ES2351563A1 - Improvements in the patent p200800991 by system for the practice of osteotomy. (Machine-translation by Google Translate, not legally binding) - Google Patents
Improvements in the patent p200800991 by system for the practice of osteotomy. (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2351563A1 ES2351563A1 ES200803207A ES200803207A ES2351563A1 ES 2351563 A1 ES2351563 A1 ES 2351563A1 ES 200803207 A ES200803207 A ES 200803207A ES 200803207 A ES200803207 A ES 200803207A ES 2351563 A1 ES2351563 A1 ES 2351563A1
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- ES
- Spain
- Prior art keywords
- screw device
- screw
- piece
- blade holder
- blades
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
- A61B17/1617—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material with mobile or detachable parts
Abstract
Description
Perfeccionamientos en la patente de invención nº P 200800991 por: "Sistema para la práctica de la osteotomía"Improvements in the invention patent no. P 200800991 by: "System for the practice of osteotomy "
La presente invención se refiere a unos perfeccionamientos introducidos en la patente principal P200800991 por sistema para la práctica de la osteotomía.The present invention relates to some improvements introduced in the main patent P200800991 by system for the practice of osteotomy.
El sistema descrito en la patente de invención P200800991 comprende básicamente un dispositivo de tornillo canulado es decir, interiormente hueco, destinado a introducirse en el hueso de un paciente en la posición en la que se va a llevar a cabo la osteotomía y que presenta en su pared lateral una o más ranuras longitudinales para el paso de unas cuchillas asociadas a un cuerpo porta-cuchillas montado en el hueco interior del dispositivo de tornillo canulado con posibilidad de desplazamiento longitudinal.The system described in the invention patent P200800991 basically comprises a cannulated screw device that is, internally hollow, destined to enter the bone of a patient in the position in which the osteotomy and presenting one or more grooves on its side wall longitudinal for the passage of blades associated with a body blade holder mounted in the inner hole of the cannulated screw device with possibility of displacement longitudinal.
La cuchilla o cuchillas se encuentran montadas sobre la pieza porta-cuchillas mediante un eje de giro que permite su abatimiento entre una posición inoperante en la que las mencionadas cuchillas permanecen en el interior del tornillo canulado y una posición operativa en la que se abaten hacia el exterior, sobresaliendo por las respectivas ranuras longitudinales del tornillo canulado. En la mencionada patente la disposición de las cuchillas en la posición operativa o sobresaliente y el desplazamiento longitudinal del cuerpo porta-cuchillas se realiza por medio de un aplicador montado a rosca en el dispositivo de tornillo canulado y que actúa sobre la zona posterior de la pieza porta-cuchillas y de las cuchillas.The blade or blades are mounted on the blade holder part by means of a shaft turn that allows its dejection between an inoperative position in the that the aforementioned blades remain inside the screw cannulated and an operational position in which they pounce towards the exterior, protruding through the respective longitudinal grooves of the cannulated screw. In said patent the provision of the blades in the operating or protruding position and the longitudinal displacement of the body blade holder is made by means of an applicator threaded mounted on the cannulated screw device and acting on the back of the knife holder and of the blades.
Durante su avance longitudinal en la posición operativa cada cuchilla realiza un corte recto y guiado en el hueso.During its longitudinal advance in position operating each blade makes a straight and guided cut in the bone.
El sistema descrito en la patente principal también dispone de un elemento de resorte montado en el hueco interior del dispositivo de tornillo canulado y dispuesto por delante de la pieza porta-cuchillas, siendo dicho elemento de resorte el encargado de retornar la pieza porta-cuchillas hacia la zona posterior del dispositivo de tornillo y el abatimiento de las cuchillas hacia la posición inoperante cuando se extrae el aplicador del hueco interior del dispositivo de tornillo canulado.The system described in the main patent it also has a spring element mounted in the hole inside the cannulated screw device and arranged by in front of the knife holder, being said spring element responsible for returning the piece blade holder towards the rear of the screw device and the blasting of the blades towards the inoperative position when the applicator is removed from the inner hole of the cannulated screw device.
