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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
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Publication number
FR2831050A1
FR2831050A1FR0113549AFR0113549AFR2831050A1FR 2831050 A1FR2831050 A1FR 2831050A1FR 0113549 AFR0113549 AFR 0113549AFR 0113549 AFR0113549 AFR 0113549AFR 2831050 A1FR2831050 A1FR 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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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

Translated fromFrench

<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)

Translated fromFrench
REVENDICATIONS1) 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 ABSTRACTCette 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.
FR0113549A2001-10-192001-10-19Dental 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 guillotineWithdrawnFR2831050A1 (en)

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FR2906707A1 (en)2006-10-062008-04-11Anthogyr Soc Par Actions Simpl DENTAL HAND PIECE WITH STOP DEVICE
FR2930422A1 (en)*2008-04-232009-10-30Wai Ping Jean Claude YeungFluid 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)*2008-12-042010-06-09Alexander StauderGuide rail and grooves for a bone drill
ITMC20100069A1 (en)*2010-06-152011-12-16Francesco Cecarini DEVICE FOR ASSISTING THE INSERTION OF DENTAL IMPLANTS, IN PARTICULAR TO CONTROL THE CENTERING, DIRECTION AND DEPTH OF THE TUNNEL IMPLANT.
ES2387727A1 (en)*2010-07-272012-09-28Carlos Fernando Cardona LabargaSill of strawberry for implants, applicable to the head of the contranograph. (Machine-translation by Google Translate, not legally binding)
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USD745966S1 (en)2013-04-152015-12-22Sonendo, Inc.Dental handpiece
US9492244B2 (en)2009-11-132016-11-15Sonendo, Inc.Liquid jet apparatus and methods for dental treatments
US9504536B2 (en)2013-02-042016-11-29Sonendo, Inc.Dental treatment system
US9675426B2 (en)2010-10-212017-06-13Sonendo, Inc.Apparatus, methods, and compositions for endodontic treatments
US10098717B2 (en)2012-04-132018-10-16Sonendo, Inc.Apparatus and methods for cleaning teeth and gingival pockets
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US10806544B2 (en)2016-04-042020-10-20Sonendo, Inc.Systems and methods for removing foreign objects from root canals
US10835355B2 (en)2006-04-202020-11-17Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US11173019B2 (en)2012-03-222021-11-16Sonendo, Inc.Apparatus and methods for cleaning teeth
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US11350993B2 (en)2006-08-242022-06-07Pipstek, LlcDental and medical treatments and procedures
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US10835355B2 (en)2006-04-202020-11-17Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US10617498B2 (en)2006-04-202020-04-14Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US10039625B2 (en)2006-04-202018-08-07Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US10016263B2 (en)2006-04-202018-07-10Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US10010388B2 (en)2006-04-202018-07-03Sonendo, Inc.Apparatus and methods for treating root canals of teeth
US11918432B2 (en)2006-04-202024-03-05Sonendo, Inc.Apparatus and methods for treating root canals of teeth
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US11684421B2 (en)2006-08-242023-06-27Pipstek, LlcDental and medical treatments and procedures
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US11426239B2 (en)2006-08-242022-08-30Pipstek, LlcDental and medical treatments and procedures
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FR2930422A1 (en)*2008-04-232009-10-30Wai Ping Jean Claude YeungFluid 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)*2008-12-042010-06-09Alexander StauderGuide rail and grooves for a bone drill
US12268565B2 (en)2009-11-132025-04-08Sonendo, Inc.Liquid jet apparatus and methods for dental treatments
US9492244B2 (en)2009-11-132016-11-15Sonendo, Inc.Liquid jet apparatus and methods for dental treatments
US11160645B2 (en)2009-11-132021-11-02Sonendo, Inc.Liquid jet apparatus and methods for dental treatments
US10420630B2 (en)2009-11-132019-09-24Sonendo, Inc.Liquid jet apparatus and methods for dental treatments
ITMC20100069A1 (en)*2010-06-152011-12-16Francesco Cecarini DEVICE FOR ASSISTING THE INSERTION OF DENTAL IMPLANTS, IN PARTICULAR TO CONTROL THE CENTERING, DIRECTION AND DEPTH OF THE TUNNEL IMPLANT.
ES2387727A1 (en)*2010-07-272012-09-28Carlos Fernando Cardona LabargaSill of strawberry for implants, applicable to the head of the contranograph. (Machine-translation by Google Translate, not legally binding)
US10702355B2 (en)2010-10-212020-07-07Sonendo, Inc.Apparatus, methods, and compositions for endodontic treatments
US10806543B2 (en)2010-10-212020-10-20Sonendo, Inc.Apparatus, methods, and compositions for endodontic treatments
US12186151B2 (en)2010-10-212025-01-07Sonendo, Inc.Apparatus, methods, and compositions for endodontic treatments
US9675426B2 (en)2010-10-212017-06-13Sonendo, Inc.Apparatus, methods, and compositions for endodontic treatments
US11173019B2 (en)2012-03-222021-11-16Sonendo, Inc.Apparatus and methods for cleaning teeth
US10631962B2 (en)2012-04-132020-04-28Sonendo, Inc.Apparatus and methods for cleaning teeth and gingival pockets
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