ES2348896A1 - "anti-loosening device for screws of protesisdentals." (Machine-translation by Google Translate, not legally binding) - Google Patents

"anti-loosening device for screws of protesisdentals." (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2348896A1
ES2348896A1 ES201000903A ES201000903A ES2348896A1 ES 2348896 A1 ES2348896 A1 ES 2348896A1 ES 201000903 A ES201000903 A ES 201000903A ES 201000903 A ES201000903 A ES 201000903A ES 2348896 A1 ES2348896 A1 ES 2348896A1
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Spain
Prior art keywords
prosthesis
screws
screw
fixing
dental
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Granted
Application number
ES201000903A
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Spanish (es)
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ES2348896B1 (en
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Felix Anguita Sancho
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same

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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 Prosthetics (AREA)

Abstract

Anti-loosening device for dental prosthesis fixing screws. The device of the invention comprises a lug which can be coupled to the head of a fixing screw of a prosthesis, a stem protruding from said lug whose shape is configured to prevent rotation when it is covered by the filling material that closes the chimney of a prosthesis dental, in such a way that, the device prevents the loosening of fixing screws used for dental prostheses within the field of dentistry and dental prosthesis. (Machine-translation by Google Translate, not legally binding)

Description

Dispositivo anti-aflojamiento para tornillos de fijación de prótesis dentales.Anti-loosening device for fixing denture screws.

Objeto de la invenciónObject of the invention

Un primer objeto de la presente invención es un dispositivo que evita el aflojamiento de tornillos de fijación utilizados para prótesis dentales dentro del campo de la odontología y la prótesis dental.A first object of the present invention is a device that prevents loosening of fixing screws used for dentures in the field of dentistry and the dental prosthesis.

Antecedentes de la invenciónBackground of the invention

Para sustituir piezas dentarias en la boca de un paciente son conocidos los implantes dentales, que consisten fundamentalmente en una pieza metálica incrustada en el hueso maxilar del paciente y que tiene un orificio cilíndrico para recibir un tornillo de fijación al cual se acopla la prótesis que sustituye a la pieza dental perdida. Un inconveniente de este montaje es que, en muchas ocasiones, al poco tiempo de haber fijado una prótesis a un implante aparece un desagradable problema al ver que se ha aflojado el tornillo de fijación. Esta es una complicación frecuente que causa incomodidades a odontólogos y pacientes, obligados a repetir una visita para solucionar un problema que se podría haber evitado.To replace teeth in the mouth of a patient dental implants are known, which consist fundamentally in a metal piece embedded in the bone maxilla of the patient and that has a cylindrical hole to receive a fixing screw to which the replacement prosthesis is attached To the missing tooth. A drawback of this assembly is that, on many occasions, shortly after having fixed a prosthesis to an implant appears an unpleasant problem to see that it has Loosen the set screw. This is a frequent complication. that causes discomfort to dentists and patients, forced to repeat a visit to solve a problem that could have been avoided.

Actualmente existen algunas soluciones conocidas, aunque ninguna de ellas resuelve satisfactoriamente el problema. Por ejemplo, se pueden utilizar tornillos de fijación de oro, cuya maleabilidad permite conseguir fijaciones extremadamente rígidas. Sin embargo, el uso de oro encarece los costes y además frecuentemente es difícil retirar el tornillo en caso de que fuese necesario. Otra posible solución consiste en pegar el tornillo de fijación al implante empleando adhesivos, lo cual presenta el inconveniente de que, si el adhesivo es demasiado fuerte, resulta imposible retirar el tornillo. Por el contrario, si el adhesivo es demasiado débil no se consigue solucionar el problema.There are currently some solutions known, although none of them satisfactorily resolves the trouble. For example, fixing screws of gold, whose malleability allows to obtain extremely fixations rigid. However, the use of gold makes costs more expensive and also it is often difficult to remove the screw in case it was necessary. Another possible solution is to glue the screw fixation to the implant using adhesives, which presents the inconvenient that if the adhesive is too strong, it turns out Impossible to remove the screw. On the contrary, if the adhesive is Too weak, the problem cannot be solved.

En consecuencia, aún existe la necesidad de un sistema de fijación que resuelva estos inconvenientes.Consequently, there is still a need for a fixing system that solves these problems.

Descripción de la invenciónDescription of the invention

El dispositivo de la invención resuelve los problemas anteriormente descritos, ya que permite evitar la anti-rotación del tornillo de fijación sin impedir su fácil retirada en caso de necesidad. Además, no se requiere ningún instrumento adicional para su colocación ni para su retirada. Todo esto, unido a su bajo coste, lo convierte en la mejor opción para conseguir que un implante y su prótesis tengan un éxito seguro y duradero, evitando que el paciente pierda la confianza debido al desagradable inconveniente de un tornillo que se afloja.The device of the invention solves the problems described above, since it allows to avoid anti-rotation of the fixing screw without preventing Easy removal if necessary. In addition, it is not required No additional instrument for placement or removal. All this, together with its low cost, makes it the best option to ensure that an implant and its prosthesis have a sure success and durable, preventing the patient from losing confidence due to nasty inconvenience of a screw that loosen.

