ES1186558U - Tip for pencil marker in linfogammagraf¿a (Machine-translation by Google Translate, not legally binding) - Google Patents
Tip for pencil marker in linfogammagraf¿a (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES1186558U ES1186558U ES201730710U ES201730710U ES1186558U ES 1186558 U ES1186558 U ES 1186558U ES 201730710 U ES201730710 U ES 201730710U ES 201730710 U ES201730710 U ES 201730710U ES 1186558 U ES1186558 U ES 1186558U
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- 239000003550 marker Substances 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 239000012857 radioactive material Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000011271 lymphoscintigraphy Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000010422 painting Methods 0.000 description 5
- 206010006187 Breast cancer Diseases 0.000 description 3
- 208000026310 Breast neoplasm Diseases 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000001574 biopsy Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000009161 Espostoa lanata Nutrition 0.000 description 1
- 240000001624 Espostoa lanata Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 210000001165 lymph node Anatomy 0.000 description 1
- 230000001926 lymphatic effect Effects 0.000 description 1
- 210000004324 lymphatic system Anatomy 0.000 description 1
- 210000001365 lymphatic vessel Anatomy 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229940071643 prefilled syringe Drugs 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 210000005005 sentinel lymph node Anatomy 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
Description
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DESCRIPCIONDESCRIPTION
PUNTA PARA LAPIZ MARCADOR EN LINFOGAMMAGRAFIA OBJETO DE LA INVENCIONPOINT FOR PENCIL MARKER IN LYMPOGAMMAGRAPHY OBJECT OF THE INVENTION
La presente invention pertenece en general al campo de la medicina, y mas particularmente los elementos empleados en medicina nuclear para un procedimiento de extirpation del ganglio centinela en una linfogammagrafla.The present invention belongs in general to the field of medicine, and more particularly the elements used in nuclear medicine for a procedure of removal of the sentinel node in a lymphogammagraph.
Un objeto de la presente invencion es una punta para un lapiz marcador que permite marcar la piel del paciente y que ademas presenta un compartimiento para un material radiactivo que permite seguir su position a traves de la imagen obtenida a traves de una gammacamara.An object of the present invention is a tip for a marker pencil that allows marking the patient's skin and also presents a compartment for a radioactive material that allows to follow its position through the image obtained through a gamma camera.
ANTECEDENTES DE LA INVENCIONBACKGROUND OF THE INVENTION
La biopsia del ganglio centinela es una tecnica quirurgica que se realiza a pacientes con cancer, fundamentalmente de mama, y que permite obtener informacion precisa de los ganglios linfaticos. La tecnica del ganglio centinela se basa en la inyeccion de una sustancia indicadora, marcada con un isotopo radiactivo, en una zona proxima al tumor de mama. El producto administrado circula por los vasos linfaticos hasta depositarse en el primer ganglio que recibe el flujo del tumor, denominado ganglio centinela. A traves de las imagenes obtenidas mediante una gammacamara, se determina la posicion del ganglio centinela y se realiza una correspondiente marca en la piel del paciente. A continuation, se procede a extirpar el ganglio centinela para la posterior realization de una biopsia. Si el tumor de mama se ha extendido por el sistema linfatico, el ganglio centinela sera el primero afectado, de forma que gracias a la biopsia es posible diagnosticar si hay o no afectacion linfatica, y por tanto es de vital importancia para el estadiaje y pronostico de la tumoracion.Sentinel lymph node biopsy is a surgical technique that is performed on patients with cancer, mainly breast cancer, and that allows accurate information on the lymph nodes. The sentinel node technique is based on the injection of an indicator substance, marked with a radioactive isotope, in an area close to the breast tumor. The administered product circulates through the lymphatic vessels until it is deposited in the first node that receives the flow of the tumor, called the sentinel node. Through the images obtained by a gamma camera, the position of the sentinel node is determined and a corresponding mark is made on the patient's skin. Next, the sentinel node is removed for subsequent biopsy. If the breast tumor has spread through the lymphatic system, the sentinel node will be the first affected, so that thanks to the biopsy it is possible to diagnose whether or not there is lymphatic involvement, and therefore it is vital for staging and prognosis of the tumor.
