CN104096283B - Preventing liquid leakage of the infusion needle-free connector - Google Patents

Preventing liquid leakage of the infusion needle-free connector Download PDF

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Publication number
CN104096283B
CN104096283B CN201310127676.2A CN201310127676A CN104096283B CN 104096283 B CN104096283 B CN 104096283B CN 201310127676 A CN201310127676 A CN 201310127676A CN 104096283 B CN104096283 B CN 104096283B
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tube
compression
sleeve
formed
provided
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CN201310127676.2A
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CN104096283A (en
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蔡溪进
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蔡溪进
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Abstract

本发明为一种防止药液外漏的免针输液接头,其是于套筒的内部形成有导管,导管的内壁面底端处突伸有挡缘,套筒的内部依序设置有移动件以及弹性阀,套筒的顶端设置有为中空体的连接座,移动件为中空体,设置于套筒的内部,弹性阀设有导杆,导杆位于导管中,导杆与导管之间形成有通道,导杆的外壁面底端处紧抵于导管的挡缘,使导管的底端管口封闭,弹性阀顶抵位于连接座与移动件之间,弹性阀的内部设有插杆,使弹性阀与连接座内部不连通。 The present invention is a method for preventing liquid leakage of the infusion needle-free connector, which is formed at the bottom end with a catheter, the catheter inner wall surface of the internal sleeve has protruding stop edge, the inner sleeve is provided sequentially moving member and an elastic valve, connected to the top sleeve is provided promising base of the hollow body, the hollow body is a moving element disposed inside the sleeve, the elastic valve is provided with the guide bar, the guide bar is located in the conduit, the conduit is formed between the guide rod and with a channel, the outer wall surface of the bottom end of the guide rod tightly against the blocking edge of the catheter, so that the bottom end of the nozzle conduit is closed, abutting the elastic valve is located between the connecting base and the mobile member, provided inside the elastic valve plunger, the resilient valve seat is not connected to the internal communication. 使用时,是先将注射器结合于连接座,再将加药器结合于套筒底端以推顶移动件,进而使弹性阀压缩,此时,弹性阀的导杆的底端远离导管的挡缘,故导管的底端管口呈开放状态,借此提供药液可顺利注入病患体内。 In use, the syringe is first bonded to the connecting base, and then bound to a dosing device to push the bottom end of the sleeve member moves, thereby compressing the resilient valve, at this time, the bottom end of the guide bar away from the stopper elastic valve conduit edge, so that the bottom end of the catheter tube orifice was opened state, thereby providing the liquid can be smoothly injected into the patient's body.

Description

防止药液外漏的免针输液接头 Preventing liquid leakage of the infusion needle-free connector

技术领域 FIELD

[0001] 本发明是关于药液注射器,尤指一种可确实防止药液外漏的免针输液接头。 [0001] The present invention relates to liquid syringe, particularly to a liquid leakage can be reliably prevented infusion needle-free connector.

背景技术 Background technique

[0002] 药液注射器是用于将药液注入病患体内,传统的药液注射器是于针筒上设有针头,经由针头可将针筒内部的药液注入病患体内,但是,针头容易穿刺物品,甚或刺伤医护人员,因此,目前发展有一种无需针头的免针式药液注射器。 [0002] The chemical liquid injector for injecting the patient's body, is provided with conventional chemical liquid syringe on the syringe needles, syringe via the needle inside the drug solution may be injected into the patient's body, however, the needle easily puncture items, stabbed or even health care workers, therefore, there is a need not currently developing needle-free liquid syringe needle.

[0003] 上述的免针式药液注射器于使用时,是透过免针输液接头与加药器之间的结合, 使免针输液接头的内部与加药器的内部形成有一输液流道,借此,针筒内部的药液可通过该输液流道注入病患体内,然而,现有技术的免针输液接头的气密效果不佳,当注射完毕, 欲将加药器拆离于免针输液接头时,常会发生药液外漏的情形而造成危险,故尚有待加以改良。 [0003] Free liquid syringe needle when in use, through the binding between a needle-free connector and doser infusion, the infusion needle-free connector so that the inside and inside the doser is formed with a flow passage of infusion, Accordingly, the drug solution may be injected inside the barrel of the patient's body through the infusion flow path, however, the infusion needle-free connector poor sealing effect of the prior art, when the injection is completed, is removed from the dosing wishing to Free infusion needle connector, the case is often rather dangerous liquid leakage occurs, it remains to be be improved.

发明内容 SUMMARY

[0004] 有鉴于前述现有技术的缺点,本发明提供一种防止药液外漏的免针输液接头,通过设计有可相互紧抵的套筒与弹性阀,以达到防止药液外漏的功效。 [0004] In view of the foregoing disadvantages of the prior art, the present invention provides a method for preventing liquid leakage of the infusion needle-free connector, by design mutually tight contact with the elastic sleeve valve, in order to achieve the prevention of liquid leakage efficacy.

[0005] 为达到前述的发明目的,本发明提出一种防止药液外漏的免针输液接头,其包括有一套筒、一移动件、一弹性阀以及一连接座,其中:该套筒具有一外管,该外管的内部形成有一导管,该导管的内壁面底端处突伸有一挡缘;该移动件为一中空体,其可移动地设置于套筒的内部并套设于导管的外侧;该弹性阀依序设有一下压缩管、一柱体及一上压缩管,该柱体上贯穿设有至少一穿孔,该下压缩管内部与该上压缩管内部通过该穿孔而相互连通, 下压缩管的内部设有一导杆,该弹性阀可压缩地设置于套筒的内部,且下压缩管紧密套设于套筒的导管的外侧,导杆位于套筒的导管中,导杆与导管之间形成有一通道,该通道与上压缩管内部不连通,导杆的外壁面底端处紧抵于导管的挡缘,使导管的底端管口封闭;该连接座为一中空体,其设置于套筒的顶端, [0005] To achieve the foregoing object of the invention, the present invention provides a method of preventing liquid leakage of the infusion needle-free connector comprising a sleeve, a moving member, a resilient valve seat and a connector, wherein: the sleeve has an outer tube, the interior of the outer tube is formed with a conduit, the inner wall surface at the bottom end of the conduit protrudes a blocking edge; the movable member is a hollow body which is movably disposed in the sleeve interior and sleeved on the catheter the outside; sequentially the elastic valve provided at the compression tube, a cylinder and a compression tube, the cylinder is provided with at least one perforation through the upper, the lower inner tube inside the compression tube through the perforations of the compression to each other communication, the compressed inner tube is provided with a guide rod, the compressible elastic valve disposed inside the sleeve, and the compression tube tightly sleeved on the outer sleeve of the catheter, the sleeve catheter guide bar, the guide is formed between the rod and the conduit having a channel, the channel does not communicate the inside of the compression tube, the outer wall surface of the bottom end of the guide rod tightly against the blocking edge of the catheter, so that the bottom end of the nozzle conduit is closed; the base is connected to a hollow body, which is provided at the top of the sleeve, 弹性阀顶抵位于连接座与移动件之间,又弹性阀的上压缩管的内部设有一插杆,使弹性阀的柱体的穿孔与连接座内部不连通。 Abutting the elastic valve is located between the connecting base and the mobile member, and the elastic compression of the valve inner perforated inner tube is provided with a plunger connected to the seat, so that the elastic valve cylinder does not communicate.

[0006] 所述的防止药液外漏的免针输液接头,其中:该套筒的外管与导管之间形成有一环形板,该环形板上贯穿设有多个限位孔;该移动件具有一环体,该环体的底面向下突伸有多个限位板,该限位板对应贯穿插设于套筒的环形板的限位孔中。 [0006] to prevent liquid leakage of the infusion needle-free connectors, wherein: an annular plate is formed between the outer tube and the sleeve pipe, which annular plate is provided with a plurality of through-holes limiting; the moving member having a ring member, the bottom surface of the ring member with a plurality of downwardly projecting stopper plate, the stopper plate through the corresponding limiting hole provided in the annular plate is inserted in the sleeve.

[0007] 所述的防止药液外漏的免针输液接头,其中该连接座顶端形成有一连接管,底端形成有一环形块,该环形块插设位于套筒的外管的顶端内部。 [0007] preventing liquid leakage of the infusion needle-free connector, wherein the connector housing is formed with a connecting pipe to the top, bottom block is formed with an annular, ring-shaped block that is inserted inside the sleeve to the top of the outer tube.

