FR2831050A1 - Dental hand piece with adjustable depth stop for drilling comprises several conduits leading fluid from external conduits to tool working zone, axial locking of stop comprising guillotine - Google Patents

Dental hand piece with adjustable depth stop for drilling comprises several conduits leading fluid from external conduits to tool working zone, axial locking of stop comprising guillotine Download PDF

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Publication number
FR2831050A1
FR2831050A1 FR0113549A FR0113549A FR2831050A1 FR 2831050 A1 FR2831050 A1 FR 2831050A1 FR 0113549 A FR0113549 A FR 0113549A FR 0113549 A FR0113549 A FR 0113549A FR 2831050 A1 FR2831050 A1 FR 2831050A1
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Prior art keywords
stop
tool
guillotine
axial locking
axis
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FR0113549A
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French (fr)
Inventor
Herve Richard
Guillaume Berchet
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Anthogyr SA
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Anthogyr SA
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Priority to FR0113549A priority Critical patent/FR2831050A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
    • A61C1/052—Ducts for supplying driving or cooling fluid, e.g. air, water
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A61C1/142—Operating tool blocking means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/036—Abutting means, stops, e.g. abutting on tissue or skin abutting on tissue or skin

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The dental hand piece adjustable stop (10) comprises several conduits (4) for leading fluid from one or more external conduits to the tool (8) working zone. The axial locking system of the stop comprises a guillotine (5) with spindle parallel to the tool axis. Axial locking of the stop is assured by holding the tool.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

PIECE A MAIN EQUIPEE D'UNE BUTEE DE PROFONDEUR
POUR LES OPERATIONS DE PERCAGE
La présente invention concerne les pièces à main utilisées dans les travaux dentaires, et permettant de porter un outil rotatif de travail et de l'entraîner selon un mouvement de rotation autour de son axe. HANDPIECE EQUIPPED WITH A DEPTH STOP
FOR DRILLING OPERATIONS
The present invention relates to handpieces used in dental work, and making it possible to carry a rotary working tool and to drive it in a rotational movement around its axis.

Lors d'une intervention d'implantologie, une phase importante réside dans le perçage du trou destiné à recevoir l'implant dans l'os. La longueur de l'implant est choisie en fonction de critères morphologiques et définie la profondeur du trou à percer. Il s'avère que dans certains cas, l'os présente des duretés différentes en surface et en profondeur. Le risque majeur réside dans l'endommagement du nerf dentaire qui pourrait être provoqué par un perçage trop profond. Cet endommagement pouvant avoir comme conséquence la désensibilisation des parties situées en aval.  During an implantology intervention, an important phase lies in drilling the hole intended to receive the implant in the bone. The length of the implant is chosen according to morphological criteria and defines the depth of the hole to be drilled. It turns out that in some cases, the bone has different hardnesses on the surface and in depth. The major risk lies in damaging the dental nerve which could be caused by drilling too deep. This damage can result in the desensitization of the parts located downstream.

L'objet de la présente invention est d'assurer une sécurisation du perçage, par un dispositif mécanique simple, intégré à la pièce à main, interdisant de dépasser une profondeur de perçage préalablement réglée par le praticien.  The object of the present invention is to secure the drilling, by a simple mechanical device, integrated into the handpiece, prohibiting exceeding a drilling depth previously set by the practitioner.

L'ordre de grandeur de longueurs des implants varie de 5mm à 20mm. Le système permet de sécuriser toutes les profondeurs de perçage dans cette fourchette.  The order of magnitude of implant lengths varies from 5mm to 20mm. The system makes it possible to secure all the drilling depths within this range.

Un autre objet principal de l'invention est de favoriser la reconstruction osseuse autour de l'implant, en limitant l'échauffement de l'os lors du perçage. La présente invention propose un système intégré à ce dispositif mécanique permettant de refroidir l'os dans des conditions optimales, en terme de qualité et de quantité.  Another main object of the invention is to promote bone reconstruction around the implant, by limiting the heating of the bone during drilling. The present invention provides a system integrated into this mechanical device for cooling the bone under optimal conditions, in terms of quality and quantity.