El procedimiento actual de localization y marcado del ganglio centinela en la piel del paciente presenta diversos inconvenientes que tienen un importante impacto tanto en la precision de la localizacion de la marca como en la comodidad del procedimiento por parte del personal medico. En efecto, durante el procedimiento la paciente esta normalmente tumbada boca arriba y parcialmente introducida en la gammacamara, con la superficieThe current procedure of localization and marking of the sentinel node in the patient's skin has several drawbacks that have an important impact both on the precision of the location of the brand and on the comfort of the procedure by the medical staff. In fact, during the procedure the patient is normally lying on her back and partially inserted into the gamma camera, with the surface
inferior del colimador muy cercana a su pecho. En esa posicion, el profesional medico puedeCollimator bottom very close to your chest. In that position, the medical professional can
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ver la posicion del ganglio centinela a traves de la pantalla de la gammacamara. Sin embargo, no es posible marcar su posicion sobre la piel del paciente simplemente con un rotulador, ya que tanto la mano como el rotulador son invisibles en la imagen proporcionada por la gammacamara.See the position of the sentinel node through the gamma camera screen. However, it is not possible to mark your position on the patient's skin simply with a marker, since both the hand and the marker are invisible in the image provided by the gamma camera.
Para poder ver en la pantalla de la gammacamara la posicion sobre la piel del paciente sobre la que se realiza la marca, es necesario utilizar no solo un rotulador o marcador para dibujar sobre la piel, sino tambien algun elemento radiactivo visible mediante la imagen de la gammacamara. Normalmente, el profesional medico utiliza simultaneamente un rotulador y una jeringa precargada en su punta con un algodon impregnado en un radioisotopo. Asl, el profesional medico debe coger el rotulador con una mano y la jeringa con la otra, desplazando ambas simultaneamente sobre la piel del paciente hasta ubicar la punta de ambas en la posicion adecuada gracias a las imagenes proporcionadas por la gammacamara, en la que la punta de la jeringa es visible. Una vez localizada la posicion, debe utilizar el rotulador para realizar una marca sobre la piel del paciente.To be able to see on the gamma camera screen the position on the patient's skin on which the mark is made, it is necessary to use not only a marker or marker to draw on the skin, but also some radioactive element visible through the image of the gamma camera Normally, the medical professional simultaneously uses a marker and a pre-filled syringe at its tip with a cotton ball impregnated in a radioisotope. Thus, the medical professional must take the marker with one hand and the syringe with the other, moving both simultaneously on the patient's skin until the tip of both is located in the appropriate position thanks to the images provided by the gamma camera, in which the Syringe tip is visible. Once the position is located, you must use the marker to make a mark on the patient's skin.
Es facil apreciar que se trata de un procedimiento engorroso y poco preciso. Mas aun teniendo en cuenta que el espacio entre el colimador de la gammacamara y la paciente es estrecho y esta en un lugar de la gammacamara que puede ser poco accesible. Incluso, en ocasiones es necesario que el profesional medico deba cambiar de mano el rotulador y la jeringa para poder encontrar y marcar el punto. La falta de precision en el marcado implica que la incision para la extirpation del ganglio centinela no se realice en el lugar exacto donde se encuentra este.It is easy to appreciate that it is a cumbersome and inaccurate procedure. Moreover, taking into account that the space between the gamma camera collimator and the patient is narrow and is in a place in the gamma camera that may be poorly accessible. Even, sometimes it is necessary for the medical professional to change the pen and syringe in order to find and mark the point. The lack of precision in the marking implies that the incision for the removal of the sentinel node is not made in the exact place where it is located.
