EP4226904A1 - Chaise pour le traitement d'un patient - Google Patents

Chaise pour le traitement d'un patient Download PDF

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Publication number
EP4226904A1
EP4226904A1 EP23169577.6A EP23169577A EP4226904A1 EP 4226904 A1 EP4226904 A1 EP 4226904A1 EP 23169577 A EP23169577 A EP 23169577A EP 4226904 A1 EP4226904 A1 EP 4226904A1
Authority
EP
European Patent Office
Prior art keywords
chair
bearing
bearing element
adjusting device
patient
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.)
Pending
Application number
EP23169577.6A
Other languages
German (de)
English (en)
Inventor
Andreas Ostwald
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.)
CURADEN AG
Original Assignee
CURADEN AG
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 CURADEN AG filed Critical CURADEN AG
Publication of EP4226904A1 publication Critical patent/EP4226904A1/fr
Pending 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
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—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
    • 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

Definitions

  • the invention relates to a chair for treating a patient.
  • the backrest and the seat are often designed to be axially adjustable in order to enable the patient to be positioned in different ways.
  • the patient is positioned sitting during a first treatment step and lying down during a second treatment step.
  • the backrest and the seat are adjusted by rotating the rotary axes.
  • the positions of the axes of rotation on the chair are often determined on the basis of average body measurements and are therefore fixed.
  • the axis of rotation of the chair will not match the axis of rotation of the patient's joints, such as the hip joint, and a change in the patient's position may be perceived as uncomfortable become.
  • cost-intensive aids such as special infant chairs or cushions, are often used. These aids are also often laboriously disinfected after use.
  • the pamphlet DE 27 52 528 A1 describes a dental patient chair with a seat and a backrest, which together form the chair top.
  • the upper part of the chair is carried by a support to which the free end of a parallelogram linkage which is articulated to a base part is articulated.
  • the height of the upper part of the chair can be changed by means of an adjusting device acting on the parallelogram linkage.
  • the pamphlet DE 20 2011 109 649 U1 describes a treatment chair.
  • the treatment chair consists of a seat, a backrest, a base and an adjustment system.
  • the adjustment system has a first track and at least one second track, which are connected via a guide pin.
  • the first guide track and the second guide track are arranged relative to one another such that when the adjustment system is adjusted between a first end position and a second end position of the guide pin, the seat surface is adjusted relative to the backrest.
  • the object of the invention is to create a chair belonging to the technical field mentioned at the beginning, which overcomes the disadvantages of the prior art as far as possible.
  • an ergonomic concept for changing the positioning of a patient during treatment is to be created.
  • the invention includes a chair for treating a patient.
  • the chair has a seat element with a first bearing element rigidly attached to the seat element.
  • the chair has a back element with a second bearing element rigidly attached to the back element.
  • the chair also has a connecting joint which connects the seat element and the back element.
  • the chair has an adjusting device which acts on the first bearing element and on the second bearing element in order to move the first bearing element relative to the second bearing element.
  • the adjusting device is arranged in a housing of the chair that serves as a base.
  • the seat element and the back element can be moved independently of one another and positioned freely by means of the adjusting device. But you can also move together with each other, respectively. be positioned.
  • a chair for treating a patient within the meaning of this invention is to be understood as meaning a device which can be used for treating a patient sitting on it.
  • the chair is a treatment chair, an examination chair, a therapy chair, a chair, a nursing chair, a cosmetic bed or a patient bed.
  • the chair can also be used for dental treatment, for podiatry treatment, for urological treatment, for proctological treatment, for gynecological treatment and/or cosmetic treatment of the patient.
  • the chair is a dentist's chair and/or the patient is a human patient.
  • a special embodiment of the invention consists in the actuating device acting from the housing by means of a first transmission device (141) on the first bearing element (111) and by means of a second transmission device (142) on the second bearing element (121).
  • the seat elements are thus held out of the housing on two arms, as it were.
  • the space directly under the chair can therefore be kept free of voluminous substructures.
  • the seat element can be a frame element of the chair.
  • a seat cushion can be arranged on the seat element, which forms a seat surface for the patient.
  • the back element can be another frame element of the chair.
  • a back pad can be arranged on the rear element, which forms a backrest for the patient.
  • the respective bearing elements can be pivot bearings, plain bearings and/or roller bearings.
  • the first bearing element can be connected to the seat element and/or the second bearing element to the back element in a force-fitting or material-locking manner in order to bring about a rigid attachment.
  • the first bearing element is screwed or welded to the seat element and/or the second bearing element to the back element.
  • first bearing element and the seat element and/or the second bearing element and the back element can be formed integrally or in one piece.
  • the connecting joint can be a double joint, a rotary joint, a ball joint and/or a passive joint.
  • a passive joint can be a joint without a motor drive.
  • the actuating device can include at least one drive, such as an electric motor, for moving the first bearing element and/or the second bearing element.
  • the first bearing element can be arranged at a distance from the seat element.
  • the distance between the first bearing element and the seat element is more than 5%, more than 10%, more than 20% or more than 30% of a length of the seat element.
