CN105232332A - Anti-puncture safe closed dispensing needle - Google Patents

Anti-puncture safe closed dispensing needle Download PDF

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Publication number
CN105232332A
CN105232332A CN 201510815810 CN201510815810A CN105232332A CN 105232332 A CN105232332 A CN 105232332A CN 201510815810 CN201510815810 CN 201510815810 CN 201510815810 A CN201510815810 A CN 201510815810A CN 105232332 A CN105232332 A CN 105232332A
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CN
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Prior art keywords
puncture
part
base
sleeve
protective
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CN 201510815810
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Chinese (zh)
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CN105232332B (en )
Inventor
赵继龙
王强
孙首禹
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山东新华安得医疗用品有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/14Details, e.g. provisions for hanging or shape retaining means; Accessories therefor, e.g. inlet or outlet ports, filters or caps
    • A61J1/20Arrangements for transferring or mixing fluids, e.g. from vial to syringe

Abstract

The invention belongs to the field of medical instruments, and particularly relates to an anti-puncture safe closed dispensing needle. The anti-puncture safe closed dispensing needle comprises a puncture part, a base, an elastic seal part, a protective sleeve, a limiting stopper and a base positioning mechanism. The puncture part is installed on the base and internally provided with a fluid passageway, the puncture part is completely wrapped by the elastic seal part, the protective sleeve is of a shell shape and opened at the two ends, the elastic seal part is located in the protective sleeve, and an inward protrusion is arranged on the lower portion of the protective sleeve. A boss is arranged on the periphery of the upper portion of the base corresponding to the protrusion, the outer diameter of the boss is larger than the diameter of the circle where the highest point of the protrusion is located, the limiting stopper capable of being taken down is arranged on the outer wall of the portion, below the boss, of the base, a gap is reserved between the boss and the limiting stopper, the protrusion of the protective sleeve is clamped in the gap, a connecting notch is formed in the base, and a fluid channel used for communicating the connecting notch with the fluid passageway is formed in the base. The dispensing needle is capable of closing liquid medicine and preventing the puncture part from puncturing related personnel and safe and reliable to use.

Description

防针刺安全密闭配药针 Anti acupuncture medicine needle safety sealed

技术领域 FIELD

[0001] 本发明涉及一种防针刺安全密闭配药针,主要和医用注射器具配套使用,属于医疗器具领域。 [0001] The present invention relates to an anti-art medical instrument sealed dispensing needle safety needle, the main medical and supporting the use of injection equipment, it belongs.

背景技术 Background technique

[0002] 临床上,使用带针的注射器进行药液配制是一种常见的方式,但是,在通过注射针或溶药针穿刺西林瓶塞抽取药液并进行配制的过程中,由于针的内孔是与外部环境连通的,在转移药液过程中,容易导致药液滴落或飞溅,浪费药液并污染环境,同时针在移动过程中,容易发生刺伤人员的事件,对人员造成危害。 [0002] Clinically, using a syringe with a needle for liquid preparation is a common way, however, during the withdrawal of liquid or dissolved drug through the injection needle and needle stopper amoxicillin formulated, since the inner needle hole is in communication with the external environment, in the process of transferring liquid, easily lead to liquid dripping or splashing, liquid waste and pollution of the environment, while the needle during the move, prone to stabbing people, causing harm to people .

发明内容 SUMMARY

[0003] 根据以上现有技术中的不足,本发明要解决的技术问题是:提供一种能够将药液封闭、防止穿刺部件刺伤相关人员且使用安全可靠的防针刺安全密闭配药针。 [0003] According to the above prior art shortcomings, the present invention is to solve the technical problem are: to provide a liquid closure, the piercing member to prevent puncture and personnel safety and reliability of the sealed medicine needle needlestick prevention safety.

