EP0673633A2 - Fauteuil de traitement médical ou dentaire - Google Patents

Fauteuil de traitement médical ou dentaire Download PDF

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Publication number
EP0673633A2
EP0673633A2 EP95104340A EP95104340A EP0673633A2 EP 0673633 A2 EP0673633 A2 EP 0673633A2 EP 95104340 A EP95104340 A EP 95104340A EP 95104340 A EP95104340 A EP 95104340A EP 0673633 A2 EP0673633 A2 EP 0673633A2
Authority
EP
European Patent Office
Prior art keywords
headrest
housing
medical
treatment chair
backrest
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
EP95104340A
Other languages
German (de)
English (en)
Other versions
EP0673633A3 (fr
EP0673633B1 (fr
Inventor
Bernhard Moll
Karl-Heinz Rapp
Georg Hummler
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 EP0673633A2 publication Critical patent/EP0673633A2/fr
Publication of EP0673633A3 publication Critical patent/EP0673633A3/fr
Application granted granted Critical
Publication of EP0673633B1 publication Critical patent/EP0673633B1/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 treatment chair according to the preamble of claim 1 or 12.
  • Such a treatment chair has to fulfill two main requirements, namely on the one hand to provide the patient sitting or lying on it a comfortable sitting or lying position and on the other hand to allow these positions in such a posture of the patient and the practitioner, in particular the doctor, that a safe and comfortable treatment is guaranteed.
  • the headrest body of the headrest To carry out lower jaw and upper jaw treatments, it is known to arrange the headrest body of the headrest to be pivotable about a horizontal and transverse joint axis of a joint arranged between the headrest body and its base and to be lockable in the respective pivot position.
  • a treatment chair of the type specified at the outset is described in US Pat. No. 3,936,091.
  • a headrest of the treatment chair can be pivoted about a swivel joint with an articulation axis running horizontally and transversely to the treatment chair and can be locked in optional swivel positions.
  • a coupling integrated in the swivel joint is used with two coupling disks arranged coaxially to the joint axis, which are equipped with teeth on their mutually facing sides, which can engage with one another.
  • One clutch disc is connected by an actuating connection to an actuating member on the rear or underside of the headrest in such a way that when the actuating member is displaced downwards or backwards, a double-armed pivot lever integrated into the actuating connection pivots about its pivot axis and the movable clutch disc be axially moved into their uncoupling position.
  • the headrest In this decoupling position, the headrest can be pivoted and adjusted about its hinge axis, the locking of the coupling being brought about by releasing the actuating element by a spring force which displaces the coupling disc into its coupling position.
  • the actuator is formed by a transversely extending handle that extends from a slidably mounted in the headrest support through an opening in the rear or lower wall of the headrest so far that the actuator can be gripped and moved, the fingers of the they have to reach into the opening with their hand.
  • This known embodiment is not only of complicated and complex structure, but the release of the coupling and also the pivoting of the headrest can be carried out only with difficulty and in an unfriendly manner. There is also a risk of the fingers gripping the grip strip being jammed in the area of the opening through which the grip strip extends.
  • the invention is based on the object of designing a medical or dental treatment chair of the type specified at the outset in such a way that the coupling can be actuated in a simpler and more user-friendly manner while ensuring a simple configuration.
  • the actuating member is preferably not integrally formed on an inner component of the headrest, but on an outer component, namely the rear or lower housing of the headrest.
  • the adjustment movement for actuating the clutch is made possible in that the housing is movably mounted on the headrest body and can be moved in its mounting by manual actuation of the actuating member, this movement being used for actuating (opening and closing) the clutch. Due to the arrangement of the actuator on the housing of the headrest according to the invention, not only is a construction that is easy to manufacture and assemble, and can be produced inexpensively, but the actuator can also be handled in a manner that is easy to handle, with the risk of jamming being excluded.
  • the actuator for releasing and / or closing the clutch in the vicinity of a handle part or handle section for adjusting the headrest or to integrate it in the handle part in such a way that the headrest can be adjusted with one hand.
