WO2022229485A1 - Mechanism for blood bags - Google Patents

Mechanism for blood bags Download PDF

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Publication number
WO2022229485A1
WO2022229485A1 PCT/ES2022/070253 ES2022070253W WO2022229485A1 WO 2022229485 A1 WO2022229485 A1 WO 2022229485A1 ES 2022070253 W ES2022070253 W ES 2022070253W WO 2022229485 A1 WO2022229485 A1 WO 2022229485A1
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WO
WIPO (PCT)
Prior art keywords
blood
bag
chamber
access
bags
Prior art date
Application number
PCT/ES2022/070253
Other languages
Spanish (es)
French (fr)
Inventor
Consuelo Gazol Azara
Original Assignee
Consuelo Gazol Azara
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 Consuelo Gazol Azara filed Critical Consuelo Gazol Azara
Publication of WO2022229485A1 publication Critical patent/WO2022229485A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/02—Blood transfusion apparatus
    • 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
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor

Definitions

  • the present invention refers to a mechanism applicable to blood bags, very simple but very useful, since it would allow improving the use of a vital resource such as blood.
  • the object of this invention is to provide a hitherto unknown solution for several drawbacks that will be discussed later, mainly, it is intended to achieve a final result that allows a patient to take advantage of all the blood available in a blood bag, while less blood is required from the donor.
  • blood is a limited vital resource, so it is essential to make the most of it.
  • the proposed invention aims to provide an economical, practical, simple and easy-to-use solution, the effect of which would be the maximum use of the blood available in the bags used for transfusions.
  • the present invention has its field of application in the health sector, and more specifically in that of blood transfusions.
  • a device for sampling biological fluid comprising: an absorbent probe; and a support connected to the probe; wherein the holder extends along a longitudinal axis, having a smaller diameter first end that is closed and a larger diameter second end that is open and sized to fit and nest with a pipette tip, further wherein the absorbent probe is placed at the first end of the holder; wherein the support further comprises three ribs spaced equally around the support, the ribs extending along the length of the support along the axis, between the first end and the second end of the support; wherein each of the ribs comprises a notch facing the first end at the same position along the longitudinal axis; wherein the absorbing probe comprises chromatographic particles.
  • document ES 2 055 716 provides a method for dividing a previously chosen phase of a liquid sample comprising the steps of: containing in an elongated chamber that has a virtually constant cross-sectional area, a sample of liquid having a plurality of phases of different densities; order the phases of the sample by rotating the camera around an axis; and, while ordering the phases, reducing the volume of the chamber by reducing the length of the chamber, characterized by the steps of: containing the liquid sample in an elongated element the size of a centrifuge tube; zonally arranging the plurality of phases by rotating the chamber about its longitudinal axis; reducing the volume of the chamber in response to a separation control signal; receiving from the chamber, in phase order, the portion of the sample volume that exceeds the volume reduction capacity of the chamber; deriving phase separation information regarding the portion of the sample that is received from the chamber; and modifying the separation control signal by comparing the derived information with reference information to further reduce, hold constant, or increase the volume of the
  • the present invention is constituted from the following elements:
  • a blood bag that preferably has an access in its upper area, with a punch or rod attached to a drip chamber being inserted into said hole, while at the distal end a second punch or rod is connected to a bag of physiological saline.
  • the operation is simple. In order to optimize the available blood resources, once the blood bag has been emptied, the drip chamber is connected on one side to the physiological saline bag and on the other to the blood bag through the access. This makes the physiological saline adequately clean the blood bag, making the most of its content.
  • a preferred embodiment of the proposed invention is constituted from the following elements: a blood bag (1) that has an access (2) preferably in its upper area, a punch or rod (3) coupled to said hole being inserted to a drip chamber (4), while at the distal end a second spike or rod (5) is connected to a bag of physiological serum (6).

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The invention relates to a mechanism made up of a blood bag with an access, preferably at the top of the bag, with a spike or stem inserted into this access and coupled to a drip chamber, while at the distal end a second spike or stem is connected to a bag of physiological saline solution.

