WO1995028881A1 - Needle and tube-carrier assembly - Google Patents

Needle and tube-carrier assembly Download PDF

Info

Publication number
WO1995028881A1
WO1995028881A1 PCT/ES1995/000047 ES9500047W WO9528881A1 WO 1995028881 A1 WO1995028881 A1 WO 1995028881A1 ES 9500047 W ES9500047 W ES 9500047W WO 9528881 A1 WO9528881 A1 WO 9528881A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
tube
tube holder
blood
area
Prior art date
Application number
PCT/ES1995/000047
Other languages
Spanish (es)
French (fr)
Inventor
José Carlos GIMENA APARICIO
María Dolores TORRICO INVERNON
Francisco Cabrera De Castro
Original Assignee
Gimena Aparicio Jose Carlos
Torrico Invernon Maria Dolores
Francisco Cabrera De Castro
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 Gimena Aparicio Jose Carlos, Torrico Invernon Maria Dolores, Francisco Cabrera De Castro filed Critical Gimena Aparicio Jose Carlos
Priority to AU22586/95A priority Critical patent/AU2258695A/en
Publication of WO1995028881A1 publication Critical patent/WO1995028881A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150488—Details of construction of shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0045—Devices for taking samples of body liquids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/15003—Source of blood for venous or arterial blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
    • A61B5/154—Devices using pre-evacuated means

Definitions

  • the present specification refers to a patent application for invention relating to a modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, the obvious purpose of which is to ensure that patients undergoing blood extractions or similar, benefit from the set of needle and tube holder, reducing the sensation of pain manifested in the puncture and obtaining at the same time a substantial improvement in the quality of the sample to be analyzed, when it is collected in optimal conditions for its analysis, canceling the possibility of hemolysis and at the same time getting the professional to improve the conditions of approach to the puncture area, having a greater ease in the maneuver by having a better visualization of the area and the blood drawn to through a control chamber contemplated in the invention, which ensures success in the application.
  • This invention has its application within the industry dedicated to the manufacture of tools and accessories for medicine, especially for blood extractions.
  • VACUTAINER The sterile blood collection system known as "VACUTAINER” marketed by the firm BECTON DICKINSON, S.A. is known as the most recent record.
  • VENO-JET sterile blood collection system
  • TERUMO firm TERUMO
  • VACUTAINER blood collection system as well as in the one known as VENOJET, identical designs and characteristics are used, in terms of the extraction mechanism and philosophy.
  • a needle provided with a collecting system, that is to say by tubes, which in relation to the sterile blood collection system, whose novelty will be based on the adoption by the needle in a manner similar to that of a bayonet, thus causing a solution of continuity in the steely material of the needle, segmenting it into two fragments, one anterior that facilitates the extraction in the patient and another posterior designed for puncture in the collecting tube in the fluid, intercalates ⁇ laying between them a piece of transparent plastic material that places both fragments in parallel planes.
  • the invention should be complemented with the sterile system in such a way that, lacking an anterior needle, the intermediate piece becomes part of the collecting system itself forming a single block and ending in its anterior area in a cone that allows its connection to any type of Conventional needle, achieving an application substantially superior to those used.
  • connection point with the collecting device that is to say with the tube holder
  • the tube holder should have a "clip" connection, not a thread like the one used conventionally, and unlike previous models, the rear wings of the tube holder should have a turn totally free and not be located in a fixed way as in conventional models.
  • the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids that the invention proposes constitutes by itself a remarkable novelty within the field of medicine in which it is incorporated, since it does not allow its action similarly to the decanted as suitable in order to perform the extraction of blood or other organic fluids contemplating vacuum extraction, eliminates all problems or at least effectively pallia most of them, found so far.
  • the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids object of the invention is constituted by two fundamental elements. Namely:
  • the set of needle and tube holder has the possibility of being coupled by thread or clip
  • clip allowing once coupled to each other, to channel any peripheral vein of small, medium or large caliber, being able to attach any of the vacuum extraction tubes existing in the current market, substantially improving their extraction capacity.
  • the needle has the following fully defined areas:
  • a bevelled anterior needle at its end a needle that can have different sizes for its assembly, according to the type of vein that will be channeled.
  • the beveled needle has one of its ends in a racord that adopts the delta wing configuration if the racord itself is contemplated from the top plane or in plan, allowing the unidirectionality of the puncture path, which gives a greater security to the specialist who is performing the extraction.
  • the racord In the anterior area, the racord is connected to the back of the needle (not beveled) and sealed with plastic material.
  • the record is made of transparent plastic material and has a drain in its central area forming a curved area parallel to the upper plane of the record in question, being of equal size to that of the mounted needle, allowing at all times the visualization of blood flow, when This is presented once the vein is channeled, ensuring puncture.
  • a zone of fixation of the needle to the tube holder that allows to use the two fixation systems mentioned above, that is to say, the conventional thread system or the clip or clip anchor system.
  • the conventional thread system for coupling of the tube holder is located in the highest area of the record, displacing the continuity plane of the rear needle with that of the previous needle, which gives the invention its originality and gives it a greater safety in handling it for the operator or specialist who performs the extraction, thus achieving the channeling of fine gauge veins, reducing the minimum puncture angle from 15s used so far, until practically reaching 02, while reducing the sensation of pain experienced by the patient by reducing contact with superficial nerve endings.
  • the thread is replaced by a piece that adopts the configuration of a cube or parallelepiped, on whose sides there are wedges provided with a flange or fixing areas to the internal clips of which the cone of the tube holder is provided, cone preferably made of plastic material and which has a plurality of advantages for the manipulator and for the patient facilitating its handling.
  • rear cone of the rear needle is made of plastic material and has the double mission of serving on one side of the stopper tube, while on the other it acts as a support for the rubber sheath that will wrap the rear needle for protection and subsequent slides I lie when the extractor tube is punctured.
  • the rear needle is also bevelled but unlike the needles used so far, the bezel is intended solely and exclusively to allow the perforation of the rubber cap of the extraction tube, being closed at its end.
  • This needle has two perforations or elliptical holes located in opposite planes, intended to facilitate rapid filling of the extraction tube and at the same time make it impossible to hemolysis in the sample, since it is configured as an application that complies with the precept known within the health field, that the blood drawn should slide smoothly or lightly through the walls of the tube.
  • the gauge of the posterior needle is similar to that of the anterior needle.
  • the tube holder is the complementary element to the needle and is configured as a hollow cylinder made of transparent plastic material, which has a female cone connecting to the tube holder that can be presented just like the needle described above in two ways. Namely:
  • the female thread cone centered on the anterior needle of the tube holder, in which the needle will be fixed by a simple turning operation, this female thread cone being configured as a system similar to the one currently used.
  • the female cone may be provided with a clip or clip system or device, of cubic structure, located in the central area of the front face of the tube holder, on whose faces it has a spring of teeth of plastic material that will hook the one of each of the faces of the needle connection area.
  • this device allows the use of the tube holder, a new tube holder must be used for extraction, an action that ensures a total aseptic extraction procedure, facilitating the assembly of the invention as it is constituted as a simple pressure operation and not rotation.
  • a cushion pad made of foam rubber with a suitable thickness and an external diameter similar to the diameter of the inside of the tube holder, pad that has in its central zone through hole through which the passage of the needle and rear cone and which has a fold formed by the protective rubber of the rear needle when pressed by the extraction tube.
  • This device is located at the bottom of the tube holder, having its main mission in damping the potential shock of the extraction tube against the bottom of the tube holder, which frequently and in the current extraction systems causes painful discomfort to patients, which can be totally avoided by the incorporation of this pad body that acting as a shock absorber makes this maneuver imperceptible on the patient.
  • non-slip groove located on the front face of the tube holder, which has a multi-groove designed to prevent sliding. accidental settling of the assembly into the vein, which would undoubtedly cause total needle penetration into the vein section, with the consequent loss of blood flow.
  • some fins for fixing the tube holder are provided, whose mission is to fix the tube to the tube holder by placing the index and middle fingers on each of them to make the tube penetrate the rear needle with the novelty and due to technical difficulties that the experience confirms, that since it is not possible to match the number of turns with the thread cone system, so that the said fins are located horizontally to the plane of the skin and not vertical, canceling problems found today and being configured as a ring provided with two lateral fins coupled by pressure to the back of the tube holder, which allows its placement according to the needs of the specialist.