  • the invention is advantageous because it enables in particular a small design that can be easily integrated in consideration of the narrow space and leads to simple components, whereby the manufacturing, assembly and operating costs can be kept low.
  • the invention is further based on the object of designing a medical or dental treatment chair of the type specified in the preamble of claim 12 in such a way that the risk of infection for the patient is reduced.
  • the part of the headrest which forms or contains the actuating element for adjusting the headrest body is held on the headrest body easily and quickly detachably by means of a quick-connect connection.
  • the subclaims contain features which contribute to the solution of the task, lead to simple, small, compact and inexpensive to manufacture construction methods, prevent risk of injury and, furthermore, further simplify the handling for adjusting the headrest and for releasing and fastening the carrier or housing carrying the actuating member .
  • the main parts of the medical or dental treatment chair 1, generally designated 1, are a seat part 2 with a preferably one-piece, in particular extended leg support 3, a backrest 4, which at the rear end of the support part 2 by a backrest joint 6 with a horizontal, transverse to the treatment chair 1 extending hinge axis 6a is connected to the seat part 2 and can be adjusted by a first adjusting device 7 about the hinge axis 6a between an upright sitting position and an approximately horizontal lying position and can be locked in the respective adjustment position, a headrest 8, the support body 9 of which by means of one or two in the longitudinal direction of the backrest 4 extending support rods 11 is adjustably mounted on the backrest 4, a preferably left armrest 12, which is part of the first adjusting device 7 in the present exemplary embodiment, a backrest compensation device 13 which is used when pivoting the backrest 4, which can be adapted to the back of the patient, and which is preferably integrated into the backrest 4, and a backrest length adjustment device 14, which is also integrated into the backrest 4, and which enables the
  • the treatment chair 1 or its seat part 2, as described so far, can be pivoted about a hinge axis running horizontally and transversely to the treatment chair 1 and can be adjusted in the respective pivoting position on the support 15 by means of a further adjusting device 16 integrated in its support 15. Furthermore, the treatment chair 1 is arranged to be adjustable in height, for which purpose another adjustment device 17 is used, which is effective between a chair base 18 and the support 15 and preferably has a pivot lever 19 connecting the carrier 15 to the base 18.
  • the backrest 4 consists of a backrest support 4a, which is pivotally connected to the seat part 2 by the joint 6, and a backrest part 4b, which can be adjusted and locked in the longitudinal direction of the backrest 4 in a guide arranged between these two parts.
  • the backrest compensation device 13 and the backrest length adjustment device 14 are integrated into the backrest.
  • the compensation device 13 enables a radial adjustment and adjustment of the backrest part 4b when pivoting the backrest 4 in such a way that there is no relative displacement between the back of the patient and the backrest part 4b. This is advantageous in the present treatment chair 1 because the joint 6 is arranged lower than the hip joint axis of the patient.
  • the backrest length adjustment device 14 enables the adjustment of the length of the backrest or its distance from the joint 6 and thus an adaptation to patients of different sizes, the adjustment device 14, if a compensation device 13 is present, not canceling the compensation.
  • the backrest part 4b consists of a backrest housing 31 and a backrest cushion 32 which is fastened to the front of the backrest housing 31.
  • a transversely continuous recess 10 in the back cushion 32 and in the backrest housing 31 is provided in the middle position, into which the headrest 8 can be inserted for adjustment to small body sizes, in particular for children.
  • guides 11a are provided for the support rods 11 on the backrest 4, here in the backrest housing 31.
  • the guides are difficult to move, so that the headrest can only be moved with a certain amount of force, or there are preferably overpressable clamping or locking devices for determining desired setting positions for the support rods 11.
