• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to medical technology. The ampoule comprises a housing 1, a cap 2, a piston 3, an injection needle 4, and a centering washer 5. The needle 4 has a portion of several turns 6. Inside the ampoule there is a receiver forming a gas volume that can easily collapse at the beginning of the piston movement and is resistant to environmental damage. its injection fluid. 8 hp ff, 6 ill.
    公开号:SU1716950A3
    申请号:SU884355392
    申请日:1988-02-29
    公开日:1992-02-28
    发明作者:Шлютер Эберхардт；Шеллер Альберт；Шпренгер Рольф
    申请人:Эберхардт Шлютер (Фирма)；
    IPC主号:
    专利说明:


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    The invention relates to medical technology and can be used to automatically administer the drug to the body itself.
    A drug injection device is known in which the needle support comprises a plunger with a deformable port that can be retracted into the cylindrical chamber so that the installation and construction is complicated and the utility and efficiency are limited by the structural and material requirements.
    The purpose of the invention is to improve the usability.
    FIG. 1 shows an injection device with an ampoule, side view, incision; in fig. 2-4 - injection needles; in fig. 5 - ampoule with a needle installed in a sterile manner; FIG. 6 - ampoule with a capsule and a floating needle.
    The ampoule for an automatic injector contains (Fig. 1) a cylindrical glass case 1 with a lid 2 mounted on one of its ends, a piston 3 and an injection needle 4 with sharpening housed in the case 5, while the needle 4 is installed with the possibility of interaction with the piston 3 and has an additional portion in the form of one or several turns 6. which form a support for the needle 4 in such a way that the outer surfaces of the turns create a sliding fit on the inner wall 7 of the ampoule. By making the needle support in the form of a coil, the needle can be centered at an angle of about 7-15 ° relative to the axis of the ampoule.
    A centering washer 8 mounted on the needle 4 between the cap 2 and the additional section 6 is used to ensure accurate centering.
    Distal to the lid 2, the end of the needle 4 is made in the form of a hollow needle 9 (FIG. 5) located on the axis and outside the plane of the coil, and has the ability to interact with the partition 10 installed in the housing 1 between the needle and the piston 3, and the volume between lid and septum filled with gas.
    In the third embodiment, the ampoule may contain a breaking capsule 11 (FIG. 6) mounted in the housing between the needle and the piston.
    The amount of the substance to be injected, as well as the depth of needle insertion needed, is appropriately provided by the number of turns and is consistent with the compressible gas or the dead volume, i.e. a gas or air cushion that creates a certain slowdown in the release of the injected fluid.
    The needle can be made of either steel or Teflon, or plastic, or
    metallization of the outer surface, or covered with a layer of glass or a layer of carbon fibers, and the surface of the piston, interacting with the walls of the body and not interacting with the medicinal
    0 preparation, from chlorobutyl rubber or from silicone, or from plastic, or with metallization of the outer surface, or covered with a layer of sand, or a layer of carbon fibers.
    5 The device operates as follows.
    The plunger 12 is fed into the housing 1 of the ampoule and passes through the coil spring 13, engages with the pushrods 14 on the pitch 3, which interacts with the needle 4, which in turn pierces the cover 2. The free independent needle support allows to obtain a squeezed design maintaining high driving force. AT
    5, when there is a gas or dead space between the needle support and the piston 3: the space forming the receiver, for example, the capsule 11 with the receiver wall, which is resistant, in particular, not soluble injection agent, while the receiver can be easily destroyed at the beginning of the piston movement . This makes it possible to obtain a dead space, always located in a vial in a certain way, which is chemically or mechanically separated from the substance to be injected without the help of a piston and opens only when it is destroyed by a given pressure. For a given disruption of the capsule and at the beginning of the injection
    0 to deliver the injectable substance, which is in the zone of destruction of the capsule, into the needle inlet, if necessary, in a delayed manner when it enters the gas-dead space, into
    In particular, it is provided that the needle and / or the needle support have a sharpening on it that can contact the capsule wall and break down the dead space receiver when the pressure is applied. At the same time sharpening
    0 needle directed to the wall of the capsule. In addition, an arrangement of a needle inlet next to it is provided for passing the injectable substance when the capsule is destroyed without being pinched.
    5, in particular, with a rather large inlet cross section and / or capsule distance. In particular, it is recommended that the capsule contain at least one substance, which, together with the contents of the ampoule in contact with the non-broken capsule, forms an injection substance intended for administration. Thus, the solid, liquid and / or gas in the capsule are kept separate from the substance to be injected, i.e. separate from the solvent or liquid injection medium that is in contact with it, ready for use, and when the capsule is destroyed, this way mixes liquids or dissolves the solid and / or gas so that the injectable substance is obtained, coming from the needle hole,
    The advantages of the invention are that when using the ampoule, it provides high storage stability, convenience, practicality, reliability in operation, while the ampoule allows to obtain a specific arrangement of gas or dead volumes, as well as to use essentially all possible injectables. substances and. in particular, those that are separated for mixing or dissolving.
