EP1652505A2 - Fauteuil de traitement, en particulier fauteuil de traitement dentaire - Google Patents

Fauteuil de traitement, en particulier fauteuil de traitement dentaire Download PDF

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Publication number
EP1652505A2
EP1652505A2 EP05023282A EP05023282A EP1652505A2 EP 1652505 A2 EP1652505 A2 EP 1652505A2 EP 05023282 A EP05023282 A EP 05023282A EP 05023282 A EP05023282 A EP 05023282A EP 1652505 A2 EP1652505 A2 EP 1652505A2
Authority
EP
European Patent Office
Prior art keywords
seat part
chair according
treatment chair
adjusting
hinge
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
Application number
EP05023282A
Other languages
German (de)
English (en)
Other versions
EP1652505A3 (fr
EP1652505B1 (fr
Inventor
Georg Hummler
Reinhold Von Bank
Andreas Speh
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 EP1652505A2 publication Critical patent/EP1652505A2/fr
Publication of EP1652505A3 publication Critical patent/EP1652505A3/fr
Application granted granted Critical
Publication of EP1652505B1 publication Critical patent/EP1652505B1/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
    • A61G15/02—Chairs with means to adjust position of patient; Controls therefor

Definitions

  • a treatment chair of the present type is described in DE 34 38 617 A1. It is in the known treatment chair to a dialysis chair with a seat part, at the front end of a leg rest is mounted up and swiveled and at the rear end of a legislativelehen is mounted and pivoted up. In order to easily pivot the backrest and the legrest in a substantially horizontal position, the backrest and the legrest are interconnected by an arcuate and the seat part under cross-connecting element causes a simultaneous forced movement of the legrest and the backrest.
  • the seat part of a treatment chair can be made height-adjustable by a height adjustment device in order, for. to be able to adjust different treatment heights. It is also known to adjust the seat part in a tilt position with a sloping back slope.
  • the invention has for its object to improve a dental chair of the present type with respect to the inclination adjustment of the seat part. This object is solved by the features of claim 1. Advantageous developments of the invention are described in the subclaims.
  • the treatment chair according to claim 1 according to the invention is arranged between the height adjustment and the seat part an adjusting device for adjusting a tilt position with sloping backwards slope for the seat part and for resetting, wherein the adjusting device is adjustable independently of the height adjustment device.
  • This configuration makes it possible to adjust the seat part regardless of the height adjustment device with respect to its inclination and reset.
  • the height adjustment device adjusts the seat part in parallel, it is possible to maintain the respective inclination of the seat part in the height adjustment.
  • a height adjustment is a four-joint Parallelogrammhebelanaku.
  • the invention is based on the further object of improving the inclination adjustability of the seat part and the leg rest in a treatment chair of the present type.
  • a common adjusting motor is provided for adjusting the seat part and for pivoting the leg rest, which pivots the leg rest toward its upper position when adjusting the seat part in its inclination position.
  • the invention is based on the further object to improve the tilt adjustability of the seat part and the backrest in a dental chair according to the present type.
  • a common adjusting motor is provided for adjusting the seat part in its tilt position and for pivoting the backrest, which adjusts the backrest in a downward pivoting position when adjusting the seat part in its tilt position.
  • features are included which further simplify the construction, lead to small and space-saving integratable into the treatment chair configurations and ensure a simple and easy-bodied adjustment functions for the patient.
  • the treatment chair denoted by 1 in its entirety, has a head end 1a, which faces a foot end 1b in the longitudinal direction of the treatment chair 1.
  • the illustrated in Fig. 2 vertical longitudinal center plane of the treatment chair 1 is denoted by E.
  • the main parts of the treatment chair 1 are a support frame 2 which can be set up on the floor, a seat part 3 which is arranged in the upper region of the support frame 2, a flat leg support 4 which can be pivoted upwards and downwards by a hinge 5 with a horizontal hinge axis 5a the seat part 3 is connected, a flat foot rest 6, which is displaceably mounted on the leg rest 4 in its longitudinal direction and can be pushed out beyond the free end of the leg rest 4, a back rest 7 which is deflected by a joint 8 with a horizontal articulation axis 8a. and swiveling connected to the treatment chair 1 or attachments thereof.
  • the seat part 3, the leg rest 4 and the backrest 7 form a Guatemalaoberteil 11 which is supported by a senatornverstellvorraum 12 adjustable in height on the support frame 2, which in the embodiment a parallelogram with an upper and a lower Parallelogrammhebel 13a, 13b, in two superimposed arranged front parallelogram joints 14, 15 are mounted on the support frame 2 up and down, for example, between two lateral vertical support walls 16 of the support frame 2 of which in Fig. 1, only one support wall 16 is visible.
