EP2008631B1 - Dispositif support pour instruments dentaires - Google Patents

Dispositif support pour instruments dentaires Download PDF

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Publication number
EP2008631B1
EP2008631B1 EP07111207A EP07111207A EP2008631B1 EP 2008631 B1 EP2008631 B1 EP 2008631B1 EP 07111207 A EP07111207 A EP 07111207A EP 07111207 A EP07111207 A EP 07111207A EP 2008631 B1 EP2008631 B1 EP 2008631B1
Authority
EP
European Patent Office
Prior art keywords
dental
arm
connecting means
support
housing
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.)
Not-in-force
Application number
EP07111207A
Other languages
German (de)
English (en)
Other versions
EP2008631A1 (fr
Inventor
Eros Nanni
Achille Lamma
Leo Landi
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.)
Cefla SCARL
Original Assignee
Cefla SCARL
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 Cefla SCARL filed Critical Cefla SCARL
Priority to DE602007008547T priority Critical patent/DE602007008547D1/de
Priority to EP07111207A priority patent/EP2008631B1/fr
Priority to AT07111207T priority patent/ATE477781T1/de
Publication of EP2008631A1 publication Critical patent/EP2008631A1/fr
Application granted granted Critical
Publication of EP2008631B1 publication Critical patent/EP2008631B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61G15/14—Dental work stands; Accessories therefor
    • A61G15/16—Storage, holding or carrying means for dental handpieces or the like