[0008] 所述的防止药液外漏的免针输液接头,其中:该弹性阀的柱体上贯穿设有一穿孔, 该导杆的顶端与该穿孔的内壁面底端处连接,穿孔的内壁面内凹设有多个凹槽,该等凹槽的底端呈开放状并连通于下压缩管内部,导杆与导管之间形成的通道与凹槽连通;该连接座的环形块的内部向下突伸有该插杆,插杆的外壁面内凹设有多个沟槽,该等沟槽的顶端呈开放状并连通于连接管内部,插杆的外壁面底端处紧抵于弹性阀的柱体的穿孔的内壁面,使上压缩管内部与柱体的穿孔不连通。 [0008] preventing liquid leakage of the infusion needle-free connector, wherein: a through hole provided on the cartridge through the elastic valve, the top guide bar is connected to the bottom end of the inner wall surface of the through hole, the inner perforated concave wall is provided with a plurality of grooves, the bottom of such groove-like shape and open communication with the inner tube to compress, and the passage groove is formed between the guide bar and the communication conduit; inner annular seat of the connecting block the downwardly protruding plunger has an outer wall surface of the plunger is provided with a plurality of concave grooves, the top of the trenches and the shape of the form opening communicates with the interior of the connecting pipe, the outer wall surface of the bottom end of the plunger tightly against the perforated inner wall surface of the elastic valve cylinder, the compression cylinder and the inner perforated tube does not communicate on.

[0009] 所述的防止药液外漏的免针输液接头,其包括有套筒、移动件、弹性阀及连接座等四个构件,其中弹性阀的下压缩管、柱体、上压缩管及导杆一体成型制成,连接座的连接管、 环形块及插杆一体成型制成。 [0009] to prevent liquid leakage of the infusion needle-free connector, which includes four sleeve member, the movable member, and elastically connecting the valve seat and the like, wherein the elastic compression of the valve tube, a cylinder, a compression tube and a guide bar integrally molded into the connection pipe connecting socket, the plunger and the annular block are integrally formed.

[0010] 所述的防止药液外漏的免针输液接头,其中:该弹性阀的柱体的底面向下突伸设有该导杆,柱体的顶面向上突伸设有该插杆,柱体上贯穿设有多个穿孔,该等穿孔环绕在导杆与插杆周围,导杆的外侧面顶端处形成有一环缘,该环缘插设位于导杆与导管之间形成的通道的顶端内部,使通道与穿孔不连通,插杆的顶端形成有一扩大部,该扩大部的外侧面紧抵于连接座的环形块的内壁面,使上压缩管内部与连接座内部不连通。 [0010] to prevent liquid leakage of the infusion needle-free connector, wherein: the bottom surface of the elastic valve cylinder projecting downwardly with the guide rod, the top surface of the cylinder with the plunger protruding , through the upper cylinder is provided with a plurality of perforations, such perforations surrounds the guide rod and the plunger, an outer side surface of the top guide bar is formed with a rim, the rim interposed between the guide rod and the passage is formed in the conduit the top inside the channels and the perforations are not in communication, the top plunger is formed with an enlarged portion, the tight side of the enlarged portion against the inner wall surface of the annular block socket in the compression inside the pipe and do not communicate with internal connector holder.

[0011] 所述的防止药液外漏的免针输液接头,其包括有套筒、移动件、弹性阀及连接座等四个构件,其中弹性阀的下压缩管、柱体、上压缩管、导杆及插杆一体成型制成。 [0011] to prevent liquid leakage of the infusion needle-free connector, which includes four sleeve member, the movable member, and elastically connecting the valve seat and the like, wherein the elastic compression of the valve tube, a cylinder, a compression tube , the guide rod and the plunger are integrally formed.

[0012] 所述的防止药液外漏的免针输液接头,其中:该弹性阀的柱体的底面向下突伸设有该导杆,柱体的顶面向上突伸设有该插杆,柱体上贯穿设有多个穿孔,该等穿孔环绕在导杆与插杆周围,导杆的外侧面顶端处形成有一环缘,该环缘插设位于导杆与导管之间形成的通道的顶端内部,使通道与穿孔不连通,插杆的顶端形成有一扩大部;该连接座的环形块的内壁面突伸有一凸缘,插杆的扩大部的外侧面紧抵于该凸缘,使上压缩管内部与连接座内部不连通。 [0012] to prevent liquid leakage of the infusion needle-free connector, wherein: the bottom surface of the elastic valve cylinder projecting downwardly with the guide rod, the top surface of the cylinder with the plunger protruding , through the upper cylinder is provided with a plurality of perforations, such perforations surrounds the guide rod and the plunger, an outer side surface of the top guide bar is formed with a rim, the rim interposed between the guide rod and the passage is formed in the conduit the top inside the channels and the perforations are not in communication, the top plunger is formed with an enlarged portion; inner wall surface of an annular block having the connector holder protrudes with a collar, the tight side enlarged portion of the plunger is brought to the flange, compression tube does not communicate with the interior of the inner connector housing.

[0013] 所述的防止药液外漏的免针输液接头,其包括有套筒、移动件、弹性阀、插杆及连接座等五个构件,其中弹性阀的下压缩管、柱体、上压缩管及导杆一体成型制成。 [0013] to prevent liquid leakage of the infusion needle-free connector, which comprises a sleeve, a movable member, the elastic valve, and the rod member is inserted five other connecting seat, wherein the valve under compression of the elastic tube, cartridge, compression tube and the guide rod are integrally formed.

[0014] 所述的防止药液外漏的免针输液接头,其中该弹性阀的上、下压缩管的顶端分别形成有一顶板,该顶板贯穿设有一通孔,柱体的底面向下突伸形成有该导杆,柱体的顶面向上突伸形成有该插杆,柱体上贯穿设有多个穿孔,该等穿孔环绕在导杆与插杆周围,套筒的导管的顶端压抵下压缩管的顶板,使下压缩管的顶板顶抵于柱体并封闭穿孔,进而使导杆与导管之间形成的通道与穿孔不连通,插杆的顶端形成有一扩大部,该扩大部的外侧面紧抵于上压缩管的顶板的通孔的孔壁面,使上压缩管内部与连接座内部不连通。 [0014] to prevent liquid leakage of the infusion needle-free connector, wherein the tip of the tube on the elastic valve, compressed respectively formed with a top plate, the top plate is provided with a through hole through the bottom surface of the downwardly projecting column the guide bar is formed, is formed projecting on the top surface of the cylinder with a plunger, provided with a plurality of perforations through the cartridge, such perforations surrounds the guide rod and the plunger, the catheter tip is pressed against the sleeve roof compression tube, the compression top plate against the cylinder tube and closes the top of the perforations, and thus the guide rod passage formed between the catheter and not in communication with the perforations, the top of the plunger is formed with an enlarged portion, the enlarged portion tightly against the hole wall surface of the outer side surface of the through hole on the top plate tube compressed so that the interior of the pipe does not communicate with the compression internal connector holder.

[0015] 所述的防止药液外漏的免针输液接头,其包括有套筒、移动件、上压缩管、柱体、下压缩管及连接座等六个构件,其中导杆及插杆一体成型于柱体上。 [0015] to prevent liquid leakage of the infusion needle-free connector, which comprises a sleeve, a movable member, a compression tube, cylinder, six compression member connecting seat tube and the like, wherein the guide rod and the plunger integrally formed on the cartridge.

[0016] 本发明所提供的防止药液外漏的免针输液接头,可以获得的优点及功效增进至少包括:当加药器拆离于免针输液接头时,免针输液接头内部产生的负压吸力可使残留于免针输液接头外部的药液流入内部,且弹性阀的上、下压缩管提供有恢复弹力而可自行伸长复位,并产生有三层密闭效果,进而确实达到防止药液外漏的功效。 [0016] The present invention is provided to prevent leakage of the drug solution infusion needle-free connector, advantages and effects that can be obtained at least promotional comprising: when the doser detached infusion needle-free connector to the inner infusion needle-free connector generated negative suction pressure can remain in the needle-free infusion of liquid into the interior of the external connector, and the upper and lower elastic valve tube is provided with a compression recovery force of the stretched self-resetting, and produce the effect of three closed, and thus prevent the liquid does reach leakage effect.

附图说明 BRIEF DESCRIPTION

[0017] 以下附图仅旨在于对本发明做示意性说明和解释,并不限定本发明的范围。 [0017] The following drawings are only intended to be illustrative description and explanation of the invention, not to limit the scope of the present invention. 其中: among them:

[0018] 图1为本发明第一实施例的立体外观图。 [0018] FIG. 1 is a perspective external view of a first embodiment of the present invention.

[0019] 图2为本发明第一实施例的立体分解图。 [0019] Fig 2 a perspective exploded view of a first embodiment of the present invention.

[0020] 图3为本发明第一实施例的立体剖面分解图。 [0020] FIG 3 a first embodiment of a perspective cross-sectional exploded view of embodiment of the present invention.

[0021] 图4为本发明第一实施例的剖面示意图。 [0021] FIG. 4 is a schematic cross-sectional view of the first embodiment of the present invention.

[0022] 图5为本发明第一实施例的使用状态剖面示意图。 [0022] FIG 5 a first sectional view of embodiment of the invention using state of the embodiment.

[0023] 图6为本发明第一实施例结合注射器的操作示意图。 [0023] FIG. 6 a schematic diagram of the operation of a first embodiment of the syringe in conjunction with the present invention.

[0024] 图7为结合有注射器的本发明第一实施例连接至加药器的示意图。 [0024] FIG. 7 is a syringe of the present invention in conjunction with the first embodiment of a schematic is connected to the dosing.

