WO2022180285A1 - Device for removing solid waste rectally - Google Patents

Device for removing solid waste rectally Download PDF

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Publication number
WO2022180285A1
WO2022180285A1 PCT/ES2021/070144 ES2021070144W WO2022180285A1 WO 2022180285 A1 WO2022180285 A1 WO 2022180285A1 ES 2021070144 W ES2021070144 W ES 2021070144W WO 2022180285 A1 WO2022180285 A1 WO 2022180285A1
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WO
WIPO (PCT)
Prior art keywords
solid waste
tube
extracting solid
head
rectal route
Prior art date
Application number
PCT/ES2021/070144
Other languages
Spanish (es)
French (fr)
Inventor
Miguel Angel MARTÍNEZ GARZÓN
Original Assignee
Martinez Garzon Miguel Angel
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Publication date
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Priority to PCT/ES2021/070144 priority Critical patent/WO2022180285A1/en
Publication of WO2022180285A1 publication Critical patent/WO2022180285A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • 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
    • A61M9/00—Baths for subaquatic intestinal cleaning

Definitions

  • the present invention falls within the field of healthcare devices, specifically devices to facilitate the evacuation of body fluids.
  • catheters for urine and liquid waste that are inserted through the sphincters.
  • rectal probes with various objectives, but there are no efficient systems for the extraction of solid waste without the direct intervention of healthcare personnel.
  • the object of the present invention is to obtain a device for the extraction of solid waste by the rectal route in a state of rest in patients who cannot perform abdominal efforts.
  • Another object of the present invention is to obtain a rectal solid waste extraction device so that said extraction is carried out in such a way that the patient does not need to move to carry it out.
  • Another object of the present invention is to obtain a device for extracting solid waste by rectal route so that said extraction is carried out in an assisted manner, minimizing the intervention of health or care personnel.
  • Another object of the present invention is to obtain a rectal solid waste removal device whose insertion into the sphincter does not cause abrasions or injuries to the patient.
  • the rectal solid waste extraction device object of the present invention comprises, at least, a cylindrical head that is inserted into the patient's anal sphincter and a cylindrical conduction tube made of flexible material within which a rotor with a rotor is inserted. endless screw on a shaft, also made of flexible material, so that when it rotates, driven by an electric motor, it pumps and moves the solid waste that enters through the head and circulates through the tube towards a waste tank through a fitting and an outlet tube.
  • the head also has inside a central tube with a section of endless screw coupled with the flexible endless screw inside the flexible driving tube.
  • the head has a cylindrical sleeve around the central extraction tube that has an approximately hemispherical shape at its end so that it facilitates its insertion into the patient's sphincter. Once inserted into the sphincter, the sleeve is removed backwards, allowing the opening in the patient's rectum of a membrane of flexible and elastic material with an approximately conical shape that ensures the sealing of the extraction process.
  • the membrane Before insertion, the membrane is folded in the space between the central tube and the jacket wall. This avoids abrasions or injuries to the patient's sphincter during the insertion process. When opened, it recovers its original shape thanks to the material's flexibility and elasticity characteristics.
  • Lubricating fluid circulates inside the cylindrical sleeve around the central extraction tube, flowing out through holes at the end of said head in order to lubricate the surface of the device to facilitate insertion into the sphincter.
  • the lubricant inlet is carried out through a specific valve connected to the head.
  • a small supply tube is inserted into the space between the central tube and the wall of the jacket, through which fluids such as medications or intestinal hygiene products can be introduced into the patient's intestine.
  • a pressure valve is inserted which, upon detecting the pressure of the waste in the patient's rectum, closes the outlet to the outside of said supply tube. The insertion of the fluids is done through a specific valve connected to the head.
  • the activation of the system is carried out by a button connected to the electric motor, which can be pressed by the patient himself or by the health personnel in the event that the patient cannot do so.
  • the waste tank has a fill level indicator, as well as a manual emptying valve for the extraction of waste by gravity, and may contain a specific fluid for absorbing odours.
  • the waste container is portable, facilitating its movement through wheels in its lower part and a handle in its upper part, which can be telescopic, so that it can be easily dragged, possibly after disconnection of a quick coupling to the outlet tube of the fitting.
  • the reservoir can be carried by the patient himself on his back like a backpack by means of straps.
  • the waste tank is fixed and the outlet of the emptying valve can be connected to an extraction conduit in turn connected through a connection tap to a waste circulation line at a pressure lower than the atmospheric one, so that the extraction of the waste is produced by suction through the difference in pressure between the tank and the extraction line.
  • Figure 1 shows a schematic representation of the solid waste extraction device described by a preferred embodiment of the present invention.
  • Figure 2a shows a front elevational view of the head in a position prior to insertion, indicating a sectional plane of the solid waste extraction device described by a preferred embodiment of the present invention.
  • Figure 2b shows a sectioned view along the section plane indicated in Figure 2a of the head in position prior to the insertion of the solid waste extraction device described by a preferred embodiment of the present invention.
