EP2170240A1 - Behandlungsstuhl mit kopfstützensteuerung und verfahren für das verstellen eines behandlungsstuhls - Google Patents
Behandlungsstuhl mit kopfstützensteuerung und verfahren für das verstellen eines behandlungsstuhlsInfo
- Publication number
- EP2170240A1 EP2170240A1 EP08750130A EP08750130A EP2170240A1 EP 2170240 A1 EP2170240 A1 EP 2170240A1 EP 08750130 A EP08750130 A EP 08750130A EP 08750130 A EP08750130 A EP 08750130A EP 2170240 A1 EP2170240 A1 EP 2170240A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- headrest
- backrest
- sensor system
- treatment
- treatment chair
- 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
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 238000012935 Averaging Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000004373 mandible Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001953 sensory 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
- 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
Definitions
- the invention relates to a dental chair for a dental treatment unit and to a method for adjusting the dental chair.
- the treatment chair has a backrest and an adjustable arranged on the backrest using egg ⁇ ne bearing assembly at least at an inclination angle about a pivot axis headrest and is connected via at least one control unit and at least one motor partially adjustable.
- patient chairs which are automatically adjustable to control the patient ⁇ storage.
- a plurality of positions of the treatment chair via the control and Re ⁇ gelong in a memory can be retrieved and can be adjusted via an operating element.
- Each position of the loading treatment chair are associated with different angles of inclination Rue ⁇ backrest and height level of the seat portion.
- each position of the treatment chair is assigned to a single input element, such as a key on the operating element.
- the treatment chair is brought into a position in which the backrest is arranged very obliquely, with a large angle of inclination.
- the backrest In a Un ⁇ terkiefer analog the backrest is arranged with a small angle of inclination ⁇ ren. After or while the treatment chair approaches the respective automatic position, the inclination angle of the headrest is adjusted. In the event of the upper jaw treatment must be overstretched the patient's head, for which the headrest is also to be arranged at a very large angle of inclination.
- the object of the invention is to design and arrange a treatment chair such that a simple and precise adaptation of the angle of inclination of the headrest to the angle of inclination of the backrest is ensured.
- At least one position of the headrest with respect to its angle of inclination can be detected via a sensor system.
- an electrical headrest control signal from the sensor system it ⁇ zeugbar and be transmitted to the control and regulating unit for the Steue ⁇ tion of the engine.
- the over the headrest not ⁇ agile location of the patient's head with respect to the back rest is ⁇ basis for further automatic setting in ⁇ development of the chair.
- the headrest control signal generated by the adjustment of the headrest regulates the absolute position or inclination of the backrest and possibly other treatment chair parts.
- the treatment chair has to ⁇ additionally to the back rest a foot part and a seat part, wherein at least one of these specialistssstuhltei- Ie is at least indirectly adjustable on the motor.
- the head restraint all other societysstuhltei ⁇ le be automatically adapted to the treatment or operation situation or to the angle of inclination of the headrest.
- the reason for the dependence of the inclination angle of the head support ⁇ that first the type of treatment or surgery is decisive for the absolute inclination angle of the headrest.
- the angle of inclination of the headrest is decisive for the adjustment of the other treatment chair parts, such as the backrest, for example, because extreme
- Inclination angle of the headrest to the rear can not be achieved for ergonomic reasons without tilting the backrest also to the rear.
- the sensor system is embodied in such a way that a manual or automatic adjustment of the headrest about the pivot axis with a resolution in the range between 1 degree and 65 degrees, in particular between 10 degrees and 22 degrees, can be detected by the sensor system.
- the headrest can be adjusted within a certain range or within an angular sector about the pivot axis manual or auto matically ⁇ . Fine adjustment of the headrest is thus possible without automatic adaptation of the treatment chair.
- the manual or automatic adjustment of the headrest about the pivot axis with a resolution in the range between 1 degree and 65 degrees, in particular between 10 degrees and 22 degrees
- Adjustment of the headrest causes over an automatic adjustment that even fewer adjustment steps for optimal patient positioning are necessary because the manual adjustment very precise and from which according to the invention, the adaptation of the treatment chair without further adjustment ⁇ steps.
