CN2482966Y - Cap-covering type safety and automatic blood-sampling needle - Google Patents

Cap-covering type safety and automatic blood-sampling needle Download PDF

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Publication number
CN2482966Y
CN2482966Y CN 01244520 CN01244520U CN2482966Y CN 2482966 Y CN2482966 Y CN 2482966Y CN 01244520 CN01244520 CN 01244520 CN 01244520 U CN01244520 U CN 01244520U CN 2482966 Y CN2482966 Y CN 2482966Y
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lt
needle
lancet
provided
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CN 01244520
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Chinese (zh)
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施国平
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施国平
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Abstract

A cover cap type safety automatic blood taking needle includes a shell <1>, a blood collection needle<2>, and a spring<3>. The shell<1> is provided with an ejection cavity <4>, and the blood collection needle <2> and the spring <3> are arranged at the ejection cavity <4> and is connected at the ejection direction to form an elastic sliding structure. The shell <1> is provided with a needle out hole <5> with the same ejection direction, and the blood collection needle <2> and the side direction of the shell <1> is provided with a clamping ejection structure at the spring compressing route. The utility model is characterized in that: the head of the blood collection needle <2> is provided with a protection handle sleeve <6>, and one end of the protection handle sleeve <6> is sleeved at the head part of the blood collection needle <2>, while another end thereof extends from the needle out hole <5>. The utility model is characterized in that the utility model changes the one body structure design of the former needle handle, needle cover including the needle body and the needle tip to create a new structure, which shows a new technology idea and creation, and makes construction for the technology improvement of the mini-size blood collection needle of the self-bringing ejection structure.

Description

盖帽式安全自动采血针 Acorn automatic safety lancet

本实用新型涉及一种医用采血针器件,尤其涉及一种自带弹射结构的“迷你型”一次性安全自动采血针器件。 The present invention relates to a medical lancet device, particularly to a own "mini" disposable automatic safety lancet ejection device structure.

自带弹射结构的“迷你型”采血针作为一种新结构采血工具,以其小巧、方便、快捷、安全为特色很快受到许多医护人员和病人的青睐。 Comes catapult structure of "mini" lancet structure as a new tool for blood collection, with its compact, convenient, fast, safe and will soon be featured in many health care workers and patients of all ages. 美国专利曾于1996年1月30日公告了一件名称为“采血器件(Blood Sampling Device)”,专利号为US5487748的发明专利。 US patent in 1996 January 30 announcement of a name is "blood components (Blood Sampling Device)", Patent No. US5487748 patents. 该专利以采血针器件为主题公开了一种自带弹射结构的“迷你型”采血针的技术方案,其结构主要由壳体、采血针和弹簧组成,壳体构成一个弹射腔,采血针和弹簧置于弹射腔内并在弹射方向上连接成弹性滑动结构,壳体上设有与弹射方向一致的出针孔,采血针由针体、针尖、针柄和针盖组成,针体藏在针柄中,针尖与藏在针盖中,针柄和针盖连成一体结构,针柄安置在弹射腔内,针盖为一杆件并从出针孔中伸出,针柄的侧向设有一凸起,对应的壳体侧向悬臂勾,凸起与悬臂勾配合构成卡射结构。 In this patent the lancet device is subject matter discloses a carrying structure ejection "mini" lancet technical solution, which is mainly from the shell structure, composed of the lancet and a spring, a housing constituting the ejection chamber, the blood collection needle and ejection spring cavity and disposed slidably connected to an elastic structure in ejection direction, the ejection direction consistent with pinholes, the lancet needle from the needle tip, the needle shank and needle cover compositionally housing, needle hidden in needle handle, the needle tip and hidden in the cover, the needle shank and needle cover integral structure, the needle shaft disposed in the ejection chamber, the needle cover is a pinhole member and extending from the output side of the needle shaft It is provided with a projection, corresponding to the housing laterally cantilevered hook, the hook projections with the boom structure constituting the card exit. 使用前先推进针盖压缩弹簧并促使凸起与悬臂勾锁定,接着旋转针盖迫使针盖与针柄连接处断裂分离,然后拔出针盖露出针尖即可使用。 Before use the needle cover propulsion compression spring and causes the locking projection and the cantilever hook, the needle cover is then rotated to force the needle cover and the needle shaft at the fracture separation is connected, and then pull out the needle tip cover is exposed to use. 上述技术方案结构简单、紧凑,操作方便,无疑具有较好地技术效果,但从采血针结构看还存在以下缺陷:1、针柄与针盖连成一体结构后,需要扭断后才能拔出针盖,而在旋转针盖的过程中容易造成针体松动,甚至连针体一起拔出的现象。 Above technical solution simple and compact structure, easy to operate, has undoubtedly better technical effect, but also the lancet structure see the following shortcomings: 1, with the needle cover after needle handle integral structure, it is necessary to pull out the needle after the wring cover, and in the process of rotating the needle cover in the needle likely to cause loosening, or even pull even with the needle phenomenon. 其原因是针体一般为圆柱,而针尖由许多棱角组成,尽管针盖与针尖连之间接段较短,但其摩擦力往往大于针柄与针体之间的摩擦力。 The reason is that the needle is generally cylindrical, and the angular tip composed of many, although shorter needle cover even the tip of the indirect section, but is often greater than the frictional force between the friction needle shaft and the needle body. 2、上述发生带针现象的另一个重要因素是针柄和针盖的材料和工艺,如果要保证产品质量,避免发生带针情况出现,从生产制造角度则对材料和工艺提出了更高更严的要求,相应付出更多的代价。 2, another important factor in the occurrence of the above phenomenon is with a needle and needle handle needle cover materials and processes, if you want to ensure product quality, avoid situations with a needle, from the point of view of manufacturing materials and processes a higher and more stricter requirements, the corresponding cost more.

