FR2639832A1 - Injection syringe which can be used only once - Google Patents

Injection syringe which can be used only once Download PDF

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Publication number
FR2639832A1
FR2639832A1 FR8815897A FR8815897A FR2639832A1 FR 2639832 A1 FR2639832 A1 FR 2639832A1 FR 8815897 A FR8815897 A FR 8815897A FR 8815897 A FR8815897 A FR 8815897A FR 2639832 A1 FR2639832 A1 FR 2639832A1
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FR
France
Prior art keywords
syringe
lock
piston
rod
hooks
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR8815897A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8815897A priority Critical patent/FR2639832A1/en
Publication of FR2639832A1 publication Critical patent/FR2639832A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • A61M2005/5026—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston allowing single filling of syringe
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • A61M2005/5033—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston by use of an intermediate blocking member positioned between the syringe barrel and the piston rod to prevent retraction of the latter, e.g. toothed clip placed on the piston rod
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (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

Medical injection syringe comprising, on the notched rod of the plunger, a movable lock; the said lock has teeth and hooks which, upon manipulation, lock, on the one hand, in the notches of the rod and, on the other hand, in the recess formed in the circular base of the syringe. These arrangements prevent the syringe from being used a second time and eliminate the risks of contamination associated with subsequent use of the same syringe. The invention is used in the medical field.

Description

La présente invention a pour objet une seringue utilisable une seule fois. elle n'est pas réutilisable du fait d'un système méchanique bloquant le mouvement du piston après l'injection. The present invention relates to a syringe usable only once. it is not reusable due to a mechanical system blocking the movement of the piston after injection.

Les seringues habituellement employées pour pratiquer les injections hypodermiques ou intraveineuses ou pour toutes autres utilisations ou fins médicales, sont essentiellement constituées d'un corps cylindrique creux muni d'une aiguille et d'un piston dont le mouvement permet å la traction de remplir la seringue. puls a la pression d'injecter le produit contenu dans la dite seringue. Ce type de seringue est réutilisable et peut de par les emplois successifs répétés ne pas assurer l'asepsle nécessaire, en particulier dans la contamination des maladies à hauts risques. The syringes usually used for practicing hypodermic or intravenous injections or for any other use or medical purpose, essentially consist of a hollow cylindrical body provided with a needle and a plunger whose movement allows the traction to fill the syringe . puls has the pressure to inject the product contained in said syringe. This type of syringe is reusable and may by repeated successive uses not provide the necessary asepsle, in particular in the contamination of high-risk diseases.

Bien que les recommandations soient faites de jeter ou de détruire les seringues après usage, il est reconnu que cette précaution n'est pas toujours appliquée
Le procédé, suivant l'invention, a pour objet de remédier à cet inconvénient
Conformement à l'invention, la seringue est composée -d'un corps Cylindrique Creux perce 3 l'une de se extrémités laquelle comporte un embout permettant de recevoir l'aiguille et ouvert a l'autre extrémité, sur son diamètre intérieur laquelle comporte un retour en forme de
U, permettant, d'une part de maintenir manuellement la seringue, lors de l'injection. et d'autre part de recevoir les crocs d'un verrou mobile qui une fois engage dans l'évidement du dit retour interdit toutes autres
utilisations ulterieures de la seringue -d'un piston insère sur une tige, la dite tige comportent des crenelures -d'un verrou m'bile comportent, d'une part une denture et
d'autre part de crocs.Although recommendations are made to discard or destroy syringes after use, it is recognized that this precaution is not always applied
The object of the process according to the invention is to remedy this drawback
In accordance with the invention, the syringe is composed of a hollow cylindrical body which pierces one of its ends, which has a nozzle allowing the needle to be received and which is open at the other end, on its internal diameter which comprises a back in the form of
U, allowing, on the one hand to manually maintain the syringe, during the injection. and on the other hand to receive the hooks of a movable lock which once engaged in the recess of said return prohibits all other
subsequent uses of the syringe -a piston inserted on a rod, the said rod have crenellations -a lock me bile have, on the one hand a toothing and
on the other hand, fangs.