<Desc/Clms Page number 2> <Desc / Clms Page number 2>

Pour atteindre ces objets ainsi que d'autres, l'invention prévoit une pièce à main dentaire (1) à contre angle comprenant une tête à guillotine (5) dans laquelle sont prévus deux alésages transversaux, d'axe parallèle à l'axe de l'outil (8), servant de guidages linéaires à une butée réglable (6) composée de deux axes (3,4) reliés entre eux par une plaque-butée (2).  To achieve these and other objects, the invention provides a dental handpiece (1) with a contra angle comprising a guillotine head (5) in which two transverse bores are provided, with an axis parallel to the axis of the tool (8), serving as linear guides to an adjustable stop (6) composed of two axes (3,4) connected together by a stop plate (2).

Cette plaque butée (2) comporte un alésage coaxial à l'outil (8) d'un diamètre supérieur au plus grand des diamètres des outils. This stop plate (2) has a bore coaxial with the tool (8) with a diameter greater than the largest of the diameters of the tools.

Le premier axe (3) comporte une crémaillère taillée en creux destinée à recevoir l'extrémité biseautée de la guillotine (5) pour former avec elle l'arrêt en translation de la butée (6). The first axis (3) comprises a rack cut into a hollow intended to receive the beveled end of the guillotine (5) to form with it the stop in translation of the stop (6).

Cette même guillotine (5) servant au verrouillage de l'outil. Le second axe (4) est un tube dont une fonction et d'acheminer le fluide depuis un tuyau monté à force sur l'extrémité supérieure de ce tube (4), jusqu'à la plaque-butée (2). This same guillotine (5) used for locking the tool. The second axis (4) is a tube which has a function and of conveying the fluid from a pipe mounted by force on the upper end of this tube (4), up to the abutment plate (2).

Le praticien ouvre la guillotine (5) et met en place le foret (8), puis il insère la butée (6) dans la tête de la pièce à main (1). Il referme la guillotine (5) jusqu'à bloquer l'outil (8) et règle la profondeur de perçage en alignant la plaquebutée (2) sur le repère du foret (8) correspondant à la profondeur de perçage désirée. Puis il referme complètement la guillotine (5) et emmanche le tuyau d'irrigation.  The practitioner opens the guillotine (5) and sets up the drill (8), then he inserts the stop (6) in the head of the handpiece (1). It closes the guillotine (5) until the tool (8) is blocked and adjusts the drilling depth by aligning the stop plate (2) with the mark on the drill (8) corresponding to the desired drilling depth. Then it completely closes the guillotine (5) and connects the irrigation hose.

Nous connaissons plusieurs dispositifs permettant de sécuriser le perçage dans le domaine dentaire : - Le système décrit par le brevet EP0972494 est constitué d'une butée flexible maintenue dans un tube cintré, fixé sur la tête de la pièce à main. La manipulation se fait en poussant sur l'extrémité de la butée flexible et le maintien en position est assuré par les frottements entre la tige et son logement, résultant de la courbure du tube support. Ce dispositif ne propose pas de butée franche, capable de résister à un choc violent, et présente ainsi le risque de remonter dans son logement : la sécurité n'est pas totale.  We know several devices making it possible to secure the drilling in the dental field: - The system described by patent EP0972494 consists of a flexible stop maintained in a bent tube, fixed on the head of the handpiece. The manipulation is done by pushing on the end of the flexible stop and the holding in position is ensured by the friction between the rod and its housing, resulting from the curvature of the support tube. This device does not offer a frank stop, capable of withstanding a violent shock, and thus presents the risk of going back into its housing: security is not total.