  • Figure 3a shows a front elevational view indicating a sectional plane of the head in the insertion position of the solid waste extraction device described by a preferred embodiment of the present invention.
  • Figure 3b shows a sectioned view along the section plane indicated in figure 3a of the head in the insertion position of the solid waste extraction device described by a preferred embodiment of the present invention.
  • Figure 4 shows a schematic representation of the solid waste extraction device described by another preferred embodiment of the present invention.
  • the rectal solid waste extraction device is formed in a preferred embodiment by a cylindrical head (1) that is inserted into the patient's anal sphincter and a flexible cylindrical conduction tube (2) within which a rotor with a worm screw (3) on an equally flexible shaft so that it rotates driven by a rotary electric motor (5).
  • conduction tube (2) and concentric endless screw (3) are connected in series, coupled together by means of quick couplings (4) in order to have different lengths according to the needs of the patient.
  • the last tube is connected to a fitting (6) coupled with the motor (5) so that its shaft drives the worm screw rotor shaft (3) through a quick coupling (4).
  • the fitting is connected to an outlet pipe (7), through which the waste falls into a waste tank (8), with which said outlet pipe (7) is also connected by means of a coupling fast (4).
  • the head (2) is formed by a central conduction tube (13) with a section of endless screw (14) coupled with the flexible endless screw (3) mounted inside the flexible conduction tube (2) by means of a coupling (25) in the shaft of the quick coupling (4) formed by a male part (23) integral with the head and a female part (24) integral with the flexible tube (2).
  • the head (2) has a cylindrical sleeve (15) around the central extraction tube (13) which has an approximately hemispherical shape at its end (16) so as to facilitate its insertion into the patient's sphincter.
  • the sleeve is manually removed backwards, allowing the opening in the patient's rectum of a membrane (19) made of flexible and elastic material with an approximately conical shape that ensures the sealing of the extraction process.
  • the membrane is folded in the space between the central tube (13) and the wall of the jacket (15) and when opened, it recovers its original shape thanks to the material's characteristics of flexibility and elasticity.
  • Lubricating fluid circulates inside the jacket (15) and flows outside through some holes (17) at the end of the head (2).
  • the insertion of lubricant (28) is carried out through a specific valve (18) connected to the head.
  • a small delivery tube (20) Inserted into the space between the central tube and the wall of the jacket is a small delivery tube (20) through which fluids can be introduced into the patient's intestine.
  • a pressure valve (21) is mounted which, upon detecting the pressure of the waste in the patient's rectum, closes the outlet to the outside of said supply tube.
  • the insertion of the fluids (29) is carried out through a specific valve (22) connected to the head.
  • the system is activated by a button (26) connected via a cable to the electric motor (5).
  • the waste tank (8) has a fill level indicator (9), as well as an emptying valve (10) for the extraction of waste, and may contain specific fluids (27) for the disinfection and odor removal.
  • the waste container (8) is portable and has wheels (31) in its lower part, as well as a handle (32), which can be telescopic, in its upper part to facilitate its dragging. , and can also incorporate straps (33) to allow it to be carried by the patient as a backpack.
  • the outlet of the emptying valve (10) is connected to an extraction conduit (11) in turn connected through a connection tap (12) to a waste circulation line (30). ) at less than atmospheric pressure.

Abstract

Disclosed is a device for removing solid waste rectally, which allows removal in a rest state in patients who cannot exert abdominal effort, the patient not having to move and the intervention of health care staff or assistants being minimised. The device comprises at least a cylindrical head (1) connected to a flexible cylindrical conducting tube (2) that contains a rotor (3) with an endless screw inserted on a shaft that is also flexible and which is coupled at one end to the rotor (3) and at the other end to the shaft of a rotary motor (5), such that the rotor (3) is rotated about its axis by the rotary motor (5). The conducting tube (2) can be connected to a waste tank (8) comprising an emptying valve (10), a fill level (9), and wheels (31) and a handle (32) so that it can be moved.

Description

Figure imgf000003_0001
Figure imgf000003_0001
DISPOSITIVO DE EXTRACCIÓN DE RESIDUOS SÓLIDOS POR VIA RECTAL SECTOR DE LA TÉCNICA RECTAL SOLID WASTE EXTRACTION DEVICE TECHNIQUE SECTOR
La presente invención se inscribe dentro del campo de los dispositivos de asistencia sanitaria, en concreto los dispositivos de facilitación de las evacuaciones de los fluidos corporales. The present invention falls within the field of healthcare devices, specifically devices to facilitate the evacuation of body fluids.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Existen diversas situaciones en la que las personas necesitan asistencia en la evacuación de sus residuos sólidos orgánicos o heces fecales. Ejemplos de ello son las personas con movilidad reducida, personas mayores y enfermos con patologías intestinales que precisan de algún tipo de asistencia en la realización de la necesaria extracción dichos residuos intestinales. There are several situations in which people need assistance in the evacuation of their organic solid waste or faeces. Examples of this are people with reduced mobility, the elderly and patients with intestinal pathologies who require some type of assistance in carrying out the necessary extraction of said intestinal residues.
