EP1265577B1 - Fauteuil de traitement pour soins medicaux ou dentaires - Google Patents

Fauteuil de traitement pour soins medicaux ou dentaires Download PDF

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Publication number
EP1265577B1
EP1265577B1 EP01925498A EP01925498A EP1265577B1 EP 1265577 B1 EP1265577 B1 EP 1265577B1 EP 01925498 A EP01925498 A EP 01925498A EP 01925498 A EP01925498 A EP 01925498A EP 1265577 B1 EP1265577 B1 EP 1265577B1
Authority
EP
European Patent Office
Prior art keywords
lever
head support
joint
medical
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.)
Expired - Lifetime
Application number
EP01925498A
Other languages
German (de)
English (en)
Other versions
EP1265577A1 (fr
Inventor
Georg Hummler
Reinhold Von Bank
Karlheinz Rapp
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.)
Kaltenbach and Voigt GmbH
Original Assignee
Kaltenbach and Voigt GmbH
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 Kaltenbach and Voigt GmbH filed Critical Kaltenbach and Voigt GmbH
Publication of EP1265577A1 publication Critical patent/EP1265577A1/fr
Application granted granted Critical
Publication of EP1265577B1 publication Critical patent/EP1265577B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61G15/12—Rests specially adapted therefor, e.g. for the head or feet
    • A61G15/125—Head-rests