Cette disposition permet de fabriquer des seringues inutilisables apres une seule utilisation
D'autres caractéristiques et avantages de l'invention seront iûieux compris s la lecture de la descripticîn qui va suivre d'un mode de réalisation et en se referant au dessin annexe, sur lequel -ls figure 1 est une vue en coupe d'une seringue n' ayant pas été utilisée -la figure 2 est une vue en coupe d'une seringue après la phase de remplissage et ayant l'injection -la figure s est une vue en coupe d'une seringue après utilisation -la figure 4 est une vue en coupe sur le corps cylindrique creux -la figure 5 est une vue en coupe sur le piston -la figure 6 est une sue en coupe sur la tige crénelée -la figure 7 est une vue en coupe sur le verrou mobile.This arrangement makes it possible to manufacture unusable syringes after a single use.
Other characteristics and advantages of the invention will be fully understood when reading the description which follows of an embodiment and with reference to the appended drawing, in which FIGS. 1 is a sectional view of a syringe that has not been used - Figure 2 is a sectional view of a syringe after the filling phase and having the injection - Figure s is a sectional view of a syringe after use - Figure 4 is a sectional view on the hollow cylindrical body - Figure 5 is a sectional view on the piston - Figure 6 is a sectional line on the crenellated rod - Figure 7 is a sectional view on the movable latch.

-la figure 8 est une vue en élévation du verrou mobile
A la figure 1 on a represente une seringue piston (4) rentre, n'ayant pas été utilisée le verrou mobile (7) se trouve au contact du corps du piston
A la figure 2 on a represente une seringue, piston (4)
retire, après la phase de remplissage; dans cette position
les crocs i9) du verrou mobile (7), le dit verrou (7) ayant
été entraîne par le piston. sont venus se loger dans
l'evidement (3;; de l embase (2) de la seringue
A la figure 3 on a representé une seringue, piston (4) rentre après l'injection le verrou mobile(7) bloque par ses crocs (9) dans l'evidement (i n'a pu suivre le piston (4) dont la tige a glisse au travers de la perforation (11) du verrou mobile (7). les éléments de la denture (8) du verrou mobile ;;7) venant s'encastrer dans les crenelures de la tige (5) interdisant de ce fait tout retour en arriere à dire tout autre usage de la serringue
A la figure 4 on a représente le corps de la seringue (1) comportant un embout (10) pour fixer l'aiguille, un epaulment circulaire (2) en forme de U evide (3)
A le figure 5 on a représente le piston (4) d'étancheite comportant un trou (14) recevant l'extrémité 151 c de la. tige (5)
A la figure t. on a represente la tige (5) comportant un embout (6) permettant de tirer et de repousser le piston (4),et une extrémité (15) venant se fixer par collage t ou toutes autres moyens de fixation ) dans le trou (14j du piston i4) et ce après avoir enfile le verrou mobile (7) sur la tige (55
A la figure 7 on a represente le verrou mobile (7) en
forme de cône et comportant une perforation (11) une decoupe linaire (12) formant denture à deux éléments, une embase (13) laquelle apres découpe d'une partie du tronc (16) de cône forme deux crocs (9). FIG. 8 is an elevation view of the movable lock
In FIG. 1, a plunger syringe (4) is shown, having not been used the movable lock (7) is in contact with the body of the plunger
In Figure 2 a syringe, plunger (4) is shown
withdraw, after the filling phase; in this position
the hooks i9) of the movable lock (7), the said lock (7) having
been driven by the piston. came to stay in
the recess (3 ;; of the base (2) of the syringe
In Figure 3 there is shown a syringe, piston (4) returns after injection the movable lock (7) blocked by its hooks (9) in the recess (i could not follow the piston (4) whose rod slides through the perforation (11) of the movable lock (7). the elements of the toothing (8) of the movable lock ;; 7) coming to be embedded in the notches of the rod (5) thus preventing everything back to say any other use of the serringue
In Figure 4 there is shown the body of the syringe (1) having a tip (10) for fixing the needle, a circular shoulder (2) in the shape of a hollow U (3)
In Figure 5 there is shown the piston (4) for sealing comprising a hole (14) receiving the end 151 c of the. rod (5)
In Figure t. the rod (5) is represented comprising a tip (6) making it possible to pull and push the piston (4), and one end (15) coming to be fixed by gluing t or any other fixing means) in the hole (14j piston i4) after having put the movable lock (7) on the rod (55
In Figure 7 there is shown the movable lock (7) in
cone-shaped and comprising a perforation (11) a linear cutout (12) forming toothing with two elements, a base (13) which after cutting a portion of the trunk of the cone (16) forms two hooks (9).

A la figure 8 on a represente le verrou mobile (7) en élevation sur lequel on voit la perforation (11) la decoupe (12) les éléments de la denture (8) l'embase (13) la desoupe (16) les crocs 'Q!
Bien entendu diverses modifications peuvent être apportées par l'homme de l'art aux modes de realisation qui vidiment d'être décrits sans sortir du cadre de l'invention In Figure 8 there is shown the movable lock (7) in elevation on which we see the perforation (11) the cut (12) the elements of the toothing (8) the base (13) the cutter (16) the hooks 'Q!
Of course, various modifications can be made by those skilled in the art to the embodiments which need to be described without departing from the scope of the invention.

