WO2018097804A1 - Dental handpiece with semi-automatic control - Google Patents
Dental handpiece with semi-automatic control Download PDFInfo
- Publication number
- WO2018097804A1 WO2018097804A1 PCT/TN2017/000006 TN2017000006W WO2018097804A1 WO 2018097804 A1 WO2018097804 A1 WO 2018097804A1 TN 2017000006 W TN2017000006 W TN 2017000006W WO 2018097804 A1 WO2018097804 A1 WO 2018097804A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handpiece
- handpiece according
- head
- rotation
- screw
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- A61C1/12—Angle hand-pieces
-
- 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
- A61C1/144—Operating tool blocking means constricting the operating tool, e.g. chuck
-
- 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
- A61C1/0007—Control devices or systems
- A61C1/0015—Electrical systems
- A61C1/003—Control of rotation of instrument
-
- 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
- A61C1/0007—Control devices or systems
- A61C1/0038—Pneumatic systems
-
- 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
Definitions
- Dental preparation has many stresses, which require more concentration, especially with the conditions mentioned above. It is a painful task for the practitioner and the patient at the same time.
- the object of the present invention is to overcome the disadvantages mentioned above.
- the invention therefore aims to present a handpiece with a head comprising a system for adjusting the working height of said head with the mounted bur.
- This system allows the practitioner to facilitate his intervention in the patient's mouth especially for the posterior teeth or in case of patients with a problem of mouth opening.
- a handpiece comprising a system allowing the vertical movement of the cutter to change the height of the head.
- the idea is to rotate a screw causing through a screw-nut system the vertical translation from top to bottom or from bottom to top in the direction of rotation of said screw.
- the use of the instrument in question begins by introducing the cutter into the handpiece head by pressing at the same time on a button located at the top of the head which allows the opening of the gripper having a conical end having slots which make it flexible.
- the dentist adjusts the correct height of the handpiece head with the cutter by acting on the operating screw in pivot connection with the cover.
- the rotation in one direction or the other of the maneuvering screw causes the translation of the housing by means of a slide-screw-nut connection. As this case is secured to a support sliding in the body of the head (groove + key).
- the milling cutter plus turbine plus guide system will translate vertically.
- the speed control of the dental bur will be controlled by the hand instead of the foot.
- FIG. 1 shows a longitudinal sectional view of the head of the handpiece according to a preferred embodiment of the invention.
- FIG. 2 represents a sectional view taken along the line A-A of FIG. 1.
- FIG. 3 represents a detail view D of FIG. 1 of a means for clamping and loosening the instrument according to a preferred embodiment of the non-limiting invention in the form of an elastic clamp and a socket.
- FIG. 4 shows a general three-dimensional view of the collet.
- FIG. 5 shows a longitudinal sectional view of the clamping sleeve.
- FIG. 6a and 6b show a general three-dimensional view of the support guided in translation.
- FIG. 7 shows a longitudinal sectional view of the maneuvering screw.
- FIG. 8 shows an explanatory diagram of the connection of the device for controlling the speed of the cutter with the various components of the dental equipment.
- FIG. 9 shows a three-dimensional view of the speed control unit.
- FIG. 10 shows a three-dimensional view of the adapter.
- Figure 1 shows a section of a head of a dental air handpiece after the introduction of a bur or instrument 16.
- a device for adjusting the working height of the head with the mounted cutter The vertical displacement of a sliding support 2 is achieved by a screw-nut system constituted by a hollow operating screw 11 and a nut (tapped hole) in a housing 4 fixed on the sliding support 2 by 4 screws 17.
- the lower limit this displacement is reached by the contact between a shoulder of the sliding support 2 and the flat surface of the head 1 forming a stop, while the upper limit is materialized by the contact between the housing 4 and an elastic ring 13 mounted on the screw maneuver 11.
- the translation guide of the sliding support 2 in which is mounted a hollow shaft 5 in the head 1 of the handpiece is formed by a cylindrical surface contact and a key 3.