El método habitualmente empleado en el ámbito hospitalario y sanitario en general es un recipiente abierto denominado comúnmente cuña que precisa de la intervención directa del personal asistencial. En otros ámbitos es frecuente el empleo de elementos absorbentes, como pañales o similares. Ambos sistemas no son eficientes en el caso de pacientes que no pueden realizar esfuerzos abdominales. The method usually used in the hospital and health field in general is an open container commonly called a wedge that requires the direct intervention of healthcare personnel. In other areas, the use of absorbent elements, such as diapers or the like, is common. Both systems are not efficient in the case of patients who cannot perform abdominal efforts.
Existen dispositivos denominados sondas para la orina y residuos líquidos que se insertan a través de los esfínteres. Existen también sondas rectales con diversos objetivos, pero no existen sistemas eficientes para la extracción de los residuos sólidos sin la intervención directa de personal asistencial. There are devices called catheters for urine and liquid waste that are inserted through the sphincters. There are also rectal probes with various objectives, but there are no efficient systems for the extraction of solid waste without the direct intervention of healthcare personnel.
Esta intervención directa del personal asistencial, tanto en los ámbitos hospitalarios como geriátricos o particulares, en un espacio de la intimidad de las personas como éste, tiene en muchas ocasiones una repercusión en la autoestima de los pacientes. This direct intervention of healthcare personnel, both in hospital and geriatric or private settings, in a space of personal intimacy such as this one, often has an impact on the self-esteem of patients.
Por otra parte, la limitación de recursos humanos asistenciales también puede incidir en una ineficiencia en la realización de este tipo de tareas que podría ser compensada con el empleo de dispositivos mecánicos, pudiendo aumentar además los estándares de calidad del servicio. On the other hand, the limitation of healthcare human resources can also lead to inefficiency in carrying out this type of task, which could be compensated with the use of mechanical devices, being able to also increase the service quality standards.
EXPLICACIÓN DE LA INVENCIÓN EXPLANATION OF THE INVENTION
El objeto de la presente invención es la obtención de un dispositivo de extracción de residuos sólidos por vía rectal en estado de reposo en pacientes que no pueden realizar esfuerzos abdominales. The object of the present invention is to obtain a device for the extraction of solid waste by the rectal route in a state of rest in patients who cannot perform abdominal efforts.
Otro objeto de la presente invención es la obtención de un dispositivo de extracción de residuos sólidos por vía rectal de forma que dicha extracción se realice de forma que el paciente no necesite desplazarse para realizarla. Another object of the present invention is to obtain a rectal solid waste extraction device so that said extraction is carried out in such a way that the patient does not need to move to carry it out.
Otro objeto de la presente invención es la obtención de un dispositivo de extracción de residuos sólidos por vía rectal de forma que dicha extracción se realice de forma asistida minimizando la intervención de personal sanitario o asistencial. Another object of the present invention is to obtain a device for extracting solid waste by rectal route so that said extraction is carried out in an assisted manner, minimizing the intervention of health or care personnel.
Otro objeto de la presente invención es la obtención de un dispositivo de extracción de residuos sólidos por vía rectal cuya inserción en el esfínter no provoque abrasiones o lesiones en el paciente. Another object of the present invention is to obtain a rectal solid waste removal device whose insertion into the sphincter does not cause abrasions or injuries to the patient.
El dispositivo de extracción de residuos sólidos por vía rectal objeto de la presente invención comprende, al menos, un cabezal cilindrico que se inserta en el esfínter anal del paciente y un tubo cilindrico de conducción en material flexible dentro del cual se inserta un rotor con un tornillo sinfín sobre un eje, igualmente de material flexible, de forma que al rotar accionado por un motor eléctrico realiza el bombeo y desplazamiento de los residuos sólidos que entran a través del cabezal y circulan por el tubo hacia un depósito de residuos a través de un racor y un tubo de salida. The rectal solid waste extraction device object of the present invention comprises, at least, a cylindrical head that is inserted into the patient's anal sphincter and a cylindrical conduction tube made of flexible material within which a rotor with a rotor is inserted. endless screw on a shaft, also made of flexible material, so that when it rotates, driven by an electric motor, it pumps and moves the solid waste that enters through the head and circulates through the tube towards a waste tank through a fitting and an outlet tube.