  • the first bearing element can be rigidly fastened to the seat element by means of a fork-shaped fastening element in order to rigidly fasten the first bearing element to the seat element at a number of points, in particular on different sides of the seat element. This can also protect against lateral tipping of the chair to be raised.
  • a distance between an attachment point of the first bearing element on the seat element and the connecting joint can be less than 50%, less than 40%, less than 30% or less than 10% of a length of the seat element. Due to the proximity of the attachment point to the connecting joint, the adjusting device can be arranged close to the connecting joint. As a result, a dimension of the chair, in particular in the area close to the floor, can be reduced. As a result, the freedom of movement of a person treating the patient, such as a doctor or an assistant, can be increased when treating the patient.
  • the second bearing element can be arranged at a distance from the back element.
  • the distance between the second bearing element and the back element is more than 5%, more than 10%, more than 20% or more than 30% of a length of the back element.
  • the second bearing element can be rigidly fastened to the back element by means of a fork-shaped fastening element in order to rigidly fasten the second bearing element to the back element at a number of points, in particular on different sides of the back element. In this way, protection against the chair tipping over to the side can also be increased.
  • a distance between an attachment point of the second bearing element on the back element and the connecting joint can be less than 50%, less than 40%, less than 30% or less than 10% of a length of the back element. Due to the proximity of the attachment point to the connecting joint, the adjusting device can be arranged close to the connecting joint. As a result, a dimension of the chair, in particular in the area close to the floor, can be reduced. As a result, the freedom of movement of a person treating the patient, such as a doctor and/or an assistant, can be increased when treating the patient.
  • the adjusting device can comprise a first adjusting device which acts on the first bearing element for the horizontal and/or vertical adjustment of the seat element. This brings with it the additional advantage that changing the positioning of the patient can be carried out in a more comfortable manner for the patient.
  • the first adjusting device can have a first drive and a first transmission device connected to the first bearing element include.
  • the first transfer device includes a stamp or a transfer rod.
  • the first drive can include a motor, in particular an electric motor, and/or a gear.
  • the first adjusting device can include a first spindle.
  • the first spindle can be a lead screw.
  • the first spindle can be connected to the first transmission device in order to move it.
  • the longitudinal axis of the first spindle can extend orthogonally to a bearing axis of the first bearing element.
  • the first bearing element can be designed as a pivot bearing.
  • the bearing axis of the first bearing element can be a joint axis of the joint bearing.
  • the adjusting device can comprise a second adjusting device which acts on the second bearing element for the horizontal and/or vertical adjustment of the back element.
  • the second adjusting device can comprise a second drive and a second transmission device connected to the second bearing element.
  • the second transfer device includes a stamp or a transfer rod.
  • the second drive can include a motor, in particular an electric motor, and/or a gear.
  • the second adjusting device can include a second spindle.
  • the second spindle can be a threaded spindle.
  • the second spindle can be connected to the second transmission device in order to move it.
  • the longitudinal axis of the second spindle can extend orthogonally to a bearing axis of the second bearing element.
  • the second bearing element can be designed as a pivot bearing.
  • the bearing axis of the second bearing element can be a joint axis of the joint bearing.
  • the connecting joint can be designed as a double joint.
  • the connecting joint can include an angled spacer in order to optimize tracking of the seat element when the back element is adjusted and/or tracking of the back element when the seat element is adjusted.
  • the spacer is at an angle greater than 10°, greater than 20°, greater than 30°, greater than 40°, greater than 50°, greater than 60°, greater than 70°, greater than 80°, or greater than 90° angled. This can be advantageous, for example, when the upholstery of the seat element and the back element is particularly thick.
  • the angled spacer increases the mobility of the seat element relative to the back element.
  • the design of the connecting joint as a double joint has the additional advantage that the first bearing element can be moved relative to the second bearing element or the second bearing element can be moved relative to the first bearing element via the double joint as far as possible independently of one another.
  • axial and vertical movements of the seat element and the back element can be very easily adapted to the body size and body proportions of the patient when the patient's position changes. This means that the distance between the seat surface and the backrest can be varied as required, with a simple adaptation to specific, individual ergonomic characteristics of a patient being able to take place.
  • the chair may further include a control panel for controlling a function of the actuator.
  • the control console may include at least one actuating element, such as a touch-sensitive screen, rotary control, slider, button, control cursor and/or analog stick, for controlling the movement of the first bearing element and/or the second bearing element.
  • the control console is integrated in an armrest of the chair or in a housing of the adjusting device.
  • the chair can have a communication interface for communication with a control console.
  • the communication interface can be wireless or wired.
  • the chair can have at least one armrest which is rigidly formed on the back element.
  • the patient places an arm on the at least one armrest and/or in the lying position, the patient grasps one Hand under at least one armrest.
