MX2017005679A - Jeringa con aguja retractil. - Google Patents

Jeringa con aguja retractil.

Info

Publication number
MX2017005679A
MX2017005679A MX2017005679A MX2017005679A MX2017005679A MX 2017005679 A MX2017005679 A MX 2017005679A MX 2017005679 A MX2017005679 A MX 2017005679A MX 2017005679 A MX2017005679 A MX 2017005679A MX 2017005679 A MX2017005679 A MX 2017005679A
Authority
MX
Mexico
Prior art keywords
needle
plunger
retraction
user
injection force
Prior art date
Application number
MX2017005679A
Other languages
English (en)
Inventor
E Castanon Scott
E Woloschuk Ralph
Marc Terry Warren
Original Assignee
L O M Laboratories Inc
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 L O M Laboratories Inc filed Critical L O M Laboratories Inc
Publication of MX2017005679A publication Critical patent/MX2017005679A/es

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
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle 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
    • A61M5/2046—Media being expelled from injector by gas generation, e.g. explosive charge
    • 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
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • 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
    • A61M5/3293—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 characterised by features of the needle hub
    • 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
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3231—Proximal end of needle captured or embedded inside piston head, e.g. by friction or hooks
    • 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
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
    • A61M2005/3241—Needle retraction energy is accumulated inside of a hollow plunger rod
    • A61M2005/3242—Needle retraction by vacuum
    • 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
    • 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
    • A61M5/508—Means for preventing re-use by disrupting the piston seal, e.g. by puncturing

Abstract

En la presente, se proporciona una jeringa con aguja retráctil que se activa neumáticamente que comprende un cilindro de la jeringa, un émbolo, una aguja, un eje de la aguja, una punta de bloqueo, una celda de liberación de gas propelente y un mecanismo de ruptura. El émbolo está colocado de manera que sea deslizable dentro del cilindro de la jeringa y está acoplado de modo que selle, con dicho cilindro de la jeringa; el émbolo que tiene un lumen de retracción definido para recibir una aguja cuando se acciona la jeringa con aguja retráctil. La aguja está acoplada a un extremo distal de un cilindro de la jeringa y está en comunicación fluida con una cámara para medicamento definida dentro del cilindro de la jeringa distalmente del émbolo. El eje de la aguja es para asegurar a la aguja en el extremo distal del cilindro de la jeringa, el eje de la aguja que está inicialmente asegurado dentro de una pared falsa contra una fuerza de carga o una fuerza de inyección aplicada por un usuario y se libera de la pared falsa en respuesta a una fuerza post- inyección aplicada por un usuario. La punta de bloqueo proporcionada en un extremo distal del émbolo, la punta de bloqueo que está en un acoplamiento de sellado con, e inicialmente asegurada dentro del lumen de retracción contra una fuerza de carga o una fuerza de inyección aplicada por un usuario, y puede liberarse para retraerse al deslizarse dentro del lumen del émbolo en respuesta para liberar un propelente una vez que el usuario aplica una fuerza de post-inyección; la punta de bloqueo que se acopla con el eje de la aguja en respuesta a la fuerza post-inyección para proporcionar un conjunto de retracción que comprende: la punta de bloqueo, la cabeza de la aguja, y la aguja. La celda de liberación de propelente está posicionada distalmente del eje de la aguja y que contiene un propelente. El mecanismo de ruptura está posicionado para perforar la celda de liberación de propelente en respuesta a la aplicación, por parte del usuario, de la fuerza post-inyección para, de este modo, conducir la retracción del conjunto de retracción dentro del lumen de retracción.
MX2017005679A 2014-10-31 2015-10-30 Jeringa con aguja retractil. MX2017005679A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462073748P 2014-10-31 2014-10-31
US201562105624P 2015-01-20 2015-01-20
PCT/CA2015/051113 WO2016065484A1 (en) 2014-10-31 2015-10-30 Retractable needle syringe

Publications (1)

Publication Number Publication Date
MX2017005679A true MX2017005679A (es) 2018-09-26

Family

ID=55856320

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017005679A MX2017005679A (es) 2014-10-31 2015-10-30 Jeringa con aguja retractil.

Country Status (11)

Country Link
US (1) US10765815B2 (es)
EP (1) EP3212258B1 (es)
JP (1) JP6734288B2 (es)
CN (2) CN205252220U (es)
AU (1) AU2015337782B2 (es)
CA (1) CA2965712C (es)
HK (1) HK1244722A1 (es)
MX (1) MX2017005679A (es)
PL (1) PL3212258T3 (es)
TW (1) TWI681792B (es)
WO (1) WO2016065484A1 (es)

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EP3212258A4 (en) 2018-07-04
CN105561443A (zh) 2016-05-11
TW201625326A (zh) 2016-07-16
TWI681792B (zh) 2020-01-11
US20170239425A1 (en) 2017-08-24
CN205252220U (zh) 2016-05-25
PL3212258T3 (pl) 2020-07-13
AU2015337782A1 (en) 2017-05-18
JP6734288B2 (ja) 2020-08-05
AU2015337782B2 (en) 2020-02-13
EP3212258A1 (en) 2017-09-06
HK1244722A1 (zh) 2018-08-17
CN105561443B (zh) 2021-07-13
WO2016065484A1 (en) 2016-05-06
CA2965712A1 (en) 2016-05-06
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US10765815B2 (en) 2020-09-08
CA2965712C (en) 2023-06-13

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