Definitions

  • the invention relates to a medical or dental medicine Dental chair with a headrest taking into account different Treatments of the patient is adjustable.
  • a treatment chair of the type specified in the preamble of claim 1 is in the DE 29 32 345 A1 described.
  • this known treatment chair is one Headrest in the middle position by a base joint with the free end of one telescopic support part connected at its other end by a hinge is pivotally connected to a backrest of a treatment chair.
  • a piston-cylinder unit provided at a radial distance from the base joint on the Backrest is articulated and with its other end at the front end of the telescopic support part attacks articulated.
  • the telescopic support part is one Locking device assigned, which allows the telescopic parts to either to lock or release each other. With a second locking device the base joint can either be locked or released.
  • the invention has for its object in a treatment chair after Preamble of claim 1 to improve the support function.
  • a simple design and usability can be achieved.
  • both the intermediate lever and the Headrest levers can be specifically adjusted using the associated adjustment motor, the headrest lever providing a large adjustment range takes a stable position. Due to the positioning of the headrest lever in the entire safety range for the patient improved.
  • the headrest can be adjusted by switching on the Adjustment motors take place in succession or simultaneously. In the latter case, also reduce the response time considerably.
  • Adjusting motors of elongated or rod-shaped construction is particularly good, since it is smaller and more space-efficient Install the construction on the associated lever or have it integrated. This leaves make better use of the adjustment range of the headrest lever and thus enlarge it.
  • Linear actuating motors with one end in one are suitable Effective distance from the pivot axis of the associated swivel joint articulated on the attack one joint part and the other joint part or are supported.
  • the Operating effort to adjust the headrest cushion is low because the Operator only an associated control or a common control needs to operate to the desired or the Switch actuators on or off. It is also possible to have an associated one Train control device so that certain support positions of the Headrest cushions automatically after switching on the adjustment motor (s) a program can be adjusted. This increases the operating effort even further reduced. It is particularly advantageous if the control device is designed such that that the operator can control the control device so that an individual Adjusting the headrest cushion by an appropriate control by the Operator or an adjustment of the headrest cushion according to a program is possible.
  • a further development of the invention according to claim 8 aims at a treatment chair in terms of its suitability for children improve.
  • the headrest can be in one position adjust in which they have a largely transition-free continuation of the base of the shell of the back part.
  • This position is particularly advantageous Child position, which is not only in terms of their small distance from the seat part, but also good for children because of their aligned position with respect to the backrest suitable and ensures an advantageous and safe support of the child's head.
  • the support surface of the headrest can also be trough-shaped, wherein in this form it does not have to extend over its entire length.
  • the trough-shaped form of the support surface is only needed over one of the back parts extend facing partial length of the headrest.
  • the trough In the back facing away End region of the headrest can the trough by a transverse, in particular be rounded bead, in which the trough is preferably oblique or rounded transforms.
  • the main parts of the medical or designated in its entirety with 1 dental treatment chair are in its vertical longitudinal median plane E. preferably position-adjustable seat part 2 with a legrest 3, a backrest 4, the at the rear end of the seat part 2 by a backrest joint 5 with a horizontal joint axis extending transversely to the treatment chair 1 with the Seat part 2 is connected and by a first, not shown in detail Adjustment device around the hinge axis between an upright sitting position and an approximately horizontal lying position adjustable and in the respective adjustment position can be determined by a first locking device, and a headrest 7 with a Base body 8, which by means of one or two in the longitudinal direction of the backrest 4th extending, forming a support part support rods 9 on the backrest 4 adjustable is stored.
  • With 12 is an adjustable first carrier for treatment instruments 13 designated, which are mainly used by the dentist, and with 14 is a adjustable second carrier for treatment instruments 15, which mainly used by an assistant.
  • the headrest 7 by a swivel device 17 in the vertical Longitudinal center plane E of the treatment chair 1 is adjustable and in the respective Pivot position by a second designated in its entirety with 19 Locking device held lockable to the headrest 7 with one on it Front or top pad 21 arranged in a desired support position with respect to a patient's head.
  • the backrest 4 consists of a back base part 4a, which is shown in FIG. 1 only shown joint parts 5a is connected to the backrest joint 5, and a Backrest part 4b, which has a preferably shell-shaped backrest cushion 4c is set. Between the back base part 4a and the backrest part 4b is one hinted guide 6 formed in which the backrest part 4b in the longitudinal direction of the backrest 4 to and fro on the back base part 4a is stored.
  • a first adjustment motor M1 is preferably in rod-shaped design provided with its one, here the Backrest joint 5 facing end is supported on the back base part 4a and with his other, here the backrest joint 5 facing away from the end Backrest part 4b attacks.
  • the adjusting motor M1 preferably has one Electric motor E1 on which its rotational movement in a longitudinal movement converting gear G1 is assigned. This is preferably a spindle drive, the spindle of which is designated S1. Between the electric motor E and the gearbox G1, a reduction gearbox G1a can be provided.
  • the carrier part 16 is in a second arranged in the backrest part 4b, in which Longitudinal direction of the backrest 4 directed longitudinal guide 11 by a second Adjusting motor M2 slidably mounted back and forth.
  • the carrier part 16 is preferably arranged transversely to the vertical longitudinal median plane of the treatment chair 1 flat slider formed to a flat design of the backrest 4 too guarantee.
  • the first servomotor M1 is located on one side next to the Carrier part 16, while the second actuator M2 on the other side next to the Carrier part 16 is arranged.
  • the second adjustment motor M2 is also rod-shaped or elongated design, and it preferably has an electric motor E2, the by a gear converting its rotary motion into a straight-line motion G2 is connected to the carrier part 16.
  • the conversion gearbox G2 is with Embodiment also formed by a spindle drive, the spindle with S2 is designated.
  • the longitudinal guide 11 for the carrier part 16 is by two laterally next to the carrier part 16 longitudinally arranged guide rods 11a, 11b on which the carrier part 16 is held and guided with side bushings 11c, 11d attached to it.
  • the exemplary embodiment is that arranged close to the second adjusting motor M2 Guide rod 11b formed as a spindle S2, which is in screw connection with the as Spindle motor trained sleeve 11d stands.
  • the adjusting motors M1, M2 are arranged outside of the bushings 11c, 11d.