En la mencionada patente principal se contemplaba que tanto el hueco interior del dispositivo de tornillo canulado como el hueco porta-cuchillas presenten una sección circular.In the aforementioned main patent, contemplated that both the inner hole of the screw device cannulated as the knife holder has a circular section
En las pruebas realizadas se detectó un problema
de utilización del sistema, determinado precisamente por la
mencionada sección circular del hueco interior del tornillo canulado
y de la pieza porta-cuchillas, ya que al realizar el
montaje a rosca del aplicador sobre el dispositivo de tornillo
canulado, dicho aplicador transmite por fricción un par de giro a la
pieza porta- cuchillas pudiendo girar ésta de forma incontrolada
dentro del hueco interior del tornillo canulado, provocando una
desalineación o desfase angular entre el plano de abatimiento de las
cuchillas y las ranuras del dispositivo de tornillo, lo que
obviamente impide que las cuchillas puedan abatirse hacia el
exterior al no encontrarse enfrentadas por las ranuras, quedando el
sistema inutilizado temporal-
mente.In the tests carried out, a problem in the use of the system was detected, determined precisely by the aforementioned circular section of the inner hollow of the cannulated screw and of the knife-holder part, since when performing the screw mounting of the applicator on the cannulated screw device , said applicator frictionally transmits a torque to the blade holder, which can rotate uncontrollably inside the hollow of the cannulated screw, causing an angular misalignment or offset between the plane of blades and the grooves of the device screw, which obviously prevents the blades from bending outwards when not facing each other by the grooves, leaving the system temporarily disabled
mind.
De acuerdo con la invención y con el fin de mencionar el problema expuesto anteriormente se han introducido en el sistema de la patente principal unos perfeccionamientos orientados a garantizar el montaje de la pieza porta-cuchillas en el hueco interior del dispositivo de tornillo canulado con posibilidad de desplazamiento longitudinal pero sin posibilidad de giro, y de forma que en dicha posición de montaje el plano definido por cada una de las cuchillas se mantenga enfrentado, de forma permanente, a la ranura definida en el dispositivo de tornillo canulado para que la cuchilla pueda abatirse hacia la posición operativa sobresaliente.In accordance with the invention and in order to mention the problem outlined above have been introduced in the main patent system some refinements oriented to guarantee the assembly of the piece blade holder in the inner hole of the device cannulated screw with possibility of longitudinal displacement but without the possibility of turning, and so that in said position of assembly the plane defined by each of the blades is maintained permanently facing the groove defined in the cannulated screw device so that the blade can be folded down towards the outstanding operating position.
Para ello y de acuerdo con la invención el hueco interior del dispositivo de tornillo canulado y la pieza porta-cuchillas presentan una sección no circular y definen en las superficies laterales enfrentadas unos medios complementarios de guiado longitudinal que imposibilitan el giro de la pieza porta-cuchillas en el hueco interior del dispositivo de tornillo canulado, determinando dichos medios de guiado al menos una posición de montaje de la pieza porta-cuchillas, en la que cada una de las cuchillas se mantiene enfrentada con la respectiva ranura longitudinal del dispositivo de tornillo canulado.For this and according to the invention the gap inside the cannulated screw device and the part blade holders have a non-circular section and define on the side surfaces facing means longitudinal guidance complements that prevent the rotation of the blade holder part in the inner hollow of the cannulated screw device, determining said means of guided at least one part mounting position blade holder, in which each of the blades it is held facing the respective longitudinal groove of the cannulated screw device.
Con esta característica se consigue que la pieza porta-cuchillas pueda desplazarse longitudinalmente por el hueco interior del dispositivo de tornillo canulado, impidiendo sin embargo que pueda girar en el hueco interior debido al par de giro transmitido por la fricción del aplicador durante el montaje de dicho aplicador a rosca en el dispositivo del tornillo canulado.With this feature you get the piece blade holder can move longitudinally through the inner hollow of the cannulated screw device, preventing however that it can rotate in the inner hollow due to the torque transmitted by the friction of the applicator during the mounting said screw applicator on the screw device cannulated
En una realización de la invención los mencionados medios complementarios de guiado longitudinal definidos en el hueco interior del tornillo y en la pieza porta-cuchillas comprenden al menos sendas superficies planas y paralelas, mutuamente enfrentadas y orientadas longitudinalmente.In an embodiment of the invention the mentioned complementary longitudinal guidance means defined in the inner hole of the screw and in the piece blade holders comprise at least paths flat and parallel surfaces, mutually facing and oriented longitudinally.