DESCRIPCION DE LA INVENCIONDESCRIPTION OF THE INVENTION
La presente invention permite solucionar los problemas anteriores gracias a una nueva punta para linfogammagrafla disenada acoplarse a un lapiz marcador para marcar con tinta visible la piel del paciente y que ademas tiene una cavidad configurada para alojar un material radiactivo. El material radiactivo de esta nueva punta permite seguir su posicion comodamente a traves de la imagen de la gammacamara y, una vez ubicada sobre la posicion del ganglio centinela, un medio de marcado convencional mediante tinta visible presente en el lapiz permite realizar una marca en la piel del paciente en la posicion exacta deseada. Se evitan de este modo los inconvenientes mencionados anteriormente, ya que el profesional medico unicamente debe manejar un unico elemento.The present invention allows solving the above problems thanks to a new designed lymphogammagraph tip coupled to a marker pen to mark the patient's skin with visible ink and which also has a cavity configured to accommodate a radioactive material. The radioactive material of this new tip allows you to follow your position comfortably through the image of the gamma camera and, once located on the position of the sentinel node, a conventional means of marking by visible ink present in the pencil allows you to make a mark on the patient's skin in the exact position desired. The above-mentioned inconveniences are avoided in this way, since the medical professional must only handle a single element.
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En este documento, el termino “lapiz” hace referenda a cualquier tipo de elemento adecuado para pintar, escribir, dibujar, o de manera general que permita realizar una marca visible sobre la piel de un paciente. Puede tratarse de un lapiz propiamente dicho, aunque mas preferentemente se tratara de un rotulador, bollgrafo, o cualquier otro elemento que permita realizar marcas con tinta de tipo fluido, por ejemplo llquida. Un lapiz marcador de este tipo normalmente aloja un “medio de marcado”, que puede asimilarse en este documento a un deposito de tinta llquida o una mina de grafito u otro material solido capaz de realizar marcas sobre la piel de un paciente. Este medio de marcado tiene una forma normalmente esencialmente cillndrica y delgada, y se encuentra alojado en el interior de un cuerpo del lapiz normalmente tambien cillndrico o similar.In this document, the term "pencil" refers to any type of element suitable for painting, writing, drawing, or in a general manner that allows a visible mark to be made on the skin of a patient. It can be a pencil itself, although more preferably it is a marker, pen, or any other element that allows markings with fluid ink, for example liquid. A marker pencil of this type normally houses a "marking medium", which can be assimilated in this document to a liquid ink tank or a graphite mine or other solid material capable of marking on a patient's skin. This marking means has a normally essentially cylindrical and thin shape, and is housed inside a normally cylindrical pencil body or the like.
En este documento, el “extremo distal’ de cualquiera de los elementos descritos se refiere a aquel extremo que, cuando el elemento en cuestion esta montado en el lapiz marcador, esta mas cerca del extremo de dicho lapiz disenado para pintar. Inversamente, el “extremo proximal’ de cualquiera de los elementos descritos se refiere a aquel extremo que, cuando el elemento en cuestion esta montado en el lapiz marcador, esta mas lejos del extremo del lapiz disenado para pintar.In this document, the "distal end" of any of the elements described refers to that end which, when the element in question is mounted on the marker pencil, is closer to the end of said pencil designed for painting. Conversely, the "proximal end" of any of the elements described refers to that end which, when the element in question is mounted on the marker pencil, is farther from the end of the pencil designed for painting.
La invencion describe una punta para lapiz marcador en linfogammagrafla que fundamentalmente comprende los siguientes elementos:The invention describes a tip for a marker pencil in lymphogammagraph that basically comprises the following elements:
a) Un medio de acoplamientoa) A coupling means
Se trata de un medio de acoplamiento con un extremo distal del lapiz marcador. En principio, puede tratarse de un medio de acoplamiento de cualquier tipo siempre que sea de tipo separable, es decir, que permita tanto acoplar como desacoplar la punta de la invencion del extremo distal del lapiz marcador. Esto es importante ya que, como se describira con mayor detalle mas adelante, la punta debe poder separarse del cuerpo del lapiz para desecharla una vez utilizada.It is a coupling means with a distal end of the marker pencil. In principle, it can be a coupling means of any type provided it is of the separable type, that is to say, which allows both coupling and uncoupling the tip of the invention from the distal end of the marker pencil. This is important since, as will be described in more detail below, the tip should be able to be separated from the body of the pencil to be discarded once used.
