|Publication number||CN103736176 A|
|Application number||CN 201410024549|
|Publication date||23 Apr 2014|
|Filing date||20 Jan 2014|
|Priority date||20 Jan 2014|
|Also published as||CN103736176B|
|Publication number||201410024549.4, CN 103736176 A, CN 103736176A, CN 201410024549, CN-A-103736176, CN103736176 A, CN103736176A, CN201410024549, CN201410024549.4|
|Inventors||兰海, 乔艳, 揭华盛|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (4), Referenced by (1), Classifications (2), Legal Events (3)|
|External Links: SIPO, Espacenet|
一次性使用贮药注射器 Disposable syringe drug reservoir
技术领域 Technical Field
 本发明涉及医用注射器技术领域，特别是一次性使用贮药注射器。  The present invention relates to the technical field of medical syringes, in particular prefilled syringe disposable reservoir.
 传统的注射操作过程中先要用注射器抽出溶媒(即注射用水)，再将注射器针头扎入溶质瓶(粉针剂或水针剂)，然后推出溶媒与溶质进行混合溶化，最后再抽出混合药液到注射器内才能对人体进行注射或给输液瓶内加药。  The conventional process of injection with a syringe extraction operations must first vehicle (ie, water for injection), and then the syringe needle bar into the solute bottle (powder or water injection), and the introduction of mixed solvent and solute dissolved, and finally out of mixing liquid into the syringe to inject the human body or to the infusion bottle dosing. 这种操作方法程序复杂，护士劳动量大，药液要经几次转移，容易污染。 This method of operation procedures are complicated, labor intensive nurse, liquid transfer to go through several times, easily contaminated.
目前，出现了将溶媒和溶质共同贮存于同一注射器中的结构，如中国专利2008200292616公开的“粉针剂无菌混药预灌封注射器”、中国专利2008200301441公开的“双室卡式瓶粉针剂预灌装注射器”、中国专利2012202806593公开的“水粉合一快速注射器”等，其结构均是由一活塞将粉剂储腔与水剂储腔分隔开，使用时，或通过针刺透该活塞实现水粉混合，或通过推动活塞使活塞与针筒间出现间隙从而实现水粉的混合。  At present, there has to be stored in a common solvent and solute structures in the same syringe, as disclosed in Chinese patent 2008200292616 "powder mixed with sterile pre-filled syringe medicine," Chinese Patent 2008200301441 Publication of "double room cassette bottle injection prefilled syringe ", Chinese patent 2012202806593 Publication of" unity gouache fast syringe "and its structure are made from a powder storage chamber and the piston chamber separated from a liquid reservoir, in use, or by needling through The piston realize gouache mixing, or by pushing the piston of the gap in order to achieve gouache mixing occurs between the piston and the cylinder. 但现有结构中均存在分隔水粉的活塞只能向针头方向单方向运动，当进行水剂向粉剂腔推送的过程中也极易造成分隔水粉的活塞被动向针头方向移动，进而使得盛放粉剂的腔体的体积成为最终容纳水粉混合剂的最大盛装体积，活塞向针头方向的移动就造成了该体积的进一步减小，因而此类注射器通常存在水剂不能完全注入粉剂盛放腔的问题，或在混合过程中因该容腔内压力过大，药液从针头排出的现象，不能满足正常注射需求。 However, the existing structures are present separated gouache piston movement only in one direction to the direction of the needle, when performing a liquid to powder to push the process chamber is also very vulnerable to being separated gouache piston movements needle direction, thus making full bloom powder volume of the cavity containing the largest volume of the final mixture of watercolor accommodated, the needle direction of movement of the piston causing a further reduction in the volume, so that the presence of such a liquid syringe typically not completely accommodating chamber injection problems powders, or in the mixing process due to the cavity of the pressure, the liquid discharged from the needle phenomenon, can not meet the normal injection needs. 同时，现有水粉共贮注射器的组件多、结构复杂，进一步降低了注射器使用的稳定性和可靠性，且加工、组装工艺复杂，成本高，制约着此类注射器的推广应用。 At the same time, the existing syringe components were stored gouache more complex structure, further reducing the stability and reliability of used syringes and processing, assembly process is complicated and costly, which restricts the application of such syringes.
 本发明的目的在于克服现有技术的缺点，提供一种降低成本、操作方便、安全可靠的一次性使用贮药注射器。  The object of the present invention is to overcome the disadvantages of the prior art and to provide a lower cost, convenient, safe and reliable storage of drug use disposable syringes.
