CN102836075B - Mixing one kind of antifouling agent interfaces - Google Patents

Mixing one kind of antifouling agent interfaces Download PDF

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Publication number
CN102836075B
CN102836075B CN201110168605.8A CN201110168605A CN102836075B CN 102836075 B CN102836075 B CN 102836075B CN 201110168605 A CN201110168605 A CN 201110168605A CN 102836075 B CN102836075 B CN 102836075B
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drug
mixed
end
mixing
open end
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CN201110168605.8A
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CN102836075A (en
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李科
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重庆莱美药业股份有限公司
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Abstract

本发明公开了一种混药接口,尤其是公开了一种防污染混药接口,属于医疗器械制造技术领域。 The present invention discloses a mixed drug interfaces, in particular discloses a mixture pesticide pollution interfaces, belongs to the technical field of medical device manufacturing. 提供一种使用方便、在生产制造、储存和运输过程中均能有效防止二次污染的防污染混药接口。 It provides a convenient, in the manufacturing, storage and transportation can effectively prevent secondary pollution antifouling agent mixed interface. 所述混药接口包括含有封闭端盖的混药嘴和含有易折柄的硬双接口;硬双接口上设置有混药通道,混药嘴由混药卡体和针筒体构成,混药卡体具有一个敞开端和一个密封端,针筒体位于混药卡体的密封端,硬双接口和混药嘴通过安装在混药通道和针筒体上的密封胶管连接为一个整体;封闭端盖可拆卸的安装在混药卡体的敞开端,并将该敞开端密封;易折柄设置在密封胶管内的混药通道的末端,并将该末端封闭。 The interface comprises mixing the drug-containing mixed mouthpiece closure cap and a frangible stem containing hard dual interface; dual interface is provided on the hard drugs mixed with a channel, the mouthpiece is constituted by mixing the drug mixture card body and the syringe body, drug mix a card body having an open end and a sealed end, the sealing end of the syringe body located in the drug mixture of the card body, hard and hybrid dual interface connected to a mouthpiece mounted on integrally by mixing the drug and the syringe body passageway sealing hose; closed cap detachably mounted in the card body of the drug mixing open end and sealing the open end; end of the shank frangible seal disposed within the hose passage drug mixed, and the closed end.

Description

一种防污染混药接口 Mixing one kind of antifouling agent interfaces

技术领域 FIELD

[0001]本发明涉及一种混药接口,尤其是涉及一种防污染混药接口,属于医疗器械制造技术领域。 [0001] The present invention relates to a drug mixing interfaces, particularly to a drug mixed stain interfaces, it belongs to the technical field of medical device manufacturing.

背景技术 Background technique

[0002]在使用西林瓶盛装的粉针剂、冻干粉针剂或水针剂时,需要通过注射器将输液软袋中的药水或注射用水抽出注入西林瓶内,重复上述工作,直到西林瓶内有足够的药液;然后再将西林瓶反复摇动直到瓶内的药剂混合均匀,再用注射器将西林瓶内药液抽出注入输液软袋中,如此反复,直到瓶内的药液被抽完为止。 [0002] extracted using vials containing the powder, lyophilized powder or water injection, the syringe needs by soft infusion bag solution or bottle Ru Xilin injection water for injection, above operation is repeated until there is sufficient resistant bottle drug solution; then the vials shaken repeatedly until uniformly mixed medicament vial, syringe then withdrawn liquid resistant bottle injection soft infusion bag, and so forth, until the liquid until the vial is smoked. 上述的混药操作过程比较费时、费力、费耗材如注射器,且极易造成药液的二次污染。 Drug mixing the above operation more time-consuming, laborious, expensive consumables such as a syringe, and the liquid can easily cause secondary pollution.

