CN102188761B - One kind of the positive pressure valve Pachysolen - Google Patents

One kind of the positive pressure valve Pachysolen Download PDF

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CN102188761B
CN102188761B CN201110060313.2A CN201110060313A CN102188761B CN 102188761 B CN102188761 B CN 102188761B CN 201110060313 A CN201110060313 A CN 201110060313A CN 102188761 B CN102188761 B CN 102188761B
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balloon
tube
space
clip
2a
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CN201110060313.2A
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CN102188761A (en
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张亚根
王玉峰
郭艳
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张亚根
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Abstract

本发明由前导管、管囊、卡子和后导管组成,其特征是:前后导管分别粘接在管囊两端的出口上,管囊置于卡子围合的内空间中;在液体输注过程中本发明被置于留置的管路上,当输液完成并拔除与留置部分的连接后,用手挤压卡子,使卡子上的凸舌与卡扣发生卡合,同时,卡子上的两个向其内空间突出的压板将迫使管囊上球囊的内空间变小直至其内空间被挤断,此时,球囊中的液体将流向治疗方向而形成正压。 The present invention consists of front duct, the balloon tube, and a rear clip catheters, wherein: longitudinal catheter balloon are bonded to the outlet ends of the tube, the balloon tube positioned within the enclosed space of the clip; the liquid during infusion the present invention is placed indwelling pipeline, when the infusion is completed and removal of the connecting portion after placement, the clip squeezed by hand, so that the tab on the catch with the catch engagement occurs, simultaneously, the two clips thereto the space will force the platen protruding into the space balloon on the balloon tube becomes smaller until it is pushed off the inner space, at this time, the liquid in the balloon will flow direction of a positive pressure therapy. 当再次使用时,只需打开卡子,球囊在自身弹性的作用下将自动恢复输液管路的畅通。 When used again, simply open the clip, the balloon under its own elasticity will automatically restore flow of the infusion line.

Description

一种正压管囊阀 One kind of the positive pressure valve Pachysolen

技术领域 FIELD

[0001] 本发明涉及一种液体输注用管囊阀,尤其是一种用于医疗目的可产生正压、防止静脉血回流的一种正压管囊阀。 [0001] The present invention relates to a liquid infusion tube balloon valve, in particular for medical purposes may be a positive pressure, a positive pressure to prevent venous return valve Pachysolen.

背景技术 Background technique

[0002]目前,在静脉输液治疗过程中,因疾病情况或病人本身条件的限制,常需长期反复输液治疗,或是在输液过程中需多次临时将药液加注到输液管道中,进入人体血管达到治疗疾病的目的;为减少对病人浅表静脉血管的破坏,也为减轻病人的痛苦和减轻医护人员劳动强度,此情况多是在静脉输液器的管道中串接三通管及肝素帽的结构,用于对疾病期间需长期输液治疗的过程中。 [0002] Currently, the intravenous infusion of treatment, disease condition due to restrictions or the patient's own conditions, which require long-term repeated infusion therapy, or during the infusion to be repeated temporarily raised to an infusion liquid conduit, into the blood vessels to achieve the purpose of treating disease; a patient to reduce damage to the superficial veins, but also to alleviate the suffering of the patients and medical staff reduce labor intensity, this is a multi-series tee heparin intravenous infusion in the conduit structure of the cap for the disease requires long-term process during infusion therapy. 其方案是将肝素帽(密封橡胶)与静脉留置针配合构成固定的可被针管穿刺实现开启/拔除针管实现关闭的静脉输液通道。 Its program is heparin cap (seal rubber) with intravenous catheter with needle puncture may be implemented constituting a fixed opening / closing of the removal of the needle tube to achieve intravenous access. 但上述技术存在一定的缺陷和不足:每次使用前要对肝素帽上的待穿刺橡胶密封帽局部消毒,并要用注射针穿刺肝素帽胶塞后与输液管连通,方能把药液通过穿刺针管进入输液管内,操作麻烦且有被针刺伤的危险;临床中,还常因某些疾病(如血友病、或凝血机制障碍),使病人不能使用肝素等抗凝剂而使该肝素帽对输液管及留置针的封闭方式受到限制;因肝素帽中并没有肝素钠等抗凝剂,在输注药液,治疗结束后,需要医护人员再用注射器及注射针穿刺肝素帽向输液管内加注一定量的抗凝剂,防止血液回流造成的输液管及留置针栓堵,这使医护人员的操作更加烦琐和不便;也由此操作,该橡胶密封帽命名为肝素帽;通过该肝素帽注射肝素钠的抗凝操作行为称为封管。 However, the above technique has some defects and deficiencies: per puncture prior to use until the rubber seal cap local disinfection on heparin cap pair and communicating with the injection needle infusion tube after use heparin cap plug, in order to pass liquid the puncture needle into the infusion tube, the operation is troublesome and there is a risk of needlestick injury; clinical also often due to certain diseases (such as hemophilia, or coagulation disorders), so that the patient can not be used so that the anticoagulant heparin heparin cap closure is limited embodiment of an infusion tube and catheter; heparin cap and not due to other anticoagulants heparin in the infusion liquid, after treatment, medical personnel need to reuse the syringe and injection needle to heparin cap filling amount of the anticoagulant infusion tube, an infusion tube and catheter to prevent the bolt blocking caused by blood reflux, which makes health care more cumbersome and inconvenient operation; also this operation, the rubber sealing cap named heparin cap; by the heparin anticoagulant heparin cap injection behavior is known as sealed tube operation.