本实用新型目的是提供一种新型盖帽式安全自动采血针。 Object of the present invention to provide a novel automatic safety lancet cap.

为达到上述目的,本实用新型采用的技术方案是:一种盖帽式安全自动采血针,包括壳体、采血针以及弹簧,壳体中设有弹射腔,采血针和弹簧置于弹射腔内并在弹射方向上连接成弹性滑动结构,壳体上设有与弹射方向一致的出针孔,采血针与壳体侧向之间在弹簧压缩路径上设有卡射结构,采血针的头部设有保护柄套,保护柄套的一端套接在采血针头部,另一端从出针孔中伸出。 To achieve the above object, the present invention uses the technical solution is: A safety cap automatic blood collection needle comprising a housing, a blood collection needle and a spring, the housing is provided with the ejection chamber, and a spring disposed lancet ejection cavity and connected to the elastic sliding structure ejection direction, the ejection direction consistent with pinholes on the housing between the housing and the lancet structure in the exit side of the card is provided on the spring compression path, the lancet head is provided a protective sleeve shank, the shank socket end of the protective sleeve projecting from the pinholes in the blood collection needle portion, the other end.

上述技术方案中,所述“柄套”有长柄和短柄两种,长柄是指采用推压柄套方式压缩弹簧并使卡射结构锁定的;短柄是指采用拉拔方式压缩弹簧并使卡射结构锁定的,其拉拔结构不是柄套,而可以是一个设在采血针尾部的拉杆。 In the above technical solution, the "handle sleeve" has a short handle and two kinds of the shank, the shank means uses the pressure lever and the spring sleeve compresses card exit lock structure; refers to the use short handle compresses the spring drawing and card exit lock structure, which structure is not pulling the handle sleeve, but may be provided in a rod end of the lancet.

上述技术方案中,所述采血针头部设有一个凸台,针尖从凸台中央伸出,柄套套在凸台上。 In the above technical solution, the blood collection needle is provided with a boss portion the needle tip projects from the central boss, the boss handle condom. 凸台可以为圆台、锥台或方台,也可以为其它结构,但该凸台必须与柄套套腔相匹配,使套接可靠而且便于拔出。 The boss can be a truncated cone, frustum, or side table, or may be other configurations, but must match the projections condom shank cavity, so that a reliable and easy to pull out the socket.