Description

DESCRIPCIÓN DESCRIPTION
MECANISMO PARA BOLSAS DE SANGRE MECHANISM FOR BLOOD BAGS
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente invención, tal como se indica en el título, se refiere a un mecanismo aplicable a bolsas de sangre, muy sencillo pero de gran utilidad, ya que permitiría mejorar el aprovechamiento de un recurso vital como es la sangre. The present invention, as indicated in the title, refers to a mechanism applicable to blood bags, very simple but very useful, since it would allow improving the use of a vital resource such as blood.
El objeto de esta invención es aportar una solución hasta ahora desconocida para varios inconvenientes que se comentarán más adelante, principalmente, se pretende lograr un resultado final que permita que un paciente pueda aprovechar toda la sangre disponible en una bolsa de sangre, a la vez que se requiere menos sangre de parte del donante. The object of this invention is to provide a hitherto unknown solution for several drawbacks that will be discussed later, mainly, it is intended to achieve a final result that allows a patient to take advantage of all the blood available in a blood bag, while less blood is required from the donor.
El elemento en cuestión aporta esenciales características de novedad y notables ventajas con respecto a los medios conocidos y utilizados para los mismos fines en el estado actual de la técnica. The element in question provides essential characteristics of novelty and notable advantages with respect to the means known and used for the same purposes in the current state of the art.
Lamentablemente se ha incrementado la necesidad de transfusiones sanguíneas tanto en hospitales como en todo tipo de centros de atención médica. Unfortunately, the need for blood transfusions has increased both in hospitals and in all types of health care centers.
Ya sea por causa de una operación, o por accidentes o enfermedades, a diario es necesario realizar transfusiones a pacientes. Whether due to an operation, or due to accidents or illnesses, it is necessary to transfuse patients on a daily basis.
Como es sabido, la sangre es un recurso vital limitado, por lo que es fundamental aprovecharla al máximo. As is known, blood is a limited vital resource, so it is essential to make the most of it.
Por este motivo, en la actualidad, en los circuitos de transfusión se introduce suero fisiológico de manera a no desperdiciar nada de sangre. For this reason, at present, physiological serum is introduced in the transfusion circuits so as not to waste any blood.
Sin embargo, por otro lado, este sistema de máximo aprovechamiento no se aplica a las bolsas de sangre ya que, hasta el momento, debido a la estructura de dichas bolsas, no había una forma de hacerlo. However, on the other hand, this maximum utilization system does not apply to blood bags since, until now, due to the structure of said bags, there was no way to do it.
Esto presenta el inconveniente de que en las bolsas queda restos de sangre no utilizada, lo cual, no sólo está privando de sangre al paciente que recibe la transfusión, sino también, por otro lado, exige que el donante done aún más sangre, lo que no incentiva las donaciones y puede ocasionar que el donante empiece a encontrarse mal. This has the drawback that unused blood remains in the bags, which is not only depriving the patient receiving the transfusion of blood, but also, on the other hand, requires the donor to donate even more blood, which it does not encourage donations and can cause the donor to start feeling unwell.
Hasta ahora no se conocía un mecanismo que permita aprovechar apropiadamente las bolsas de sangre, con todos los inconvenientes que esto conlleva. Until now, a mechanism was not known that allows the proper use of blood bags, with all the inconveniences that this entails.
El sistema que la invención propone resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, aportando una serie de ventajosas y novedosas características, y sin que ello suponga merma alguna de sus prestaciones en otros aspectos. The system that the invention proposes solves the aforementioned problems in a fully satisfactory manner, providing a series of advantageous and novel characteristics, and without implying any reduction in its benefits in other aspects.
La invención propuesta pretende aportar una solución económica, práctica, sencilla y de fácil utilización, cuyo efecto sería el máximo aprovechamiento de la sangre disponible en las bolsas utilizadas para transfusiones. The proposed invention aims to provide an economical, practical, simple and easy-to-use solution, the effect of which would be the maximum use of the blood available in the bags used for transfusions.
La presente invención tiene su campo de aplicación en el sector sanitario, y más concretamente en el de las transfusiones sanguíneas. The present invention has its field of application in the health sector, and more specifically in that of blood transfusions.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
En el estado de la técnica encontramos algunos documentos relacionados con la invención que se propone, aunque ninguno de ellos cumple la misma función ni aporta las mismas características ventajosas. In the state of the art we find some documents related to the proposed invention, although none of them fulfill the same function or provide the same advantageous characteristics.
Así, en el documento ES 2 691 535 encontramos un dispositivo para el muestreo de fluido biológico, que comprende: una sonda absorbente; y un soporte conectado a la sonda; en el que el soporte se extiende a lo largo de un eje longitudinal, que tiene un primer extremo de menor diámetro que está cerrado y un segundo extremo de mayor diámetro que está abierto y dimensionado para encajar y anidar con la punta de una pipeta, además en el que la sonda absorbente se coloca en el primer extremo del soporte; en el que el soporte comprende además tres nervaduras separadas por espacios iguales alrededor del soporte, las nervaduras se extienden a lo largo de la longitud del soporte a lo largo del eje, entre el primer extremo y el segundo extremo del soporte; en donde cada una de las nervaduras comprende una muesca orientada hacia el primer extremo en la misma posición a lo largo del eje longitudinal; en el que la sonda absorbente comprende partículas cromatográficas. Thus, in document ES 2 691 535 we find a device for sampling biological fluid, comprising: an absorbent probe; and a support connected to the probe; wherein the holder extends along a longitudinal axis, having a smaller diameter first end that is closed and a larger diameter second end that is open and sized to fit and nest with a pipette tip, further wherein the absorbent probe is placed at the first end of the holder; wherein the support further comprises three ribs spaced equally around the support, the ribs extending along the length of the support along the axis, between the first end and the second end of the support; wherein each of the ribs comprises a notch facing the first end at the same position along the longitudinal axis; wherein the absorbing probe comprises chromatographic particles.