[0003] 综上所述,一次性使用输液器的加药组件及对静脉留置针的封管方式需要进行改进。 [0003] In summary, disposable infusion dosing intravenous catheter assembly and to seal the tube needs to be improved manner. 本人在CN200610007910.8中公开了一种直立形的活塞构成的上下液体腔室及液体通道与气体通道并列方式的具有正压防液体/血液回流的接头阀技术方案,其主要特征是:液体环绕活塞与底座深入壳体内周,并经底座侧孔进入底座中心孔,再进入输液管;而活塞内的压缩空气经底座中心与液体通道并列的另一管腔经另一侧孔导出外界;本人在CN200610103369.0中,公开了另一种实现无针连接及拔除连接后自动封闭、产生正压,防止血液回流的接头阀方案,其特征是:在构成接头的外壳中,轴向设置一有多个侧孔的前端封闭的管,管的下端与接口的出液孔连通;在管的外周套装有一橡胶囊,囊的顶端加厚,且中心有一圆孔与管壁滑动密封,橡胶囊与管壁之间有一在压力作用下可向外扩张的四爪弹性支架。 I discloses a vertically upstanding shaped liquid chamber and the liquid passage constituting the gas passage of the piston in a parallel manner in the joint valve CN200610007910.8 solution has a liquid-proof pressure / blood reflux, which is mainly characterized in that: the liquid surrounding the inner periphery of the piston and the housing base depth, and into the central bore of the base side through hole of the base, then into the infusion tube; and the other lumen through the other side of the center of the base compressed air bore in the piston with the liquid passage outside deriving parallel; I in CN200610103369.0 discloses another automatic closure after removal needleless connector and connected to generate pressure to prevent backflow of blood joint valve embodiment, characterized in that: the housing constituting the joint, there is an axially a plurality of side holes with closed tube, the lower end of the liquid inlet pipe communicating with the interface; a rubber balloon of the outer periphery of the sheathing tube, the balloon tip thick, and has a circular wall with a sliding seal, a rubber bladder and under a pressure of four claws outwardly expandable stent between the elastic wall. 用液体插头与接口进行插接,压力将橡胶囊前端向外壳内压缩,使支架扩张,囊被动扩张,容积增大,液体经管壁侧孔进入囊内并向输液器管道输送,输液结束后,拔除输液插头,压力释放,橡胶囊向上复位,封闭管壁上侧孔,橡胶囊迅速回弹复位,使囊内液体经管壁下侧孔向出液管方向迅速流出,实现正压作用。 After the connectors are plug and with a liquid, the pressure of the rubber bladder shell outwardly distal compression, expansion of the stent, the balloon passive expansion, increasing the volume of the liquid through the hole into the side wall of the capsule and the infusion delivery conduit, the end of the infusion , removal of the plug infusion pressure release, the rubber balloon up reset, a closed side wall of the hole, the rubber balloon rebound quickly reset the cyst fluid outflow hole side direction quickly to the catheter, to achieve positive pressure through the pipe wall.