 本发明的目的通过以下技术方案来实现:一次性使用贮药注射器，它包括注射器主体和设置于注射器主体内的推拉杆A，注射器主体包括套筒、设置于套筒前端部的锥头和设置于套筒后端的手指抓取部A，锥头的药剂出口处设置有密封件，推拉杆A从套筒后端插入套筒内部，推拉杆A的外壁与套筒的内壁紧密配合，推拉杆A的内部设有轴向通孔，轴向通孔内设置有推拉杆B，推拉杆B从轴向通孔后端插入推拉杆A内部，推拉杆B的外壁与轴向通孔的孔壁紧密配合，轴向通孔的前端设置有滑动阀门，推拉杆A的后端设置有手指抓取部B，推拉杆B前端、推拉杆A和滑动阀门形成密闭腔室A，推拉杆A前端、滑动阀门和注射器主体形成密闭腔室B。  The object of the present invention is achieved by the following technical scheme: disposable drug reservoir syringe, comprising a syringe body and disposed within the syringe body push rod A, the syringe body includes a sleeve disposed in the tapered distal end portion of the sleeve head and disposed at the rear end of the sleeve of the finger grip portion A, the agent is provided at the exit cone a seal, A push rod inserted into the sleeve interior from the rear end of the sleeve, the sleeve inner wall and the outer wall of the push-pull rod A close fit Internal push rod A provided with an axial through-hole axial through-hole is provided with push-pull B, B push-pull rod is inserted from the rear end of the axial through-hole internal push rod A, push-pull rod outer wall of the axial through hole B hole wall closely with the front end of the axial through-hole slide valves, pushrods A rear end is provided with a finger grip portion B, B push-pull front push rod A and the slide valve to form a closed chamber A, push-pull rod A front-end, the slide valve and the syringe body form a sealed chamber B.
 所述的滑动阀门包括圆柱型导位柱和设置于导位柱前端的密封帽，导位柱设置于轴向通孔内，密封帽的后端面与推拉杆A的前端面接触密封，导位柱的外壁与轴向通孔紧密连接，导位柱的外壁上设置有轴向槽。 Slide valve  comprises a cylindrical guide column and set in place lead-bit column front-end sealing cap, lead-bit column is set to the axial through-hole after the seal cap sealing contact with the push rod A front face , closely connected with the outer wall of the axial through-hole lead-bit column, the outer wall of the guide-bit column is provided with axial grooves.
 所述的手指抓取部A为凸出于套筒外表面的片状指托A，所述的手指抓取部B为凸出于推拉杆A外表面的片状指托B。 A finger grip portion A  is protruding from the outer surface of the sleeve flaky finger rest A, B said finger grip portion protruding from the outer surface of the push rod A sheet refers to care B.
 所述的手指抓取部B还包括位于片状指托B前侧、设置于推拉杆A外表面的手指让位槽。 Finger  The gripping portion B also includes a sheet-care refers to the first B-side, set on the outer surface of the push-pull rod A finger grooves give way.
 所述的推拉杆B的后端设置有推柄，所述的推拉杆A的后端面上设置有与推柄配合的凹槽。 The rear end of the push-pull rod B  The push handle is provided with a rear end face of said push rod is provided with A push handle mating groove.
 当推拉杆B完全推入到推拉杆A轴向通孔时，推柄的后端面与手指抓取部B的后端面相平齐，推拉杆B的前端面与推拉杆A的前端面相平齐。  When the push-pull rod B completely pushed into the push-pull rod A axial through-hole, the rear end face of the rear face of the finger grip portion B of the push handle is flush with the front surface of the push rod and push the front end of the rod A B face flush.
 所述的密封件为呈圆筒形的螺纹接口和通过螺纹与螺纹接口配合密封连接的螺旋帽，螺纹接口固设于套筒前端面且套装于锥头外部，螺旋帽的内部设置有用于容置锥头的锥形腔，螺旋帽的锥形腔与锥头间为紧密配合，螺旋帽与螺纹接口通过螺纹密封连接后形成对锥头的药剂出口的密封。 Seals , wherein the cylindrical threaded connector and screw cap is screwed with the threaded connection with the sealing connection thread interfaces fixed on the front end face of the sleeve and cone suit to external and internal setting screw cap There accommodating cone conical cavity, for pharmaceutical exports cone of the sealed cavity between the screw cap and cone tapered to fit snugly, screw cap and threaded connection is formed by a threaded connection for sealing.
 所述的锥头为6%鲁尔圆锥接头。 Cone  The 6% luer taper.
 所述的密闭腔室A预装有药剂A，所述的密闭腔室B预装有药剂B。  The closed chamber A preloaded with agent A, the closed chamber B preloaded with agent B.
