EP0673633B1 - Ärztlicher oder zahnärztlicher Behandlungsstuhl - Google Patents

Ärztlicher oder zahnärztlicher Behandlungsstuhl Download PDF

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Publication number
EP0673633B1
EP0673633B1 EP95104340A EP95104340A EP0673633B1 EP 0673633 B1 EP0673633 B1 EP 0673633B1 EP 95104340 A EP95104340 A EP 95104340A EP 95104340 A EP95104340 A EP 95104340A EP 0673633 B1 EP0673633 B1 EP 0673633B1
Authority
EP
European Patent Office
Prior art keywords
medical
housing
treatment chair
dental treatment
chair according
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
EP95104340A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0673633A2 (de
EP0673633A3 (de
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/de
Publication of EP0673633A3 publication Critical patent/EP0673633A3/de
Application granted granted Critical
Publication of EP0673633B1 publication Critical patent/EP0673633B1/de
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.
  • Such a treatment chair has two main requirements, namely to a comfortable sitting or for the patient sitting or lying on it To provide lying position and secondly these positions in such Postures of the patient and the practitioner, especially the doctor allow safe and convenient treatment.
  • Headrest body of the headrest around a horizontal and transverse joint axis a joint located between the headrest body and its base to be pivotable and lockable in the respective swivel position.
  • a treatment chair of the type specified in the opening paragraph is US Pat. No. 3,936,091 described.
  • a headrest is the Dental chair around a swivel joint with a horizontal and transverse to the The articulating axis of the dental chair can be swiveled and is optionally available Swiveling positions ascertainable.
  • An integrated in the swivel joint is used for this Coupling with two clutch disks arranged coaxially to the hinge axis their mutually facing sides are set with teeth that interlock can.
  • One clutch disc is through an actuation connection with a Actuator connected to the back or bottom of the headrest such that when the actuator is moved downwards or backwards a double-arm swivel lever integrated into the actuation connection around his Swivel axis pivoted and the movable clutch plate axially in your Disengaged position are shifted.
  • a double-arm swivel lever integrated into the actuation connection around his Swivel axis pivoted and the movable clutch plate axially in your Disengaged position are shifted.
  • the Locking the clutch by releasing the actuator by a Spring force is brought about that the clutch disc in its clutch position shifts.
  • the actuator is through a transversely extending handle formed by a slidably mounted in the headrest support an opening in the rear or lower wall of the headrest as far out extends that the actuator can be gripped and moved, the Fingers of the hand gripping them must reach into the opening.
  • the problem is one Contamination of the treatment chair and / or the patient is of great importance, because there is a risk of infecting the patient.
  • There is a conceivable danger in an existing dental chair when the doctor provides the headrest for one sets certain treatment process and grips the headrest manually, so that pathogens can be located at the grip on the headrest. If the doctor resets the headrest for the next patient, there is a risk of that he pathogen from the handle of the headrest to the treatment site on Transmits the patient, which could infect the patient.
  • the invention has for its object a medical or dental Treatment chair of the type specified in such a way that a Risk of infection for the patient can be reduced.
  • the part of the headrest that is Forms or contains actuator for adjusting the headrest body, by means of a quick release connection held easily and quickly detachably on the headrest body.
  • the invention further aims at a medical or dental treatment chair of the type specified in such a way that while ensuring a simple design, the clutch simpler and can be operated more easily.
  • the actuator is not on an inner component the headrest, but on an outer component, namely the rear or arranged lower housing of the headrest, preferably integrally formed.
  • the adjustment movement for actuating the clutch is made possible by the fact that Housing is movably mounted on the headrest body and by a manual Actuation of the actuator can be moved in its storage, this Movement to actuate (open and close) the clutch is used. Due to the arrangement of the actuator on the housing of the invention Headrest is not just an easy to manufacture and assemble, and inexpensive manufacturable design specified, but it can also be the actuator easy to handle, with the risk of jamming.
