WO1991013644A1 - Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc. - Google Patents

Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc. Download PDF

Info

Publication number
WO1991013644A1
WO1991013644A1 PCT/FR1991/000182 FR9100182W WO9113644A1 WO 1991013644 A1 WO1991013644 A1 WO 1991013644A1 FR 9100182 W FR9100182 W FR 9100182W WO 9113644 A1 WO9113644 A1 WO 9113644A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
protection device
needle protection
syringe
envelope
Prior art date
Application number
PCT/FR1991/000182
Other languages
French (fr)
Inventor
Nicole Floquet
Original Assignee
Nicole Floquet
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
Priority claimed from FR9003077A external-priority patent/FR2659238B1/en
Application filed by Nicole Floquet filed Critical Nicole Floquet
Publication of WO1991013644A1 publication Critical patent/WO1991013644A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger

Definitions

  • the present invention relates to a needle protection system, syringe for blood sampling, infusion, transfusion,., After use, to prevent accidental injection and avoid the transmission of highly contagious diseases by blood.
  • the needle, syringe protection system for blood, infusion, transfusion consists of a protective envelope (2), inside the protective envelope (2) a body (1) and a spring tab. (3) which connects the body (1) to the protective envelope (2).
  • On the top of the protective casing (2) an orifice to let pass the nozzle of the body (1) receiving the needle.
  • a receptacle for receiving the specimen or a tube used to convey the samples or the liquid to be injected and on the top of the body (1) the nozzle receiving the needle.
  • the advantage of this system is to allow the protection of the needle with one hand at the time of extraction of this needle, which avoids any risk of accidental puncture by returning to put a protection at the end of the needle with the second hand, as in existing systems.
  • This needle protection system syringe for blood test, infusion, transfusion, ... adapts to a syringe with automatic protection of the needle at the end of injection, in this case, the body (1) and its needle and the envelope (2) being always interconnected by an accordion spring tab (3).
  • the body (1) and the casing (2) being snapped on by flexible tabs (b) taut tongue.
  • the flexible tabs (b) being tilted at the end of injection by the piston rod of the syringe, which has the effect of releasing the body (1) carrying the needle from the envelope (2); the tongue (3) then contracts, resumes its initial shape and pulls the body (1) and the needle inside of the envelope (2), which then prevents any accidental puncture as previously.
  • the body (1), the casing (2) and the spring tab (3) are made of plastic materials.
  • the system body, casing, spring tab
  • the system is produced in one, two or three parts depending on the costs of production.
  • Fig. 1 sectional view: the body (1) is snapped into the bottom of the protective envelope (2) using the notches (q) located on the articulated legs (a). The needle is attached to the nozzle of the body. The accordion tongue (3) is stretched.
  • Fig. 2 movement making it possible to release the body (1) by exerting pressure P on the legs (a) to rotate them and rotate the notches (q) to release the body (1).
  • Fig. 3 the tongue (3), contracting, has returned to its initial shape and has returned the body (1) and the needle into the envelope (2).
  • Fig. 4 system adapted to a syringe, the body (1) being immobilized by flexible tabs (b) with notches.
  • Fig. 5 the flexible tabs having been actuated by the rod at the end of injection, the tongue (3) has returned to its initial shape and has returned the body (1) to the envelope (3).
  • a variant of the system described can be adapted on standard syringes with the possibility of manual needle protection after aspiration, or automatic at the end of injection - the spring tongue (3) can be replaced by an elastic tongue.
  • This variant also includes a means of closing the orifice of the passage of the needle in the envelope in the retracted needle position.