Claims (6)

R E V E N D I C A T I O N SR E V E N D I C A T I O N S 1 Seringue à injection médicale inutilisable après usage caractérisee en ce que la tige crénelée (5) du piston (4) de la dite seringue ili comporte un verrou mobile (7) le dit verrou (7) après la première utilisation bloque en positiopn rentrée le piston. (4) en assujetissant d'une part le dit piston < 4 au Corps creux de la seringue (1) par l'intermediaire des dents (8) du verrou (7) prises dans les crénelures de la tige (5) du piston (4) et d'autre part, par les crocs (9) du verrou (7) s'insérer dans l'evidement (3) de l'embase (2) du corps de la seringue 1 Syringe with medical injection unusable after use characterized in that the crenellated rod (5) of the piston (4) of the said syringe ili comprises a movable lock (7) the said lock (7) after the first use blocks in retracted positiopn position on piston. (4) by subjecting on the one hand said piston <4 to the hollow body of the syringe (1) by means of the teeth (8) of the lock (7) taken in the crenellations of the rod (5) of the piston ( 4) and on the other hand, by the hooks (9) of the lock (7) insert into the recess (3) of the base (2) of the body of the syringe 2 Seringue suivant la revendication 1 caractérisée en ce que elle est en matière plastique et/ou en métal 2 syringe according to claim 1 characterized in that it is made of plastic and / or metal 3 Seringue suivant la revendication 1 caractérisée en ce que le corps creux cylindrique (1) de la seringue comporte une embase en forme de U (2) ménageant un évidement circulaire (3) 3 syringe according to claim 1 characterized in that the cylindrical hollow body (1) of the syringe comprises a U-shaped base (2) providing a circular recess (3) 4 Seringue suivant les revendications I et 3 caractérisée en ce que le piston (4) est composé d'une pièce cylindrique assurant l'etancheité, la dite pièce étant fixée, après insertion du verrou (,) sur la tige crénelée(6) comportant un aibout (6) permettant d'exercer la pression 4 Syringe according to claims I and 3 characterized in that the piston (4) is composed of a cylindrical part ensuring sealing, said part being fixed, after insertion of the lock (,) on the crenellated rod (6) comprising a nozzle (6) for exerting pressure 5 Seringue suivant les revendications 1-3 et 4 caractérisée en ce que le verrou (7) est en forme de tronC de cône, comportant å sa base la plus petite. une perforation (11), la dite perforation étant au centre d'une découpe linéaire (12) la dite découpe permettant l'élasticité de deux éléments de la denture qui par déformation élastique se bloquent, de manière irréversible dans les crénelures de la tige (5) 5 syringe according to claims 1-3 and 4 characterized in that the lock (7) is in the form of a cone section, having at its base the smallest. a perforation (11), the said perforation being at the center of a linear cut (12) the said cut allowing the elasticity of two elements of the teeth which by elastic deformation are blocked, in an irreversible manner in the crenellations of the rod ( 5) 6 Seringue suivant les revendications 1-3-4 et 5 caractérisée en ce que le verrou (7) e: :i forme de tronc de cône comporte au périmètre de sa grande base un épaulement (9), le dit épaulement, apres decoupe linéaire du corps du tronc de cône sur une partie de sa hauteur forme deux crocs i 9i, la dite découpe permettant. l élasticité nécessaire à l'introduction des crocs (9) dans l'évidement circulaire (3) lors du remplissage de la seringue te alors que le piston est en tin de course  6 syringe according to claims 1-3-4 and 5 characterized in that the lock (7) e:: i form of frustum cone has at the perimeter of its large base a shoulder (9), said shoulder, after linear cutting of the body of the truncated cone over part of its height forms two hooks i 9i, the so-called cut-out. the elasticity necessary for the introduction of the hooks (9) into the circular recess (3) when filling the syringe while the piston is at the end of its travel
FR8815897A 1988-12-05 1988-12-05 Injection syringe which can be used only once Withdrawn FR2639832A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8815897A FR2639832A1 (en) 1988-12-05 1988-12-05 Injection syringe which can be used only once

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8815897A FR2639832A1 (en) 1988-12-05 1988-12-05 Injection syringe which can be used only once

Publications (1)

Publication Number Publication Date
FR2639832A1 true FR2639832A1 (en) 1990-06-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8815897A Withdrawn FR2639832A1 (en) 1988-12-05 1988-12-05 Injection syringe which can be used only once