- the rotation guide of the operating screw 11 relative to the cover 12 secured to the head 1 by four screws 18, is formed by a cylindrical surface contact, a shoulder 1 la of the operating screw 11 and an elastic ring 13 mounted in a groove 1 ld thereof.
- the instrument 16 has a cylindrical tail designed for fixing it in the head 1.
- a clamp 8 hollow figure 4 receives the instrument 16 in its bore to a shoulder constituting a stop that includes this bore.
- the clamp 8 comprises a cylindrical portion 8a and a frustoconical portion 8b. On this frustoconical portion 8b are machined three slots 8c to 120 degrees making this part elastic and flexible.
- a circular spring 9 housed in the bore of the hollow shaft 5 bears on one side on the bottom of the bore thereof and on the other side on the end of the clamp 8 on which it exerts a permanent axial pressure to maintain its fitting in the internal frustoconical shape 6a of a sleeve 6 integral with the hollow shaft 5 causing a clamping of the milling by friction.
- the rotation guide of the shaft 5 relative to the sliding support 2 is provided by two bearings 14.
- the two rubber seals 15 are used to absorb vibrations.
- the rotation of the rotor 7 clamped on the hollow shaft 5 is driven by compressed air introduced by the supply ducts lb and 2b in the direction I and acting on the blades thereof .
- the exhaust of the air is done by the ducts la and 2a according to the direction II.
- an adapter B is connected to the main control unit A and allows the simultaneous connection of the control unit D and the pedal C.
- This adapter B can be integrated in the main control unit A or external and connected thereto by a cable.
- the use of the adapter B and the control unit D allows the practitioner to: - vary the speed of the rotary instrument of the handpiece E through the control unit D which replaces the pedal C.
- the control unit D can be integrated into the handpiece E or hooked onto it. It will be connected to the adapter B by a cable or without wires.
- the rotation of a wheel R of the control unit D in one direction or the other varies the speed of the rotary instrument of the handpiece E.
- the rotation of the wheel R in the direction (+) increases the speed, whereas the rotation in the (-) direction decreases it until the rotary instrument stops.
Landscapes
- 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)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Description de l'invention Titre : Titre : Pièce à main dentaire à contrôle semi-automatique. Invention Description Title: Title: Semi-Automatic Dental Handpiece.
1) Domaine technique: 1) Technical field:
Parmi les difficultés qui rencontrent les dentistes les interventions chirurgicales pour traiter les dents postérieures pour certains patients qui ont une difficulté ou une douleur parfois au moment d'ouvrir la bouche au maximum pour laisser un espace convenable qui permet au dentiste d'intervenir avec la pièce à main. Among the difficulties facing dentists are surgical procedures to treat the posterior teeth for some patients who have difficulty or pain sometimes when opening their mouths to the maximum to leave a suitable space that allows the dentist to intervene with the room by hand.
Mais généralement, l'espace est très court même avec des patients sains. Pour cela les dentistes cherchent à s'adapter dans ces conditions par incliner la pièce à main surtout pour les faces distales des dents. But usually, space is very short even with healthy patients. For this reason dentists seek to adapt in these conditions by inclining the handpiece especially for the distal faces of the teeth.
La préparation dentaire a beaucoup des contraintes, qui nécessitent plus de concentration, surtout avec les conditions mentionnées ci-dessus. C'est une tache pénible pour le praticien et le patient au même temps. Dental preparation has many stresses, which require more concentration, especially with the conditions mentioned above. It is a painful task for the practitioner and the patient at the same time.
2) Exposé de l'invention : 2) Presentation of the invention:
Le but de la présente invention est de remédier aux inconvénients cités ci-dessus. The object of the present invention is to overcome the disadvantages mentioned above.
L'invention a donc pour but de présenter une pièce à main avec une tête comportant un système de réglage de la hauteur de travail de ladite tête avec la fraise montée. Ce système permet au praticien de faciliter son intervention dans la bouche de patient surtout pour les dents postérieures ou bien en cas des patients ayant un problème d'ouverture buccale. The invention therefore aims to present a handpiece with a head comprising a system for adjusting the working height of said head with the mounted bur. This system allows the practitioner to facilitate his intervention in the patient's mouth especially for the posterior teeth or in case of patients with a problem of mouth opening.