  • the second actuator is M2 connected to the spindle S2 by a belt drive, in particular a toothed belt drive.
  • the pivoting device 17 has an intermediate lever 23, which is on its one End by a first joint 24 with the support part 16 in the vertical Longitudinal center plane is pivotally connected and at its other end by a second joint 25 with a headrest lever 27 in the vertical longitudinal median plane is pivotally connected.
  • the intermediate lever 23 extends from the first joint 24 in an assigned swivel range essentially into that of the backrest 4 opposite direction.
  • the headrest lever 27 is on the head of the the patient facing the treatment chair 1 side of the intermediate lever 23, the intermediate lever 23 and the headrest lever 27 in itself from the figures resulting pivoting areas are pivotable, in which they are parallel to each other extend or enclose a small acute angle between them, which in Direction on the backrest 4 is open (Fig.1 and 3) or a larger one Include backrest 4 towards an open acute angle (Fig. 4).
  • the second joint 25 is preferably arranged at the rear end of the headrest lever 27 so that it in this case extends from the second joint 25 towards the backrest 4 and thus the ends of the levers 23, 27 facing away from the backrest 4 approximately close together.
  • the backrest cushion 21 is on the Side of the headrest lever 27 facing away from the intermediate lever 23.
  • the intermediate lever 23 and the headrest lever 27 are each a so-called wide lever, that is, it consists of two horizontal spaced and upright lever webs 23a, 27a, of which the intermediate lever 23 or both levers closed by a crossbeam 23b which is preferably arranged at the upper edge a rigid lever component are stabilized, the ends of the lever webs 23a can extend freely from the crossbeam 23b.
  • the lever bars 27a of the Headrest lever 27 can by a plate-shaped base part of the Headrest cushion 21 supporting base part to be stabilized on the headrest lever 27 is preferably releasably attached, in particular by manual pressure and Exercise can be clipped on or off. This can be done by one or more Push button connections are used, which are not shown for reasons of simplification.
  • the intermediate lever 23 is by a between this and the support member 16th effective third adjusting motor M3 in the first joint 24 optionally back and forth pivotable.
  • the headrest lever 27 is through one between it and the Intermediate lever 23 effective fourth adjustment motor M4 in the second joint 25 optionally swivels back and forth.
  • the adjusting motors M3, M4 preferably have an elongated or rod-shaped design that is linearly effective in its longitudinal direction is and form push and pull rods, the longitudinal direction of which is essentially in the Longitudinal direction of the associated lever 23,27 is directed.
  • the intermediate lever 23rd assigned adjustment motor M3 is around the joint axis 24a of the joint 24 the offset dimension V1 can be pivoted on the carrier part 16 in the pivoting plane supported, with its other end at a larger effective distance from the joint 24 also pivots on the intermediate lever 23, preferably in the second joint 25.
  • the offset dimension V1 is preferably facing away from the headrest link 27 Side directed.
  • the adjustment motor M4 assigned to the headrest link 27 with respect to the hinge axis 25a of the second hinge 25 transversely by the offset dimension V2 offset supported on the intermediate lever 23, with its other end in one larger effective distance from the joint 25 articulated to the headrest lever 27 is, preferably in the end region facing the backrest 4.
  • the Headrest lever 27 is preferably an angular lever with a transverse lever arm 27c, which is assigned to the second joint 25 End area to the side facing the intermediate lever 23 towards an angle or protrudes curved and at its free end in the second joint 25 with the Intermediate lever 23 is connected.
  • the intermediate lever 23 has the second End region facing joint 25 has a transversely projecting lever arm 23c which extends extends to the side facing the headrest cushion 21 and is articulated with the associated end of the actuator M4 is connected.
  • the liaison offices for the Adjusting motors M3, M4 are preferably through joints 31, 32, 33 with hinge pins formed, each a hinge part of the interconnecting parts in hinge eyes by grasp.
  • each two lever arms 23c, 27c which have a transverse spacing from one another and which can be formed by extensions of the lever webs 23a, 27a.
  • the Adjusting motors M3, M4 are preferably between the lever webs 23a, 27a arranged, whereby a narrow or low design can be achieved.
  • the Length of the adjusting motors M3, M4 can essentially be the length of the levers 23, 27 correspond.
  • the adjustment motors M3, M4 can be operated by hydraulic or pneumatic piston-cylinder units be formed or have electric motors E3, E4, each of which a gearbox G3 converting its rotary movement into a longitudinal movement, G4 is assigned, preferably a spindle drive, the spindle S3, S4 of which is part of the can form two telescopic servomotor parts.
  • switching element e.g. on a control unit or foot switch, with which the operator can optionally switch the adjustment motors M3, M4 on and off can.
  • the operator can optionally switch the adjustment motors M3, M4 on and off can.
  • the headrest 7 has a cup-shaped or trough-shaped shape transverse to the swivel plane Head support surface 34, which face at least on one of the backrest 4 Longitudinal section extends substantially straight. In the backrest 4 facing away Area, the head support surface 34 can run out, as a result of which in the associated end area arranged cross bead 35 of the cushion 21 can be formed.
  • the headrest 7 can be adjusted into a child position shown in FIG. 3, in which pushed the headrest cushion 21 directly or close to the backrest cushion 4c is.
  • the head support surface 34 is substantially aligned with the Base of the shell or with the back support surface 36 of the backrest 4 Head support surface 34 a largely transition-free continuation of the bottom of the shell Backrest 4, which preferably also in the sense of a transverse to the swivel plane Shell is trough-shaped.
  • the Base of the backrest 4 and base of the headrest 7 together, making the head of a child on the dental chair beneficial is supported.
  • due to the fact that it extends at least over a longitudinal section straight extending head support surface 34 and the other due to the setting of the Distance of the back surface part 4b from the backrest joint 5 can also be children of different sizes achieve an advantageous support of the head.
  • the backrest 4 preferably has a recess 37 at its free end, into which the headrest 7 can be moved, in particular for the child position
  • the four adjustment motors M1 to M4 can be used by any dentist required position can be achieved with all required types of treatment. So is it is possible to choose the ideal one for different types of treatment and different people To reach the setting of the treatment chair 1.
  • the child position according to Fig. 3 and an increased round back position can thus be adjusted by motor.
  • the adjustment motors are programmed by a program control so that the Headrest movements and the movement of the backrest 4 the anatomical Movements of the patient are adjusted. That is, at times two, three or four Vertical motors work simultaneously and perform different movement steps.
  • each of the four adjustment motors can be activated individually using a switch and thus the ideal head / back position can be achieved.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Fluid-Damping Devices (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (9)