  • protection system for blood sampling equipment can be adapted to allow the gripping of the test tubes placed and removal before extraction of the vein and protection of the needle.
  • the variant adaptable to a syringe consists of an envelope (2), an accordion or elastic spring tab (3) and a cap (10), integral with each other or in one piece, adapting on a syringe composed of a body (4) and a plunger (5).
  • the cap (10) is used for connecting the system to the syringe. Cylindrical, it is pierced in its center to allow the passage of the nozzle of the syringe body (4) and the mounting of the needle on the body (4), the cap (10) is mounted so as to make it integral with the syringe body (4) by clamping, gluing or welding.
  • a prominence (e) serving to flex the flexible tab (d) for protecting the needle which is in the orifice of the envelope (2) and possibly flexible tabs ( m) serving to prevent the extraction of the cap (10) from the envelope (2).
  • the protective casing (2) intended to be placed over the syringe body (4) is pierced at its end to allow the passage of the nozzle of the syringe body (4) and the mounting of the needle - in this orifice can be a flexible tab (d) comprising a cylindrical skirt used to prevent the needle from leaving after use - and carries at its other end one or more articulated tabs (a), on which one or more are located notches (q) used to snap the protective casing (2) onto the syringe body (4).
  • a flexible tab comprising a cylindrical skirt used to prevent the needle from leaving after use - and carries at its other end one or more articulated tabs (a), on which one or more are located notches (q) used to snap the protective casing (2) onto the syringe body (4).
  • This protection system has the particularity of being able to allow automatic protection of the needle at the end of injection or of allowing protection of the needle, full syringe for certain blood samples by a simple pressure (p) at the end of the articulated leg (a) .
  • a simple pressure (p) at the end of the articulated leg (a) Another feature of this system is that it can be fitted to standard syringes.
  • the spring tongue (3) can be replaced by an elastic or made of an elastic material.
  • the articulated legs (a) can be obtained by making slots on the casing (2) and by keeping connection points (i) to allow articulation.
  • the tongue (3) spring can be composed of an elastic or an elastic material to allow its elongation.
  • the spring tongue (3) (Fig. 14) can be obtained in a plastic material in a so-called accordion shape in order to be able to lengthen and resume its initial shape.
  • the cap (10) is mounted on the syringe body (4), the protective casing (2) over the body (4) and snapped onto the flange (h) at the base of the body (4) of the syringe (collar (h) used to put the fingers during the injection), the tongue (3) spring or elastic stretched.
  • the rod (5) of the syringe piston carries a flange (f) used to unlock the notches (q) which keep the envelope (2) snapped onto the body (4).
  • Fig. 8 System mounted on syringe in position of use, the flexible tab (c) is brought back on the flange (f) of the rod (5) of the syringe piston during assembly.
  • the notches (q) are enciiquetés on the flange (h) of the body (4) of syringe, tongue (d) tilted by the prominence (e) of the cap (10).
  • Fig. 10-1 Obis Injection -
  • the flange (f) of the piston rod (5) rotates the flexible tab (c) inwards, which has the effect of creating a relief which at passage of the collar (f) rotates the articulated tab (a) outwards, the notches (q) releasing the collar (h) from the syringe body (4).
  • the syringe body (4) is detached from the protective casing (2), the spring tab (3) can return to its initial shape and return the body (4) and the needle to the casing (2).
  • Fig. 14 Variant in the case of blood collection tube: on the envelope (2) one can provide openings (g) which will allow the gripping and the extraction of the tubes before extraction of the vein. On the envelope 2 are one or more tabs (a). On the body 1 is a flexible tab (d) and on the cap (1) the prominence (e).

