EP3720407A1 - Chair for treating a patient - Google Patents
Chair for treating a patientInfo
- Publication number
- EP3720407A1 EP3720407A1 EP18815636.8A EP18815636A EP3720407A1 EP 3720407 A1 EP3720407 A1 EP 3720407A1 EP 18815636 A EP18815636 A EP 18815636A EP 3720407 A1 EP3720407 A1 EP 3720407A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair
- bearing
- bearing element
- adjusting device
- seat
- 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.)
- Ceased
Links
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 the treatment of a patient.
- the backrest and the seat are often axially adjustable to allow for different positioning of the patient.
- the patient is seated during a first treatment step and positioned lying during a second treatment step.
- the backrest and the seat are adjusted by rotation of axes of rotation.
- the positions of the axes of rotation are often determined on the chair on the basis of average body measurements and are thus fixed.
- the axes of rotation of the chair do not match the axes of rotation of the joints, such as the hip joint of the patient and a change in the positioning of the patient may feel uncomfortable from this become.
- cost-intensive aids such as special ones, are often used
- the document DE 27 52 528 A1 describes a dental patient chair with a seat and a backrest, which together form the Guatemalaoberteil.
- the upper part of the chair is carried by a carrier to which the free end of a parallelogram linkage hinged to a base part is articulated.
- the upper part of the chair can be changed in its vertical position.
- the document DE 20 20 1 1 109 649 U 1 describes a treatment chair.
- the treatment chair includes a seat, a backrest, a pedestal and a
- the adjustment system in this case has a first guide track and at least one second guide track, which are connected via a guide pin.
- the first guideway and the second guideway are arranged to each other, that at Adjusting the adjustment between a first end position and a second end position of the guide pin, the seat is adjusted relative to the backrest.
- the object of the invention is to provide a chair belonging to the technical field mentioned above, which overcomes the disadvantages of the prior art as possible.
- an ergonomic concept for changing the positioning of a patient during a treatment is to be created.
- the invention comprises a chair for treating a patient.
- the chair has a seat element with a rigidly attached to the seat element first bearing element.
- the chair has a back element with a second bearing element rigidly attached to the back element.
- the chair further includes a connecting joint connecting the seat member and the back member.
- the chair has an adjusting device, which acts on the first bearing element and on the second bearing element for moving the first bearing element relative to the second bearing element.
- the adjusting device is arranged in a serving as a stand housing of the chair.
- the seat member and the back member are independently movable by means of the adjusting device and are freely positionable. But you can also move together with each other resp. be positioned.
- a chair for the treatment of a patient in the sense of this invention means a device which can be used to treat a patient sitting thereon.
- the chair is a treatment chair, an examination chair, a therapy chair, a seatbed, a nursing chair, a beauty bed or a patient bed.
- the stool may also be used for dental treatment, for podiatry treatment, for urological treatment, for proctological treatment, for gynecological treatment and / or for cosmetic treatment of the patient.
- the chair is a dentist's chair and / or the patient is a human patient.
- a particular embodiment of the invention is that the adjusting device from the housing by means of a first transmission device (141) to the first bearing element (1 1 1) and by means of a second transmission device (142) engages the second bearing element (12 1).
- the seating elements are held out of the housing, as it were, on two arms.
- the space directly under the chair can therefore be kept free of voluminous substructures.
- the seat element may 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 may be another frame element of the chair.
- a back cushion can be arranged on the back element, which forms a backrest for the patient.
- the respective bearing elements may be spherical plain bearings, plain bearings and / or roller bearings.
- the first bearing element with the seat element and / or the second bearing element with the back member may be positively or materially connected to effect a rigid attachment.
- the first bearing element with the seat element and / or the second bearing element are screwed or welded to the back element.
- first bearing element and the seat element and / or the second bearing element and the back element may be formed integrally or in one piece.
- the connecting joint may be a double joint, a pivot joint, a ball joint and / or a passive joint.
- a passive joint can be a joint without motor drive.
- the adjusting device at least one drive, such as an electric motor, for moving the first bearing element and / or the second bearing element include.
- 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 plurality of points, in particular on different sides of the seat element. This can also be increased protection against lateral tipping over of the chair.
- a distance between an attachment point of the first bearing member to the seat member and the connecting joint may be less than 50%, less than 40%, less than 30% or less than 10% of a length of the seat member. 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 near the ground, can be reduced. Thereby, a freedom of movement of a person treating the patient, such as a doctor or an assistant, in the treatment of the patient can be increased.
- the second bearing element may 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 plurality of points, in particular on different sides of the back element. This can also be increased protection against lateral tipping over of the chair.