El dispositivo anti-aflojamiento de la invención para tornillos de implantes dentales está fundamentalmente formado por un tetón del que sobresale un vástago. El tetón tiene una forma tal que permite su acoplamiento a la cabeza del tornillo de fijación de una prótesis. Podría tratarse de una forma hexagonal, que es la más extendida en los tornillos de fijación, aunque puede tener otras formas como triangular, cuadrada, etc., dependiendo del tipo de tornillo sobre el que se vaya a emplear. Por otro lado, el vástago tiene una forma configurada para evitar el giro cuando está recubierto por el material de relleno que cierra la chimenea de una prótesis dental. Podría tratarse, por ejemplo, de una sección en forma de triangular, cuadrada, hexagonal, elíptica, en cruz, u otras, aunque se podría decir de modo general que basta con que su sección no sea circular. Preferiblemente, el dispositivo de la invención está hecho de un material duro y rígido.The anti-loosening device of the invention for dental implant screws is fundamentally formed by a stud from which a stem protrudes. The stud has a shape that allows it to be attached to the head of the fixation screw of a prosthesis. It could be a hexagonal shape, which is the most widespread in the screws of fixing, although it can have other shapes such as triangular, square, etc., depending on the type of screw on which you are going to use. On the other hand, the stem has a shape configured to avoid turning when it is covered by the filler material that Close the chimney of a dental prosthesis. It could be treated, by example of a triangular, square, hexagonal shaped section, elliptical, cross, or others, although you could say in a general way it is enough that its section is not circular. Preferably, the device of the invention is made of a hard material and rigid.

Así, para evitar que el tornillo de fijación de una prótesis se afloje, basta con introducir el tetón del dispositivo de la invención en el hueco de la cabeza de dicho tornillo. Al quedar el vástago en el interior de la chimenea de la prótesis, embebido en el material de relleno habitualmente utilizado, se consigue solidarizar de una manera efectiva el tornillo a la prótesis, evitando su posible aflojamiento.So, to prevent the fixing screw from a prosthesis is loosened, just introduce the pin of the device of the invention in the hollow of the head of said screw. When the stem is inside the chimney of the prosthesis, embedded in the filling material usually used, you can effectively support the screw the prosthesis, avoiding its possible loosening.

Según una realización preferida, el dispositivo de la invención comprende además un disco situado entre el tetón y el vástago, que evita la entrada de material de relleno u otros cuerpos extraños en los alrededores de la cabeza del tornillo. Este disco tendrá preferiblemente un diámetro igual que el diámetro de la cabeza de un tornillo de fijación.According to a preferred embodiment, the device of the invention further comprises a disk located between the stud and the stem, which prevents the entry of filler material or other foreign bodies around the screw head. This disk will preferably have a diameter equal to the diameter of the head of a fixing screw.

Breve descripción de las figurasBrief description of the figures

Las Figs. 1a y 1b muestran dos vistas en perspectivas de un ejemplo del dispositivo de la invención.Figs. 1a and 1b show two views in perspectives of an example of the device of the invention.

La Fig. 2 muestra una vista esquemática del dispositivo de la invención durante su uso.Fig. 2 shows a schematic view of the device of the invention during its use.

Realización preferida de la invenciónPreferred Embodiment of the Invention

Se describe a continuación un ejemplo de la invención haciendo referencia a las figuras adjuntas. Concretamente, en las Figs. 1a y 1b se aprecian las diferentes partes que componen el dispositivo (1) de la invención: el tetón (2), que en este ejemplo tiene una forma hexagonal, el vástago (3), que en este ejemplo tiene forma de cruz, y el disco (4).An example of the invention referring to the attached figures. Specifically, in Figs. 1a and 1b appreciate the different parts that make up the device (1) of the invention: the pin (2), which in this example has a hexagonal shape, the stem (3), which in this example is shaped like a cross, and the disk (4).

La Fig. 2 muestra un tornillo (10) de fijación acoplado al correspondiente implante (11) dental incrustado en el hueso (14) del paciente. Se introduce el tetón (2) del dispositivo (1) de la invención en el hueco de la cabeza del tornillo (10) de fijación a la prótesis (12). El vástago (3) del dispositivo (1) queda embebido en el material de relleno (no mostrado) que se utiliza habitualmente para rellenar la chimenea (13) de la prótesis (12), solidarizando así de manera efectiva el tornillo (10) y la prótesis (12) para evitar cualquier aflojamiento indeseado.Fig. 2 shows a fixing screw (10) coupled to the corresponding dental implant (11) embedded in the bone (14) of the patient. The pin (2) of the device is introduced (1) of the invention in the screw head recess (10) of fixation to the prosthesis (12). The rod (3) of the device (1) is embedded in the filler material (not shown) that is regularly used to fill the chimney (13) of the prosthesis (12), thus effectively supporting the screw (10) and the prostheses (12) to avoid any unwanted loosening.