Por otro lado, en el documento ES 2 055 716 se aporta un método para dividir una fase previamente elegida de una muestra de líquido que comprende las etapas de: contener en una cámara alargada que tiene un área en sección transversal virtualmente constante, una muestra de líquido que tiene una pluralidad de fases de densidades diferentes; ordenar las fases de la muestra haciendo girar la cámara alrededor de un eje; y, mientras se ordenan las fases, reducir el volumen de la cámara reduciendo la longitud de la cámara, caracterizado por las etapas de: contener la muestra de líquido en un elemento alargado del tamaño de un tubo de centrifugadora; ordenar zonalmente la pluralidad de las fases haciendo girar la cámara alrededor de su eje longitudinal; reducir el volumen de la cámara en respuesta a una señal de control de separación; recibir de la cámara, en orden de fase, la porción del volumen de la muestra que sobrepase el volumen de capacidad de reducción de la cámara; derivar información de separación de fases respecto a la porción de la muestra que se recibe de la cámara; y modificar la señal de control de separación por comparación de la información derivada con información de referencia para reducir aun más, mantener constante, o aumentar el volumen de la cámara. On the other hand, document ES 2 055 716 provides a method for dividing a previously chosen phase of a liquid sample comprising the steps of: containing in an elongated chamber that has a virtually constant cross-sectional area, a sample of liquid having a plurality of phases of different densities; order the phases of the sample by rotating the camera around an axis; and, while ordering the phases, reducing the volume of the chamber by reducing the length of the chamber, characterized by the steps of: containing the liquid sample in an elongated element the size of a centrifuge tube; zonally arranging the plurality of phases by rotating the chamber about its longitudinal axis; reducing the volume of the chamber in response to a separation control signal; receiving from the chamber, in phase order, the portion of the sample volume that exceeds the volume reduction capacity of the chamber; deriving phase separation information regarding the portion of the sample that is received from the chamber; and modifying the separation control signal by comparing the derived information with reference information to further reduce, hold constant, or increase the volume of the chamber.
En estos documentos encontramos métodos y sistemas relacionados con fluidos biológicos, sin embargo, ninguno resuelve los inconvenientes comentados a lo largo de esta memoria descriptiva. In these documents we find methods and systems related to biological fluids, however, none resolves the drawbacks discussed throughout this specification.
Así vemos, que hasta ahora no se conocía un accesorio que por sus novedosas características resuelva los inconvenientes mencionados anteriormente tanto en cuanto a los documentos citados como a otras invenciones o artículos tradicionales que encontramos en el estado de la técnica. Thus, we see that until now an accessory was not known that, due to its innovative characteristics, resolves the aforementioned drawbacks both in terms of the documents cited and other inventions or traditional articles that we find in the state of the art.
Tomando en consideración los casos mencionados y analizados los argumentos conjugados, con la invención que se propone en este documento se da lugar a un resultado final en el que se aportan aspectos diferenciadores significativos frente al estado de la técnica actual, y donde se aportan una serie de avances en los elementos ya conocidos con sus ventajas correspondientes. Taking into consideration the mentioned cases and analyzing the conjugated arguments, with the invention proposed in this document, a final result is given in which significant differentiating aspects are provided compared to the current state of the art, and where a series of of advances in the already known elements with their corresponding advantages.
En particular: In particular:
Se logra aprovechar al máximo la sangre disponible para el paciente. Se puede exigir una menor cantidad de sangre al donante, favoreciendo que se aumenten las donaciones y evitando que algunos donantes se encuentren mal debido al volumen de la donación. It is possible to make the most of the blood available to the patient. A smaller amount of blood can be required from the donor, favoring an increase in donations and preventing some donors from feeling unwell due to the volume of the donation.
Es un mecanismo muy sencillo de utilizar. It is a very simple mechanism to use.
Es económico. It's economic.
Implica un procedimiento rápido de realizar y que no requiere una formación adicional. It involves a quick procedure to perform and does not require additional training.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
Así, la presente invención está constituida a partir de los siguientes elementos:Thus, the present invention is constituted from the following elements:
Una bolsa de sangre que dispone de un acceso preferiblemente en su zona superior, estando insertado en dicho orificio un punzón o vástago acoplado a una cámara de goteo, a la vez que en el extremo distal un segundo punzón o vástago se halla conectado a una bolsa de suero fisiológico. A blood bag that preferably has an access in its upper area, with a punch or rod attached to a drip chamber being inserted into said hole, while at the distal end a second punch or rod is connected to a bag of physiological saline.
El funcionamiento es sencillo. A fin de optimizar los recursos de sangre disponibles, una vez vaciada la bolsa de sangre, se conecta la cámara de goteo por un lado a la bolsa de suero fisiológico y por otro lado a la bolsa de sangre a través del acceso. Esto hace que el suero fisiológico limpie adecuadamente la bolsa de sangre aprovechando al máximo su contenido. The operation is simple. In order to optimize the available blood resources, once the blood bag has been emptied, the drip chamber is connected on one side to the physiological saline bag and on the other to the blood bag through the access. This makes the physiological saline adequately clean the blood bag, making the most of its content.
BREVE DESCRIPCIÓN DE LOS DIBUJOS Para una mejor comprensión de esta memoria descriptiva se acompaña un dibujo que a modo de ejemplo no limitativo, describe una realización preferida de la invención: BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding of this description, a drawing is attached that, by way of non-limiting example, describes a preferred embodiment of the invention:
Figura 1.- Vista en alzado de la invención. Figure 1.- Elevation view of the invention.
En dichas figuras se destacan los siguientes elementos numerados: 1. Bolsa de sangre In said figures, the following numbered elements stand out: 1. Blood bag
2. Acceso 2. Access
3. Punzón o vástago a bolsa de sangre 3. Punch or stem to blood bag
4. Cámara de goteo 4. Drip chamber
5. Punzón o vástago a suero fisiológico 6. Bolsa de suero fisiológico 5. Punch or stem to physiological saline 6. Saline saline bag
REALIZACIÓN PREFERIDA DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION
Una realización preferida de la invención propuesta se constituye a partir de los siguientes elementos: una bolsa de sangre (1) que dispone de un acceso (2) preferiblemente en su zona superior, estando insertado en dicho orificio un punzón o vástago (3) acoplado a una cámara de goteo (4), a la vez que en el extremo distal un segundo punzón o vástago (5) se halla conectado a una bolsa de suero fisiológico (6). A preferred embodiment of the proposed invention is constituted from the following elements: a blood bag (1) that has an access (2) preferably in its upper area, a punch or rod (3) coupled to said hole being inserted to a drip chamber (4), while at the distal end a second spike or rod (5) is connected to a bag of physiological serum (6).