<Desc/Clms Page number 3> <Desc / Clms Page number 3>

- Le brevet W00074585 propose d'intégrer le dispositif de sécurisation au foret. L'outil de perçage et sa butée sont solidarisés au moyen de pas de vis à pas à gauche. Ainsi, lorsque la butée entre en contact avec la partie osseuse, le foret remonte à l'intérieur de celle-ci. Ce dispositif semble apporter des garanties en terme de fonctionnement. En revanche, il en résulte un allongement sensible de la longueur du foret, préjudiciable à l'accès en bouche.  - Patent W00074585 proposes to integrate the safety device in the drill. The drilling tool and its stop are secured by means of left-hand threads. Thus, when the stopper comes into contact with the bone part, the drill bit rises inside the latter. This device seems to provide guarantees in terms of operation. On the other hand, this results in a significant lengthening of the length of the drill, which is detrimental to access in the mouth.

Ces brevets n'apportent en outre pas de solution au problème de chauffe de l'os lors du perçage.

Figure img00030001

1
D'autres objets, caractéristiques et avantages de la présente invention ressortiront de la description suivante de modes de réalisation particuliers faite en relation avec les figures jointes, parmi lesquelles :
La figure 1 est une vue en perspective de la présente invention. These patents also do not provide a solution to the problem of heating the bone during drilling.
Figure img00030001

1
Other objects, characteristics and advantages of the present invention will emerge from the following description of particular embodiments made in relation to the attached figures, among which:
Figure 1 is a perspective view of the present invention.

La figure 2 est une vue en perspective de la présente invention, le sous ensemble butée (6) étant sorti de la tête de la pièce à main (1).  Figure 2 is a perspective view of the present invention, the abutment sub-assembly (6) being removed from the head of the handpiece (1).

La figure 3 est une vue en coupe longitudinale passant par l'axe de l'outil (8).  Figure 3 is a longitudinal sectional view passing through the axis of the tool (8).

La figure 4 est une vue de dessus, la guillotine (5) étant représentée en position semi-ouverte.  Figure 4 is a top view, the guillotine (5) being shown in the semi-open position.

La figure 5 est une vue en perspective du sous-ensemble butée (6).  Figure 5 is a perspective view of the stop sub-assembly (6).

<Desc/Clms Page number 4> <Desc / Clms Page number 4>

La figure 6 est une vue en perspective éclatée du sousensemble butée (6).  Figure 6 is an exploded perspective view of the stop sub-assembly (6).

Cette butée (6) comporte un ou plusieurs conduits (4) destinés à acheminer des fluides depuis un ou plusieurs conduits externe à la butée (6), vers la zone de travail. Le système de blocage axial de ladite butée est une guillotine (5) d'axe (7) sensiblement parallèle à l'axe de l'outil (8) ou bien le système de blocage axial de ladite butée (6) est une poussette de type BRAUER ayant un mouvement de translation sensiblement perpendiculaire à l'axe de l'outil (8). Le système de blocage axial de ladite butée (6) assure par ailleurs le maintient de l'outil (8).  This stop (6) comprises one or more conduits (4) intended to convey fluids from one or more conduits external to the stop (6), towards the working area. The axial locking system of said stopper is a guillotine (5) with an axis (7) substantially parallel to the axis of the tool (8) or else the axial locking system of said stopper (6) is a pushchair. BRAUER type having a translational movement substantially perpendicular to the axis of the tool (8). The axial locking system of said stop (6) also maintains the tool (8).

Le praticien ouvre la guillotine (5) complètement.  The practitioner opens the guillotine (5) completely.

Il met en place le foret (8) dans la tête de la pièce à main (1) et referme à demi la guillotine (5) (voir figure 4) pour bloquer le foret (8).  It sets up the drill (8) in the head of the handpiece (1) and half closes the guillotine (5) (see Figure 4) to block the drill (8).

Il insère la butée (6) dans les alésages de la tête de la pièce à main (1) et règle sa profondeur de perçage en se basant sur les repère inscrits sur le foret (8), puis il bloque la butée (6) en refermant complètement la guillotine (5).  He inserts the stop (6) in the bores of the head of the handpiece (1) and adjusts its drilling depth based on the markings inscribed on the drill (8), then he blocks the stop (6) in completely closing the guillotine (5).