Country Status (1)

Country Link
FR (1) FR2639832A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0532747A1 (en) * 1991-04-02 1993-03-24 Flp Enterprises, Inc. Non-reusable syringe
EP0713401A4 (en) * 1992-12-14 1996-01-11 Mallinckrodt Medical Inc Mechanism preventing rearward movement of piston syringe
EP0750519A1 (en) * 1994-02-14 1997-01-02 Univec, Inc. Single-use syringe assembly comprising spring clip lock and plunger
DE19707917A1 (en) * 1997-02-27 1998-09-10 Siekmann Gmbh Disposable syringe
EP1436021A2 (en) * 2001-09-24 2004-07-14 Becton, Dickinson and Company Single use syringe and plunger rod locking device therefor
EP1708770A1 (en) * 2004-01-28 2006-10-11 Unitract Syringe Pty Ltd One use syringe with ratchet on plunger and pawl on body
US8287491B2 (en) 2008-11-26 2012-10-16 Becton, Dickinson And Company Single-use auto-disable syringe
CN106132457A (en) * 2014-01-30 2016-11-16 医疗注射设备有限责任公司 Drugs distribution apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181580A1 (en) * 1972-04-28 1973-12-07 Stampfli Jackie Disposable syringe - with device for preventing its re-use
US4731068A (en) * 1987-05-01 1988-03-15 Hesse John E Non-reloadable syringe
DE8804656U1 (en) * 1988-04-08 1988-08-04 Bader, Mohandes, 2350 Neumuenster, De
FR2618075A1 (en) * 1987-07-17 1989-01-20 Assistance Publique NON-REUSABLE HIGH SECURITY SYRINGE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181580A1 (en) * 1972-04-28 1973-12-07 Stampfli Jackie Disposable syringe - with device for preventing its re-use
US4731068A (en) * 1987-05-01 1988-03-15 Hesse John E Non-reloadable syringe
FR2618075A1 (en) * 1987-07-17 1989-01-20 Assistance Publique NON-REUSABLE HIGH SECURITY SYRINGE
DE8804656U1 (en) * 1988-04-08 1988-08-04 Bader, Mohandes, 2350 Neumuenster, De

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0532747A4 (en) * 1991-04-02 1993-12-08 Flp Enterprises Inc Non-reusable syringe
EP0532747A1 (en) * 1991-04-02 1993-03-24 Flp Enterprises, Inc. Non-reusable syringe
EP0713401A4 (en) * 1992-12-14 1996-01-11 Mallinckrodt Medical Inc Mechanism preventing rearward movement of piston syringe
EP0713401A1 (en) * 1992-12-14 1996-05-29 Mallinckrodt Medical, Inc. Mechanism preventing rearward movement of piston syringe
EP0750519A1 (en) * 1994-02-14 1997-01-02 Univec, Inc. Single-use syringe assembly comprising spring clip lock and plunger
EP0750519A4 (en) * 1994-02-14 1997-07-30 Univec Inc Single-use syringe assembly comprising spring clip lock and plunger
DE19707917A1 (en) * 1997-02-27 1998-09-10 Siekmann Gmbh Disposable syringe
EP1436021A4 (en) * 2001-09-24 2009-01-07 Becton Dickinson Co Single use syringe and plunger rod locking device therefor
EP1436021A2 (en) * 2001-09-24 2004-07-14 Becton, Dickinson and Company Single use syringe and plunger rod locking device therefor
EP1708770A1 (en) * 2004-01-28 2006-10-11 Unitract Syringe Pty Ltd One use syringe with ratchet on plunger and pawl on body
EP1708770A4 (en) * 2004-01-28 2010-05-05 Unitract Syringe Pty Ltd One use syringe with ratchet on plunger and pawl on body
US8052654B2 (en) 2004-01-28 2011-11-08 Unitract Syringe Pty Ltd. Automatically disabled syringe
US8287491B2 (en) 2008-11-26 2012-10-16 Becton, Dickinson And Company Single-use auto-disable syringe
US9205205B2 (en) 2008-11-26 2015-12-08 Becton, Dickinson And Company Single-use auto-disable syringe
CN106132457A (en) * 2014-01-30 2016-11-16 医疗注射设备有限责任公司 Drugs distribution apparatus
EP3099353A4 (en) * 2014-01-30 2017-09-06 Medical Injection Devices Inc. Medicament dispensing device
CN106132457B (en) * 2014-01-30 2019-08-27 医疗注射设备有限责任公司 Drugs distribution apparatus

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