WO2014198975A1 - Vesical catheter - Google Patents

Vesical catheter Download PDF

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Publication number
WO2014198975A1
WO2014198975A1 PCT/ES2014/000098 ES2014000098W WO2014198975A1 WO 2014198975 A1 WO2014198975 A1 WO 2014198975A1 ES 2014000098 W ES2014000098 W ES 2014000098W WO 2014198975 A1 WO2014198975 A1 WO 2014198975A1
Authority
WO
WIPO (PCT)
Prior art keywords
bladder
light
probe
catheter
central light
Prior art date
Application number
PCT/ES2014/000098
Other languages
Spanish (es)
French (fr)
Inventor
Pablo ESTEBAN PÉREZ
Original Assignee
Esteban Pérez Pablo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Esteban Pérez Pablo filed Critical Esteban Pérez Pablo
Publication of WO2014198975A1 publication Critical patent/WO2014198975A1/en

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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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • A61M2025/0079—Separate user-activated means, e.g. guidewires, guide tubes, balloon catheters or sheaths, for sealing off an orifice, e.g. a lumen or side holes, of a catheter

Definitions

  • the present invention relates to the construction of a bladder catheter whose purpose is to allow a drainage / extraction path from the bladder to the outside, for therapeutic and / or diagnostic purposes, which may be temporary, permanent or intermittent,
  • the object of the invention is to allow an efficient and painless cleaning of the central light of the probe, due to the clots organized inside the bladder or obstructive elements of similar character without the need for the cleaning fluid used for said purpose to reach the patient's bladder, without conditioning intravesical overpressure.
  • a bladder catheter in principle, is a tube of possible introduction through the urethra into the urinary bladder, allowing its urinary evacuation.
  • bladder catheters can be diagnostic or therapeutic in nature, so that bladder catheterization for diagnostic purposes can be performed to obtain intravesical urine for analytical purposes, assessment of retentions, or for volumetric quantification of diuresis in critically limited patients physical or psychic, while bladder catheters for therapeutic purposes may be provided to empty the bladder in case of urinary retention secondary to urethral / bladder obstructive situations, whether organic or functional in nature, to facilitate healing of parietal continuity solutions and mucosa after surgical or traumatic attitudes, to perform bladder irrigation in case of severe hematuria, to prevent tension in the pelvis or abdominal wounds from the distended bladder, or to administer intravesical therapeutic solutions.
  • the probe structure incorporates in some cases an intravesical or balloon fixation device (FOLEY), or lack it, in which case the probe is held by other external devices.
  • FOLEY intravesical or balloon fixation device
  • probe There are multiple types of probe depending on its end or terminal adapting a blunt, flat, beveled, conical and olive shape, being able to be straight or angled, so that in each case the probe is adapted to a special indication.
  • the probes can be classified according to the number of lights available.
  • Double light in which one of the lights is the connection for the urine collection bag, and the other is for filling the safety balloon.
  • Triple light which are used for bladder irrigation, so that one light is the connection of the collection bag, another light is for filling the safety balloon and the third light for the connection of the irrigation.
  • Irrigation is planned to carry out the cleaning of the bladder through the central light of the probe.
  • irrigation is done by injecting the cleaning fluid through the corresponding light, carrying with it the drag of the obstacle element, such as a clot.
  • the problem is associated with the method of cleaning these obstructions, whereby fluid is injected through the central light which reaches the bladder, thus producing an intravesical overpressure that conditions a distension of the bladder walls that is translates into pain to the patient.
  • the bladder catheter that is recommended has been conceived to solve the problem caused by blood clots inside the bladder, either by pathological or therapeutic bleeding accumulated intravesically, or obstructions of a similar nature, based on an effective solution.
  • This probe of the invention has the particularity that it includes a new light. This additional light is directly connected to a valve located inside the probe that seals the central light of the probe in the direction of the inside of the bladder preventing the entry of fluid into it, thus avoiding possible discomfort due to fluid overpressure of cleaning and relaxation that entails.
  • the new light that is to say the additional light that incorporates the probe of the invention, is provided to inject the cleaning fluid through it, and upon reaching the valve, it will close the passage to the bladder and the injected cleaning fluid exits to the outside through the central light, dragging with it possible obstructions that the probe incorporates, but without reaching that cleaning fluid or irrigation the bladder.
  • Figure 1 shows a representation corresponding to a general perspective of the probe of the invention with the new light incorporating it.
  • Figure 2 shows a detail of the arrangement of the closed valve and the new light that incorporates the probe of the invention.
  • the probe of the invention is constituted, as is conventional, by means of a tube (1) which, as stated above, can be rigid, semi-rigid or soft.
  • said probe is of the type that incorporates three lights and corresponds to the references (2, 3, 4) of Figure 1 although it can be applied to probes of one and three lights.
  • the probe incorporates an additional light (5), through which cleaning fluid can be injected for cleaning the probe, and more specifically the conduit that forms the central light (4), without that cleaning fluid reaching the bladder, and this as a result of the light (5) communicating with the central light (4) through a valve (6), which when cleaning fluid is injected through that light (5), the valve (6) closes the communication with the bladder, preventing that cleaning fluid from reaching the bladder, and yet it is driven at high pressure through the duct that forms the central light (4), carrying out the exit to the outside, as it is represented with the arrow lines of figure 1, and with that effect to clean that duct or central light (4) of the probe.
  • the new light (5) provided in the probe of the invention is directly connected to the valve (6) provided inside the probe, blocking the central light (4) and preventing the passage of fluid that can be injected through of that light (5) inside the patient's bladder, thus avoiding possible discomforts due to overpressure of the cleaning fluid.