El cabezal también posee en su interior un tubo central con un tramo de tornillo sinfín acoplado con el tornillo sinfín flexible dentro del tubo flexible de conducción. Pueden existir varios tramos de tubo de conducción y tornillo sinfín concéntrico acoplados entre sí mediante acoplamientos rápidos a fin de alcanzar distintas longitudes según la necesidad el paciente. El cabezal posee una camisa cilindrica en torno al tubo central de extracción que presenta una forma aproximadamente semiesférica en su extremo de forma que facilita su inserción en el esfínter del paciente. Una vez insertada en el esfínter, la camisa se retira hacia atrás permitiendo la apertura en el recto del paciente de una membrana de material flexible y elástico de forma aproximadamente cónica que asegura la estanqueidad del proceso de extracción. Antes de la inserción, la membrana está plegada en el espacio entre el tubo central y la pared de la camisa. De esta forma se evitan abrasiones o lesiones en el esfínter del paciente en el proceso de inserción. Al abrirse recupera la forma original gracias a las características de flexibilidad y elasticidad del material. The head also has inside a central tube with a section of endless screw coupled with the flexible endless screw inside the flexible driving tube. There may be several sections of concentric conduction tube and screw connected to each other by means of quick couplings in order to reach different lengths according to the patient's needs. The head has a cylindrical sleeve around the central extraction tube that has an approximately hemispherical shape at its end so that it facilitates its insertion into the patient's sphincter. Once inserted into the sphincter, the sleeve is removed backwards, allowing the opening in the patient's rectum of a membrane of flexible and elastic material with an approximately conical shape that ensures the sealing of the extraction process. Before insertion, the membrane is folded in the space between the central tube and the jacket wall. This avoids abrasions or injuries to the patient's sphincter during the insertion process. When opened, it recovers its original shape thanks to the material's flexibility and elasticity characteristics.
Por el interior de la camisa cilindrica en torno al tubo central de extracción circula fluido lubricante que fluye al exterior a través de unos taladros en el extremo de dicho cabezal a fin de lubricar la superficie del dispositivo para facilitar la inserción en el esfínter. La entrada de lubricante se realiza a través de una válvula específica conectada con el cabezal. Lubricating fluid circulates inside the cylindrical sleeve around the central extraction tube, flowing out through holes at the end of said head in order to lubricate the surface of the device to facilitate insertion into the sphincter. The lubricant inlet is carried out through a specific valve connected to the head.
En el espacio entre el tubo central y la pared de la camisa se inserta un pequeño tubo de suministro por el que se pueden introducir en el intestino del paciente fluidos como medicamentos o productos de higiene intestinal. En el extremo exterior del tubo, se introduce una válvula de presión que, al detectar la presión de los residuos en el recto del paciente, cierra la salida al exterior de dicho tubo de suministro. La inserción de los fluidos se realiza a través de una válvula específica conectada con el cabezal. A small supply tube is inserted into the space between the central tube and the wall of the jacket, through which fluids such as medications or intestinal hygiene products can be introduced into the patient's intestine. At the outer end of the tube, a pressure valve is inserted which, upon detecting the pressure of the waste in the patient's rectum, closes the outlet to the outside of said supply tube. The insertion of the fluids is done through a specific valve connected to the head.
En una realización de la invención, la activación del sistema se realiza por un pulsador conectado con el motor eléctrico, que puede ser pulsado por el propio paciente o bien por el personal sanitario en caso de que el paciente no pueda hacerlo. In one embodiment of the invention, the activation of the system is carried out by a button connected to the electric motor, which can be pressed by the patient himself or by the health personnel in the event that the patient cannot do so.
En una realización de la invención, el depósito de residuos tiene un indicador de nivel de llenado, así como una válvula de vaciado manual para la extracción de los residuos por gravedad, pudiendo contener un fluido específico para la absorción de olores. In one embodiment of the invention, the waste tank has a fill level indicator, as well as a manual emptying valve for the extraction of waste by gravity, and may contain a specific fluid for absorbing odours.
En una realización de la invención, el depósito de residuos es portátil, facilitando su desplazamiento a través de unas ruedas en su parte inferior y un asa en su parte superior, que puede ser telescópica, de forma que puede ser arrastrado fácilmente, eventualmente previa desconexión de un acoplamiento rápido al tubo de salida del racor. In one embodiment of the invention, the waste container is portable, facilitating its movement through wheels in its lower part and a handle in its upper part, which can be telescopic, so that it can be easily dragged, possibly after disconnection of a quick coupling to the outlet tube of the fitting.
En una realización de la invención, el depósito puede ser portado por el propio paciente en su espalda a modo de mochila mediante unas correas. In one embodiment of the invention, the reservoir can be carried by the patient himself on his back like a backpack by means of straps.
En otra realización de la invención, el depósito de residuos es fijo y la salida de la válvula de vaciado puede estar conectada con un conducto de extracción a su vez conectado a través una llave de conexión con una línea de circulación de residuos a presión inferior a la atmosférica, de forma que la extracción de los residuos se produce por aspiración mediante la diferencia de presión entre el depósito y la línea de extracción. In another embodiment of the invention, the waste tank is fixed and the outlet of the emptying valve can be connected to an extraction conduit in turn connected through a connection tap to a waste circulation line at a pressure lower than the atmospheric one, so that the extraction of the waste is produced by suction through the difference in pressure between the tank and the extraction line.