上述技术方案中,为了较好的达到保护针尖的目的,所述弹射腔的柄套外缘上设保护性凸起,出针孔上相应开有缺口,凸起顶部大于出针孔半径,小于缺口的高。 In the above technical solution, for purposes of better to protect the needle tip, provided on the outer edge of the ejection chamber of a protective sleeve shank protrusion corresponding notch open pinhole, pinholes greater than the radius of the top protrusion, is less than notch high. 装配柄套时凸起对准缺口然后从出针孔插入,将柄套套接在采血针头部,最后旋转一定角度靠凸起锁定柄套使之不可随意退出。 Align the handle assembly cutout sleeve is then inserted from the pinhole, the condom shank portion connected to the blood collection needles, and finally the rotation angle against the projection of the lock lever can not be arbitrarily set so as to exit. 为了更好的达到保护针尖的目的,这方案具体可以为:所述凸台为旋转体结构,凸起为对称设置的两条平行防脱闩,防脱闩在轴向伸出柄套端面;对应的采血针头部设有两个旋转侧挡块,两个侧挡块通过与防脱闩伸出端的接触和背离将柄套的转动限制在一个固定范围内,如限制在90°范围。 In order to better achieve the purpose of protection of the tip, which may be a program specifically: the rotating structure is a boss, the projection of two symmetrically arranged parallel to the retaining bolt, the retaining bolt extending in the axial end face of the handle sleeve; the lancet needle portion provided corresponding to two rotation side stopper, by two side stopper projecting end of the latch retaining the handle away from the contact sleeve and to limit the rotation in a fixed range, such as limiting the range of 90 °.

上述技术方案中,所述“卡射结构”是压缩弹簧后锁定和发射采血针结构的总称。 In the above technical solution, the "exit card structure" is the general term for the emission and the compression spring the locking of the lancet structure. 具体可以为以下结构:由从壳体上延伸出的弹性臂A、弹性臂B和设在采血针上的卡口组成,弹性臂A和卡口设在同一侧的对应位置上,弹性臂A与卡口配合构成锁定结构,弹性臂B作为发射结构设在壳体的另一侧,并通过横穿弹射腔的延伸段接近弹性臂A的悬臂端。 Specifically the following structure: a housing extending from the resilient arm A, B and the resilient arm is provided on the lancet bayonet composition, and bayonet A resilient arms provided at the corresponding position on the same side of the resilient arm A bayonet locking configuration cantilever end fitting structure, the resilient arm B is provided as an emitter structure on the other side of the housing, and to close by resilient arm a transverse extension of the ejection chamber. 也可以为现有技术提供的其它方案。 Other schemes may also provide the prior art.

为了使采血针弹射一次后自动失效,排除重复使用的可能性,在上述技术方案的基础上,可以增设倒勾止动结构,所述倒勾止动结构具体可以由设在采血针上的弹性臂C和设在壳体上的止动口配合构成,弹性臂C与止动口位于同侧的对应位置上,其止动方向为采血针弹射的回程方向,止动口设在回程的路径上。 In order to eject the lancet automatically expire after one, exclude the possibility of repeated use, in the above technical solution, the addition can be undercut detent, said detent barbs specifically provided by the spring on the lancet C provided on the arm and housing detents configured with the resilient arm with the stop opening C corresponding to a position located on the same side, which stop the lancet ejection direction of the backward direction, the stopper port is provided in the return path on.