Abstract

The invention relates to a vesical catheter for allowing a drainage/extraction route from the bladder out of the body, said catheter being provided with an additional lumen connected directly to a valve provided inside the catheter, which communicates with the central lumen, said valve establishing the obturation of said central lumen towards the bladder and the intercommunication of the new lumen with the central lumen for the pressurised injection and outflow of the cleaning fluid via the central lumen.

Description

SONDA VESICAL  URINARY CATHETER
D E S C R I P C I Ó N D E S C R I P C I Ó N
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente invención se refiere a la construcción de una sonda vesical cuya finalidad radica en permitir una vía de drenaje/extracción desde la vejiga al exterior, con fines terapéuticos y/o diagnósticos, que puede ser temporal, permanente o intermitente, The present invention relates to the construction of a bladder catheter whose purpose is to allow a drainage / extraction path from the bladder to the outside, for therapeutic and / or diagnostic purposes, which may be temporary, permanent or intermittent,
El objeto de la invención es permitir una limpieza eficaz e indolora de la luz central de la sonda, debido a los coágulos organizados en el interior de la vejiga o elementos obstructivos de similar carácter sin necesidad de que el fluido de limpieza utilizado para dicho fin alcance la vejiga del paciente, sin condicionar sobrepresión intravesical. The object of the invention is to allow an efficient and painless cleaning of the central light of the probe, due to the clots organized inside the bladder or obstructive elements of similar character without the need for the cleaning fluid used for said purpose to reach the patient's bladder, without conditioning intravesical overpressure.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Una sonda vesical, en principio es un tubo de posible introducción a través de la uretra hasta el interior de la vejiga urinaria, permitiendo su evacuación urinosa. A bladder catheter, in principle, is a tube of possible introduction through the urethra into the urinary bladder, allowing its urinary evacuation.
Su consistencia puede ser rígida, semirrígida o blanda, dependiendo de la composición de su material de construcción. Its consistency can be rigid, semi-rigid or soft, depending on the composition of its construction material.
La finalidad de los sondajes vesicales puede ser de carácter diagnóstico o terapéutico, de manera que el sondaje vesical con fines diagnósticos puede efectuarse para la obtención de orina intravesical con fines analíticos, valoración de retenciones, o para cuantificación volumétrica de diuresis en pacientes críticos con limitación física o psíquica, mientras que los sondajes vesicales con fines terapéuticos pueden estar previstos para vaciar la vejiga en caso de retenciones urinarias secundarias a situaciones obstructivas uretra/vesicales ya sean de naturaleza orgánica o funcional, para facilitar la cicatrización de las soluciones de continuidad, parietal y mucosa tras actitudes quirúrgicas o traumáticas, para realizar irrigaciones vesicales en caso de hematuria severa, para prevenir la tensión en la pelvis o heridas abdominales por la vejiga distendida, o para administración de soluciones terapéuticas intravesicales. Independientemente de que las sondas pueden ser blandas y maleables, cuando están materializadas en látex, semirrígidas cuando están materializadas en silicona, o rígidas en caso de estar materializadas en plástico, la estructura de la sonda incorpora en unos casos un dispositivo de fijación intravesical o balón (FOLEY), o bien carecer de éste, en cuyo caso la sonda se sujeta mediante otros dispositivos exteriores. The purpose of bladder catheters can be diagnostic or therapeutic in nature, so that bladder catheterization for diagnostic purposes can be performed to obtain intravesical urine for analytical purposes, assessment of retentions, or for volumetric quantification of diuresis in critically limited patients physical or psychic, while bladder catheters for therapeutic purposes may be provided to empty the bladder in case of urinary retention secondary to urethral / bladder obstructive situations, whether organic or functional in nature, to facilitate healing of parietal continuity solutions and mucosa after surgical or traumatic attitudes, to perform bladder irrigation in case of severe hematuria, to prevent tension in the pelvis or abdominal wounds from the distended bladder, or to administer intravesical therapeutic solutions. Regardless of whether the probes can be soft and malleable, when they are materialized in latex, semi-rigid when they are materialized in silicone, or rigid if they are materialized in plastic, the probe structure incorporates in some cases an intravesical or balloon fixation device (FOLEY), or lack it, in which case the probe is held by other external devices.
Existen múltiples tipos de sonda en función de su parte extrema o terminal adaptando forma roma, plana, biselada, cónica y olivar, pudiendo ser recta o acodada, de manera que en cada caso la sonda está adaptada a un indicación especial. There are multiple types of probe depending on its end or terminal adapting a blunt, flat, beveled, conical and olive shape, being able to be straight or angled, so that in each case the probe is adapted to a special indication.