  • the main parts of the headrest 8 are a base 33, which is rigidly attached to the upper end of the support rods 11, a headrest body 34 with an abutment surface 34a for the patient's head, a steering mechanism in the form of a quadrilateral joint 36 with four Articulation points 36a to 36d and at least two links 37, 38 or pairs of links 37, 38, an optionally releasable and lockable coupling 39 with a movable coupling element 39a, which is assigned to the quadrangle 36 and forms an optionally operable locking device for locking the quadrilateral manually actuable actuating element 41, with which the coupling 39 can optionally be released and closed, a mechanical connection 42 for transmitting the movement of the actuating element 41 to the movable coupling element 39a and a housing, generally designated 43, for covering the steering mechanism and the mechanical connection 42, which is held on the back of the headrest body 34.
  • two connecting legs 45 are provided on the rear side on both sides of the vertical longitudinal center plane 44 (FIG. 3) in the middle length region of the headrest body 34, which cross from the back of a headrest body base 34b carrying the headrest body 34 stick out.
  • the housing 43 consists of two housing parts, namely a housing part 43a covering the area near the headrest around the connecting limbs 45 and two further housing parts 43b, 43c, preferably U-shaped in cross section, which cover the links 37, 38 on the top or bottom and on the side and with their ends facing the headrest body 34 are held so flexibly on the headrest body 34 or on the connecting legs 45 or on the first housing part 43a that they can follow the changes in position and shape of the links 37, 38, with the lateral vertical legs (not shown) cover the laterally open space between the links 37, 38 and thus prevent the risk of crushing between the links 37, 38.
  • the base 33 consists of a plate-shaped connecting web 33a, from the lateral ends of which two side webs 33b protrude, so that between the side webs there is a free space 33c closed by the connecting web 33a on the underside. Between the side webs 33b extend transversely in the free space 33c two articulated shafts or articulation axes 46, 47 associated with the articulation points 36a and 36b at a distance a parallel to one another, which are fixedly inserted or rotatably mounted in bores 48 of the side webs 33b and in a manner not shown against falling out are secured.
  • the links 37, 38 are mounted with corresponding bores, one link on each side of the
  • the longitudinal center plane 44 can be provided or a single link of a certain width, which extends on both sides of the longitudinal center plane 44. This applies to the upper and front as well as the lower and rear handlebars.
  • the lower or rear link is provided as the only link 38 of considerable width, which extends on both sides of the longitudinal median plane 44 and by which the four-bar linkage 36 is stabilized.
  • the ends of the links 37, 38 on the left in FIG. 2 are pivoted with articulated bores 49 on articulated shafts or axes 51, 52, which are assigned to the articulation points 36c, 36d and are mounted in corresponding bores 53 of the connecting legs 45.
  • the common link 38 has a recess 38a, 38b in the center at both ends, as a result of which lateral link arms 38c, 38d are formed, which are mounted on the articulated axes 47, 52.
  • the features determining the quadrilateral joint 36 are described below.
  • the straight line intersecting the articulation points 36a and 36b includes an invariable angle w of approximately 124 ° with the plane intersecting the central axes 11a of the support rods 11.
  • the length ratio of the center distances a between the hinge points 36a and 36b (about 30 mm), b between the articulation points 36b and 36c (about 87.87 mm), c between articulation points 36c and 36d (about 37.07 mm) and d between pivot points 36d and 36a (about 78 mm) is about 1 to about 2.93 to about 1.23 to about 2.6 the center distances have the values given in brackets.
  • the housing 43a has on its front or underside an opening 43d through which the links 37, 38 extend into the housing 43a, and which is dimensioned so large that the links 37, 38 have their different positions when the headrest body is adjusted 34 can take.
  • the coupling 39 is a positive tooth coupling which can be arranged on one of the joint axes 46, 47, 51, 52 and is arranged coaxially on the joint axis 47 in the present embodiment.
  • the clutch 39 is formed by an axially fixed and non-rotatable gear 54 and an axially displaceable and rotatable gear 55, which are arranged side by side and coaxially on the hinge axis 47 and on their facing each other Have sides of mating teeth 56 with which they engage with one another.
  • the fixed gear 54 is rigidly attached to a holder 57, which is rigidly attached to the base 33, here on the facing surface of the connecting web 33a.