 所述的药剂A为液体或粉体，药剂B为液体或粉体。  wherein A is a liquid or powder medicament, a liquid or powder medicament B.
 本发明具有以下优点:本发明将注射药物的包装与注射器两大产业整合，将原来的三种包装整合到了一支注射器上，大幅降低、节约了成本，提高了工作效率。  The present invention has the following advantages: The invention will be injecting drug packaging and syringe two industry consolidation, will integrate the three original packaging to the syringe on a significantly reduced cost savings and improve efficiency.
 不需要配药用注射器，简化了注射的操作程序，避免配药抽吸药水过程中因操作不当引起的污染及浪费，两种药物都不与外界接触，完全避免了药品本身的污染和药品对环境的污染，符合药品的临床使用规范。  does not need to dispense with a syringe, simplifying the injection of operating procedures to avoid pumping syrup dispensing process due to pollution and waste caused by improper operation, the two drugs are not in contact with the outside world, completely avoid the contamination of the drug itself, and Drug pollution of the environment, in line with the clinical use of drugs specification.
 节省注射前粉剂配制时间，适用于快速配药及注射，便于按常规药方药物注射，及战时或灾时的伤病员自救。  before saving injection powder preparation time for fast dispensing and injection, easy to follow the conventional prescription drug injection, self-help and wounded during wartime or disaster.
 结构简单，组件少，进一步降低了制造成本，保证了使用的稳定性和可靠性，外形美观，操作方便，易于推广应用。 Simple  structure, less components, further reducing manufacturing costs, to ensure the stability and reliability of use, appearance, convenient operation, easy application.
 设置有密封件，能够避免在两种药物混合过程中药剂因压力过大从注射器内排出的现象，安全可靠，密闭式螺纹方便连接操作，降低了操作难度，同时又安全无菌；推拉杆A、推拉杆B和注射器主体的结构设计，能够满足两种药物的完全混合，调节方便灵活，适用范围更广，实用性更强，滑动阀门的设计能避免产品的二次使用。  provided with a seal, the two drugs can be avoided during mixing agents due to excessive pressure discharged from the syringe phenomenon, safe, reliable, easy connection thread sealed operation, reduce the difficulty of the operation, as well as safe sterile; Push rod A, push-pull rod B and the syringe body structure designed to meet the complete mixing of the two drugs, flexible and easy to adjust, the scope of a wider, more practical, slide valve is designed to avoid the use of secondary products.
附图说明 Brief Description
 图1为本发明的结构示意图  FIG. 1 a schematic structural view of the present invention.
图2为本发明的滑动阀的结构示意图 Figure 2 sliding valve structure of the present invention.
图中，1-套筒，2-锥头，3-手指抓取部A，4-密封件，5-推拉杆A，6-轴向通孔，7-推拉杆B，8-滑动阀门，9-手指抓取部B，10-密闭腔室A，11-密闭腔室B，12-手指让位槽，13-推柄，14-凹槽，15-导位柱，16-密封帽，17-轴向槽，18-螺纹接口，19-螺旋帽。 Drawing, 1- sleeve, cone 2-, 3- finger tab portion A, 4- seals, 5- pushing rod A, 6- axial through hole, 7- push rod B, 8- slide valve, 9- finger grip portion B, 10- airtight chamber A, 11- airtight chamber B, 12- finger grooves give way, 13 push handle, 14 grooves, 15 lead-bit column, 16 sealing cap, 17- axial slot, 18-threaded connection, 19- screw cap.