Claims (6)

1. Dispositivo (1) anti-aflojamiento para tornillos (10) de fijación de prótesis (12) dentales, caracterizado porque comprende un tetón (2) acoplable a la cabeza de un tornillo (10) de fijación de una prótesis (12), sobresaliendo de dicho tetón (2) un vástago (3) cuya forma está configurada para evitar el giro cuando está recubierto por el material de relleno que cierra la chimenea (13) de una prótesis (12) dental.1. Anti-loosening device (1) for screws (10) for fixing dentures (12), characterized in that it comprises a stud (2) attachable to the head of a screw (10) for fixing a prosthesis (12), protruding from said pin (2) a rod (3) whose shape is configured to prevent rotation when it is covered by the filling material that closes the chimney (13) of a dental prosthesis (12). 2. Dispositivo (1) según la reivindicación 1, donde el tetón (2) tiene forma triangular, hexagonal o cuadrada.2. Device (1) according to claim 1, where the stud (2) has a triangular, hexagonal or square shape. 3. Dispositivo (1) según cualquiera de las reivindicaciones 1-2, donde el vástago (3) tiene una sección triangular, cuadrada, hexagonal, elíptica o en cruz.3. Device (1) according to any of the claims 1-2, wherein the stem (3) has a triangular, square, hexagonal, elliptical or cross section. 4. Dispositivo (1) según cualquiera de las reivindicaciones 1-3, que además comprende un disco (4) situado entre el tetón (2) y el vástago (3).4. Device (1) according to any of the claims 1-3, further comprising a disk (4) located between the pin (2) and the rod (3). 5. Dispositivo (1) según la reivindicación 4, donde el diámetro del disco (4) es igual que el diámetro de la cabeza de un tornillo (10) de fijación.5. Device (1) according to claim 4, where the diameter of the disc (4) is the same as the diameter of the screw head (10) fixing. 6. Dispositivo (1) según cualquiera de las reivindicaciones 1-5, que está hecho de un material duro y rígido.6. Device (1) according to any of the claims 1-5, which is made of a material hard and rigid.
ES201000903A 2010-07-13 2010-07-13 "ANTI-LOOSE DEVICE FOR PROTESISDENTAL FIXING SCREWS.". Withdrawn - After Issue ES2348896B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES201000903A ES2348896B1 (en) 2010-07-13 2010-07-13 "ANTI-LOOSE DEVICE FOR PROTESISDENTAL FIXING SCREWS.".

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Application Number Priority Date Filing Date Title
ES201000903A ES2348896B1 (en) 2010-07-13 2010-07-13 "ANTI-LOOSE DEVICE FOR PROTESISDENTAL FIXING SCREWS.".

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ES2348896A1 true ES2348896A1 (en) 2010-12-16
ES2348896B1 ES2348896B1 (en) 2011-10-05

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ES201000903A Withdrawn - After Issue ES2348896B1 (en) 2010-07-13 2010-07-13 "ANTI-LOOSE DEVICE FOR PROTESISDENTAL FIXING SCREWS.".

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704788A (en) * 1997-02-12 1998-01-06 Milne; Robert H. Dental implant abutment screw lock
DE19850097A1 (en) * 1998-10-30 2000-05-04 Wieland Edelmetalle Method for insertion of implantable replacement teeth into the jaw bone comprises insertion of a pre-manufactured insertion element and has holding screw for preventing removal
EP1138271A1 (en) * 2000-03-31 2001-10-04 Jean-Claude Yeung Dental prosthesis
KR20080049377A (en) * 2006-11-30 2008-06-04 김형우 Implant unit using dentistry
KR20090043080A (en) * 2007-10-29 2009-05-06 김재성 Anti-screwloosening cover for implant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704788A (en) * 1997-02-12 1998-01-06 Milne; Robert H. Dental implant abutment screw lock
DE19850097A1 (en) * 1998-10-30 2000-05-04 Wieland Edelmetalle Method for insertion of implantable replacement teeth into the jaw bone comprises insertion of a pre-manufactured insertion element and has holding screw for preventing removal
EP1138271A1 (en) * 2000-03-31 2001-10-04 Jean-Claude Yeung Dental prosthesis
KR20080049377A (en) * 2006-11-30 2008-06-04 김형우 Implant unit using dentistry
KR20090043080A (en) * 2007-10-29 2009-05-06 김재성 Anti-screwloosening cover for implant

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Resumen [en línea] recuperado de WPI/Thompson . & KR 20080049377 A (KIM HYUNG WOO) 04-06-2008, figuras *
Resumen [en línea] recuperado de WPI/Thompson . & KR 20090043080 A (KIM JAE SUNG) 06-05-2009,figuras *
Resumen [en línea] recuperado de WPI/Thompson y figuras . & DE 19850097 A1 (WIELAND EDELMETALLE) 04-05-2000, figuras *

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