[0003]专利号为ZL200520052561.2的专利,提供了一种解决上述技术问题的焊接在输液软袋上的混药接口,这种混药接口的优点在于:在混药时,不需要反复的从输液软袋中抽取药水,而是将西林瓶置于混药接口的混药卡体上,折断易折柄,使西林瓶通过针筒体与输液软袋连通,然后轻压输液软袋,将药水注入西林瓶中,混合均匀后再将西林瓶置于高处,反复挤压输液软袋即可,操作简单,节约耗材。 [0003] Patent No. ZL200520052561.2, there is provided a solution to the technical problem of welding the medicine mixed in the interface soft infusion bag, which has the advantage that the interface mixed drug: drug when mixed, does not require repeated infusion syrup withdrawn from flexible bag, but to mix the drug vial is placed on the interface of the mixed drug card body, broken frangible handle the vial by the syringe body in communication with the soft infusion bag and soft bag infusion light pressure, Note Ru Xilin the syrup bottle, mixed well and then the vial was placed high, can be re-pressing soft infusion bags, simple operation, saving consumables. 但是,这种混药接口也有许多不足,其不足之处主要有以下几点:1、所述混药接口的易折柄位于输液软袋内,在使用时,折断易折柄后,折柄段极易掉入输液软袋中,同时易折柄在折断时,会产生塑料微粒污染输液软袋中的药液,并且在折断的过程中,由于易折柄使用的PP塑料的韧性,致使折断力较大,折断操作时极容易将输液软袋戳穿,使输液软袋无法使用;2、固定西林瓶的混药卡体的密封是采用将支撑板粘贴到保护膜上,再通过粘合剂粘接在混药卡体的敞开端实现的,这样,在储存和运输过程中保护膜很容易掉落,造成混药卡体内的针筒体污染,同时,粘合剂本身也会造成混药卡体的污染。 However, this drug mixed interface also has a number of deficiencies, its shortcomings are mainly as follows: 1, the mixed medicine interface frangible handle located at the soft infusion bag, in use, to break the frangible shank, the shank off infusion section can easily fall into the flexible bag, at the same time easy to handle broken off, particulate contamination generated liquid plastic soft infusion bag, and during the break, since the toughness of the PP used frangible plastic handle, resulting in breaking force is large, soft infusion bags very easily broken when piercing operation, the infusion can not use soft bag; 2, of the card body mixed drug vial is hermetically fixed using the support plate attached to the protective film, and then through an adhesive mixed with an adhesive at the open end of the drug to achieve the card body, so that the protective film during storage and transportation and it is easy to fall, resulting in contamination of the syringe body mixing drugs card body, at the same time, the adhesive itself can also cause mixing pollution drug card body. 又由于该技术的针筒体采用的是聚丙烯材料,使其在实际使用过程中难以达到顺利刺穿西林瓶盖的效果,而且该针筒体和混合嘴是组装结构,在运输或使用过程中容易松动或掉落,造成漏液和污染。 Since the syringe body and the technique employed is a polypropylene material, it is difficult in practical use to achieve the effect of smoothly pierce resistant cap, and the syringe body and the mixing nozzle are assembled configuration, the transport or use It is easy to become loose and fall, causing leakage and contamination. 另外,所述混药接口的连接底座的设计为表面部分光滑、座底两端菱角锋锐的船型结构,这样的结构在与输液软袋的焊接过程中所使用的焊接温度较高,容易造成软袋的“过焊”,严重影响密封性能,造成漏液,且锋锐的棱角在药物的储存、运输过程中极易损伤输液软袋本身,同样容易带来漏液和原材料的浪费。 Further, the mixed agent interface is designed to connect the base portion of the smooth surface, the ship structure of the seat bottom sharpened ends water chestnut, higher welding temperature during the welding of such structures and soft infusion bag used, easily lead to the pouch "over-welding", seriously affect the sealing performance, resulting in leakage, and the sharpened edges of the soft infusion bags easily damage itself, during storage and transport of drugs, the same is easy to bring the raw materials and waste leakage.

[0004]为了克服上述易折柄被折断后容易掉入输液袋内,或折断时容易刺破输液袋的问题,现有技术中,根据混药嘴与硬双接口通过密封胶管连接的结构特点,也有将易折柄设置在密封胶管内的针筒体末端的结构,这种结构的缺点主要是,在使用过程中,易折柄位于输液软袋的下部,这样液体会进入混药通道,即使没有折断易折柄打开混药通道,易折柄也会始终浸泡在液体,增加二次污染的风险。 [0004] In order to overcome the structural characteristics of the frangible shank to be broken easily fall into the infusion bag, the infusion bag easily punctured or broken during the above-described problems, the prior art, according to the hard mixed mouthpiece via dual-interface connector sealing hose , but also the structure of the syringe tip shank frangible seal disposed within the hose, the main disadvantage of this construction is that during use, the frangible shank in the lower soft infusion bag, so the liquid will be mixed into the medicine passage, even without the broken handle, easy to break open the drug channel mix, easy to fold the handle will always immersed in the liquid, increasing the risk of secondary pollution.