具体实施方式 DETAILED DESCRIPTION
 下面结合附图对本发明做进一步的描述，本发明的保护范围不局限于以下所述: 如图1所示，一次性使用贮药注射器，它包括注射器主体和设置于注射器主体内的推  the following with reference to the present invention will be further described, the scope of the present invention is not limited to the following described: 1, single-use syringe drug reservoir, comprising the syringe body and disposed in the syringe body Push
拉杆A5，注射器主体包括套筒1、设置于套筒I前端部的锥头2和设置于套筒I后端的手指抓取部A3，锥头2的药剂出口处设置有密封该药剂出口的密封件4，推拉杆A5从套筒I后端插入套筒I内部，推拉杆A5的外壁与套筒I的内壁紧密配合，推拉杆A5与套筒I间密封性良好，推拉杆A5的内部设有轴向通孔6，轴向通孔6内设置有推拉杆B7，推拉杆B7从轴向通孔6后端插入推拉杆A5内部，推拉杆B7的外壁与轴向通孔6的孔壁紧密配合，推拉杆B7与轴向通孔6间密封性良好，轴向通孔6的前端设置有密封该轴向通孔6的滑动阀门8，推拉杆A5的后端设置有手指抓取部B9，推拉杆B7前端、推拉杆A5和滑动阀门8形成密闭腔室A10，推拉杆A5前端、滑动阀门8和注射器主体形成密闭腔室B11。 Rod A5, a syringe body comprises a sleeve disposed in a sleeve and the cone 2 I I distal end portion of the rear end of the sleeve of the finger grip portion A3, pharmaceutical outlet cone 2 is provided with a seal of the sealing agent outlet an outer wall and an inner wall of the sleeve member 4 I, I push rod inserted into the sleeve interior A5 I from the rear end of the sleeve, push-pull rod A5 close fit between the push rod and the sleeve I sealability A5, A5 internal push rod set with an axial through-hole 6, axial through-hole 6 is provided with a push rod B7, B7 push rod from the rear end of the axial through-hole 6 is inserted inside A5 push rod, push rod outer wall of the axial through-hole hole wall 6 B7 closely with the push rod B7 and axial through-hole 6 good seal, the front end of the axial through-hole 6 has an axial through-hole to seal the slide valve 6 of 8, push-pull rod A5 rear end is provided with a finger grip portion B9, B7 front end push rod, push rod and the slide valve A5 8 form a sealed chamber A10, A5 front-end push rod, slide valve 8 and the syringe body form a sealed chamber B11.
 结合图1、图2所不,所述的滑动阀门8包括圆柱型导位柱15和设置于导位柱15前端的密封帽16，导位柱15设置于轴向通孔6内，密封帽16的后端面与推拉杆A5的前端面接触密封，导位柱15的外壁与轴向通孔6紧密连接，导位柱15的外壁上设置有轴向槽17。  conjunction with Figure 1, Figure 2, are not, said slide valve comprises a cylindrical guide 8 bit column 15 and disposed at the front end of the guide post 15 bits sealing cap 16, the guide post 15 disposed on the bit axial through hole 6 After the seal cap 16 in contact with the push rod seal A5 of the front end surface, the guide pillar outer position with axial through hole 15 of the tight junctions 6, the outer wall of the guide post 15 of the bit provided with an axial groove 17.
 如图1所示，所述的密封件4为呈圆筒形的螺纹接口18和通过螺纹与螺纹接口18配合密封连接的螺旋帽19，螺纹接口18固设于套筒I前端面且套装于锥头2外部，螺纹接口18的内表面设置有连接螺纹，螺旋帽19的外圆周面设置有连接螺纹，所述的锥头2为6%鲁尔圆锥接头，螺旋帽19的内部设置有用于容置锥头2的锥形腔，该锥形腔的形状和尺寸与锥头2的形状和尺寸相配合，螺旋帽19的锥形腔与锥头2间为紧密配合，螺旋帽19与螺纹接口18通过螺纹密封连接后形成对锥头2的药剂出口的密封。  1, 4 to seal the cylindrical threaded connection 18 and threaded through a threaded screw cap sealing interface 18 is connected with 19, threaded connection 18 fixed on the front end face of the sleeve I Set in the nose cone and 2 external, the inner surface of a threaded interface 18 is provided with a connecting thread, screw cap outer circumferential surface 19 is provided with a connecting thread, said cone 2 to 6% luer taper, internal screw cap 19 is provided for receiving the tapered conical chamber 2, the shape and size of the tapered cone shape and size of the cavity 2 is fitted, screw cap 19 of conical cavities with cone 2 is working closely with screw cap the formation of the cone 2 after sealing agent outlet 19 Nipple 18 thread sealing connection. 锥头2为6%鲁尔圆锥接头，方便与现有通用注射针的配合使用。 2 cone 6% luer taper, convenient and existing common needle used in conjunction. 螺纹接口18和螺旋帽19的设计既能在通过螺纹连接后密封6%鲁尔圆锥接头的药剂出口，又方便通过螺纹旋出螺旋帽19，将合适规格的注射针安装于6%鲁尔圆锥接头上进行注射。 Threaded connection 18 and screw cap 19, both in the design of the threaded connection through the sealing agent export 6% luer taper, but also easy to unscrew the screw threaded cap 19, the appropriately sized needle attached to the 6% Luer cone injection fitting. 结构简单，密封性能好，且操作方便，通用性强。 Simple structure, good sealing performance, and ease of operation, versatility.
 所述的手指抓取部A3为凸出于套筒I外表面的片状指托A，所述的手指抓取部B9为凸出于推拉杆A5外表面的片状指托B。 A finger grip portion A3  The sleeve is protruding from the outer surface of the sheet means I care A, B9 of the finger grip portion protruding from the outer surface of the push rod holder A5 sheet refers to B .