[0025] 图8至图10为本发明第一实施例结合有注射器与加药器的使用状态剖面示意图。 [0025] FIG. 8 to FIG. 10 is a sectional schematic view of the state of use with embodiments incorporating the syringe doser first embodiment of the invention.

[0026] 图11为本发明第二实施例的立体分解图。 [0026] Figure 11 an exploded perspective view of a second embodiment of the present invention.

[0027] 图12为本发明第二实施例的立体剖面分解图。 [0027] FIG. 12 is a second perspective cross-sectional exploded view of the embodiment of the invention.

[0028] 图13为本发明第二实施例的剖面示意图。 [0028] Figure 13 a schematic cross-sectional view of the second embodiment of the present invention.

[0029] 图14为本发明第二实施例的使用状态剖面示意图。 [0029] FIG. 14 is a sectional schematic view of a second embodiment of the use state of the present invention.

[0030] 图15至图17为本发明第二实施例结合有注射器与加药器的使用状态剖面示意图。 The second embodiment of the syringe with a cross-sectional schematic view illustrating the use state dosing [0030] FIGS. 15 to 17 of the present invention.

[0031] 图18为本发明第三实施例的立体分解图。 [0031] FIG. 18 is an exploded perspective view of a third embodiment of the present invention.

[0032] 图19为本发明第三实施例的立体剖面分解图。 [0032] Figure 19 a perspective cross-sectional exploded view of the third embodiment of the present invention.

[0033] 图20为本发明第三实施例的剖面示意图。 [0033] FIG. 20 cross-sectional schematic view of a third embodiment of the present invention.

[0034] 图21为本发明第三实施例的使用状态剖面示意图。 [0034] FIG. 21 is a sectional schematic view of a third embodiment of the use state of the present invention.

[0035] 图22为本发明第四实施例的立体分解图。 [0035] FIG. 22 is a perspective exploded view of a fourth embodiment of the present invention.

[0036] 图23为本发明第四实施例的立体剖面分解图。 [0036] Figure 23 a perspective cross-sectional exploded view of a fourth embodiment of the embodiment of the present invention.

[0037] 图24为本发明第四实施例的剖面示意图。 [0037] FIG 24 a schematic cross-sectional view of a fourth embodiment of the present invention.

[0038] 图25为本发明第四实施例的使用状态剖面示意图。 [0038] Example 25 use state of a fourth embodiment of a cross-sectional schematic view of the present disclosure.

[0039] 图26至图29为本发明的球形压缩管的立体外观图。 Spherical appearance perspective view of the tube [0039] 26 to 29 of the present invention is compressed.

[0040] 主要元件标号说明: 10、10A、1()B、IOC 套筒11 外管m内螺纹ri2扣块113 卡块12、12A、12B、12C 导管121、121A、121B、121C 挡缘13环形板1.31限位孔20、20A、20B、20C 移动件2丄环体211第一环槽22限位板30、30A、30B、30C弹性阀31、 310、31/V、310A、31B、310B、31C、310C 下压缩管3 IlC顶板3i2C通孔32、 32A、32B、32C 柱体 [0040] The main element numbers DESCRIPTION: 10,10A, 1 () B, inner sleeve 11 of the outer tube IOC ri2 snap block 113 m thread clamping block 12,12A, 12B, 12C conduits 121,121A, 121B, 121C blocking edge 13 1.31 annular plate limiting hole 20,20A, 20B, 20C moving member 211 of the first ring member 2 Shang annular groove 22 stopper plate 30,30A, 30B, 30C elastomeric valve 31, 310,31 / V, 310A, 31B, 310B compression tube 3 IlC 3i2C roof through hole 32, 32A, 32B, 32C column at 31C, 310C

[0041] :32ί、321A、321B、321C 穿孔322A凹槽33、 330、33/\、330A、33B、330B、33C、330C 上压缩管331C顶板3.32C通孔34、 34A、34B、34C 导杆341、34IB 环緣35 空间36、3M、36B、36C 通道37、37B、37C 猶杆371、371B、371C 扩大部40、 4()A、40B、40C 连接座41、 41A连接管411外螺纹42、 42A、42B 环形块421、421A、42ΊΒ 第二环槽422扣槽423卡槽424B凸缘43A插杆431Λ沟槽50注射器 [0041]: 32ί, 321A, 321B, 321C perforations 322A recess 33, 330,33 / \, 330A, 33B, 330B, 33C, 331C roof 3.32C compression tube through hole 34, 34A, 34B, 34C on the guide rod 330C 341,34IB rim space 35 36,3M, 36B, 36C channels 37,37B, 37C rod still 371,371B, 371C enlarged portion 40, 4 () A, 40B, 40C connected to the external thread 411 42 41, 41A connecting pipe , 42A, 42B annular block 421,421A, 42ΊΒ second snap ring groove 422 slot 423 slot 424B of the flange 43A of the syringe plunger 431Λ trench 50

[0042] 60、60A、60B 加药器6:[弹性阀70药液 [0042] 60,60A, 60B dosing 6: [chemical elastic valve 70

具体实施方式 Detailed ways

[0043] 为了对本发明的技术特征、目的和效果有更加清楚的理解,现对照附图说明本发明的具体实施方式。 [0043] For the technical characteristics of the invention, the objects and effects more clearly understood, reference now be described specific embodiments of the present invention the control of.

[0044] 请参阅图1至图4所示,本发明的防止药液外漏的免针输液接头,其包括有一套筒10、一移动件20、一弹性阀30以及一连接座40。 [0044] Please refer to FIG. 1 to FIG prevent liquid leakage of the infusion needle-free connector 4 of the present invention, which comprises a sleeve 10, a moving member 20, a resilient valve seat 30 and a connector 40.

[0045]该套筒10具有一外管11,该外管11的底端形成有内螺纹111,外管11的内部且相邻该内螺纹111处形成有一导管12,该导管12的内壁面底端处突伸有一挡缘121,于外管11与导管12之间形成有一环形板13,该环形板13上间隔贯穿设有多个轴向限位孔131。 [0045] The sleeve 10 has an outer tube 11, the bottom end of the outer tube 11 is formed with an internal thread 111, inside the outer tube 11 and a conduit 12 formed adjacent to the inner thread 111, the inner wall surface 12 of the conduit bottom end protrudes a stopper edge 121 is formed in between the outer tube 11 and the conduit 12 has an annular plate 13, the spacer 131 is provided with a plurality of through-limiting hole 13 axially on the annular plate.

[0046] 该移动件20为一中空体,其具有一环体21,该环体21的顶面内凹设有一第一环槽211,环体21的底面间隔向下突伸有多个限位板22,该限位板22对应于套筒10的环形板13的限位孔131,该移动件20可移动地设置于套筒10的内部,且环体21套设于套筒10的导管12的外侧并位于环形板13上方,限位板22贯穿插设于环形板13的限位孔131中,借以限制移动件20仅可相对于套筒10进行轴向位移。 [0046] The moving member 20 is a hollow body having a ring member 21, the concave top surface of the ring member 21 is provided with a first annular groove 211, the bottom surface of the spacer ring 21 with a plurality of downwardly projecting limited positioning plate 22, the stopper plate 22 corresponding to the stopper holes 13 of the annular plate 131 of the sleeve 10, the movable member 20 is movably disposed inside the sleeve 10, and the ring member 21 is sleeved on the sleeve 10 the outer conduit 12 and located above the annular plate 13, inserted through the stopper plate 22 provided in the limiting hole 131 of the annular plate 13, thereby limiting movement of member 20 relative to the sleeve 10 can only be axially displaced.

[0047] 该弹性阀30由下至上依序设有一下压缩管31、一圆形柱体32及一上压缩管33,该下压缩管31与该上压缩管33可受外力变形并在外力消失后恢复原状,该柱体32上贯穿设有至少一轴向穿孔321,下压缩管31内部与上压缩管33内部通过该穿孔321而相互连通,下压缩管31的内部设有一导杆34,该导杆34的外径小于套筒10的导管12的内径,该弹性阀30可压缩地设置于套筒10的内部并位于移动件20上方,且下压缩管31紧密套设于套筒10的导管12的外侧,下压缩管31的管壁底端处容置于移动件20的环体21的第一环槽211中,导管12的外壁面顶端处紧抵于下压缩管31的内壁面顶端处,使下压缩管31与导管12之间的空间35与柱体32的穿孔321不连通,又导杆34位于套筒10的导管12中,导杆34与导管12之间具有间隙而形成有一通道36,该通道36与上压缩管33内部不连通,导杆34的外壁面底端处紧抵于 [0047] 30 of the elastic valve provided at the compression-oriented sequentially tube 31, a circular cylinder 32 and a compression tube 33, compressing the compression tube 31 to the upper pipe 33 can be deformed by an external force and external force after the disappearance of restitution, the cylinder 32 is provided through the at least one axial through hole 321, the inner tube 31 and the compression of the compression of the inner tube 33 communicate with each other through the through hole 321, the compressed inner pipe 31 is provided with a guide rod 34 , the outer diameter of the guide rod 34 is smaller than the inner sleeve 10 of the catheter 12, the elastic valve 30 is provided inside the compressible sleeve 10 and positioned above the moving element 20, tube 31 and the compression sleeve is provided close to the sleeve 10 outside the catheter 12, the bottom end wall of the compression tube 31 is received in recess 211 to compress the first ring 21, the outer wall of the catheter tip 12 is tightly against the moving member 20 of the lower tube ring 31 the inner wall surface at the tip of the tube 31 and the conduit 12 between the compression space 35 does not communicate with the perforations 321 of the cylinder 32, the guide rod 34 and the sleeve 10 of the catheter 12, the guide rod 34 between the conduit 12 and having a gap is formed with a channel 36, the channel 36 and the inner tube 33 does not communicate with the compression, the outer wall surface of the bottom end of the guide rod 34 is tightly against the 导管12的挡缘121,使导管12的底端管口封闭。 Blocking edge 12112 of the catheter, the catheter 12 so that the bottom end of the spout is closed.