[0004] 本发明所述的防针刺安全密闭配药针,包括穿刺部件、基座、弹性密封部件、保护套、限位器和基座定位机构;穿刺部件安装在基座上;穿刺部件上具有一尖部且其内部具有流体通路;弹性密封部件完全包覆在穿刺部件的外部且其顶部能够被穿刺部件的尖部穿透;保护套为壳状,两端开口,弹性密封部件位于保护套内,保护套下部设置向内的凸起;对应凸起在基座上部的外周设置凸台,凸台的外径大于凸起最高点所在圆的直径,凸台下方的基座外壁上具有可取下的限位器,凸台和限位器之间留有间隙,保护套的凸起卡在该间隙中,基座上具有与注射器具配合安装用的连接槽口,基座内还有一连通连接槽口和流体通路用的流体通道。 [0004] Anti-sealed dispensing needle safety needle of the present invention, the piercing member comprises a base, an elastic sealing member, the protective sleeve, the stopper and the base positioning mechanism; piercing member mounted on the base; puncturing member and having a tip having a fluid passageway therein; elastomeric sealing member entirely covering the top and outside of the piercing member can be penetrated by the tip portion of the pricking member; shell-like protective sleeve, open at both ends, a protective elastic sealing member kit, a lower protective sleeve disposed inwardly of the projections; projections corresponding to the upper base of the outer periphery of the boss, the boss outer diameter greater than the diameter of the projection of the highest point of the circle is located outside the base wall having a downward projection removable stopper, a gap between the boss and the stopper, a protective sleeve projection card in the gap, the injection appliance has a mating connector mounting base slot, the base there is a the communication slots and the fluid passage connected with the fluid passage.

[0005] 上述的弹性密封部件为下端开口、上端封闭的弹性套,弹性套从上向下套在穿刺部件上,其底部固定在基座上;穿刺部件可以是金属的,也可以是高分子材料的。 [0005] The resilient sealing member of the opening lower end, the upper end of the resilient sleeve is closed, the resilient sleeve from the sleeve downwardly on the puncturing member, a bottom fixed to the base; pricking member may be metal, or may be a polymer material.

[0006] 工作原理及过程: [0006] The principle and process:

[0007] 本发明所述的配药针在初始状态下,弹性密封部件完全包覆住穿刺部件,保护套与基座滑动配合,并且保护套将弹性密封部件和穿刺部件完全容纳在其内部,限位器位于保护套下方的基座上,限制保护套向下滑动,同时,与保护套下部向内的凸起相比,基座外表面的凸台更靠向轴心,可以限制保护套向上的移动,阻挡保护套从基座上方脱出。 [0007] The dispensing needle of the present invention in the initial state, the elastic seal member live completely covered pricking member, the protective sleeve sliding fit with the base, and an elastic protective sleeve and a piercing member completely seal member housed in the interior thereof, limits bit is located below the protective cover on the base, to limit downward sliding protective cover, while the lower protective sleeve inwardly projection compared to the boss an outer surface of the base and more toward the axis, can limit the protective sleeve upwardly mobile barrier protective sheath from coming out of the top of the base. 在配药过程中,本配药针需要与注射器具配合安装使用,使用时,需要将注射器具的头部置于基座上的连接槽口中,然后将限位器移开,向上推动基座,使基座沿轴向相对保护套向上移动,此时,弹性套被压缩,穿刺部件的尖部从弹性套顶部穿出、经过保护套上的孔并刺透西林瓶塞,即可进行药液的配置,在药液配制过程中,由基座定位机构实现基座与保护套的锁紧定位;药液配置完毕后,将穿刺部件从西林瓶塞中拔出,将基座复位,被压缩的弹性套自动回弹至初始状态,将穿刺部件封闭。 In the dispensing process, the dispensing with the need to install the needle and injection equipment, in use, the head of the injection equipment connection slots need for placing on the base, and then the stopper is removed, pushing up the base, so that base relative axial protective sleeve is moved upward, this time, the resilient sleeve is compressed, the tip portion of the pricking member from the top piercing the elastic sleeve, the protective sleeve through the holes and pierce resistant cork, chemical liquid can be carried out configuration, in the chemical preparation process, implemented by the base positioning mechanism positioning the locking base and the protective jacket; liquid after configuration is completed, the puncture resistant member is pulled out from the stopper, resetting the base, compressed resilient sleeve automatically spring back to the initial state, the puncture closure member.

[0008] 优选的,所述的限位器为卡环,从而能够快速将限位器从基座上取下。 [0008] Preferably, the snap ring is a stopper, the stopper can be quickly removed from the base.