El acoplamiento entre la punta de la invencion y el extremo distal del cuerpo del lapiz puede implementarse de cualquier modo conocido en la tecnica, por ejemplo a traves de un mecanismo a presion o mediante rosca.The coupling between the tip of the invention and the distal end of the pencil body can be implemented in any way known in the art, for example through a pressurized mechanism or by means of a thread.
b) Un compartimientob) A compartment
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El compartimiento estanco permitira alojar un material radiactivo. Asl, un profesional medico podra seguir la posicion de la punta de la presente invention a traves de las imagenes de una gammacamara. Ademas, el compartimiento comprende un conducto pasante para el paso del medio de marcado. De ese modo, el medio de marcado tendra el extremo que pinta en un lugar lo mas cercano posible al compartimiento, y por tanto tambien al material radiactivo que permitira seguir su posicion. Se consigue asl la maxima precision en el marcado de la posicion del ganglio centinela.The watertight compartment will accommodate a radioactive material. Thus, a medical professional will be able to follow the position of the tip of the present invention through the images of a gamma camera. In addition, the compartment comprises a through conduit for the passage of the marking means. In this way, the marking means will have the end that paints in a place as close as possible to the compartment, and therefore also to the radioactive material that will allow it to follow its position. The maximum precision in marking the position of the sentinel node is thus achieved.
El funcionamiento de este nuevo dispositivo serla fundamentalmente el siguiente. En primer lugar, se introduce un material radiactivo visible a traves de una gammacamara en el compartimiento estanco. Una vez el compartimiento se ha cerrado perfectamente, se acopla la punta de la invencion al extremo distal del lapiz. Durante el acoplamiento, el medio de marcado se introduce a traves del conducto pasante del compartimiento, de manera que el extremo distal del medio de marcado, es decir, el extremo que pinta, sobresale a traves del extremo distal de la punta de la invencion. Una vez la punta se ha acoplado al extremo distal del cuerpo del lapiz, este queda listo para su uso. Un profesional medico puede, utilizando unicamente una mano que sujeta este lapiz, desplazar la punta sobre la piel del paciente y bajo la gammacamara. Puesto que el compartimiento de la punta contiene un material radiactivo, esta sera visible a traves de la imagen de la gammacamara. El profesional medico puede entonces colocar la punta sobre la piel del paciente exactamente en la posicion deseada donde se encuentra el ganglio centinela. Una vez la punta esta ubicada en dicha posicion deseada, el profesional medico puede usar el medio de marcado para realizar una marca visible sobre la piel del paciente que indica la posicion en la que se debe realizar la incision. Puesto que este medio de marcado atraviesa el conducto pasante y sobresale por el extremo distal de la punta, se encuentra muy cerca del material radiactivo alojado en el compartimiento, y por tanto la marca visible se realiza exactamente en el punto deseado visible unicamente a traves de la gammacamara. Este dispositivo permite mejorar enormemente la precision en cuanto a la ubicacion de la marca sobre la piel del paciente, y ademas el procedimiento se realiza de una manera mucho mas sencilla.The operation of this new device would be essentially the following. First, a visible radioactive material is introduced through a gamma camera into the waterproof compartment. Once the compartment has closed perfectly, the tip of the invention is attached to the distal end of the pencil. During the coupling, the marking means is introduced through the through passage of the compartment, so that the distal end of the marking means, that is, the painting end, protrudes through the distal end of the tip of the invention. Once the tip has been attached to the distal end of the pencil body, it is ready for use. A medical professional can, using only one hand holding this pencil, move the tip on the patient's skin and under the gamma camera. Since the tip compartment contains a radioactive material, it will be visible through the image of the gamma camera. The medical professional can then place the tip on the patient's skin exactly in the desired position where the sentinel node is located. Once the tip is located in said desired position, the medical professional can use the marking means to make a visible mark on the patient's skin that indicates the position in which the incision should be made. Since this marking means passes through the through conduit and protrudes through the distal end of the tip, it is very close to the radioactive material housed in the compartment, and therefore the visible mark is made exactly at the desired point visible only through The gamma camera. This device allows to greatly improve the accuracy in terms of the location of the brand on the patient's skin, and also the procedure is performed in a much simpler way.