[0004] ICU 医学有限公司在CN97181779.0 及CN200410076931.6 和CN200610100685.2中公开了同种正压流动阀的技术方案,其特征是:在一个可接受ANSI标准接头的开口的内腔中,设一弹性密封硅胶塞并与开口密切配合,塞的中间有缝隙,在外力压迫下可开放,使ANSI接头中流体进入内腔中的液体腔中,该腔在外力压迫下可扩展,在外力去除后,可收缩将液体压迫向出液管方向,避免血液回流形成栓堵。 [0004] ICU Medical, Inc. discloses a positive pressure flow through the valve isotype aspect in CN97181779.0 and CN200410076931.6 and CN200610100685.2, characterized in that: in a pharmaceutically ANSI standard connector opening of the lumen, a resilient seal disposed closely with a silica gel plug and the opening, the intermediate stopper slit may open under external pressure, so that the fluid enters the joint ANSI lumen liquid chamber, the chamber may extend in external pressure, the external force after removal of the collapsible liquid outlet pipe to the compression direction, to avoid the formation of blood backflow blocking plug.

[0005] 以上技术方案都是基于无针连接的正压实现方案,其共同不足就是存在微生物侵入的危险,同时还有结构复杂的因素。 [0005] Based on the above technical solution is pressure needle-free connection scheme, the common shortcoming is the danger of microbial invasion, as well as complex structural factors.

[0006] 本发明提出了一种新的可避免上述不足的方案,不仅可以实现正压,而且还可以免除微生物侵入的危险,同时还具有结构简单、操作方便的特点。 [0006] The present invention proposes a new solution avoids these shortcomings, only a positive pressure can be achieved, but also can remove the risk of microbial invasion, but also has a simple structure, easy to operate features.

发明内容 SUMMARY

[0007] 本发明的目的在于提供一种新的具有正压功能的液体输注用管囊阀。 [0007] The object of the present invention to provide a novel liquid pressure function with bladder infusion tube valve.

[0008] 本发明由前导管、管囊、卡子和后导管组成,其特征是:前后导管分别粘接在管囊两端的出口上,管囊置于卡子围合的内空间中;在液体输注过程中本发明被置于留置的管路上,当输液完成并拔除与留置部分的连接后,用手挤压卡子,使卡子上的凸舌与卡扣发生卡合,同时,卡子上的两个向其内空间突出的压板将迫使管囊上球囊的内空间变小直至其内空间被挤断,此时,球囊中的液体将流向治疗方向而形成正压。 [0008] The present invention from the front duct, the balloon tube, and a rear clip catheters, wherein: longitudinal catheter balloon are bonded to the outlet ends of the tube, the balloon tube positioned within the enclosed space of the clip; liquid output after the injection process of the present invention is placed indwelling pipeline, when the infusion is completed and removal of the indwelling portion of the connection, the clip squeezed by hand, so that the tabs on the clip snap engagement occurs, simultaneously, the two clips a platen thereto projecting space will force the inner space of the balloon on the balloon tube becomes smaller until it is pushed off the inner space, at this time, the liquid in the balloon will flow direction of a positive pressure therapy. 当再次使用时,只需打开卡子,球囊在自身弹性的作用下将自动恢复输液管路的畅通; When used again, simply open the clip, the balloon under its own elasticity will automatically restore flow infusion line;