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

System comprising a body (1) to which is fixed the needle, a protective casing (2) and a spring tab (3) operated by the hand used to manipulate the syringe by means of pressure on lugs (a) or possibly on lugs (b) via the piston rod in the case of a syringe.

Description

•A Système de protection d'aiguille, de seringue pour prise de sang, perfusion, transfusion,.... • A Needle protection system, syringe for blood test, infusion, transfusion, ....
La présente invention concerne un système de protection d'aiguille, de seringue pour prise de sang, perfusion, transfusion,., après utilisation, pour éviter toute piqûre accidentelle et éviter la transmission des maladies hautement contagieuses par voies sanguines. Le système de protection d'aiguille, de seringue pour prise de sang, perfusion, transfusion se compose d'une enveloppe protectrice (2), à l'intérieur de l'enveloppe protectrice (2) un corps(1 ) et une languette ressort (3) qui relie le corps (1) à l'enveloppe protectrice (2). Sur le dessus de l'enveloppe protectrice (2) un orifice pour laisser passer l'ajutage du corps (1 ) recevant l'aiguille. Sur l'enveloppe protectrice (2) des pattes articulées (a) portant des crans (q), ces crans (q) servant à encliqueter le corps (1) au fond de l'enveloppe protectrice (2), la languette ressort (3) tendue. Dans le corps (1 ), un réceptacle pour recevoir Péprouvette ou un tube servant à acheminer les prélèvements ou le liquide à injecter, et sur le dessus du corps (1) l'ajutage recevant l'aiguille.The present invention relates to a needle protection system, syringe for blood sampling, infusion, transfusion,., After use, to prevent accidental injection and avoid the transmission of highly contagious diseases by blood. The needle, syringe protection system for blood, infusion, transfusion consists of a protective envelope (2), inside the protective envelope (2) a body (1) and a spring tab. (3) which connects the body (1) to the protective envelope (2). On the top of the protective casing (2) an orifice to let pass the nozzle of the body (1) receiving the needle. On the protective casing (2) of the articulated legs (a) carrying notches (q), these notches (q) serving to snap the body (1) to the bottom of the protective casing (2), the spring tongue (3 ) tense. In the body (1), a receptacle for receiving the specimen or a tube used to convey the samples or the liquid to be injected, and on the top of the body (1) the nozzle receiving the needle.
En fin d'utilisation, il suffit d'une pression à l'extrémité des pattes (a) pour les faire pivoter, ce mouvement permet le basculement des crans (q) qui libèrent le corps (1). A ce moment, la languette ressort (3) se contracte pour reprendre sa forme initiale, ce qui a pour action de tirer le corps (1) avec l'aiguille à l'intérieur de l'enveloppe protectrice (2). Le corps (1) et l'aiguille se trouvant à l'intérieur de l'enveloppe (2) cela évite toute piqûre accidentelle lors de la manipulation du système.At the end of use, it is enough to press at the end of the legs (a) to rotate them, this movement allows the tilting of the notches (q) which release the body (1). At this time, the spring tab (3) contracts to resume its initial shape, which has the effect of pulling the body (1) with the needle inside the protective envelope (2). The body (1) and the needle being inside the envelope (2) this prevents any accidental puncture when handling the system.
L'avantage de ce système est de permettre, la protection de l'aiguille d'une seule main au moment de l'extraction de cette aiguille, ce qui évite tout risque de piqûre accidentelle en revenant mettre une protection en bout de l'aiguille avec la deuxième main, comme dans les systèmes existants.The advantage of this system is to allow the protection of the needle with one hand at the time of extraction of this needle, which avoids any risk of accidental puncture by returning to put a protection at the end of the needle with the second hand, as in existing systems.
Ce système de protection d'aiguille, de seringue pour prise de sang, perfusion, transfusion,... s'adapte à une seringue avec protection automatique de l'aiguille en fin d'injection, dans ce cas, le corps (1) et son aiguille et l'enveloppe (2) étant toujours reliés entre eux par une languette ressort accordéon (3). Le corps (1) et l'enveloppe (2) étant encliquetés par des pattes flexibles (b) languette tendue. Les pattes flexibles (b) étant basculées en fin d'injection par la tige du piston de la seringue ce qui a pour effet de libérer le corps (1 ) portant l'aiguille de l'enveloppe (2) ; la languette (3) alors se contracte, reprend sa forme initiale et tire le corps (1) et l'aiguille à l'intérieur de l'enveloppe (2), ce qui évite alors toute piqûre accidentelle comme précédemment. Dans les deux cas décrits précédemment le corps (1 ), l'enveloppe (2) et la languette ressort (3) sont en matériaux plastiques. Le système (corps, enveloppe, languette ressort) est réalisé en une, deux ou trois pièces fonction des coûts de réalisation.This needle protection system, syringe for blood test, infusion, transfusion, ... adapts to a syringe with automatic protection of the needle at the end of injection, in this case, the body (1) and its needle and the envelope (2) being always interconnected by an accordion spring tab (3). The body (1) and the casing (2) being snapped on by flexible tabs (b) taut tongue. The flexible tabs (b) being tilted at the end of injection by the piston rod of the syringe, which has the effect of releasing the body (1) carrying the needle from the envelope (2); the tongue (3) then contracts, resumes its initial shape and pulls the body (1) and the needle inside of the envelope (2), which then prevents any accidental puncture as previously. In the two cases described above, the body (1), the casing (2) and the spring tab (3) are made of plastic materials. The system (body, casing, spring tab) is produced in one, two or three parts depending on the costs of production.