A lo largo de la descripción y de las reivindicaciones, la palabra «comprende» y sus variantes no pretenden excluir otras características técnicas, aditivos, componentes o pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la invención y en parte de la práctica de la invención. Los siguientes ejemplos y dibujos se proporcionan a modo de ilustración y no se pretende que restrinjan la presente invención. Además, la invención cubre todas las posibles combinaciones de realizaciones particulares y preferidas aquí indicadas. Throughout the description and claims, the word "comprise" and its variants are not intended to exclude other technical characteristics, additives, components or steps. Other objects, advantages and features of the invention will be apparent to those skilled in the art in part from the invention and in part from the practice of the invention. The following examples and drawings are provided by way of illustration and are not intended to limit the present invention. Furthermore, the invention covers all possible combinations of particular and preferred embodiments indicated here.
BREVE DESCRIPCIÓN DE LOS DIBUJOS BRIEF DESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a set of drawings is attached as an integral part of said description, where for illustrative and non-limiting purposes, the following has been represented: Next:
La Figura 1 muestra una representación esquemática del dispositivo de extracción de residuos sólidos descrito por una realización preferente de la presente invención. Figure 1 shows a schematic representation of the solid waste extraction device described by a preferred embodiment of the present invention.
La Figura 2a muestra una vista en alzado frontal del cabezal en posición previa a la inserción con indicación de un plano de sección del dispositivo de extracción de residuos sólidos descrito por una realización preferente de la presente invención. La Figura 2b muestra una vista seccionada por el plano de sección indicado en la Figura 2a del cabezal en posición previa a la inserción del dispositivo de extracción de residuos sólidos descrito por una realización preferente de la presente invención. Figure 2a shows a front elevational view of the head in a position prior to insertion, indicating a sectional plane of the solid waste extraction device described by a preferred embodiment of the present invention. Figure 2b shows a sectioned view along the section plane indicated in Figure 2a of the head in position prior to the insertion of the solid waste extraction device described by a preferred embodiment of the present invention.
La Figura 3a muestra una vista en alzado frontal con indicación de un plano de sección del cabezal en posición de inserción del dispositivo de extracción de residuos sólidos descrito por una realización preferente de la presente invención. Figure 3a shows a front elevational view indicating a sectional plane of the head in the insertion position of the solid waste extraction device described by a preferred embodiment of the present invention.
La Figura 3b muestra una vista seccionada por el plano de sección indicado en figura 3a del cabezal en posición de inserción del dispositivo de extracción de residuos sólidos descrito por una realización preferente de la presente invención. Figure 3b shows a sectioned view along the section plane indicated in figure 3a of the head in the insertion position of the solid waste extraction device described by a preferred embodiment of the present invention.
La Figura 4 muestra una representación esquemática del dispositivo de extracción de residuos sólidos descrito por otra realización preferente de la presente invención. Figure 4 shows a schematic representation of the solid waste extraction device described by another preferred embodiment of the present invention.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION
Empleando la numeración adoptada en las Figuras 1 , 2, 3 y 4 del presente documento para identificar los elementos que componen el dispositivo de extracción de residuos objeto de la presente invención, se procede a la descripción de dichos elementos para dos realizaciones preferentes de la invención. Using the numbering adopted in Figures 1, 2, 3 and 4 of this document to identify the elements that make up the waste extraction device object of the present invention, we proceed to the description of said elements for two preferred embodiments of the invention .
El dispositivo de extracción de residuos sólidos por vía rectal está formado en una realización preferente por un cabezal cilindrico (1 ) que se inserta en el esfínter anal del paciente y un tubo cilindrico flexible de conducción (2) dentro del cual se inserta un rotor con un tornillo sinfín (3) sobre un eje igualmente flexible de forma que rota accionado por un motor eléctrico rotativo (5). The rectal solid waste extraction device is formed in a preferred embodiment by a cylindrical head (1) that is inserted into the patient's anal sphincter and a flexible cylindrical conduction tube (2) within which a rotor with a worm screw (3) on an equally flexible shaft so that it rotates driven by a rotary electric motor (5).
Se conectan en serie varios tramos de tubo de conducción (2) y tornillo sinfín (3) concéntrico, acoplados entre sí mediante acoplamientos rápidos (4) a fin de tener distintas longitudes según las necesidades del paciente. El último tubo está conectado a un racor (6) acoplado con el motor (5) de forma que su eje acciona el eje del rotor tornillo sinfín (3) a través de un acoplamiento rápido (4). El racor está conectado con un tubo de salida (7), por el que los residuos caen a un depósito de residuos (8), con el que el dicho tubo de salida (7) está también conectado mediante un acoplamiento rápido (4). Several sections of conduction tube (2) and concentric endless screw (3) are connected in series, coupled together by means of quick couplings (4) in order to have different lengths according to the needs of the patient. The last tube is connected to a fitting (6) coupled with the motor (5) so that its shaft drives the worm screw rotor shaft (3) through a quick coupling (4). The fitting is connected to an outlet pipe (7), through which the waste falls into a waste tank (8), with which said outlet pipe (7) is also connected by means of a coupling fast (4).