Ce but est atteint par l'invention d'une pièce à main comportant un système permettant le déplacement vertical de la fraise à fin de faire varier la hauteur de la tête. This object is achieved by the invention of a handpiece comprising a system allowing the vertical movement of the cutter to change the height of the head.
L'idée consiste à faire tourner une vis provoquant à travers un système vis-écrou la translation verticale de haut en bas ou de bas en haut suivant le sens de rotation de ladite vis. The idea is to rotate a screw causing through a screw-nut system the vertical translation from top to bottom or from bottom to top in the direction of rotation of said screw.
L'utilisation de l'instrument en question commence par introduire la fraise dans la tête de pièce à main en appuyant au même temps sur un bouton situé en haut de la tête qui permet l'ouverture de la pince comportant une extrémité conique ayant des fentes qui le rendent flexible. The use of the instrument in question begins by introducing the cutter into the handpiece head by pressing at the same time on a button located at the top of the head which allows the opening of the gripper having a conical end having slots which make it flexible.
En relâchant le bouton le ressort va rappeler la pince à sa position initiale pour le mettre en contact avec la forme conique intérieure de la douille provoquant le serrage de la fraise par friction. Releasing the button the spring will return the clamp to its initial position to bring it into contact with the conical inner shape of the sleeve causing the clamping of the milling by friction.
Après la fixation de l'outil fraise, le dentiste règle la hauteur convenable de la tête de pièce à main avec la fraise en agissant sur la vis de manœuvre en liaison pivot avec le couvercle. After attaching the cutter tool, the dentist adjusts the correct height of the handpiece head with the cutter by acting on the operating screw in pivot connection with the cover.
La rotation dans un sens ou l'autre de la vis de manœuvre provoque la translation du boîtier par l'intermédiaire d'une liaison glissière vis-écrou. Comme ce boitier est solidaire d'un support glissant dans le corps de la tête (rainure + clavette). L'ensemble fraise plus turbine plus système de guidage va translater verticalement. The rotation in one direction or the other of the maneuvering screw causes the translation of the housing by means of a slide-screw-nut connection. As this case is secured to a support sliding in the body of the head (groove + key). The milling cutter plus turbine plus guide system will translate vertically.
Le contrôle de la vitesse de la fraise dentaire sera commandé par la main au lieu du pied. The speed control of the dental bur will be controlled by the hand instead of the foot.
On comprendra mieux l'invention à l'aide de la description ci-après faite en référence aux figures annexées suivantes. The invention will be better understood by means of the following description given with reference to the following appended figures.
3) Brève description des dessins: 3) Brief description of the drawings:
Cette description sera faite en regard des dessins annexés parmi lesquels : This description will be made with reference to the appended drawings among which:
- la figure 1 représente une vue en coupe longitudinale de la tête de la pièce à main selon un mode de réalisation préféré de l'invention. - Figure 1 shows a longitudinal sectional view of the head of the handpiece according to a preferred embodiment of the invention.
- la figure 2 représente une vue en coupe prise selon la ligne A-A de la figure 1. FIG. 2 represents a sectional view taken along the line A-A of FIG. 1.
- la figure 3 représente une vue en détail D de la figure 1 d'un moyen de serrage et de desserrage de l'instrument selon un mode de réalisation préféré de l'invention non limitatif en forme d'une pince élastique et d'une douille. FIG. 3 represents a detail view D of FIG. 1 of a means for clamping and loosening the instrument according to a preferred embodiment of the non-limiting invention in the form of an elastic clamp and a socket.
- la figure 4 représente une vue générale en trois dimensions de la pince de serrage. - Figure 4 shows a general three-dimensional view of the collet.
- la figure 5 représente une vue en coupe longitudinale de la douille de serrage. - Figure 5 shows a longitudinal sectional view of the clamping sleeve.
- les figures 6a et 6b représentent une vue générale en trois dimensions du support guidé en translation. - Figures 6a and 6b show a general three-dimensional view of the support guided in translation.