[0009] 优选的,所述的基座定位机构包括设置在基座上的定位块和设置在保护套上的能够锁紧定位块的定位槽,定位块可以在定位槽内滑动。 [0009] Preferably, the base comprises a positioning mechanism disposed on the base block and positioning a protective sleeve capable of positioning the locking block positioning grooves, the positioning block may be slidably positioned in the slot. 当穿刺部件刺透西林瓶塞时,定位槽将定位块锁紧,从而在整个药液配制过程中将基座锁定,确保使用安全。 When the piercing member to pierce resistant cork, the positioning block positioning groove locking, so that the base liquid during the entire preparation process of locking to ensure safe use.

[0010] 进一步优选的,在定位槽的下部槽壁上增设卡点,卡点与定位块过盈,当限位器未取下时,定位块位于卡点下方,即使限位器因误操作或者其他原因与基座脱离,基座也不会自由运动(除非有较大的外力使基座与保护套发生相对运动),从而有效防止穿刺部件从保护套上方穿出,使用更为安全可靠。 [0010] Further preferably, the groove wall in the lower part of the positioning groove additional card points, checkpoints interference with the positioning block when the stopper is not removed, the positioning block is located below the point card, even if the stopper misoperation or other reasons and from the base, the base will not free movement (unless an external force larger base and the protective sleeve relative motion), thereby effectively preventing the piercing member piercing from above the protective cover, the use of more reliable .

[0011] 上述的定位槽可以为倒L型槽,当定位块移至定位槽顶端时,转动保护套,即可将定位块锁定,实现对基座以及穿刺部件的定位,从而防止弹性套回弹引发的穿刺部件从西林瓶塞中脱出,药液配置完毕后,反向转动保护套,使定位块可自由上下移动,此时向下拉动基座即可使基座复位。 [0011] The positioning can inverted L-shaped grooves, when the positioning block is moved to the top locating groove, rotation of the protective sleeve, the positioning block to lock the base and achieve the positioning of the piercing member, thereby preventing the elastomeric sleeve back elastic member caused puncture resistant disengaged from the stopper, the prepared solution has been completed, the reverse rotation of the protective sleeve, the positioning block may freely move up and down, then pulled down to the base so that the base is reset.

[0012] 上述的定位槽也可以是下宽上窄的变径槽,其上端与定位块过盈,这样,定位块向上滑动的过程中,能够卡在定位槽中,当定位块和保护套上定位槽之间的配合力大于压缩弹性套的作用力时,即可将定位块卡紧定位,防止弹性套回弹引发的穿刺部件从西林瓶塞中脱出,药液配置完毕后,用力向下拉动基座,当定位块和定位槽之间的配合力小于压缩弹性套的作用力时,继续向下拉动基座即可使基座复位。 [0012] The positioning can also be adjustable over a wide narrow groove, the upper end of the positioning block which is an interference, so that, during the positioning block slide upwardly, can be positioned in the card slot when the positioning block and the protective sheath when the mating force between the positioning groove is greater than the compressive force of the elastic sleeve, the positioning block to the chucking position, the resilient sleeve to prevent the resilient member from coming out of a puncture caused by resistant cork, the prepared solution has been completed, the force when driven by the base, when the mating force between the positioning grooves and positioning blocks smaller than the compression force of the elastic sleeve, so that pulling on the base down to the base reset.

[0013] 通过本发明所述的防针刺安全密闭配药针进行配药仍然符合目前的临床操作习惯,同时还能起到将药液封闭的作用,防止药液在转移过程中出现滴落或飞溅,有效避免了因药液外漏导致的环境污染问题,同时通过保护套能够防止穿刺部件的尖部刺伤相关人员。 [0013] Pharmaceutical still be consistent with the current clinical practice habits, but also play a role in the chemical liquid closed to prevent the liquid dripping occurred during transfer by the anti-spatter or closed dispensing needle safety needle of the present invention effectively prevent environmental pollution problems caused by liquid leakage, while the protective cover can be prevented by the tip portion of the pricking member stab the relevant art.