  • a second embodiment and in order to reduce the manufacturing cost of the object of the invention, it may be constituted as a set that adopts the general configuration of portable device, constituted in a single piece and which in addition to more concrete is constituted or endowed with three defined zones. Namely:
  • Anterior area consisting of a piece preferably made of transparent plastic material, which adopts the general shape of a delta wing on its lower face, provided or provided with a truncated cone, which will allow the connection of the needle at its narrowest end by simple pressure.
  • the upper edge of the piece is born at the upper end of the truncated cone and extends up to a few millimeters above the geometric center of the front face of the middle area of the tube holder, this edge being flat and curved .
  • the view of the anterior area is completely flat and wider in the area attached to the anterior face of the central area of the laptop, this plane being attached to the lower outer edge of the anterior face of the area tube holder center.
  • the middle area of the tube holder is connected to the previous area described above, made of transparent plastic material.
  • the middle area has a hollow cylindrical shape, being endowed with different sizes according to the application of the same, presenting a circular and perforated front face in its center, point from which an extension of the same or similar is projected that takes the form pointed at its end and that will allow the perforation of the sample collection tubes, being provided with two lateral holes that will allow the acquired sample to slide through the walls of the tube.
  • This extension can be replaced by a needle of identical characteristics made of metal, and whose point of attachment to the center of the front face of the tube holder can be done by sealing or by the adoption of a circular platform fixed by pressure to an internal flange of the front face of the tube holder itself.
  • the invention has in the rear area a configuration of tongues, located one on each side of the tube holder at its opposite end to the needle and perpendicular to the tube holder itself, which will serve to the fixation of the tube holder during the tube change maneuver, these acquiring a transverse direction to the middle axis of the assembly seen from its upper and lower plane.
  • the anterior zone is crossed and emptied in its center from the narrow end of the truncated cone to the center of the anterior face of the tube holder, acquiring the different curved planes parallel to the path followed by the upper edge of the anterior zone and up to its connection in the central point of the front face of the tube holder, extending this emptying along the entire length of the extension or rear needle.
  • Figure 1 shows an overview of the different elements that make up the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids object of the invention in a first embodiment.
  • Figure 2 Corresponds to a side elevation view of the needle in bayonet for vacuum extraction contemplated in the invention and represented together with the other elements in Figure 1.
  • Figure 3. Represents a plan view of the object shown in Figure 1.
  • Figure 4.- Shows again a plan view of the area opposite to that shown in figure 3 of the object as a whole represented in figure 1.
  • Figure 5. Corresponds to a side elevation view of the object represented in the previous figures, incorporating a fastening system to the tube holder type clips.
  • Figure 6. Shows a view of the tube holder itself.
  • Figure 7 Corresponds to the end of the tube holder shown in Figure 6, equipped with a clip-like fixing device.
  • Figure 8 shows a front view of the object represented in Figure 7.
  • Figure 9 shows a side elevational view of the object of the invention relative to the second embodiment thereof.
  • Figure 10. Shows a plan view through the lower area of the object represented in Figure 9.
  • Figure 11. Corresponds to a plan view through the upper area of the object represented in Figure 9.
  • Figure 12.- Shows a side elevation view of the object shown in Figure 9 in which - 14 -
  • Figure 13 Corresponds finally to a view similar to that shown in Figure 12, at the time at which the sample tube is removed.
  • the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids in its first embodiment is configured from a bayonet needle (1) and a tube holder (10 ) in which the extraction tube or sample tube (20) is incorporated.
  • the beveled needle (4) is attached to a transparent racket (2) with lateral wings and emptied in the center.
  • a canalization (4 ') through which the blood flow will pass and will be visualized immediately by the specialist to become a record (2) in a transparent material.
  • the needle record (2) adopts the delta wing plantar configuration, facilitating the unidirectionality of the puncture path, consequently obtaining the specialist who performs the extraction greater safety during the venipuncture operation.
  • the anterior area of the record (3) connects with the posterior mark of the needle (4) not beveled and sealed with plastic material, the record (3) being as previously said of a transparent plastic material and which has a recess (4 1 ) in its central area forming a curve parallel to the upper plane of the racord (3) of equal gauge to that of the needle (4) mounted in its anterior zone, allowing at all times as indicated above the visualization of the blood or fluid when channeled from the vein or where appropriate ensuring consistent puncture.
  • the fixing area (3) of the bevelled needle (4) to the tube holder allows the use of the conventional thread system for coupling of the tube holder, located in the highest area of the record (3), displacing the continuity plane of the rear needle (6) with that of the anterior needle (5), enhancing its originality and safety in handling for the specialist, thus managing to channel veins of very small caliber by reducing the minimum puncture angle from 152 to practically 02, while reducing the painful sensation to the patient, as the existing contact with superficial nerve endings is less.
  • the needle or needle assembly (1) has a rear cone (5) for the connection of the rear needle (6) which is also made of plastic material, a cone that has the double mission of serving on one side of the extractor tube (20) and to support the rubber sheath that will wrap the rear needle (6) for its protection and subsequent sliding when punctured in extractor tube (20).
  • the rear needle (6) is configured in a beveled manner, but has the substantial difference with those used so far and existing in the market, that the bevel carried by the rear needle (6) has only the mission of perforating the rubber of the cap (21) of the extraction tube (20), being closed at its end.
  • the rear needle (6) has two elliptical holes (7) and (7 1 ), located in opposite planes, which have the mission of facilitating the filling of the extraction tube (20) more quickly and at the same time. at the same time avoid the appearance of hemolysis in the sample, since the blood drawn will slide smoothly through the walls of the tube.
  • the gauge of the needle (6) is similar to the gauge of the previous needle (5).
  • the tube holder (10) is the complementary element to the needle (1), which configures with it the modified needle and tube assembly for vacuum extraction of blood and other organic fluids, forming the tube holder (10 ) as a hollow cylinder made of transparent plastic material, which has a female cone of connection (13), represented in figure 6, which in this case takes the form of a female cone (13) for the connection of a needle (1), thread type, but that however this cone (13) can be configured as a female thread centered on the front face of the tube holder (10), where the needle (1) will be fixed by turning or as a female cone (13 ') with clip or clip system (14), which takes the cubic form and is located in the central area of the front face of the tube holder (10), which internally has a serrated spring (15) of plastic material that will hook the wedge (15) of each of the faces of the zone d and connection (3 ') located on the needle (1') shown in Figure 5.
  • a serrated spring (15) of plastic material that will hook the wedge (15) of each of the faces of the zone d
  • the tube holder (10) has a cushion pad (11) made of foam rubber, which has an appropriate thickness and an external diameter similar to the internal diameter of the tube holder (10), presenting in its area central a perforation through which the passage of the needle (6) and the rear cone is performed, as well as the withdrawal formed by the protective needle of the rear needle (6) when pressed by the extraction tube (20).
  • a non-slip groove (17) is provided, provided with a plurality of grooves that act as a non-slip area to prevent accidental sliding of the assembly into the vein, which would cause the total penetration of the needle (4) in the vein, with the consequent loss of blood flow.
  • the invention has a rotating clamping wings (12) that act for the fixation of the tube holder, which have the mission of facilitating the performance of the index and middle fingers in each of them to achieve that the tube (20 ) is fitted or fixed on the rear needle (6).
  • the rotating fins (12) are configured as a ring coupled by pressure to the rear of the tube holder (10), which allows its placement according to the needs, not being necessary to use this arrangement of fins, if a tube holder is used ( 10 '), provided with a fixing system (13) for the retention and immobilization of a needle (l 1 ) through the area (3 1 ) with the toothed elements (15).
  • the invention in a second embodiment (21) is constituted from a cone (22) that adopts the configuration of a delta wing seen in plan, which internally it has a pipe (23) and it has a mouth (24) designed to facilitate the incorporation and coupling of any type of needle regardless of whether it is equipped with appropriate dimensional characteristics, provided faced with the pipe (23) a needle (25) duly coated with an elastomeric sheath (26) and emerging into the body of the tube holder (27) through a central hole that passes the protective pad (28) incorporated in the front area of the tube holder (27).
  • the sample collection bottle (30) is fitted with a coupling head (29), which faces the pad (28) and makes the needle (5) pass to Through the elastomeric protection (6), penetrate inside the hollow body (30) and inject its contents and subsequently remove it, leaving the requested sample inside the body (10).

