WO2005063325A1 - Cannula for tracheotomized patients - Google Patents
Cannula for tracheotomized patients Download PDFInfo
- Publication number
- WO2005063325A1 WO2005063325A1 PCT/ES2003/000667 ES0300667W WO2005063325A1 WO 2005063325 A1 WO2005063325 A1 WO 2005063325A1 ES 0300667 W ES0300667 W ES 0300667W WO 2005063325 A1 WO2005063325 A1 WO 2005063325A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cannula
- tracheotomized
- projection
- outer portion
- tubular portion
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
Definitions
- Cannula for tracheotomized cannula for tracheotomized.
- the present invention consists of a cannula to be introduced into the
- Tracheotomized cannulas are devices that allow or
- EP 0642803 discloses a cannula in which a plate or
- EP 0691136 refers to a tracheotomy cannula in which the
- outer shield is fixed to an outer ring, to which the tapes of
- EP 0920881 also discloses a cannula with an outer tube provided
- EP 0768096 also has a cannula provided with an inner and an outer tube, but in which no internal or external fixing means are defined.
- US 5460176 also disclosed a double cannula device, a
- US 6053167 also presents a cannula with articulated outer fixation shield and inflatable inner balloon, on an outer cannula, capable of accommodating an inner one.
- the purpose of the invention is a cannula which is provided with an external fixing means and an internal fixing means, the external fixing means being an annular flange, and the internal fixing means being a projection protruding from the tube of the cannula, said fixation means being capable of being used in simple cannulas or on the outside of cannulas provided with
- Figure 1 shows a view of the cannula from the outside, according to position of use
- Figure 2 shows a front view of the same cannula from the part
- Figure 3 shows a side view of the cannula
- Figure 4 shows a section of the cannula according to the vertical plane A-
- Figure 5 shows a top view of the cannula
- Figure 6 shows a schematic view of the trachea provided with the
- the cannula has one of its ends, and the top and bottom views
- first exterior 15 which will be located outside the tracheotomized
- second interior 5 consisting of an arc-shaped tubular portion, the end of the arc being located in the lower part, in use position, the outer part being connected to the interior by means of a conduit 3.
- the outer portion preferably has a conical shape, by
- the outer portion has an inner face 7 that will rest on the stoma, and an outer one 6 that will allow the addition of additional elements, such as a setting device, filters or others.
- the contour of the outer portion is preferably provided with a perimeter flange 2, which rests on the skin li and prevents said outer portion 15 from being stuck on the stoma, or that in extreme cases it can penetrate the trachea 13.
- grooves 4 for the fixing of tapes is provided, although this characteristic is complementary to the described invention, since the fixing of this cannula is carried out by itself.
- the tubular portion that determines the part of the cannula located inside the tracheotomized disposes a certain distance from the outer portion a pop-up projection 8, sideways 10 and top 9, always in the position of
- elastic gums such as natural latex, or
- This cannula can also be used as an outer cannula for
Abstract
The invention relates to a cannula for tracheotomized patients. The inventive cannula comprises an inner tubular portion (5) and an outer truncated-cone-shaped portion (15) which is equipped with a peripheral flange. The inner tubular portion is provided with a projection (8) for fixing inside the trachea of the tracheotomized patient. The invention is suitable for the production of tracheotomy cannulas.
Description
Cánula para traqueotomizados. Cannula for tracheotomized.
Consiste la presente invención en una cánula para ser introducida en elThe present invention consists of a cannula to be introduced into the
estoma de individuos traqueotomizados que dispone de un medio de fijación questoma of tracheotomized individuals that has a means of fixation that
permite ser llevado con una mayor comodidad que las cánulas existentes hasta la fecha.It allows to be carried with greater comfort than the existing cannulas to date.
Las cánulas para traqueotomizados son dispositivos que permiten oTracheotomized cannulas are devices that allow or
facilitan la respiración a través de un estoma o perforación realizado directamente desdefacilitate breathing through a stoma or perforation performed directly from
la tráquea al exterior, de modo que se introducen en el conducto respiratorio evitandothe trachea to the outside, so that they are introduced into the respiratory duct avoiding
que se produzcan cierres accidentales o molestos, y dificultando la introducción dethat accidental or annoying closures occur, and making it difficult to introduce
partículas, gotas de sudor, etc. que generan grandes molestias para el traqueotomizado.particles, drops of sweat, etc. that generate great discomfort for the tracheotomy.