  • the rear ends of the Parallelogrammhebel 13 a, 13 b are connected in two rear and superimposed joints 17, 18 mounted with two lateral supports which extend upwards to the seat part 3 and the rear Wear end area.
  • This four-joint parallelogram linkage can be raised and lowered by an adjusting motor (not shown), eg a hydraulic cylinder or an adjusting spindle, with the upper part 11 supported thereon, for example to adjust the height of the seat part 3.
  • the seat part 3 is adjustable by a tilt adjustment either up and down in a tilt position with sloping backwards slope.
  • an adjusting device 22 may be provided, which is preferably also provided for pivoting up and down the leg rest 4. It is also provided in particular a common adjusting motor for simultaneous adjustment of the seat part and the leg rest 4, which will be described below.
  • the leg rest 4 and the backrest 7 a common, designated in its entirety by 24 adjustment provided so supported by thestrongnverstellmechanismus 12 and arranged that in each height adjustment by the height adjustment mechanism 12, the seat part 3 in the intended inclination position is adjustable, preferably simultaneously with the leg rest 4 and the backrest 7 is adjustable, with a common adjusting motor 25, with the seat part 3 and the leg rest 4 and / or the seat part 3 and the backrest 7 with the Seat part 3 are adjustable in its tilt position.
  • the upper part of the chair 11 is adjustable by the adjusting device 24 with the adjusting motor 25, so that participate in the inclination adjustment of the seat part 3, the leg rest 4 and the backrest 7 and adjusted simultaneously.
  • the leg rest 4 and / or the backrest 7 can be adjusted simultaneously by the adjusting device 22 and / or 23.
  • the adjusting device 24 has a lever 31, which is designed in the sense of a broad lever extending in the transverse direction of the treatment chair 1 and by a arranged in the rear lower portion of the support frame 2 joint 32 about its horizontally and transversely extending hinge axis in the vertical longitudinal center plane E pivotable with the Parallelogrammhebel 13b and thereby with the support frame 2 is connected.
  • the lever 31 extends upwardly from the hinge 32 and is pivotally connected at an upward distance a from the hinge 32 by a hinge 33 with a hinge axis extending parallel to the hinge axis to a support member 34 also formed in the transverse direction as a broad part is and with two carrier side walls 34a, the lever 31 can overlap.
  • the support member 34 is pivotally connected in a joint 36 with the joints 31, 33 parallel hinge axis with the support frame 2 and thereby supported thereon.
  • the support member 34 is connected by the hinge 36 with the rear end portion of the upper parallelogram lever 13a.
  • the support member 34 also has two lateral side walls 34 a, which extend upwards and forwards and support the seat part 3.
  • the upward distance b of the joint 36 from the joint 32 is denoted by b.
  • the joints 17, 36 on the one hand and the joints 18, 32 on the other are each arranged coaxially.
  • the upwardly extending from the hinge 32 lever 31 is pivotally connected in its upper region by a hinge 37 with the above-described joints also parallel hinge axis with a push rod 38 which extends under the seat part 3 forward and at its front end by a Joint 39 at a distance c from the hinge axis 5a connected to the leg rest 4.
  • the upper end of the lever 31 is connected by a hinge 41 to a connecting lug 42 which is connected by a hinge 43 to a circular arcuate curved segment 44 which is curved about the hinge axis 8a and in a corresponding bowing guide 45, e.g. a roller guide is slidably mounted.
  • the curve segment 44 and the guide 45 form the joint 8, by which the backrest 7 is mounted on the upper part 11 of the chair.
  • the guide 45 is disposed on the associated support side wall 34a.
  • the adjusting motor 25 is an elongated component and formed for example by a hydraulic cylinder or a spindle motor with an adjusting rod 25a.
  • the elongated adjusting motor 25 is connected at its front end by a hinge 46 vertically pivotally connected to the front end portion of the support member 34.
  • the rear end of the adjusting motor 25 is connected by a hinge 47 vertically pivotally connected to the lever 31, which is arranged for example in the middle height range of the lever.
  • the adjusting motor 25 is below the push rod 38. In this case, these two parts be laterally offset from one another.
  • the push rod 38 is arranged centrally while the adjusting motor 25 is arranged laterally offset.
  • the hinge 39 between the push rod 38 and the leg rest 4 is preferably arranged on a sliding carriage 51 which is slidably mounted in a longitudinal guide 52 in the leg rest 4 and connected to the foot rest 6, so that when moving the slide 51 forward or ., the footrest 6 is pushed back and forth to the rear.