La description et les schémas ci-après permettront de mieux comprendre cette invention :The following description and diagrams will allow a better understanding of this invention:
Fig. 1 : vue en coupe : le corps (1 ) est encliqueté au fond de l'enveloppe protectrice (2) à l'aide des crans (q) se trouvant sur les pattes articulées (a). L'aiguille est fixée sur l'ajutage du corps. La languette accordéon (3) est tendue.Fig. 1: sectional view: the body (1) is snapped into the bottom of the protective envelope (2) using the notches (q) located on the articulated legs (a). The needle is attached to the nozzle of the body. The accordion tongue (3) is stretched.
Fig. 2 : mouvement permettant de libérer le corps (1 ) en exerçant une pression P sur les pattes (a) pour les faire pivoter et faire une rotation des crans (q) pour libérer le corps (1 ). Fig. 3.: la languette (3) en se contractant a repris sa forme initiale et a rentré le corps (1) et l'aiguille dans l'enveloppe (2).Fig. 2: movement making it possible to release the body (1) by exerting pressure P on the legs (a) to rotate them and rotate the notches (q) to release the body (1). Fig. 3 .: the tongue (3), contracting, has returned to its initial shape and has returned the body (1) and the needle into the envelope (2).
Fig. 4 : système adapté à une seringue le corps (1) étant immobilisé par des pattes flexibles (b) avec des crans.Fig. 4: system adapted to a syringe, the body (1) being immobilized by flexible tabs (b) with notches.
Fig. 5 : les pattes flexibles ayant été actionnées par la tige en fin d'injection, la languette (3) a repris sa forme initiale et a rentré le corps (1) dans l'enveloppe (3).Fig. 5: the flexible tabs having been actuated by the rod at the end of injection, the tongue (3) has returned to its initial shape and has returned the body (1) to the envelope (3).
Une variante au système décrit peut être adaptée sur des seringues standards avec possibilité de protection manuelle d'aiguille après aspiration, ou automatique en fin d'injection - la languette ressort (3) peut être remplacée par une languette élastique. Cette variante comporte aussi un moyen d'obturer l'orifice du passage de l'aiguille dans l'enveloppe en position aiguille rentrée.A variant of the system described can be adapted on standard syringes with the possibility of manual needle protection after aspiration, or automatic at the end of injection - the spring tongue (3) can be replaced by an elastic tongue. This variant also includes a means of closing the orifice of the passage of the needle in the envelope in the retracted needle position.
Une autre variante du système de protection pour le matériel de prélèvement sanguin peut être adaptée pour permettre la préhension des éprouvettes mises en place et enlèvement avant extraction de la veine et protection de l'aiguille.Another variant of the protection system for blood sampling equipment can be adapted to allow the gripping of the test tubes placed and removal before extraction of the vein and protection of the needle.
La variante adaptable sur une seringue se compose d'une enveloppe (2), d'une languette ressort accordéon ou élastique (3) et d'un chapeau (10), solidaires les uns des autres ou en une seule pièce, s'adaptant sur une seringue composée d'un corps (4) et d'un piston (5).The variant adaptable to a syringe consists of an envelope (2), an accordion or elastic spring tab (3) and a cap (10), integral with each other or in one piece, adapting on a syringe composed of a body (4) and a plunger (5).
Le chapeau (10) sert à la liaison du système sur la seringue. Cylindrique, il est percé en son centre pour permettre le passage de l'ajutage du corps (4) de seringue et le montage de l'aiguille sur le corps (4), le chapeau (10) est monté de façon à le rendre solidaire du corps (4) de seringue par serrage, collage ou soudage. Sur le dessus du chapeau (10), une proéminence (e), servant à fléchir la patte flexible (d) de protection de l'aiguille qui se trouve dans l'orifice de l'enveloppe (2) et éventuellement des pattes souples (m) servant à éviter l'extraction du chapeau (10) de l'enveloppe (2).The cap (10) is used for connecting the system to the syringe. Cylindrical, it is pierced in its center to allow the passage of the nozzle of the syringe body (4) and the mounting of the needle on the body (4), the cap (10) is mounted so as to make it integral with the syringe body (4) by clamping, gluing or welding. On the top of the hat (10), a prominence (e), serving to flex the flexible tab (d) for protecting the needle which is in the orifice of the envelope (2) and possibly flexible tabs ( m) serving to prevent the extraction of the cap (10) from the envelope (2).