La fijación de las cánulas se ha venido realizando por medio de unasThe fixation of the cannulas has been carried out by means of
cintas de sujeción de la cánula al cuello y/o pecho de la persona portadora de la cánula.fastening tapes of the cannula to the neck and / or chest of the person carrying the cannula.
Ello supone molestias en cuanto que cualquier movimiento del cuello produce unaThis is inconvenient in that any movement of the neck produces a
fricción indeseada y con ella roces, irritaciones y llagas. Además, en las cánulas seunwanted friction and with it friction, irritation and sores. In addition, in the cannulas
produce condensación de la humedad objeto de la respiración, y las mucosas existentesit produces condensation of the humidity subject to respiration, and the existing mucous membranes
en el propio conducto respiratorio.in the respiratory tract itself.
Es deseable, por tanto, una cánula que tenga un medio de fijaciónIt is desirable, therefore, a cannula having a fixing means
exterior o escudo que impide que la cánula se desplace hacia el interior, y un medio deexterior or shield that prevents the cannula from moving inwards, and a means of
fij ación interioi , al tiempo que la cánula sea monopieza, lo que simplifica su sustitución.
Así, en US 4315505, de Shilleylnc, se divulga una cánula parainterioi fixation, while the cannula is single piece, which simplifies its replacement. Thus, in US 4315505, of Shilleylnc, a cannula is disclosed for
traqueo tomía con un tubo interior desechable, en la que se produce una fijación interiortapping taken with a disposable inner tube, in which an inner fixation occurs
dada por medio de un balón hinchable interior, que es objeto de hinchado mediante unagiven by means of an inner inflatable balloon, which is swollen by means of a
pequeña bomba que se actúa mediante opresión de los dedos en el exterior. La fijaciónSmall pump that acts by pressing the fingers outside. Fixing
exterior se realiza mediante la fijación de unas cintas unidas a unas ranuras dispuestasexterior is done by fixing tapes attached to slots arranged
en los laterales del escudo de protección de la cánula.on the sides of the cannula shield.
EP 0642803 divulga una cánula en la que se dispone una placa oEP 0642803 discloses a cannula in which a plate or
escudo provista de una pluralidad de perforaciones que facilitan la transpirabilidad,shield provided with a plurality of perforations that facilitate breathability,
amén de disponer de ranuras que tienen como obj eto la fij ación exterior de la cánula porIn addition to having grooves that have as their object the external fixation of the cannula by
medio de cintas de fijación.fixing strap medium.
EP 0691136 se refiere a una cánula para traqueotomía en la que elEP 0691136 refers to a tracheotomy cannula in which the
escudo exterior está fijado a un anillo exterior, al que pueden ir fijadas las cintas deouter shield is fixed to an outer ring, to which the tapes of
fij ación correspondientes, por lo que el contacto con la piel lo realiza únicamente dichocorresponding fixation, so that contact with the skin is done only by said
anillo y no la totalidad de la placa. Vemos que tampoco aquí se define una fijaciónring and not the entire plate. We see that a fixation is not defined here either
eficaz y que solucione los problemas antes descritos.effective and solve the problems described above.
EP 0920881 divulga también una cánula con un tubo exterior provistoEP 0920881 also discloses a cannula with an outer tube provided
de un balón hinchable, como medio de fijación interior, por medio de un dispositivoof an inflatable balloon, as a means of internal fixation, by means of a device
externo de hinchado, mientras que la parte exterior dispone una fij ación por medio de unexternal swelling, while the outer part has a fixation by means of a
pequeño escudo de, apoyo.
EP 0768096 presenta también una cánula provista de un tubo interior y otro exterior, pero en el que no se definen medios de fijación interior ni exterior.Small shield of support. EP 0768096 also has a cannula provided with an inner and an outer tube, but in which no internal or external fixing means are defined.
US 5460176 se divulga también un dispositivo de doble cánula, unaUS 5460176 also disclosed a double cannula device, a
interior y otra exterior, en el que tampoco se definen los medios de fijación exterior e interior.interior and exterior, in which the external and internal fixing means are not defined either.