  • the function of the adjusting device 24 for setting a sloping rearward inclination of the seat part 3 will be described below.
  • the treatment chair 1 is in its position according to FIG. 1 in the insertion position, in which the leg rest 4 is pivoted downwards, the backrest 7 is pivoted upwards, and a patient sits down on the treatment chair 1.
  • the seat part 3 In this entry position, the seat part 3 is in its lowest position, in which it is e.g. extends substantially horizontally.
  • the adjusting motor 25 is in its extended position.
  • Fig. 3 shows such an intermediate position in which the leg rest 4 is pivoted upwards, e.g. by about 45 °, the footrest 6 is pushed out by one piece, e.g. about half the Ausschubweg or something more, and the backrest 7 is slightly swung.
  • Fig. 5 shows a further tilted-tilt position of the seat part 3 or upper part of the chair 11, in which the leg rest 4 is further swung out, e.g. by about 60 °, in which the footrest 6 is further extended, preferably fully extended, and the backrest 7 is pivoted away by a further angular amount.
  • the seat part 3 includes with its starting position according to FIG. 1 or with the horizontal, an angle of inclination W of about 10 ° to 20 °, in particular about 15 ° to 16 °, wherein the leg rest 4 itself in its raised position, in which they are slightly forward is inclined, and the backrest 7 is in its pivoted end position in which it can extend, for example, horizontally.
  • K is a headrest K, which is connected to the free end of the backrest and supported thereon.
  • the ejection mechanism for the footrest 6 in such a way that it quickly extends its ejection path in a first region and extends more slowly on the remainder of its ejection path. It is particularly advantageous if the footrest 6 extends quickly in the region of its first 2/3 way and then extends more slowly. As a result, the feet of the patient are initially supported faster when tilting in the tilt position. Moreover, this ensures that the patient feels only a minimal ejection movement on his feet.
  • a slotted guide 48 in the front end region of the push rod 38 between it and the seat part 3, which brings about an increasing distance of the push rod 38 from the seat part 4 during advancing the push rod 38.
  • a laterally open slide groove 48a provided in the push rod 38, in which a slotted link 48b is slidably mounted, which is rotatably mounted on a seat part 3 downwardly projecting bracket 48c.
  • the slotted guide 48 is inclined in its front region to the front and down, while the latter extending rearwardly larger longitudinal portion of the slotted guide 48 may extend approximately parallel to the seat part 3 and horizontally.
  • the push rod 38 is formed in its front end region roof-shaped or bent upwards.
  • a motion transmission gear 53 is arranged to achieve a relatively large displacement of the push rod 38 a larger Ausschubweg the footrest 6.
  • This transmission gear can also be designed so that it generates a relatively large Ausschub york in the first region of the Ausschubzi and reduces the Ausschubzi in the other end.
  • lever linkage translating the movement, which is arranged between the sliding carriage 51 and the footrest 6.
  • two-armed lever 54, 55 pivotally mounted with their outer ends by a respective joint 54 a, 55 a in the opposite outer side regions on a support wall 56 which is fixed in the leg rest 4 under the footrest 6.
  • the levers 54, 55 extend toward the center, wherein they overlap and the lower lever 54 extends beyond the sliding carriage 51, is connected in its central region by a sliding guide 57 with the slide 51 and in its end remote from the hinge 54a end region is connected by a link guide 58 with the central region of the other lever 55.
  • the latter lever 55 extends toward the center of the footrest 6 and is connected, for example, in its middle region by a third slide guide 59 with a guide plate which is connected to the footrest 6 or is formed by this.
  • the first lever 54 extends substantially transversely to the footrest 6, while the second lever 55 extends obliquely to the rear.
  • the slotted guides 57, 58, 59 are each formed by a slot 62, 63, 64 in the levers 54, 55 and in the guide plate, in which a preferably each formed by a roller slide link 65, 66, 67 is movably mounted.
  • the slot 62 in the first lever 54 extends angularly with a first transversely directed and an adjoining obliquely to the hinge 54a side facing away and forwardly extending portion.
  • the slot 63 in the second lever 55 and 64 in the guide plate preferably extends transversely to the longitudinal center plane E.
  • the first lever 54 When advancing the slide 51, the first lever 54 is pivoted forward, wherein it pivots the second lever 55 translated forward due to a by the distances of the slotted guides 57, 58 from its joint 54a movement translation. Another movement translation takes place between the second lever 55 and the guide plate due to the different distances of the slotted guide 58, 59 instead.
  • the above-described translation device 53 with levers 54, 55 in the form of flat discs allows for low construction, the arrangement of the slide guides 57, 58, 59 and a good and durable function.