发明内容 SUMMARY

[0005]本发明所要解决的技术问题是:提供一种使用方便、在生产制造、储存和运输过程中均能有效防止二次污染的防污染混药接口。 [0005] The present invention solves the technical problem are: to provide an easy to use in manufacturing, storage and transportation can effectively prevent secondary pollution antifouling agent mixed interface.

[0006]为解决上述技术问题所采用的技术方案是:一种防污染混药接口,包括含有封闭端盖的混药嘴和含有易折柄的硬双接口;硬双接口上设置有混药通道,混药嘴由混药卡体和针筒体构成,混药卡体具有一个敞开端和一个密封端,针筒体位于混药卡体的密封端,硬双接口和混药嘴通过安装在混药通道和针筒体上的密封胶管连接为一个整体;封闭端盖可拆卸的安装在混药卡体的敞开端,并将该敞开端密封;易折柄设置在密封胶管内的混药通道的末端,并将该末端封闭。 [0006] Technical Solution To solve the above technical problem is: A stain mixture pesticide interface comprising an end cap comprising a closed mouth and containing a drug mixed frangible shank hard dual interface; dual interface is provided on the hard drugs mixed with a channel, the mouthpiece is constituted by mixing the drug mixing and the syringe body of the card body, the card body having a drug mixing open end and a sealed end, the sealing end of the syringe body mixing drug card body, hard and hybrid dual interface by installing the mouthpiece sealing hose is connected to the channel mixing the drug and the syringe body as a whole; closure cap detachably mounted to the open end of the drug mixture of the card body, and sealing the open end; frangible shank disposed within the sealed hose mixed end of the medicine passage and the closed end.

[0007]进一步的是,密封端盖为由铝合金材料压制而成或由医药用聚丙烯材料一次性注塑而成的具有一个开口端和一封闭端的柱状体,柱状体密封端盖通过设置在开口端的卡扣或螺纹与混药卡体的敞开端连接,并将该敞开端密封。 [0007] Further, the sealing cap is made by pressing an aluminum alloy material or a columnar body having an open end and a closed end of a disposable medical use made of injection molded polypropylene material, the columnar body by the sealing cap is provided a snap or threaded open end connected to the drug mixture of the card body open end and the open end sealed.

[0008]进一步的是,易折柄由折柄段构成,易折柄通过折柄段与硬双接口的混药通道一体成型,或通过折柄段与硬双接口的混药通道的末端焊接连接。 [0008] Further, the frangible shank is constituted by folding the shank section, frangible handle by folding the handle segment to hard dual interface mixed medicine passage formed integrally, or by welding the end of mixing drugs channel off shank section of the hard-bis interface connection.

[0009]进一步的是,易折柄的折柄段在其横截面上的投影呈十字型或三个角结构。 [0009] Further, the frangible shank off shank section shape of a cross structure or three corners of the projection of its cross-section.

[0010]本发明的有益效果是:通过将易折柄设置到密封胶管内的混药通道的末端来封闭混药通道,保证了在将混药接口组装至输液软袋I中后,在没有折断易折柄之前,易折柄不会处于液体中,降低了混药接口在使用过程中产生二次污染的机率;然后再在混药卡体的敞开端设置一可拆卸的封闭端盖,将所述敞开端密封,由于该封闭端盖不采用粘接结构,在密封过程中不需要粘合剂,从而保证了混药接口在制造过程中不会产生二次污染,正因为封闭端盖不是通过粘合剂粘接在混药卡体的敞开端的端面上的,所以所述混药接口在储存和运输过程中不容易被损坏,从而使本发明的混药接口,在储存和运输的过程中,也不容易因为由封闭端盖构成的密封零件的损坏而被污染。 [0010] Advantageous effects of the invention are: by frangible handle provided to the end of mixing the drug passageway in the sealing hose is closed mixed medicine passage, ensures that the soft infusion bags I of the mixed medicine interfaces assembled to, in the absence of before breaking frangible handle, the handle will not easily break in the liquid, reducing the chance of mixing drugs interfaces secondary pollution during use; and then provided with a removable closure cap in mixing the drug card body open end, sealing the open end, since the end closure structure without using an adhesive, no adhesive in the sealing process, so as to ensure the drug mixing interfaces no secondary pollution in the manufacturing process, because the closure cap it is not bonded by an adhesive surface at the open end of the drug mixture card body end, so the drug mixing at the interface can not be easily damaged during storage and transportation, so that the interface of the present invention is mixed with the drug, the storage and transport of process, is not easily damaged because the sealing part consisting of end closure being contaminated.