[0048] 该连接座40为一中空体,其顶端形成有一连接管41,底端形成有一环形块42,该连接管41形成有外螺纹411,该连接座40设置定位于套筒10的顶端,且环形块42插设位于套筒10的外管11的顶端内部,使弹性阀30的底端抵顶于移动件20的环体21,弹性阀30的顶端抵顶于连接座40的环形块42,又弹性阀30的柱体32的穿孔321与连接座40内部不连通。 [0048] The connecting base 40 is a hollow body which is formed with a connecting pipe 41 to the top, the bottom block 42 is formed with a ring-shaped, the connecting tube 41 is formed with an external thread 411, the connecting base 40 is provided at the top of the sleeve 10 is positioned , and the annular block 42 is inserted inside the outer tube 11 at the top of the sleeve 10, the bottom end of the resilient valve ring 30 abuts against the moving member 20 in the body 21, the elastic valve tip 30 abuts against the annular seat 40 of the connector blocks 42, 30 and 40 of the elastic valve cylinder 321 and the inner perforated connecting seat 32 is not in communication.

[0049] 请参阅图1至图5所示,为本发明第一实施例。 [0049] Please refer to FIG. 1 to FIG. 5, a first embodiment of the present invention.

[0050] 该套筒10的外管11的内壁面接近顶缘处突伸有一环形扣块112,外管11的内壁面间隔突伸有多个轴向卡块113。 An inner wall surface of the outer tube 11 [0050] The sleeve 10 is near the top edge has a projecting annular snap block 112, the inner wall surface of the outer tube 11 with a plurality of spaced axially protruding block 113 cards.

[0051] 该弹性阀30的柱体32的底面中央处向下突伸形成有该导杆34,柱体32的顶面中央处向上突伸形成有一插杆37,柱体32上间隔贯穿设有多个穿孔321,该等穿孔321环绕在导杆34与插杆37周围,导杆34的外侧面顶端处形成有一环缘341,该环缘341插设位于导杆34 与导管12之间形成的通道36的顶端内部,使通道36与穿孔321不连通,该插杆37位于上压缩管33的内部,插杆37的顶端形成有一扩大部371,该扩大部371的外侧面紧抵于连接座40的环形块42的内壁面底端处,使上压缩管33内部与连接座40内部不连通,该上、下压缩管33、 31的管壁呈波浪状,或者,请参阅图26所示,该上、下压缩管330、310的管壁呈球状。 [0051] At the center of the bottom surface 32 of the elastic valve cylinder 30 is formed with a downwardly extending projection of the guide rod 34, at the center of the cylinder top surface 32 is formed with an upwardly protruding plunger 37, the spacer 32 is provided on the column through a plurality of perforations 321, 321 such perforations around the periphery of the rod guide 34 and the plunger 37, the outer side surface of the top end 34 of the guide rod 12 is formed between a rim 341, the rim 341 located on the guide bar 34 is inserted with a catheter tip formed inside channel 36, so that the channel 36 does not communicate with the perforations 321, the plunger inner tube 33 is 37 located on the compression, the plunger tip 37 is formed with a enlarged portion 371, the tight side of the enlarged portion 371 against the at the bottom end of the inner wall surface 40 of the annular connector holder block 42, the compression on the interior of the inner tube 33 connecting seat 40 is not connected, the upper and lower wall of the compression tube 33, 31 is wavy, or, see FIG. 26 As shown in the upper, the lower wall of the tube compression spherical 330,310.

[0052] 该连接座40的环形块42的底面内凹设有一第二环槽421,该第二环槽421提供弹性阀30的上压缩管33的管壁顶端处容置,环形块42的外壁面内凹设有一环形扣槽422及多个轴向卡槽423,该扣槽422对应扣合于套筒10的外管11的扣块112,以防止连接座40与套筒10 相互脱离,该卡槽423对应卡合于套筒10的外管11的卡块113,以防止连接座40与套筒10相互旋转。 [0052] The concave bottom surface of the connecting block 42 an annular seat 40 is provided with a second annular groove 421, the second ring groove 421 provided on the elastic compression of the valve 30 to the top wall 33 of the tube accommodating the annular block 42 an outer wall surface of the concave 422 provided with an annular groove and a plurality of axial slots 423 buckle, the buckle fastening groove corresponding to an outer tube piece 10 of the engaging sleeve 11 to 112 422, to prevent the connector housing 40 and the sleeve 10 are disengaged from each the slot 423 corresponds to the engaging piece 113 engages the outer tube 11 of the sleeve 10, to prevent the connector housing 40 and the sleeve 10 is rotated to each other.

[0053] 在本发明第一实施例中,包括有套筒10、移动件20、弹性阀30及连接座40等四个构件,其中弹性阀30的下压缩管31、柱体32、上压缩管33、导杆34及插杆37—体成型制成。 [0053] In a first embodiment of the present invention, comprises a sleeve 10, moving member 20, the elastic valve 30 and the four connecting base member 40, wherein the elastic compression of the valve 30 the tube 31, cylinder 32, the compression tube 33, the guide rod 34 and the plunger 37- shaping made.

[0054] 请参阅图6所示,本发明第一实施例的免针输液接头于使用时,是先将连接座40的外螺纹411旋转结合于注射器50,请参阅图7所示,再视不同情况将适当的加药器60、60A、 60B旋转结合于套筒10的内螺纹111,以下叙述以加药器60为其中一实施例说明,请参阅图5 及图8所示,套筒10与加药器60结合时,加药器60会推抵移动件20的限位板22相对于套筒10 移动,使移动件20相对于套筒10向上移动,进而使弹性阀30的上、下压缩管33、31压缩变形, 此时,弹性阀30的导杆34的底端远离套筒10的导管12的挡缘121,使导管12的底端管口呈开放状态,且导杆34顶端的环缘341远离导杆34与导管12之间形成的通道36的顶端,使通道36 与柱体32的穿孔321连通,插杆37的扩大部371脱离紧抵连接座40的环形块42的内壁面,使上压缩管33内部与连接座40内部连通,又套筒10与加药器60持续相对以螺纹 [0054] Please refer to FIG. 6, when the infusion needle-free connector of the first embodiment of the present invention is the use of embodiment, a first externally threaded connector 411 to the syringe 40 in conjunction with rotation of 50, see FIG. 7, then, as different circumstances appropriate doser 60,60A, 60B in the rotational coupling 111 internally threaded sleeve 10, to the following description in which the doser 60 illustrate an embodiment, see FIGS. 5 and 8, the sleeve 10 and 60 in combination dosing, a dosing device 60 push against the stopper plate 20 of the moving element 22 to move relative to the sleeve 10, the movable member 20 relative to the sleeve 10 moves upwardly, thereby enabling the elastic valve 30 , the compressed compression tube 33, 31, at this time, the elastic valve guide bar 30 away from the bottom end 34 of the stopper edge 121 of the sleeve 10 of the catheter 12, the catheter 12 by opening the bottom end of the tube open, and the guide rod 34 the top rim 341 away from the channels formed between the guide rod 12 and the conduit 34 to the top 36 of the passage 36 321 communicates with the perforated cylinder 32, the plunger 371 from the enlarged portion 37 of the loop block tightly against the seat 40 of the connector the inner wall surface 42 of the tube 33 compressed inside the interior of the connector housing 40 in communication, and the sleeve 10 and the dosing device 60 for a relatively threadedly 旋转结合时, 套筒10的导管12插入加药器60内部并推抵加药器60的弹性阀61,使导管12的底端管口与加药器60内部连通,借此,免针输液接头的内部与加药器60的内部形成有一输液流道,请参阅图9所示,注射器50内部的药液70依序流经免针输液接头、加药器60及与加药器60连接的输液管80进而注入患者体内。 When the rotational coupling, the inner catheter 60 is inserted into the doser 12 and the sleeve 10 pushes against the resilient valve 61 of the doser 60 so that the bottom end of the nozzle and the dosing conduit 12 communicates the interior 60, whereby the needle-free infusion the interior of the inner joint doser 60 is formed with a flow passage of infusion, see Figure 9, the liquid 70 inside the syringe 50 sequentially flows through the infusion needle-free connector, dosing 60 and 60 is connected to the doser Further the infusion tube 80 into the patient.