[0014] 本发明与现有技术相比所具有的有益效果是: [0014] Advantageous effects of the present invention and the prior art are compared has:

[0015] 本发明结构设计合理,通过本配药针能够将配置完的药液自动封闭,防止药液在转移过程中出现滴落或飞溅,有效避免了因药液外漏导致的环境污染问题;同时通过保护套能够防止穿刺部件的尖部刺伤相关人员,通过基座定位机构能够在整个药液配制过程中将基座锁定,确保使用安全。 [0015] reasonable design structure of the present invention, the present dispensing needle can be blocked automatically configuring the liquid to prevent the liquid dripping or splashing occurs during the transfer, effectively avoiding the problem of environmental pollution caused by liquid leakage; while pricking tip portion can be prevented by the protective sleeve member stab personnel, it can be formulated in the base liquid during the entire process of locating the base by a locking mechanism, to ensure safe use.

附图说明 BRIEF DESCRIPTION

[0016] 图1是本发明初始状态下的结构示意图; [0016] FIG. 1 is a schematic view of the present invention in the initial state;

[0017] 图2是本发明刺透西林瓶塞时的结构示意图; [0017] FIG. 2 is a schematic structural view of the present invention pierces stopper amoxicillin;

[0018] 图3是具有倒L型槽的保护套的结构示意图; [0018] FIG. 3 is a schematic view of an inverted L-shaped groove having a protective sheath;

[0019] 图4是具有变径槽的保护套的结构示意图。 [0019] FIG. 4 is a schematic structural diagram of adjustable groove having a protective sleeve.

[0020] 图中:1、尖部;2、穿刺部件;3、流体通路;4、弹性密封部件;5、保护套;6、定位块; [0020] FIG: 1, the tip; 2, the piercing member; 3, fluid passage; 4, the elastic seal member; 5, protective cover; 6, positioning block;

7、凸台;8、凸起;9、限位器;10、基座;11、流体通道;12、连接槽口;13、西林瓶塞;14、倒L型槽;15、卡点;16、变径槽。 7, the boss; 8, projections; 9, stopper; 10, a base; 11, fluid passage; 12, connected to the slot; 13, amoxicillin cork; 14, inverted L-shaped groove; 15, point card; 16, adjustable slots.

具体实施方式 detailed description

[0021] 下面结合附图对本发明的实施例做进一步描述: [0021] DRAWINGS further description of embodiments of the present invention:

[0022] 本防针刺安全密闭配药针的初始状态如图1所示,包括穿刺部件2、基座10、弹性密封部件4、保护套5、限位器9和基座定位机构,在药液配置过程中,基座定位机构能够将基座10与保护套5锁紧;穿刺部件2安装在基座10上;穿刺部件2上具有一尖部1且其内部具有流体通路3 ;弹性密封部件4完全包覆在穿刺部件2的外部且其顶部能够被穿刺部件2的尖部1穿透;保护套5为壳状,两端开口,弹性密封部件4位于保护套5内,保护套5下部设置向内的凸起8 ;对应凸起8在基座10上部的外周设置凸台7,凸台7的外径大于凸起8最高点所在圆的直径,凸台7下方的基座10外壁上具有可取下的限位器9,凸台7和限位器9之间留有间隙,保护套5的凸起8卡在该间隙中,基座10上具有与注射器具配合安装用的连接槽口12,基座10内还有一连通连接槽口12和流体通路3用的流体通道11。 [0022] The initial state of the present anti-dispensing needle safety needle shown in FIG sealed, sleeve 5, the stopper 9 and the base positioning mechanism comprises a piercing member 2, the base 10, the elastic seal member 4, a protection in medicine liquid distribution process, the base positioning mechanism of the base 10 and capable of locking the protective sleeve 5; the piercing member 2 mounted on the base 10; 1 and having a tip portion inside the piercing member 2 has a fluid passage 3; elastomeric seal member 4 completely coated on the outside and the top member 2 can be piercing tip to penetrate a pricking member 2; 5 a shell-like protective sheath, open at both ends, an elastic sealing member 4 is located within a protective cover 5, the protective sleeve 5 the lower portion is provided inwardly of the projections 8; 8 a corresponding projection 10 provided on the outer periphery of the upper portion of the susceptor projections 7, 7 an outer diameter greater than the diameter of the boss protrusion 8 where the highest point of the circle, the lower base 7 of the boss 10 an outer wall having a removable stopper 9, 9 remains between the stopper and the projection gap 7, the projections 5 of the protective sheath 8 cards in the gap, the base 10 and having a fitting mounting of injection equipment connecting slot 12, the base 10 also has a notch 12 and the communication fluid passage is connected with the fluid passageway 11 3. 本实施例中,弹性密封部件4为下端开口、上端封闭的弹性套,弹性套从上向下套在穿刺部件2上,其底部固定在基座10上;穿刺部件2可以是金属的,也可以是高分子材料的。 In this embodiment, the elastic seal member 4 is a lower opening, the upper end of the resilient sleeve is closed, the resilient sleeve from the sleeve downwardly on the puncturing member 2, which is fixed to the base 10 at the bottom; the piercing member 2 may be of metal, but also It may be a polymer material.