  • the holder 57 can be screwed to the connecting web 33a.
  • the fixed gear 54 On the side facing away from the movable gear 55, the fixed gear 54 has a circumferential groove which is curved coaxially to the hinge axis 47, in particular an annular groove 58, the purpose of which will be described below.
  • the movable gear 55 is attached to the inside of the associated link arm 38c, so that when the link 38 is pivoted, the movable gear 55 is also pivoted. It is also possible to use a frictional friction clutch. In such a clutch, the clutch surfaces, here the two disks 54, 56, have friction surfaces on their mutually facing sides.
  • the mechanical connection 42 consists of several parts which are connected to one another in such a way that a movement of the actuating member 41 can be transmitted to the axially displaceable gear 55.
  • a cable with a cable 61 is integrated in the mechanical connection 42, which acts on the clutch actuating element in the form of a rotary lever 62, which is pivotably mounted on the handlebar 38 on an axle 63 attached to it so that its lever arm end 64 with play engages in the annular groove 58 and is movable along the hinge axis 47.
  • the cable 61 is connected to a second lever arm 65 of the rotary lever 62, which projects transversely to the first lever arm 64.
  • the cable 61 extends from the rotary lever 62 around a deflection 66 formed by a round pin or a roller to the headrest body 34, on the rear side of which another, preferably double-armed rotary lever 67 can be pivoted parallel to the pivot plane of the headrest 8 on an axis 68 extending at right angles to the pivot plane is mounted, which is mounted on at least one of the connecting legs 45.
  • the deflection 66 is arranged in the region of the articulation point 36d, on which the link 38 carrying the rotary lever 62 is mounted, wherein the deflection 66 can be held on at least one of the connecting webs 45.
  • the deflection 66 is arranged slightly offset inwards with respect to the articulation point 36d, in order to reduce an inevitable slight change in the length of the cable 61 when the articulated quadrilateral 36 is adjusted.
  • the actuator 41 is drivingly connected to the cable to actuate the clutch 39.
  • the actuating member 41 is preferably formed by the existing housing or a part of the housing, here by the housing designated by 43a, a manual engagement element 69 being provided thereon, which in the present embodiment is formed by a recessed grip 71 in the housing 43a, which results in a Handle bar or handle nose 72 is created.
  • the engagement element 69 is preferably a grip nose 72 which can be gripped and gripped from both sides, here on the surfaces 72a and 72b.
  • the housing 43a By exerting a tensile force when gripping the engagement element 69, the housing 43a can be pivoted or held about the axis 73 in the direction of the arrow 76 in an easy-to-use manner, the end section 43e of the housing facing the backrest 4 tipping over from the rear of the headrest body base 34b.
  • the fingers of the operating hand can press against the inner surface 72a of the engagement element 69 while the ball of the hand rests on the surface 72b.
  • a pressure part 78 is fastened to the housing 43a or an add-on part thereof, which acts against the lever arm 67a when the housing 43 is moved and the rotary lever 67 in Turns clockwise, thereby pulling the rope 61 attached to the opposite lever arm 67b.
  • the first rotary lever 62 is also rotated counterclockwise, the headrest body 34 with the articulated rectangle 36 being displaced horizontally to the left (FIG. 3) on the articulated axes 46, 47 to such an extent that the displaceable gear 55 disengages from the gear 54.
  • the headrest body 34 can be adjusted with the hand gripping the actuating member 41 (one-hand operation) in optional functional positions which are predetermined by the quadrangle 36 forming a movement guide.
  • the coupling 39 closes automatically and thus locks in the set position.
  • the clutch 39 is closed or engaged by the force of a spring, which can be, for example, a compression spring 79 which is clamped on the articulation axis 87 between the link arm 38a and the associated side web 33b.
  • a spring here a tension spring 81, is preferably assigned to the quadrilateral 36, which counteracts the weight of the headrest 8 and thus at least partially compensates for its weight, so that the adjustment of the headrest 8 into its optional positions is facilitated.
  • the tension spring 81 can also be clamped approximately diagonally between the base 33 and a connecting leg 45 in such a way that it prestresses the headrest 8 upwards or forwards.