[0055] 请参阅图4及图10所示,当注射完毕而将免针输液接头与加药器60分离时,弹性阀30的上、下压缩管33、31提供有恢复弹力而可自行伸长复位,上压缩管33顶端受到连接座40 的抵顶限制,而产生以下三层密闭效果:一、弹性阀30的导杆34的底端回复紧抵于套筒10的导管12的挡缘121并将导管12的底端管口封闭;二、导杆34顶端的环缘341回复插设于导杆34与导管12之间形成的通道36的顶端内部;三、插杆37的扩大部371回复紧抵于连接座40的环形块42的内壁面。 [0055] Please refer to FIG. 4 and FIG. 10, when the end of the injection needle and the infusion Free linker separating doser 60, the elastomeric valve 30, tube 33, 31 is provided with a compression recovery force of the self-extending long reset to the top of the compression tube 33 by connector holder 40 abuts against the limit, the effect of generating a closed three layers: a resilient valve guide rod tightly against the bottom end 34 of the catheter respond to a stop 10 the edge 30 of the sleeve 12 121 and the bottom end of the nozzle conduit 12 closed;, 34 to the top rim of the guide rod 341 inserted in the return passage 12 is formed between the tip 34 and the inner conduit 36 ​​of the guide bar; three enlarged portion, the plunger 37 is reply 371 tightly against the inner wall surface of the annular connecting block 42 of the seat 40. 由于免针输液接头与加药器60分离时,弹性阀30的内部会产生负压吸力,使残留于免针输液接头外部的药液流向内部,且弹性阀30会产生三层密闭效果,进而有效达到防止药液外漏的功效。 Due to needle-free connector and infusion doser 60 separated inside the elastic valve 30 produces a negative pressure suction, and the residue inside the needle-free connector's external infusion liquid flow, and the elastic valve 30 is closed will have three effects, and further effective reach to prevent liquid leakage effect.

[0056] 请参阅图11至图14所示,为本发明第二实施例。 [0056] Please refer to FIG. 11 to FIG. 14, a second embodiment of the present invention.

[0057] 该弹性阀30A的柱体32A的中央处贯穿设有一穿孔321A,该导杆34A的顶端与该穿孔321A的内壁面底端处连接,穿孔321A的内壁面间隔内凹设有多个轴向凹槽322A,该等凹槽322A的底端呈开放状并连通于下压缩管31A内部,导杆34A与导管12A之间形成的通道36A 与凹槽322A连通,该上、下压缩管33A、3IA的管壁呈波浪状,或者,请参阅图27所示,该上、下压缩管330A、310A的管壁呈球状。 [0057] at the center of the cartridge 32A through elastic valve 30A is provided with a through hole 321A, the top of the guide rod 34A is connected to the bottom end of the inner wall of the perforations 321A and 321A of the perforated inner wall surface of a plurality of spaced concave axial grooves 322A, 322A of the bottom of such groove-like shape and is open at the compression tube passage communicating with the groove 36A is formed between the inner 31A, 34A and guide rods 322A communicates the conduit 12A, the upper and lower compression tube 33A, 3IA wavy wall, or, see FIG. 27, the upper, tube wall 330A, 310A of the compressed spherical.

[0058] 该连接座40A的环形块42A的底面内凹设有一第二环槽421A,该第二环槽421A提供弹性阀30A的上压缩管33A的管壁顶端处容置,环形块42A的内部向下突伸有一插杆43A,该插杆43A的外壁面间隔内凹设有多个轴向沟槽431A,该等沟槽431A呈环状排列,沟槽431A的顶端呈开放状并连通于连接管41A内部,该插杆43A位于弹性阀30A的上压缩管33A的内部, 插杆43A的外壁面底端处紧抵于弹性阀30A的柱体32A的穿孔321A的内壁面顶端处,使上压缩管33A内部与柱体32A的穿孔321A不连通。 [0058] The connection base annular concave bottom surface 42A of the block 40A is provided with a second annular groove 421A, 421A of the second annular groove provided on the elastic compression of the valve 30A to the top wall 33A of the accommodating tube, the annular block 42A has a downwardly projecting inner plunger 43A, 43A of the outer wall surface of the plunger is provided with a plurality of axially spaced concave grooves 431A, 431A annularly arranged in the trenches, the top of the trench-shaped opening 431A of the form and the communication 41A is connected to the inner tube, the plunger 43A is located on the elastic compression of the valve 30A of the inner tube 33A, 43A of the outer wall surface of the plunger bear against the bottom end of the top end 321A of the perforated inner wall surface of the elastic valve 30A of the cylinder 32A, the interior of the compression cylinder tube 33A perforations 321A 32A does not communicate.

[0059] 在本发明第二实施例中,包括有套筒10A、移动件20A、弹性阀30A及连接座40A等四个构件,其中弹性阀30A的下压缩管31A、柱体32A、上压缩管33A及导杆34A—体成型制成,连接座40A的连接管41A、环形块42A及插杆43A—体成型制成。 [0059] In the second embodiment of the present invention, comprising a sleeve 1OA, 2OA moving member,, wherein the elastomeric valve seats 30A and 40A are connected four elastic valve member 30A of the compression tube. 31A, cylinder 32A, a compression 34A- tube 33A and the guide rod shaping is made, the connection pipe 40A is connected to the seat 41A, 42A and the annular block body molded into the plunger 43A-.

[0060] 请参阅图7所示,本发明第二实施例的免针输液接头于使用时,依序结合注射器50 与适当的加药器60、6(^、6(«,以下叙述以加药器60为其中一实施例,请参阅图14及图15所示,套筒IOA与加药器60结合时,加药器60会推抵移动件20A相对于套筒IOA移动,使弹性阀30A的上、下压缩管33A、31A压缩,此时,弹性阀30A的导杆34A的底端远离套筒IOA的导管12A 的挡缘121A,使导管12A的底端管口呈开放状态并与加药器60内部连通,且连接座40A的插杆43A的外壁面底端处脱离紧抵弹性阀30A的柱体32A的穿孔321A的内壁面,使上压缩管33A 内部通过插杆43A的沟槽431A而与柱体32A的穿孔321A连通,借此,免针输液接头的内部与加药器60的内部形成有一提供药液流通的输液流道,请参阅图16所示,注射器50内部的药液70依序流经免针输液接头、加药器60及与加药器60连接的输液管80进而注入患者 [0060] Please refer to FIG. 7, when the needle-free connector infusion second embodiment of the present invention using sequentially 50 in combination with a suitable syringe doser 60,6 (^ 6 ( «, described below in order to increase 60 in which a drug embodiment, see FIGS. 14 and 15, when the sleeve 60 is coupled with the IOA dosing, a dosing device 60 push against movement relative to the sleeve member 20A IOA movement, the resilient valve 30A is on, the compressed tube 33A, 31A compression, this time, the elastic valve guide bar 30A base end 12A of the stopper 34A of the catheter away from the edge 121A of the sleeve IOA, 12A of the bottom end of the catheter tube and the mouth was open state internal communication doser 60 and is connected to the outer wall surface of the bottom end of the seat 40A of the plunger 43A of the valve 30A from the elastic tightly against the inner wall surface of the cartridge 321A of the perforations 32A, 33A on the inner tube compressed by the plunger groove 43A grooves 431A and 321A in communication with the perforations 32A of the cylinder, whereby the inner infusion needle-free connector 60 with the interior of the doser is formed to provide a flow of infusion liquid flow path, see FIG. 16, 50 inside the syringe 70 sequentially flows through the drug solution infusion needle-free connector, the infusion tube 60 and dosing device 60 is connected to the dosing is injected into a patient 80 in turn 体内。 in vivo.

[0061] 请参阅图13及图17所示,当注射完毕而将免针输液接头与加药器60分离时,弹性阀30A的上、下压缩管33A、31A提供有恢复弹力,上压缩管33A顶端受到连接座40A的抵顶限制,而产生以下三层密闭效果:一、弹性阀30A的导杆34A的底端回复封闭套筒IOA的导管12A 的底端管口;二、弹性阀30A的下压缩管31A的内壁面回复紧抵于导管12A的外壁面;三、连接座40A的插杆43A的底端回复紧抵于弹性阀30A的柱体32A的穿孔321A的内壁面。 [0061] Please refer to FIG. 13 and shown, when the end of the injection needle and the infusion linker separating Free doser 60, the elastic valve 30A, and FIG. 17 compressed 33A, 31A is provided with elastic recovery, compression tube 33A by abutting the top connector holder 40A is restricted, to generate three layers sealed effects: a resilient valve 30A base end 34A of the guide rod return conduit IOA sleeve closed bottom end of the spout 12A; two, elastic valve 30A the inner wall surface of the pipe 31A under compression recovery tightly against the outer wall surface of the conduit 12A; (3) connected to the inner wall surface 40A of the seat bottom end of the plunger 43A perforated tightly against the restoring elastic valve 30A 32A 321A of the cylinder. 且配合免针输液接头内部产生的负压吸力,进而有效达到防止药液外漏的功效。 And with the suction negative pressure inside the infusion needle-free connector generated, thereby effectively preventing liquid leakage to achieve efficacy.