[0009] 又,上述本发明中的卡子还可以是由卡座和推轮构成,其特征是:推轮可以安装在卡座上并能够在卡座上前后推动,管囊处于卡座和推轮之间,同时被置于卡座的内空间中;在液体输注过程中本发明被置于留置的管路上,当输液完成并拔除与留置部分的连接后,用手推动推轮,使卡座与推轮之间的管囊上球囊的内空间变小直至其内空间被挤断,此时,球囊中的液体将流向治疗方向而形成正压。 [0009] Further, in the clip of the present invention may also be composed of a cartridge and a jog wheel, characterized in that: the impeller wheel may be mounted on the card holder and the card holder can be pushed in front and rear, and the cartridge is pushed Pachysolen between the wheels, while being placed in a space in the cartridge; liquid during infusion catheter of the present invention is placed in the pipeline, and when complete removal of the infusion portion of the catheter is connected with hand wheel pushing the push, so that between the deck and the wheel push the balloon on the balloon tube inner space of the inner space is reduced until pushed off, this time, the liquid in the balloon will flow direction of a positive pressure therapy. 当再次使用时,只需向另一个方向推动推轮,球囊在自身弹性的作用下将自动恢复输液管路的畅通。 When used again, simply pushing the push wheel in the other direction, under the effect of its own elastic balloon will automatically restore flow of the infusion line.

[0010] 上述的一种正压管囊阀,在静脉输液治疗过程中将不改变临床操作规程且有以下优点: [0010] The valve is a pressure bladder tube, does not change in a clinical protocol and intravenous infusion treatment has the following advantages:

[0011] •结构清晰、构造简单,在传统留置针管路的基础上仅仅增加了一个弹性管囊就实现了留置针的正压提供。 [0011] • clear structure and simple structure, based on a conventional indwelling needle line only increases the elastic tube a balloon catheter to achieve a positive pressure is provided.

[0012] 籲操作简单,只需在输液完成后按下卡子就可完成工作预期。 [0012] Calls simple operation, just by pressing in clip after completion of the infusion can be expected to complete the work.

[0013] 籲由于在提供正压的过程中已经将留置针的留置管路挤断成两部分,所以与血液连通的非生物管段的空间变小了,同时也减轻了血液的压力波动(血压)对此非生物管段内液体的非预期交换的能力,从而更利于无肝素封管的安全性。 [0013] Since the process Calls positive pressure in the indwelling catheter has been broken into two parts, extruded pipe, the pipe section space abiotic communication with the smaller blood, but also reduce the pressure fluctuations of blood (blood pressure ) capability within this non-biological liquid pipe unintended exchange, and thus more conducive to the safety of non-heparin lock.

[0014] 由于本发明的一种正压管囊阀采用了囊管内容积变化的方法来实现正压的提供,是突破现存所有技术方案的创新方案,使用本发明的留置输液系统将具有无肝素封管、封管安全性高、免微生物侵入、操作便捷等优点,使用本发明技术生产的留置针将是技术进步、生产力发展的方向。 [0014] pipe pressure bladder due to one valve of the present invention employs a method of bladder volume change of the tube to achieve a positive pressure, all existing solutions breakthrough innovation aspect, the present invention is the use of indwelling infusion system having no heparin sealed tube, sealed tube safe, free microbial invasion, convenient operation, etc., using the techniques of the present invention for producing the indwelling needle of technological progress, the direction of development of productivity.

附图说明 BRIEF DESCRIPTION

[0015] 图1是本发明的组装结构示意图 [0015] FIG. 1 is a schematic view of the assembled structure of the present invention

[0016] 图2是本发明的功能构造剖面图 [0016] FIG. 2 is a functional configuration of a cross-sectional view of the invention

[0017]图3是本发明另一典型实施例的功能构造剖面图 [0017] FIG. 3 is a cross-sectional view showing a functional configuration of another exemplary embodiment of the present invention,

具体实施方式 Detailed ways

[0018] 为了更好的理解本发明的技术方案,结合附图对本发明进行详细的说明。 [0018] In order to better understand the technical solutions of the present invention, in conjunction with the accompanying drawings of the present invention will be described in detail.