  1. Fauteuil de traitement pour soins médicaux ou dentaires (1) comportant
    une assise (2)
    un dossier (4)
    un élément porteur (16) placé sur le dossier (4)
    un levier intermédiaire (23) dont l'une des extrémités est reliée à l'élément porteur (16) de manière à basculer,
    un levier d'appui-tête (27) dont l'une des extrémités est reliée à l'autre extrémité du levier intermédiaire (23) de manière à basculer et qui porte un coussin d'appui-tête (21),
    et un servomoteur de levier intermédiaire (M3) qui agit entre l'élément porteur (16) et le levier intermédiaire (23),
    caractérisé par
    un servomoteur de levier d'appui-tête (M4) qui agit entre le levier intermédiaire (23) et le levier d'appui-tête (27).
  2. Fauteuil de traitement pour soins médicaux ou dentaires selon la revendication 1,
    caractérisé en ce que
    les servomoteurs (M3, M4) sont des servomoteurs à action linéaire, le servomoteur de levier intermédiaire (M3) s'appuyant, à une distance active (V1) de la première articulation (24) de manière articulée sur le support (16) et agissant sur le levier intermédiaire (23) et le servomoteur de levier d'appui-tête (M4) s'appuyant à une distance active (V2) de la deuxième articulation (25) de manière articulée sur le levier intermédiaire (23) et agissant sur le levier d'appui-tête (27).
  3. Fauteuil de traitement pour soins médicaux ou dentaires selon la revendication 2,
    caractérisé en ce que
    le servomoteur de levier intermédiaire (M3) agit sur la deuxième articulation (25).
  4. Fauteuil de traitement pour soins médicaux ou dentaires selon la revendication 2 ou la revendication 3,
    caractérisé en ce que
    le servomoteur de levier d'appui-tête (M4) agit sur un bras transversal (23c) du levier intermédiaire (23), le bras transversal (23c) s'éloignant vers le côté tourné vers le levier d'appui-tête (27) dans la zone d'extrémité tournée vers la deuxième articulation (25) du levier intermédiaire (23).
  5. Fauteuil de traitement pour soins médicaux ou dentaires selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le levier d'appuie-tête (27) forme un angle avec un bras transversal (27c) qui est éloigné, par exemple en formant un angle ou une courbe, par rapport au côté tourné vers le levier intermédiaire (23) dans la deuxième zone d'extrémité tournée vers la deuxième articulation (25).
  6. Fauteuil de traitement pour soins médicaux ou dentaires selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les points de liaison entre les servomoteurs (M3, M4) et les leviers (23, 27) sont formés par des articulations (25, 31, 32, 33), de préférence avec des axes d'articulation qui traversent les yeux d'articulation correspondants.
  7. Fauteuil de traitement pour soins médicaux ou dentaires selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les leviers (23, 27) présentent chacun au moins deux bras de levier (23a, 27a) à une distance transversale l'un de l'autre, qui sont reliés entre eux par une entretoise transversale (23b, 27b).
  8. Fauteuil de traitement pour soins médicaux du dentaires selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    t'appui-tête (7) peut être déplacé de façon à ce qu'il y ait une transition en alignement du coussin d'appui-tête avec le coussin du dossier lorsque le coussin d'appui-tête (21) est repoussé directement ou à proximité contre le coussin de dossier.
  9. Fauteuil de traitement pour soins médicaux ou dentaires selon revendication 8,
    caractérisé en ce que
    le dossier (4) présente, en son extrémité libre, un évidement dans lequel l'appui-tête (7) peut coulisser.
EP01925498A 2000-03-22 2001-03-22 Fauteuil de traitement pour soins medicaux ou dentaires Expired - Lifetime EP1265577B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10014063A DE10014063A1 (de) 2000-03-22 2000-03-22 Medizinischer oder dentalmedizinischer Behandlungsstuhl oder eine Kopfstütze für einen solchen Behandlungsstuhl
DE10014063 2000-03-22
PCT/EP2001/003270 WO2001070169A1 (fr) 2000-03-22 2001-03-22 Fauteuil de traitement pour soins medicaux ou dentaires