- la figure 7 représente une vue en coupe longitudinale de la vis de manœuvre. - la figure 8 représente un schéma explicatif de la liaison du dispositif de contrôle de la vitesse de la fraise avec les différents composants de l'équipement dentaire. - Figure 7 shows a longitudinal sectional view of the maneuvering screw. - Figure 8 shows an explanatory diagram of the connection of the device for controlling the speed of the cutter with the various components of the dental equipment.
- la figure 9 représente une vue en trois dimensions de l'unité de commande de la vitesse. - Figure 9 shows a three-dimensional view of the speed control unit.
- la figure 10 représente une vue en trois dimensions de l'adaptateur. - Figure 10 shows a three-dimensional view of the adapter.
4) Description de modes de réalisation préférés : 4) Description of preferred embodiments:
La figure 1 représente une coupe d'une tête d'une pièce à main dentaire à air comprimé après la mise en place d'une fraise ou d'un instrument 16. Figure 1 shows a section of a head of a dental air handpiece after the introduction of a bur or instrument 16.
On peut voir un dispositif de réglage de la hauteur de travail de la tête avec la fraise montée. Le déplacement vertical d'un support glissant 2 est réalisé par un système vis-écrou constitué par une vis creuse de manœuvre 11 et un écrou (trou taraudé) dans un boîtier 4 fixé sur le support glissant 2 par 4 vis 17. La limite inférieure de ce déplacement est atteinte par le contact entre un épaulement du support glissant 2 et la surface plane de la tête 1 constituant une butée, alors que la limite supérieure est matérialisée par le contact entre le boîtier 4 et un anneau élastique 13 monté sur la vis de manœuvre 11. One can see a device for adjusting the working height of the head with the mounted cutter. The vertical displacement of a sliding support 2 is achieved by a screw-nut system constituted by a hollow operating screw 11 and a nut (tapped hole) in a housing 4 fixed on the sliding support 2 by 4 screws 17. The lower limit this displacement is reached by the contact between a shoulder of the sliding support 2 and the flat surface of the head 1 forming a stop, while the upper limit is materialized by the contact between the housing 4 and an elastic ring 13 mounted on the screw maneuver 11.
Le guidage en translation du support glissant 2 dans lequel est monté un arbre creux 5 dans la tête 1 de la pièce à main est réalisé par un contact surfacique cylindrique et une clavette 3. Le guidage en rotation de la vis de manœuvre 11 par rapport au couvercle 12 solidaire de la tête 1 par quatre vis 18, est réalisé par un contact surfacique cylindrique, un épaulement 1 la de la vis de manœuvre 11 et un anneau élastique 13 monté dans une gorge 1 ld de celle-ci. Les avantages de cette solution sont: la simplicité, le nombre de pièces réduit et donc peu coûteuse. The translation guide of the sliding support 2 in which is mounted a hollow shaft 5 in the head 1 of the handpiece is formed by a cylindrical surface contact and a key 3. The rotation guide of the operating screw 11 relative to the cover 12 secured to the head 1 by four screws 18, is formed by a cylindrical surface contact, a shoulder 1 la of the operating screw 11 and an elastic ring 13 mounted in a groove 1 ld thereof. The advantages of this solution are: simplicity, the number of parts reduced and therefore inexpensive.
La qualité de cette liaison dépend du bon choix des matériaux en contact (coefficient de frottement, lubrification), de l'ajustement entre les pièces (jeu) et de la qualité de fabrication (rugosité, géométrie). On peut l'améliorer par l'utilisation d'une bague de frottement. The quality of this connection depends on the good choice of materials in contact (coefficient of friction, lubrication), the adjustment between the parts (clearance) and the quality of manufacture (roughness, geometry). It can be improved by the use of a friction ring.
Comme le montre la figure 6, la manipulation de la vis de manœuvre 11 est facilitée par un moletage l ie. As shown in Figure 6, the manipulation of the operating screw 11 is facilitated by a knurling l ie.