附图说明 BRIEF DESCRIPTION

[0011]图1为本发明一种防污染混药接口的结构示意图; [0011] Figure 1 is a schematic view of a structure in the invention mixed antipollution agent interface;

[0012]图2为本发明涉及到的硬双接口的主视图; [0012] Figure 2 relates to a front view of the present invention, the hard dual interface;

[0013]图3为图2的俯视图; [0013] FIG. 3 is a plan view of FIG 2;

[0014]图4为图3的AA剖视图; [0014] FIG. 4 is a sectional view AA of Figure 3;

[0015]图5为本发明涉及到的混药嘴的主视图存 [0015] FIG. 5 is a front view of memory related to the present invention is mixed with the mouthpiece

[0016] 图6为图5的BB剖视; [0016] FIG. 6 is a sectional view BB of Figure 5;

[0017]图7为封闭端盖内侧壁上设置为卡扣的剖视图; [0017] FIG. 7 is set to the end closure wall of the inner cross-sectional view of the buckle;

[0018]图8为封闭端盖内侧壁上设置为螺纹的剖视图。 [0018] FIG. 8 is a cross-sectional view of the threaded inner cap wall of the closure is provided.

[0019]图中标记为:输液软袋1、硬双接口 2、混药通道22、混药嘴3、易折柄4、折柄段42、混药卡体5、敞开端51、密封端52、针筒体6、密封胶管7、密封端盖8、卡扣81、螺纹82。 [0019] FIG labeled: soft infusion bag 1, a hard dual interface 2, mixed medicine passage 22, mixed mouthpiece 3, frangible handle 4, off the handle section 42, mixing the drug card body 5, the open end 51, sealed end 52, the syringe body 6, the sealing hose 7, the sealing cap 8, the snap 81, the thread 82.

具体实施方式 Detailed ways

[0020]如图1、图2、图3、图5以及图6所示所示是本发明提供的一种使用方便、在生产制造、储存和运输过程中均能有效防止二次污染的防污染混药接口。 [0020] As shown in FIG 1, FIG 2, FIG 3, FIG 5 and FIG 6 the present invention is to provide a convenient shown, in the manufacturing, storage and transportation process can be prevented effectively preventing secondary contamination pollution mixed drug interface. 所述混药接口包括含有封闭端盖8的混药嘴3和含有易折柄4的硬双接口2;硬双接口2上设置有混药通道22,混药嘴3由混药卡体5和针筒体6构成,混药卡体5具有一个敞开端51和一个密封端52,针筒体6位于混药卡体5的密封端52,硬双接口2和混药嘴3通过安装在混药通道22和针筒体6上的密封胶管7连接为一个整体;封闭端盖8可拆卸的安装在混药卡体5的敞开端51,并将该敞开端51密封;易折柄4设置在密封胶管7内的混药通道22的末端,并将该末端封闭。 The interface comprises a mixed agent containing a mixture of the end closure 8 and the mouthpiece 3 comprises frangible shank 2 hard dual interface 4; provided with a mixed rigid double medicine passage 2 interface 22, the drug mixing nozzle 3 is composed of mixed drug card 5 and the syringe body 6 is formed, mixed with a drug card 5 has an open end 51 and a sealed end 52, located in the syringe body mixing drug card 6 sealed end 52 of the body 5, and a hard mixed dual interface 2 by mounting the mouthpiece 3 sealing the hose 6 and mix medicine passage 22 connected to the syringe body 7 as a whole; closing cap 8 is detachably mounted on the open end of the mixing the drug 5 the card body 51, and sealing the open end 51; frangible shank 4 sealing the hose end 7 is provided in a drug mixing channel 22 and the closed end. 这样,采用上述通过将易折柄4设置到密封胶管7内的混药通道22的末端来封闭混药通道22,保证了在将混药接口组装至输液软袋I中后,在没有折断易折柄4之前,易折柄4不会处于液体中,降低了混药接口在使用过程中产生二次污染的机率;然后再在混药卡体5的敞开端51设置一可拆卸的封闭端盖8,将所述敞开端51密封,由于该封闭端盖8不采用粘接结构,在密封过程中不需要粘合剂,从而保证了混药接口在制造过程中不会产生二次污染,正因为封闭端盖8不是通过粘合剂粘接在混药卡体5的敞开端51的端面上的,所以所述混药接口在储存和运输过程中不容易被损坏,从而使本发明的防污染混药接口,在储存和运输的过程中,也不容易因为由封闭端盖8构成的密封零件的损坏而被污染。 Thus, with an end of the by frangible shank 4 is provided to seal hoses 7 mixed medicine passage 22 is closed mixed medicine passage 22, ensures that after mixing the drug interfaces assembled to the soft infusion bags I, without breaking easily before folding the handle 4, the handle 4 is not easy to break in the liquid, reducing the chance of mixing drugs interface generates secondary pollution during use; and then the open end 5 is provided with a removable closure 51 at the end of the card body medicine mix cover 8, 51 to seal the open end, since the end closure structure 8 without using an adhesive, no adhesive in the sealing process, so as to ensure the drug mixing interfaces no secondary pollution in the manufacturing process, because the end closure 8 is not bonded by an adhesive agent in the mixed open end of the card body 5 the end face 51, so that the medicine mixed in the interface is not easily damaged during storage and transportation, so that the present invention drug mixed pollution interfaces, during storage and transportation, the seal is not easily damaged because the parts constituted by the end closure 8 being contaminated.