- Additional adjustment of the headrest as in ⁇ example, along a straight or curved slide can be combined with the possibility of pivoting about the pivot axis.
- the ability to detect a rela- tive or absolute position of the headrest and an automatic adjustment of the chair vorzuse ⁇ hen, can be realized not only about the pivot axis in relation to the movement of the headrest.
- the sensor system supply angle of the inclination of the headrest absolute in relation to a Hori ⁇ zontal captured.
- ⁇ in a horizontal line is equivalent to a vertical.
- the choice of the reference system for the Erfas ⁇ solution of the inclination angle is arbitrary.
- the backrest is mounted on the motor about an axis of rotation adjustable on the seat part.
- This axis of rotation is arranged parallel to the pivot axis of the headrest.
- the seat part is mounted on the foot part and to be adjustable in height via the motor.
- the entire treatment chair is raised or lowered depending on the position of the backrest.
- the aim is for ei ⁇ ner changing the position of the chair, the Be ⁇ action- or surgical field as much as possible to make constant po ⁇ sitioned.
- the difference in height generated by an adjustment of the backrest of the treatment or RUE O peration field is compensated by the height adjustment of the seat ⁇ part or of the foot part.
- at least one separate motor is assigned to each adjustable treatment chair part . This individual Verstel ⁇ development of individual treatment chair parts is simplified. Each motor is controlled centrally via the control unit.
- the motor is mechanically coupled via at least one transmission element and / or via a pressure medium line with the treatment chair part.
- the drive options are diverse, but any drive option can be combined with the position specification according to the invention via the headrest.
- the headrest is pivotable about the pivot axis manually or via an electric drive.
- the detection of the angular position of the headrest can be done via the sensor system in both a manual and an electrical adjustment of the headrest.
- the sensor system will be designed differently depending on the adjustment. In the case of an electrical adjustment, the detection of the angle of inclination could be integrated in the drive motor.
- the sensor system detects the angle of inclination of the headrest relative to the backrest.
- a so-called back plane is defined, which serves as a reference for determining the angle of inclination of the backrest and for the determination of the relative angle between the head restraint and Rue ⁇ backrest.
- the relative angle between the headrest and the backrest is decisive. This it is set to Be ⁇ beginning, so that the rest of the setting of the treatment chair is automatic. In that sense, the relative Angle of the headrest to the backrest sufficient to initiate the adjustment of the treatment ⁇ chair described above.
- the sensor system for detecting the pivoting position of the headrest about the pivot axis has a potentiometer or a differential capacitor or an angular momentum generator.
- a fixed reference point for the sensor system to the backrest is present, whereby the relative adjustment of the headrest to the backrest he is ⁇ tangible.
- This reference point can be used above all for the potentiometer to which the rotation of the headrest is transmitted with the same effect.
- a differential capacitor is used, a relative relation to the backrest is not necessary , since with the differential capacitor the absolute angle of inclination of the headrest can be detected.
- the sensor system is arranged in the backrest and / or in the bearing arrangement and / or in the headrest.
- the assignment is significantly dependent on the type of sensor system.
- the invention relates to a method for controlling such a treatment chair for a dental ⁇ medical treatment unit which is at least partially ⁇ least electrically adjustable.
- the treatment chair has, as described above, at least one foot part, a seat part arranged on the foot part, a backrest rotatably mounted on the seat part about a rotation axis, and a headrest adjustable on the backrest at a tilt angle about a pivot axis.
- This method comprises the method steps that at first a manual and / or automatic adjustment of the inclination angle of the headrest by a sensor system is detected, then at least one electric headrest control signal is generated by the sensor system and then in response to this headrest control signal the control of the motor for the adjustment of the back rest and / or the seat part takes place.
- the inclination angle of the headrest is advanced ⁇ passed by value, to adjust the remaining treatment chair in this method.
- the adjustment of the angle of inclination of the headrest relative to the backrest is provided by the Sensorys ⁇ system.
- FIG. 1 shows a perspective view of a dental treatment unit with a treatment chair
- Figure 2 is a schematic side view of a treatmen ⁇ lung chair in a basic position.