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Needle and tube-carrier assembly modified for the vacuum extraction of blood and other organic fluids, comprising a bayonet-type needle (1, 1') and a tube-carrier (10 or 10'), in association with a tube (20), the needle (1) being comprised of a front bevelled needle (4), a transparent connector with side wings (2), a threaded hollow holding part (3 or 3'), a rear needle connection (5) with external rubber sleeve and a rear needle (6) with closed bevel and side openings, the tube-carrier (10) being provided with a needle connection female cone of the thread type (13) or the clip type (13'), with internal damping pad (11), tube-carrier fixing grooves (17) and rotary fixing wings (12); the tube-carrier may also be formed, in a second embodiment, as a single piece body (27) which presents at one of its extremities an element configured as a delta wing (22) from which arises a cone (24) through which passes a conduit (23) to the inside of the sample-holder tube (27), thereby saving a damping pad (28), the conduit (23) being connected to the needle (25) through which circulates the sample flow to the inside of the sample tube (30), thereby saving a protection head (29).

Description

CONJUNTO DE AGUJA Y PORTATUBOS NEEDLE AND CARRIER SET
D E S C R I P C I Ó ND E S C R I P C I Ó N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente memoria descriptiva se refiere a una solicitud de patente de invención relativa a un conjunto de aguja y portatubos modificado para la extrac¬ ción al vacío de sangre y otros fluidos orgánicos, cuya evidente finalidad es la de lograr que los pacientes sometidos a extracciones sanguíneas o similares, se beneficien del conjunto de aguja y portatubos, reduciendo la sensación de dolor manifestada en la punción y obte¬ niéndose al mismo tiempo una sustancial mejora en la calidad de la muestra a analizar, al ser recogida la misma en condiciones óptimas para su análisis, anulando la posibilidad de hemolisis y al mismo tiempo consiguien¬ do que el profesional mejore las condiciones de abordaje de la zona de punción, teniendo una mayor facilidad en la maniobra al contar con una mejor visualización de la zona y de la sangre extraída a través de una cámara testigo contemplada en la invención, que asegura el acierto en la aplicación.The present specification refers to a patent application for invention relating to a modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, the obvious purpose of which is to ensure that patients undergoing blood extractions or similar, benefit from the set of needle and tube holder, reducing the sensation of pain manifested in the puncture and obtaining at the same time a substantial improvement in the quality of the sample to be analyzed, when it is collected in optimal conditions for its analysis, canceling the possibility of hemolysis and at the same time getting the professional to improve the conditions of approach to the puncture area, having a greater ease in the maneuver by having a better visualization of the area and the blood drawn to through a control chamber contemplated in the invention, which ensures success in the application.
CAMPO DE LA INVENCIÓNFIELD OF THE INVENTION
Esta invención tiene su aplicación dentro de la industria dedicada a la fabricación de útiles y acceso¬ rios para la medicina, especialmente para extracciones sanguíneas. ANTECEDENTES DE LA INVENCIÓNThis invention has its application within the industry dedicated to the manufacture of tools and accessories for medicine, especially for blood extractions. BACKGROUND OF THE INVENTION
Por parte del solicitante se tiene conocimiento como antecedente más reciente el sistema estéril de extracción de sangre, denominado "VACUTAINER" comerciali¬ zado por la firma BECTON DICKINSON, S.A.The sterile blood collection system known as "VACUTAINER" marketed by the firm BECTON DICKINSON, S.A. is known as the most recent record.
También se debe tener en cuenta como anteceden¬ te registral otro sistema estéril de extracción de sangre conocido como "VENO-JET", comercializado por la firma TERUMO, S.A.Another sterile blood collection system known as "VENO-JET", marketed by the firm TERUMO, S.A., must also be taken into account as a record antecedent.
Tanto en el sistema de extracción de sangre VACUTAINER, como en el conocido como VENOJET se emplean diseños y características idénticas, en cuanto al meca¬ nismo y filosofía de extracción.In the VACUTAINER blood collection system, as well as in the one known as VENOJET, identical designs and characteristics are used, in terms of the extraction mechanism and philosophy.
Abundando en los antecedentes históricos, éstos nos remiten a la tradicional jeringa de material plástico o vidrio, con cono lateralizado en cuanto a diseño se refiere.Abundant in the historical background, these refer us to the traditional syringe of plastic or glass material, with lateralized cone in terms of design.
Sin embargo, sería deseable contar con una aguja provista de un sistema colector, es decir por tubos, que en relación al sistema estéril de extracción de sangre, cuya novedad estribará en la adopción por parte de la aguja de una forma similar a la de una bayoneta, provocando de esta forma una solución de continuidad en el material acerado de la aguja, segmen- tándola en dos fragmentos, uno anterior que facilita la extracción en el paciente y otro posterior diseñado para la punción en el tubo recolector en el fluido, interca¬ lando entre ambos una pieza de material plástico transpa¬ rente que sitúa a ambos fragmentos en planos paralelos. La invención debería complementarse con el sistema estéril de forma tal que al carecer de aguja anterior, al pieza intermedia pasa a formar parte del propio sistema colector formando un único bloque y terminando en su zona anterior en un cono que permite su conexión a cualquier tipo de aguja convencional, logrando una aplicación sustancialmente superior a las utilizadas.However, it would be desirable to have a needle provided with a collecting system, that is to say by tubes, which in relation to the sterile blood collection system, whose novelty will be based on the adoption by the needle in a manner similar to that of a bayonet, thus causing a solution of continuity in the steely material of the needle, segmenting it into two fragments, one anterior that facilitates the extraction in the patient and another posterior designed for puncture in the collecting tube in the fluid, intercalates ¬ laying between them a piece of transparent plastic material that places both fragments in parallel planes. The invention should be complemented with the sterile system in such a way that, lacking an anterior needle, the intermediate piece becomes part of the collecting system itself forming a single block and ending in its anterior area in a cone that allows its connection to any type of Conventional needle, achieving an application substantially superior to those used.
Igualmente y con relación a la jeringa tradi- cional de cono lateralizado, en la misma solamente existe referencia de diseño, ya que utilizando las anteriores innovaciones, entre las cuales se contempla un total paralelismo con el punto de función, en relación a la jeringa tradicional, en la cual el punto de conexión se encuentra también lateralizado, mientras que en la invención decantada como idónea, el punto de conexión con el dispositivo colector es decir con el portatubos, se encuentra centrado.Likewise, and in relation to the traditional lateralized cone syringe, there is only a design reference therein, since using the previous innovations, among which a total parallel with the function point is contemplated, in relation to the traditional syringe , in which the connection point is also lateralized, while in the invention decanted as suitable, the connection point with the collecting device, that is to say with the tube holder, is centered.
Precisando de forma más detallada, se debería contar en el portatubos con una conexión por "clip", no de rosca como la utilizada de forma convencional, y a la vez a diferencia de los modelos anteriores, las alas posteriores del portatubos deberían contar con un giro totalmente libre y no estar situadas de forma fija como ocurre en los modelos convencionales.Specifying in more detail, the tube holder should have a "clip" connection, not a thread like the one used conventionally, and unlike previous models, the rear wings of the tube holder should have a turn totally free and not be located in a fixed way as in conventional models.
También en el cuerpo del portatubos deberían existir una hendiduras paralelas con objeto de formar un sistema antideslizante y a la vez disponer de un sistema o dispositivo de amortiguación que estuviese compuesto por una almohadilla de goma que adoptando la configura¬ ción plantar circular se situara alrededor del punto de conexión de la aguja y de esta forma se configurara como un sistema de amortiguación propiamente dicho al estar dotado de la almohadilla de gomaespuma de la que se dimana su actuación.Also in the body of the tube holder there should be a parallel groove in order to form a non-slip system and at the same time have a damping system or device that was composed of a rubber pad that adopting the circular plantar configuration will be located around the point of connection of the needle and in this way it will be configured as a damping system proper when being equipped with the foam rubber pad from which its performance is derived.
Sin embargo hasta el momento no se tiene conocimiento de la existencia de una invención que esté dotada de las características señaladas como idóneas.However, so far there is no knowledge of the existence of an invention that is endowed with the characteristics indicated as suitable.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
El conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos que la invención propone, constituye por si solo un notable novedad dentro del campo de la medicina en el cual se incorpora, ya que al margen de permitir su actuación de forma similar a la decantada como idónea con objeto de realizar la extracción de la sangre u otros fluidos orgánicos contemplando la extracción al vacío, elimina todos los problemas o al menos palia de forma efectiva la mayor parte de los mismos, constatados hasta el momento.The modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids that the invention proposes, constitutes by itself a remarkable novelty within the field of medicine in which it is incorporated, since it does not allow its action similarly to the decanted as suitable in order to perform the extraction of blood or other organic fluids contemplating vacuum extraction, eliminates all problems or at least effectively pallia most of them, found so far.
De forma más concreta, el conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos objeto de la invención está constituido por dos elementos fundamentales. A saber :More specifically, the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids object of the invention is constituted by two fundamental elements. Namely:
- Aguja.- Needle
- Portatubos.- Tube holder.
El conjunto de aguja y portatubos, dispone de la posibilidad de ser acoplado por rosca o por clipThe set of needle and tube holder, has the possibility of being coupled by thread or clip
(presilla) , permitiendo que una vez acoplado el uno con el otro, canalizar cualquier vena periférica de pequeño, mediano o gran calibre, pudiendo acoplarle cualquiera de los tubos de extracción al vacío existentes en el mercado actual, mejorando de forma sustancial su capacidad de extracción.(clip), allowing once coupled to each other, to channel any peripheral vein of small, medium or large caliber, being able to attach any of the vacuum extraction tubes existing in the current market, substantially improving their extraction capacity.
La aguja presenta las siguientes áreas total¬ mente definidas :The needle has the following fully defined areas:
Una aguja anterior biselada en su extremo, aguja que puede presentar diferentes calibres para su montaje, de acuerdo con el tipo de vena que vaya a ser canalizada.A bevelled anterior needle at its end, a needle that can have different sizes for its assembly, according to the type of vein that will be channeled.
La aguja biselada dispone en uno de sus extre¬ mos de un racord que adopta la configuración de ala delta si el propio racord es contemplado desde el plano supe¬ rior o en planta, permitiendo la unidireccionalidad del trayecto de la punción, lo cual da una mayor seguridad al especialista que está realizando la extracción.The beveled needle has one of its ends in a racord that adopts the delta wing configuration if the racord itself is contemplated from the top plane or in plan, allowing the unidirectionality of the puncture path, which gives a greater security to the specialist who is performing the extraction.
En la zona anterior, el racord se conecta con la parte posterior de la aguja (no biselada) y sellada con material plástico.In the anterior area, the racord is connected to the back of the needle (not beveled) and sealed with plastic material.