本实用新型工作原理是:参见附图1,将柄套的头部对准出针孔(其中防脱闩对准缺口)插入弹射腔,柄套套接在采血针头部的凸台上,然后旋转90°,此时防脱闩的后端面离开缺口位置,正好起到防止柄套退出的作用,见附图2和附图3。 The present invention works: 1 of the drawings, the head of the handle sleeve pinholes aligned (aligned notches wherein the retaining bolt) inserted into the ejection chamber, a handle connected to the condom blood collection needles boss portion, then rotated 90 °, this time retaining the rear end face of the latch away from the gap position, just exit the sleeve serves to prevent the shank of action, see figures 2 and 3. 使用时,一只手捏住壳体,另一只手推压柄套,此时采血针在弹射腔内向后滑动同时压缩弹簧,当采血针上的卡口移动到弹性A悬臂端时,由于弹力作用悬臂端落入卡口中,从而使采血针进入锁定状态,见附图4。 When used, a pinch housing hand, the other hand the pressure lever sets, in this case the lancet ejection slide rearwardly while compressing the spring chamber, when the card moves the lancet to port A resilient cantilever end, since the elastic force of the cantilever end of the card falls within the mouth, such that the puncture needle enters the locked state, see Figure 4. 然后拔出柄套使本实用新型处于待发射状态,见附图5。 Then pull the handle sleeve of the present invention is to be transmitted state, see Figure 5. 揿压弹性臂B,其上的延伸段顶压弹性臂A,最终使弹性臂A的悬臂端脱离卡口,接着进入发射状态,此时采血针在弹簧的弹力作用下迅速冲向出针孔端,针尖穿过出针孔刺向采血部位。 B depresses the resilient arms, the resilient extension arm A top pressure thereon, and finally to the cantilevered end of the resilient arm A from the mount, and then enter the emission state, the lancet case toward the pinhole rapidly under the force of spring end of the needle tip through pinholes stabbing lancing site. 弹射过程中,弹性臂C越过止动口,但回程中由于弹性臂C的引导作用,会巧妙地插入止动口中,最终导致采血针被保护性锁定在该位置处,无法再次使用。 Ejection process, the resilient arm beyond the detents C, but due to the return action of the resilient arm C of the guide, artfully insertion stop the mouth, resulting in the lancet being locked in the protective position, it can not be used again. 为了更加安全,使用后将拔出的柄套再装回采血针上。 For additional security, will use the pull of the handle cover then put it back on the lancet.

由于上述技术方案运用,本实用新型与现有技术相比具有下列优点:1、由于本实用新型在采血针的头部设有保护柄套,保护柄套的一端套接在采血针头部,另一端从出针孔中伸出,柄套不是直接套在针尖上,而是支承针尖的凸台上,这样在旋转和拔出柄套时不会碰到针尖,既较好地保护了针尖又克服了现有技术的不足,从而获得了很好的效果。 Using the above technical solution, the present invention has the following advantages over the prior art: 1, since the head according to the present invention, in the lancet shank provided with a protective sleeve, the protective sleeve at the end of the shank socket portion blood collection needles, the other pinholes extending from one end, the handle is not directly set on the tip set, but the tip of the support boss, so that when the rotary sleeve and pull the handle will not hit the needle, the needle tip is protected both better and to overcome the deficiencies of the prior art, to obtain good results.

2、本实用新型改变了原来针柄、针盖包络针体和针尖的一体结构设计,创造出了一种全新的结构,体现了一种新的技术构思和创造性特点,为自带弹射结构的迷你型采血针器件的技术进步做出了积极贡献。 2, the present invention change the original needle handle, the needle cover is integrally packet network design and the needle tip, creating a new structure, embodies a new and inventive characteristics of the technical concept, is the structure comes catapult technological advances mini lancet device to make a positive contribution.

3、本实用新型倒勾止动结构构思巧妙,从效果上能够使采血针弹射一次后自动失效,排除了一次性采血针可重复使用的可能性,实现了真正意义上的“一次性使用”。 3, the present invention undercut detent ingenious, the effect can be made from the lancet ejector automatically expire after a single, disposable lancet ruled out reusable, to achieve a "single use" in the true sense .

4、本实用新型卡射结构新颖独特,结构设计合理,工作可靠,具有较高地实用价值。 4, the present invention is novel and unique card shot structure, reasonable structure, reliable operation, with high practical value to.