[0062] 请参阅图18至图21所示,为本发明第三实施例。 [0062] Please refer to FIG. 18 to FIG. 21, a third embodiment of the present invention.

[0063] 该弹性阀30B的柱体32B的底面中央处向下突伸形成有该导杆34B,柱体32B上间隔贯穿设有多个穿孔321B,该等穿孔321B环绕在导杆34B周围,导杆34B的外侧面顶端处形成有一环缘341B,该环缘341B插设位于导杆34B与导管12B之间形成的通道36B的顶端内部,使通道36B与穿孔321B不连通,又柱体32B的顶面中央处向上突伸设有一插杆37B,该插杆37B 位于上压缩管33B的内部,插杆37B的顶端形成有一扩大部371B,该上、下压缩管33B、31B的管壁呈波浪状,或者,请参阅图28所示,该上、下压缩管330B、310B的管壁呈球状。 [0063] The elastic valve cartridge 32B at the center of the bottom 30B of the downwardly extending projection is formed the guide bar 34B, 32B on the column spacer has a plurality of through-perforations 321B, 321B such perforations surround the rod guide 34B, an outer side surface of the top end of the guide rod 34B is formed with a rim 341B, 341B of the rim is inserted in the passageway formed between the internal conduit 12B and 34B to the top of the guide rod 36B, 36B so that the channel is not in communication with the perforations 321B, and the cylinder 32B at the center of a top surface projecting upward it is provided with a plunger 37B, the plunger 37B is located in the inner tube 33B of the compression, formed tip 37B of the plunger has an enlarged portion 371B, the upper and lower compression as a wall tubes 33B, 31B of wavy, or, see FIG. 28, the upper and lower compression tube wall 330B, 310B of spherical.

[0064] 该连接座40B的环形块42B的底面内凹设有一第二环槽421B,该第二环槽421B提供弹性阀30B的上压缩管33B的管壁顶端处容置,环形块42B的内壁面底端处突伸有一凸缘424B,插杆37B的扩大部371B的外侧面紧抵于该凸缘424B,使上压缩管33B内部与连接座40B 内部不连通。 [0064] The connection base block 40B annular concave bottom surface 42B is provided with a second annular groove 421B, a second annular groove 421B of the valve 30B provides an elastic compression of the top wall of the tube accommodating 33B, 42B of the annular block the inner wall surface at the bottom end with a protruding flange 424B, an outer side surface 37B of the enlarged portion 371B of the plunger is closely pressed against the flange 424B, compressing the upper interior of tube 33B is not connected to the internal communication base 40B.

[0065] 在本发明第三实施例中,包括有套筒10B、移动件20B、弹性阀30B、插杆37B及连接座40B等五个构件,其中弹性阀30B的下压缩管31B、柱体32B、上压缩管33B及导杆34B—体成型制成。 [0065] In a third embodiment of the present invention, comprising a sleeve 10B, 20B of the movable member, the elastic valve 30B, the plunger 37B and 40B connected to five base member, wherein the compression elastic valve tube 31B and 30B, cartridge 32B, 33B and the guide tube compression shaping rods 34B- made.

[0066] 请参阅图7所示,本发明第三实施例的免针输液接头于使用时,是依序结合注射器50及适当的加药器60、6(^、608,以下叙述以加药器60为其中一实施例,请配合参阅图21所示,套筒IOB与加药器60结合时,加药器60会推抵移动件20B相对于套筒IOB移动,使弹性阀30B的上、下压缩管33B、31B压缩,此时,弹性阀30B的导杆34B的底端远离套筒IOB的导管12B 的挡缘121B,使导管12B的底端管口呈开放状态并与加药器60内部连通,且导杆34B顶端的环缘341B远离导杆34B与导管12B之间形成的通道36B的顶端,使通道36B与柱体32B的穿孔321B连通,又插杆37B的扩大部371B脱离紧抵连接座40B的环形块42B的凸缘424B,使上压缩管33B内部与连接座40B内部连通,借此,免针输液接头的内部与加药器60的内部形成有一提供药液流通的输液流道。 [0066] Please refer to FIG. 7, a third embodiment of an infusion needle-free embodiment of the present invention, when the joint is in use, the injector 50 is sequentially and appropriately combined doser 60,6 (^, 608, to be described hereinafter dosing 60 is an embodiment in which, as shown in FIG please refer to cooperate, when the sleeve 60 is coupled to the IOB dosing, a dosing device 60 will push the moving member 21 against movement relative to the IOB sleeve 20B, 30B so that the elastic valve , compression tube 33B, 31B compression, this time, the elastic valve guide bars 30B and 34B of the bottom end of the sleeve remote from the stop edge 121B IOB conduit 12B, so that the bottom end of the nozzle pipe 12B form an open state and the doser 60 internal communication, and the guide bar 34B away from the top of the top rim 341B path 36B formed between the guide rod conduit 12B and 34B, so that the perforation channels 36B and 32B cartridge 321B communicating, from the enlarged portion 371B 37B and the plunger 424B abuts tightly connected to an annular base flange blocks 42B and 40B, 40B of the compressed inner tube 33B communicates the interior of the connector housing, whereby the inner infusion needle-free connector inside the doser 60 is formed to provide a liquid circulation infusion flow channel.

[0067] 请参阅图20所示,当注射完毕而将免针输液接头与加药器60分离时,弹性阀30B的上、下压缩管33B、31B提供有恢复弹力,上压缩管33B顶端受到连接座40B的抵顶限制,而产生以下三层密闭效果:一、弹性阀30B的导杆34B的底端回复封闭套筒IOB的导管12B的底端管口;二、导杆34B顶端的环缘341B回复插设于导杆34B与导管12B之间形成的通道36B的顶端内部;三、插杆37B的扩大部371B回复紧抵于连接座40B的环形块42B的凸缘424B。 [0067] Please refer to FIG. 20, when the end of the injection needle and the infusion Free linker separating doser 60, the elastic valve 30B, the compression tube 33B, 31B is provided with a force of recovery, the top tube being compressed 33B 40B abuts against the connector housing to limit, the effect of generating a closed three layers: a bottom conductive elastic valve rod 30B of the sleeve 34B reply IOB closed bottom end of the conduit of the nozzle 12B; 34B the top two guide rod ring reply edge 341B interposed between the channel 34B and the conduit 12B is formed in the inside 36B of the guide at the top; three, enlarged portion 37B of the plunger 371B reply tightly against the connecting piece annular flange 40B, 42B of the seat 424B. 且配合免针输液接头内部产生的负压吸力,进而有效达到防止药液外漏的功效。 And with the suction negative pressure inside the infusion needle-free connector generated, thereby effectively preventing liquid leakage to achieve efficacy.

[0068] 请参阅图22至图23所示,为本发明第四实施例。 [0068] Please refer to FIG. 22 to FIG. 23, a fourth embodiment of the present invention.

[0069] 该弹性阀30C的下压缩管31C位于移动件20C及柱体32C之间,上压缩管33C位于柱体32C及连接座40C之间,下压缩管3IC的顶端形成有一顶板31IC,该顶板31IC的中央处贯穿设有一通孔312C,上压缩管33C的顶端形成有一顶板331C,该顶板331C的中央处贯穿设有一通孔332C,柱体32C的底面中央处向下突伸形成有该导杆34C,柱体32C的顶面中央处向上突伸形成有一插杆37C,柱体32C上间隔贯穿设有多个穿孔321C,该等穿孔321C环绕在导杆34C 与插杆37C周围,套筒IOC的导管12C的顶端压抵下压缩管31C的顶板311C的底面,使顶板311C顶抵于柱体32C并封闭穿孔321C的底端,进而使导杆34C与导管12C之间形成的通道36C 与穿孔321C不连通,该插杆37C位于上压缩管33C的内部,插杆37C的顶端形成有一扩大部371C,该扩大部371C的外侧面紧抵于上压缩管33C的顶板331C的通孔332C的孔壁面,使上压缩管33C内部与连 [0069] In this compression of the elastic valve tube 30C 31C 20C positioned between the moving member and the cylinder 32C, a compression tube located between 33C and 40C connected to the seat pillar 32C, the top of the compression tube 3IC formed with a top plate 31IC, the at the center of the top plate is provided with a through-31IC through hole 312C, 331C is formed with a top plate 33C on the top of the compression tube, the center of the top plate 331C is provided with a through hole through 332C, the bottom surface of the center pillar 32C is formed with the downwardly projecting guide rods 34C, 32C at the center of the top surface of the cylinder is formed with an upwardly protruding plunger 37C, 32C provided on the column interval through a plurality of perforations 321C, 321C such perforations looped around the guide rod 34C and the plunger 37C, sets the bottom surface of the top plate tube 311C 31C IOC compression cylinder catheter tip 12C is pressed against the top against the cylinder top plate 311C 32C 321C and a closed bottom end of the perforations, and thus the guide rod 34C is formed between the catheter and the passageway 36C 12C not in communication with the perforations 321C, the plunger through hole of the top plate 331C pipe 33C of 37C located inner tube 33C of the compression plunger tip 37C is formed with a enlarged portion 371C, the tight side of the enlarged portion 371C abuts on the compression 332C pore wall surfaces, so that the inner tube 33C is connected with the compression 接座40C内部不连通,该上、下压缩管33C、31C的管壁呈波浪状,或者,请参阅图29所示,该上、下压缩管330C、310C的管壁呈球状。 40C does not communicate the inside joint seat, the upper and lower compression tube 33C, 31C wavy wall, or, see FIG. 29, the upper and lower compression tube 330C, 310C spherical wall.