- FIG. 3 shows a schematic side view according to FIG. 2 in a first treatment position
- Fig. 4 is a schematic side view of FIG. 2 in a second treatment position.
- a treatment unit 1 shown in Fig. 1 comprises egg ⁇ NEN treatment chair 2 and arranged next to the treatment chair 2 operating element 5, through which the treatment ⁇ unit 1 is adjustable and can be placed on the tool and treatmen ⁇ lung material.
- a monitor 50 or a display is provided as a further Constant ⁇ unit.
- the operating element 5 is fastened via a support arm 60 to a stand 6, which is placed next to the treatment chair 2.
- a stand 6 On the stand 6, an operating ⁇ light 61 is further arranged, which is individually positionable.
- the treatment chair 2 comprises a mounted on a foot part 23 and a seat portion 22 on the seat portion 22 about a rotary axis D rotatably mounted back rest 21 and a Beinab ⁇ position 24.
- a mounted on a La ⁇ geran angel 4 headrest 20 is arranged, which is pivotable about a pivot axis S.
- an integrated or separately formed leg rest 24 is present.
- one or more Mo ⁇ gates 31 are provided which form the drive for the rotational and pivotal movements via a Ge ⁇ gear unit, not shown, or via a likewise not shown pneumatic or hydraulic system.
- the adjustment is initiated, for example via the control element 5, are transmitted via the corresponding setpoint specifications to a control and Re ⁇ geliki 3, which controls the motor 31.
- the control unit 3 is connected via control lines 32 with a motor 31 for driving the backrest 21 and with a Mo ⁇ gate 31 for driving the seat part 22.
- a control line 32 between the control and regulation unit 3 and the control element 5 is provided.
- a tilt angle must N ⁇ of the head restraint 20 and an inclination angle N of R legileh ⁇ ne 21 can be adjusted.
- ⁇ N R of the backrest 21 has a height B is set H of the seat part 22 and the height of the chair 2 in the direction of a vertical V.
- the inclination angle of the headrest 20 and the backrest 21 are rela ⁇ tively defined to a horizontal H.
- the inclination angle N R of the backrest 21 detects a valve disposed in the backrest 21.
- the sensor system 30 includes a relative angle R between the headrest 20 and the backrest 21.
- the relati ⁇ ve Angle R is defined over the planes in which the headrest 20 and the backrest 21 are arranged.
- the headrest 20 is a head plane E ⁇ and the backrest 21 associated with a back plane E R. Reference to the embodiments according to FIGS. 2 to 4, this dependence is explained in detail.
- the treatment chair 2, according to FIG. 2 has a basic position B1, in which the patient takes place on the treatment chair 2.
- This basic position Bl is assigned a position Kl of the headrest 20, a position R1 of the backrest 21, and a position S1 of the seat part 22.
- the relative angle R between the head plane E ⁇ of the headrest 20 and the back plane E R of the backrest 21 is relatively small.
- the leg support 24 here is separate from the seat portion 22 is formed and may be adjustable gege ⁇ appropriate, with respect to this.
- the sensor system 30 detects the angular displacement of the relative angle R of the headrest 20 relative to the seat back 21 in this position K2. Integrated via the control and crizein- 3 is introduced, the adjustment of the backrest 21 and the seat portion 22 due to a corresponding signal Sen ⁇ sorsystems 30 and carried out. These are in the control unit a position R2 of the backrest 21 and a position S2 of the seat part 22 is stored, in which the backrest 21 and the seat part 22 are adjusted via the Mo ⁇ gate 31. Starting from the basic position Bl as shown in FIG. 2 or from the position B2 of Fig. 3, the headrest 20 can ⁇ example, in a further position K3 of FIG. 4 can be adjusted in terms of position B3 of the treatment chair 2.
- This position K3 of the headrest 20 serves, for example, to perform an upper jaw treatment in which the cervical spine is overstretched.
- Ver ⁇ position of the head restraint 20 from the position Kl or position K2 into the position K3, the position change of the sensor system 30 is detected and integrated over the control and crizein- 3, the adjustment of the backrest 21 and the seat ⁇ part 22 causes.