- a distance between an attachment point of the second bearing member to the spine member and the connecting joint may be less than 50%, less than 40%, less than 30% or less than 10% of a length of the spine member. 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 near the ground, can be reduced. Thereby, a freedom of movement of a person treating the patient, such as a doctor and / or an assistant, in the treatment of the patient can be increased.
- the adjusting device may comprise a first adjusting device which engages the first bearing element for horizontal and / or vertical adjustment of the seat element.
- the first setting device may comprise a first drive and a first transmission device connected to the first bearing element.
- the first transmission device comprises a stamp or a transmission rod.
- the first drive may comprise a motor, in particular an electric motor, and / or a transmission.
- the first actuating device may comprise a first spindle.
- the first spindle may be a threaded spindle.
- the first spindle can be connected to the first transmission device in order to move it.
- the longitudinal axis of the first spindle may extend orthogonal to a bearing axis of the first bearing member.
- the first bearing element may be formed as a joint bearing.
- the bearing axis of the first bearing element may be a hinge axis of the spherical plain bearing.
- the adjusting device may comprise a second adjusting device, which acts on the second bearing element for horizontal and / or vertical adjustment of the back element.
- the second setting device may comprise a second drive and a second transmission device connected to the second bearing element.
- the second transmission device comprises a stamp or a transmission rod.
- the second drive may comprise a motor, in particular an electric motor, and / or a transmission.
- the second adjusting device may comprise a second spindle.
- the second spindle may 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 may extend orthogonally to a bearing axis of the second bearing element.
- the second bearing element may be designed as a joint bearing.
- the bearing axis of the second bearing element may be a hinge axis of the joint bearing.
- the connecting joint may be formed as a double joint.
- the connecting joint may comprise an angled spacer in order to optimize a tracking of the seat member in an adjustment of the back member and / or a tracking of the back member in an adjustment of the seat member.
- the spacer is at an angle of more than 10 °, more than 20 °, more than 30 °, more than 40 °, more than 50 °, more than 60 °, more than 70 °, more than 80 ° or more than 90 ° angled. This can be advantageous, for example, if the upholstery of the seat element and the back element is particularly thick.
- the angled spacer increases the mobility of the seat member relative to the back member.
- the design of the connecting joint as a double joint additionally brings with it the advantage that a movement of the first bearing element relative to the second bearing element or a movement of the second bearing element relative to the first bearing element via the double joint can be largely independent of each other.
- axial and vertical movements of the seat member and the back member in a change in the positioning of the patient to the body size and the Body proportions of the patient can be adjusted very easily. That is, the distance between the seat and backrest can be varied as needed, with a simple adaptation to specific individual ergonomic characteristics of a patient can be done.
- the chair may further include a control console for controlling a function of the actuator.
- the control console may comprise at least one actuating element, such as a touch-sensitive screen, a dial, a slider, a button, a control pad and / or an analogue 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 may have a communication interface for communicating with a control console.
- the communication interface may be wireless or wired.
- the chair may 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 grips with one hand under the 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 produce a coherent surface.
- the at least one armrest can be attached to the back element in a force-locking and / or form-fitting manner.
- the at least one armrest is bolted or welded to the back element.
- the at least one armrest can be formed wing-shaped and / or narrow.
- FIG. 1A is a schematic representation of a chair for treating a patient according to a first embodiment
- Figure 1 B is a schematic representation of a chair with a double joint between the seat and backrest according to a second embodiment.
- Fig. 1 C is an additional schematic representation of the chair according to the
- Fig. 2 shows a chair for treating the patient according to a third
- FIG. 3 shows the chair for treating the patient according to the third embodiment in a further perspective
- Fig. 4 shows the chair for the treatment of the patient according to a fourth
- Fig. 5 shows the chair for treating the patient according to another
- Figs. 6a-6h the chair to treat the patient according to yet another
- FIG. 1A shows a chair 100 for treating a patient according to a first embodiment.
- the chair 100 has a seat element 1 10 with a first bearing element 1 1 1 rigidly fastened to the seat element 1 10.
- the chair 100 has a back element 120 with a second bearing element 12 1 rigidly attached to the back element 120.
- the chair 100 further includes a connecting hinge 130 which connects the seat member 110 and the back member 120.
- the chair 100 has an adjusting device 140, which acts to move the first bearing element 1 1 1 relative to the second bearing element 12 1 to the first bearing element 1 1 1 and to the second bearing element 12 1.
- the seat member 1 10 and the back member 120 can be moved independently by means of the adjusting device 140 and positioned freely.
- axial and vertical movements of the seat member 1 10 and the back member 120 can be adjusted in a change in the positioning of the patient to the body size and body proportions of the patient.
- changing the position of the patient through this can be perceived as pleasant.