El cabezal (2) está formado un tubo central de conducción (13) con un tramo de tornillo sinfín (14) acoplado con el tornillo sinfín flexible (3) montado dentro del tubo flexible de conducción (2) mediante un acoplamiento (25) en el eje del acoplamiento rápido (4) formado por una pieza macho (23) solidaria con el cabezal y una pieza hembra (24) solidaria con el tubo flexible (2). The head (2) is formed by a central conduction tube (13) with a section of endless screw (14) coupled with the flexible endless screw (3) mounted inside the flexible conduction tube (2) by means of a coupling (25) in the shaft of the quick coupling (4) formed by a male part (23) integral with the head and a female part (24) integral with the flexible tube (2).
El cabezal (2) posee una camisa cilindrica (15) en torno al tubo central de extracción (13) que presenta una forma aproximadamente semiesférica en su extremo (16) de forma que facilita su inserción en el esfínter del paciente. Una vez insertada en el esfínter, la camisa se retira manualmente hacia atrás permitiendo la apertura en el recto del paciente de una membrana (19) de material flexible y elástico de forma aproximadamente cónica que asegura la estanqueidad del proceso de extracción. Antes de la inserción, la membrana está plegada en el espacio entre el tubo central (13) y la pared de la camisa (15) y al abrirse recupera la forma original gracias a las características de flexibilidad y elasticidad del material. The head (2) has a cylindrical sleeve (15) around the central extraction tube (13) which has an approximately hemispherical shape at its end (16) so as to facilitate its insertion into the patient's sphincter. Once inserted into the sphincter, the sleeve is manually removed backwards, allowing the opening in the patient's rectum of a membrane (19) made of flexible and elastic material with an approximately conical shape that ensures the sealing of the extraction process. Before insertion, the membrane is folded in the space between the central tube (13) and the wall of the jacket (15) and when opened, it recovers its original shape thanks to the material's characteristics of flexibility and elasticity.
Por el interior de la camisa (15) circula fluido lubricante que fluye al exterior a través de unos taladros (17) en el extremo del cabezal (2). La inserción de lubricante (28) se realiza a través de una válvula (18) específica conectada con el cabezal. Lubricating fluid circulates inside the jacket (15) and flows outside through some holes (17) at the end of the head (2). The insertion of lubricant (28) is carried out through a specific valve (18) connected to the head.
En el espacio entre el tubo central y la pared de la camisa se inserta un pequeño tubo de suministro (20) por el que se pueden introducir fluidos en el intestino del paciente. En el extremo exterior del tubo, va montada una válvula de presión (21 ) que, al detectar la presión de los residuos en el recto del paciente, cierra la salida al exterior de dicho tubo de suministro. La inserción de los fluidos (29) se realiza a través de una válvula (22) específica conectada con el cabezal. Inserted into the space between the central tube and the wall of the jacket is a small delivery tube (20) through which fluids can be introduced into the patient's intestine. At the outer end of the tube, a pressure valve (21) is mounted which, upon detecting the pressure of the waste in the patient's rectum, closes the outlet to the outside of said supply tube. The insertion of the fluids (29) is carried out through a specific valve (22) connected to the head.
En una realización preferente de la invención, la activación del sistema se realiza por un pulsador (26) conectado a través de un cable con el motor eléctrico (5). In a preferred embodiment of the invention, the system is activated by a button (26) connected via a cable to the electric motor (5).
En una realización preferente de la invención, el depósito de residuos (8) tiene un indicador de nivel de llenado (9), así como una válvula de vaciado (10) para la extracción de los residuos, pudiendo contener fluidos específicos (27) para la desinfección y eliminación de olores. In a preferred embodiment of the invention, the waste tank (8) has a fill level indicator (9), as well as an emptying valve (10) for the extraction of waste, and may contain specific fluids (27) for the disinfection and odor removal.
En una realización preferente de la invención, el depósito de residuos (8) es portátil y tiene unas ruedas (31) en su parte inferior, así como un asa (32), que puede ser telescópica, en su parte superior para facilitar su arrastre, pudiendo también llevar incorporadas unas correas (33) para permitir ser portado a modo de mochila por el paciente. In a preferred embodiment of the invention, the waste container (8) is portable and has wheels (31) in its lower part, as well as a handle (32), which can be telescopic, in its upper part to facilitate its dragging. , and can also incorporate straps (33) to allow it to be carried by the patient as a backpack.