[0070] 在本发明第四实施例中,包括有套筒10C、移动件20C、上压缩管31C、柱体32C、下压缩管33C及连接座40C等六个构件,其中导杆34C及插杆37C—体成型于柱体32C上。 [0070] In a fourth embodiment of the present invention, comprising a sleeve 1OC, the movable member 20C, 31C of the compression tube, cylinder 32C, 33C and the tube connecting base 40C six compression member, and wherein the guide rod 34C inserted 37C- rod formed on the cylinder body 32C.

[0071] 请参阅图7所示,本发明第四实施例的免针输液接头于使用时,是依序结合注射器50与适当的加药器60、6(^、608,以下叙述以加药器60为其中一实施例,请配合参阅图25所示,套筒IOC与加药器60结合时,加药器60会推抵移动件20C相对于套筒IOC移动,使弹性阀30C的上、下压缩管33C、31C压缩,此时,弹性阀30C的导杆34C的底端远离套筒IOC的导管12C 的挡缘121C,使导管12C的底端管口呈开放状态并与加药器60内部连通,且套筒10的导管12 的顶端脱离压抵下压缩管31C的顶板311C,使导杆34C与导管12C之间形成的通道36C透过下压缩管31C的顶板311C的通孔312C而与柱体32C的穿孔321C连通,又插杆37C的扩大部371C 脱离紧抵上压缩管33C的顶板331C的通孔332C的孔壁面,使上压缩管33C内部与连接座40C 内部连通,借此,免针输液接头的内部与加药器60的内部形成有一提供药液流通的输液流 [0071] Please refer to FIG. 7, a fourth embodiment of an infusion needle-free embodiment of the present invention is used in the joint, the injector 50 is sequentially combined with a suitable doser 60,6 (^, 608, to be described hereinafter dosing 60 is one embodiment, please referring to FIG. 25, when the sleeve 60 in conjunction with the IOC dosing, a dosing device 60 moves push member against movement relative to the IOC 20C of the sleeve, so that the elastic valve 30C , compression tube 33C, 31C compression, this time, the bottom end of the elastic valve guide rod 30C 34C 121C sleeve edge away from the stopper 12C IOC catheter, so that the bottom end of the nozzle conduit in the form of an open state and 12C with doser 60 internal communication, and the catheter tip 12 of the sleeve 10 from the compression tube 31C 311C under pressure against the top plate, the guide rod 34C is formed between the passage and the conduit 12C 36C 312C under compression tube through the through hole 31C of the top plate of 311C 321C and 32C in communication with the perforations of the cylinder, the plunger 37C and 371C from the enlarged portion tightly against the hole wall surface of the top plate of the compression tube 33C 331C 332C of the through hole, the compression of the inner tube 40C 33C communicates the interior of the connector holder, by here, the inner infusion needle-free connector is formed inside the doser 60 is provided with a liquid stream flowing through the infusion 道。 Road.

[0072] 请参阅图24所示,当注射完毕而将免针输液接头与加药器60分离时,弹性阀30C的上、下压缩管33C、31C提供有恢复弹力,上压缩管33C顶端受到连接座40C的抵顶限制,而产生以下三层密闭效果:一、弹性阀30C的导杆34C的底端回复封闭套筒IOC的导管12C的底端管口;二、导管12C的顶端回复压抵下压缩管31C的顶板311C;三、插杆37C的扩大部371C回复紧抵于上压缩管33C的顶板331C的通孔332C的孔壁面。 [0072] Please refer to FIG. 24, when the end of the injection and the infusion needle-free connector 60 and separated doser, the elastic valve 30C, the compression tube 33C, 31C is provided with a force of recovery, the top tube being compressed 33C 40C abuts against the connector housing to limit, the effect of generating a closed three layers: a bottom end of the elastic valve guide rod 30C 34C reply spout closed bottom end of the sleeve catheter IOC 12C; Second, the catheter tip pressure restoring 12C 31C tube compression against the top plate 311C; Third, the plunger 37C enlarged portion 371C return tube tightly against the hole wall face 33C of the top plate through hole 332C to 331C compression. 且配合免针输液接头内部产生的负压吸力,进而有效达到防止药液外漏的功效。 And with the suction negative pressure inside the infusion needle-free connector generated, thereby effectively preventing liquid leakage to achieve efficacy.

[0073] 以上所述仅为本发明示意性的具体实施方式,并非用以限定本发明的范围。 [0073] The above are only exemplary embodiments of the present invention are described, not intended to limit the scope of the present invention. 任何本领域的技术人员,在不脱离本发明的构思和原则的前提下所作的等同变化与修改,均应属于本发明保护的范围。 Anyone skilled in the art, modifications and equivalent changes made without departing from the spirit and principle of the present invention is the premise shall fall within the scope of the present invention.

Claims (11)