US 6053167 presenta también una cánula con escudo de fijación exterior articulado y balón interior hinchable, sobre una cánula exterior, susceptible de aloj ar una interior.US 6053167 also presents a cannula with articulated outer fixation shield and inflatable inner balloon, on an outer cannula, capable of accommodating an inner one.
La invención que proponemos, tiene por objeto una cánula que está provista de un medio de fijación exterior y un medio de fijación interior, siendo el medio de fijación exterior un reborde anular, y siendo el medio de fijación interior una proyección que resalta del tubo de la cánula, siendo dicho medio de fij ación susceptible de ser utilizado en cánulas simples o en la parte exterior de cánulas provistas deThe purpose of the invention is a cannula which is provided with an external fixing means and an internal fixing means, the external fixing means being an annular flange, and the internal fixing means being a projection protruding from the tube of the cannula, said fixation means being capable of being used in simple cannulas or on the outside of cannulas provided with
conductos interior y exterior.inner and outer ducts.
Con objeto de ilustrar la explicación que va a seguir, adjuntamos a la presente memoria descriptiva tres hojas de dibujos, en las que en seis figuras se representa la esencia de la presente invención, y en las que:In order to illustrate the explanation to be followed, we attach to the present specification three sheets of drawings, in which the essence of the present invention is represented in six figures, and in which:
La figura 1 muestra una vista de la cánula desde la parte exterior,
según posición de uso,Figure 1 shows a view of the cannula from the outside, according to position of use,
La figura 2 muestra una vista frontal de la misma cánula desde la parteFigure 2 shows a front view of the same cannula from the part
interior, también según posición de uso,interior, also according to position of use,
La figura 3 muestra una vista lateral de la cánula,Figure 3 shows a side view of the cannula,
La figura 4 muestra una sección de la cánula según el plano vertical A-Figure 4 shows a section of the cannula according to the vertical plane A-
A' de la figura 5,A 'of figure 5,
La figura 5 muestra una vista superior de la cánula, yFigure 5 shows a top view of the cannula, and
La figura 6 muestra una vista esquemática de la traquea provista de laFigure 6 shows a schematic view of the trachea provided with the
cánula en posición de uso.cannula in use position.
Dado que la cánula se introduce en la traquea del paciente con suSince the cannula is inserted into the patient's trachea with its
porción tubular hacia la parte interior, y la curva en dicha parte interior hacia abajo,tubular portion towards the inner part, and the curve in said inner part downwards,
denominaremos parte interior a la porción tubular, parte exterior al ensanchamiento quewe will call the tubular part inside, the outside part to the widening that
la cánula dispone en uno de sus extremos, y las vistas superior e inferior lasthe cannula has one of its ends, and the top and bottom views
correspondientes a la posición de uso estando el paciente erguido.corresponding to the position of use while the patient is upright.
En dichas figuras observamos con 1 la cánuJapropiamerjle dicha queIn these figures we observe with 1 the cannulaJapropriatemerjle said that
presenta dos porciones, una primera exterior 15, que se situará en el exterior del
traqueotomizado, y una segunda interior 5 consistente en una porción tubular de forma arqueada, estando situado en la parte inferior el extremo del arco, en posición de uso, estando la parte exterior conectada con la interior por medio de un conducto 3.it has two portions, a first exterior 15, which will be located outside the tracheotomized, and a second interior 5 consisting of an arc-shaped tubular portion, the end of the arc being located in the lower part, in use position, the outer part being connected to the interior by means of a conduit 3.
La porción exterior presenta forma preferentemente troncocónica, porThe outer portion preferably has a conical shape, by
ser esta la forma que mejor se adapta al estoma 12, de modo que el cierre sea óptimo, pero puede también adoptar cualquier otra forma que resulte satisfactoria para el objetothis is the form that best suits stoma 12, so that the closure is optimal, but it can also take any other form that is satisfactory for the object
pretendido.alleged.
La porción exterior presenta una cara interior 7 que apoyará sobre el estoma, y otra exterior 6 que permitirá la adición de elementos adicionales, tales como un dispositivo fonador, filtros u otros.The outer portion has an inner face 7 that will rest on the stoma, and an outer one 6 that will allow the addition of additional elements, such as a setting device, filters or others.