- the backrest 21 pivots to a position R3 and the seat part 22 is raised to a position S3.
- the headrest 20 thus serves as an input element, can be accessed and adjusted via the positions of the other treatment ⁇ treatment chair parts such as the backrest 21 or the seat part 22.
- the aim is that the position of the patient is adjusted by the setpoint input via the headrest 20.
- the backrest 21st further inclined backwards.
- the position of the treatment conversion or the surgical field is maintained, is equal to from ⁇ raised as the seat part 22, so that for example the top edge of the backrest 21 in two positions in FIG. 3 and 4 are arranged at the same height.
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)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710022037 DE102007022037B3 (de) | 2007-05-08 | 2007-05-08 | Behandlungsstuhl mit Kopfstützensteuerung und Verfahren für das Verstellen eines Behandlungsstuhls |
| PCT/EP2008/055608 WO2008135587A1 (de) | 2007-05-08 | 2008-05-07 | Behandlungsstuhl mit kopfstützensteuerung und verfahren für das verstellen eines behandlungsstuhls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2170240A1 true EP2170240A1 (de) | 2010-04-07 |
| EP2170240B1 EP2170240B1 (de) | 2014-03-05 |
Family
ID=39687025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08750130.0A Not-in-force EP2170240B1 (de) | 2007-05-08 | 2008-05-07 | Behandlungsstuhl mit Kopfstützensteuerung und Verfahren für das Verstellen eines Behandlungsstuhls |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2170240B1 (de) |
| DE (1) | DE102007022037B3 (de) |
| DK (1) | DK2170240T3 (de) |
| ES (1) | ES2461795T3 (de) |
| WO (1) | WO2008135587A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104586598A (zh) * | 2015-02-04 | 2015-05-06 | 蒙毅嘉 | 口腔综合治疗椅 |
| US10071010B2 (en) * | 2016-05-04 | 2018-09-11 | Richard Bailey | Method and apparatus for performing on-site mobile dentistry |
| CN113633508A (zh) * | 2021-08-27 | 2021-11-12 | 西安交通大学 | 一种自适应头枕装置及其操作方法 |
| EP4406524B1 (de) * | 2023-01-26 | 2025-08-06 | KaVo Dental GmbH | Medizinischer behandlungsstuhl mit verstellbarer rückenlehne und kopfstütze |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59009354D1 (de) * | 1990-12-19 | 1995-08-03 | Siemens Ag | Zahnärztlicher Patientenstuhl. |
| DE59105010D1 (de) * | 1991-06-10 | 1995-04-27 | Siemens Ag | Zahnärztlicher Patientenstuhl mit verstellbarer Kopfstütze. |
| DE4306466A1 (de) * | 1992-05-18 | 1993-11-25 | Ulrich Dr Kurze | Verfahren und Vorrichtung zur behandlungsgerechten Lagerung eines Patienten |
| DE59204364D1 (de) * | 1992-09-24 | 1995-12-21 | Siemens Ag | Zahnärztlicher Patientenstuhl. |
| DE10147349A1 (de) * | 2001-03-27 | 2002-10-02 | Kaltenbach & Voigt | Medizinischer oder dentalmedizinischer Behandlungsstuhl |
-
2007
- 2007-05-08 DE DE200710022037 patent/DE102007022037B3/de not_active Expired - Fee Related
-
2008
- 2008-05-07 WO PCT/EP2008/055608 patent/WO2008135587A1/de not_active Ceased
- 2008-05-07 DK DK08750130.0T patent/DK2170240T3/da active
- 2008-05-07 ES ES08750130.0T patent/ES2461795T3/es active Active
- 2008-05-07 EP EP08750130.0A patent/EP2170240B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008135587A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007022037B3 (de) | 2008-11-13 |
| EP2170240B1 (de) | 2014-03-05 |
| ES2461795T3 (es) | 2014-05-21 |
| WO2008135587A1 (de) | 2008-11-13 |
| DK2170240T3 (da) | 2014-05-05 |
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