[0023] 上述配药针在初始状态下,弹性密封部件4完全包覆住穿刺部件2,保护套5与基座10滑动配合,并且保护套5将弹性密封部件4和穿刺部件2完全容纳在其内部,限位器9位于保护套5下方的基座10上,限制保护套5向下滑动,同时,与保护套5下部向内的凸起8相比,基座10外表面的凸台7更靠向轴心,可以限制保护套5向上的移动,阻挡保护套5从基座10上方脱出。 [0023] The dispensing needle in the initial state, the elastic seal member 4 is completely covered pricking member stay 2, the protective sleeve 10 sliding fit with the base 5, and the protective sleeve 5 and the elastic sealing member 4 is completely accommodated in the piercing member 2 which internally, the stopper 9 is located below the base 10 of the protective cover 5, limit the downward slidable sleeve 5, while a lower portion of the protective cover 5 with inwardly projections 8 as compared to the outer surface of the boss 10 of the base 7 more toward the axis, you can limit the upward movement of the protective sleeve 5, the sleeve 5 from coming out of the protective barrier above the base 10.

[0024] 在配药过程中,本配药针需要与注射器具配合安装使用,使用时,需要将注射器具的头部置于基座10上的连接槽口12中,然后将限位器9移开,向上推动基座10,使基座10沿轴向相对保护套5向上移动,此时,弹性套被压缩,穿刺部件2的尖部1从弹性套顶部穿出、经过保护套5上的孔并刺透西林瓶塞13(如图2所示),即可进行药液的配置,在药液配制过程中,由基座定位机构实现基座与保护套的锁紧定位;药液配置完毕后,将穿刺部件2从西林瓶塞13中拔出,并使基座回到初始状态下,被压缩的弹性套自动回弹至初始状态,将穿刺部件2封闭。 [0024] In the dispensing process, the dispensing with the need to install the needle and injection equipment, in use, the head of the injection equipment requires connection placed in the notch 10 on the base 12, and the stopper 9 is removed , the base 10 is pushed up, so that the base 10 in the axial direction relative to the protective sleeve 5 is moved upward, this time, the resilient sleeve is compressed, the piercing member piercing tip 1 from the top of the elastic sleeve 2, through the holes in the protective cover 5 amoxicillin and pierce the stopper 13 (FIG. 2), to configure the liquid, the liquid preparation process, to achieve the locking base and the protective cover is positioned by the positioning mechanism of the base; chemical configuration is completed after the puncture resistant cork 13 member 2 is pulled out from the base and back to the initial state, the compressed resilient elastomeric sleeve automatically to the initial state, the piercing member 2 is closed.

[0025] 本实施例中: [0025] In this embodiment:

[0026] 限位器9采用卡环,从而能够快速将限位器9从基座10上取下; [0026] The stopper 9 using the snap ring, the stopper can be quickly removed from the base 10 9;

[0027] 基座定位机构包括设置在基座10上的定位块6和设置在保护套5上的能够锁紧定位块6的定位槽,定位块6可以在定位槽内滑动,当穿刺部件2刺透西林瓶塞时,定位槽将定位块6锁紧,从而在整个药液配制过程中将基座10锁定,确保使用安全; Positioning block 6 and is provided [0027] the positioning means comprises a base disposed on the base 10 on the protective sleeve 5 is capable of positioning the locking block 6 of the positioning groove, the positioning block 6 may be slidably positioned in the slot, when the piercing member 2 when pierce resistant cork positioning groove locking the positioning block 6, whereby the base in the preparation process 10 is locked to ensure safety throughout the liquid;