Publications (2)

Publication Number Publication Date
EP1265577A1 EP1265577A1 (fr) 2002-12-18
EP1265577B1 true EP1265577B1 (fr) 2003-11-26

Family

ID=7635824

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01103986A Expired - Lifetime EP1138306B1 (fr) 2000-03-22 2001-02-19 Fauteuil de soins médicaux ou dentaires et repose tête pour un tel fauteuil
EP01925498A Expired - Lifetime EP1265577B1 (fr) 2000-03-22 2001-03-22 Fauteuil de traitement pour soins medicaux ou dentaires

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01103986A Expired - Lifetime EP1138306B1 (fr) 2000-03-22 2001-02-19 Fauteuil de soins médicaux ou dentaires et repose tête pour un tel fauteuil

Country Status (7)

Country Link
US (2) US6520585B1 (fr)
EP (2) EP1138306B1 (fr)
JP (2) JP4721604B2 (fr)
DE (3) DE10014063A1 (fr)
DK (2) DK1138306T3 (fr)
ES (2) ES2306680T3 (fr)
WO (1) WO2001070169A1 (fr)

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IT232067Y1 (it) 1994-09-15 1999-08-16 Stern Weber Srl Poggiatesta perfezionato, in particolare per poltrone per uso odontoiatrico
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DE29620800U1 (de) 1996-11-29 1998-03-26 Kaltenbach & Voigt Gmbh & Co, 88400 Biberach Einstellbare Kopfstütze für einen ärztlichen oder zahnärztlichen Behandlungsstuhl
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ES2210149T3 (es) 2004-07-01
DE50101034D1 (de) 2004-01-08
DK1138306T3 (da) 2008-10-20
DE50114030D1 (de) 2008-07-31
US6520585B1 (en) 2003-02-18
JP4674330B2 (ja) 2011-04-20
JP2003527206A (ja) 2003-09-16
JP2001299838A (ja) 2001-10-30
US7032975B2 (en) 2006-04-25
DE10014063A1 (de) 2001-09-27
EP1138306B1 (fr) 2008-06-18
EP1138306A1 (fr) 2001-10-04
ES2306680T3 (es) 2008-11-16
WO2001070169A1 (fr) 2001-09-27
DK1265577T3 (da) 2004-03-15
EP1265577A1 (fr) 2002-12-18
US20030030314A1 (en) 2003-02-13
JP4721604B2 (ja) 2011-07-13

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