Esta novedosa punta puede implementarse de diversos modos siempre que incluya los elementos anteriormente descritos: medio de acoplamiento con el lapiz y compartimiento para alojar el material radiactivo. Por ejemplo, en una realization particularmente preferida de la invencion, la punta esta configurada de manera que comprende un cuerpo principalThis novel tip can be implemented in various ways as long as it includes the elements described above: coupling medium with the pencil and compartment to house the radioactive material. For example, in a particularly preferred embodiment of the invention, the tip is configured so that it comprises a main body
conectable a un cuerpo secundario, donde el cuerpo principal comprende el compartimientoconnectable to a secondary body, where the main body comprises the compartment
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y el cuerpo secundario comprende el medio de acoplamiento. La conexion entre el cuerpo principal y el cuerpo secundario podrla realizarse de cualquier modo conocido en la tecnica siempre que permita mantener la estanqueidad del compartimiento. Por ejemplo, podrla realizarse a traves de un mecanismo a presion o de rosca.and the secondary body comprises the coupling means. The connection between the main body and the secondary body could be carried out in any way known in the art provided it allows to maintain the tightness of the compartment. For example, it could be done through a pressurized or threaded mechanism.
Como se ha comentado, el compartimiento debera ser estanco para evitar la contamination con material radiactivo. Ademas, el compartimiento debe tener un orificio o abertura a traves del cual introducir el material radiactivo en su interior. Para cerrar este orificio, puede utilizarse una tapa, tapon, o cualquier otro elemento similar capaz de cerrarlo de manera estanca y segura. Por ejemplo, en otra realization preferida de la invention, el cuerpo secundario constituye la tapa para el orificio del compartimiento del cuerpo principal. Se consigue as! llevar a cabo dos funciones (cierre del compartimiento y conexion de la punta con el lapiz) con un unico elemento (cuerpo secundario).As mentioned, the compartment should be tight to avoid contamination with radioactive material. In addition, the compartment must have a hole or opening through which to introduce the radioactive material inside. To close this hole, a lid, plug, or any other similar element capable of closing it in a sealed and safe manner can be used. For example, in another preferred embodiment of the invention, the secondary body constitutes the cover for the orifice of the main body compartment. It gets like this! carry out two functions (closing the compartment and connecting the tip with the pencil) with a single element (secondary body).
En una realizacion particularmente preferida de la invencion, el cuerpo principal tiene una forma esencialmente conica. Se trata de una forma similar a la que tiene la punta de casi todos los lapices conocidos en la tecnica. En este caso, el alojamiento tendrla tambien una forma esencialmente conica, aunque con un conducto cillndrico que lo atravesarla a lo largo del eje del cono.In a particularly preferred embodiment of the invention, the main body has an essentially conical shape. It is similar to the tip of almost all the pencils known in the art. In this case, the housing will also have an essentially conical shape, although with a cylindrical duct that will cross it along the axis of the cone.
Con relation al cuerpo secundario, este tendra una forma complementaria con la forma del extremo distal del cuerpo del lapiz al cual se debe acoplar. En otra realizacion preferida de la invencion, el cuerpo secundario tendra una forma esencialmente cillndrica con un conducto pasante para el medio de marcado. De este modo, el medio de marcado pasa primero a traves del cuerpo secundario antes de alcanzar el orificio pasante del cuerpo principal.In relation to the secondary body, it will have a complementary shape with the shape of the distal end of the body of the pencil to which it must be attached. In another preferred embodiment of the invention, the secondary body will have an essentially cylindrical shape with a through conduit for the marking means. In this way, the marking means first passes through the secondary body before reaching the through hole of the main body.
El acoplamiento del cuerpo secundario con el lapiz se puede llevar a cabo de cualquier modo conocido en la tecnica, aunque preferentemente el medio de acoplamiento del cuerpo secundario comprende una rosca macho para la union con una rosca hembra de un extremo distal del lapiz marcador.The coupling of the secondary body with the pencil can be carried out in any way known in the art, although preferably the coupling means of the secondary body comprises a male thread for joining with a female thread of a distal end of the marker pencil.