L'enveloppe (2) de protection prévue pour se mettre par dessus le corps (4) de seringue, est percée en son extrémité pour permettre le passage de l'ajutage du corps (4) de seringue et le montage de l'aiguille - dans cet orifice peut se trouver une patte flexible (d) comportant une jupe cylindrique servant à éviter la sortie de l'aiguille après utilisation - et porte à son autre extrémité une ou plusieurs pattes articulées (a), sur lesquelles se trouvent un ou plusieurs crans (q) servant à encliquéter l'enveloppe (2) de protection sur le corps (4) de seringue. Sur ces pattes articulées (a) se trouvent des languettes flexibles (c) permettant le passage de la collerette (f) de la tige (5) du piston en aspiration sans déverrouiller l'enveloppe (2) de sur le corps (4) et de déverrouiller automatiquement l'enveloppe (2) en fin d'injection. Les languettes flexibles (c) reprenant leur position initiale après passage de la collerette (f) et fléchissent, à l'injection, au passage de la collerette (f) ce qui a pour effet de créer un relief qui fait basculer les pattes (a) ce qui permet par le basculement des crans (q) de libérer le corps (4) de seringue. A l'extrémité de l'enveloppe (2) une collerette (j) sert à l'appui des doigts et éventuellement des ouvertures (n) recevant des pattes (m) en position chapeau (10) rentré- Ce système de protection a la particularité de pouvoir permettre la protection automatique de l'aiguille en fin d'injection ou de permettre une protection de l'aiguille, seringue pleine pour certains prélèvements sanguins par une simple pression (p) à l'extrémité de la patte articulée (a). Ce système a comme autre particularité de pouvoir s'adapter sur des seringues standards. Entre autre, la languette (3) ressort peut être remplacée par un élastique ou constituée par un matériau élastique. Selon des procédés particuliers de fabrication, les pattes articulées (a) peuvent être obtenues en réalisant des fentes sur l'enveloppe (2) et en gardant des points de liaison (i) pour permettre l'articulation. Selon des procédés particuliers de fabrication, la languette (3) ressort peut être composée d'un élastique ou d'un matériau élastique pour permettre son allongement.The protective casing (2) intended to be placed over the syringe body (4) is pierced at its end to allow the passage of the nozzle of the syringe body (4) and the mounting of the needle - in this orifice can be a flexible tab (d) comprising a cylindrical skirt used to prevent the needle from leaving after use - and carries at its other end one or more articulated tabs (a), on which one or more are located notches (q) used to snap the protective casing (2) onto the syringe body (4). On these articulated legs (a) are flexible tongues (c) allowing the passage of the flange (f) of the rod (5) of the piston in suction without unlocking the casing (2) from on the body (4) and automatically unlock the envelope (2) at the end of injection. The flexible tabs (c) returning to their initial position after passage of the flange (f) and bend, upon injection, in the passage of the flange (f) which has the effect of creating a relief which causes the legs to tilt (a ) which allows by the tilting of the notches (q) to release the syringe body (4). At the end of the envelope (2) a flange (j) is used to support the fingers and possibly openings (n) receiving tabs (m) in the hat position (10) retracted. This protection system has the particularity of being able to allow automatic protection of the needle at the end of injection or of allowing protection of the needle, full syringe for certain blood samples by a simple pressure (p) at the end of the articulated leg (a) . Another feature of this system is that it can be fitted to standard syringes. Among other things, the spring tongue (3) can be replaced by an elastic or made of an elastic material. According to particular manufacturing methods, the articulated legs (a) can be obtained by making slots on the casing (2) and by keeping connection points (i) to allow articulation. According to particular manufacturing methods, the tongue (3) spring can be composed of an elastic or an elastic material to allow its elongation.
Selon des procédés particuliers de fabrication, la languette ressort (3) (Fig.14) peut être obtenue dans un matériau plastique sous une forme dite accordéon pour pouvoir s'allonger et reprendre sa forme initiale. -iAccording to particular manufacturing methods, the spring tongue (3) (Fig. 14) can be obtained in a plastic material in a so-called accordion shape in order to be able to lengthen and resume its initial shape. -i
En position d'utilisation, le chapeau (10) est monté sur le corps (4) de seringue, l'enveloppe (2) de protection par dessus le corps (4) et encliquetée sur la collerette (h) à la base du corps (4) de la seringue (collerette (h) servant à mettre les doigts lors de l'injection), la languette (3) ressort ou élastique tendue. La tige (5) du piston de la seringue porte une collerette (f) servant au déverrouillage des crans (q) qui maintiennent encliquéter l'enveloppe (2) sur le corps (4).In the position of use, the cap (10) is mounted on the syringe body (4), the protective casing (2) over the body (4) and snapped onto the flange (h) at the base of the body (4) of the syringe (collar (h) used to put the fingers during the injection), the tongue (3) spring or elastic stretched. The rod (5) of the syringe piston carries a flange (f) used to unlock the notches (q) which keep the envelope (2) snapped onto the body (4).