Afin que le déplacement vertical du support glissant 2 pendant le réglage de la hauteur de travail de la tête 1 avec la fraise 16 montée, ne coupe pas l'arrivée permanente de l'air comprimé aux aubes du rotor 7, deux trous oblongs 2b sont usinés sur ce support glissant 2 comme le montre la figure 6. So that the vertical displacement of the sliding support 2 during the adjustment of the working height of the head 1 with the mounted bur 16 does not cut off the permanent arrival of the compressed air to the vanes of the rotor 7, two oblong holes 2b are machined on this sliding support 2 as shown in Figure 6.
L'instrument 16 comporte une queue cylindrique conçue pour sa fixation dans la tête 1. Une pince 8 creuse figure 4 reçoit l'instrument 16 dans son alésage jusqu'à un épaulement constituant une butée que comporte cet alésage. The instrument 16 has a cylindrical tail designed for fixing it in the head 1. A clamp 8 hollow figure 4 receives the instrument 16 in its bore to a shoulder constituting a stop that includes this bore.
Comme le montre la figure 4, la pince 8 comporte une partie cylindrique 8a et une partie tronconique 8b. Sur cette partie tronconique 8b sont usinées trois fentes 8c à 120 degrés rendant cette partie élastique et flexible. As shown in Figure 4, the clamp 8 comprises a cylindrical portion 8a and a frustoconical portion 8b. On this frustoconical portion 8b are machined three slots 8c to 120 degrees making this part elastic and flexible.
Un ressort 9 circulaire logé dans l'alésage de l'arbre creux 5 prend appui d'un côté sur le fond de l'alésage de celui-ci et de l'autre côté sur l'extrémité de la pince 8 sur laquelle il exerce une pression axiale permanente pour maintenir son emmanchement dans la forme tronconique interne 6a d'une douille 6 solidaire de l'arbre creux 5 provoquant un serrage de la fraise par friction. A circular spring 9 housed in the bore of the hollow shaft 5 bears on one side on the bottom of the bore thereof and on the other side on the end of the clamp 8 on which it exerts a permanent axial pressure to maintain its fitting in the internal frustoconical shape 6a of a sleeve 6 integral with the hollow shaft 5 causing a clamping of the milling by friction.
L'introduction et la sortie de la queue de l'instrument 16, respectivement dans et de la tête 1 de la pièce à main est commandée par un appui sur un bouchon 10 réalisé en matière plastique thermiquement isolante, solidaire à l'extrémité supérieure de la pince 8 qui traverse l'alésage 1 le d'une vis creuse 11. Cet appui provoque le déplacement de la pince qui efface le contact conique pince 8 et douille 6 et permettant alors le passage libre de l'instrument 16. La figure 3 montre la pince 8 dans la position permettant le passage libre de l'instrument 16. Le changement d'outil est rapide et confortable. The introduction and the exit of the tail of the instrument 16, respectively in and of the head 1 of the handpiece is controlled by a support on a plug 10 made of thermally insulating plastic material, integral with the upper end of the clamp 8 which passes through the bore 1 of a hollow screw 11. This support causes the displacement of the clamp which clears the conical contact clamp 8 and socket 6 and then allowing the free passage of the instrument 16. Figure 3 shows the clamp 8 in the position allowing the free passage of the instrument 16. The tool change is fast and comfortable.
Pour refroidir l'instrument 16 dans la zone de travail, de l'air comprimé et de l'eau sont amenés par les conduits le et ld. To cool the instrument 16 in the work area, compressed air and water are fed through the ducts 1a and 1d.
Le guidage en rotation de l'arbre ceux 5 par rapport au support glissant 2 est assuré par deux roulements 14. Les deux joints en caoutchouc 15 sont utilisés pour absorber les vibrations. Comme le montre la figure 2, la rotation du rotor 7 serré sur l'arbre creux 5 est entraînée par de l'air comprimé introduit par les conduits d'amenée lb et 2b suivant le sens I et agissant sur les aubes de celui-ci. L'échappement de l'air Se fait par les conduits la et 2a suivant le sens II. The rotation guide of the shaft 5 relative to the sliding support 2 is provided by two bearings 14. The two rubber seals 15 are used to absorb vibrations. As shown in Figure 2, the rotation of the rotor 7 clamped on the hollow shaft 5 is driven by compressed air introduced by the supply ducts lb and 2b in the direction I and acting on the blades thereof . The exhaust of the air is done by the ducts la and 2a according to the direction II.