Definitions

  • the present invention relates to support devices for dental instruments, in particular it refers to a device to support and keep in a desired working position a dental instrument, e.g. a dental handpiece like a curing lamp, a intra-oral camera, a suction cannula, etc, which do not require a high placing precision.
  • a dental instrument e.g. a dental handpiece like a curing lamp, a intra-oral camera, a suction cannula, etc, which do not require a high placing precision.
  • dental chair and dental unit are known, which allow to accommodate a patient while placing at dental staff's disposal the instruments most used during dental treatment, e.g. turbines, micromotors, syringes, curing lamps, scalers, cameras, suction cannulae, etc.
  • instruments most used during dental treatment e.g. turbines, micromotors, syringes, curing lamps, scalers, cameras, suction cannulae, etc.
  • These dental units comprise one or more supports or instrument holders having housings adapted to receive dental handpieces when not in use by the dentist or the dental assistant.
  • These supports are usually in number of two, (called assistant's board and dentist's board), placed at both sides of patient's chair, movably connected to the chair itself or to a dental unit support structure through respective articulated rigid arms, which allow an easy positioning.
  • board housings can be provided with switches, called microswitches, adapted to interrupt power supply and to prevent instrument functioning when instruments are in the housings, and vice versa to allow power supply and therefore functioning, when instruments are extracted from respective housing.
  • switches called microswitches
  • support devices for dental instruments are known, called instrument holders, fastened to a dental unit portion, and configured to keep an instrument in a desired working position, without intervention of dental operators.
  • instrument holders fastened to a dental unit portion, and configured to keep an instrument in a desired working position, without intervention of dental operators.
  • these devices save the operator from manually keeping an instrument in a given position, e.g. in patient's oral cavity for a relatively long time.
  • These devices enable the operator not to fatigue and to have hands free for other activities.
  • Known support devices comprise articulated structures, typically articulated rigid arms, an end thereof being fastened to one or more parts of a dental unit, e.g. board, support structure, chair and/or headrest; the remaining free end of the device supports the instrument to be used, typically a turbine or micromotor for a dental drill or a burr.
  • a dental unit e.g. board, support structure, chair and/or headrest
  • the instrument to be used typically a turbine or micromotor for a dental drill or a burr.
  • Said articulated rigid arms comprise a plurality of members suitably shaped and rotatably and/or slidably joined, so as to allow the positioning of instrument in space.
  • a disadvantage of these devices is their complexity and bulkiness, which render their construction and assembly difficult and expensive.
  • the structure complexity requires that dental operator performs quite complicated movements to position the device, and therefore the instrument, in the required position.
  • Support devices for dental instruments which can be fastened to anatomic parts of patient him/herself (tooth, mandible, head) are known as well. These devices are generally used to guide and provide a precise and accurate reference to so-called dynamic dental instruments, such as drills and/or burrs, and must be disassembled at the end of operation, as they hinder the execution of further operations, e.g. using other instruments.
  • US 5547375 discloses a suction device with a suction hose and suction cannula for dental treatment units for the sucking off of the spray mist during dental treatment processes.
  • the suction hose is placed on, or in, a flexible tube, which is movable in three-dimensional manner, so that the suction hose can be brought into the treatment position and can be positioned there without any need for a dental nurse.
  • An object of the present invention is to improve known support devices for dental instruments, in particular for dental handpieces.
  • Another object is to make a support device having simple and economic construction, allowing to position in rapid, quick and relatively precise way a dental instrument, e.g. a curing lamp.
  • a further object is to obtain a device capable of being fastened in a easy, rapid and removable way to a part of the dental unit, in particular a support unit, for instance a dentist's or assistant's board.
  • a still further object is to make a support device to which a plurality of dental instruments can be removably connected, in an easy and quick way.
  • a support device allowing to support a dental instrument which usually has to be supported by an operator hand, in particular a relatively heavy and bulky dental instrument or handpiece of static type, for instance a curing lamp, a camera, a suction cannula.
  • Arm means comprises in fact an elongated, flexible and pliable element of known type, which can be easily bent and positioned according to different working configurations or conformations, to position the supported dental instrument in a plurality of different positions in the space.
  • the flexible arm is sufficiently rigid to steadily and firmly support the weight of ordinarily used dental instruments without bending and changing conformation.
  • Connecting means is configured so as to allow fastening the device in a housing of a support unit, of known type, of dental unit, in particular a dentist's or assistant's board.
  • connecting means comprises a connecting element that can be inserted and removably locked in a cylindrical through cavity of the housing, said cavity usually being arranged for receiving support portions or handgrips of dental instruments.
  • the connecting element can also be interchanged with a plurality of further connecting elements that differ from one another in shape and dimensions in order to allow the device to be fastened to housings having different shapes and dimensions.
  • Hooking means comprises a shaped element provided with two appendixes forming a seat suitable for receiving and holding a dental instrument.
  • a support device 1 for dental instruments associable to a dental unit there is illustrated a support device 1 for dental instruments associable to a dental unit.
  • Device 1 comprises arm means 2 provided, at a first proximal end 2a with connecting means 3 arranged for connecting the device 1 to dental unit, and, at a second distal end 2b, with hooking means 4 to removably receive and support a dental instrument 50, in particular a dental handpiece.
  • Arm means 2 comprises an elongated flexible articulated element, in particular a flexible articulated tube of known type, commonly called flexible gooseneck or swanlike neck and used, for instance, for lamp stems.
  • This flexible articulated tube can be for instance of metallic or plastic ring type, having spherical connection portions.
  • This flexible and articulated arm can be easily bent and positioned ( Figure 2A, 2B ) according to different working configurations or conformations to allow hooking means 4, and thus instrument 50 connected thereto, to reach a plurality of positions in space.
  • arm 2 is sufficiently rigid to support in a steady way the weight of usually used dental instruments (for example 100-200 g) without bending or changing conformation.
  • Arm 2 is covered with a sheath made of hygienisable material, for instance made of rubber or silicone, which ensures an easier and effective cleaning of the external surface of arm 2.
  • the sheath forms, in fact, a surface lacking interstices and cracks.
  • arm 2 can comprise other flexible and articulated stems of known type, provided with an internal core, for example a rigid chain or a helical spring, incorporated in an elastomeric material.
  • an internal core for example a rigid chain or a helical spring, incorporated in an elastomeric material.
  • Connecting means 3 is configured so as to allow removably inserting the device 1 in a housing 21 of a support unit 20, of known type, of dental unit, in particular a dentist's or assistant's board.
  • Housing 21 comprises a cylindrical through cavity 22, provided with a longitudinal lateral opening 22a and designed to receive support portions or handgrips of dental instruments, in particular dental handpieces.
  • a further cylindrical or conic cavity 24 of greater dimensions is provided at the opening of through cavity 22 in order to facilitate instrument insertion.
  • One or more further housings for connecting means 3 can be provided on different portions of dental unit, for example on the headrest or on the chair back, on a lamp post, on a support arm of dentist's board.
  • Connecting means comprises a connecting element 3 shaped so as to engage the cavity 22 of housing 21.
  • Connecting element 3 comprises a first portion 3a having substantially truncated conical shape and a second portion 3b, interposed between said first portion 3a and the first end 2a of arm 2, having nearly cylindrical shape and a diameter slightly bigger than diameter of cavity 22.
  • the first portion 3a allows to easily insert connecting element 3 into the cavity 22; the second portion 3b, forced with a light interference in said cavity 22, removably blocks the connecting element 3 and therefore the device 1 in an assembly position A ( Figure 4 ).
  • connecting.element 3 is shaped so as to avoid activating said switch 23 when it is inserted in the cavity 22. In this way, dental instrument 50 associated with housing 21 can work when mounted on device 1, even if the latter engages housing 21.
  • the further housings provided on other portions of dental unit are not endowed with operation switches because they are not designed to support resting dental instruments.
  • connecting element 3 is provided with a longitudinal groove 3c, suitably shaped and dimensioned, arranged facing said switch 23 in said assembly condition A.
  • Connecting element 3 is interchangeable with a plurality of further connecting elements that differ from one another in shape and dimensions of portions 3a, 3b, so as to allow device 1 to be fastened to housings 21 having different shapes and dimensions.
  • connecting means 3 is removably connected to the first end 2a of arm 2, for example through threaded joint or through reversible fixed joint.
  • Handgrip means 5 is provided at said first end 2a of arm 2, so as to allow an easy grip of device 1 by dental operators.
  • Handgrip means 5 comprises a substantially cylindrical element fastened to said first end 2a and made of metallic material, for example.
  • Handgrip means 5 has dimensions - length and diameter - such as to allow an easy and comfortable manual grip.
  • Handgrip means 5 is interposed between said first end 2a of arm 2 and connecting means 3.
  • connecting element 3 is removably fixed to said handgrip means 5.
  • Hooking means 4 comprises a shaped element provided with two opposed appendixes 6, 7, internally shaped so as to realize a seat 8 suitable to receive a portion 50a, for instance a handgrip, of an instrument or handpiece 50.
  • Seat 8 has a conical shape having a diameter increasing from second end 2b of arm 2 towards outside, to receive handpieces 50 having different dimensions and shapes.
  • Seat 8 can have also..sections having any shape, for instance elliptic or prismatic, having width increasing from second end 2b towards outside.
  • Hooking means 4 is made of an elastically yielding material, so that opposing appendixes 6, 7 by extending can grip and lock in seat 8 handgrips 50a having different diameter and even different shape, e.g. elliptic, prismatic, etc.
  • hooking means 4 comprises a C-shaped rigid internal core, to realize opposing appendixes 6, 7, externally covered with a more yielding material, for instance rubber or silicone.
  • the support device 1 supports a dental instrument 50, for instance a curing lamp, removably fixed to hooking means 4, the handgrip 50a of said instrument being inserted and removably locked in seat 8.
  • a dental instrument 50 for instance a curing lamp
  • connecting means 3 is fixed to support unit 20, for example a dentist's board, through the insertion of connecting element in housing 21, in the assembly condition A.
  • Groove 3c provided in connecting element 3 allows to keep disengaged operation switch 23 of instrument 50, which can therefore freely work.
  • Flexible, bendable and positionable arm 2 allows to position in space in the desired way an instrument 50 and to maintain it in a steady and relatively precise working position.
  • Support device 1 allows therefore to sustain a plurality of dental instruments, which normally have to be supported by the hand of a dental operator (chair assistant or dentist), in particular relatively heavy and bulky dental instruments or handpieces of static type, such as curing lamps, cameras, suction cannulae.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Claims (18)

