• 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:
    1. SHPRSh, containing the housing open on both sides, in which the piston is placed and installed -. on the opposite end of the piston plug, the needle holder, made in the form of a tube with a mouthpiece for attaching the needle and a cuff for fixing the needle holder on the body, characterized in that, in order to reduce the loss of the injectable drug, the inner surface of the needle holder has at least one figured groove designed for soy; Ezgaeni body cavity with a needle, while the inner diameter of the tube body is at least equal to the inner diameter of the body, and its length is longer than the length of ki. 2, JIbipHij according to claim 1, characterized in that the piston end and the ends of the plug are flat.
    公开号:SU1136742A3
    申请号:SU782699946
    申请日:1978-12-22
    公开日:1985-01-23
    发明作者:Маттес Беккеринг Хендрик
    申请人:Дуфар Интернейшинэл Ресеч Б.В (Фирма)；
    IPC主号:
    专利说明:

    CAD
    0
    .
    one
    Isopaturation refers to medicine, in particular to devices for administering drugs.
    A syringe is known comprising a cylindrical body, a piston tip, a key with a lock, and an optical ring Cl 3.
    The disadvantage of this syringe is that it does not allow storage in a state that is pre-filled with the drug.
    A syringe is known to Taco, containing a housing open on both sides, in which a piston is placed and installed at the opposite end of the piston a stopper, a needle holder, designed as a tube with a mouthpiece for attaching the needle and a cuff for fastening the needle holder on the housing t2j.
    A disadvantage of the known syringe is the great loss of the drug when it is used, since there is space for the needle behind it. placing a plug in it, which is only partially closed with a plug, to allow air and fluid to pass through, and after injection, a relatively large amount of drug fluid remains in this space, which I throw out with the syringe.
    The purpose of the invention is to reduce the loss of an injectable drug.
    This goal is achieved by the fact that in a syringe containing a housing open on both sides, in which a piston is placed and installed at the opposite end of the tube, a needle holder, made into an ideal tube with a mouthpiece for attaching the needle and a cuff, designed to attach the needle holder to the housing , the inner surface of the needle holder has at least one shaped groove for connecting the cavity of the housing with the needle, while the internal diameter of the tube body is at least equal to the internal diameter of rpusa, and its length is greater than the length of traffic jams.
    In addition, the end face of the piston and the ends of the tube can be made flat.
    FIG. 1 shows the syringe, which is in storage state, is 67422
    longitudinal section j in fig. 2 is the same in the injection readiness position; FIG. 3 is a section A-A in FIG. one ; on . 4 and 5, embodiments 5 of the syringe, section.
    The syringe holds the body 1, inside of which on one side is placed the piston 2, and on the other side the plug 3 is installed. In addition, the syringe
    O contains a needle holder 4, made in the form of a tube 5 with a mouthpiece 6. for fastening the needle 7 and the cutter 8 intended for fastening the needle holder 4 on the housing 1. The needle 7.
    S is seized in the safety cap 9, the piston 2 is connected to the rod IO by a threaded connection. A finger grip 11 is made on the body 1 on the side of the stem, made of a slightly elastic material, for example
    plastics, and housing 1 is made of hard material, such as glass. Finger grip 11: can also be made in the form of a housing flange,
    5 protruding radially outward. The needle holder 4 is made of a fairly hard-1-material that has sufficient resistance to deformation, such as plastic. The needle holder 4 can also be fixed to the body 1 by means of a thread or a locking ring.
    On the inner surface of the needle holder 4, at least one shaped groove 12 is made, extending along the back surface of the mouthpiece 6 and intended to connect the cavity of the housing 1 with the needle 7.
    In section, groove 12 (or grooves) may be part of a circle, but other section shapes are possible, provided that the total cross-section of the grooves will ensure free flow of fluid.
    .. through them, 5
    but
    The inner diameter of the body of the tube 5 is at least equal to the internal diameter of the body or slightly less than the internal diameter of the body.
     I, so that the tight plug enters the cavity of the tube 5 without closing its grooves, and during the suction of the liquid is not retracted into the body. Tube length 5 is longer than tube length
    5 3, so that the section of the groove 12, closest to the body t, is free when the cork is displaced forward and abuts against the back of the container 6. The pack 9 of the needle 7 can serve as a piston rod. In this case, it is first removed and attached to the piston before injection.
    In the embodiment "syringe injection shown in FIG. 4, the needle is set eccentrically. This is necessary in some servant x when the syringe body has a large diameter.