  • a return spring 40 is preferably assigned to the housing 43 or 43a, which returns it to its initial position against a stop 40a.
  • the spring 40 preferably a compression spring and the stop 40a are described in more detail below.
  • the preferably gripping nose-shaped engagement element 69 can also be used within the scope of the invention to push the headrest 8 with the guide rod or rods 11 in or out of the guides 11a.
  • the headrest 8 also only needs to be touched on the engagement element 69 formed by the grip nose 72.
  • the engagement element 69 is gripped behind and a tensile force is exerted on the inner surface 72a with the fingers of the operating hand, which is directed approximately parallel to the central axis 11b of the support rods 11.
  • the recessed grip 71 is formed so deep that the inner surface 72a extends into the region of the pivot point, namely the axis 73, so that at one in the direction Pushing directed train no or only a small torque is exerted on the engagement element 69 that it is not pivoted.
  • the surface 72a is preferably inclined towards the backrest 4 by a small amount, approximately 5 ° to 45 °, in particular approximately 20 ° to 30 °.
  • the link 38 can be pivoted, but is non-displaceably mounted on the latter in the longitudinal direction of the articulated axis 47, which can be ensured, for example, by retaining rings.
  • the clutch gear 55 the gear 54 is slidably mounted, the actuation of the clutch 39 by engagement of the lever arm 64 in the annular groove 58 can be substantially the same.
  • the gear 54 not only the gear 54 but also the holder 57 is slidably mounted on the base 33 in a transverse guide 85 transversely to the vertical longitudinal center plane 44, which is indicated in FIG. 3a.
  • the return spring or coupling spring 79 can be arranged between the holder 57 and the link arm 38c facing away from the gear wheels 54, 55. Otherwise, the Design and function of the modification according to FIG. 3a corresponding to that according to FIG. 3.
  • the manual actuation of the attack element 41, 69 can contaminate it with pathogens, which can be transmitted to this patient during the treatment of the next patient when the headrest is adjusted. It is therefore advantageous to disinfect or sterilize the engagement element 69 or the component forming it, here the housing 43 or housing part 43a, after each treatment.
  • the housing part 43a is connected to the headrest body base 34b by means of a plug-in or quick-connect connection 86, so that it can be disassembled or sterilized and reassembled safely and easily, in particular in a special device.
  • the quick-action connection 86 is formed by two positive-locking connections 86a, 86b, which are preferably at a distance h from one another along the longitudinal center plane 44 and are arranged in the end regions of the housing part 43a.
  • the interlocking connections 86, 86b can each be formed by a latching lug or two latching lugs arranged on both sides of the longitudinal center plane 44, with which they can be releasably latched to the headrest body base 34b or an attachment part thereof.
  • a mounting plate 34c is provided for holding the housing part 43a, which is pivotally mounted at its upper end on the axis 73 and is biased by the spring 40 against the stop 34d of the headrest body base 34b.
  • the mounting plate 34c has lateral angled legs 95 and bores 96 with which it is pivotably mounted on the axis 73.
  • lateral limiting pieces 97 can be provided on the headrest body base 34d, which, if necessary, overlap and support the legs 95 and possibly also the axis 73 when discs are interposed.
  • the interlocking connections 86a, 86b can each be formed by a central or two locking lugs 87, 88 arranged on both sides of the longitudinal central plane 44, which pass through holes 89, 91 in the mounting plate 34c with movement play and overlap a locking projection 92 and engage behind a locking edge 93.
  • the backrest 4 facing side two rigid latching lugs 88 and on the other side only one latching lug 87 is provided in the center, which, in conjunction with support points arranged laterally therebetween, enables stable mounting between the housing part 43a and the headrest body base 34b.
  • support webs 101 are provided on the wall of the housing part 43a on both sides of the latching lug 87, which engage under the axis 73 in the fastening position with recesses 102 and thus form a secure and stable three-point mounting.
  • the latching lug 87 is preferably done by pressing in the wall 43d, in particular with the thumb of the operating hand, in the region in which it is connected to the latching lug 87.