El contorno de la porción exterior está preferentemente dotado de un reborde perimetral 2, que apoya sobre la piel li e impide que dicha porción exterior 15 se clave sobre el estoma, o que en casos extremos llegue a penetrar en la tráquea 13.The contour of the outer portion is preferably provided with a perimeter flange 2, which rests on the skin li and prevents said outer portion 15 from being stuck on the stoma, or that in extreme cases it can penetrate the trachea 13.
Está prevista la incorporación de ranuras 4 para la fijación de cintas se sujeción, si bien esta característica es complementaria a la invención descrita, por cuanto la fijación de esta cánula se realiza por sí misma.The incorporation of grooves 4 for the fixing of tapes is provided, although this characteristic is complementary to the described invention, since the fixing of this cannula is carried out by itself.
La porción tubular que determina la parte de la cánula situada en el interior del traqueotomizado, dispone a una cierta distancia de la porción exterior una
proyección emergente 8, hacia los lados 10 y la parte superior 9, siempre en posición deThe tubular portion that determines the part of the cannula located inside the tracheotomized, disposes a certain distance from the outer portion a pop-up projection 8, sideways 10 and top 9, always in the position of
uso. Vemos que esta proyección emergente adopta desde un punto de vista superioruse. We see that this emerging projection adopts from a superior point of view
forma de media luna, adaptándose así a la forma tubular de la tráquea. La fijación en elcrescent shape, adapting to the tubular shape of the trachea. Fixing on the
estoma redunda en una fijación tanto interior como exterior, permitiendo sin producirstoma results in both internal and external fixation, allowing without producing
molestias movimientos del cuello, ya que con este dispositivo de fijación se producediscomfort neck movements, since with this fixation device occurs
siempre una autoadaptación de la fijación y un autoposicionamiento, sin posibilidadalways a self-adaptation of the fixation and a self-positioning, without possibility
accidental de salida de la cánula de su posición de uso.accidental exit of the cannula from its position of use.
Todas las aristas que se representan en el presente dispositivo estánAll edges represented in this device are
redondeadas, con las curvaturas adecuadas para un perfecto acomodamiento que norounded, with the appropriate curvatures for a perfect accommodation that does not
produzca molestias ni sea lesivo para el usuario.cause discomfort or be harmful to the user.
No se define limitación alguna en los materiales empleados, resultandoNo limitation is defined in the materials used, resulting
aconsejables para su realización gomas elásticas, tales como látex natural, oelastic gums, such as natural latex, or
combinación de materiales en función de la necesidad.combination of materials depending on the need.
Esta cánula puede también ser utilizada como cánula exterior paraThis cannula can also be used as an outer cannula for
alojamiento de un conducto interior.Inner duct housing.
Es de aplicación en la fabricación de cánulas para traqueotomía.
It is applicable in the manufacture of cannulas for tracheotomy.
Claims
1.- Cánula para traqueotomizados que comprende, según posición de utilización, una porción exterior (15) y una porción interior (5), estando constituida dicha porción interior de un cuerpo tubular que conecta con el exterior a través de la porción exterior, caracterizada por disponer sobre el tubo que constituye la porción interior un resalte (8) o proyección emergente, dispuesto a una cierta distancia de la porción exterior (15) de modo que dicha porción exterior queda dispuesta en la parte exterior del estoma, y dicho resalte o proyección emergente queda dispuesto en la parte interior de la traquea del traqueotomizado.1.- Tracheotomized cannula comprising, according to position of use, an outer portion (15) and an inner portion (5), said inner portion being constituted of a tubular body that connects with the outside through the outer portion, characterized by disposing on the tube constituting the inner portion a projection (8) or emerging projection, arranged at a certain distance from the outer portion (15) so that said outer portion is disposed on the outside of the stoma, and said protrusion or Emerging projection is arranged inside the tracheotomy trachea.
2.- Cánula para traqueotomizados, según la reivindicación 1 , caracterizada porque el resalte (8) provisto en la porción tubular interior (5) adopta forma curva desde un punto de vista superior, en concordancia con la forma interior de la tráquea del traqueotomizado.2.- Cannula for tracheotomized according to claim 1, characterized in that the projection (8) provided in the inner tubular portion (5) adopts a curved shape from a superior point of view, in accordance with the internal shape of the tracheotomized trachea.