Adicionalmente, y de acuerdo con la invención, el dispositivo de tornillo comprende en su extremo posterior una pieza anular, desmontable, que presenta centralmente un orificio longitudinal roscado, de menor diámetro que el hueco interior del tornillo, para el montaje a rosca del aplicador y su introducción longitudinal en el hueco interior del dispositivo de tornillo canulado.Additionally, and according to the invention, the screw device comprises at its rear end a ring piece, removable, centrally presenting a hole threaded longitudinal, of smaller diameter than the inner hollow of the screw, for screw mounting of the applicator and its introduction longitudinal in the inner hole of the screw device cannulated
La definición en la mencionada pieza anular del orificio roscado para el montaje del aplicador simplifica notablemente la fabricación del sistema teniendo en cuenta sus reducidas dimensiones.The definition in the aforementioned annular piece of threaded hole for simplifying applicator mounting notably the manufacturing of the system taking into account its small dimensions
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to facilitate the understanding of characteristics of the invention, is attached herein descriptive a set of drawings in which, for illustrative purposes and not limiting, the following has been represented:
- La figura 1 muestra una vista en alzado de un ejemplo de realización del sistema para la práctica de la osteotomía, con los perfeccionamientos de la invención, seccionado parcialmente por un plano vertical y en la que la pieza porta-cuchillas dispone de una única cuchilla, representada en posición inoperante.- Figure 1 shows an elevation view of a example of realization of the system for the practice of osteotomy, with the improvements of the invention, sectioned partially by a vertical plane and in which the piece blade holder has a single blade, represented in an inoperative position.
- La figura 2 muestra una vista análoga a la anterior, con la cuchilla en posición operativa sobresaliente.- Figure 2 shows a view similar to the anterior, with the blade in an outstanding operating position.
- La figura 3 muestra una vista en planta superior del sistema en posición operativa y seccionado por el plano vertical referenciado como A-A' en la figura 2.- Figure 3 shows a plan view system top in operational position and sectioned by plane vertical referenced as A-A 'in figure 2.
- La figura 4 muestra una vista de perfil del sistema de las figuras anteriores sin seccionar, y en la que se puede observar frontalmente la ranura de salida de la cuchilla.- Figure 4 shows a profile view of the system of the previous figures without sectioning, and in which You can observe the blade exit slot frontally.
- La figura 5 muestra una vista explosionada en alzado del sistema representado en la figura 1 con los perfeccionamientos de la invención.- Figure 5 shows an exploded view in elevation of the system represented in figure 1 with the improvements of the invention.
- La figura 6 muestra una vista en alzado de una variante de realización del sistema con los perfeccionamiento de la invención, parcialmente seccionado por un plano vertical, con dos cuchillas paralelas, representadas en posición operativa.- Figure 6 shows an elevation view of a variant of realization of the system with the improvement of the invention, partially sectioned by a vertical plane, with two parallel blades, represented in operative position.
- La figura 7 muestra una vista en planta superior del porta-cuchillas de la figura 6 con las cuchillas en posición operativa.- Figure 7 shows a plan view upper of the knife holder of figure 6 with the blades in operational position.
- La figura 8 muestra una vista en alzado del porta-cuchillas de las figuras 6 y 7, seccionada verticalmente por el plano de una de las cuchillas y con las dos cuchillas en posición inoperante.- Figure 8 shows an elevation view of the knife holder of figures 6 and 7, sectioned vertically by the plane of one of the blades and with both blades in inoperative position.
En el ejemplo de realización mostrado en las figuras adjuntas el sistema para la práctica de la osteotomía comprende: -un dispositivo de tornillo (1) canulado, -una pieza (3) porta-cuchillas, portadora de una única cuchilla (2) en las figuras 1 a 5, y de dos cuchillas (2, 2') paralelas y contrapuestas, en las figuras 6 a 8, -un aplicador o actuador (5) y, -un resorte (6).In the exemplary embodiment shown in the attached figures the system for osteotomy practice comprises: -an cannulated screw device (1), -one piece (3) blade holder, carrier of a single blade (2) in figures 1 to 5, and two parallel blades (2, 2 ') and opposed, in figures 6 to 8, - an applicator or actuator (5) and, -a spring (6).