  • the actuator it is advantageous for the actuator to release and / or close the Coupling so near a handle part or handle section to adjust the Arrange headrest or integrate into the handle that the headrest with One-handed operation can be set. But also with two-hand operation, that is in it there is that the actuator with one hand and the headrest body with the other hand is adjusted, the invention is advantageous because it is particularly a small design allows, taking into account the tight Space can be easily integrated and leads to simple components, whereby the manufacturing, assembly and operating costs are kept low can.
  • Treatment chair 1 The main parts of the medical or dental generally designated 1 Treatment chair 1 are a seat part 2 with a preferably one-piece, in particular extended leg rest 3, a backrest 4, which at the rear end of the support part 2 through a backrest joint 6 with a horizontal, transverse to Dental chair 1 extending hinge axis 6a is connected to the seat part 2 and by a first adjusting device 7 about the hinge axis 6a between an upright one Sitting position and an approximately horizontal lying position adjustable and in the respective Adjustment position can be determined, a headrest 8, the support body 9 by means of a or two in the longitudinal direction of the backrest 4 supporting rods 11 on the Backrest 4 is adjustably mounted, a preferably left armrest 12, the is part of the first setting device 7 in the present exemplary embodiment, a Backrest compensation device 13, which when pivoting the backrest 4th their adaptation to the patient's back allows, and preferably in the Backrest 4 is integrated, and a backrest length adjustment device 14, the is also integrated into the backrest 4 and its length adjustment allows patients of different
  • the treatment chair 1 or its seat part 2 described so far is preferably through a further adjustment device 16 integrated in its carrier 15 by a horizontal and articulated axis extending transversely to the treatment chair 1 and in the respective pivot position adjustable on the carrier 15. Furthermore, the Treatment chair 1 is arranged adjustable in height, for which purpose another adjustment device 17 is used, which is effective between a chair base 18 and the carrier 15 and preferably a pivot lever 19 connecting the carrier 15 to the base 18 having.
  • the backrest 4 consists of a backrest support 4a which is supported by the joint 6 is pivotally connected to the seat part 2, and a backrest part 4b, which in one between these two parts arranged guide in the longitudinal direction of the backrest 4 adjustable and lockable.
  • the compensation device 13 enables a radial adjustment and adjustment when pivoting the backrest 4 the backrest part 4b in such a way that no relative displacement between the Back of the patient and the backrest part 4b takes place. This is with the present treatment chair 1 advantageous because the joint 6 is arranged lower than the patient's hip axis.
  • the backrest length adjuster 14 allows you to adjust 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 when a compensation device 13 is present does not cancel the compensation.
  • the backrest part 4b consists of a backrest housing 31 and a Backrest cushion 32, which is attached to the front of the backrest housing 31 is.
  • a transverse continuous in the middle position Recess 10 provided in the back cushion 32 and in the backrest housing 31, in which the headrest 8 for adjusting to small body sizes, especially for children, can be inserted.
  • the main parts of the headrest 8 are a base 33, which is at the top of the Support rods 11 is rigidly attached, a headrest body 34 with a contact surface 34a for the patient's head, a steering mechanism in the form of a quadrangle 36 with four Pivot 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 an optional in Operation settable locking device for locking the quadrilateral forms a manually actuable actuator 41, with which the clutch 39 optionally is detachable and closable, a mechanical connection 42 for transmitting the Movement of the actuator 41 on the movable coupling member 39a and a housing generally designated 43 to cover the steering mechanism and the mechanical connection 42, which is held on the back of the headrest body 34 is.
  • the housing 43 consists of two housing parts, namely one near the headrest Area around the connecting leg 45 covering housing part 43a and two further, in cross section preferably U-shaped housing parts 43b, 43c, which the Cover handlebars 37, 38 on the top or bottom and on the side and with their Headrest body 34 facing ends so movable on the headrest body 34 or are held on the connecting legs 45 or on the first housing part 43a that they the changes in position and shape of the links 37, 38 can follow, with lateral vertical legs (not shown) the laterally open space cover between the links 37, 38 and thus risk of crushing between the Prevent handlebars 37, 38.