3.- Cánula para traqueotomizados, según las reivindicaciones 1 y 2, caracterizada porque el resalte (8) provisto en la porción tubular interior (5), se extiende por ambos lados hasta aproximadamente la mitad del tubo del que emerge.3.- Tracheotomized cannula, according to claims 1 and 2, characterized in that the projection (8) provided in the inner tubular portion (5) extends on both sides to approximately half of the tube from which it emerges.
4.- Cánula para traqueotomizados, según las reivindicaciones 1 a 3, caracterizada porque ei resalte (8) provisto en la porción tubular interior (5) se extiende superioπnente en una altura de entre 0,3 y 2 cm. desde la porción tubular (5). 4. Tracheotomized cannula according to claims 1 to 3, characterized in that the protrusion (8) provided in the inner tubular portion (5) extends superiorly at a height between 0.3 and 2 cm. from the tubular portion (5).
5.- Cánula para traqueotomizados, según las reivindicaciones 1 a 4, caracterizada porque el resalte (8) provisto en la porción tubular interior (5) adopta forma de media luna, desde un punto de vista frontal.5.- Tracheotomized cannula, according to claims 1 to 4, characterized in that the projection (8) provided in the inner tubular portion (5) takes the form of a crescent, from a frontal point of view.
6.- Cánula para traqueotomizados, según la reivindicación 1 , caracterizada porque el cuerpo exterior presenta forma de tronco de cono.6. Tracheotomized cannula according to claim 1, characterized in that the outer body has a cone trunk shape.
7.- Cánula para traqueotomizados, según las reivindicaciones 1 y 6, caracterizado porque la porción exterior (15) dispone en lados opuestos sendas ranuras pasantes (4).7. Tracheotomized cannula according to claims 1 and 6, characterized in that the outer portion (15) has opposite grooves on opposite sides (4).
8.- Cánula para traqueotomizados, según la reivindicación 6, caracterizada porque la porción exterior (15) dispone un reborde perimetral (2). 8. - Tracheotomized cannula according to claim 6, characterized in that the outer portion (15) has a perimeter flange (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003294996A AU2003294996A1 (en) | 2003-12-30 | 2003-12-30 | Cannula for tracheotomized patients |
| PCT/ES2003/000667 WO2005063325A1 (en) | 2003-12-30 | 2003-12-30 | Cannula for tracheotomized patients |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2003/000667 WO2005063325A1 (en) | 2003-12-30 | 2003-12-30 | Cannula for tracheotomized patients |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005063325A1 true WO2005063325A1 (en) | 2005-07-14 |
Family
ID=34717306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2003/000667 WO2005063325A1 (en) | 2003-12-30 | 2003-12-30 | Cannula for tracheotomized patients |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2003294996A1 (en) |
| WO (1) | WO2005063325A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334631A (en) * | 1964-09-11 | 1967-08-08 | Dow Corning | Tracheal tube assembly |
| US3606669A (en) * | 1969-05-26 | 1971-09-21 | Philip Morris Inc | Method of making tracheal tube device |
| US4269184A (en) * | 1980-02-28 | 1981-05-26 | Montgomery William W | Silicone tracheal cannula |
| ES2174738A1 (en) * | 2000-12-11 | 2002-11-01 | Orti Luis Blas Mompo | Cannula for tracheotomy devices |
-
2003
- 2003-12-30 AU AU2003294996A patent/AU2003294996A1/en not_active Abandoned
- 2003-12-30 WO PCT/ES2003/000667 patent/WO2005063325A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334631A (en) * | 1964-09-11 | 1967-08-08 | Dow Corning | Tracheal tube assembly |
| US3606669A (en) * | 1969-05-26 | 1971-09-21 | Philip Morris Inc | Method of making tracheal tube device |
| US4269184A (en) * | 1980-02-28 | 1981-05-26 | Montgomery William W | Silicone tracheal cannula |
| ES2174738A1 (en) * | 2000-12-11 | 2002-11-01 | Orti Luis Blas Mompo | Cannula for tracheotomy devices |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003294996A1 (en) | 2005-07-21 |
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