it is able to handle a sufficient load. It should also occupy a small height, such that the space under the back portion gets as spacious as possible.
  • the invention is further based on handling of different weights of the head support device. Its design may vary for different markets or look different for different treatments.
  • the angles of the head support bowl may be set in an electrical or mechanical fashion.
  • the invention comprises a head support device that is provided with a head support sled which is journaled with a low degree of friction and a counter weight journaled with a low degree of friction.
  • the head support sled and the counter weight run in parallel on top of each other, and are connected to each other by a belt or similar for force transfer.
  • the belt runs over an upper belt bearing and a lower belt bearing which is attached to the head support device.
  • the invention relates to a head support device, to which a head support bowl is attached via a pivotable and fixable joint.
  • the head support device is attached to a back portion, that is pivotably joined to a seat portion of an treatment table, preferably an operating table.
  • the head support device is continuously and autonomously displaceable length wise in relation to the back portion.
  • the force applied by a person with his head placed in the head support bowl and resting on the treatment table as the back portion changes angle in relation to the seat portion is sufficient to cause such displacement.
  • This autonomous displaceability is achieved by journaling the length wise moveable portions, which are amongst other the head support device with the head support bowl.
  • the head support device is provided with a weight balancing unit.
  • the parts that are longitudinally displaceable may weigh up to 10kg, some form of weight balancing is necessary in order to avoid an unpleasant force being applied to the patient during an angular change, and in order to prevent the displaceable parts from being displaced longitudinally under their own weight if the patient wishes to adjust his position and raises the
  • Such a weight balancing unit should thus compensate for the weights of the constituting parts.
  • the weight balancing unit comprises a counter weight housing that is attached to the head support device in part via a force transfer unit and in part via a head support sled that is journalled for a linear forwards and backwards movement in a carrier unit for the head support device.
  • the force transfer unit may for example be constituted by a belt, such as a synchronous drive belt, a rope, a wire or similar that can bend around one or several pulleys in order to generate movement in two opposite directions.
  • the counter weight housing may easily be adapted in terms of weight by adding or removing weights in order to as precisely as possible adapt the counter weight housing to the mass that needs to be balanced, that is the components attached to the head support device.
  • the force transfer unit is constituted by a belt that runs over an upper and a lower bearing. This embodiment presents a simple solution to the attachment of the head support sled and the counter weight housing to the force transfer unit.
  • the head support bowl is pivotably and fixably attached to an adjustment arm that is fixedly attached to a rotational axle journalled in the head support device.
  • This embodiment gives an additional adjustment means for the height of the head in relation to the back portion.
  • the rotational axle is provided with a lever that is pivotably joined to a slewing bracket, which in turn is attached to an electrical actuator. It primarily has an axial actuation on the slewing bracket giving an angular movement of the rotational axle.
  • This embodiment gives an electrically controllable angle of the head position prior to the treatment in question.
  • An electrically actuated setting may be made with the aid of a foot pedal, leaving the hands of the person giving treatment, for example a physician, free.
  • the invention further refers to a back portion of a treatment table, preferably an operating table.
  • the back portion is attached to a head support device, such that the head support device i fully or partially inserted into a recess in the rear side of the back portion.
  • the head support device being inserted into the recess is embodied as described in this application.
  • the advantages of such an inserted head support device is that the person giving treatment is to be given the largest possible space under the back portion, while the head support device should not be in the way during treatment.
  • the back portion is pivotably and continuously fixably attached to a seat portion of the treatment table.
  • the pivotability of the back portion gives force acting on the patient's head, neck and shoulder region. This force is severely reduced when the back portion is combined with the previously disclosed head support device.
  • the back portion is continuously fixable in any given position in relation to the seat portion.
  • the invention also relates to a treatment table, preferably an operating table, comprising a leg portion, a seat portion and a back portion. These portions are pivotably attached to each other, and the angles between these may be set.
  • a head support device is attached to the back portion. This head support device is embodied as disclosed in this application.
  • Embodiments of the invention further comprise an actuator for the head support device, that electrically or pneumatically may set the angle between the head support bowl and the head support sled.
  • the invention also makes it possible for the head support device to consist of a complete, freestanding unit, which simply may be removed from and attached to the back portion for disinfection and/or changing between different types of head support bowls.
  • the invention further makes it possible for various types of head support bowls and accessories to be attached on the head support device, independent of their respective weights, and the device is still experienced by a patient or a surgeon as being weightless or floating.
  • Fig. 1 shows an embodiment of the invention designed for surgical purposes. It has a raisable and lowerable operation table stand 10 provided with lockable wheels 11 for transportation and stabilization of the stand.
  • An operation table 12 has been mounted on the stand, where the operating table comprises a back portion 13, a seat portion 14 and a leg portion 15. The back portion 13 and the leg portion 15 may be pivoted with respect to the seat portion 14 and fixed in any selected position in relation to the seat portion 14.
  • the figure illustrates the operating table 12 in an upright position with a patient sitting up. The patient's head is positioned is placed in a head support bowl 18, mounted on a head support device 19, that may be displaced longitudinally in relation to the back portion 13. In the illustrated position, when the patient is sitting up, the head support bowl 18 is displaced comparatively far out from the back portion 13.
  • Fig. 2 shows the operating table 12 in a lowered position, where the head support device 19 and thereby the head support bowl 18 has been displaced inwards towards the back portion 13, by the patient being lowered and thereby affected the head support device to enter a new position.
  • Fig. 3 shows the back portion 13 with the head support device 19 and the head support bowl 18.
  • the head support device 19 is attached to a carrier unit 31 via a mobile head support sled 32. It is provided with guides that are journalled for movement back and forth in the carrier unit 31.
  • the carrier unit 31 is further mounted inset into a recess 33 arranged at the rear side of the back portion 13, in order to to some degree eliminate protruding parts of the carrier unit 31.
  • Fig. 4 shows the carrier unit 31 with the head support device 19 mounted on the head support sled 32. These parts are removed from the back portion illustrated in fig. 3 .
  • An electrical actuator 41 is mounted on the carrier unit 41, acting as a linear motor that is able to displace slewing bracket 42 back and forth.
  • the slewing bracket 42 is pivotably attached to a lever 43, which is fixedly attached to the head support device 19 via a rotational axle 44.
  • a displacement of the slewing bracket 42 causes an angular change in the head support device 19, and a change in the angle of the head support bowl.
  • Fig. 5 shows the moveable head support sled 32 that is arranged in conjunction with a counter weight 51, such that the head support bowl should be experienced as weightless no matter at which angle the back portion is set.
  • the head support sled 32 and the counter weight 51 are attached to one side each 521, 522 of a force transfer unit 52, preferably embodied as a belt, such that the counter weight 51 moves in the opposite direction of the head support sled 32 and through this balances out its weight.
  • the counter weight 51 as well as the head support sled 32 is journalled for forwards and backwards movement in the carrier unit 31.
  • the force transfer unit 52 is endless and loops around an upper bearing 53 in the carrier unit 31 and a lower bearing 54 in the carrier unit 31.
  • the head support sled and the counter weight are, respectively, attached to opposite movement sides of the force transfer unit 52.
  • the counter weight 51 is subdivided into several weight portions 511-513, that may be removed or added, and these may also be provided in various weights in order to properly correct for different constellations of details attached to the head support sled 32.
  • the carrier unit 31 is further provided with weight attenuators intended to give a soft stop to the movement of the counter weight 51 at the end positions.
  • a handle 55 is provided at the lower end of the carrier unit 31.
  • the handle 55 has a spring loaded quick acting lock, which makes it easy to disengage the whole head support device 19 from the back portion.
  • the figure also illustrates the slewing bracket 42 attached to the lever 43, fastening holes 56 in the slewing bracket 42, and fastening holes in the head support sled 32 mounting of the actuator.
  • the actuator has in the figure been removed, but is illustrated in fig. 4 .
  • Fig. 6 shows a weight balancing unit 61, comprising a counterweight housing 62 with the previously illustrated counterweight, the force transfer unit 52 and the head support sled 32.
  • the force transfer unit 52 is thus attached between the counterweight housing 62 and the head support sled 32.
  • the head support sled 32 and the counterweight housing 62 are journalled to perform a linear movement forwards and backwards in the carrier unit for the head support device 19.
  • Fig. 6 also shows that the head support bowl 18 is attached to the head support device 19 via an adjustment arm 63, which is fixedly attached to the head support device 19, but pivotable and fixable in relation to the head support bowl 18. Due to this adjustment arm, the head support bowl 18 height and angle relative to the head support sled 32 and thereby the back portion 13, can be selected and the angle of the head support bowl being fixed manually with the aid of the maneuvering handle 64.
  • the force transfer unit of the weight balancing unit may be modified within the scope of the invention and may for example be constituted by a wire running over pulleys.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Nursing (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (7)