  • the base 33 consists of a plate-shaped connecting web 33a, of which protrude from the lateral ends of two side webs 33b, so that a between the side webs there is a free space 33c closed on the underside by the connecting web 33a. Two, the, extend transversely in the free space 33c between the side webs 33b Articulation points 36a and 36b associated articulated shafts or articulated axes 46, 47 in a distance a parallel from each other, which is fixed in bores 48 of the side webs 33b used or rotatably mounted and in a manner not shown against falling out are secured.
  • the links 37, 38 are with corresponding bores, with one handlebar on each side of the Longitudinal center plane 44 can be provided or a single link of a certain width, which extends on both sides of the longitudinal median plane 44. This applies to the top one or front as well as for the lower or rear handlebars.
  • the lower or rear link is the only link 38 which is considerably larger Width is provided, which extends on both sides of the longitudinal median plane 44 and whereby the quadrilateral joint 36 is stabilized.
  • the left ends of the handlebars in Fig. 2 37, 38 can be pivoted with articulated bores 49 on articulated shafts or axes 51, 52 stored, which are assigned to the articulation points 36c, 36d and in corresponding bores 53 of the connecting leg 45 are mounted.
  • 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 supported 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 an opening 43d on its front or underside which the links 37, 38 extend into the housing 43a and which is dimensioned so large that the handlebar 37, 38 their different positions when adjusting the Can take headrest body 34.
  • the coupling 39 is a form-fitting tooth coupling that can be arranged on one of the hinge axes 46, 47, 51, 52 and in the Present embodiment is arranged coaxially on the hinge axis 47.
  • the Coupling 39 is by an axially fixed and rotationally fixed gear 54 and an axial slidable and rotatable gear 55 formed side by side and are arranged coaxially on the hinge axis 47 and on their mutually facing 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 rigid at the base 33 is attached, 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 movable gear 55 the fixed gear 54 has a coaxial to the hinge axis 47 curved circumferential groove, in particular annular groove 58, the purpose of which is still described becomes.
  • the movable gear 55 is on the inside of the associated link arm 38c attached so that when the handlebar 38 is pivoted, the movable gear 55 is also pivoted. It is also possible to have a non-positive effect To use friction clutch. With such a coupling, the Coupling surfaces, here the two disks 54, 56, on their facing each other Sides of friction surfaces.
  • the mechanical connection 42 consists of several parts, which are so together are connected that a movement of the actuator 41 on the axial slidable gear 55 can be transmitted.
  • a cable with a rope 61 is integrated, which the clutch actuating element engages in the form of a rotary lever 62, which on Handlebar 38 is pivotally mounted on an axle 63 attached to it that be Lever arm end 64 engages with play in the annular groove 58 and along the Joint axis 47 is movable.
  • the rope 61 is included a second lever arm 65 of the rotary lever 62 connected transversely to the first Lever arm 64 protrudes.
  • the rope 61 extends from the rotary lever 62 through one round pin or deflection 66 formed as a roller towards the headrest body 34, on the back of another, preferably double-armed rotary lever 67 in parallel to the swivel plane of the headrest 8 on a right angle to the swivel plane extending axis 68 is pivotally mounted on at least one of the Connecting leg 45 is mounted.
  • the deflection 66 is arranged in the region of the articulation point 36d at which the The handlebar 38 carrying the rotary lever 62 is mounted, the deflection 66 at least one of the connecting webs 45 can be held.
  • the deflection 66 is slightly offset inwards with respect to the articulation point 36d arranged to be inevitable when adjusting the four-bar linkage 36 to reduce the resulting slight change in length of the rope 61.
  • the actuator 41 is drivingly connected to the cable to the To actuate clutch 39.
  • the actuator 41 is by the existing housing or part of the housing, here by the designated 43a Housing formed, wherein a manual engagement element 69 is provided, the in the present embodiment formed by a recessed grip 71 in the housing 43a is, whereby a grip strip or grip nose 72 is created.