Las sondas pueden clasificarse según el número de luces que dispongan. The probes can be classified according to the number of lights available.
De una sonda de una sola luz y son generalmente rígidas. Of a single light probe and are generally rigid.
De doble luz, en la que una de las luces es la de conexión para la bolsa recolectora de la orina, y la otra es para el llenado del globo de seguridad. Double light, in which one of the lights is the connection for the urine collection bag, and the other is for filling the safety balloon.
De triple luz, que son utilizadas para irrigación vesical, de manera que una luz es la de conexión de la bolsa recolectora, otra luz es para el llenado del globo de seguridad y la tercera luz para la conexión de la irrigación. Triple light, which are used for bladder irrigation, so that one light is the connection of the collection bag, another light is for filling the safety balloon and the third light for the connection of the irrigation.
La irrigación está prevista para llevar a cabo la limpieza de la vejiga a través luz central de la sonda. Para evitar o eliminar determinadas obstrucciones, de manera que esa irrigación se hace mediante la inyecta el fluido de limpieza a través de la luz correspondiente, llevando consigo el arrastre del elemento obstaculizador, como puede ser un coágulo. El problema está asociado la método de limpieza de dichas obstrucciones, mediante el cual se inyecta fluido a través de la luz central el cual llega a la vejiga, produciendo de este modo una sobrepresión intravesical que condiciona una distensión de las paredes de la vejiga que se traduce en dolor al paciente. Irrigation is planned to carry out the cleaning of the bladder through the central light of the probe. To avoid or eliminate certain obstructions, so that irrigation is done by injecting the cleaning fluid through the corresponding light, carrying with it the drag of the obstacle element, such as a clot. The problem is associated with the method of cleaning these obstructions, whereby fluid is injected through the central light which reaches the bladder, thus producing an intravesical overpressure that conditions a distension of the bladder walls that is translates into pain to the patient.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
La sonda vesical que se preconiza ha sido concebida para resolver la problemática condicionada por los coágulos hemáticos situados en el interior de la vejiga, bien por sangrados patológicos o terapéuticos acumulados intravesicalmente, u obstrucciones de similar carácter, en base a una solución eficaz. Esta sonda de la invención presenta la particularidad de que incluye una nueva luz. Esta luz adicional está directamente conectada a una válvula ubicada en el interior de la sonda que obtura la luz central de la sonda en sentido al interior de la vejiga impidiendo la entrada de fluido a la misma, evitando así posibles incomodidades debidas a la sobrepresión del fluido de limpieza y la distensión que ello conlleva. La nueva luz, es decir la luz adicional que incorpora la sonda de la invención, está prevista para inyectar el fluido de limpieza a través de ella, y al alcanzar la válvula, ésta cerrará el paso a la vejiga y el fluido de limpieza inyectado sale al exterior a través de la luz central, arrastrando consigo posibles obstrucciones que incorpore la sonda, pero sin alcanzar ese fluido de limpieza o irrigación la vejiga. The bladder catheter that is recommended has been conceived to solve the problem caused by blood clots inside the bladder, either by pathological or therapeutic bleeding accumulated intravesically, or obstructions of a similar nature, based on an effective solution. This probe of the invention has the particularity that it includes a new light. This additional light is directly connected to a valve located inside the probe that seals the central light of the probe in the direction of the inside of the bladder preventing the entry of fluid into it, thus avoiding possible discomfort due to fluid overpressure of cleaning and relaxation that entails. The new light, that is to say the additional light that incorporates the probe of the invention, is provided to inject the cleaning fluid through it, and upon reaching the valve, it will close the passage to the bladder and the injected cleaning fluid exits to the outside through the central light, dragging with it possible obstructions that the probe incorporates, but without reaching that cleaning fluid or irrigation the bladder.
En base a esta característica o mejora que incorpora la sonda vesical de la invención, es posible inyectar a gran presión fluido de limpieza en la sonda para su limpieza, sin que dicho fluido de limpieza se introduzca en la vejiga. De igual manera, se puede aplicar de forma intermitente, en adición de disgregantes o diluyentes en fluido de limpieza a fin de fraccionar el elemento obturador de modo que sea más fácilmente extraíble. Based on this characteristic or improvement that incorporates the bladder catheter of the invention, it is possible to inject a high pressure cleaning fluid into the probe for cleaning, without said cleaning fluid being introduced into the bladder. Similarly, it can be applied intermittently, in addition to disintegrants or diluents in cleaning fluid in order to fractionate the sealing element so that it is more easily removable.
DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS
Para complementar la descripción que seguidamente se va a realizar y con objeto de ayudar a una mejor comprensión de las características del invento, se acompaña la presente memoria descriptiva, formando parte integrante déla misma, un juego de dibujos en base a los cuales se comprenderán más fácilmente las innovaciones y ventajas de la sonda vesical realizada de acuerdo con el objeto de la invención. To complement the description that will then be made and in order to help a better understanding of the characteristics of the invention, this descriptive report is attached, being an integral part of it, a set of drawings based on which more will be understood Easily innovations and advantages of the bladder catheter made in accordance with the object of the invention.
La figura 1.- Muestra una representación correspondiente a una perspectiva general de la sonda de la invención con la nueva luz que incorpora la misma. Figure 1 shows a representation corresponding to a general perspective of the probe of the invention with the new light incorporating it.
La figura 2.- Muestra un detalle de la disposición de la válvula cerrada y de la nueva luz que incorpora la sonda de la invención. Figure 2 shows a detail of the arrangement of the closed valve and the new light that incorporates the probe of the invention.
La figura 3.- Muestra un detalle de la disposición de la válvula abierta y de la nueva luz que incorpora la sonda de la invención. REALIZACIÓN PREFERENTE DE LA INVENCIÓN Figure 3.- Shows a detail of the arrangement of the open valve and the new light that incorporates the probe of the invention. PREFERRED EMBODIMENT OF THE INVENTION
Como se puede ver en las figuras referidas, la sonda de la invención está constituida, como es convencional, mediante un tubo (1) que como se ha dicho con anterioridad, puede ser rígido, semirrígido o blando. As can be seen in the aforementioned figures, the probe of the invention is constituted, as is conventional, by means of a tube (1) which, as stated above, can be rigid, semi-rigid or soft.
En cualquier caso, dicha sonda es del tipo de las que incorporan tres luces y que corresponde a las referencias (2, 3, 4) de la figura 1 aunque puede aplicarse a sondas de una dos y tres luces. Con la especial particularidad de que según la invención la sonda incorpora una luz adicional (5), a través de la cual puede inyectarse fluido de limpieza para la limpieza de la sonda, y más concretamente del conducto que forma la luz central (4), sin que ese fluido de limpieza alcance la vejiga, y ello como consecuencia de que la luz (5) se comunica con la luz central (4) mediante una válvula (6), la cual cuando se inyecta fluido de limpieza a través de esa luz (5), la válvula (6) cierra la comunicación con la vejiga, impidiendo que ese fluido de limpieza alcance la vejiga, y sin embargo sea impulsado a gran presión a través del conducto que forma la luz central (4), llevando a cabo la salida al exterior, tal como se representa con las líneas de flechas de la figura 1 , y con ello efectuar la limpieza de ese conducto o luz central (4) de la sonda. In any case, said probe is of the type that incorporates three lights and corresponds to the references (2, 3, 4) of Figure 1 although it can be applied to probes of one and three lights. With the particular feature that according to the invention the probe incorporates an additional light (5), through which cleaning fluid can be injected for cleaning the probe, and more specifically the conduit that forms the central light (4), without that cleaning fluid reaching the bladder, and this as a result of the light (5) communicating with the central light (4) through a valve (6), which when cleaning fluid is injected through that light (5), the valve (6) closes the communication with the bladder, preventing that cleaning fluid from reaching the bladder, and yet it is driven at high pressure through the duct that forms the central light (4), carrying out the exit to the outside, as it is represented with the arrow lines of figure 1, and with that effect to clean that duct or central light (4) of the probe.
Por consiguiente, la nueva luz (5) prevista en la sonda de la invención, está directamente conectada a la válvula (6) prevista dentro de la sonda, obturando la luz central (4) e impidiendo el paso del fluido que puede inyectarse a través de esa luz (5) al interior de la vejiga del paciente, evitando así posibles incomodidades debidas a la sobrepresion del fluido de limpieza. Therefore, the new light (5) provided in the probe of the invention is directly connected to the valve (6) provided inside the probe, blocking the central light (4) and preventing the passage of fluid that can be injected through of that light (5) inside the patient's bladder, thus avoiding possible discomforts due to overpressure of the cleaning fluid.