Il emmanche le tuyau de spray sur le tube (4) de la butée (6), et peut désormais aller travailler en bouche. It connects the spray hose to the tube (4) of the stop (6), and can now go to work in the mouth.

Claims (4)

REVENDICATIONS 1) Butée réglable (10) de pièce à main dentaire caractérisée en ce qu'elle comporte un ou plusieurs conduits (4) destinés à acheminer des fluides depuis un ou plusieurs conduits externes à la butée (10), vers la zone de travail d'un outil (8). 1) adjustable stop (10) for a dental handpiece, characterized in that it comprises one or more conduits (4) intended to convey fluids from one or more conduits external to the stop (10), towards the working area d 'a tool (8). 2) Butée réglable (10) de pièce à main dentaire et système de blocage axial de cette butée caractérisés en ce que le système de blocage axial de ladite butée assure par ailleurs le maintient de l'outil (8).  2) Adjustable stop (10) of dental handpiece and axial locking system of this stop, characterized in that the axial locking system of said stop also maintains the tool (8). 3) Butée réglable (10) de pièce à main dentaire et système de blocage axial de cette butée selon revendication (2) caractérisés en ce que le système de blocage axial de ladite butée est une guillotine (5) d'axe (7) sensiblement parallèle à l'axe de l'outil (8).  3) adjustable stop (10) of dental handpiece and axial locking system of this stop according to claim (2) characterized in that the axial locking system of said stop is a guillotine (5) of axis (7) substantially parallel to the axis of the tool (8). 4) Butée réglable (10) de pièce à main dentaire et système de blocage axial de cette butée selon revendication (2) caractérisés en ce que le système de blocage axial de ladite butée est une poussette de type BRAUER ayant un mouvement de translation sensiblement perpendiculaire à l'axe de l'outil.  4) adjustable stop (10) of dental handpiece and axial locking system of this stop according to claim (2) characterized in that the axial locking system of said stop is a stroller type BRAUER having a substantially perpendicular translational movement to the axis of the tool. <Desc/Clms Page number 6> <Desc / Clms Page number 6> Dans la tête guillotine (1) d'une pièce à main dentaire, selon l'invention, deux alésages transversaux d'axes parallèles à l'axe de l'outil (8) servent de guidage linéaire à une butée de profondeur (10), sous ensemble décrit par les figures 5 et 6. In the guillotine head (1) of a dental handpiece, according to the invention, two transverse bores of axes parallel to the axis of the tool (8) serve as linear guide to a depth stop (10) , sub assembly described by FIGS. 5 and 6. RESUME  ABSTRACT Cette butée de profondeur (10) est constituée de deux axes transversaux (3+4) solidarisés au moyen d'une plaque butée (2). This depth stop (10) consists of two transverse axes (3 + 4) secured by means of a stop plate (2). La plaque butée (2) comporte un alésage coaxial à l'outil (8). The stop plate (2) has a bore coaxial with the tool (8). L'axe (3) comporte une crémaillère taillée en creux qui reçoit l'extrémité arrondie et biseautée de la guillotine (5). Cette guillotine (5) permet d'arrêter en translation la butée (10). La guillotine (5) est articulée par rapport à la tête (1) de la pièce à main autour de l'axe (7), et sert également au verrouillage de l'outil (8). L'axe (4) est tubulaire et sert à acheminer le fluide d'arrosage en provenance d'un tuyau monté à force sur son extrémité supérieure, vers la plaque-butée (2). The axis (3) has a hollow-cut rack which receives the rounded and bevelled end of the guillotine (5). This guillotine (5) allows to stop in translation the stop (10). The guillotine (5) is articulated relative to the head (1) of the handpiece around the axis (7), and also serves to lock the tool (8). The axis (4) is tubular and is used to convey the coolant coming from a pipe force-fitted on its upper end, towards the stop plate (2). Cette plaque-butée (2) comporte un alésage (9) orienté vers l'outil (8) pour orienter le jet du fluide.This abutment plate (2) has a bore (9) oriented towards the tool (8) to orient the jet of the fluid.
FR0113549A 2001-10-19 2001-10-19 Dental hand piece with adjustable depth stop for drilling comprises several conduits leading fluid from external conduits to tool working zone, axial locking of stop comprising guillotine Withdrawn FR2831050A1 (en)