- the adjusting device 140 engages by means of a first transmission device 141 to the first bearing element 1 1 1 and by means of a second transmission device 142 to the second bearing element 12 1.
- the respective transmission devices 141, 142 are formed by punches or transmission rods.
- the first bearing element 1 1 1 spaced from the seat member 1 10 and the second bearing member 12 1 spaced from the back member 120 is disposed.
- the first bearing element 1 1 1 by means of a fastener 1 12 in an attachment point 1 13 rigidly attached to the seat member 1 10 and the second bearing element is fixed by means of a fastener 122 in a mounting point 123 rigidly to the back member 120.
- the fastening elements 1 12, 122 each have a rod shape or a fork shape.
- a distance of the attachment point 1 13 to the connection joint 130 is less than
- a distance of the attachment point 123 to the connecting joint 130 is less than 30% of the length of the back element 120.
- FIG. 1B 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, resulting in more degrees of freedom of the connection joint 130 and relative movement of the first bearing element 1 1 1 to the second bearing element 12 1 or a movement of the second bearing element 12 1 relative to the first bearing element 1 1 1 via the double joint can be largely independent of each other.
- the double joint and the realization of a band or a chain-like connection is conceivable. This would additionally increase the flexibility with regard to the adaptability of the chair 100.
- both the first bearing element 1 1 1 and the second bearing element 12 1 each comprise two spaced bearing element axes. Spaced apart from each other understands this as a distance which is perpendicular to the axial longitudinal direction of the bearing element axes.
- the first bearing element 1 1 1 comprises a first bearing element axis 1 1 1-1 and a second bearing element axis 1 1 1-2.
- the second bearing element 12 1 comprises a first bearing element axis 12 1-1 and a second bearing element axis 12 1-2.
- the spaced apart bearing element axes 1 1 1-1, 1 1 1-2; 12 1-1, 12 1-2 are each in pairs on one of the rigidly with seat member 1 10 and back member 120 connected fasteners 122.
- the first bearing element axis 1 1 1-1 and the second bearing element axis 1 1 1-2 of the first bearing element 1 first 1 are parallel to each other.
- both the first bearing element axis 1 1 1-1 and the second bearing element axis 1 1 1-2 are aligned orthogonal to the fastener 1 12.
- the first bearing element axis 12 1- 1 and the second bearing element axis 12 1-2 of the second bearing element 12 1 parallel to each other and are preferably oriented orthogonal to the fastening element 122.
- FIG. 1C shows a schematic representation of the chair 100 in the embodiment according to the second embodiment, wherein the chair 100 has an alternative ergonomic arrangement.
- the seat element 110 of the chair 100 has a shortened seat length by 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 1 B, in which the seat length is designed to be significantly longer which more the ergonomic requirements for a patient with a larger body length are met.
- the chair 100 may be formed like the chair described in connection with FIG. 1B.
- the chair 100 additionally has a headrest 150.
- the seat member 110 and the back member 120 each have ergonomic, rounded shapes to make sitting and / or lying on the chair 100 more comfortable for the patient.
- the connecting joint 130 is further formed as a double joint 130 with an angled spacer 131, wherein the connecting joint 130 comprises the first joint member 132 and the second joint member 133.
- the chair 100 has two first bearing elements 1 1 1, which are rigidly attached via the fork-shaped fastening element 1 12 at two attachment points 1 13 to the seat element 1 10.
- the first actuator 147 further includes a first driver 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 1 1 1-1 via the first transmission device 141-1.
- the first adjusting device 147 comprises a further first drive, not shown, and a further, not shown, further first spindle, which is connected to the first bearing element 1 1 1-2 via the first transmission device 141-2.
- 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 12 1, which are rigidly attached via the fork-shaped fastening element 122 at two attachment points 123 on the back element 120.
- the second actuator 148 further 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 12 1-1 via the second transmission device 142-1.
- the second adjusting device 148 further comprises a further second drive, not shown, and a further, second, unrepresented spindle, which is connected to the second bearing element 12 1-2 via the second transmission device 142-2.
- the second bearing elements 12 1 are formed by spherical bearings and the second transmission devices 142 by stamp.
- the distance of the first bearing elements 1 1 1 to the seat member 1 10 is more than 10% of the length of the seat member 1 10.
- the distance between the second bearing elements 12 1 to the back member 120 is more than 10% of the length of the back member 120th
- FIG. 3 shows the chair 100 for treating the patient 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 members are formed of metal to increase a mechanical stability of the chair 100.
- the frame members each have openings, in each of which a cushion element can be accommodated.
- a narrow, wing-shaped armrest 124 is integrally formed on the back element 120.
- the fastening point 123-1 of the fastening element 122 lies in the region of the armrest 124.