La punta de la presente invencion sera preferentemente fungible, es decir, esta pensada para ser desechada una vez utilizada. Por ejemplo, puede estar hecha de un material plastico o similar.The tip of the present invention will preferably be fungible, that is, it is intended to be discarded once used. For example, it can be made of a plastic or similar material.
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BREVE DESCRIPCION DE LAS FIGURASBRIEF DESCRIPTION OF THE FIGURES
La Fig. 1 muestra una vista de un ejemplo de punta de acuerdo con la presente invencion.Fig. 1 shows a view of an example tip according to the present invention.
La Fig. 2 muestra un ejemplo de punta donde el cuerpo principal y el cuerpo secundario estan desacoplados.Fig. 2 shows an example of a tip where the main body and the secondary body are uncoupled.
La Fig. 3 muestra un ejemplo de lapiz dotado de una punta segun la invencion. REALIZACION PREFERENTE DE LA INVENCIONFig. 3 shows an example of a pencil provided with a tip according to the invention. PREFERRED EMBODIMENT OF THE INVENTION
Se describe a continuation un ejemplo particular de la invencion haciendo referencia a las figuras adjuntas. Concretamente, las Figs. 1 y 2 muestran una punta (1) para lapiz (100) marcador en linfogammagrafla de acuerdo con la presente invencion en estado respectivamente montado y desmontado donde se aprecian las diferentes partes que lo componen, concretamente un cuerpo principal (3) y un cuerpo secundario (2).A particular example of the invention is described below with reference to the attached figures. Specifically, Figs. 1 and 2 show a tip (1) for pencil (100) marker in lymphogammagraph according to the present invention in a respectively assembled and disassembled state where the different parts that compose it are appreciated, specifically a main body (3) and a secondary body (2).
El cuerpo principal (3) es una pieza de forma esencialmente conica que tiene un compartimiento (30) interior dotado de un conducto interior (31) pasante que lo atraviesa a lo largo de su eje longitudinal. Es decir, el conducto interior (31) atraviesa el compartimiento (30) completamente a lo largo de su eje principal, de manera que un medio (200) de marcado, como por ejemplo un deposito de tinta cillndrico del tipo utilizado convencionalmente en los marcadores actualmente conocidos, puede atravesar el cuerpo principal desde el extremo proximal del cuerpo principal (3), es decir, el lado mas ancho del cono, hasta el extremo distal del cuerpo principal (3), es decir, el lado mas estrecho del cono. De ese modo, un extremo distal del medio (200) de marcado sobresale por el extremo distal del cuerpo principal (3), permitiendo la realization de marcas visibles en la piel del paciente. Ademas, el extremo proximal del compartimiento (30) comprende un orificio, por ejemplo esta abierto, para permitir la introduction de un material radiactivo en el compartimiento (30).The main body (3) is an essentially conical shaped piece that has an inner compartment (30) provided with a through inner duct (31) that crosses it along its longitudinal axis. That is, the inner duct (31) crosses the compartment (30) completely along its main axis, such that a marking means (200), such as a cylindrical ink tank of the type conventionally used in the markers currently known, it can pass through the main body from the proximal end of the main body (3), that is, the widest side of the cone, to the distal end of the main body (3), that is, the narrowest side of the cone. Thus, a distal end of the marking means (200) protrudes through the distal end of the main body (3), allowing the realization of visible marks on the patient's skin. In addition, the proximal end of the compartment (30) comprises a hole, for example it is open, to allow the introduction of a radioactive material into the compartment (30).
El cuerpo secundario (2) es una pieza de forma esencialmente cillndrica que tiene un conducto (21) interior pasante que lo atraviesa a lo largo de su eje longitudinal. El cuerpo secundario (2) de este ejemplo presenta tambien una rosca exterior (20) macho dimensionada para acoplarse a una rosca hembra dispuesta en el extremo distal del lapiz (100) marcador al que se acopla la punta (1) descrita.The secondary body (2) is an essentially cylindrical shaped part that has a through inner passage (21) that crosses it along its longitudinal axis. The secondary body (2) of this example also has a male external thread (20) sized to engage a female thread arranged at the distal end of the marker pencil (100) to which the described tip (1) is attached.