Claims

REIVINDICACIONES
1.- MECANISMO PARA BOLSAS DE SANGRE, caracterizado por estar constituido a partir de una bolsa de sangre que dispone de un acceso preferiblemente en su zona superior, estando insertado en dicho acceso un punzón o vástago acoplado a una cámara de goteo, a la vez que en el extremo distal un segundo punzón o vástago se halla conectado a una bolsa de suero fisiológico. 1.- MECHANISM FOR BLOOD BAGS, characterized by being constituted from a blood bag that has an access preferably in its upper area, being inserted in said access a punch or rod coupled to a drip chamber, at the same time that at the distal end a second spike or rod is connected to a bag of physiological serum.
PCT/ES2022/070253 2021-04-27 2022-04-26 Mechanism for blood bags WO2022229485A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES202130855U ES1269334Y (en) 2021-04-27 2021-04-27 BLOOD BAG MECHANISM
ESU202130855 2021-04-27

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WO2022229485A1 true WO2022229485A1 (en) 2022-11-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923293A (en) * 1955-08-15 1960-02-02 Baxter Laboratories Inc Dispensing closure
US4259952A (en) * 1978-06-22 1981-04-07 Avoy Donald R Blood diluting method and apparatus
US4623334A (en) * 1983-03-07 1986-11-18 Vanderbilt University Intravenous drug infusion apparatus
US4863454A (en) * 1987-10-16 1989-09-05 Labove Larry D Dual bag intravenous preparation system
CN203139245U (en) * 2013-04-01 2013-08-21 安茜 Multifunctional blood transfusion bag
CN212817444U (en) * 2020-03-06 2021-03-30 北京商泽永通科技发展有限公司 Self-stopping lengthened transfusion device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923293A (en) * 1955-08-15 1960-02-02 Baxter Laboratories Inc Dispensing closure
US4259952A (en) * 1978-06-22 1981-04-07 Avoy Donald R Blood diluting method and apparatus
US4623334A (en) * 1983-03-07 1986-11-18 Vanderbilt University Intravenous drug infusion apparatus
US4863454A (en) * 1987-10-16 1989-09-05 Labove Larry D Dual bag intravenous preparation system
CN203139245U (en) * 2013-04-01 2013-08-21 安茜 Multifunctional blood transfusion bag
CN212817444U (en) * 2020-03-06 2021-03-30 北京商泽永通科技发展有限公司 Self-stopping lengthened transfusion device

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ES1269334Y (en) 2021-09-22

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