El racord es de material plástico transparente y dispone de un vaciado en su zona central formando un área curvada paralela al plano superior del racord en cuestión, siendo de igual calibre al de la aguja montada, permitiendo en todo momento la visualización del flujo sanguíneo, cuando éste se presenta una vez canalizada la vena, asegurando la punción.The record is made of transparent plastic material and has a drain in its central area forming a curved area parallel to the upper plane of the record in question, being of equal size to that of the mounted needle, allowing at all times the visualization of blood flow, when This is presented once the vein is channeled, ensuring puncture.
Igualmente en la invención se contempla una zona de fijación de la aguja al portatubos que permite utilizar los dos sistemas de fijación mencionados ante- riormente, es decir, el sistema convencional de rosca o bien el sistema de anclaje por clip o presilla. El sistema convencional de rosca para acople del portatubos, se encuentra situado en la zona más alta del racord, desplazando el plano de continuidad de la aguja posterior con el de la aguja anterior, lo que confiere a la invención su originalidad y la dota de una mayor seguridad en el manejo de la misma para el operador o especialista que realiza la extracción, consiguiendo de esta forma lograr la canalización de venas de fino calibre, disminuyendo el ángulo mínimo de punción desde 15s utilizado hasta el momento, hasta llegar a práctica¬ mente los 02, reduciendo al mismo tiempo la sensación de dolor que experimenta el paciente al reducirse el contac¬ to con terminaciones nerviosas superficiales.Likewise, in the invention there is contemplated a zone of fixation of the needle to the tube holder that allows to use the two fixation systems mentioned above, that is to say, the conventional thread system or the clip or clip anchor system. The conventional thread system for coupling of the tube holder, is located in the highest area of the record, displacing the continuity plane of the rear needle with that of the previous needle, which gives the invention its originality and gives it a greater safety in handling it for the operator or specialist who performs the extraction, thus achieving the channeling of fine gauge veins, reducing the minimum puncture angle from 15s used so far, until practically reaching 02, while reducing the sensation of pain experienced by the patient by reducing contact with superficial nerve endings.
Respecto a la configuración del anclaje en clip o presilla debe indicarse que la rosca es sustituida por una pieza que adopta la configuración de un cubo o paralelepípedo, en cuyos lados se encuentran situadas unas cuñas provistas de un reborde o áreas de fijación a los clips internos de los que se encuentra provisto el cono del portatubos, cono fabricado preferentemente en material plástico y que dispone de una pluralidad de ventajas para el manipulador y para el paciente facili¬ tando su manejo.Regarding the configuration of the clip or clip anchor, it should be indicated that the thread is replaced by a piece that adopts the configuration of a cube or parallelepiped, on whose sides there are wedges provided with a flange or fixing areas to the internal clips of which the cone of the tube holder is provided, cone preferably made of plastic material and which has a plurality of advantages for the manipulator and for the patient facilitating its handling.
En síntesis, en ambos casos la pieza se encuen¬ tra vaciada con un calibre similar al de la aguja situada en el área anterior.In summary, in both cases the piece is emptied with a caliber similar to that of the needle located in the anterior area.
Respecto al cono posterior de la aguja trasera hay que señalar que se encuentra fabricado en material plástico y que tiene la doble misión de servir por un lado de tope al tubo extractor, mientras que por otro actúa como soporte de la funda de goma que envolverá a la aguja posterior para su protección y posterior desliza- miento al ser pinchado el tubo extractor.Regarding the rear cone of the rear needle, it should be noted that it is made of plastic material and has the double mission of serving on one side of the stopper tube, while on the other it acts as a support for the rubber sheath that will wrap the rear needle for protection and subsequent slides I lie when the extractor tube is punctured.
La aguja posterior está también biselada pero a diferencia de las agujas empleadas hasta el momento, el bisel está destinado única y exclusivamente a permitir la perforación de la goma de tapón del tubo de extracción, al encontrarse cerrada en su extremo.The rear needle is also bevelled but unlike the needles used so far, the bezel is intended solely and exclusively to allow the perforation of the rubber cap of the extraction tube, being closed at its end.
Esta aguja dispone de dos perforaciones u orificios elípticos situados en planos opuestos, destina¬ dos a facilitar el llenado rápido del tubo de extracción y al mismo tiempo imposibilitan la aparición de hemolisis en la muestra, ya que se configura como una aplicación que cumple con el precepto sabido dentro del campo sanitario, que la sangre extraída debe resbalar de forma suave o ligera por las paredes del tubo.This needle has two perforations or elliptical holes located in opposite planes, intended to facilitate rapid filling of the extraction tube and at the same time make it impossible to hemolysis in the sample, since it is configured as an application that complies with the precept known within the health field, that the blood drawn should slide smoothly or lightly through the walls of the tube.
El calibre de la aguja posterior es similar al de la aguja anterior.The gauge of the posterior needle is similar to that of the anterior needle.
El portatubos es el elemento complementario a la aguja y se configura como un cilindro hueco fabricado en material plástico transparente, que cuenta con un cono hembra de conexión al portatubos que puede presentarse al igual que la aguja descrita anteriormente de dos formas. A saber :The tube holder is the complementary element to the needle and is configured as a hollow cylinder made of transparent plastic material, which has a female cone connecting to the tube holder that can be presented just like the needle described above in two ways. Namely:
El cono hembra de rosca centrado en la aguja anterior del portatubos, en el cual se fijará la aguja mediante una sencilla operación de giro, configurándose este cono hembra de rosca como un sistema similar al actualmente empleado.The female thread cone centered on the anterior needle of the tube holder, in which the needle will be fixed by a simple turning operation, this female thread cone being configured as a system similar to the one currently used.
El cono hembra puede estar dotado de un sistema o dispositivo de presilla o clip, de estructura cúbica, situado en la zona central de la cara anterior del portatubos, en cuyas caras presenta un resorte de dentado de material plástico que enganchará la cuya de cada una de las caras de la zona de conexión de la aguja.The female cone may be provided with a clip or clip system or device, of cubic structure, located in the central area of the front face of the tube holder, on whose faces it has a spring of teeth of plastic material that will hook the one of each of the faces of the needle connection area.
Debe indicarse que este dispositivo permite la inutilización del portatubos, debiendo utilizarse un portatubos nuevo para extracción, actuación que asegura de forma taxativa una asepsia total en la extracción, facilitando el montaje de la invención al constituirse el mismo como una operación de simple presión y no de giro.It should be noted that this device allows the use of the tube holder, a new tube holder must be used for extraction, an action that ensures a total aseptic extraction procedure, facilitating the assembly of the invention as it is constituted as a simple pressure operation and not rotation.
Se ha previsto la utilización de una almohadi¬ lla de amortiguación, fabricada en goma espuma con un espesor adecuado y un diámetro externo similar al diáme¬ tro del interior del portatubos, almohadilla que presenta en su zona central perforación pasante por la cual se realiza el paso de la aguja y cono posterior y que dispone de un repliegue formado por la goma de protección de la aguja posterior al ser presionada por el tubo de extracción.It is planned to use a cushion pad, made of foam rubber with a suitable thickness and an external diameter similar to the diameter of the inside of the tube holder, pad that has in its central zone through hole through which the passage of the needle and rear cone and which has a fold formed by the protective rubber of the rear needle when pressed by the extraction tube.
Este dispositivo se encuentra situado al fondo del portatubos, teniendo su principal misión en el hecho de amortiguar el potencial choque del tubo de extracción contra el fondo del portatubos, lo que con frecuencia y en los sistemas de extracción actuales provoca molestias dolorosas a los pacientes, que pueden ser evitadas de forma total por la incorporación de este cuerpo de almohadilla que actuando como amortiguador consigue hacer imperceptible esta maniobra sobre le paciente.This device is located at the bottom of the tube holder, having its main mission in damping the potential shock of the extraction tube against the bottom of the tube holder, which frequently and in the current extraction systems causes painful discomfort to patients, which can be totally avoided by the incorporation of this pad body that acting as a shock absorber makes this maneuver imperceptible on the patient.
En la invención existe una hendidura antidesli¬ zante situada en la cara anterior del portatubo, que presenta un pluriranurado destinado a impedir el desliza- miento accidental del conjunto hacia la vena, lo cual provocaría sin duda alguna la penetración total de aguja en la sección de la vena, con la pérdida consiguiente del caudal sanguíneo.In the invention there is a non-slip groove located on the front face of the tube holder, which has a multi-groove designed to prevent sliding. accidental settling of the assembly into the vein, which would undoubtedly cause total needle penetration into the vein section, with the consequent loss of blood flow.
Externamente se han previsto unas aletas de fijación del portatuboε, que tienen como misión la fijación del tubo al portatubos situando los dedos índice y medio en cada una de ellas para hacer penetrar el tubo en la aguja posterior con la novedad y debido a las dificultades técnicas que la experiencia constata, que al no ser posible hacer coincidir el número de vueltas con el sistema de cono de rosca, para que las citadas aletas queden situadas en posición horizontal al plano de la piel y no vertical, anulándose problemas constatados en la actualidad y configurándose como un anillo provisto de dos aletas laterales acoplado por presión a la parte posterior del portatubos, lo que permite su colocación de acuerdo con las necesidades del especialista.Externally, some fins for fixing the tube holder are provided, whose mission is to fix the tube to the tube holder by placing the index and middle fingers on each of them to make the tube penetrate the rear needle with the novelty and due to technical difficulties that the experience confirms, that since it is not possible to match the number of turns with the thread cone system, so that the said fins are located horizontally to the plane of the skin and not vertical, canceling problems found today and being configured as a ring provided with two lateral fins coupled by pressure to the back of the tube holder, which allows its placement according to the needs of the specialist.
Opcionalmente no es necesario utilizar la aplicación descrita anteriormente cuando se utilizan para la unión del portatubos, clip o presillas, debido a que el cono de fijación se encuentra orientado al plano vertical al de las aletas.Optionally, it is not necessary to use the application described above when they are used for joining the tube holder, clip or clips, because the fixing cone is oriented to the plane vertical to that of the fins.
En una segunda realización, y con objeto de reducir el coste de fabricación del objeto de la inven¬ ción, éste puede estar constituido como un conjunto que adopta la configuración general de dispositivo portatu¬ bos, constituido en una sola pieza y que además de forma más concreta está constituido o dotado de tres zonas definidas. A saber :In a second embodiment, and in order to reduce the manufacturing cost of the object of the invention, it may be constituted as a set that adopts the general configuration of portable device, constituted in a single piece and which in addition to more concrete is constituted or endowed with three defined zones. Namely:
- Zona anterior, constituida por una pieza preferentemente fabricada en material plástico transpa¬ rente, que adopta la forma general de un ala delta en su cara inferior, dotada o provista de un cono truncado, que permitirá la conexión de la aguja en su extremo más estrecho por simple presión.- Anterior area, consisting of a piece preferably made of transparent plastic material, which adopts the general shape of a delta wing on its lower face, provided or provided with a truncated cone, which will allow the connection of the needle at its narrowest end by simple pressure.
- En el plano lateral se observa que el borde superior de la pieza nace en el extremo superior del cono truncado y se extiende hasta unos milímetros por encima del centro geométrico de la cara anterior de la zona media del portatubos, siendo este borde plano y curvado.- In the lateral plane it is observed that the upper edge of the piece is born at the upper end of the truncated cone and extends up to a few millimeters above the geometric center of the front face of the middle area of the tube holder, this edge being flat and curved .
- Debe tenerse en cuenta que desde los bordes laterales del extremo ancho del cono truncado, parten dos aristas situadas una a cada lado y convergentes en el punto de unión con la cara anterior de la zona central del portatubos.- It should be taken into account that from the lateral edges of the wide end of the truncated cone, two edges are located, one on each side and converging at the point of union with the front face of the central area of the tube holder.
- En un plano inferior, la vista de la zona anterior es completamente plana y más ancha en la zona pegada a la cara anterior de la zona central del portatu¬ bos, encontrándose este plano unido al borde externo inferior de la cara anterior de la zona central del portatubos.- In a lower plane, the view of the anterior area is completely flat and wider in the area attached to the anterior face of the central area of the laptop, this plane being attached to the lower outer edge of the anterior face of the area tube holder center.
- La zona media del portatubos, está unida a la zona anterior descrita anteriormente, fabricada en material plástico transparente.- The middle area of the tube holder is connected to the previous area described above, made of transparent plastic material.
- La zona media tiene forma cilindrica hueca, estando dotada de diferentes tamaños de acuerdo con la aplicación de la misma, presentando una cara anterior circular y perforada en su centro, punto desde el cual se proyecta una prolongación del mismo o similar que adopta la forma puntiaguda en su extremo y que permitirá la perforación de los tubos de recogida de muestras, estando dotada de dos orificios laterales que lograrán que la muestra adquirida resbale por las paredes del tubo.- The middle area has a hollow cylindrical shape, being endowed with different sizes according to the application of the same, presenting a circular and perforated front face in its center, point from which an extension of the same or similar is projected that takes the form pointed at its end and that will allow the perforation of the sample collection tubes, being provided with two lateral holes that will allow the acquired sample to slide through the walls of the tube.
- Esta prolongación puede ser sustituida por una aguja de idénticas características fabricada en metal, y cuyo punto de fijación al centro de la cara anterior del portatubos puede realizarse por sellado o bien por la adopción de una plataforma circular fijada por presión a un reborde interno de la propia cara anterior del portatubos.- This extension can be replaced by a needle of identical characteristics made of metal, and whose point of attachment to the center of the front face of the tube holder can be done by sealing or by the adoption of a circular platform fixed by pressure to an internal flange of the front face of the tube holder itself.
- La citada prolongación que adopta la configu¬ ración de una aguja, se encontrará recubierta de una funda de material elastomérico o goma elástica, que será perforada por la aguja al ser conectada la misma con el tubo de recogida de muestras, volviendo a su posición inicial una vez que se retire el citado tubo.- The aforementioned extension that adopts the configuration of a needle, will be covered with a sheath of elastomeric material or elastic rubber, which will be pierced by the needle when it is connected to the sample collection tube, returning to its position initial once the said tube is removed.
- En las paredes del cilindro central se destacan tanto en su plano superior como en el inferior sendas ranuras antideslizantes que permitirán fijar mejor la maniobra.- In the walls of the central cylinder stand out both in its upper plane and in the lower one, non-slip grooves that will allow to fix the maneuver better.
- En su interior se encuentra al igual que en el dispositivo especificado en la primera realización, un sistema de almohadilla amortiguadora del impacto produci¬ do por el tapón del tubo al ser penetrado por la aguja, contando con un vaciado central que permite albergar la retracción de la funda de la aguja.- Inside, as in the device specified in the first embodiment, there is an impact cushion pad system produced by the tube plug when penetrated by the needle, with a central recess that allows the retraction to be accommodated of the needle cover.
- La invención cuenta en la zona posterior con una configuración de lengüetas, situadas una a cada lado del portatubos en su extremo contrario a la aguja y perpendiculares al propio portatubos, que servirán para la fijación del portatubos durante la maniobra de cambio de tubo, adquiriendo éstas una dirección transversal al eje medio del conjunto visto éste desde su plano superior e inferior.- The invention has in the rear area a configuration of tongues, located one on each side of the tube holder at its opposite end to the needle and perpendicular to the tube holder itself, which will serve to the fixation of the tube holder during the tube change maneuver, these acquiring a transverse direction to the middle axis of the assembly seen from its upper and lower plane.
- La zona anterior se encuentra atravesada y vaciada en su centro desde el extremo estrecho del cono truncado hasta el centro de la cara anterior del cilindro portatubos, adquiriendo los diferentes planos curvados paralelos a la trayectoria seguida por el borde superior de la zona anterior y hasta su conexión en el punto central de la cara anterior del portatubos, prolongándose este vaciado a todo lo largo de la prolongación o aguja posterior.- The anterior zone is crossed and emptied in its center from the narrow end of the truncated cone to the center of the anterior face of the tube holder, acquiring the different curved planes parallel to the path followed by the upper edge of the anterior zone and up to its connection in the central point of the front face of the tube holder, extending this emptying along the entire length of the extension or rear needle.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, un juego de planos en el cual con carácter ilus¬ trativo y no limitativo, se ha representado lo siguien¬ te :To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a descriptive set of drawings is attached as an integral part thereof, with an illusory character and not limiting, the following has been represented:
La figura 1.- Muestra una vista general de los diferentes elementos que configuran el conjunto de aguja y portatubo modificado para la extracción al vacío de sangre y otros fluidos orgánicos objeto de la invención en una primera realización.Figure 1 shows an overview of the different elements that make up the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids object of the invention in a first embodiment.
La figura 2.- Corresponde a una vista en alzado lateral de la aguja en bayoneta para extracción al vacío contemplada en la invención y representada junto con los demás elementos en la figura 1. La figura 3.- Representa una vista en planta del objeto mostrado en la figura 1.Figure 2 .- Corresponds to a side elevation view of the needle in bayonet for vacuum extraction contemplated in the invention and represented together with the other elements in Figure 1. Figure 3.- Represents a plan view of the object shown in Figure 1.
La figura 4.- Muestra nuevamente una vista en planta por el área opuesta a la mostrada en la figura 3 del objeto representado en conjunto en la figura 1.Figure 4.- Shows again a plan view of the area opposite to that shown in figure 3 of the object as a whole represented in figure 1.
La figura 5.- Corresponde a una vista en alzado lateral del objeto representado en las figuras anterio- res, incorporando un sistema de fijación al portatubo tipo clips.Figure 5.- Corresponds to a side elevation view of the object represented in the previous figures, incorporating a fastening system to the tube holder type clips.
La figura 6.- Muestra una vista del portatubos propiamente dicho.Figure 6.- Shows a view of the tube holder itself.
La figura 7.- Corresponde al extremo del portatubos representado en la figura 6, dotado con un dispositivo de fijación tipo clip.Figure 7 .- Corresponds to the end of the tube holder shown in Figure 6, equipped with a clip-like fixing device.
La figura 8.- Muestra una vista frontal del objeto representado en la figura 7.Figure 8 shows a front view of the object represented in Figure 7.
La figura 9.- Muestra una vista en alzado lateral del objeto de la invención relativo a la segunda realización del mismo.Figure 9 shows a side elevational view of the object of the invention relative to the second embodiment thereof.
La figura 10.- Muestra una vista en planta por la zona inferior del objeto representado en la figura 9.Figure 10.- Shows a plan view through the lower area of the object represented in Figure 9.
La figura 11.- Corresponde a una vista en planta por la zona superior del objeto representado en la figura 9.Figure 11.- Corresponds to a plan view through the upper area of the object represented in Figure 9.
La figura 12.- Muestra una vista en alzado lateral del objeto representado en la figura 9 en cuyo - 14 -Figure 12.- Shows a side elevation view of the object shown in Figure 9 in which - 14 -
interior se encuentra incorporado el tubo portamuestras.inside the sample holder tube is incorporated.
La figura 13.- Corresponde por último a una vista similar a la representada en la figura 12, en el momento en el cual se retira el tubo portamuestras.Figure 13.- Corresponds finally to a view similar to that shown in Figure 12, at the time at which the sample tube is removed.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de la figura 1, puede observarse como el conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos en su primera realización se configura a partir de una aguja en bayoneta (1) y un portatubos (10) en el cual se incorpora el tubo de extracción o tubo de muestra (20) .In view of Figure 1, it can be seen how the modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids in its first embodiment is configured from a bayonet needle (1) and a tube holder (10 ) in which the extraction tube or sample tube (20) is incorporated.
En la figura 2 , se observa como la aguja en bayoneta (1) está formada a partir de una aguja biseladaIn figure 2, it is observed how the bayonet needle (1) is formed from a beveled needle
(4) , situada en la zona anterior, la cual puede estar constituida en varios calibres a tenor del tipo de vena que se vaya a canalizar.(4), located in the anterior zone, which can be constituted in several calibres according to the type of vein to be channeled.
La aguja biselada (4) se encuentra unida a un racord (2) transparente con alas laterales y vaciado en el centro.The beveled needle (4) is attached to a transparent racket (2) with lateral wings and emptied in the center.
En la zona interna del racord se encuentra situada una canalización (4') por la cual el flujo sanguíneo pasará y será visualizado de forma inmediata por el especialista al constituirse en racord (2) en un material transparente.In the internal area of the record is located a canalization (4 ') through which the blood flow will pass and will be visualized immediately by the specialist to become a record (2) in a transparent material.
En racord (2) en el que se incorpora la aguja biselada (4) y que dispone de la canalización internaIn racord (2) in which the beveled needle (4) is incorporated and which has internal channeling
(4*) , se encuentra unido a una rosca hueca de fijación al portatubos (3) , que permite utilizar dos sistemas de fijación diferentes.(4 *), is attached to a hollow thread fixing to the tube holder (3), which allows two systems of use different fixing.
El racord (2) de la aguja, adopta la configura¬ ción plantar de ala delta, facilitando la unidirecciona- lidad del trayecto de la punción, obteniendo consecuente¬ mente el especialista que realiza la extracción una seguridad mayor durante la operación de venopunción.The needle record (2) adopts the delta wing plantar configuration, facilitating the unidirectionality of the puncture path, consequently obtaining the specialist who performs the extraction greater safety during the venipuncture operation.