  1. Eine an einem Behandlungstisch (12) angebrachte Kopfstützvorrichtung (19), wobei der Behandlungstisch einen mit einem Sitzabschnitt (14) schwenkbar verbundenen Rückenteil (13) umfasst, wobei ferner die Kopfstützvorrichtung (19) an den Rückenteil (13) verbunden ist und eine Kopfstützschale (18) umfasst, dadurch gekennzeichnet, dass die Kopfstützvorrichtung (19) einen in einem ersten Lager angeordneten Kopfstützschlitten (32) für eine lineare Vorwärts- und Rückwärtsbewegung in einer Trägereinheit (31) umfasst, die in der Kopfstützvorrichtung (19) angeordnet ist, wobei die Kopfstützvorrichtung (19) mit einer Gewichtsausgleichseinheit (61) versehen ist, die die Gewichte der bildenden Teile, d.h. der Längsteile, ausgleicht.
  2. Eine Kopfstützvorrichtung (19) nach Anspruch 1, dadurch gekennzeichnet, dass die Gewichtsausgleichseinheit (61) den Kopfstützschlitten (32) und ein Gegengewichtsgehäuse (62) umfasst, wobei das Gegengewichtsgehäuse (62) in einer zweiten Haltung, für eine lineare Vorwärts- und Rückwärtsbewegung in der Kopfstützvorrichtung (19) gelagert ist, und wobei ferner das Gegengewichtsgehäuse (62) und der Kopfstützschlitten (32) über eine Kraftübertragungseinheit (52) miteinander verbunden sind.
  3. Eine Kopfstützvorrichtung (19) nach Anspruch 2, dadurch gekennzeichnet, dass die Kraftübertragungseinheit (52) durch einen über ein oberes Lager (53) und ein unteres Lager (54) verlaufenden Riemen gebildet ist.
  4. Eine Kopfstützvorrichtung (19) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Kopfstützschale (18) schwenkbar und fixierbar mit einem Verstellarm (63) verbunden ist, der fest an einer Drehachse (44) befestigt ist, die in der Kopfstützvorrichtung (19) gelagert ist.
  5. Eine Kopfstützvorrichtung (19) nach Anspruch 4, dadurch gekennzeichnet, dass die Drehachse (44) mit einem Schwenkbügel (42) versehen ist, die schwenkbar zum verbundenen Hebel (43) ist, der mit einem elektrischen Stellglied (41) zur primär axialen Betätigung des Schwenkbügels (42) verbunden ist, wodurch eine Schwenkbewegung der Drehachse (44) bewirkt wird.
  6. Eine Kopfstützvorrichtung (19) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Kopfstützschale (18) über eine Kopfstützverbindung an dem Kopfstützschlitten (32) befestigt ist und die Kopfstützverbindung, die mit einer Verriegelungseinheit (64) versehen ist, die angeordnet ist, um die Kopfstützverbindung in einer ausgewählten Drehposition zu verriegeln.
  7. Ein Behandlungstisch (12) mit einem Schenkelabschnitt (15), einem Sitzabschnitt (14) und einem Rückenteil (13), wobei diese Abschnitte schwenkbar miteinander verbunden sind und wobei eine Kopfstützvorrichtung (19), nach einem der vorhergehenden Ansprüche 1 - 6, an dem hinteren Abschnitt (13) angebracht ist.
EP13781939.7A 2012-04-27 2013-04-12 Kopfstütze Active EP2841042B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250425A SE536367C2 (sv) 2012-04-27 2012-04-27 Huvudstödsanordning
PCT/SE2013/000047 WO2013162435A1 (en) 2012-04-27 2013-04-12 Head support device