En otra realización preferente de la invención, la salida de la válvula de vaciado (10) está conectada con un conducto de extracción (11) a su vez conectado a través una llave de conexión (12) con una línea de circulación de residuos (30) a presión inferior a la atmosférica. In another preferred embodiment of the invention, the outlet of the emptying valve (10) is connected to an extraction conduit (11) in turn connected through a connection tap (12) to a waste circulation line (30). ) at less than atmospheric pressure.

Claims

REIVINDICACIONES
1. Dispositivo de extracción de residuos sólidos por vía rectal caracterizado porque comprende, al menos, un cabezal cilindrico (1) con un tubo central (13) concéntrico en su interior en cuyo eje se inserta un rotor con un tornillo sinfín (14), y un tubo cilindrico flexible de conducción (2) unido a dicho tubo (13) dentro del cual se inserta un rotor con un tornillo sinfín (3) sobre un eje igualmente flexible acoplado en un extremo al rotor (14) y acoplado en el otro extremo al eje de un motor rotativo (5), de forma que ambos rotores (3) y (14) rotan en torno a su eje accionados por dicho motor rotativo (5). 1. Device for extracting solid waste by rectal route, characterized in that it comprises, at least, a cylindrical head (1) with a concentric central tube (13) inside whose axis a rotor with an endless screw (14) is inserted, and a flexible cylindrical conduction tube (2) joined to said tube (13) inside which a rotor with a worm screw (3) is inserted on an equally flexible shaft coupled at one end to the rotor (14) and coupled at the other end to the axis of a rotary motor (5), so that both rotors (3) and (14) rotate around their axis driven by said rotary motor (5).
2. Dispositivo de extracción de residuos sólidos por vía rectal según la reivindicación 1 caracterizado porque el cabezal posee una camisa cilindrica (15) en torno al tubo central (13), alojando plegada una membrana (19) de material flexible y elástico de forma aproximadamente cónica en el espacio entre camisa (15) y tubo central (13), de forma que dicha membrana (19) se expande hacia el exterior y recupera su forma original al desplazarse la camisa cilindrica (15) longitudinalmente hacia atrás. 3. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 y 2 caracterizado porque el cabezal (1) presenta una forma aproximadamente semiesférica en su extremo (16), así unos taladros (17) en proximidades de dicho extremo. 4. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 2 y 3, caracterizado porque el espacio dentro del cabezal (1) contenido entre el tubo central (13) y la pared de la camisa (15) está unido con el exterior mediante un conducto conectado con una válvula (18). 5. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 2 y 3, caracterizado porque a través del espacio dentro del cabezal (1) contenido entre el tubo central (13) y la pared de la camisa (15) se inserta un tubo (20) de suministro en sentido longitudinal con su extremo saliente por el extremo aproximadamente semiesférico (16) del cabezal (1). 2. Device for extracting solid waste by rectal route according to claim 1, characterized in that the head has a cylindrical sleeve (15) around the central tube (13), housing a folded membrane (19) made of flexible and elastic material approximately conical in the space between the jacket (15) and the central tube (13), so that said membrane (19) expands outwards and recovers its original shape when the cylindrical jacket (15) moves longitudinally backwards. 3. Device for extracting solid waste by rectal route according to claims 1 and 2, characterized in that the head (1) has an approximately hemispherical shape at its end (16), as well as some holes (17) in the vicinity of said end. 4. Device for extracting solid waste by rectal route according to claims 1, 2 and 3, characterized in that the space inside the head (1) contained between the central tube (13) and the wall of the jacket (15) is joined with the outside through a conduit connected to a valve (18). 5. Device for extracting solid waste by rectal route according to claims 1, 2 and 3, characterized in that through the space inside the head (1) contained between the central tube (13) and the wall of the jacket (15) inserts a supply tube (20) lengthwise with its protruding end through the roughly hemispherical end (16) of the head (1).
6. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 2 y 5, caracterizado porque en el extremo del tubo de suministro6. Device for extracting solid waste by rectal route according to claims 1, 2 and 5, characterized in that at the end of the supply tube
(20) va situada una válvula que cierra la salida de dicho tubo (20) en presencia de una presión exterior superior a la interior del tubo (20). (20) a valve is located that closes the outlet of said tube (20) in the presence of an external pressure greater than the internal pressure of the tube (20).
7. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 2 y 5, caracterizado porque el extremo interior del tubo de suministro (20) está conectado por el exterior atravesando la pared de la camisa (15) del cabezal (1) a través de un conducto conectado con una válvula (22). 7. Device for extracting solid waste rectally according to claims 1, 2 and 5, characterized in that the inner end of the supply tube (20) is connected on the outside through the wall of the jacket (15) of the head (1 ) through a conduit connected to a valve (22).