附图1为本实用新型实施例柄套与采血针处于分离状态的剖视图;附图2为本实用新型实施例柄套与采血针处于装配状态的剖视图;附图3为本实用新型实施例柄套旋转90°状态的剖视图;附图4为本实用新型实施例柄套推进采血针处于锁定状态的剖视图;附图5为本实用新型实施例拔出柄套后处于待发射状态的剖视图;附图6为本实用新型实施例弹射状态的剖视图;附图7为本实用新型实施例弹射回缩进入止动状态的剖视图;附图8为本实用新型柄套的右视图;附图9为本实用新型采血针的左视图。 BRIEF 1 is a sectional view with the new embodiment of the lancet shank sleeve in a separated state utility; Figure 2 a cross-sectional view of a new embodiment of the sleeve and the shank in the assembled state of the lancet of the present utility; Figure 3 new practical embodiment of the handle of the present a sectional view rotated by 90 ° state set; 5 a sectional view of the embodiment of the present invention the shank sleeve in the drawings pulled state to be transmitted;; invention embodiments Example lancet shank sleeve propulsion cross-sectional view in a locked state 4 is attached drawings 6 a sectional view of an embodiment invention of the present state of ejection; cross-sectional view of the stop state of the present invention of Figure 7 is retracted into the ejection embodiment; Figure 8 is a right side view of the present utility new sleeve shank; 9 present the drawings practical left view new lancet.

其中:[1]、壳体;[2]、采血针;[3]、弹簧;[4]、弹射腔;[5]、出针孔;[6]、柄套;[7]、凸台;[8]、针尖;[9]、缺口;[10]、防脱闩;[11]、侧挡块;[12]、弹性臂A;[13]、弹性臂B;[14]、卡口;[15]、弹性臂C;[16]、止动口;[17]、卡片;[18]、卡槽。 Wherein: [1] the housing; [2], lancets; [3], the spring; [4], ejection chamber; [5], pinhole; [6], the handle sleeve; [7], the boss ; [8], the tip; [9], the notch; [10], retaining the latch; [11], the side stopper; [12], the resilient arm A; [13], the resilient arm B; [14], the card mouth; [15], the resilient arm C; [16], the detents; [17], the card; [18], the card slot.

下面结合附图及实施例对本实用新型作进一步描述:实施例,参见附图1~附图9所示,一种盖帽式安全自动采血针,由壳体[1]、采血针[2]、柄套[6]和弹簧[3]组成。 In conjunction with the accompanying drawings and the following examples further describe embodiments of the present invention as: Example 1 Referring to the drawings shown in figures 9 An automatic blood collection needle safety cap, a housing [1], the lancet [2], stalk sets [6] and the spring [3] the composition.

壳体[1]分成上下两,并通过接触面上所设的孔、销结构连接成整体结构。 Housing [1] is divided into two up and down, through the aperture and the contact surface established by the pin connection structure of unitary construction. 壳体[1]中设有一个弹射腔[4],采血针[2]和弹簧[3]置于弹射腔[4]内,弹簧[3]位于采血针[2]后方,弹簧[3]的头部卡在采血针[2]尾部的卡槽[18]中,弹簧[3]的尾部卡在壳体[1]的卡片[17]上,以此在弹射方向上连接成弹性滑动结构。 The housing is provided [1] an ejection chamber [4], the lancet [2] and the spring [3] placed in ejection chamber [4], the spring [3] located lancet [2] the rear, the spring [3] the lancet head stuck in [2] the rear slot [18], springs [3] in the case of the tail section [1] card [17], the sliding structure in order to elastically connected in the ejection direction . 壳体[1]的一端设有与弹射方向一致的出针孔[5],出针孔[5]上对称开有两缺口[9]。 One end of the housing [1] is consistent with the direction of ejection is provided with pinholes [5], a symmetric [5] There are two notches pinhole opening [9]. 采血针[2]头部设有一个圆柱形凸台[7],针尖[8]从凸台[7]中央伸出,凸台[7]旁设有两个旋转侧挡块[11]。 Lancet [2] is provided with a cylindrical boss head portion [7], the tip [8] [7] extending from the central boss, the boss [7] is provided next to two rotation side stopper [11]. 柄套[6]为杆件结构,前端设有深孔,后端尾翼,前端的外缘上对称设置的两条平行防脱闩[10],其顶部大于出针孔[5]半径,小于缺口[9]的高,防脱闩[10]在轴向伸出柄套[6]端面,柄套[6]的前部穿过出针孔[5]套在凸台[7]上,两个侧挡块[11]通过与防脱闩[10]伸出端的接触和背离将柄套[6]的转动限制在90°范围内,防脱闩[10]的后端与出针孔[5]配合可以防止柄套[6]随意退出,保护柄套[6]的一端套接在采血针[2]头部,另一端从出针孔[5]中伸出。 Stalk sets [6] is provided with a rod member structure, the front end of the deep hole, the rear end of the tail, two anti-parallel arranged symmetrically on the outer periphery of the front end of the latch release [10], which is larger than the top of pinholes [5] radius, is less than notch [9] is high, retaining the latch [10] extending axially in the shank sleeve [6] end surface of the shank sleeve [6] passes through the front portion of the boss in [7] the pinhole [5] sets, two rotation side stopper [11] by retaining the latch [10] and protruding end of the contact sleeve facing away from the handle [6] is limited within a range of 90 °, retaining the latch [10] and the rear end of pinholes [5] can be prevented with the shank sleeve [6] free exit end of the handle protection sleeve [6] sleeved [2] of the head, and the other end projecting from the pinholes [5] in the lancet.