Publications (3)

Publication Number Publication Date
EP2841042A1 EP2841042A1 (de) 2015-03-04
EP2841042A4 EP2841042A4 (de) 2016-01-13
EP2841042B1 true EP2841042B1 (de) 2017-06-14

Family

ID=49124345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13781939.7A Active EP2841042B1 (de) 2012-04-27 2013-04-12 Kopfstütze

Country Status (3)

Country Link
EP (1) EP2841042B1 (de)
SE (1) SE536367C2 (de)
WO (1) WO2013162435A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112790875B (zh) * 2021-01-04 2023-04-14 泰州市人民医院 一种多向调节的头部固定装置
CN113171262A (zh) * 2021-04-20 2021-07-27 宜昌市中心人民医院(三峡大学第一临床医学院、三峡大学附属中心人民医院) 一种神经外科手术床

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT107922B (de) * 1926-09-04 1927-11-10 Franz Dr Haslinger Kopfstütze für Operationstische od. dgl.
DE3116208C2 (de) * 1981-04-23 1985-10-03 Kabushiki Kaisha Morita Seisakusho, Kyoto Vorrichtung zum Steuern der Schwenkbewegung einer Kopfstütze
DE3611282A1 (de) * 1986-04-04 1987-10-08 Kaltenbach & Voigt Zahnaerztlicher behandlungsstuhl
DE20021432U1 (de) * 2000-12-19 2002-05-02 Kaltenbach & Voigt GmbH & Co., 88400 Biberach Medizinischer oder dentalmedizinischer Behandlungsstuhl mit einer einstellbaren Kopfstütze
JP2004057247A (ja) * 2002-07-24 2004-02-26 Kenzo Yajima リクライニングシート
US7089613B2 (en) * 2003-11-25 2006-08-15 Jeffrey R Cohen Flexing head support suspension system

Also Published As

Publication number Publication date
SE1250425A1 (sv) 2013-09-17
EP2841042A4 (de) 2016-01-13
EP2841042A1 (de) 2015-03-04
WO2013162435A1 (en) 2013-10-31
SE536367C2 (sv) 2013-09-17

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