La variation de la vitesse de rotation de l'instrument rotatif de la pièce à main qui a été uniquement commandée par une pédale C devient par une unité de commande D. The variation of the speed of rotation of the rotary instrument of the handpiece which has only been controlled by a pedal C becomes through a control unit D.
Comme le montre la figure 8, un adaptateur B est connecté à l'unité principale de contrôle A et permet la connexion simultanée de l'unité de commande D et de la pédale C. As shown in Figure 8, an adapter B is connected to the main control unit A and allows the simultaneous connection of the control unit D and the pedal C.
Cet adaptateur B peut être intégré dans l'unité principale de contrôle A ou externe et connecté à celle-ci par un câble. This adapter B can be integrated in the main control unit A or external and connected thereto by a cable.
L'utilisation de l'adaptateur B et de l'unité de commande D permet au praticien de : - faire varier la vitesse de l'instrument rotatif de la pièce à main E à travers l'unité de commande D qui remplace la pédale C. The use of the adapter B and the control unit D allows the practitioner to: - vary the speed of the rotary instrument of the handpiece E through the control unit D which replaces the pedal C.
- Modifier la fonction de la pédale C des chaises dentaires en n'autorisant uniquement que le réglage et l'orientation du fauteuil. - Change the function of pedal C of dental chairs by allowing only the adjustment and orientation of the chair.
L'unité de commande D peut être intégrée dans la pièce à main E ou bien accrochée sur celle- ci. Elle sera connectée à l'adaptateur B par un câble ou sans fils. The control unit D can be integrated into the handpiece E or hooked onto it. It will be connected to the adapter B by a cable or without wires.
La rotation d'une roulette R de l'unité de commande D dans un sens ou dans l'autre fait varier la vitesse de l'instrument rotatif de la pièce à main E. La rotation de la roulette R dans le sens (+) augmente la vitesse, alors que la rotation dans le sens (-) la diminue jusqu'à l'arrêt de l'instrument rotatif. The rotation of a wheel R of the control unit D in one direction or the other varies the speed of the rotary instrument of the handpiece E. The rotation of the wheel R in the direction (+) increases the speed, whereas the rotation in the (-) direction decreases it until the rotary instrument stops.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TNTN2016/0524 | 2016-11-22 | ||
| TN2016000524A TN2016000524A1 (en) | 2016-11-22 | 2016-11-22 | Dental handpiece with semi-automatic control. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018097804A1 true WO2018097804A1 (en) | 2018-05-31 |
Family
ID=61054471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TN2017/000006 Ceased WO2018097804A1 (en) | 2016-11-22 | 2017-11-20 | Dental handpiece with semi-automatic control |
Country Status (2)
| Country | Link |
|---|---|
| TN (1) | TN2016000524A1 (en) |
| WO (1) | WO2018097804A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557751A (en) * | 2020-04-23 | 2020-08-21 | 佛山市摩德尔精密口腔医疗器械有限公司 | Dental bending machine with grinding head capable of being locked quickly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB851110A (en) * | 1958-04-26 | 1960-10-12 | Siemens Reiniger Werke Ag | Improvements in or relating to a dental handpiece having a turbine for driving a dental tool |
| DE9210741U1 (en) * | 1991-08-13 | 1992-10-01 | IMTEC Innovative Medizintechnik Gesellschaft m.b.H., Hallein | Head for a dental handpiece |
| WO2007077223A1 (en) * | 2006-01-06 | 2007-07-12 | Materialise Dental N.V. | Dental handpiece |