[0028] 在定位槽的下部槽壁上增设卡点15,卡点15与定位块6过盈,当限位器9未取下时,定位块6位于卡点15下方,即使限位器9因误操作或者其他原因与基座10脱离,基座10也不会自由运动(除非有较大的外力使基座10与保护套5发生相对运动),从而有效防止穿刺部件2从保护套5上方穿出,使用更为安全可靠; [0028] In the lower portion of the tank wall of the positioning groove 15 of the additional point card, point card 15 with an interference the positioning block 6, when the stopper 9 is not removed, the card is positioned below the point 15 6, even when the limiter 9 10 due to malfunction or other reasons and from the base, the base 10 can not move freely (unless there is a large external force relative movement of the susceptor 10 and the protective sleeve 5 occurs), thereby effectively preventing the piercing member 2 from the protective cover 5 piercing above, the use of more safe and reliable;

[0029] 定位槽可以为倒L型槽14,如图3所示,当定位块6移至倒L型槽14顶端时,转动保护套5,即可将定位块6锁定,实现对基座10以及穿刺部件2的定位,从而防止弹性套回弹引发的穿刺部件2从西林瓶塞13中脱出,药液配置完毕后,反向转动保护套5,使定位块6可自由上下移动,此时向下移动基座10即可使基座10复位; [0029] the positioning groove may be inverted-L groove 14, shown in Figure 3, when the positioning block 6 is moved to the top of an inverted L-shaped slot 14, rotation of the protective cover 5, the positioning block 6 is locked to achieve the susceptor 10 and positioning the piercing member 2, thereby preventing the resilient elastomeric sleeve member 2 caused by the puncture resistant stopper 13 coming out from the chemical solution after configuration is completed, the reverse rotation of the protective cover 5, the positioning block 6 can move freely up and down, this moves downwardly to the base 10 so that base 10 is reset;

[0030] 上述的定位槽也可以是下宽上窄的变径槽16,如图4所示,变径槽16的上端与定位块6过盈,这样,定位块6向上滑动的过程中,能够卡在变径槽16中,当定位块6和保护套5上变径槽16之间的配合力大于压缩弹性套的作用力时,即可将定位块6卡紧定位,防止弹性套回弹引发的穿刺部件2从西林瓶塞13中脱出,药液配置完毕后,用力向下推动基座10,当定位块6和变径槽16之间的配合力小于压缩弹性套的作用力时,继续向下移动基座10即可使基座10复位。 [0030] The positioning grooves may be adjustable in a wide narrow groove 16, as shown, with the upper groove 16 of adjustable positioning block 6 4 interference, so that the positioning block 6 during the sliding upwards, Reduction can be stuck in the groove 16, when the mating force between the groove 16 adjustable positioning block 6 and 5 on the protective sleeve is greater than the compressive force of the elastic sleeve, the positioning block 6 to the clamping position, to prevent the elastomeric sleeve back when the projectile 2 from the initiation of the piercing member 13 emerge resistant cork, chemical configuration has been completed, the force pushing down the base 10, when the mating force between the adjustable positioning block 6 and the groove 16 is less than the compressive force of the elastic sleeve , 10 continues to move downwardly to the base so that the base 10 is reset.

[0031] 通过本发明所述的防针刺安全密闭配药针进行配药仍然符合目前的临床操作习惯,同时还能起到将药液封闭的作用,防止药液在转移过程中出现滴落或飞溅,有效避免了因药液外漏导致的环境污染问题,同时通过保护套5能够防止穿刺部件2的尖部1刺伤相关人员。 [0031] Pharmaceutical still be consistent with the current clinical practice habits, but also play a role in the chemical liquid closed to prevent the liquid dripping occurred during transfer by the anti-spatter or closed dispensing needle safety needle of the present invention effectively prevent environmental pollution problems caused by liquid leakage, while the protective cover 5 can be prevented by the tip of the piercing member 2 1 stab personnel.

