ES2188036T3 - Dispositivo de inyeccion automatica de una dosis de producto medicamentoso. - Google Patents

Dispositivo de inyeccion automatica de una dosis de producto medicamentoso.

Info

Publication number
ES2188036T3
ES2188036T3 ES98962533T ES98962533T ES2188036T3 ES 2188036 T3 ES2188036 T3 ES 2188036T3 ES 98962533 T ES98962533 T ES 98962533T ES 98962533 T ES98962533 T ES 98962533T ES 2188036 T3 ES2188036 T3 ES 2188036T3
Authority
ES
Spain
Prior art keywords
casing
dose
medicinal product
parts
injection
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.)
Expired - Lifetime
Application number
ES98962533T
Other languages
English (en)
Inventor
Marc Brunel
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.)
Sanofi Aventis France
Original Assignee
Sanofi Synthelabo SA
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 Sanofi Synthelabo SA filed Critical Sanofi Synthelabo SA
Application granted granted Critical
Publication of ES2188036T3 publication Critical patent/ES2188036T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2006—Having specific accessories
    • A61M2005/2013—Having specific accessories triggering of discharging means by contact of injector with patient body
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/206—With automatic needle insertion
    • 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
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2073—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
    • A61M2005/208—Release is possible only when device is pushed against the skin, e.g. using a trigger which is blocked or inactive when the device is not pushed against the skin
    • 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
    • A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
    • A61M2005/3104—Caps for syringes without needle
    • 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
    • A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
    • A61M2005/3107—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle for needles
    • A61M2005/3109—Caps sealing the needle bore by use of, e.g. air-hardening adhesive, elastomer or epoxy resin
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Environmental & Geological Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

Dispositivo de inyección automática de una dosis de producto medicamentoso que comprende: - una funda longilínea que presenta una pared frontal delantera (26) perforada por un orificio (27b), y formada por dos partes, anterior (11) y posterior (10) acopladas una a la otra y aptas para deslizarse longitudinalmente una respecto a la otra en un corto recorrido de manera que puedan ser sometidas a un desplazamiento relativo entre dos posiciones: una posición de retroceso, denominada de reposo, de la parte posterior (10) con respecto a la parte anterior (11) obtenida de forma natural en ausencia de solicitación externa ejercida en dichas partes, y una posición adelantada, denominada de inyección, de la parte posterior (10) con respecto a la parte anterior (11) obtenida por medio de un esfuerzo longitudinal ejercido en dicha parte posterior, - una jeringa (1) dispuesta en la funda y que incluye un cuerpo de jeringa que aloja un émbolo (6), dotado de un anillo apoyadedos (4) y que lleva una aguja(3), - un vástago de émbolo (7) dotado de un reborde (9), y que se extiende en la prolongación trasera de la jeringa (1), - unos medios de sujeción del reborde (9) del vástago de émbolo (7), - un resorte propulsor (50) que se extiende entre los medios de sujeción (35) del reborde (9) del vástago de émbolo (7) y el fondo de la parte posterior (10) de la funda, - unos medios (15, 18, 39) de bloqueo en translación de los medios de sujeción (35)del reborde (9) del vástago de émbolo (7) aptos para mantenerlos en el interior de la funda en una posición en la que el resorte propulsor (50) está comprimido, y en la que la jeringa (1) está enteramente alojada en dicha funda, y para autorizar su desplazamiento hacia una posición adelantada de final de inyección, generado por el resorte propulsor (50) después del desplazamiento de las partes (10, 11) de la funda desde su posición de retroceso hacia su posición adelantada, - un órgano (27c) de tope del cuerpo de jeringa (1) en una posición adelantada deeste último en la que la aguja (3) se extiende por lo menos parcialmente a través del orificio (27b) de la funda, - unos medios (13) de activación de los medios de sujeción (35) del reborde (9) del vástago de émbolo (7), aptos para liberar dicho reborde, en la posición adelantada de dichos medios de sujeción, después del des- plazamiento de las partes (10, 11) de la funda desde su posición adelantada hacia su posición de retroceso, - y un resorte propulsor de retorno (51) de una fuerza inferior a la del resorte propulsor (50), dispuesto alrededor del cuerpo de jeringa (1) de manera que sea comprimido por el anillo apoyadedos (4) de dicho cuerpo de jeringa durante el desplazamiento de este último hacia su posición adelantada, estando dicho dispositivo de inyección caracterizado porque: - comprende unos medios de visualización (28, 29) practicados en la pared de la funda de manera que permitan visualizar los medios de sujeción (35) del reborde (9) del vástago de émbolo (7) en su posición adelantada, - los medios de sujeción del reborde (9) del vástago de émbolo (7) comprenden: u un tubo interno (13), denominado de guiado, que se extiende en la parte posterior (10) de la funda de manera que delimite en el interior de esta última un espacio anular periférico (21) adaptado para alojar el resorte propulsor (50) en la posición comprimida de dicho resorte, u un alojamiento (35) con una forma adaptada para deslizarse en el interior del tubo de guiado (13), y para alojar el vástago de émbolo (7) y el reborde (9) de este último, incluyendo dicho alojamiento hacia uno de sus extremos, denominado posterior, un órgano interno (41) de bloqueo del reborde (9) del vástago de émbolo (7) apto para deformarse radialmente, y hacia su otro extremo anterior, una pared frontal delantera (38) de tope del resorte propulsor (50) y de contacto con los medios de bloqueo en translación (15, 18, 39) de dichos medios de sujeción en la posición de retroceso de estos últimos, u estando adaptados dicho tubode guiado y alojamiento para que, en la posición adelantada de los medios de sujeción, el órgano de bloqueo (41) del reborde (9) del vástago de émbolo (7) quede retenido en el tubo de guiado (13) en la posición relativa adelantada de las partes (10, 11) de funda, y sea liberado en la posición relativa de retroceso de dichas partes de la funda.
ES98962533T 1998-02-04 1998-12-21 Dispositivo de inyeccion automatica de una dosis de producto medicamentoso. Expired - Lifetime ES2188036T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9801298A FR2774294B1 (fr) 1998-02-04 1998-02-04 Dispositif d'injection automatique d'une dose de produit medicamenteux

Publications (1)

Publication Number Publication Date
ES2188036T3 true ES2188036T3 (es) 2003-06-16

Family

ID=9522589

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98962533T Expired - Lifetime ES2188036T3 (es) 1998-02-04 1998-12-21 Dispositivo de inyeccion automatica de una dosis de producto medicamentoso.

Country Status (8)

Country Link
US (1) US6575939B1 (es)
EP (1) EP1053037B1 (es)
AT (1) ATE227593T1 (es)
AU (1) AU1767999A (es)
DE (1) DE69809471T2 (es)
ES (1) ES2188036T3 (es)
FR (1) FR2774294B1 (es)
WO (1) WO1999039759A1 (es)

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EP1053037B1 (fr) 2002-11-13
EP1053037A1 (fr) 2000-11-22
AU1767999A (en) 1999-08-23
FR2774294B1 (fr) 2000-04-14
DE69809471D1 (de) 2002-12-19
US6575939B1 (en) 2003-06-10
FR2774294A1 (fr) 1999-08-06
WO1999039759A1 (fr) 1999-08-12
ATE227593T1 (de) 2002-11-15
DE69809471T2 (de) 2003-10-02

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