[0021]上述实施方式中,为了便于封闭端盖8的制造和在使用过程中的操作方便,同时又保证在储存运输过程中不易被损坏,如图1、图5、图6、图7以及图8所示,密封端盖8为由铝合金材料压制而成或由医药用聚丙烯材料一次性注塑而成的具有一个开口端和一封闭端的柱状体,柱状体密封端盖8通过设置在开口端的卡扣81或螺纹82与混药卡体5的敞开端51连接,并将该敞开端51密封。 [0021] In the above embodiment, in order to facilitate manufacture of the end closure 8 and the operation convenience during use, while ensuring easily be damaged during storage and transportation, as shown in FIG. 1, 5, 6, 7, and FIG. As shown in FIG, 8 the sealing cap 8 formed by pressing an aluminum alloy material or a disposable medical use made of injection molded polypropylene material having an open end and a closed end of the columnar body, columnar body through the sealing cap 8 provided open end 81 of snap or screw member 82 and the mixed drug card 51 is connected to the open end 5, and 51 seal the open end. 这样,封闭端盖8的制作十分方便,结构也十分简单,操作时也十分方便,由于密封端盖8是通过设置在开口端的卡扣81或螺纹82与混药卡体5的敞开端51连接的,所以在储存运输过程中,便不容易损坏或掉落,从而有效的保证了本发明的混药接口在储存运输过程中的清洁度,也正是由于密封端盖8是通过设置在开口端的卡扣81或螺纹与混药卡体5的敞开端连接的,所以在使用时,只需旋开或掰开密封端盖8即可,操作方便,还不容易在操作过程中产生二次污染。 Thus, the closure cap 8 is made very easy, the structure is very simple, the operation is very convenient, since the sealing cover 8 is connected through an open end disposed at the open end 81 of a snap or screw mixing the drug with the card 82 5 51 , so that during storage and transportation, it is not easily damaged or fall, so as to effectively ensure the cleanliness of the interface according to the present invention is mixed with the drug during storage and transportation, and it is precisely because the sealing cap 8 is provided through an opening a snap or threaded end 81 with the open end of the card body mixed drug connection 5, so that in use, simply unscrew the end cap or seal 8 can break apart, easy to operate, less likely to occur during operation of the secondary Pollution.