[0019] 图1是本发明的组装结构示意图,由本图可知:本发明的一种正压管囊阀由前导管1、管囊2、卡子3和后导管4组成,其中:前导管I和后导管4粘接在管囊2两端的出口上,管囊2被置于卡子3围合的内空间中;管囊2为中部有向外突起的球囊2A的管段,球囊2A的内空间大于连接用穿刺针或插头的体积,管囊2由医用弹性材料制成;卡子3为一连续弯折的近似“8 ”字形的非封闭的薄板,在“8 ”字形的中部有对称的向内突出的压板3A,在“8”字形的上下两端有孔3D,在薄板端部分别设有凸舌3C和卡扣3B。 [0019] FIG. 1 is a schematic view of the assembly of the present invention, can be seen from the figure: one kind of the positive pressure valve of the present invention, the balloon tube by the front duct 1, the balloon tube 2, the clip 3 and the rear conduit 4, where: front duct and I after the catheter tube 4 is bonded to the outlet ends of the balloon 2, the balloon tube 2 is placed in a space enclosed by the catch 3; bag 2 to the central pipe has an outwardly projecting tubular section 2A of the balloon, the inner balloon 2A is greater than the volume of the space connected to the puncture needle or the plug 2 is made of a medical balloon tube of elastic material; clip 3 is a continuous bent approximately "8" sheet-shaped non-closed, in the middle of "8" shape with a symmetrical inwardly projecting platen. 3A, upper and lower ends, "8" -shaped hole 3D, 3C respectively provided with tongue and buckle in the sheet end portion 3B.

[0020] 图2是本发明的功能构造剖面图,由本图可知:在液体输注过程中本发明被置于留置的管路上,其中,前导管I与后导管4从卡子3上的孔3D通过,孔3D的直径小于管囊2两端管的直径,管囊2被置于卡子3的内空间中不能随意移出,当输液完成并拔除与留置部分的连接(可以是穿刺针,也可以是插头)后,用手挤压卡子3,使卡子3上的凸舌3C与卡扣3B发生卡合,同时,卡子3上的两个压板3A将迫使管囊2上球囊2A的内空间变小直至其内空间被挤断,此时,球囊2A中的液体将流向治疗方向而形成正压。 [0020] FIG. 2 is a functional configuration of a cross-sectional view of the invention, seen from the figure: In the process of the present invention the liquid infusion catheter is placed in the pipeline, wherein the front duct and the rear duct I 4 from the hole in the 3D clip 3 through holes 3D balloon diameter smaller than the diameter of the tube ends of the tube 2, the tube 2 is placed in a space capsule clip 3 can not be arbitrarily removed when the infusion is completed and connected to the removal of the indwelling portion (puncture needle may be, may be the plug), the hand squeeze the clip 3, the clip so that the tab snap 3B and 3C 3 on occurrence of engagement, while the catches on the two platens 3 3A balloon tube will force the inner space 2A of the balloon 2 its inner space becomes smaller until pushed off, this time, the liquid will flow to the balloon 2A treating a positive pressure direction. 当再次使用时,只需使卡子3上的凸舌3C与卡扣3B之间的卡合打开,球囊2A在自身弹性的作用下将自动恢复输液管路的畅通。 When used again, so that only the engagement between the clip with the catch tabs 3B 3C on the opening 3 together, the balloon 2A under its own elasticity will automatically restore flow of the infusion line.