    权利要求:
    Claims (9)
    [1]
    1. Ampoule for automatic injection. ra, containing a cylindrical body with
    a lid mounted on one of its ends, a piston and an injection needle with a point placed in the housing, while the needle is mounted with the ability to interact with the piston, characterized in that, in order to improve ease of use, the injection needle is equipped with an additional area having the possibility of interactions with the inner surface of the housing.
    [2]
    2. The ampule according to claim 1, characterized in that it is provided with a centering point
    the bout is mounted on the needle between the cap and the additional area.
    [3]
    3.Ampula pop. 1, characterized in that the additional portion is made in the form of at least one turn, forming a sliding guide.
    [4]
    4. Ampoule according to claim 3, characterized in that the end of the injection needle distal with respect to the lid is made in the form of a hollow needle located on the axis and outside the plane of the coil.
    [5]
    5.Vampule on PP. 1 and 3, characterized in that it is provided with an additional partition, installed in the housing between the injection needle and the piston, the volume between the cover and the partition is filled with gas.
    [6]
    6. Ampoule on PP. 1 and 3, that is, with the fact that it is equipped with a destructible capsule installed in the housing between the injection needle and the piston.
    [7]
    7. The ampoule according to claim 1, wherein the body is made of glass.
    [8]
    8. Ampoule according to claim 4, characterized in that the needle is either made of steel, or of teflon, or plastic, or with a metallization of the outer surface, either covered with a layer of glass, or a layer of carbon fibers.
    [9]
    9. The ampoule according to claim 1, wherein the surfaces of the piston, interacting with the walls of the housing and not interacting with the drug, are made either from chlorobutyl rubber, or from silicone, or plastic, or metallization of the outer surface, either covered with a layer of glass or a layer of carbon fibers.
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    类似技术:
    公开号 | 公开日 | 专利标题
    SU1716950A3|1992-02-28|Ampoule for automatic injector
    US3542023A|1970-11-24|Minimix
    US4014330A|1977-03-29|Disposable two-compartment syringe
    US3946732A|1976-03-30|Two-chamber mixing syringe
    US3330281A|1967-07-11|Combination syringe and vial mixing container
    RU96122168A|1999-01-20|SYRINGE FOR MIXING AND INTRODUCTION
    ES2557406T3|2016-01-25|Devices for injecting a substance and methods for it
    US3826260A|1974-07-30|Vial and syringe combination
    RU2098141C1|1997-12-10|Osmotic pump
    EP1225938B1|2007-12-19|Medicament cartridge and injection device
    US5158546A|1992-10-27|Controlled action self-mixing vial
    US3757779A|1973-09-11|Filter syringe
    KR940703694A|1994-12-12|Drug injectors and methods
    KR950007882A|1995-04-15|Cartridge needle unit with retractable needle
    US4221218A|1980-09-09|Disposable hypodermic syringe
    IE36910L|1973-08-07|Medication injectors.
    US3766918A|1973-10-23|Self-aspirating hypodermic ampule
    JPH10508525A|1998-08-25|Syringe device
    JP2002524213A|2002-08-06|Needleless syringe cartridge
    EA200200877A1|2004-10-28|RUNNESS INJECTOR IN MINIATURE EXECUTION
    CA2089083A1|1993-01-27|Syringe
    WO1991012038A1|1991-08-22|Non-reusable hypodermic syringe
    US6223786B1|2001-05-01|Apparatus and method for mixing medication and filling an ampule of a needle-less injector
    GB1453591A|1976-10-27|Device for the administration and mixing of intravenous fluid
    EP2739332B1|2016-06-08|Stopper/plunger for carpules of syringe-carpule assembly
    同族专利:
    公开号 | 公开日
    RO100331A2|1991-09-18|
    BG49043A3|1991-07-15|
    JPH01500492A|1989-02-23|
    CN87105155A|1988-01-13|
    RO100331B1|1990-11-30|
    AU7584187A|1988-01-29|
    DE3770228D1|1991-06-27|
    DE3622399C2|1989-11-16|
    TR23387A|1989-12-29|
    CN1011198B|1991-01-16|
    AT63697T|1991-06-15|
    WO1988000066A1|1988-01-14|
    HUT47038A|1989-01-30|
    DE3622399A1|1988-02-04|
    AU614264B2|1991-08-29|
    CA1295902C|1992-02-18|
    DE3644984A1|1988-07-07|
    ES2023380B3|1992-01-16|
    US4968302A|1990-11-06|
    ZA874715B|1988-01-07|
    EP0261318B1|1991-05-22|
    EP0261318A1|1988-03-30|
    LV5188A3|1993-10-10|
    LT2112B|1993-07-15|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3622399A|DE3622399C2|1986-07-01|1986-07-01|LTRP524A| LT2112B|1986-07-01|1993-05-06|AUTOMATIC SWITCH AMPULE|
    LV930313A| LV5188A3|1986-07-01|1993-05-10|Automatic injector ampoule|
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