 所述的手指抓取部B9还包括位于片状指托B前侧、设置于推拉杆A5外表面的手指让位槽12。 Finger  The gripping section B9 also includes a front side of the sheet-like finger supports B, provided on the outer surface of the push-pull rod gave way A5 finger groove 12.
 所述的推拉杆B7的后端设置有推柄13，所述的推拉杆A5的后端面上设置有与推柄13配合的凹槽14。  The rear end of the push rod has a push handle 13 B7, the rear end face of the push rod has a set A5 and push handle 13 with the groove 14.
 所述的密闭腔室AlO预装有药剂A，所述的密闭腔室Bll预装有药剂B。 Airtight chamber AlO  said preloaded with agent A, the sealed chamber Bll preloaded with agent B.
 所述的药剂A为液体或粉体,药剂B为液体或粉体。  wherein A is a liquid or powder medicament, a liquid or powder medicament B.
 当推拉杆B7完全推入到推拉杆A5轴向通孔6时，推柄13的后端面与手指抓取部B9的后端面相平齐，推拉杆B7的前端面与推拉杆A5的前端面相平齐。  When the push rod B7 completely pushed into the push-pull rod A5 axial through-hole 6:00, the push handle 13 and the rear end surface of the finger grip portion of the rear end face flush B9, B7 push rod end surface and push rod A5 The front end face flush.
本发明的工作过程如下:首先用手把持住手指抓取部B9，向下推动推拉杆B7，通过药剂A推动滑动阀门8向下滑动，密封帽16的后端面与推拉杆A5的前端面分离解除密封，从而密闭腔室AlO与密闭腔室Bll通过轴向槽17而连通，药剂A从轴向槽17流入密闭腔室Bll内，与药剂B混合，此过程中推拉杆A5相对于注射器主体是固定的，不会产生位移，因而不会对锥头2的密封件4造成压力；当药剂A的贮存量大于密闭腔室Bll的剩余体积时可以在下推推拉杆B7的同时向上提推拉杆A5，从而可使药剂A全部顺利进入密闭腔室B11，因此本发明的密闭腔室Bll的体积是可以随时任意调节的，且调节的过程中同样不会对锥头2的密封件4造成压力；当推拉杆B7的推柄13完全落入推拉杆A5的凹槽14内时，药剂A被完全排入密闭腔室Bll内，待药剂A与药剂B完全混合后，手持注射器主体使锥头2略向上，再旋开螺旋帽19，螺旋帽19脱离锥头2，取合适规格的注射针安装拧紧于锥头2上，按常用注射方法注射，注射时，手持手指抓取部A3，向下推动推拉杆A5与推拉杆B7相平齐的末端，推动推拉杆B7进行注射，当滑动阀门8的密封帽16接触到注射器主体的端面时，继续推动推拉杆B7，滑动阀门8的导位柱15回收至轴向通孔6内，当推拉杆B7的前端面紧密接触密封帽16的后端面时，完成注射。  The operation of the present invention are as follows: First, the hand hold on the finger grip portion B9, pushing down the push-pull B7, driven by pharmaceutical A slide valve slide 8 down, the rear face of the sealing cap 16 of the push rod A5 the front face of the separation unsealed so airtight chamber and sealed chamber Bll AlO and communicated through the axial groove 17, agents from the axial groove A 17 flows into the sealed chamber Bll, and medicine mixing B, this process is relatively push-pull rod A5 in the syringe body is fixed, no displacement, and thus will not put pressure on the cone seal 2 4; at the same time when drug A is greater than the storage capacity of the remaining volume of the closed chamber Bll can next upward push rod B7 mention push rod A5, thereby allowing all pharmaceutical A smooth entry into the closed chamber B11, and therefore the volume of the closed chamber Bll of the present invention is that it can be adjusted at any time, and the same process of adjustment will not seal cone 2 4 create pressure; when the push handle push-pull rod 13 B7 completely fall recess A5 when push rod 14, the Pharmacy A fully discharged into the sealed chamber Bll, until thoroughly mixed with pharmaceutical agents A B, the hand-held syringe body 2 slightly upward so that the cone head, then unscrew the screw cap 19, a screw cap 19 from the cone 2, take the right size needle Fastening on the cone 2, by the usual method of injection injection, injection, holding a finger grip portion A3, A5 and push down the push rod push rod flush with the end of the B7, B7 pushing the push rod injection, when the seal cap 16 slide valve 8 comes into contact with the syringe body, continue to promote the push rod B7, slide valve 8 The lead-bit column 15 and recovered in an axial through-hole 6, when the push rod into close contact with the front surface of B7 rear end face 16 of the sealing cap, the completion of the injection.
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