  • the attack element 69 is preferably a grip nose 72 that can be gripped and gripped from both sides is, here on the surfaces 72a and 72b.
  • the engagement element 69 By exerting a tensile force on the Gripping the engagement element 69 can handle the housing 43a around the Axis 73 is pivoted or tilted and held in the direction of arrow 76, the end portion 43e of the housing facing the backrest 4 from the The back of the headrest body base 34b tilts.
  • the fingers of the Press the operator's hand against the inner surface 72a of the engagement element 69 while the ball of the hand rests on surface 72b.
  • the Housing 43a In this pivoted position of the Housing 43a can be the headrest body 34 with which the actuator 41st gripping hand (one-hand operation) adjusted in optional functional positions are predetermined by the quadrangle 36 forming a movement guide are. In optional adjustment positions, the housing 43a is released automatically closing the clutch 39 and thus locking in the set position.
  • the clutch 39 is closed or engaged by the Force of a spring, e.g. can be a compression spring 79 which on the Hinge axis 87 between the link arm 38a and the associated side web 33b is clamped.
  • the four-bar linkage 36 is preferably a spring, here a tension spring 81, assigned, which counteracts the weight of the headrest 8 and thus be Weight at least partially compensated, so that the adjustment of the headrest 8 in their optional positions is facilitated.
  • the tension spring 81 can be located between the base 33 and a connecting leg 45 may also be clamped approximately diagonally so that it Prestressed headrest 8 upwards or forwards.
  • a return spring 40 is preferably assigned to the housing 43 or 43a returns to its initial position against a stop 40a.
  • the spring 40 preferably a compression spring and the stop 40a are further below described.
  • the preferably gripping nose-shaped engagement element 69 can be used in the context of The invention also use the headrest 8 with the guide rod or rods 11 in or out of the guides 11a. This requires the headrest 8 also only touched on the engagement element 69 formed by the grip nose 72 become.
  • the engagement element 69 is gripped behind and a tensile force exerted on the inner surface 72a with the fingers of the operating hand, which is approximately parallel is directed to the central axis 11b of the support rods 11.
  • the support rods 11 can e.g. are pressed against the outer surface 72b in the same grip position, e.g. with the ball of the hand.
  • the recessed grip 71 is so deep that the inner surface 72a extends into the area of the pivot point, namely the axis 73, extends so that when directed towards the extension Train little or no torque exerted on the engagement element 69 is that it is not pivoted.
  • the area 72a is small Dimension, about 5 ° to 45 °, in particular about 20 ° to 30 °, inclined towards the backrest 4.
  • the engagement element 69 or the component forming it, here this Housing 43 or housing part 43a to be disinfected or treated after each treatment sterilize.
  • the housing part 43a by a plug or Quick connect connection 86 is connected to the headrest body base 34b so that it easy to use and quickly dismantled and safe, especially in one special device that can be disinfected or sterilized and reassembled.
  • the quick connect 86 is by two positive connections 86a, 86b, which are preferably directed along the longitudinal center plane 44 Have a distance h from one another and in the end regions of the housing part 43a are arranged.
  • the form-locking connections 86, 86b can each by a Locking lug or two arranged on both sides of the longitudinal median plane 44 Lugs are formed with which they are on the headrest body base 34b or an attachment of the same are releasably lockable.
  • the fastening plate 34c has angled sides Leg 95 and bores 96 with which they can be pivoted on the axis 73 is stored.
  • the Head restraint body base 34d lateral limiting pieces 97 may be provided, which when discs are interposed, the legs 95 and possibly also the axis 73 overlap and support.
  • the form-locking connections 86a, 86b can each by a central or two Locking lugs 87, 88 arranged on both sides of the longitudinal center plane 44 are formed be through holes 89, 91 in the mounting plate 34c with play and overlap a locking projection 92 and a locking edge 93 reach behind.
  • the backrest 4 facing side two rigid locking lugs 88 and on the other side only one Locking lug 87 provided in the center, in connection with the side of it arranged support points between the housing part 43a and the Headrest body base 34b enables stable mounting.