- the fastening point 123-2 of the fastening element 122 is also located between the armrest 124 and the headrest 150.
- the first setting device 147 has two first drives 143 and two first spindles 144.
- the second actuating device 148 as described in connection with FIG. 2, has two second drives 145 and two second spindles 146.
- the respective transmission devices 141, 142 each have a cuboid shape with rounded ends.
- FIG. 4 shows the chair 100 for treating the patient in a fourth embodiment.
- the chair 100 may be formed like the chair described in connection with FIG.
- the chair 100 additionally comprises cushioning elements which are arranged on the seat element 110, the back element 120 and the headrest 150.
- the padding elements comprise an air-permeable membrane.
- an optimal air circulation can be made possible, whereby sweat formation of the patient can be counteracted.
- the first spindles 144 extend orthogonal to a bearing axis of the first bearing element 11 and the second spindles 146 extend orthogonally to a bearing axis of the second bearing element 12 1.
- 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 lateral tilting of the chair 100 more difficult.
- FIG. 5 shows the chair 100 for treating the patient according to a further embodiment.
- the chair 100 may be formed like the chair described in connection with FIG.
- the actuator 140 of the chair 100 is additionally received in a housing 149.
- the housing 149 is formed as a stand. This makes it possible to arrange the adjusting device 140 at a distance below the seat element 110 and the back element 120. The adjusting device 140 thus engages out of the housing 149 on the first bearing element 1 1 1 and the second bearing element 12 1.
- Figures 6a to 6h show the chair 100 for treating the patient according to a still further embodiment in different positions.
- FIG. 6a shows the chair 100 in a low boarding position in which it is easier for the patient to get into the chair 100.
- FIG. 6b shows the chair 100 in a conversation position in which the seat element 110 and the back element 120 are slightly raised in comparison to the boarding position.
- the patient In the talking position, the patient can be raised vertically such that he is at eye level with the attending person to create a more comfortable conversation atmosphere.
- FIG. 6c shows the chair 100 in a first reclining position, in which the back element 120 is slightly reclined so that the upper body of the patient is above its lower body.
- Figure 6d shows the chair 100 in a second reclining position, in which the back member 120 is reclined so that the patient's upper body and lower body are on the same fleas.
- FIG. 6e shows the chair 100 in a third lying position. As compared to the second lying position, the chair 100 in the third reclining position is raised vertically as a whole to facilitate treatment of the patient by a standing person.
- FIG. 6f also shows the chair 100 in a fourth lying position, in which the back element 120 is reclined so that the upper body of the patient is below its lower body.
- Figures 6g and 6h show the chair 100 in a fifth and a sixth lying position, which are respectively suitable for certain treatments on the patient and require such a lying position.
Landscapes
- 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)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP23169577.6A EP4226904A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01482/17A CH714407A1 (en) | 2017-12-05 | 2017-12-05 | Chair for the treatment of a patient. |
PCT/EP2018/083677 WO2019110675A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23169577.6A Division EP4226904A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3720407A1 true EP3720407A1 (en) | 2020-10-14 |
Family
ID=61282936
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18815636.8A Ceased EP3720407A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
EP23169577.6A Pending EP4226904A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23169577.6A Pending EP4226904A1 (en) | 2017-12-05 | 2018-12-05 | Chair for treating a patient |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP3720407A1 (en) |
CH (1) | CH714407A1 (en) |
WO (1) | WO2019110675A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338632A (en) * | 1966-02-09 | 1967-08-29 | Carl T Kleinsorge | Reclining chair |
DE2752528C2 (en) | 1977-11-24 | 1986-01-02 | Siemens AG, 1000 Berlin und 8000 München | Lifting device with parallelogram linkage, in particular for dental devices |
DE9418730U1 (en) * | 1994-11-25 | 1996-04-18 | Saueressig, Ulrich, Dr.med., 42103 Wuppertal | Patient couch |
CA2330073A1 (en) * | 2001-01-04 | 2002-07-04 | Silhouet-Tone Ltee | Clamping device for controlling rotation of a chair about a support shaft of a base frame |
DE202011109649U1 (en) | 2011-12-30 | 2012-03-14 | Sirona Dental Systems Gmbh | Treatment chair with an adjustment system |
-
2017
- 2017-12-05 CH CH01482/17A patent/CH714407A1/en unknown
-
2018
- 2018-12-05 EP EP18815636.8A patent/EP3720407A1/en not_active Ceased
- 2018-12-05 EP EP23169577.6A patent/EP4226904A1/en active Pending
- 2018-12-05 WO PCT/EP2018/083677 patent/WO2019110675A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019110675A1 (en) | 2019-06-13 |
EP4226904A1 (en) | 2023-08-16 |
CH714407A1 (en) | 2019-06-14 |
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