采血针[2]与壳体[1]侧向之间在弹簧压缩路径上设有卡射结构,在弹射回程路径上设有倒勾止动结构。 Lancet [2] with the housing [1] is provided between the lateral structure in the card exit path compression spring, is provided on the return path ejection undercut detent structure.

卡射结构由从壳体[1]上延伸出的弹性臂A[12]、弹性臂B[13]和设在采血针[2]上的卡口[14]组成,弹性臂A[12]和卡口[14]设在底侧的对应位置上,弹性臂A[12]与卡口[14]配合构成锁定结构,弹性臂B[13]作为发射结构设在壳体[1]顶侧,并通过两个横穿弹射腔的延伸段接近弹性臂A[12]的悬臂端,采血针[2]为偏平结构,每个延伸段位于采血针[2]的一侧形成夹持结构。 Exit card configuration by an elastic arm extending from [1] the upper case A [12], the resilient arm B [13] and the blood collection needle provided in the bayonet [2] [14] the composition of the resilient arm A [12] bayonet [14] provided at the corresponding position on the bottom side, the resilient arm a [12] and the bayonet [14] configured mating locking structure, the elastic arm B [13] as an emitter structure arranged in the housing [1] a top side and by extension a near the resilient arm traverses two ejection chambers [12] of the cantilevered end, the lancet [2] for the partial-level structure, each side extension located lancet [2] forming the gripping structure.

倒勾止动结构由设在采血针[2]上的弹性臂C[15]和设在壳体[1]上的止动口[16]配合构成,弹性臂C[15]与止动口[16]位于壳体[1]顶侧的对应位置上,其止动方向为采血针[2]弹射的回程方向,止动口[16]设在回程的路径上。 Barbed stop structure provided by the [2] on the resilient arms lancet C [15] and provided in [1] detents on the housing [16] with the configuration, the resilient arm C [15] and the detents [16] in the housing [1] corresponding to the position on the top side, which is the lancet stop direction [2] ejected backward direction, the stopper port [16] provided on the return path.

Claims (5)