  • the at least one armrest and the back element can form an integral component in order to increase the stability of the chair.
  • the back element and the at least one armrest can merge directly into one another and create a coherent surface.
  • the at least one armrest can be fastened to the back element in a force-fitting and/or form-fitting manner.
  • the at least one armrest is screwed or welded to the back element.
  • the at least one armrest can be wing-like and/or narrow.
  • the Figure 1A 10 shows a chair 100 for treating a patient according to a first embodiment.
  • the chair 100 has a seat element 110 with a first bearing element 111 rigidly fastened to the seat element 110 .
  • the chair 100 has a back element 120 with a second bearing element 121 rigidly attached to the back element 120 .
  • the chair 100 also has a connecting joint 130 which connects the seat element 110 and the back element 120 .
  • the chair 100 has an adjusting device 140 which acts on the first bearing element 111 and on the second bearing element 121 in order to move the first bearing element 111 relative to the second bearing element 121 .
  • the seat element 110 and the back element 120 By connecting the seat element 110 and the back element 120 via the connecting joint 130 and the respective rigidly attached bearing elements 111, 121, the seat element 110 and the back element 120 can be moved independently of one another and freely positioned by means of the adjusting device 140. In this way, axial and vertical movements of the seat element 110 and the back element 120 can be adapted to the patient's height and body proportions when the patient's position changes. As a result, changing the patient's position can be perceived as more comfortable.
  • the actuating device 140 acts on the first bearing element 111 by means of a first transmission device 141 and on the second bearing element 121 by means of a second transmission device 142 .
  • the respective transmission devices 141, 142 are formed by stamps or transmission rods.
  • the first bearing element 111 is arranged at a distance from the seat element 110 and the second bearing element 121 is arranged at a distance from the back element 120 .
  • the first bearing element 111 is rigidly fastened to the seat element 110 by means of a fastening element 112 at a fastening point 113 and the second bearing element is rigidly fastened to the back element 120 by means of a fastening element 122 at a fastening point 123 .
  • the fasteners 112, 122 each have a rod shape or a fork shape.
  • a distance of the attachment point 113 to the connecting joint 130 is less than 30% of the length of the seat element 110.
  • the distance between the attachment point 123 and the connecting joint 130 is less than 30% of the length of the back element 120.
  • the Figure 1B 10 shows a chair 100 for treating a patient according to a second embodiment.
  • the connecting joint 130 comprises a first joint element 132 and a second joint element 133.
  • the connecting joint 130 is thus designed as a double joint, which results in more degrees of freedom of the connecting joint 130 and a movement of the first bearing element 111 relative to the second bearing element 121 or a movement of the second bearing element 121 can be carried out largely independently of one another relative to the first bearing element 111 via the double joint.
  • the double joint the realization of a band or a chain-like connection is also conceivable. This would additionally increase the flexibility with regard to the adaptability of the chair 100 .
  • both the first bearing element 111 and the second bearing element 121 each comprise two bearing element axes spaced apart from one another. Spaced apart is understood as a distance which is perpendicular to the axial longitudinal direction of the bearing element axes.
  • the first bearing element 111 comprises a first bearing element axis 111-1 and a second bearing element axis 111-2.
  • the second bearing element 121 comprises a first bearing element axis 121-1 and a second bearing element axis 121-2.
  • the bearing element axes 111-1, 111-2; 121-1, 121-2 are located in pairs on one of the fastening elements 122 rigidly connected to the seat element 110 and back element 120.
  • the first bearing element axis 111-1 and the second bearing element axis 111-2 of the first bearing element 111 run parallel to one another. Both the first bearing element axis 111 - 1 and the second bearing element axis 111 - 2 are preferably aligned orthogonally to the fastening element 112 . Likewise, the first bearing element axis 121 - 1 and the second bearing element axis 121 - 2 of the second bearing element 121 run parallel to one another and are preferably aligned orthogonally to the fastening element 122 .
  • the Figure 1C Fig. 12 shows a schematic representation of the chair 100 in the embodiment according to the second embodiment, the chair 100 having an alternative ergonomic arrangement.
  • the seat element 110 of the chair 100 has a shortened seat length due to the appropriate positioning of the back element 120 and the connecting element 130 and is therefore suitable for a patient with a short body length.
  • This is in contrast to Figure 1B , in which the seat length is designed to be significantly longer, which means that the ergonomic requirements for a patient with a longer body are more likely to be met.
  • the figure 2 shows the chair 100 for treating the patient according to a third embodiment in a side view.
  • the chair 100 can be like that associated with the Figure 1B described chair be formed.
  • the chair 100 also has a headrest 150 .
  • the seat element 110 and the back element 120 each have ergonomic, rounded shapes in order to make sitting and/or lying on the chair 100 more comfortable for the patient.
  • the connecting joint 130 is also designed as a double joint 130 with an angled spacer 131 , the connecting joint 130 comprising the first joint element 132 and the second joint element 133 .
  • the chair 100 has two first bearing elements 111 which are rigidly fastened to the seat element 110 at two fastening points 113 via the fork-shaped fastening element 112 .
  • Two first transmission devices 141 of a first adjusting device 147 of the adjusting device 140 act on the first bearing elements 111 .
  • the first adjusting device 147 also includes a first drive 143, such as an electric motor, and a first spindle 144, such as a threaded spindle.
  • the first spindle 144 is connected to the first bearing element 111-1 via the first transmission device 141-1.