La zona anterior del racord (3) , conecta con la marca posterior de la aguja (4) no biselada y sellada con material plástico, siendo el racord (3) tal y como se ha dicho anteriormente de un material plástico transparente y que cuenta con un vaciado (41) en su zona central formando curva paralela al plano superior del racord (3) de igual calibre al de la aguja (4) montada en su zona anterior, permitiendo en todo momento como se ha dicho anteriormente la visualización de la sangre o fluido cuando es canalizada desde la vena o donde corresponda asegurando consecuentemente la punción.The anterior area of the record (3), connects with the posterior mark of the needle (4) not beveled and sealed with plastic material, the record (3) being as previously said of a transparent plastic material and which has a recess (4 1 ) in its central area forming a curve parallel to the upper plane of the racord (3) of equal gauge to that of the needle (4) mounted in its anterior zone, allowing at all times as indicated above the visualization of the blood or fluid when channeled from the vein or where appropriate ensuring consistent puncture.
La zona de fijación (3) de la aguja biselada (4) al portatubos permite la utilización del sistema convencional de rosca para acople del portatubos, situada en la zona más alta del racord (3) , desplazando el plano de continuidad de la aguja posterior (6) con el de la aguja anterior (5) , potenciando su originalidad y seguri¬ dad en el manejo para el especialista, logrando de esta forma canalizar venas de calibre ínfimo al conseguir disminuir el ángulo mínimo de punción desde 152 a prácti- camente 02, disminuyendo al mismo tiempo la sensación dolorosa al paciente, al ser menor el contacto existente con terminaciones nerviosas superficiales.The fixing area (3) of the bevelled needle (4) to the tube holder allows the use of the conventional thread system for coupling of the tube holder, located in the highest area of the record (3), displacing the continuity plane of the rear needle (6) with that of the anterior needle (5), enhancing its originality and safety in handling for the specialist, thus managing to channel veins of very small caliber by reducing the minimum puncture angle from 152 to practically 02, while reducing the painful sensation to the patient, as the existing contact with superficial nerve endings is less.
También se contempla la posibilidad de incorpo¬ rar el anclaje en clip o presilla para lo cual la rosca es sustituida por una pieza (3') representada en la figura 5, que adopta la forma de un cubo y en cuyos laterales existen unas cuñas (15) con reborde de fijación a los clips (14) situados en el área interna del cuerpo (13') del que se encuentra dotado el cono del portatubos.The possibility of incorporating the clip or clip anchor for which the thread is also contemplated is also contemplated. It is replaced by a piece (3 ') represented in Figure 5, which takes the form of a cube and on whose sides there are wedges (15) with flange for fixing the clips (14) located in the internal area of the body ( 13 ') of which the cone of the tube holder is equipped.
Debe indicarse que también se encuentra fabri¬ cado en material plástico y que cuenta con ventajas mayores de seguridad para el manipulador y para el paciente, reduciendo o facilitando el manejo.It should be noted that it is also manufactured in plastic material and that it has greater safety advantages for the manipulator and for the patient, reducing or facilitating handling.
En ambos casos, la pieza se encuentra vaciada con un calibre similar al de la aguja anterior (4) .In both cases, the piece is emptied with a caliber similar to that of the previous needle (4).
La aguja o conjunto de aguja (1) cuenta con un cono posterior (5) para la conexión de la aguja posterior (6) que se encuentra fabricado también en material plástico, cono que tiene la doble misión de servir por un lado de tope al tubo extractor (20) y de soportar la funda de goma que envolverá a la aguja posterior (6) para su protección y posterior deslizamiento al ser pinchado en tubo extractor (20) .The needle or needle assembly (1) has a rear cone (5) for the connection of the rear needle (6) which is also made of plastic material, a cone that has the double mission of serving on one side of the extractor tube (20) and to support the rubber sheath that will wrap the rear needle (6) for its protection and subsequent sliding when punctured in extractor tube (20).
La aguja posterior (6) , se configura de forma biselada, pero tiene la diferencia sustancial con las utilizadas hasta el momento y existentes en el mercado, que el bisel portado por la aguja posterior (6) tiene únicamente la misión de perforar la goma del tapón (21) del tubo de extracción (20) , al estar cerrada por su extremo.The rear needle (6), is configured in a beveled manner, but has the substantial difference with those used so far and existing in the market, that the bevel carried by the rear needle (6) has only the mission of perforating the rubber of the cap (21) of the extraction tube (20), being closed at its end.
Sin embargo, la aguja posterior (6) cuenta con dos orificios elípticos (7) y (71), situados en planos opuestos, que tienen la misión de facilitar el llenado del tubo de extracción (20) de forma más rápida y al mismo tiempo evitar la aparición de hemolisis en la muestra, ya que la sangre extraída resbalará de forma suave por las paredes del tubo.However, the rear needle (6) has two elliptical holes (7) and (7 1 ), located in opposite planes, which have the mission of facilitating the filling of the extraction tube (20) more quickly and at the same time. at the same time avoid the appearance of hemolysis in the sample, since the blood drawn will slide smoothly through the walls of the tube.
Debe señalarse que el calibre de la aguja (6) es similar al calibre de la aguja anterior (5) .It should be noted that the gauge of the needle (6) is similar to the gauge of the previous needle (5).
El portatubos (10) , es el elemento complementa¬ rio a la aguja (1) , que configura con la misma el conjun- to de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, formándose el portatubos (10) como un cilindro hueco fabricado en material plástico transparente, el cual cuenta con un cono hembra de conexión (13) , representado en la figura 6, que en este caso adopta la forma de un cono hembra (13) para la conexión de una aguja (1) , tipo rosca, pero que sin embargo este cono (13) puede configurarse como una hembra de rosca centrada en la cara anterior del portatubos (10) , donde se fijarán la aguja (1) mediante giro o bien como un cono hembra (13') con sistema de presilla o clip (14) , que adopta la forma cúbica y que se encuentra situado en la zona central de la cara anterior del portatubos (10) , que tiene internamente un resorte dentado (15) de material plástico que enganchará la cuña (15) de cada una de las caras de la zona de conexión (3') situada en la aguja (1') representada en la figura 5.The tube holder (10), is the complementary element to the needle (1), which configures with it the modified needle and tube assembly for vacuum extraction of blood and other organic fluids, forming the tube holder (10 ) as a hollow cylinder made of transparent plastic material, which has a female cone of connection (13), represented in figure 6, which in this case takes the form of a female cone (13) for the connection of a needle (1), thread type, but that however this cone (13) can be configured as a female thread centered on the front face of the tube holder (10), where the needle (1) will be fixed by turning or as a female cone (13 ') with clip or clip system (14), which takes the cubic form and is located in the central area of the front face of the tube holder (10), which internally has a serrated spring (15) of plastic material that will hook the wedge (15) of each of the faces of the zone d and connection (3 ') located on the needle (1') shown in Figure 5.
En el área interna, el portatubos (10) dispone de una almohadilla de amortiguación (11) fabricada en goma espuma, que cuenta con un espesor apropiado y un diámetro externo similar al diámetro interno del portatu¬ bos (10) , presentando en su zona central una perforación por la cual se realiza el paso de la aguja (6) y el cono posterior, así como el repliegue formado por la aguja de protección de la aguja posterior (6) al ser presionada por el tubo de extracción (20) .In the internal area, the tube holder (10) has a cushion pad (11) made of foam rubber, which has an appropriate thickness and an external diameter similar to the internal diameter of the tube holder (10), presenting in its area central a perforation through which the passage of the needle (6) and the rear cone is performed, as well as the withdrawal formed by the protective needle of the rear needle (6) when pressed by the extraction tube (20).
En el área externa del portatubos (10) , se ha previsto una hendidura antideslizante (17) , dotada de una pluralidad de ranuras que actúan como área antideslizante para impedir el deslizamiento accidental del conjunto hacia la vena, lo que provocaría la penetración total de la aguja (4) en la vena, con la pérdida consiguiente del caudal sanguíneo.In the external area of the tube holder (10), a non-slip groove (17) is provided, provided with a plurality of grooves that act as a non-slip area to prevent accidental sliding of the assembly into the vein, which would cause the total penetration of the needle (4) in the vein, with the consequent loss of blood flow.
Por último la invención cuenta con una alas de sujeción giratorias (12) que actúan para la fijación del portatubos, que tienen la misión de facilitar la actua¬ ción de los dedos índice y medio en cada una de ellas para conseguir que el tubo (20) se encastre o se fije en la aguja posterior (6) .Finally, the invention has a rotating clamping wings (12) that act for the fixation of the tube holder, which have the mission of facilitating the performance of the index and middle fingers in each of them to achieve that the tube (20 ) is fitted or fixed on the rear needle (6).
La aletas giratorias (12) se configuran como un anillo acoplado por presión a la parte posterior del portatubos (10) , lo cual permite su colocación según las necesidades, no siendo necesario utilizar esta disposi¬ ción de aletas, si se emplea un portatubos (10'), provis¬ to de un sistema de fijación (13) para la retención e inmovilización de una aguja (l1) por el área (31) con los elementos dentados (15) .The rotating fins (12) are configured as a ring coupled by pressure to the rear of the tube holder (10), which allows its placement according to the needs, not being necessary to use this arrangement of fins, if a tube holder is used ( 10 '), provided with a fixing system (13) for the retention and immobilization of a needle (l 1 ) through the area (3 1 ) with the toothed elements (15).
A la vista de las figura 9, 10, 11, 12 y 13, puede observarse que en una segunda realización (21) la invención está constituida a partir de un cono (22) que adopta la configuración de ala delta visto en planta, que presenta interiormente una canalización (23) y que dispone de una embocadura (24) destinada a facilitar la incorporación y acoplamiento de cualquier tipo de aguja con independencia de que ésta se encuentre dotada de unas características dimensionales apropiadas, disponiéndose enfrentada con la canalización (23) una aguja (25) debidamente recubierta con una funda elastomérica (26) y emergiendo hacia el interior del cuerpo del portatubos (27) a través de una perforación central que pasa la almohadilla protectora (28) incorporada en la zona delantera del portatuboε (27) .In view of Figures 9, 10, 11, 12 and 13, it can be seen that in a second embodiment (21) the invention is constituted from a cone (22) that adopts the configuration of a delta wing seen in plan, which internally it has a pipe (23) and it has a mouth (24) designed to facilitate the incorporation and coupling of any type of needle regardless of whether it is equipped with appropriate dimensional characteristics, provided faced with the pipe (23) a needle (25) duly coated with an elastomeric sheath (26) and emerging into the body of the tube holder (27) through a central hole that passes the protective pad (28) incorporated in the front area of the tube holder (27).
En el interior del portatubos (27) se incorpora el frasco para la toma de muestras (30) dotado de una cabeza de acoplamiento (29) , la cual se enfrenta con la almohadilla (28) y logra que la aguja (5) pase a través de la protección elastomérica (6) , penetre en el interior del cuerpo hueco (30) e inyecte su contenido y posterior¬ mente la misma se retire quedando la muestra solicitada en el interior del cuerpo (10) . Inside the tube holder (27) the sample collection bottle (30) is fitted with a coupling head (29), which faces the pad (28) and makes the needle (5) pass to Through the elastomeric protection (6), penetrate inside the hollow body (30) and inject its contents and subsequently remove it, leaving the requested sample inside the body (10).