| DE102010011630A1 (en) * | 2010-03-16 | 2011-09-22 | Eugen Elbofner | Dental tool holder, has ball bearings arranged at bearing sleeves, and spring prestressing pushbutton and positioning one of bearings, where spring is formed as convexly curved snap ring and arranged between pushbutton and thrust washer |
-
2016
- 2016-11-22 TN TN2016000524A patent/TN2016000524A1/en unknown
-
2017
- 2017-11-20 WO PCT/TN2017/000006 patent/WO2018097804A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB851110A (en) * | 1958-04-26 | 1960-10-12 | Siemens Reiniger Werke Ag | Improvements in or relating to a dental handpiece having a turbine for driving a dental tool |
| DE9210741U1 (en) * | 1991-08-13 | 1992-10-01 | IMTEC Innovative Medizintechnik Gesellschaft m.b.H., Hallein | Head for a dental handpiece |
| WO2007077223A1 (en) * | 2006-01-06 | 2007-07-12 | Materialise Dental N.V. | Dental handpiece |
| DE102010011630A1 (en) * | 2010-03-16 | 2011-09-22 | Eugen Elbofner | Dental tool holder, has ball bearings arranged at bearing sleeves, and spring prestressing pushbutton and positioning one of bearings, where spring is formed as convexly curved snap ring and arranged between pushbutton and thrust washer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557751A (en) * | 2020-04-23 | 2020-08-21 | 佛山市摩德尔精密口腔医疗器械有限公司 | Dental bending machine with grinding head capable of being locked quickly |
Also Published As
| Publication number | Publication date |
|---|---|
| TN2016000524A1 (en) | 2018-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0399939B1 (en) | Dental hand piece | |
| JP4852183B2 (en) | Implant device and implant device guide system | |
| EP0034237B1 (en) | Dental instrument with handpiece | |
| US5308242A (en) | Disposable handpiece for dental procedures | |
| EP2168703A1 (en) | Tool holder with axial adjustment | |
| FR2831050A1 (en) | 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 | |
| ES2623140T3 (en) | Coupling device for transmitting a driving movement of a handpiece, which transmits vibrations, to a tool for clinical use, particularly dental | |
| FR2938750A1 (en) | DEVICE FOR ASSISTING THE INSTALLATION OF DENTAL IMPLANTS | |
| EP2353540A1 (en) | Assembly of a dental implant and a prosthetic element | |
| FR2896403A1 (en) | Drill guide for use when fitting dental implants comprises profiled rod which fits into profiled bore in tube and semi-cylindrical or cylindrical tube attached to rod by connecting strip holding it at desired angle and which acts as guide | |
| WO2018097804A1 (en) | Dental handpiece with semi-automatic control | |
| FR2799114A1 (en) | DENTAL HANDPIECE HAVING MECHANICAL TORQUE LIMITING MEANS | |
| AU8995101A (en) | Dental implant-carrier assembly | |
| FR2676912A1 (en) | DENTAL APPARATUS FOR DRIVING AN ENDODONTIC INTERVENTION TOOL. | |
| WO2008034980A1 (en) | Counter-angle universal screwdriver for implantology | |
| FR2692473A1 (en) | Right-angle drive adaptor head for rotary dental instrument | |
| EP1948065B1 (en) | Dental or chirurgical handpiece | |
| FR2516784A1 (en) | Jaw implant forming denture root - comprises sleeve with cutting teeth at end and apertures in sides | |
| FR2534515A1 (en) | Vibrating tool holder drive by flexible shaft | |
| CH628799A5 (en) | DEVICE FOR FIXING A DENTAL INSTRUMENT IN A HANDPIECE. | |
| FR2715598A1 (en) | Tool holder for medical or surgical tool and robot comprising such a tool holder. | |
| FR2576206A1 (en) | Dental surgery handpiece with rotary tool | |
| KR101931286B1 (en) | Wire Holding Chuck for Medical procedure | |
| WO2010100342A1 (en) | Circular scalpel self-guided by a central element | |
| WO2024051946A1 (en) | Tool holder apparatus capable of rotating an endodontic instrument, and endodontic device comprising such an apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17835887 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 17835887 Country of ref document: EP Kind code of ref document: A1 |