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FR2906707A1 (en) 2006-10-06 2008-04-11 Anthogyr Soc Par Actions Simpl DENTAL HAND PIECE WITH STOP DEVICE
FR2930422A1 (en) * 2008-04-23 2009-10-30 Wai Ping Jean Claude Yeung Fluid e.g. water, transporting irrigation device for use in dental instrument, has boring drill with coaxial tubular protection sheath comprising canal that opens at its proximal end near proximal outlet of sheath
EP2193756A1 (en) * 2008-12-04 2010-06-09 Alexander Stauder Guide rail and grooves for a bone drill
ITMC20100069A1 (en) * 2010-06-15 2011-12-16 Francesco Cecarini DEVICE FOR ASSISTING THE INSERTION OF DENTAL IMPLANTS, IN PARTICULAR TO CONTROL THE CENTERING, DIRECTION AND DEPTH OF THE TUNNEL IMPLANT.
ES2387727A1 (en) * 2010-07-27 2012-09-28 Carlos Fernando Cardona Labarga Sill of strawberry for implants, applicable to the head of the contranograph. (Machine-translation by Google Translate, not legally binding)
US8753121B2 (en) 2006-04-20 2014-06-17 Sonendo, Inc. Apparatus and methods for treating root canals of teeth
USD745966S1 (en) 2013-04-15 2015-12-22 Sonendo, Inc. Dental handpiece
US9492244B2 (en) 2009-11-13 2016-11-15 Sonendo, Inc. Liquid jet apparatus and methods for dental treatments
US9504536B2 (en) 2013-02-04 2016-11-29 Sonendo, Inc. Dental treatment system
US9675426B2 (en) 2010-10-21 2017-06-13 Sonendo, Inc. Apparatus, methods, and compositions for endodontic treatments
US10098717B2 (en) 2012-04-13 2018-10-16 Sonendo, Inc. Apparatus and methods for cleaning teeth and gingival pockets
US10363120B2 (en) 2012-12-20 2019-07-30 Sonendo, Inc. Apparatus and methods for cleaning teeth and root canals
US10722325B2 (en) 2013-05-01 2020-07-28 Sonendo, Inc. Apparatus and methods for treating teeth
US10806544B2 (en) 2016-04-04 2020-10-20 Sonendo, Inc. Systems and methods for removing foreign objects from root canals
US10835355B2 (en) 2006-04-20 2020-11-17 Sonendo, Inc. Apparatus and methods for treating root canals of teeth
US11173019B2 (en) 2012-03-22 2021-11-16 Sonendo, Inc. Apparatus and methods for cleaning teeth
US11213375B2 (en) 2012-12-20 2022-01-04 Sonendo, Inc. Apparatus and methods for cleaning teeth and root canals
US11350993B2 (en) 2006-08-24 2022-06-07 Pipstek, Llc Dental and medical treatments and procedures
US11701202B2 (en) 2013-06-26 2023-07-18 Sonendo, Inc. Apparatus and methods for filling teeth and root canals
USD997355S1 (en) 2020-10-07 2023-08-29 Sonendo, Inc. Dental treatment instrument
US12114924B2 (en) 2006-08-24 2024-10-15 Pipstek, Llc Treatment system and method

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WO2000074585A2 (en) 1999-06-03 2000-12-14 Arsline S.A. Security device comprising a stop member for drilling instrument used in particular in dental surgery and device pre-calibrating and storing drilling depth

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DE352011C (en) * 1922-04-18 Hans Brauer Contra-angle for dental milling, drilling and grinding tools
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US10016263B2 (en) 2006-04-20 2018-07-10 Sonendo, Inc. Apparatus and methods for treating root canals of teeth
US10617498B2 (en) 2006-04-20 2020-04-14 Sonendo, Inc. Apparatus and methods for treating root canals of teeth
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