8. Dispositivo de extracción de residuos sólidos por vía rectal según la reivindicación 1 , caracterizado porque la conexión entre el cabezal (1 ) y el tubo de conducción (2) se realiza a través de un acoplamiento (4) formado por un elemento macho (23) unido al cabezal (1 ) y un elemento hembra (24) unido al tubo de conducción (2) o viceversa, dentro de los cuales se produce la conexión entre el tubo central (12) del cabezal y el tubo de conducción (2), y entre los rotores (14) y (3) a través de un acoplamiento (25) entre sus ejes. 8. Device for extracting solid waste rectally according to claim 1, characterized in that the connection between the head (1) and the conduction tube (2) is made through a coupling (4) formed by a male element ( 23) attached to the head (1) and a female element (24) attached to the conduction tube (2) or vice versa, within which the connection between the central tube (12) of the head and the conduction tube (2) is produced. ), and between the rotors (14) and (3) through a coupling (25) between their shafts.
9. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 y 8, caracterizado porque pueden acoplarse en serie varios tubos de conducción (2) y rotores con tornillo sinfín (3) a través de acoplamientos (4), teniendo cada tubo de conducción (2) un elemento macho (23) en un extremo y un elemento hembra (24) en el otro. 9. Device for extracting solid waste by rectal route according to claims 1 and 8, characterized in that several driving tubes (2) and worm screw rotors (3) can be coupled in series through couplings (4), each tube having conduit (2) a male element (23) at one end and a female element (24) at the other.
10. Dispositivo de extracción de residuos sólidos por vía rectal según la reivindicación 1 , caracterizado porque el tubo de conducción está conectado a un tubo de salida (7) a través de un racor (6). 10. Device for extracting solid waste by rectal route according to claim 1, characterized in that the driving tube is connected to an outlet tube (7) through a fitting (6).
11 . Dispositivo de extracción de residuos sólidos por vía rectal según la reivindicación 1 , caracterizado porque el motor (5) está fijado al racor (6) de forma que su eje está acoplado con el eje del rotor con tornillo sinfín (3). eleven . Device for extracting solid waste by rectal route according to claim 1, characterized in that the motor (5) is fixed to the fitting (6) such that its axis is coupled with the axis of the worm screw rotor (3).
12. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 y 10, caracterizado porque el tubo de salida está conectado con un depósito de residuos (8). 12. Device for extracting solid waste by rectal route according to claims 1 and 10, characterized in that the outlet tube is connected to a waste tank (8).
13. Dispositivo de extracción de residuos sólidos por vía rectal según la reivindicación 1 caracterizado porque la activación del motor rotativo (5) se realiza por medio de un pulsador (26) conectado a través de un cable con dicho motor (5). 13. Device for extracting solid waste by rectal route according to claim 1, characterized in that the activation of the rotary motor (5) is carried out by means of a button (26) connected via a cable to said motor (5).
14. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10 y 12 caracterizado porque el depósito de residuos (8) tiene una válvula de vaciado (10). 14. Device for extracting solid waste rectally according to claims 1, 10 and 12, characterized in that the waste tank (8) has an emptying valve (10).
15. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10, 12 y 14, caracterizado porque el depósito de residuos (8) tiene un indicador de nivel de llenado (9). 15. Device for extracting solid waste rectally according to claims 1, 10, 12 and 14, characterized in that the waste tank (8) has a fill level indicator (9).
16. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10, 12 y 14, caracterizado porque el depósito de residuos (8) contiene un fluido (27) que absorbe los malos olores. 16. Device for extracting solid waste by rectal route according to claims 1, 10, 12 and 14, characterized in that the waste tank (8) contains a fluid (27) that absorbs bad odours.
17. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10, 12 y 14, caracterizado porque el depósito de residuos (8) tiene en su base unas ruedas (31) y en su parte superior un asa (32) de forma que puede ser arrastrado para su desplazamiento. 17. Device for extracting solid waste rectally according to claims 1, 10, 12 and 14, characterized in that the waste tank (8) has wheels (31) at its base and a handle (32) at its top. so that it can be dragged for displacement.
18. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10, 12 y 14, caracterizado porque el depósito de residuos (8) tiene adosadas exteriormente en una de sus paredes unas correas (33) que permiten que sea portado a modo de mochila. 18. Device for extracting solid waste by rectal route according to claims 1, 10, 12 and 14, characterized in that the waste tank (8) has straps (33) attached externally to one of its walls that allow it to be carried by backpack mode.
19. Dispositivo de extracción de residuos sólidos por vía rectal según las reivindicaciones 1 , 10, 12 y 14, caracterizado porque la salida de la válvula de vaciado (10) está conectada con un conducto de extracción (11) a su vez conectado a través una llave de conexión (12) con una tubería de circulación de residuos (30) que está a presión inferior a la atmosférica. 19. Device for extracting solid waste by rectal route according to claims 1, 10, 12 and 14, characterized in that the outlet of the emptying valve (10) is connected to an extraction conduit (11) in turn connected through a connection faucet (12) with a waste circulation pipe (30) that is at less than atmospheric pressure.
PCT/ES2021/070144 2021-02-26 2021-02-26 Device for removing solid waste rectally WO2022180285A1 (en)

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