1. 一种防止药液外漏的免针输液接头,其特征在于,该防止药液外漏的免针输液接头包括有一套筒、一移动件、一弹性阀以及一连接座,其中: 该套筒具有一外管,该外管的内部形成有一导管,该导管的内壁面底端处突伸有一挡缘; 该移动件为一中空体,其能移动地设置于该套筒的内部并套设于该导管的外侧; 该弹性阀依序设有一下压缩管、一柱体及一上压缩管,该柱体上贯穿设有至少一穿孔, 该下压缩管内部与该上压缩管内部通过该穿孔而相互连通,该下压缩管的内部设有一导杆,该弹性阀能压缩地设置于该套筒的内部,且该下压缩管紧密套设于该套筒的导管的外侦L该导杆位于该套筒的导管中,该导杆与该导管之间形成有一通道,该通道与该上压缩管内部不连通,该导杆的外壁面底端处紧抵于该导管的挡缘,使该导管的底端管口封闭; 该连 1. A method of preventing leakage of the drug solution infusion needle-free connector, characterized in that, to prevent liquid leakage of the infusion needle-free connector comprising a sleeve, a moving member, a resilient valve seat and a connector, wherein: the a sleeve having an outer tube, the interior of the outer tube is formed with a conduit, the inner wall surface at the bottom end of the catheter has a projecting stop rims; that the mobile member is a hollow body which is movably disposed on the inner sleeve and sleeve disposed on the outside of the catheter; sequentially the elastic valve provided at the compression tube, a cylinder and a compression tube, the cylinder is provided with at least one perforation through the upper, the lower interior of the compression of the compression tube inner tube the perforations communicate with each other through the interior of the compression tube is provided with a guide bar, the elastic valve can be provided inside the compression sleeve and the compression of the catheter tube tightly sleeved on the outer sleeve investigation L the guide bar is located in the conduit sleeve, the guide bar is formed with a passage between the conduit and the passage of the inner tube does not communicate with the compression, the outer wall surface of the bottom end of the guide rod of the catheter tightly against the stop edge of the bottom end of the nozzle conduit is closed; the linking 座为一中空体,其设置于该套筒的顶端,使该弹性阀顶抵位于该连接座与该移动件之间,又该弹性阀的上压缩管的内部设有一插杆,使该弹性阀的柱体的穿孔与该连接座内部不连通。 A seat for the hollow body, which is provided at the top of the sleeve, so that the elastic valve positioned between the top contact is connected to the mobile base member, the interior of the valve should the elastic compression of the tube is provided with a plunger, the resilient perforated cylinder valve does not communicate with the interior of the connector holder.
2. 如权利要求1所述的防止药液外漏的免针输液接头,其特征在于: 该套筒的外管与该导管之间形成有一环形板,该环形板上贯穿设有多个限位孔; 该移动件具有一环体,该环体的底面向下突伸有多个限位板,该限位板对应贯穿插设于该套筒的环形板的限位孔中。 2. prevent liquid leakage of the infusion needle-free connector according to claim 1, wherein: an outer tube of the sleeve has an annular plate is formed between the conduit and the annular plate is provided with a plurality of through-limit positioning hole; the movable member having a ring, the bottom surface of the ring member with a plurality of downwardly projecting stopper plate, the limiting plate corresponds limiting hole provided in the annular plate inserted through the sleeve's.
3. 如权利要求2所述的防止药液外漏的免针输液接头,其特征在于,该连接座顶端形成有一连接管,底端形成有一环形块,该环形块插设位于该套筒的外管的顶端内部。 3 to prevent leakage of the drug solution infusion needle-free connector according to claim 2, characterized in that the connecting base is formed with a connecting pipe to the top, bottom end formed with a loop block, the block is interposed located annular sleeve the top inside of the outer tube.
4. 如权利要求3所述的防止药液外漏的免针输液接头,其特征在于: 该弹性阀的柱体上贯穿设有一所述穿孔,该导杆的顶端与该穿孔的内壁面底端处连接,该穿孔的内壁面内凹设有多个凹槽,该多个凹槽的底端呈开放状并连通于下该压缩管内部,该导杆与该导管之间形成的该通道与该凹槽连通; 该连接座的环形块的内部向下突伸有该插杆,该插杆的外壁面内凹设有多个沟槽,该多个沟槽的顶端呈开放状并连通于该连接管内部,该插杆的外壁面底端处紧抵于该弹性阀的柱体的穿孔的内壁面,使该上压缩管内部与该柱体的穿孔不连通。 The top surface of the bottom guide rod and the inner wall of the through perforations on the column is provided with a through hole of the said elastic valve of: preventing liquid leakage as claimed infusion needle-free connector according to claim 3, characterized in that end of the connector, the inner wall surface provided with a plurality of concave grooves of the perforations, as a bottom end of the plurality of grooves shaped and open communication with the compression at the inner tube, the guide bar is formed between the channel and the conduit communication with the groove; inner annular block of the connector holder has a downwardly extending projection of the plunger, an outer plunger wall surface of the concave is provided with a plurality of grooves, a plurality of trenches to the top of the shape and form of open communication connected to the inner tube, the outer wall surface of the bottom end of the plunger is closely pressed against the inner wall surface of a perforated cylinder of the elastic valve, so that the inner tube does not communicate with the compression of the perforated cylinder.
5. 如权利要求4所述的防止药液外漏的免针输液接头,其特征在于,包括有该套筒、该移动件、该弹性阀及该连接座等四个构件,其中该弹性阀的下压缩管、柱体、上压缩管及导杆一体成型制成,该连接座的连接管、环形块及插杆一体成型制成。 5. prevent liquid leakage of the infusion needle-free connector as claimed in claim 4, characterized in that, the sleeve comprising four member, the movable member, the elastic valve seat and the like are connected, wherein the elastic valve the compression tube, cylinder, compressing the tube and the guide rod are integrally formed, the connecting pipe connector holder, the plunger and the annular block are integrally formed.
6. 如权利要求3所述的防止药液外漏的免针输液接头,其特征在于,该弹性阀的柱体的底面向下突伸设有该导杆,该柱体的顶面向上突伸设有该插杆,该柱体上贯穿设有多个所述穿孔,该多个所述穿孔环绕在该导杆与该插杆周围,该导杆的外侧面顶端处形成有一环缘,该环缘插设位于该导杆与导管之间形成的该通道的顶端内部,使该通道与该穿孔不连通,该插杆的顶端形成有一扩大部,该扩大部的外侧面紧抵于该连接座的环形块的内壁面, 使该上压缩管内部与该连接座内部不连通。 6. prevent liquid leakage of the infusion needle-free connector as claimed in claim 3, wherein a bottom surface of the elastic valve cylinder projecting downwardly with the guide rod, the top surface of the projecting cylinder the plunger extension is provided, through which the cartridge is provided with a plurality of perforations, the plurality of the perforations surrounds the guide rod and the plunger around an outer side surface of the top end of the guide rod is formed with a rim, the rim is inserted at the top of the inside of the channel formed between the rod and the catheter to the guide, so that the channel and the perforations are not in communication, the insertion rod tip is formed with an enlarged portion, the tight side of the enlarged portion abuts against the connecting the inner wall surface of the annular seat block so that the compression tube does not communicate with the inside of the inner connector housing.
7. 如权利要求6所述的防止药液外漏的免针输液接头,其特征在于,包括有该套筒、该移动件、该弹性阀及该连接座等四个构件,其中该弹性阀的下压缩管、柱体、上压缩管、导杆及插杆一体成型制成。 7 to prevent liquid leakage of the infusion needle-free connector according to claim 6, characterized in that the sleeve comprises four members, the moving member, the elastic valve seat and the like are connected, wherein the elastic valve the compression tube, cylinder, compressing the tube, the guide rod and the plunger are integrally formed.
8. 如权利要求3所述的防止药液外漏的免针输液接头,其特征在于: 该弹性阀的柱体的底面向下突伸设有该导杆,柱体的顶面向上突伸设有该插杆,该柱体上贯穿设有多个所述穿孔,该多个所述穿孔环绕在该导杆与该插杆周围,该导杆的外侧面顶端处形成有一环缘,该环缘插设位于该导杆与导管之间形成的该通道的顶端内部,使该通道与该穿孔不连通,该插杆的顶端形成有一扩大部; 该连接座的环形块的内壁面突伸有一凸缘,该插杆的扩大部的外侧面紧抵于该凸缘, 使该上压缩管内部与该连接座内部不连通。 8. A liquid leakage preventing infusion needle-free connector of claim 3, wherein: the bottom surface of the elastic valve cylinder projecting downwardly of the guide rod is provided, the top surface of the protruding cylinder the plunger is provided, through which the cylinder is provided with a plurality of said perforations, the perforations surrounds the plurality of said guide rod is inserted around the rod, the outer side surface of the top end of the guide rod is formed with a rim, the the rim is inserted at the top of the inside of the channel formed between the rod and the catheter to the guide, so that the channel with the perforation is not communicating, to the top of the plunger is formed with an enlarged portion; inner wall surface of an annular block having the connector holder projecting has a flange, an outer side surface of the enlarged portion of the plunger is closely pressed against the flange, so that the inner tube does not communicate with the compression of the inner connector housing.
9. 如权利要求8所述的防止药液外漏的免针输液接头,其特征在于,包括有该套筒、该移动件、该弹性阀、该插杆及该连接座等五个构件,其中该弹性阀的下压缩管、柱体、上压缩管及导杆一体成型制成。 Preventing liquid leakage of the infusion needle-free connector as claimed in claim 8, characterized in that the sleeve comprises five member, the movable member, the elastic valve, the plunger and the connecting base and the like, wherein the elastic valve tube is compressed, the cylinder on the compression tube and the guide rod are integrally formed.
10. 如权利要求3所述的防止药液外漏的免针输液接头,其特征在于,该弹性阀的上、下压缩管的顶端分别形成有一顶板,该顶板贯穿设有一通孔,该柱体的底面向下突伸形成有该导杆,该柱体的顶面向上突伸形成有该插杆,该柱体上贯穿设有多个所述穿孔,该多个所述穿孔环绕在该导杆与插杆周围,该套筒的导管的顶端压抵该下压缩管的顶板,使该下压缩管的顶板顶抵于该柱体并封闭所述穿孔,进而使该导杆与该导管之间形成的该通道与所述穿孔不连通,该插杆的顶端形成有一扩大部,该扩大部的外侧面紧抵于该上压缩管的顶板的通孔的孔壁面,使该上压缩管内部与该连接座内部不连通。 Preventing liquid leakage of the infusion needle-free connector of claim 3 of the column as claimed in claim 10, characterized in that the tip of the tube on the elastic valve, a compression formed with a top plate provided with a through hole penetrating, the bottom surface of the body is formed with the downwardly projecting guide bar, projecting the plunger is formed on the top surface of the pillar, the pillar is provided with a plurality of through the perforations, the plurality of the perforations in the surrounding around the guide rod and the plunger, the tip of the catheter is pressed against the sleeve under the ceiling of the compression tube, so that the roof top of the tube against the compression of the cartridge and closing said perforations, thereby enabling the catheter with the guide bar the channels formed between the perforations does not communicate with the top of the plunger is formed with an enlarged portion, the tight side of the enlarged portion against the wall surface of the through bore hole on the top plate of the tube compressed so that the compression tube the interior of the inner connector holder is not in communication.
11. 如权利要求10所述的防止药液外漏的免针输液接头,其特征在于,包括有该套筒、 该移动件、该上压缩管、该柱体、该下压缩管及该连接座等六个构件,其中该导杆及插杆一体成型于该柱体上。 Preventing liquid leakage of the infusion needle-free connector as claimed in claim 10, characterized in that, the sleeve comprising, the moving member, the compression tube, the cylinder, the compression and the connecting pipe six member seat, etc., wherein the guide rod and the plunger is integrally formed on the cartridge.
CN201310127676.2A 2013-04-12 2013-04-12 Preventing liquid leakage of the infusion needle-free connector CN104096283B (en)

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