  • both sides of the locking lug 87 support webs 101 on the wall of the housing part 43a is provided, which in the fastening position with recesses 102 has the axis 73 reach under and thus form a safe and stable three-point bracket.
  • the housing part 43a To release the housing part 43a, it is necessary to lock the locking lug 87 to bend, which is preferably done by pressing in, especially with the thumb the operating hand, the wall 43d in the area in which it is with the locking lug 87 is connected. This area is located opposite the recessed grip 71, so that he is using his thumb or, if necessary, the heel of his hand, After that, the housing 43a only needs a slight downward movement to be tilted so that the locking lug 87 and the associated hole 89th 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 its attachments 87, 88, 101 is a one-piece molded part.
  • Thrust piece 78 can be the mounting plate 34c or an attachment part of the same act that when pivoting the housing part 43a about the axis 73 pivoted and reset by the spring 40 against the stop 34d and is positioned.
  • the spring 40 is preferably between the mounting plate 34c and an inner shoulder 104 (FIG. 5) of one side leg 45 is clamped.
  • the housing part 43a is pushed onto the side legs 45 through the slot 43e guaranteed.
  • FIG. 2 shows the headrest 8 in a standard position for a Lower jaw treatment in which the backrest 4 is directed upwards, e.g. in a 70 ° position, the patient's lower jaw, not shown, approximately horizontal is arranged.
  • the middle area of the system is located of the headrest body 34 by the dimension f of about 49 mm in front of the Contact surface 4c of the preferably trough-shaped backrest 4, the Contact surface 34a of the headrest body 34 parallel or slightly up to about 5 ° arranged clockwise inclined with respect to the contact surface 4c of the backrest 4 can be (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 in this position pivoted somewhat backwards compared to the position previously described, so that the Head contact surface 34a is approximately in an extension of the back contact surface is located, however, the headrest body 34 is slightly inclined backwards so that the head contact surface 34a with the back contact surface 4c an open at the top Include an acute angle w1 of approximately 3 to 10 °.
  • To adjust body size is the headrest 8 is shifted towards the backrest 4, according to FIG. 4 into the recess 10 of the backrest 4 inserted.
  • the backrest 4 is in the Position according to 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 Headrest body 34 is pivoted further back or down, the Head contact surface 34a in its central region a distance g from one Extension of the back contact surface, which in the present Embodiment is about 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, both in one Lower jaw treatment (backrest 4 swung up) as well as one Upper jaw treatment (backrest 4 swung down) can be adjusted.
  • the headrest body 34 via the position according to FIG. 2 pivoted out forward, with the head contact surface 34a in its middle Area a greater distance h than shown in FIG. 2 from the back contact surface has, in the present embodiment, about 85 mm, and the head contact surface with the back contact surface a pointed, open towards the joint 6 Include angle w3 of about 7 °.
  • the handlebars 37, 38 change to different functional positions their distance from each other, the housing parts 43b and 43c follow, so that the side cover by the side legs is guaranteed.
  • the housing parts 43b, 43c are on the other End curves 105 adapted by a rounded course. This also applies to that Housing part 43b in the region of the hinge axis 52, which is at the rounded free end of the Connecting leg 45 is also adapted.
  • the connecting legs 45 into which the housing parts 43b, 43c in the 9 and 10 dip immersion positions.
  • the headrest When changing from the lower jaw to the upper jaw treatment, the headrest introduces one Swivel and downward movement through, the biomechanics (rolling movement the cervical vertebra and pivot point of the head) approximated. The final position then reached allows good head extension to the back, with the shoulders on the Backrest posters are supported.
  • the recessed grip 71 is designed so that it can be operated without the clutch 39 (the Unlocking the clutch 39 for headrest adjustment is only by one Tilting backwards possible) the length adjustment via the support rods 11 is possible.
  • 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 Ärztlicher oder zahnärztlicher Behandlungsstuhl Expired - Lifetime EP0673633B1 (de)