[0021] 图3是本发明另一典型实施例的功能构造剖面图,由本图可知:本发明还可以由前导管1、管囊2、卡座3F、推轮3E和后导管4组成,其中:前导管I和后导管4分别粘接在管囊2两端的出口上,管囊2置于卡座3F围合的内空间中,推轮3E安装在卡座3F上并将管囊2夹在其中,卡座3F呈斜体状;在液体输注过程中本发明被置于留置的管路上,当输液完成并拔除与留置部分的连接后,用手推动推轮3E,使卡座3F与推轮3E之间的管囊2上球囊2A的内空间变小直至其内空间被挤断,此时,球囊2A中的液体将流向治疗方向而形成正压。 [0021] FIG. 3 is a cross-sectional view showing a functional configuration of another exemplary embodiment of the present invention, can be seen from this figure: the invention may also be made before the catheter 1, the balloon tube 2, deck 3F, 3E impeller wheel 4 and a rear duct, where : front duct and the rear duct 4 I are bonded to the outlet pipe 2 at both ends of the balloon, the balloon tube 2 is placed in the space enclosed by the cartridge 3F, 3E impeller wheel mounted on the cartridge and the tube bag 2 is sandwiched 3F in which the cartridge-like 3F was italics; the liquid during infusion catheter of the present invention is placed in the pipeline, when the infusion is completed and removal of the indwelling portion of the connecting hand wheel pushing the push 3E, 3F and that the deck Pachysolen between impeller wheel 3E space 2A of the balloon 2 on its inner space becomes smaller until pushed off, this time, the liquid will flow to the balloon. 2A treating a positive pressure direction. 当再次使用时,只需向另一个方向推动推轮3E,球囊2A在自身弹性的作用下将自动恢复输液管路的畅通。 When used again, simply pushing the push 3E wheel in the other direction, the balloon 2A under its own elasticity will automatically restore flow of the infusion line.

[0022] 此时,就可以再次开始输液治疗了,在输液完毕后,依然可以使用上述方法来实现正压的提供,而避免了肝素的使用,减轻了医护人员的劳动强度。 [0022] In this case, treatment can begin again the infusion, after the infusion is completed, positive pressure can still be achieved using the method described above, and avoids the use of heparin, reducing the labor intensity of health care.

Claims (6)