  1. 1.一种盖帽式安全自动采血针,包括壳体[1]、采血针[2]以及弹簧[3],壳体[1]中设有弹射腔[4],采血针[2]和弹簧[3]置于弹射腔[4]内并在弹射方向上连接成弹性滑动结构,壳体[1]上设有与弹射方向一致的出针孔[5],采血针[2]与壳体[1]侧向之间在弹簧压缩路径上设有卡射结构,其特征在于:采血针[2]的头部设有保护柄套[6],保护柄套[6]的一端套接在采血针[2]头部,另一端从出针孔[5]中伸出。 An automatic blood collection needle safety cap, comprising a housing [1], the lancet [2] and the spring [3], the case [1] is provided in the ejection chamber [4], the lancet [2] and the spring [3] placed in ejection chamber [4] in the ejection direction and connected to the elastic sliding structure, consistent with the ejection direction of pinholes [5], the lancet [1] to the housing [2] and the housing [1] between the exit side of the card is provided on the spring compression path structure, wherein: the lancet end [2] a head provided with a protective sleeve shank [6], the protective sleeve shank [6] is sleeved lancet [2] of the head, the other end projecting pin holes [5] from the output.
  2. 2.根据权利要求1所述的采血针,其特征在于:所述采血针[2]头部设有一个凸台[7],针尖[8]从凸台[7]中央伸出,柄套[6]套在凸台[7]上。 The lancet according to claim 1, wherein: said lancet [2] is provided with a projection head portion [7], the tip [8] [7] extending from central boss sleeve shank [6] sets the boss [7].
  3. 3.根据权利要求2所述的采血针,其特征在于:所述弹射腔[4]的柄套[6]外缘上设保护性凸起,出针孔[5]上相应开有缺口[9],凸起顶部大于出针孔[5]半径,小于缺口[9]的高。 The lancet according to claim 2, wherein: said ejection chamber [4] handle cover [6] is provided on the outer edge of the protective protrusion, a notch corresponding opening [5] pinhole [ 9], the top of the protrusion is greater than pinhole [5] radius, smaller than the gap [9] high.
  4. 4.根据权利要求3所述的采血针,其特征在于:所述凸台[7]为旋转体结构,凸起为对称设置的两条平行防脱闩[10],防脱闩[10]在轴向伸出柄套[6]端面;对应的采血针[2]头部设有两个旋转侧挡块[11],两个侧挡块[11]通过与防脱闩[10]伸出端的接触和背离将柄套[6]的转动限制在一个固定范围内。 4. The lancet according to claim 3, wherein: the boss [7] of the rotating structure, the projection of two parallel anti-symmetrically arranged off the latch [10], retaining the latch [10] axially projecting shank sleeve [6] end surface; the corresponding lancets [2] is provided with two rotating head side stopper [11], two side stoppers [11] with the retaining bolt extending through [10] rotation of the end facing away from the handle and contacting sleeve [6] is limited within a fixed range.
  5. 5.根据权利要求4所述的采血针,其特征在于:所述固定范围为90°。 5. A lancet according to claim 4, wherein: said fixed range is 90 °.
CN 01244520 2001-06-25 2001-06-25 Cap-covering type safety and automatic blood-sampling needle CN2482966Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415166C (en) 2002-11-15 2008-09-03 生命扫描有限公司 Cap for a dermal tissue lancing device
CN102028480A (en) * 2010-12-21 2011-04-27 苏州施莱医疗器械有限公司 Improved safe and convenient disposable automatic blood taking needle
CN1961828B (en) 2005-11-11 2011-07-27 上海宝尔生贸易有限公司分公司 Pen cap type blood taking needle
CN103371832A (en) * 2012-04-26 2013-10-30 上海宝尔生贸易有限公司 Disposable blood taking needle
CN103637809A (en) * 2007-03-07 2014-03-19 贝克顿·迪金森公司 Needle assembly and blood collection assembly
CN103919562A (en) * 2014-05-04 2014-07-16 天津华鸿科技有限公司 Blood taking needle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415166C (en) 2002-11-15 2008-09-03 生命扫描有限公司 Cap for a dermal tissue lancing device
CN1961828B (en) 2005-11-11 2011-07-27 上海宝尔生贸易有限公司分公司 Pen cap type blood taking needle
CN103637809A (en) * 2007-03-07 2014-03-19 贝克顿·迪金森公司 Needle assembly and blood collection assembly
CN105455827A (en) * 2007-03-07 2016-04-06 贝克顿·迪金森公司 Safety blood collection assembly with indicator
CN103637809B (en) * 2007-03-07 2017-04-12 贝克顿·迪金森公司 Needle assembly and blood collection assembly
CN102028480A (en) * 2010-12-21 2011-04-27 苏州施莱医疗器械有限公司 Improved safe and convenient disposable automatic blood taking needle
CN103371832A (en) * 2012-04-26 2013-10-30 上海宝尔生贸易有限公司 Disposable blood taking needle
CN103919562A (en) * 2014-05-04 2014-07-16 天津华鸿科技有限公司 Blood taking needle
CN103919562B (en) * 2014-05-04 2016-04-20 天津华鸿科技有限公司 One kind lancet

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