Claims (10)

  1. 1.一种防针刺安全密闭配药针,其特征在于:包括穿刺部件(2)、基座(10)、弹性密封部件(4)、保护套(5)、限位器(9)和基座定位机构;穿刺部件(2)安装在基座(10)上;穿刺部件(2)上具有一尖部(I)且其内部具有流体通路(3);弹性密封部件(4)完全包覆在穿刺部件(2)的外部且其顶部能够被穿刺部件(2)的尖部(I)穿透;保护套(5)为壳状,两端开口,弹性密封部件位于保护套(5)内,保护套(5)下部设置向内的凸起⑶;对应凸起(8)在基座(10)上部的外周设置凸台(7),凸台(7)的外径大于凸起(8)最高点所在圆的直径,凸台(7)下方的基座(10)外壁上具有可取下的限位器(9),凸台(7)和限位器(9)之间留有间隙,保护套(5)的凸起(8)卡在该间隙中,基座(10)上具有与注射器具配合安装用的连接槽口(12),基座(10)内还有一连通连接槽口(12)和流体通路(3)用的流体通道(Il)0 CLAIMS 1. A needlestick prevention safety sealed dispensing needle, characterized by: a piercing member (2), the base (10), an elastic sealing member (4), protective sheath (5) and stopper (9) and the base seat positioning mechanism; piercing member (2) mounted on the base (10); pricking member having a tip portion (I) (2) inside thereof and having a fluid passage (3); an elastic sealing member (4) completely covered the tip portion (I) outside and puncture the top member (2) can be piercing member (2) penetrating; protective sheath (5) is a shell-like, open at both ends, an elastic sealing member at (5) within the protective housing protective sleeve (5) disposed inwardly of the lower portion of the projection ⑶; the corresponding projection (8) on the outer periphery of the base (10) is provided an upper projection (7), the outer diameter of the boss (7) is larger than the projection (8 ) where the highest point of the diameter of a circle, the bottom of the base projections (7) (10) an outer wall having a removable stopper (9), leaving a gap between the boss (7) and the stop (9) protective sleeve (5) of the projection (8) card in the gap, the base and having a mating connection with the injection equipment mounting slot (10) (12), the base (10) there is a communication connection groove port (12) and the fluid passage (3) with a fluid passage (Il) 0
  2. 2.根据权利要求1所述的防针刺安全密闭配药针,其特征在于:所述的弹性密封部件(4)为下端开口、上端封闭的弹性套,弹性套从上向下套在穿刺部件(2)上,其底部固定在基座(10)上。 2. A needlestick prevention safety sealed dispensing needle according to claim 1, wherein: said resilient sealing member (4) for the bottom opening, the upper end of the resilient sleeve is closed, the resilient sleeve from the sleeve downwardly pricking member (2), which is fixed to the base bottom (10).
  3. 3.根据权利要求1所述的防针刺安全密闭配药针,其特征在于:所述的限位器(9)为卡环。 3. A needlestick prevention safety according to claim 1 sealed dispensing needle, wherein: said stopper (9) is a snap ring.
  4. 4.根据权利要求1所述的防针刺安全密闭配药针,其特征在于:所述的基座定位机构包括设置在基座(10)上的定位块(6)和设置在保护套(5)上的能够锁紧定位块¢)的定位槽,定位块(6)可以在定位槽内滑动。 4. A needlestick prevention safety sealed dispensing needle according to claim 1, wherein: said base includes a positioning mechanism positioning block disposed in the base (6) (10) and disposed in the protective sleeve (5 the locking block can be positioned ¢) on a) positioning groove, positioning block (6) can slide within the locating slot.
  5. 5.根据权利要求4所述的防针刺安全密闭配药针,其特征在于:所述的定位槽的下部槽壁上具有卡点(15),卡点(15)与定位块(6)过盈,限位器(9)未取下时,定位块(6)位于卡点(15)下方。 5. A needlestick prevention safety sealed dispensing needle according to claim 4, wherein: said lower portion of the tank wall has an engaging point positioning groove (15), point card (15) and the positioning block (6) through surplus and stopper (9) has not been removed, it is positioned below the block (6) the point of the card (15).
  6. 6.根据权利要求4或5所述的防针刺安全密闭配药针,其特征在于:所述的定位槽为倒L型槽(14) ο 6. A needlestick prevention safety sealed dispensing needle 4 or claim 5, wherein: said groove is positioned an inverted L-shaped groove (14) ο
  7. 7.根据权利要求4或5所述的防针刺安全密闭配药针,其特征在于:所述的定位槽为下宽上窄的变径槽(16),其上端与定位块(6)过盈。 7. A needlestick prevention safety sealed dispensing needle 4 or claim 5, wherein: said groove is positioned on the lower adjustable width narrower groove (16), its upper end with the positioning block (6) through surplus.
  8. 8.根据权利要求1〜5任一所述的防针刺安全密闭配药针,其特征在于:所述的穿刺部件(2)的材质为金属或高分子材料。 A needlestick prevention according to claim any one of claims 1 ~ 5 secure sealed dispensing needle, wherein: said piercing member (2) is made of a metal or a polymer material.
  9. 9.根据权利要求6所述的防针刺安全密闭配药针,其特征在于:所述的穿刺部件(2)的材质为金属或高分子材料。 9. A needlestick prevention safety in claim 6 wherein said sealed dispensing needle, wherein: said piercing member (2) is made of a metal or a polymer material.
  10. 10.根据权利要求7所述的防针刺安全密闭配药针,其特征在于:所述的穿刺部件(2)的材质为金属或高分子材料。 10. A needlestick prevention according to claim 7, said safety sealed dispensing needle, wherein: said piercing member (2) is made of a metal or a polymer material.
CN 201510815810 2015-11-20 2015-11-20 Anti acupuncture medicine needle safety sealed CN105232332B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030060776A1 (en) * 2000-03-01 2003-03-27 Hanspeter Heiniger Disposable injector cap
CN1596138A (en) * 2001-11-30 2005-03-16 诺沃挪第克公司 Safety needle assembly
CN101066484A (en) * 2007-06-06 2007-11-07 邱晓菲 Disposable stab-preventing syringe
EP1949929A1 (en) * 2007-01-23 2008-07-30 Becton, Dickinson and Company, Wagner, Jaconda Safety pen needle with passive safety shield system
CN101594899A (en) * 2006-09-06 2009-12-02 特克法马许可公司 Needle protection device with a blocked protective position
CN202179703U (en) * 2011-07-28 2012-04-04 山东威高集团医用高分子制品股份有限公司 Disposable protective medicine dispenser
CN203749847U (en) * 2013-09-29 2014-08-06 石超 Pollution-proof dispensing device
CN204033780U (en) * 2014-08-29 2014-12-24 中国人民解放军第四军医大学 Special injector for dispensing medicine
CN204446820U (en) * 2015-02-10 2015-07-08 四川省人民医院 Telescopic anti-acupuncture syringe
CN205145136U (en) * 2015-11-20 2016-04-13 山东新华安得医疗用品有限公司 Airtight dispensing needle of needle -prick prevention safety