El dispositivo de tornillo (1) presenta: un filete de rosca (11) exterior para su introducción en el hueso a tratar, un hueco interior (12) para el montaje de un elemento de resorte (6) y de la pieza (3) porta-cuchillas con posibilidad de desplazamiento longitudinal, una ranura longitudinal (13, 13') para cada una de las cuchillas (2, 2') de la pieza (3) porta-cuchillas, y una boca posterior (14) roscada sobre la que se encuentra montada una pieza anular (4), desmontable, que presenta un orificio roscado (41) de menor diámetro que el hueco interior (12) del tornillo, para el montaje a rosca del aplicador (5) y su introducción, en mayor o menor medida, en el hueco interior del dispositivo de tornillo (1) canulado.The screw device (1) has: a external thread steak (11) for introduction into the bone treat, an inner hole (12) for mounting an element of spring (6) and part (3) blade holder with possibility of longitudinal displacement, a longitudinal groove (13, 13 ') for each of the blades (2, 2') of the piece (3) blade holder, and a threaded back (14) on which a removable ring piece (4) is mounted, which has a threaded hole (41) of smaller diameter than the hole inside (12) of the screw, for screw mounting of the applicator (5) and its introduction, to a greater or lesser extent, in the inner hollow of the cannulated screw device (1).
Como se puede observar con mayor claridad en la figura 3, la pieza (3) porta-cuchillas y el hueco interior (12) presentan una sección no circular y definen en las superficies laterales enfrentadas unos medios complementarios de guiado longitudinal (31, 15), representados por sendas superficies planas y paralelas, mutuamente enfrentadas y orientadas longitudinalmente, que permiten el desplazamiento longitudinal de la pieza porta-cuchillas por el hueco interior (12), pero que impiden su giro dentro del mencionado hueco interior (12).As can be seen more clearly in the Figure 3, the blade holder part (3) and the hole interior (12) have a non-circular section and define in the side surfaces facing complementary means of longitudinal guidance (31, 15), represented by two surfaces flat and parallel, mutually facing and oriented longitudinally, which allow the longitudinal displacement of the blade holder part through the inner hole (12), but that prevent its rotation inside the mentioned inner hollow (12).
Las mencionadas superficies planas (31, 15) se encuentran orientadas de forma que el montaje de la pieza (3) solo se puede realizar en una determinada posición angular, en la que cada cuchilla (2, 2') queda enfrentada con la respectiva ranura longitudinal (13, 13').The mentioned flat surfaces (31, 15) are they are oriented so that the assembly of the piece (3) only it can be done in a certain angular position, in which each blade (2, 2 ') is faced with the respective groove longitudinal (13, 13 ').
Cada cuchilla (2, 2') se encuentra montada en la pieza porta-cuchillas por medio de un eje (21, 21') de abatimiento que permite su giro entre una posición inoperante, representada en las figuras 1 y 7, y una posición operativa, visible en las figuras 2 y 6, en la que sobresalen lateralmente del dispositivo de tornillo (1) a través de la correspondiente ranura (13, 13').Each blade (2, 2 ') is mounted on the blade holder part by means of a shaft (21, 21 ') dejection that allows its rotation between an inoperative position, represented in figures 1 and 7, and an operational position, visible in figures 2 and 6, in which they protrude laterally from the screw device (1) through the corresponding slot (13, 13 ').
Cada cuchilla (2, 2')presenta un talón (22, 22') que sobresale por el extremo posterior de la pieza (3) porta-cuchillas, con una cierta inclinación, cuando dichas cuchillas (2, 2')se encuentran en la posición inoperante.Each blade (2, 2 ') has a heel (22, 22') protruding from the rear end of the piece (3) blade holder, with a certain inclination, when said blades (2, 2 ') are in the inoperative position.
A su vez el aplicador (5), roscado exteriormente, se encuentra montado en el orificio roscado (41) de la pieza anular (4), introduciéndose dicho aplicador en mayor o menor medida en el hueco interior (12) del dispositivo de tornillo (1).Turn the applicator (5), threaded externally, it is mounted in the threaded hole (41) of the annular piece (4), said applicator being introduced in greater or smaller measure in the inner recess (12) of the screw device (one).
Como se observa en las figuras 1 y 2, cuando el aplicador comienza a introducirse, por roscado, en el hueco interior (12) del dispositivo de tornillo (1), actúa inicialmente contra el talón (22) de la cuchilla (2) provocando su abatimiento sobre el eje (21) hacia una posición operativa, representada en las figuras 2 y 3, en; la que la cuchilla sobresale a través de la ranura (13).As seen in figures 1 and 2, when the applicator begins to be introduced, by threading, into the inner hollow (12) of the screw device (1), initially acts against the heel (22) of the blade (2) causing its abatement on the shaft (21) towards an operative position, represented in figures 2 and 3, in; which the blade protrudes through the groove (13).