Applications Claiming Priority (2)

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

Publications (3)

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

Family

ID=6513767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104340A Expired - Lifetime EP0673633B1 (de) 1994-03-24 1995-03-23 Ärztlicher oder zahnärztlicher Behandlungsstuhl

Country Status (3)

Country Link
EP (1) EP0673633B1 (ja)
JP (1) JP2835012B2 (ja)
DE (3) DE4410277C2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739006B2 (en) 1997-11-07 2004-05-25 Hill-Rom Services, Inc. Head section support for a surgical table apparatus
US6754923B2 (en) 1997-11-07 2004-06-29 Hill-Rom Services, Inc. Leg section support for a surgical table

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014063A1 (de) 2000-03-22 2001-09-27 Kaltenbach & Voigt Medizinischer oder dentalmedizinischer Behandlungsstuhl oder eine Kopfstütze für einen solchen Behandlungsstuhl
JP2005504559A (ja) * 2001-01-25 2005-02-17 ヒル−ロム サービシーズ，インコーポレイティド 手術台用の頭部支持体
US6814409B2 (en) 2001-04-12 2004-11-09 A-Dec, Inc. Hydraulic drive system
US6893096B2 (en) 2002-09-05 2005-05-17 A-Dec, Inc. Headrest support and adjustment mechanism
DE102017127177A1 (de) * 2017-11-17 2019-05-23 MAQUET GmbH Einhändig einstellbare Kopfplatte für einen Operationstisch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936091A (en) * 1974-12-23 1976-02-03 Sybron Corporation Headrest for dental chair
US4113309A (en) * 1977-12-16 1978-09-12 Sybron Corporation Headrest for dental chair
DE2832158B2 (de) * 1978-07-21 1980-05-14 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Ärztlicher, insbesondere zahnärztlicher Patientenstuhl
US4375902A (en) * 1979-08-23 1983-03-08 Royal Dental Manufacturing, Inc. Locking headrest for dental chair
US4312538A (en) * 1979-10-10 1982-01-26 Syntex (U.S.A.) Inc. Articulating headrest
DE3347255C2 (de) * 1983-12-28 1986-08-14 E M D A Fabrik elektro-medizinischer und dentaler Apparate Georg Hartmann GmbH & Co KG, 6000 Frankfurt Zahnärztlicher Patientenstuhl mit Kopfstütze
DE3611282A1 (de) * 1986-04-04 1987-10-08 Kaltenbach & Voigt Zahnaerztlicher behandlungsstuhl
DE8717434U1 (de) * 1987-08-14 1988-10-27 Siemens AG, 1000 Berlin und 8000 München Motorisch verstellbare Kopfstütze für einen zahnärztlichen Behandlungsstuhl

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739006B2 (en) 1997-11-07 2004-05-25 Hill-Rom Services, Inc. Head section support for a surgical table apparatus
US6754923B2 (en) 1997-11-07 2004-06-29 Hill-Rom Services, Inc. Leg section support for a surgical table

Also Published As

Publication number Publication date
DE4410277A1 (de) 1995-10-05
DE4447716C2 (de) 2000-09-28
JPH07289596A (ja) 1995-11-07
DE4410277C2 (de) 1997-09-11
JP2835012B2 (ja) 1998-12-14
EP0673633A2 (de) 1995-09-27
DE59508478D1 (de) 2000-07-27
EP0673633A3 (de) 1995-11-29

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