Fig. 6 Descriptif :Fig. 6 Description:
10 - chapeau 2 - enveloppe de protection10 - hat 2 - protective envelope
3 - languette ressort ou élastique a - patte articulée q - crans des pattes articulées c - patte flexible d - patte flexible pour éviter la sortie de l'aiguille après utilisation e - proéminence i - articulation j - collerette de l'enveloppe Fig. 7 Chapeau (10) en position de montage sur le corps de la seringue, la proéminence (e) ayant basculée la patte flexible (d), la languette ressort ou élastique (3) tendue.3 - spring or elastic tongue a - articulated tab q - notches of the articulated tabs c - flexible tab d - flexible tab to prevent the needle coming out after use e - prominence i - articulation j - envelope flange Fig. 7 Cap (10) in the mounting position on the body of the syringe, the prominence (e) having tilted the flexible tab (d), the spring or elastic tongue (3) stretched.
Fig. 8 Système monté sur seringue en position d'utilisation, la patte flexible (c) est ramenée sur la collerette (f) de la tige (5) du piston de la seringue lors du montage. Les crans (q) sont enciiquetés sur la collerette (h) du corps (4) de seringue, languette (d) basculée par la proéminence (e) du chapeau (10).Fig. 8 System mounted on syringe in position of use, the flexible tab (c) is brought back on the flange (f) of the rod (5) of the syringe piston during assembly. The notches (q) are enciiquetés on the flange (h) of the body (4) of syringe, tongue (d) tilted by the prominence (e) of the cap (10).
Fig. 9-9bis Aspiration - La collerette (f) de la tige (5) du piston fait pivoter la patte flexible (c) à l'aspiration sans déverrouiller l'enveloppe (2) de sur le corps (4).Fig. 9-9bis Aspiration - The flange (f) of the piston rod (5) makes the flexible tab (c) pivot on the suction without unlocking the casing (2) on the body (4).
Fig.10-1 Obis Injection - En fin d'injection, la collerette (f) de la tige (5) du piston fait pivoter la patte flexible (c) vers l'intérieur ce qui a pour action de créer un relief qui au passage de la collerette (f) fait pivoter la patte articulée (a) vers l'extérieur, les crans (q) libérant la collerette (h) du corps de seringue (4). Le corps de seringue (4) est désolidarisé de l'enveloppe de protection (2), la languette ressort (3) peut reprendre sa forme initiale et rentrer le corps (4) et l'aiguille dans l'enveloppe (2).Fig. 10-1 Obis Injection - At the end of the injection, the flange (f) of the piston rod (5) rotates the flexible tab (c) inwards, which has the effect of creating a relief which at passage of the collar (f) rotates the articulated tab (a) outwards, the notches (q) releasing the collar (h) from the syringe body (4). The syringe body (4) is detached from the protective casing (2), the spring tab (3) can return to its initial shape and return the body (4) and the needle to the casing (2).
(P) pression exercée à l'extrémité de la patte (a) pour la faire pivoter en position aspiration ou avant injection totale. Fig. 11 Seringue après utilisation - le corps (4) et l'aiguille sont rentrés à l'intérieur de l'enveloppe (2), la languette ressort ou élastique (3) a repris sa forme initiale, la patte flexible (d) a repris également sa position initiale pour éviter la sortie de l'aiguille.(P) pressure exerted at the end of the tab (a) to rotate it in the suction position or before total injection. Fig. 11 Syringe after use - the body (4) and the needle have returned to the inside of the envelope (2), the spring or elastic tongue (3) has returned to its original shape, the flexible tab (d) has returned also its initial position to avoid the needle coming out.
Fig. 12 Position d'utilisation : le chapeau (10) au fond de l'enveloppe (2), les pattes (m) ont fléchi au montage, (n) ouverture dans l'enveloppe (2).Fig. 12 Position of use: the cap (10) at the bottom of the envelope (2), the tabs (m) have bent during assembly, (n) opening in the envelope (2).
Fig.13 Position chapeau (10) rentré, les pattes (m) se détendent pour reprendre leur position initiale et se positionnent dans les ouvertures (n) en position de harpon et empêche l'extraction du chapeau (10) de l'enveloppe (2).Fig. 13 Hat position (10) retracted, the tabs (m) relax to return to their initial position and are positioned in the openings (n) in the harpoon position and prevents the extraction of the hat (10) from the envelope ( 2).
Fig. 14 Variante dans le cas de tube à prélèvement sanguins : sur l'enveloppe (2) on peut prévoir des ouvertures (g) qui permettront la préhension et l'extraction des tubes avant extraction de la veine. Sur l'enveloppe 2 se trouvent une ou plusieurs pattes (a). Sur le corps 1 se trouve une patte flexible (d) et sur le chapeau (1 ) la proéminence (e). Fig. 14 Variant in the case of blood collection tube: on the envelope (2) one can provide openings (g) which will allow the gripping and the extraction of the tubes before extraction of the vein. On the envelope 2 are one or more tabs (a). On the body 1 is a flexible tab (d) and on the cap (1) the prominence (e).