    In the embodiment of the syringe shown in FIG. 5, the needle during storage is missing. Before use, the needle 7 is inserted into the mouthpiece 6. The hole 13 of the mouthpiece b is externally closed with a protective cap 9, which ensures the sterility of this part of the needle holder. To connect the needle 7 with the mouthpiece 6 after removing the protective cap 9, a so-called Luer cone is used.
    In order for the KOjm4ecTBo preparation to remain in the syringe to be minimal, the end face of the piston 2 and the ends of the plug 3 are filled with symmetrical parts relative to the axis of rotation and coincident. Preferably, both ends are flattened out.
    The syringe may contain a filter for retaining solid particles contained in the liquid preparation, size 1367424
    on the back of the needle holder 4.
    The syringe works as follows.
    5 Before the injection, remove the protective cap 9 and, if necessary, insert the needle 7. If the syringe is not pre-filled with the drug, press the stem 10,
    JO move the piston 2 forward until the stopper 3 rests against the back surface of the mouthpiece 6. Then the medication is collected, pulling the rod 10 towards you, and made an injection, pushing the rod 10 forward until it stops. If the syringe was stored in the filled form, press the rod 10, push the piston 2 forward until the plug 3 enters the
    20 the tube 5 of the needle holder 4 and the passage through the shaped groove 12 is released. In this case, the liquid will appear from the hole of the needle 7. Then injection is performed by pressing the stem 10
    25 to stop.
    The syringe can significantly reduce the loss of the drug due to the fact that on the inner surface of the needle holder is complete
    30 shaped groove for connecting the body cavity with the needle.
    % city /,
    fig.Z
    Phi.
    15
    Iz
    权利要求:
    Claims (2)
    [1]
    1. A SYRINGE containing a housing open on both sides, in which the piston is placed and installed. a stopper at the end opposite the piston, a needle holder made in the form of a tube with a mouthpiece for attaching a needle and a cuff designed to attach the needle holder to the body, characterized in that, in order to reduce the loss of the injectable drug, the inner surface of the needle holder has at least one figured jazz designed to connect the body cavity with the needle, while the inner diameter of the tube body is at least equal to the inner diameter of the body, and its length is greater than the length of the tube.
    [2]
    2. The syringe according to π. 1, characterized in that the end face of the piston and the ends of the tube are made flat.
    SU "" 1136742
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1136742A3|1985-01-23|Majority-redundant
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    US2727514A|1955-12-20|Aspirating hypodermic syringe and blood sampling devices
    JPH0663049U|1994-09-06|Syringe that also serves as a chemical container
    同族专利:
    公开号 | 公开日
    SG13083G|1983-12-16|
    SE438095B|1985-04-01|
    IT7831065D0|1978-12-20|
    JPS5491994A|1979-07-20|
    DK153444B|1988-07-18|
    AU4274878A|1979-06-28|
    FR2412320B1|1984-04-06|
    IE47621B1|1984-05-02|
    CH639856A5|1983-12-15|
    CA1136505A|1982-11-30|
    ZA786787B|1980-07-30|
    DK153444C|1989-06-05|
    ES245926Y|1980-12-16|
    DK572878A|1979-06-24|
    ES243692Y|1980-04-16|
    HU182036B|1983-12-28|
    DD141109A5|1980-04-16|
    FR2412320A1|1979-07-20|
    PH19010A|1985-12-03|
    RO77814A|1981-12-25|
    IE782522L|1979-06-23|
    ES243692U|1979-11-01|
    IT1101202B|1985-09-28|
    AT373779B|1984-02-27|
    MX148209A|1983-03-25|
    NL7714308A|1979-06-26|
    BE872971A|1979-06-21|
    SE7813086L|1979-06-24|
    ATA925778A|1983-07-15|
    IL56258D0|1979-03-12|
    IN150801B|1982-12-18|
    BR7808369A|1979-08-07|
    HK38183A|1983-10-07|
    NL180634C|1987-04-01|
    NL180634B|1986-11-03|
    JPS6258745B2|1987-12-08|
    IL56258A|1981-09-13|
    NZ189244A|1981-07-13|
    DE2854527A1|1979-07-05|
    ES245926U|1980-06-01|
    GB2010681A|1979-07-04|
    AU521647B2|1982-04-22|
    US4235235A|1980-11-25|
    GB2010681B|1982-09-02|
    CS226001B2|1984-03-19|
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    US4439184A|1982-05-03|1984-03-27|Concord Laboratories, Inc.|Two-dose syringe|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NLAANVRAGE7714308,A|NL180634C|1977-12-23|1977-12-23|INJECTION SYRINGE AND NEEDLE HOLDER FOR THIS.|
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