Claims

R E I V I N D I C A C I O N E S
1.- Sonda vesical, formada por un tubo que puede ser de naturaleza rígida, semirrígida o blanda, y en el que están establecidas preferentemente tres luces , aunque aplicable a sondas de una y dos luces también, una para conexión de la bolsa recolectora, otra para llenado del globo de fijación, y otra para la conexión de la irrigación, se caracteriza porque incluye una luz adicional conectada directamente a una válvula prevista en el interior de la sonda, en correspondencia con la luz central, estableciendo dicha válvula la obturación de esa luz central hacia la vejiga y la intercomunicación de la nueva luz con la luz central para el inyectado a presión y salida del fluido de limpieza por la luz central. 1.- Bladder catheter, formed by a tube that can be of a rigid, semi-rigid or soft nature, and in which three lights are preferably established, although applicable to probes of one and two lights also, one for connection of the collection bag, another for filling the fixing balloon, and another for the connection of the irrigation, is characterized in that it includes an additional light connected directly to a valve provided inside the probe, in correspondence with the central light, said valve establishing the sealing of that central light towards the bladder and the intercommunication of the new light with the central light for the injected under pressure and exit of the cleaning fluid by the central light.
PCT/ES2014/000098 2013-06-14 2014-06-13 Vesical catheter WO2014198975A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU201330751 2013-06-14
ES201330751U ES1083904Y (en) 2013-06-14 2013-06-14 Urinary catheter

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WO2014198975A1 true WO2014198975A1 (en) 2014-12-18

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110354364B (en) * 2019-08-09 2021-09-03 南京市儿童医院 Safe closed chemotherapy tube flushing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227533A (en) * 1978-11-03 1980-10-14 Bristol-Myers Company Flushable urinary catheter
US4723946A (en) * 1986-02-12 1988-02-09 Kay Dennis M Urinary catheter, hygiene system and process therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227533A (en) * 1978-11-03 1980-10-14 Bristol-Myers Company Flushable urinary catheter
US4723946A (en) * 1986-02-12 1988-02-09 Kay Dennis M Urinary catheter, hygiene system and process therefor

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ES1083904Y (en) 2013-09-27

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