Claims

eREVENDICATIONS eREVENDICATIONS
1. Dispositif de protection d'aiguille, de seringue pour prise de sang, perfusion, transfusion, cathéter...pour éviter les piqûres accidentelles caractérisé en ce qu'il est constitué par une enveloppe protectrice (2) dans laquelle se trouve encliqueté un corps (1), surmonté d'un ajutage recevant l'aiguille, et d'une languette ressort (3) solidaire du corps (1 ) et de l'enveloppe protectrice (2) servant à rentrer le corps (1) et son aiguille dans l'enveloppe protectrice (2).1. Device for protecting a needle, syringe for taking blood, perfusion, transfusion, catheter, etc. to avoid accidental punctures, characterized in that it is constituted by a protective envelope (2) in which is snapped a body (1), surmounted by a nozzle receiving the needle, and a spring tab (3) integral with the body (1) and the protective envelope (2) serving to return the body (1) and its needle in the protective cover (2).
2 Dispositif de protection d'aiguille..., selon la revendication 1 , caractérisé en ce qu' il comporte des pattes articulées (a) ou (b) de verrouillage et de déverrouillage du corps (1) dans Penveloppe(2).2 needle protection device ..., according to claim 1, characterized in that it comprises articulated lugs (a) or (b) for locking and unlocking the body (1) in the envelope (2).
3. Dispositif de protection d'aiguille..., selon les revendications 1 et 2, caractérisé en ce que l'enveloppe (2), le corps (1 ) et la languette ressort (3) sont réalisés en une ou plusieurs pièces dans un matériau plastique.3. Needle protection device ..., according to claims 1 and 2, characterized in that the casing (2), the body (1) and the spring tab (3) are made in one or more pieces in a plastic material.
4. Dispositif de protection d'aiguille..., selon l'une des revendications précédentes, caractérisé en ce que le système est adaptable sur une seringue standard, le corps 1 étant remplacé par un chapeau (10) servant de liaison sur la seringue.4. needle protection device ..., according to one of the preceding claims, characterized in that the system is adaptable to a standard syringe, the body 1 being replaced by a cap (10) serving as a connection on the syringe .
5. Dispositif de protection d'aiguille... selon les revendications 1 à 4, caractérisé en ce que la languette (3) ressort est en forme d'accordéon pour pouvoir s'allonger et reprendre sa forme initiale.5. Needle protection device ... according to claims 1 to 4, characterized in that the tongue (3) spring is in the form of an accordion to be able to lengthen and resume its original shape.
6 Dispositif de protection d'aiguille..., selon les revendications 1 à 4, caractérisé en ce que la languette (3) ressort peut être remplacée par un élastique ou un matériau élastique.6 needle protection device ..., according to claims 1 to 4, characterized in that the tongue (3) spring can be replaced by an elastic or an elastic material.
7. Dispositif de protection d'aiguille..., selon les revendications 1 à 6, caractérisé en ce que les crans d'encliquetage (q) sur les pattes (a) servent à l'encliquetage sur la collerette (h) du corps (4) de la seringue.7. needle protection device ..., according to claims 1 to 6, characterized in that the latching notches (q) on the tabs (a) are used for latching on the flange (h) of the body (4) of the syringe.
8. Dispositif de protection d'aiguille..., selon les revendications 4 et 7 caractérisé en ce que la ou les pattes articulées (a) comportent des languettes flexibles (c) permettant l'aspiration servant au déverrouillage en fin d'injection. 8. Needle protection device ..., according to claims 4 and 7 characterized in that the articulated lug (s) (a) have flexible tongues (c) allowing the suction used for unlocking at the end of injection.
9. Dispositif de protection d'aiguille..., selon les revendications 1 , 2, 3 et 7, caractérisé en ce que le système d'articulation de la ou des pattes (a) se fait par points de jonction servant d'articulation (i) sur l'enveloppe (2).9. needle protection device ..., according to claims 1, 2, 3 and 7, characterized in that the articulation system of the tab (s) (a) is made by junction points serving as articulation (i) on the envelope (2).
10. Dispositif de protection d'aiguille..., selon l'une quelconque des revendications précédentes, caractérisé en ce que la patte flexible (d) à l'intérieur de l'enveloppe (2), manoeuvrées par la proéminence (e) du chapeau (10) sert à éviter la sortie de l'aiguille après utilisation. ?10. needle protection device ..., according to any one of the preceding claims, characterized in that the flexible tab (d) inside the envelope (2), operated by the prominence (e) cap (10) is used to prevent the needle from coming out after use. ?
11 Dispositif de protection d'aiguille..., selon l'une quelconque des revendications précédentes, caractérisé en ce que le verrouillage du chapeau (10) se fait par des pattes souples (m) rentrant dans l'ouverture (n) et faisant harpons pour éviter l'extraction.11 needle protection device ..., according to any one of the preceding claims, characterized in that the locking of the cap (10) is done by flexible tabs (m) entering the opening (n) and making harpoons to avoid extraction.
12. Dispositif de protection d'aiguille..., selon les revendications 1 , 2, 3, 5 et 6, caractérisé en ce qu'il comporte des ouvertures pour la préhension des tubes de prélèvement. 12. Needle protection device ..., according to claims 1, 2, 3, 5 and 6, characterized in that it comprises openings for gripping the sampling tubes.
PCT/FR1991/000182 1990-03-08 1991-03-07 Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc. WO1991013644A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR90/03077 1990-03-08
FR9003077A FR2659238B1 (en) 1990-03-08 1990-03-08 PROTECTION SYSTEM FOR NEEDLE FOR BLOOD TAKING, PERFUSION, TRANSFUSION, SYRINGE, ....
FR90/11164 1990-09-06
FR9011164A FR2666511B2 (en) 1990-03-08 1990-09-06 PROTECTION SYSTEM FOR NEEDLE FOR BLOOD TAKING PERFUSION, TRANSFUSION, SYRINGE, CATHETER, ....

Publications (1)

Publication Number Publication Date
WO1991013644A1 true WO1991013644A1 (en) 1991-09-19

Family

ID=26227921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1991/000182 WO1991013644A1 (en) 1990-03-08 1991-03-07 Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc.