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030060776A1 (en) * 2000-03-01 2003-03-27 Hanspeter Heiniger Disposable injector cap
CN1596138A (en) * 2001-11-30 2005-03-16 诺沃挪第克公司 Safety needle assembly
CN101594899A (en) * 2006-09-06 2009-12-02 特克法马许可公司 Needle protection device with a blocked protective position
EP1949929A1 (en) * 2007-01-23 2008-07-30 Becton, Dickinson and Company, Wagner, Jaconda Safety pen needle with passive safety shield system
CN101066484A (en) * 2007-06-06 2007-11-07 邱晓菲 Disposable stab-preventing syringe
CN202179703U (en) * 2011-07-28 2012-04-04 山东威高集团医用高分子制品股份有限公司 Disposable protective medicine dispenser
CN203749847U (en) * 2013-09-29 2014-08-06 石超 Pollution-proof dispensing device
CN204033780U (en) * 2014-08-29 2014-12-24 中国人民解放军第四军医大学 Special injector for dispensing medicine
CN204446820U (en) * 2015-02-10 2015-07-08 四川省人民医院 Telescopic anti-acupuncture syringe
CN205145136U (en) * 2015-11-20 2016-04-13 山东新华安得医疗用品有限公司 Airtight dispensing needle of needle -prick prevention safety

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