[0022]上述实施方式中,为了使易折柄4的结构更简单,制造更方便,如图2、图3以及图4所示,易折柄4由折柄段42构成,易折柄4通过折柄段42与硬双接口2的混药通道22—体成型,或通过折柄段42与硬双接口2的混药通道22的末端焊接连接;易折柄4的折柄段42在其横截面上的投影呈十字型或三个角结构。 [0022] In the above embodiment, in order to make the stem frangible structure 4 is simpler, easier manufacture, in FIG. 2, FIG. 3 and FIG. 4, the handle 4 is made easy to break off the stem section 42, frangible shank 4 dual interface section 42 and the hard drug mixing channel 2 22- shaping by folding handle, or dual interface section 42 and the hard drug mixing 2 channels are connected by welding end 22 off the shank; break frangible stem 42 at the shank section 4 the projection of its cross-section shape of a cross or a three corner structure. 这样,既可以使易折柄4的结构更简单,也便于将易折柄4与硬双接口2成整制造,节约制造成本。 In this way, the construction can easily break the stem 4 is simpler, but also easy to integer 2 4 and the hard manufacturing a dual interface frangible stem, manufacturing cost savings. 将折柄段42的横截面制成十字型或三个角结构,既可以节约材料,降低成本,又方便在折柄段42上形成导流通道。 The cross section is made off shank section 42, or three cross-shaped corner structure, which helps to save material and reduce the cost, and easy flow channel is formed in the folded section of the handle 42.

Claims (4)

1.一种防污染混药接口,其特征在于:包括含有封闭端盖(8)的混药嘴(3)和含有易折柄(4)的硬双接口(2);硬双接口(2)上设置有混药通道(22),混药嘴(3)由混药卡体(5)和针筒体(6)构成,混药卡体(5)具有一个敞开端(51)和一个密封端(52),针筒体(6)位于混药卡体(5)的密封端(52),硬双接口( 2)和混药嘴(3)通过安装在混药通道(22)和针筒体(6)上的密封胶管(7)连接为一个整体;封闭端盖(8)可拆卸的安装在混药卡体(5)的敞开端(51),并将该敞开端(51)密封;易折柄(4)设置在密封胶管(7)内的混药通道(22)的末端,并将该末端封闭。 An antifouling agent mixture interfaces, characterized by: a mixture containing a mouthpiece (3) of the end closure (8) and comprising a frangible stem (4) of hard-bis interface (2); hard-bis interface (2 provided on) the drug mixed with a passage (22), mixed mouthpiece (3) is constituted by mixing the drug card body (5) and the syringe body (6), the drug mixture of the card body (5) having an open end (51) and a sealed end (52), the syringe body (6) is located in the card body sealing end drug mixture (5) (52), rigid double-interface (2) and mixed mouthpiece (3) is mounted by mixing the drug passageway (22) and hose seal the syringe body (7) (6) is connected in one piece; closure cap (8) detachably mounted in the card body medicine mix (5) an open end (51), and the open end (51 ) seal; frangible shank (4) disposed within the sealing hose (7) of the drug mixed end channel (22), and the closed end.
2.根据权利要求1所述的一种防污染混药接口,其特征在于:封闭端盖(8)为由铝合金材料压制而成或由医药用聚丙烯材料一次性注塑而成的具有一个开口端和一封闭端的柱状体,柱状体的所述封闭端盖(8)通过设置在开口端的卡扣(81)或螺纹(82)与混药卡体(5)的敞开端(51)连接,并将该敞开端(51)密封。 2. The antifouling agent of claim 1 mixed interfaces claim, wherein: the closure cap (8) is made by pressing an aluminum alloy material or a pharmaceutically disposable injection molded polypropylene material having a columnar body open end and a closed end, the columnar body of the end closure (8) at the open end of the snap connection (81) or screw (82) mixed with drug card body (5) of the open end (51) by setting and the open end (51) sealed.
3.根据权利要求1所述的一种防污染混药接口,其特征在于:易折柄(4)由折柄段(42)构成,易折柄(4)通过折柄段(42)与硬双接口(2)的混药通道(22)—体成型,或通过折柄段(42)与硬双接口( 2)的混药通道(22)的末端焊接连接。 3. The antifouling agent of claim 1 mixed interfaces claim, wherein: frangible shank (4) off from the shank section (42), and frangible handle (4) by folding the handle section (42) and hard dual interface (2) mixing the drug passageway (22) - shaping end, or by folding the handle section (42) and the hard-bis interface (2) mixing the drug passageway (22) is a welded connection.
4.根据权利要求3所述的一种防污染混药接口,其特征在于:易折柄(4)的折柄段(42)在其横截面上的投影呈十字型或三个角结构。 According to claim 3, said mixing one kind of antifouling agent interfaces, wherein: frangible shank (4) off the handle section (42) has a cross-type structure, or three corners of the projection of its cross-section.
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