  • This area is located opposite the recessed grip 71, so that it can be pressed in with the thumb or, if necessary, also with the palm of the hand displaced upwards.
  • the housing 43a only needs to be tilted slightly downwards, so that the latching lug 87 and the associated one Hole 89 also through bearing piece 75 release the mounting plate 34c, and then the latter can be removed after a slight shift upwards.
  • the assembly of the housing part 43a takes place in the reverse manner (FIG. 6).
  • the housing part 43a is preferably made of plastic, which is a molded part integrally molded with its attachments 87, 88, 101.
  • the pressure piece 78 can be the fastening plate 34c or an add-on part thereof, which, when the housing part 43a is pivoted, is also pivoted about the axis 73 and is reset and positioned by the spring 40 against the stop 34d.
  • the spring 40 is preferably clamped between the fastening plate 34c and an inner shoulder 104 (FIG. 5) of the one side leg 45.
  • the slot 43e ensures that the housing part 43a is pushed onto the side legs 45.
  • FIG. 2 shows the headrest 8 in a standard position for a lower jaw treatment, in which the backrest 4 is directed upwards, for example in a 70 ° position, the lower jaw of the patient, not shown, being arranged approximately horizontally.
  • the middle contact surface area of the headrest body 34 is located by the dimension f of approximately 49 mm in front of the contact surface 4c of the preferably trough-shaped backrest 4, the The contact surface 34a of the headrest body 34 can be arranged parallel or slightly inclined up to about 5 ° clockwise with respect to the contact surface 4c of the backrest 4 (see FIG. 2), which runs approximately parallel to the support rod axes 11b.
  • the headrest body 34 shows the headrest body 34 in a functional position for small patients or child treatment position.
  • the headrest body 34 is pivoted somewhat backwards relative to the previously described position, so that the head contact surface 34a is approximately in an extension of the back contact surface, but the headrest body 34 is inclined somewhat backwards so that the head contact surface 34a enclose with the back contact surface 4c an upwardly open acute angle w1 of approximately 3 to 10 °.
  • the headrest 8 is shifted towards the backrest 4, pushed into the recess 10 of the backrest 4 according to FIG. 4.
  • the backrest 4 is in the position shown in FIG. 2, in which the lower jaw is arranged approximately horizontally.
  • FIG. 9 shows a functional position for an upper jaw treatment, in which the backrest 4 is pivoted down, preferably horizontally, and in which the headrest body 34 is pivoted further backwards or downwards, the head contact surface 34a being a distance g in its central region has an extension of the back contact surface, which in the present exemplary embodiment is approximately 60 mm and the head contact surface with the back contact surface includes an angle w2 open to the rear of approximately 25 °.
  • FIG. 10 shows a functional position for patients with a rounded back, which can be adjusted both for a lower jaw treatment (backrest 4 pivoted up) and for an upper jaw treatment (backrest 4 pivoted down).
  • the headrest body 34 is pivoted forward beyond the position according to FIG. 2, the head contact surface 34a being at a greater distance h from the back contact surface in accordance with FIG. 2, in the present exemplary embodiment approximately 85 mm, and the head contact surface with the back contact surface enclose an acute angle w3 open to the joint 6 of approximately 7 °.
  • the links 37, 38 change their distance from one another in the various functional positions, which the housing parts 43b and 43c follow, so that the lateral covering is ensured by the side legs.
  • the housing parts 43b, 43c are on the other End curves 105 adapted by a rounded course. This also applies to the housing part 43b in the region of the hinge axis 52, which is also adapted to the rounded free end of the connecting leg 45.
  • the headrest When changing from the lower jaw to the upper jaw treatment, the headrest performs a swivel and downward movement, thereby approximating the biomechanics (rolling movement of the cervical vertebrae and pivot point of the head). The end position then reached allows good head extension to the rear, with the shoulders supported on the backrest poster.
  • the recessed grip 71 is designed in such a way that the length can be adjusted via the support rods 11 without actuating the coupling 39 (the coupling 39 can only be unlocked for headrest adjustment by tilting it backwards).
  • the special surface design of the hood-shaped housing part 43a enables good cleaning, disinfection or sterilization.
  • the housing 43, 43a can be removed and reassembled without tools.