  1. Dispositif de support pour des instruments dentaires associables à une unité dentaire, comprenant des moyens de bras (2) munis, à une première extrémité (2a), de moyens de raccordement (3) destinés à raccorder de manière amovible ledit dispositif (1) à ladite unité dentaire et munis, à une deuxième extrémité (2b), de moyens d'accrochage (4) destinés à recevoir et supporter de manière amovible un instrument dentaire (50), lesdits moyens de bras (2) comprenant un élément allongé flexible, pliable et positionnable de façon à positionner de manière stable ledit instrument dentaire (50) dans une pluralité de positions différentes, caractérisé en ce que lesdits moyens de raccordement (3) sont prévus pour s'engager dans un logement (21) d'une unité de support (20) de ladite unité dentaire, ledit logement (21) étant aménagé pour recevoir des instruments dentaires.
  2. Dispositif selon la revendication 1, dans lequel ledit élément allongé (2) comprend un tube articulé flexible, en particulier un tube avec des anneaux métalliques ayant des portions de raccordement sphériques.
  3. Dispositif selon la revendication 1 ou 2, dans lequel lesdits moyens de bras (2) sont recouverts d'une gaine faite d'un matériau stérilisable, en particulier de caoutchouc ou de silicone.
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de raccordement (3) sont prévus pour s'engager dans un autre logement ménagé sur une portion de ladite unité dentaire, en particulier sur un appuie-tête, un dossier de fauteuil, un lampadaire, un bras de l'unité de support.
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de raccordement comprennent un élément de raccordement (3) prévu pour être inséré et bloqué temporairement dans une cavité (22) dudit logement (21), dans un état assemblé (A) dudit dispositif (1) sur ladite unité dentaire (20).
  6. Dispositif selon la revendication 5, dans lequel ledit élément de raccordement (3) comprend au moins une portion (3a) ayant une forme sensiblement tronconique.
  7. Dispositif selon la revendication 6, dans lequel ledit élément de raccordement (3) comprend une autre portion (3b) ayant une forme quasi cylindrique, interposée entre ladite première portion (3a) et ladite première extrémité (2a) desdits moyens de bras (2).
  8. Dispositif selon l'une quelconque des revendications 5 à 7, dans lequel lesdits moyens de raccordement (3) sont conformés de manière à éviter d'engager, dans ledit état assemblé (A), un interrupteur de service (23) prévu dans ladite cavité (22) pour activer et/ou désactiver un instrument dentaire (50) associé audit logement (21).
  9. Dispositif selon la revendication 8, dans lequel ledit élément de raccordement (3) comprend une rainure (3c) placée sensiblement en vis-à-vis dudit interrupteur de service (23) dans ledit état assemblé (A).
  10. Dispositif selon l'une quelconque des revendications précédentes, comprenant des moyens de poignée (5) interposés entre ladite première extrémité (2a) des moyens de bras (2) et lesdits moyens de raccordement (3) pour permettre la prise dudit dispositif (1) par un opérateur.
  11. Dispositif selon la revendication 10, dans lequel lesdits moyens de poignée (5) comprennent un élément sensiblement cylindrique fixé à ladite première extrémité (2a).
  12. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens de raccordement (3) sont fixés de manière amovible à ladite première extrémité (2a) desdits moyens de bras (2).
  13. Dispositif selon la revendication 12, lorsqu'elle est dépendante de la revendication 10 ou 11, dans lequel lesdits moyens de raccordement (3) sont fixés de manière amovible auxdits moyens de poignée (5).
  14. Dispositif selon la revendication 12 ou 13, dans lequel lesdits moyens de raccordement comprennent une pluralité de moyens de raccordement interchangeables (3).
  15. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdits moyens d'accrochage (4) comprennent un élément profilé pourvu de deux appendices en vis-à-vis (6, 7), conformé de manière à réaliser un siège (8) apte à recevoir une portion (50a) dudit instrument dentaire (50).
  16. Dispositif selon la revendication 15, dans lequel lesdits moyens d'accrochage (4) sont faits d'un matériau souple de façon que lesdits appendices opposés (6, 7) puissent s'écarter l'un de l'autre pour recevoir et bloquer dans ledit siège (8) des pièces à main (50) de différentes dimensions et/ou formes.
  17. Dispositif selon la revendication 15, dans lequel lesdits moyens d'accrochage (4) comprennent un noyau rigide en forme de C, recouvert extérieurement d'un matériau souple, tout particulièrement du caoutchouc ou du silicone.
  18. Dispositif selon l'une quelconque des revendications 15 à 17, dans lequel ledit siège (8) possède une forme essentiellement conique.
EP07111207A 2007-06-27 2007-06-27 Dispositif support pour instruments dentaires Not-in-force EP2008631B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602007008547T DE602007008547D1 (de) 2007-06-27 2007-06-27 Abstützvorrichtung für zahnärztliche Instrumente
EP07111207A EP2008631B1 (fr) 2007-06-27 2007-06-27 Dispositif support pour instruments dentaires
AT07111207T ATE477781T1 (de) 2007-06-27 2007-06-27 Abstützvorrichtung für zahnärztliche instrumente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07111207A EP2008631B1 (fr) 2007-06-27 2007-06-27 Dispositif support pour instruments dentaires