Country Status (3)

Country Link
AU (1) AU7550691A (en)
FR (1) FR2666511B2 (en)
WO (1) WO1991013644A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102512182A (en) * 2011-12-31 2012-06-27 山东新华安得医疗用品有限公司 Safe needle holder for blood taking needle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002254A1 (en) * 1985-10-11 1987-04-23 Physionic Gesellschaft Für Medizin- Und Systemtech Injection syringe
US4758231A (en) * 1987-04-27 1988-07-19 Habley Medical Technology Corporation Shielded safety syringe
EP0317518A1 (en) * 1987-10-08 1989-05-24 Carlo Tamburini Needle protector device for syringe.
WO1989004678A1 (en) * 1987-11-09 1989-06-01 Habley Medical Technology Corporation Shielded safety syringe having a retractable needle
US4850977A (en) * 1988-01-29 1989-07-25 Bayless William B Button activated automatic needle sheath for disposable syringe
US4894055A (en) * 1988-12-28 1990-01-16 Sudnak Paul J Needle guard assembly for use with hypodermic syringes and the like
US4900311A (en) * 1988-12-06 1990-02-13 Lawrence Stern Hypodermic syringe
US4927416A (en) * 1987-12-02 1990-05-22 National Medical Device Corporation User-protective hypodermic syringe holder

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002254A1 (en) * 1985-10-11 1987-04-23 Physionic Gesellschaft Für Medizin- Und Systemtech Injection syringe
US4758231A (en) * 1987-04-27 1988-07-19 Habley Medical Technology Corporation Shielded safety syringe
EP0317518A1 (en) * 1987-10-08 1989-05-24 Carlo Tamburini Needle protector device for syringe.
WO1989004678A1 (en) * 1987-11-09 1989-06-01 Habley Medical Technology Corporation Shielded safety syringe having a retractable needle
US4927416A (en) * 1987-12-02 1990-05-22 National Medical Device Corporation User-protective hypodermic syringe holder
US4850977A (en) * 1988-01-29 1989-07-25 Bayless William B Button activated automatic needle sheath for disposable syringe
US4900311A (en) * 1988-12-06 1990-02-13 Lawrence Stern Hypodermic syringe
US4894055A (en) * 1988-12-28 1990-01-16 Sudnak Paul J Needle guard assembly for use with hypodermic syringes and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102512182A (en) * 2011-12-31 2012-06-27 山东新华安得医疗用品有限公司 Safe needle holder for blood taking needle

Also Published As

Publication number Publication date
FR2666511B2 (en) 1994-11-04
FR2666511A2 (en) 1992-03-13
AU7550691A (en) 1991-10-10

Similar Documents

Publication Publication Date Title
EP0519922B1 (en) Syringe with self-retracting needle
FR2785192A1 (en) DEVICE FOR PROTECTING THE NEEDLE POINT OF A CATHETER
FR2733155A1 (en) RECHARGEABLE SELF-INJECTOR
FR2778853A1 (en) Injection syringe with spring-loaded needle guard
FR2475641A1 (en) PUMP FOR DISPENSING A FLUID PRODUCT
FR2781378A1 (en) Perfusion needle attachment, has support with extractor and guard to allow easy withdrawal of needle and protection for person manipulating it
WO2004087242A1 (en) Device for protection of the needle for a syringe and injection device comprising a syringe and said protection device
CA2307131A1 (en) Safety syringe for medical use
FR2628635A1 (en) SYRINGE FOR SINGLE USE
WO2000056383A1 (en) Safety syringe for medical use
WO2002017995A1 (en) Device for protecting a syringe, in particular for a syringe used for injecting radioactive product(s)
FR2764195A1 (en) SELF-RETRACTING NEEDLE SYRINGE
FR2648716A1 (en) SINGLE USE SYRINGE. SELF-CONTAINING SYRINGE-NEEDLE COMBINATION IN A PROTECTIVE SLEEVE
EP2029202B1 (en) Safety device for injecting a medicinal product, such as a lyophilized product
FR2675999A1 (en) Safety syringe
WO1991013644A1 (en) Needle protection system, for syringe, for blood samples, perfusion, transfusion, etc.
WO2003033060A1 (en) Safety device for a syringe
EP0327441B1 (en) Heat exchanger
EP2282316B1 (en) Electric switch for a rear door or tailgate of an automobile
FR2622804A1 (en) Non-reusable syringe
KR20050115301A (en) Blood collecting device and method of fixing it
WO1997014452A1 (en) Suction syringe and suction device comprising same
FR2772621A1 (en) Retractable and disposable safety syringe - has projecting tip on plunger piston shaped to engage with lugs in needle holder at end of plunger travel.
FR2659238A1 (en) System for protection of needle for blood sampling, perfusion, transfusion, syringe, etc.
FR2727021A1 (en) Single-use syringe with automatic retraction of needle

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA JP NO SU US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BF BJ CF CG CH CM DE DK ES FR GA GB GR IT LU ML MR NL SE SN TD TG

NENP Non-entry into the national phase

Ref country code: CA