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Las figuras no muestran el modo en que se lleva a cabo el acoplamiento entre el cuerpo secundario (2) y el cuerpo principal (3). Como se ha comentado con anterioridad en este documento, este acoplamiento puede realizarse de cualquier modo adecuado siempre que evite la salida del material radiactivo del interior del compartimiento (30). Por ejemplo, podrla 5 utilizarse un acoplamiento a presion, acoplamiento a rosca, acoplamiento mediante adhesivos, etc.The figures do not show how the coupling between the secondary body (2) and the main body (3) is carried out. As mentioned earlier in this document, this coupling can be carried out in any suitable way as long as it prevents the release of radioactive material from inside the compartment (30). For example, a pressure coupling, screw coupling, adhesive coupling, etc. could be used.
La Fig. 3 muestra un lapiz (100) al que se ha acoplado una punta (1) segun la presente invencion. Por motivos de claridad, esta figura ilustra tambien lo que se entiende por lado o 10 extremo distal (ED) y lado o extremo proximal (EP). A continuacion, se describe el proceso para fijar una punta (1) a un lapiz (100) marcador. En primer lugar, con el cuerpo principal (3) separado del cuerpo secundario (2), se introduce un material radiactivo en el interior el compartimiento (30) a traves de su extremo proximal abierto. A continuacion, se conecta firmemente el cuerpo secundario (2) al cuerpo principal (3), tapandose asl el compartimiento 15 (30) del cuerpo principal (3) de una manera segura y estanca. Una vez la punta (1) de laFig. 3 shows a pencil (100) to which a tip (1) according to the present invention has been attached. For reasons of clarity, this figure also illustrates what is meant by side or distal end (ED) and proximal side or end (EP). Next, the process for fixing a tip (1) to a pencil (100) marker is described. First, with the main body (3) separated from the secondary body (2), a radioactive material is introduced into the compartment (30) through its open proximal end. Next, the secondary body (2) is firmly connected to the main body (3), thus covering the compartment 15 (30) of the main body (3) in a safe and tight manner. Once the tip (1) of the
invencion esta asl montada, como se muestra en la Fig. 1, se procede a acoplarla al lapiz (100). Para ello, se rosca el cuerpo secundario (2) en el extremo distal del lapiz (1). Al hacerlo, se asegura que el medio (200) de marcado del lapiz (100), es decir, el deposito de tinta de forma cillndrica, atraviese completamente el conducto (21) y el conducto (31), que 20 estan alineados cuando el lapiz (1) esta montado, de manera que su extremo distal sobresalga por el extremo distal de la punta (1). Ello permite dibujar, marcar o pintar con el medio (200) de marcado.This invention is assembled, as shown in Fig. 1, it is coupled to the pencil (100). To do this, the secondary body (2) is threaded at the distal end of the pencil (1). In doing so, it is ensured that the marking means (200) of the pencil (100), that is, the cylindrical ink tank, completely crosses the conduit (21) and the conduit (31), that 20 are aligned when the pencil (1) is mounted, so that its distal end protrudes through the distal end of the tip (1). This allows drawing, marking or painting with the marking means (200).
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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ES201730710U ES1186558Y (en) | 2017-06-13 | 2017-06-13 | POINT FOR PENCIL MARKER IN LYMPOGAMMAGRAPHY |
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ES201730710U ES1186558Y (en) | 2017-06-13 | 2017-06-13 | POINT FOR PENCIL MARKER IN LYMPOGAMMAGRAPHY |
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ES1186558U true ES1186558U (en) | 2017-06-30 |
ES1186558Y ES1186558Y (en) | 2017-09-21 |
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ES201730710U Expired - Fee Related ES1186558Y (en) | 2017-06-13 | 2017-06-13 | POINT FOR PENCIL MARKER IN LYMPOGAMMAGRAPHY |
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