A medida que el aplicador (5) se va introduciendo en mayor medida en el hueco interior (12)provoca el avance longitudinal de la pieza (3) porta-cuchillas, manteniéndose la cuchilla en la posición operativa para realizar un corte recto en el hueso del paciente.As the applicator (5) leaves introducing more in the inner hollow (12) causes the longitudinal advance of the piece (3) blade holder, keeping the blade in the operative position to make a straight cut in the bone of the patient.
Esta operativa se lleva a cabo de igual forma cuando la pieza (3) porta-cuchillas dispone de dos cuchillas (13, 13') tal como se puede observar en la figura 6.This operation is carried out in the same way when the blade holder part (3) has two blades (13, 13 ') as can be seen in figure 6.
El elemento de resorte (6) montado en el hueco interior, por delante de la pieza (3) porta-cuchillas, es el encargado de provocar el retroceso de dicha pieza (3) porta-cuchillas a medida que se va extrayendo el aplicador (5) del hueco interior del dispositivo de tornillo.The spring element (6) mounted in the recess inside, in front of the piece (3) blade holder, is responsible for causing the recoil of said part (3) knife holder a as the applicator (5) is removed from the inner hollow of the screw device
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación.Once nature is sufficiently described of the invention, as well as a preferred embodiment, for the appropriate purposes that the materials, form, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential features of the invention claimed in continuation.
Claims (3)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200803207A ES2351563B1 (en) | 2008-11-04 | 2008-11-04 | IMPROVEMENTS IN PATENT P200800991 PER SYSTEM FOR THE PRACTICE OF OSTEOTOMY. |
| US12/416,964 US20090254092A1 (en) | 2008-04-03 | 2009-04-02 | Cutting apparatus for performing osteotomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200803207A ES2351563B1 (en) | 2008-11-04 | 2008-11-04 | IMPROVEMENTS IN PATENT P200800991 PER SYSTEM FOR THE PRACTICE OF OSTEOTOMY. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2351563A1 true ES2351563A1 (en) | 2011-02-08 |
| ES2351563B1 ES2351563B1 (en) | 2011-12-30 |
Family
ID=43499843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200803207A Expired - Fee Related ES2351563B1 (en) | 2008-04-03 | 2008-11-04 | IMPROVEMENTS IN PATENT P200800991 PER SYSTEM FOR THE PRACTICE OF OSTEOTOMY. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2351563B1 (en) |
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| WO2014174521A1 (en) * | 2013-04-24 | 2014-10-30 | T.A.G. Medical Devices - Agriculture Cooperative Ltd. | Bone material removal devices |
| US10448959B2 (en) | 2015-04-09 | 2019-10-22 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Bone material removal device and a method for use thereof |
| US10537340B2 (en) | 2014-10-19 | 2020-01-21 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Kit including a guiding system and a bone material removal device |
| US10660657B2 (en) | 2016-02-11 | 2020-05-26 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Bone material removal device and a method for use thereof |
| US11020132B2 (en) | 2016-04-24 | 2021-06-01 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Guiding device and method of using thereof |
| US11202641B2 (en) | 2018-08-01 | 2021-12-21 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Adjustable drilling device and a method for use thereof |
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| WO2014174521A1 (en) * | 2013-04-24 | 2014-10-30 | T.A.G. Medical Devices - Agriculture Cooperative Ltd. | Bone material removal devices |
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| US10448959B2 (en) | 2015-04-09 | 2019-10-22 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Bone material removal device and a method for use thereof |
| US11779353B2 (en) | 2015-04-09 | 2023-10-10 | T.A.G. Medical Products Corporation Ltd. | Bone material removal device and a method for use thereof |
| US11446042B2 (en) | 2016-02-11 | 2022-09-20 | T.A.G. Medical Products Corporation Ltd. | Bone material removal device and a method for use thereof |
| US10660657B2 (en) | 2016-02-11 | 2020-05-26 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Bone material removal device and a method for use thereof |
| US11020132B2 (en) | 2016-04-24 | 2021-06-01 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Guiding device and method of using thereof |
| US11202641B2 (en) | 2018-08-01 | 2021-12-21 | T.A.G. Medical Devices—Agriculture Cooperative Ltd. | Adjustable drilling device and a method for use thereof |
| US11690635B2 (en) | 2018-08-01 | 2023-07-04 | T.A.G. Medical Products Corporation Ltd. | Adjustable drilling device and a method for use thereof |
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| ES2351563B1 (en) | 2011-12-30 |
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