Claims

R E I V I N D I C A C I O N E SR E I V I N D I C A C I O N E S
13.- conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos caracterizado por estar compuesto por una aguja en bayoneta (1) (1') y un portatubos (10) ó (101), en colaboración con un tubo convencional de muestras (20) provisto del tapón hermetizante de goma (21) , estando fabricados todos los elementos en material plástico, contando la aguja en bayoneta (1) con una aguja anterior biselada (4) unidad a un racord (2) que adopta la forma de ala delta, teniendo en su zona anterior incorporada la parte posterior de la aguja (4) no biselada y sellada en material plástico, siendo el racord (2) igualmente de material plástico transparente con un vaciado en su zona central formando una curva paralela al plano superior del racord de calibre similar al de la aguja (4) , por la que se canaliza y se visualiza la sangre pasando por la zona de fijación de la aguja (3) al portatubos (10) con tubo de muestras (20) .13.- modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids characterized by being composed of a needle in a bayonet (1) (1 ') and a tube holder (10) or (10 1 ), in collaboration with a conventional sample tube (20) provided with the rubber sealing cap (21), all the elements being made of plastic material, counting the needle in bayonet (1) with a bevelled front needle (4) unit to a racord (2 ) which takes the form of a hang glider, having the rear part of the needle (4) not beveled and sealed in plastic material incorporated in its anterior area, the record (2) being also made of transparent plastic material with an emptying in its central area forming a curve parallel to the upper plane of the gauge record similar to that of the needle (4), through which the blood is channeled and visualized passing through the needle fixing area (3) to the tube holder (10) with tube samples (20).
2§.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la primera reivindicación, caracterizado porque la zona de fijación (3) de la aguja (1) al porta- tubos (10) , puede estar configurada en forma de rosca desplazando el plano de continuidad de la aguja (6) con el de la aguja anterior (4) disminuyendo el ángulo mínimo de punción desde 152 a 02, o bien configurarse como un anclaje (31) con clips o presillas (14) formando una pieza que adopta la forma general cúbica en cuyos lados se encuentran situadas cuyas (15) con reborde de fijación a los clips internos (!4) situados en el cono (13') del portatubos (10) . 3§.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la primera y la segunda reivindicación, caracterizado porque la aguja en ala delta (1) tipo bayoneta, cuenta con un cono posterior (5) igualmente fabricado en material plástico que actúa como tope de tubo extractor (20) y soporta la funda de goma que envuelve a la agua posterior (6) receptando la funda sobre este área al pincharse el tubo extractor, siendo la aguja posterior (6) biselada y contando con que la misma se encuentra cerrada en su extremo opuesto al de fijación disponiendo de dos orificios o perforaciones elípticas (7) y (7'), situadas en planos opuestos sobre la aguja posterior (6) , de calibre similar al de la aguja anterior (4).2 § .- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the first claim, characterized in that the fixing area (3) of the needle (1) to the tube holder (10), It can be configured as a thread by moving the plane of continuity of the needle (6) with that of the previous needle (4) by decreasing the minimum puncture angle from 152 to 02, or it can be configured as an anchor (3 1 ) with clips or clips (14) forming a piece that adopts the general cubic shape on whose sides are located whose (15) with flange fixing to the internal clips (! 4) located in the cone (13 ') of the tube holder (10). 3 § .- Modified needle and tube holder set for vacuum extraction of blood and other organic fluids, according to the first and second claims, characterized in that the delta wing needle (1) bayonet type has a rear cone (5 ) also made of plastic material that acts as an extractor tube stop (20) and supports the rubber sheath that surrounds the back water (6) receiving the sheath over this area when the extractor tube is punctured, the rear needle (6) being bevelled and counting that it is closed at its opposite end to the fixation having two holes or elliptical perforations (7) and (7 '), located in opposite planes on the rear needle (6), similar in size to the anterior needle (4).
4a.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la primera reivindicación, caracterizado porque el portatubos (10) cuenta con un cono hembra (13) de roscado central en la cara anterior del portatubos (10) , donde se fija la aguja (1) mediante giro o sustitu¬ ción un portatubos (10') puede contar con un cono hembra (13') con sistema de presilla o clip (14), formando como un resorte dentado de material plástico que enganchará o sustentará la cuña (15) de cada una de las caras de las zonas de conexión (3') de la aguja (1') inutilizando al portatubos en cada extracción.4a.- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the first claim, characterized in that the tube holder (10) has a female cone (13) with central threading on the front face of the tube holder (10), where the needle (1) is fixed by turning or replacing a tube holder (10 ') can have a female cone (13') with clip or clip system (14), forming as a serrated spring of plastic material that will hook or support the wedge (15) of each of the faces of the connection areas (3 ') of the needle (1') rendering the tube holder useless in each extraction.
5§.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la cuarta reivindicación, caracterizado porque en el área interna del portatubos (10) , se ha previsto la incorporación de una almohadilla (11) de amortiguación, fabricada en goma espuma de un espesor adecuado y de un diámetro exterior similar al diámetro interior del portatubos (10) ó (10*), presentando en su centro una perforación para el paso de la aguja (6) y el cono posterior (5) , así como el repliegue formado por la goma de protección de la aguja posterior (6) al ser presionada por el tubo de extracción (20) , encontrándose fijado en el fondo del portatubos (10) amortiguando el choque del tubo (20) contra el fondo del portatubos (10) ó (10») .5§.- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the fourth claim, characterized in that the incorporation of a pad (11) is provided in the internal area of the tube holder (10). of cushioning, made of foam rubber of a thickness suitable and of an external diameter similar to the internal diameter of the tube holder (10) or (10 *), presenting in its center a perforation for the passage of the needle (6) and the rear cone (5), as well as the withdrawal formed by the protective rubber of the rear needle (6) when pressed by the extraction tube (20), being fixed in the bottom of the tube holder (10) damping the shock of the tube (20) against the bottom of the tube holder (10) or (10 » ).
6^.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la cuarta y quinta reivindicación, caracterizado porque el portatubos (10) ó (101), presenta externamente unas hendiduras antideslizantes (17) , configuradas como ranuras antideslizantes y cuenta con unas aletas de fijación al portatubos (12) en las que se sitúan los dedos índice y medio para penetrar el tubo (20) en la aguja posterior (6) , configurándose las aletas giratorias (12) como un anillo fijado por presión o acoplado a la parte posterior del portatubos (10) ó (10'), no siendo necesaria la utilización de este área anular cuando se configura como un portatuboε (101) provisto de elementos de fijación por clips (13').6 ^ .- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the fourth and fifth claim, characterized in that the tube holder (10) or (10 1 ), externally presents anti-slip slits (17) , configured as non-slip grooves and has fixing fins to the tube holder (12) in which the index and middle fingers are placed to penetrate the tube (20) into the rear needle (6), the rotating fins (12) being configured as a ring fixed by pressure or coupled to the back of the tube holder (10) or (10 '), the use of this annular area not being necessary when it is configured as a tube holder (10 1 ) provided with clip fixing elements (13 ').
7§.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la primera reivindicación, caracterizado porque en una segunda realización se configura a partir de un cuerpo monopieza (27) que presenta en uno de sus extremos una pieza (22) fabricada en material plástico transparente que adopta la forma plantar de un ala delta, disponiendo en su extremo externo de la configuración de un cono truncado (24) , partiendo de los bordes laterales del extremo ancho del cono truncado (24) dos aristas situadas una a cada lado y convergentes en el punto de unión con la cara anterior de la zona central del porta- tubos en la cual se encuentra incorporada una almohadilla amortiguadora (28) por cuyo punto central pasa una canalización (23) que se conecta con la aguja (25) incorporada en el interior de un cuerpo elastomérico (26) de protección, permitiendo la introducción en el interior del cuerpo monopieza (27) del tubo de muestras (30) , provisto de su cabeza de adaptación, en la cual se inyecta la aguja (25) pasando la muestra extraída al interior del cuerpo (30) con independencia de la aguja que se utilice adaptada de forma polivalente al área externa del cono truncado (24) en el cual se hermetiza.7 § .- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the first claim, characterized in that in a second embodiment it is configured from a single piece body (27) which is presented in one of its ends a piece (22) made of transparent plastic material that takes the plantar shape of a delta wing, having at its outer end the configuration of a truncated cone (24), starting from the lateral edges of the wide end of the truncated cone (24 ) two edges located one on each side and converging at the junction point with the front face of the central area of the tube holder in which a cushion pad (28) is incorporated, through whose central point a pipe (23) passes which connects with the needle (25) incorporated into an elastomeric protection body (26), allowing the insertion into the interior of the single piece body (27) of the sample tube (30), provided with its adaptation head, in which inject the needle (25) by passing the extracted sample into the body (30) regardless of the needle that is used versatilely adapted to the external area of the truncated cone (24) in which it is sealed.
83.- Conjunto de aguja y portatubos modificado para la extracción al vacío de sangre y otros fluidos orgánicos, según la séptima reivindicación, caracterizado porque el elastómero (26) que protege a la aguja (25) , permite el paso de la aguja (25) por presión salvando la cabeza protectora (29) del tubo de muestras (30), recupe¬ rando nuevamente su posición inicial y protegiendo la aguja (25) el elastómero (26) cuando se ha realizado la incorporación de la muestra adquirida en el interior del cuerpo (30) . 83.- Modified needle and tube holder assembly for vacuum extraction of blood and other organic fluids, according to the seventh claim, characterized in that the elastomer (26) that protects the needle (25), allows the passage of the needle (25 ) by pressure saving the protective head (29) from the sample tube (30), recovering its initial position again and protecting the needle (25) the elastomer (26) when the incorporation of the sample acquired inside has been made of the body (30).
PCT/ES1995/000047 1994-04-27 1995-04-26 Needle and tube-carrier assembly WO1995028881A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22586/95A AU2258695A (en) 1994-04-27 1995-04-26 Needle and tube-carrier assembly