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  • 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)
EP95104340A 1994-03-24 1995-03-23 Fauteuil de traitement médical ou dentaire Expired - Lifetime EP0673633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4410277A DE4410277C2 (de) 1994-03-24 1994-03-24 Ärztlicher oder zahnärztlicher Behandlungsstuhl
DE4410277 1994-03-24

Publications (3)

Publication Number Publication Date
EP0673633A2 true EP0673633A2 (fr) 1995-09-27
EP0673633A3 EP0673633A3 (fr) 1995-11-29
EP0673633B1 EP0673633B1 (fr) 2000-06-21

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EP95104340A Expired - Lifetime EP0673633B1 (fr) 1994-03-24 1995-03-23 Fauteuil de traitement médical ou dentaire

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EP (1) EP0673633B1 (fr)
JP (1) JP2835012B2 (fr)
DE (3) DE4410277C2 (fr)

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WO2001070169A1 (fr) 2000-03-22 2001-09-27 Kaltenbach & Voigt Gmbh & Co. Fauteuil de traitement pour soins medicaux ou dentaires
WO2002058616A3 (fr) * 2001-01-25 2002-11-14 Hill Rom Services Inc Support de tete pour table d'operation
EP1396246A1 (fr) * 2002-09-05 2004-03-10 A-Dec, Inc. Support d'appui-tête et un mécanisme de réglage
US6814409B2 (en) 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system

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US6754923B2 (en) 1997-11-07 2004-06-29 Hill-Rom Services, Inc. Leg section support for a surgical table
US6739006B2 (en) 1997-11-07 2004-05-25 Hill-Rom Services, Inc. Head section support for a surgical table apparatus
DE102017127177A1 (de) * 2017-11-17 2019-05-23 MAQUET GmbH Einhändig einstellbare Kopfplatte für einen Operationstisch

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US3936091A (en) * 1974-12-23 1976-02-03 Sybron Corporation Headrest for dental chair

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001070169A1 (fr) 2000-03-22 2001-09-27 Kaltenbach & Voigt Gmbh & Co. Fauteuil de traitement pour soins medicaux ou dentaires
EP1138306A1 (fr) 2000-03-22 2001-10-04 Kaltenbach & Voigt Gmbh & Co. Fauteuil de soins médicaux ou dentaires et repose tête pour un tel fauteuil
US6520585B1 (en) 2000-03-22 2003-02-18 Kaltenbach & Voight Gmbh & Co. Medical or dental-medical treatment chair or a head support for such a treatment chair
US7032975B2 (en) 2000-03-22 2006-04-25 Kaltenbach & Voigt Gmbh & Co. Medical or dental treatment chair
WO2002058616A3 (fr) * 2001-01-25 2002-11-14 Hill Rom Services Inc Support de tete pour table d'operation
US6814409B2 (en) 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system
EP1396246A1 (fr) * 2002-09-05 2004-03-10 A-Dec, Inc. Support d'appui-tête et un mécanisme de réglage
US6893096B2 (en) 2002-09-05 2005-05-17 A-Dec, Inc. Headrest support and adjustment mechanism
EP1647252A2 (fr) * 2002-09-05 2006-04-19 A-Dec, Inc. Support d'appui-tête et un mécanisme de réglage
EP1647252A3 (fr) * 2002-09-05 2006-08-16 A-Dec, Inc. Support d'appui-tête et un mécanisme de réglage
US7240966B2 (en) 2002-09-05 2007-07-10 A-Dec, Inc. Headrest support and adjustment mechanism
AU2003236489B2 (en) * 2002-09-05 2009-02-05 A-Dec, Inc. Headrest Support and Adjustment Mechanism

Also Published As

Publication number Publication date
DE4447716C2 (de) 2000-09-28
DE4410277C2 (de) 1997-09-11
JP2835012B2 (ja) 1998-12-14
JPH07289596A (ja) 1995-11-07
DE4410277A1 (de) 1995-10-05
EP0673633A3 (fr) 1995-11-29
DE59508478D1 (de) 2000-07-27
EP0673633B1 (fr) 2000-06-21

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