Publications (2)

Publication Number Publication Date
EP2008631A1 EP2008631A1 (fr) 2008-12-31
EP2008631B1 true EP2008631B1 (fr) 2010-08-18

Family

ID=38666943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07111207A Not-in-force EP2008631B1 (fr) 2007-06-27 2007-06-27 Dispositif support pour instruments dentaires

Country Status (3)

Country Link
EP (1) EP2008631B1 (fr)
AT (1) ATE477781T1 (fr)
DE (1) DE602007008547D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1393481B1 (it) * 2009-03-20 2012-04-27 Cefla Soc Coop Riunito odontoiatrico con tavoletta strumenti modulare
GR1009622B (el) * 2018-09-11 2019-10-23 Γεωργιος Παντελη Σολομωνιδης Βοηθητικο εργαλειο ιατρου

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3726012A (en) * 1971-04-05 1973-04-10 B Grayson Dental apparatus with enhanced handpiece manipulability
EP0575950B1 (fr) * 1992-06-26 1996-03-06 Hatzky, Torsten, DR. Unité de traitement dentaire
US5348472A (en) * 1993-04-28 1994-09-20 The Pelton & Crane Company Versatile dental delivery system
DE4430585A1 (de) 1993-08-27 1995-03-09 Schneider Hans Georg Prof Dr Absaugvorrichtung für zahnärztliche Behandlungseinheiten

Also Published As

Publication number Publication date
DE602007008547D1 (de) 2010-09-30
EP2008631A1 (fr) 2008-12-31
ATE477781T1 (de) 2010-09-15

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