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES09400888A ES2078184B1 (en) 1994-04-27 1994-04-27 MODIFIED NEEDLE AND TUBE SET FOR VACUUM EXTRACTION OF BLOOD AND OTHER ORGANIC FLUIDS.
ESP.9400888 1994-04-27
ES09402572A ES2092443B1 (en) 1994-04-27 1994-12-16 IMPROVEMENTS INTRODUCED IN PATENT INVENTION N-9400888, RELATED TO A MODIFIED NEEDLE AND TUBE ASSEMBLY FOR THE VACUUM EXTRACTION OF BLOOD AND OTHER ORGANIC FLUIDS.
ESP.9402572 1994-12-16

Publications (1)

Publication Number Publication Date
WO1995028881A1 true WO1995028881A1 (en) 1995-11-02

Family

ID=8286030

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES1995/000047 WO1995028881A1 (en) 1994-04-27 1995-04-26 Needle and tube-carrier assembly

Country Status (3)

Country Link
AU (1) AU2258695A (en)
ES (2) ES2078184B1 (en)
WO (1) WO1995028881A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048425A1 (en) 1998-03-25 1999-09-30 The Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Sample collection device
US20160287219A1 (en) * 2014-09-09 2016-10-06 Chan Zhao A Disposable Negative-pressure Anterior Chamber Paracentesis syringe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1526595A (en) * 1922-08-21 1925-02-17 Gillman George Blood-extracting device
WO1982004387A1 (en) * 1981-06-01 1982-12-23 David H Malcolm Hemoseal blood collection device
WO1987006813A1 (en) * 1986-05-14 1987-11-19 Lamberto Roberti Needle for multiple vacuum blood sample devices
US4947863A (en) * 1988-08-30 1990-08-14 Habley Medical Technology Corporation Energy-dissipating, safety blood collection tube holder
EP0447726A1 (en) * 1990-03-19 1991-09-25 Becton, Dickinson and Company Plastic pointed articles and method for their preparation
EP0478459A1 (en) * 1990-09-26 1992-04-01 Terumo Kabushiki Kaisha Blood collecting needle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1007526Y (en) * 1988-09-12 1989-08-16 Ramos Monclus Jose BLOOD EXTRACTOR INSTRUMENT.
FR2665468B1 (en) * 1990-08-03 1992-11-27 Lebozec & Gautier SANITARY INSTALLATION WITH LOW PRESSURE PROVIDED WITH A GAS FLUID PURIFIER.
EP0489977A1 (en) * 1990-12-11 1992-06-17 Francesco Leopardi Device for taking blood from a patient and for transferring it to a test tube under vacuum

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1526595A (en) * 1922-08-21 1925-02-17 Gillman George Blood-extracting device
WO1982004387A1 (en) * 1981-06-01 1982-12-23 David H Malcolm Hemoseal blood collection device
WO1987006813A1 (en) * 1986-05-14 1987-11-19 Lamberto Roberti Needle for multiple vacuum blood sample devices
US4947863A (en) * 1988-08-30 1990-08-14 Habley Medical Technology Corporation Energy-dissipating, safety blood collection tube holder
EP0447726A1 (en) * 1990-03-19 1991-09-25 Becton, Dickinson and Company Plastic pointed articles and method for their preparation
EP0478459A1 (en) * 1990-09-26 1992-04-01 Terumo Kabushiki Kaisha Blood collecting needle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048425A1 (en) 1998-03-25 1999-09-30 The Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Sample collection device
US20160287219A1 (en) * 2014-09-09 2016-10-06 Chan Zhao A Disposable Negative-pressure Anterior Chamber Paracentesis syringe
US10660618B2 (en) * 2014-09-09 2020-05-26 Hangzhou Sightnovo Medical Technology Co., Ltd. Disposable negative-pressure anterior chamber paracentesis syringe
US11517293B2 (en) 2014-09-09 2022-12-06 Hangzhou Sightnovo Medical Technology Co., Ltd. Negative-pressure paracentesis syringe and use thereof

Also Published As

Publication number Publication date
AU2258695A (en) 1995-11-16
ES2092443A1 (en) 1996-11-16
ES2078184B1 (en) 1996-07-01
ES2092443B1 (en) 1997-08-01
ES2078184A1 (en) 1995-12-01

Similar Documents

Publication Publication Date Title
ES2208665T3 (en) SYRINGE ASSEMBLY WITH AN ACTIONABLE NEEDLE PROTECTION WITH ONE SINGLE HAND.
ES2821327T3 (en) Integrated catheter with independent fluid paths
ES2850362T3 (en) IV catheter device with integrated extension tube
ES2336316T3 (en) NEEDLE GUARD ASSEMBLY.
ES2388246T3 (en) Catheter introducer
ES2793656T3 (en) Pen needle assembly that prevents under-tightening and over-tightening of the pen needle
ES2275614T3 (en) CATETER CUBE.
ES2779057T3 (en) Passive safety of an intravenous blood collection catheter
ES2234297T3 (en) CATETER INTRODUCTION DEVICE WITH FIXING FINS.
ES2605353T3 (en) Pen needle system and safety shield
ES2235515T3 (en) INTRODUCTION DEVICE OF A CATETER WITH MONOBLOCK CLOSURE FOR DIVISIBLE CASE.
ES2822073T3 (en) IV needle and catheter assembly and method
ES2355397T3 (en) CATHETER IV ASSEMBLY WITH ERGONOMIC NEEDLE HANDLE.
ES2321061T3 (en) SAFETY PROTECTIONS FOR MEDICAL NEEDLES.
ES2314787T3 (en) SPRING PROTECTION OF THE NEEDLE POINT OF A SAFETY IV CATHETER.
ES2542988T3 (en) Needle Capture Mechanisms
US7204828B2 (en) Collection needle
ES2727902T3 (en) Infusion set with safety device
ES2445793T3 (en) Tip protector to prevent needle sticks
ES2534779T3 (en) Needle safety device for medical devices
ES2287004T3 (en) INTRAVENOUS SET WITH WINGS.
ES2369313T3 (en) NEEDLE CANNUL DEVICE CLOSED WITH EXTREME PROXIMAL CAP.
ES2236894T3 (en) PARENTERAL LIQUID TRANSFER DEVICE.
ES2703906T3 (en) Catheter needle tip protection device
ES2231562T3 (en) INJECTION SYRINGE WITH DISPLACABLE NEEDLE PROTECTOR.

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AM AT AU BB BG BR BY CA CH CN CZ DE DK EE ES FI GB GE HU IS JP KE KG KP KR KZ LK LR LT LU LV MD MG MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TT UA US UZ VN

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): KE MW SD SZ UG AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

NENP Non-entry into the national phase

Ref country code: CA