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)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Dental Preparations (AREA)
EP05023282A 2004-10-29 2005-10-25 Fauteuil de traitement, en particulier fauteuil de traitement dentaire Expired - Lifetime EP1652505B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004052924A DE102004052924A1 (de) 2004-10-29 2004-10-29 Behandlungsstuhl, insbesondere dentalmedizinischer Behandlungsstuhl

Publications (3)

Publication Number Publication Date
EP1652505A2 true EP1652505A2 (fr) 2006-05-03
EP1652505A3 EP1652505A3 (fr) 2006-06-07
EP1652505B1 EP1652505B1 (fr) 2009-04-08

Family

ID=35677549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05023282A Expired - Lifetime EP1652505B1 (fr) 2004-10-29 2005-10-25 Fauteuil de traitement, en particulier fauteuil de traitement dentaire

Country Status (4)

Country Link
EP (1) EP1652505B1 (fr)
JP (1) JP2006122688A (fr)
AT (1) ATE427726T1 (fr)
DE (2) DE102004052924A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101438992B (zh) * 2007-11-22 2010-11-17 李明 一种胸腔穿刺抽液术座椅
EP3165207A1 (fr) * 2015-11-05 2017-05-10 Cefla Societa' Cooperativa Fauteuil dentaire
CN108309677A (zh) * 2018-01-30 2018-07-24 李江鸿 一种可移动口腔科检查病人用躺椅
US11117495B2 (en) 2019-02-06 2021-09-14 Global Interior Solutions, Inc. Motorized seat
CN114010451A (zh) * 2021-11-09 2022-02-08 杭州杰莺医疗科技有限公司 一种医用电动诊疗椅
US11369539B2 (en) * 2019-05-13 2022-06-28 David J. Ahearn Dental chair
US11730655B2 (en) 2019-05-13 2023-08-22 David J. Ahearn Dental chair

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108042310B (zh) * 2017-12-13 2019-11-15 重庆医科大学附属第三医院(捷尔医院） 一种医疗妇科b超检查用便捷型座椅
JP2020185142A (ja) * 2019-05-14 2020-11-19 株式会社モリタ東京製作所 診療用椅子

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596982A (en) * 1969-05-15 1971-08-03 Surgical Mechanical Research I Patient{3 s chair
US3804460A (en) * 1972-05-30 1974-04-16 Pelton & Crane Co Power operated treatment chair
DE2251809B2 (de) * 1972-10-21 1978-03-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Zahnärztlicher Patientenstuhl mit ParaUelogrammtragarm
US4019778A (en) * 1972-10-21 1977-04-26 Siemens Aktiengesellschaft Dental patients' chair with a parallelogram supporting arm
US4019779A (en) * 1974-12-30 1977-04-26 Universal Oil Products Company Laminated armrest
FR2598911B1 (fr) * 1986-05-22 1990-06-08 Direct Usine Salons Fauteuil medical dont le deploiement et la hauteur sont commandes automatiquement de facons independantes
SE463799B (sv) * 1986-08-27 1991-01-28 Moelnlycke Ab Ligg- och/eller sittmoebel
US4862529A (en) * 1988-07-13 1989-09-05 Hill-Rom Company, Inc. Hospital bed convertible to chair
CA2122294A1 (fr) * 1994-04-27 1995-10-28 Peter C. Boetzkes Fauteuil de dentiste
US6089593A (en) * 1997-02-10 2000-07-18 Hill-Rom, Inc. Ambulatory care chair
JP2001204768A (ja) * 2000-01-26 2001-07-31 Koshioka Sangyo Kk 車椅子
JP3516340B2 (ja) * 2001-01-26 2004-04-05 パラマウントベッド株式会社 車椅子
DE10114659A1 (de) * 2001-03-26 2002-10-02 Kaltenbach & Voigt Zahnärztlicher Behandlungsstuhl

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101438992B (zh) * 2007-11-22 2010-11-17 李明 一种胸腔穿刺抽液术座椅
EP3165207A1 (fr) * 2015-11-05 2017-05-10 Cefla Societa' Cooperativa Fauteuil dentaire
CN108309677A (zh) * 2018-01-30 2018-07-24 李江鸿 一种可移动口腔科检查病人用躺椅
US11117495B2 (en) 2019-02-06 2021-09-14 Global Interior Solutions, Inc. Motorized seat
US11369539B2 (en) * 2019-05-13 2022-06-28 David J. Ahearn Dental chair
US11730655B2 (en) 2019-05-13 2023-08-22 David J. Ahearn Dental chair
CN114010451A (zh) * 2021-11-09 2022-02-08 杭州杰莺医疗科技有限公司 一种医用电动诊疗椅
CN114010451B (zh) * 2021-11-09 2024-04-19 杭州杰莺医疗科技有限公司 一种医用电动诊疗椅

Also Published As

Publication number Publication date
DE502005007030D1 (de) 2009-05-20
ATE427726T1 (de) 2009-04-15
EP1652505A3 (fr) 2006-06-07
JP2006122688A (ja) 2006-05-18
DE102004052924A1 (de) 2006-05-04
EP1652505B1 (fr) 2009-04-08

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