1.一种正压管囊阀,由前导管(1)、管囊(2)、卡子(3)和后导管⑷组成,其中:前导管(I)和后导管(4)粘接在管囊(2)两端的出口上,管囊(2)被置于卡子(3)围合的内空间中; 管囊(2)为中部有向外突起的球囊(2A)的管段,管囊(2)由医用弹性材料制成,球囊(2A)的内空间大于连接用穿刺针或插头的体积; 卡子(3)为一连续弯折的近似“8”字形的非封闭的薄板,在“8”字形的中部有对称的向内突出的压板(3A),在“8”字形的上下两端有孔(3D),在薄板端部分别设有凸舌(3C)和卡扣(3B); 或者,卡子(3)是由卡座(3F)和推轮(3E)构成,管囊(2)处于卡座(3F)和推轮(3E)之间,同时被置于卡座(3F)的内空间中,推轮(3E)可以安装在卡座(3F)上并能够在卡座(3F)上前后推动。 A bladder valve tube pressure, by the first conduit (1), the balloon tube (2), the clip (3) and the rear conduit ⑷ composition, wherein: the front duct (I) and the conduit (4) is bonded to the tube bladder outlet (2) at both ends of the tube bag (2) is disposed in a space enclosed by the clip in (3); bladder tube (2) has a central outwardly projecting balloon (2A) of the pipe section, Pachysolen (2) is made of an elastic material, a medical balloon (2A) larger than the volume of the space is connected with a needle or plug; clip (3) is a continuous bent approximately "8" sheet non-closed shape, in "8" shape with a central symmetrical inwardly projecting platen (3A), the upper and lower ends, "8" shape with a hole (3D), respectively provided with tabs (3C) and a snap (3B at the end portion of the sheet ); or clip (3) is composed of a cartridge (3F) and push the wheel (3E), the balloon tube (2) is between the deck (3F) and push the wheel (3E), while being placed on deck ( space 3F), the pushing wheel (3E) may be mounted on the card holder (3F) and can be pushed in front and rear (3F) deck.
2.根据权利要求1所述的一种正压管囊阀,其特征为:管囊(2)上的前导管(I)与后导管⑷从卡子⑶上的孔(3D)通过,孔(3D)的直径小于管囊(2)两端管的直径,管囊(2)被置于卡子(3)的内空间中不能随意移出。 2. The bladder pressure pipe valve of claim 1, wherein the claim: balloon before the catheter tube (I) in the (2) and the rear conduit ⑷ through the hole (3D) on the clamp ⑶, hole ( 3D) is smaller than the diameter of the balloon tube (2) diameter of the ends of the tube, the balloon tube (2) is disposed in the catch space (3) can not be removed arbitrarily.
3.根据权利要求1所述的一种正压管囊阀,其特征为:当卡子(3)上的凸舌(3C)与卡扣(3B)发生卡合时,卡子(3)上的两个压板(3A)将迫使管囊(2)上球囊(2A)的内空间变小直至其内空间被挤断,此时,球囊(2A)中的液体将流向治疗方向而形成正压。 3. According to one of the pressure balloon tube valve according to claim 1, wherein: when the clip tab (3C) on (3) a snap (3B) is engaged with the upper hook (3) two platens (3A) will force the balloon tube (2) on the balloon (2A) in a space which is small in the space until pushed off, this time, the liquid balloon (2A) in the flow direction to form a positive therapeutic pressure.
4.根据权利要求1所述的一种正压管囊阀,其特征为:当推轮(3E)在卡座(3F)上向前推动时,可以迫使管囊(2)上球囊(2A)的内空间变小直至其内空间被挤断,此时,球囊(2A)中的液体将流向治疗方向而形成正压。 4. A bladder valve according to one of the pressure tube as claimed in claim 1, wherein: when the pressing wheel (3E) push forward on the deck (3F), the bladder may force the tube (2) on the balloon ( 2A) in a space which is small in the space until pushed off, this time, the liquid balloon (2A) in the flow direction of a positive pressure therapy.
5.根据权利要求1所述的一种正压管囊阀,其特征为:当卡子(3)上的凸舌(3C)与卡扣(3B)之间的卡被打开合时,管囊(2)上球囊(2A)将在自身弹性回复力的作用下自动恢复输液管路的畅通。 5. According to a bladder pressure pipe valve of claim 1, wherein the claim: When the engagement between the catch tab (3C) on (3) with the catch (3B) is opened timely, Pachysolen (2) on the balloon (2A) will automatically restore flow infusion line under its own elastic restoring force.
6.根据权利要求1所述的一种正压管囊阀,其特征为:当推轮(3E)在卡座(3F)上向回推动时,管囊(2)上球囊(2A)将在自身弹性回复力的作用下自动恢复输液管路的畅通。 6. A bladder valve according to one of the pressure tube as claimed in claim 1, wherein: when the pressing wheel (3E) pushed back in the cartridge (3F), the balloon tube (2) on the balloon (2A) automatically restore flow infusion line under its own elastic restoring force.
CN201110060313.2A 2011-03-14 2011-03-14 One kind of the positive pressure valve Pachysolen CN102188761B (en)

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CN104922760B (en) * 2015-06-24 2018-03-20 湛江健力源医疗用品有限公司 Indwelling needle having a flow regulator
CN104922761B (en) * 2015-06-24 2018-03-20 湛江健力源医疗用品有限公司 Bis indwelling needle having a catheter

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CN201492755U (en) * 2009-09-22 2010-06-02 侯莉莎 Non-blood return remaining needle
CN201492738U (en) * 2009-09-22 2010-06-02 侯莉莎 Transfusion device with flexible pressure-resisting tube

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CN101111284A (en) * 2005-02-02 2008-01-23 弗雷森纽斯医疗护理德国有限责任公司 Hose clamp
CN201179243Y (en) * 2008-04-10 2009-01-14 华 姜 Flow regulator
CN201279324Y (en) * 2008-11-04 2009-07-29 陈庆强 Transfusion catheter adjuster capable of preventing bubble generation
CN201492755U (en) * 2009-09-22 2010-06-02 侯莉莎 Non-blood return remaining needle
CN201492738U (en) * 2009-09-22 2010-06-02 侯莉莎 Transfusion device with flexible pressure-resisting tube

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