  • the first actuating device 147 includes a further first drive (not shown) and a further first spindle (not shown), which is connected to the first bearing element 111-2 via the first transmission device 141-2.
  • the first bearing elements 111 are formed by pivot bearings and the first transmission devices 141 by stamps.
  • the connecting joint 130 is designed as a double joint 130 with an angled spacer 131 , the first joint element 132 and the second joint element 133 .
  • the chair 100 has two second bearing elements 121 which, via the fork-shaped fastening element 122 at two fastening points 123 on the Back member 120 are rigidly attached.
  • Two second transmission devices 142 of a second adjusting device 148 of the adjusting device 140 act on the second bearing elements 121 .
  • the second adjusting device 148 also includes a second drive 145, such as an electric motor, and a second spindle 146, such as a threaded spindle.
  • the second spindle 146 is connected to the second bearing element 121-1 via the second transmission device 142-1.
  • the second actuating device 148 also includes a further second drive (not shown) and a further second spindle (not shown), which is connected to the second bearing element 121-2 via the second transmission device 142-2.
  • the second bearing elements 121 are formed by pivot bearings and the second transmission devices 142 by stamps.
  • the distance between the first bearing elements 111 and the seat element 110 is more than 10% of the length of the seat element 110.
  • the distance between the second bearing elements 121 and the back element 120 is more than 10% of the length of the back element 120.
  • the figure 3 10 shows the patient treatment chair 100 according to a third embodiment from a further perspective.
  • the seat element 110 , the back element 120 and the headrest 150 form frame elements of the chair 100 .
  • the frame elements are made of metal in order to increase the mechanical stability of the chair 100 .
  • the frame elements each have openings in which a cushion element can be accommodated.
  • a narrow, wing-shaped armrest 124 is integrally formed on the back element 120 .
  • the attachment point 123-1 of the attachment element 122 is in the area of the armrest 124.
  • the attachment point 123-2 of the attachment element 122 is also between the armrest 124 and the headrest 150.
  • the first adjusting device 147 has two first drives 143 and two first spindles 144 .
  • the second adjusting device 148 as in connection with the figure 2 described, two second drives 145 and two second spindles 146 on.
  • the respective transmission devices 141, 142 each have a cuboid shape with rounded ends.
  • the figure 4 shows the chair 100 for treating the patient in a fourth embodiment.
  • the chair 100 can be like that associated with the figure 3 described chair be formed.
  • the chair 100 additional upholstery elements, which are arranged on the seat element 110, the back element 120 and the headrest 150.
  • the padding elements preferably comprise an air-permeable membrane. This enables optimal air circulation, counteracting the patient's perspiration.
  • the first spindles 144 extend orthogonally to a bearing axis of the first bearing element 111 and the second spindles 146 extend orthogonally to a bearing axis of the second bearing element 121 .
  • the linear guide could be designed, for example, as a simple guide rail, which is slidably connected to the first transmission device 141 and/or the second transmission device 142 and thus makes it difficult for the chair 100 to tilt sideways.
  • the figure 5 12 shows the patient treatment chair 100 according to another embodiment.
  • the chair 100 can be like that associated with the figure 4 described chair be formed.
  • the adjusting device 140 of the chair 100 is additionally accommodated in a housing 149 .
  • the housing 149 is designed as a pedestal. This makes it possible to arrange the adjusting device 140 at a distance below the seat element 110 and the back element 120 .
  • the actuating device 140 thus engages the first bearing element 111 and the second bearing element 121 from the housing 149 .
  • the Figures 6a to 6h 12 show patient treatment chair 100 in different positions according to yet another embodiment.
  • the Figure 6a FIG. 1 shows the chair 100 in a low boarding position, in which it is easier for the patient to enter the chair 100.
  • the seat member 110 is in a low position, e.g. close to the housing 149, and the back member 120 is in an upright position.
  • the Figure 6b the chair 100 in a conversation position in which the seat member 110 and the back member 120 are slightly raised compared to the boarding position.
  • the patient can be raised vertically in such a way that he is at eye level with the person treating him, in order to create a more pleasant atmosphere for the conversation.
  • the Figure 6c shows the chair 100 in a first reclining position, in which the back element 120 is slightly leaned back so that the upper body of the patient is above his lower body is located. Furthermore, the Figure 6d the chair 100 in a second reclining position, in which the back element 120 is leaned back in such a way that the upper body and the lower body of the patient are at the same level. Furthermore, the Figure 6e the chair 100 in a third reclining position. Compared to the second lying position, the chair 100 is raised vertically as a whole in the third lying position in order to facilitate treatment of the patient by a standing person. The Figure 6f 12 also shows the chair 100 in a fourth lying position, in which the back element 120 is leaned back in such a way that the upper body of the patient is below his lower body. The Figures 6g and 6h show the chair 100 in a fifth and a sixth reclining position, which are each suitable for specific treatments on the patient and require such a reclining position.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
EP23169577.6A 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient Pending EP4226904A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01482/17A CH714407A1 (de) 2017-12-05 2017-12-05 Stuhl zur Behandlung eines Patienten.
EP18815636.8A EP3720407A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient
PCT/EP2018/083677 WO2019110675A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18815636.8A Division EP3720407A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient

Publications (1)

Publication Number Publication Date
EP4226904A1 true EP4226904A1 (fr) 2023-08-16

Family

ID=61282936

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23169577.6A Pending EP4226904A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient
EP18815636.8A Ceased EP3720407A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18815636.8A Ceased EP3720407A1 (fr) 2017-12-05 2018-12-05 Chaise pour le traitement d'un patient

Country Status (3)

Country Link
EP (2) EP4226904A1 (fr)
CH (1) CH714407A1 (fr)
WO (1) WO2019110675A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338632A (en) * 1966-02-09 1967-08-29 Carl T Kleinsorge Reclining chair
DE2752528A1 (de) 1977-11-24 1979-05-31 Siemens Ag Vorrichtung mit einem parallelogrammgestaenge mit horizontaler achslagerung
DE9418730U1 (de) * 1994-11-25 1996-04-18 Saueressig, Ulrich, Dr.med., 42103 Wuppertal Patientenliege
WO2002053080A1 (fr) * 2001-01-04 2002-07-11 Silhouet-Tone Ltée Dispositif de serrage permettant de commander la rotation d'une chaise autour d'un arbre de support d'un cadre de base
DE202011109649U1 (de) 2011-12-30 2012-03-14 Sirona Dental Systems Gmbh Behandlungsstuhl mit einem Verstellsystem

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338632A (en) * 1966-02-09 1967-08-29 Carl T Kleinsorge Reclining chair
DE2752528A1 (de) 1977-11-24 1979-05-31 Siemens Ag Vorrichtung mit einem parallelogrammgestaenge mit horizontaler achslagerung
DE9418730U1 (de) * 1994-11-25 1996-04-18 Saueressig, Ulrich, Dr.med., 42103 Wuppertal Patientenliege
WO2002053080A1 (fr) * 2001-01-04 2002-07-11 Silhouet-Tone Ltée Dispositif de serrage permettant de commander la rotation d'une chaise autour d'un arbre de support d'un cadre de base
DE202011109649U1 (de) 2011-12-30 2012-03-14 Sirona Dental Systems Gmbh Behandlungsstuhl mit einem Verstellsystem

Also Published As

Publication number Publication date
CH714407A1 (de) 2019-06-14
EP3720407A1 (fr) 2020-10-14
WO2019110675A1 (fr) 2019-06-13

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR