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CN103908711A - Puncture combined-type syringe - Google Patents

Puncture combined-type syringe Download PDF

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Publication number
CN103908711A
CN103908711A CN 201410147182 CN201410147182A CN103908711A CN 103908711 A CN103908711 A CN 103908711A CN 201410147182 CN201410147182 CN 201410147182 CN 201410147182 A CN201410147182 A CN 201410147182A CN 103908711 A CN103908711 A CN 103908711A
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needle
barrel
combined
type
syringe
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CN 201410147182
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Chinese (zh)
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CN103908711B (en )
Inventor
林新颖
祁亚峰
邹忠东
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林新颖
祁亚峰
邹忠东
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Abstract

The invention relates to a puncture combined-type syringe which comprises a needle barrel, a needle seat, a piston, a limiting component and a control member controlling the piston to slide in a barrel cavity of the needle barrel under the action of an external force. The needle barrel is a hollow pipe with an opening in the upper end and a liquid outlet arranged in the lower end, the needle seat used for mounting of an injection needle is connected with the liquid outlet, the control member is a puncturing needle, the piston is positioned in the barrel cavity of the needle barrel and comprises a sealing plug portion and a piston rod, and the limiting component is arranged on the piston, and when the external force acts on the puncturing needle to control the piston to slide to the opening in the upper end of the needle barrel, the limiting component is clamped to the edge of the opening in the upper end of the needle barrel or in a notch arranged in an upper-portion barrel wall of the needle barrel.. The puncture combined-type syringe has the advantages that the puncture combined-type syringe is simple in structure, convenient to carry and multipurpose; the puncture combined-type syringe is convenient and quick to operate, all operations can be completed by a single hand of a user, and the puncture combined-type syringe can be used in special environments such as military operations, navigation and aerospace and field working.

Description

可穿刺组合型注射器 Combined syringe can puncture

技术领域 FIELD

[0001] 本发明涉及一种可穿刺组合型注射器。 [0001] The present invention relates to a combination syringe puncture.

背景技术 Background technique

[0002] 随着临床的需要和科学技术的发展,注射器技术呈现出蓬勃发展的态势,不同类型的注射器已相继问世。 [0002] With the development of clinical needs and science and technology, technical syringe showing a booming trend, different types of syringes have been one after another. 但是这些注射器大多只能起到注射或者改装后起到负压引流的作用,而在某些紧急情况下如军队作战、航海航天、野外作业等医疗设备匮乏的情况下,往往还需要穿刺针、负压引流等装备,这样医生就必须携带多种医疗器件出诊,给出诊带来了很大的不便,虽然传统的注射器,也可以用于负压引流,但是,因为传统注射器的活塞杆太长,用起来不方便,且不便于携带。 But most of these syringe injection or play can only play the role of negative pressure drainage after modification, and in some emergency situations, such as military operations, at the lack of maritime space, field operations and other medical equipment cases, often also need needle, suction drainage and other equipment so that the doctor must carry a variety of medical devices visits, visits to bring a lot of inconvenience, although conventional syringe can also be used for drainage, however, because the conventional syringe piston rod is too long , inconvenient to use, and not easy to carry. 为此,需要设计出一种结构简单、携带方便、操作便捷且能实现多种用途的组合型注射器,该组合型注射器可应用于军队野战救护、航海航天医疗、野外救护等多方面装备配置。 To this end, it is necessary to design a simple, easy to carry, easy to operate and can achieve a combination of multi-purpose type syringe, the syringe can be used in combination army field ambulance, sailing aerospace medical, rescue and many other outdoor equipment configuration.

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种结构简单、携带方便、操作便捷且能实现多种用途的可穿刺组合型注射器。 [0003] The object of the present invention is to provide a simple structure, easy to carry, easy to operate and can achieve a variety of uses in combination syringe puncture.

[0004] 本发明的目的通过如下技术方案实现:一种可穿刺组合型注射器,其特征在于:它包括针筒、针座、活塞、限位组件以及在外力作用下控制活塞在针筒筒腔内滑动的控制件,所述的针筒为上端开口、下端设有出液口的中空管体,用于安装注射针的针座与出液口连接; [0004] The object of the present invention is achieved by the following technical solutions: A combination of puncture-type injector, characterized in that: it comprises a syringe barrel chamber syringe, the needle hub, the piston, the stopper assembly an external force and a control piston sliding the control member, an upper end opening of the syringe, the lower end of the hollow tube is provided with a liquid inlet, for mounting the injection needle connected to the needle hub fluid outlet;

[0005] 所述的控制件为穿刺针,所述的穿刺针包括针尖和针体,针体的底端与针尖连接,且针体靠近针尖处的侧壁上设有螺纹; Control member according to [0005] of the puncture needle, the puncture needle comprises a needle tip and the bottom end of the needle, the needle is connected, and the needle body close to the side wall provided with a thread at the needle tip;

[0006] 所述的活塞位于针筒的筒腔内,活塞包括密封塞部以及活塞杆,所述的密封塞部的横截面直径与针筒的筒腔的内直径大小相匹配,所述的活塞杆的底端与密封塞部的上端面连接,活塞杆的中心设有可供穿刺针旋入的螺纹孔,螺纹孔从活塞杆的上端面开始,沿活塞杆径向向下延伸; [0006] The syringe piston located in a cylindrical chamber, a piston and a piston rod comprising a sealing plug portion, the inner diameter of the barrel chamber cross-sectional diameter of the barrel portion of the sealing plug is matched, according to the bottom end of the sealing plug portion of an end surface of the piston rod, the piston rod is provided with a central threaded hole for the puncture needle is screwed into the threaded bore starts from the end surface of the piston rod, the piston rod extends downwardly along the radial direction;

[0007] 所述的限位组件设置于活塞上,且当外力作用于穿刺针控制活塞滑动到针筒的上端开口处时,限位组件卡在针筒上端开口的边沿或者针筒上部分筒壁上设有的槽口。 Limiting component [0007] The setting on the piston, and when the upper end of an external force to the control piston sliding in a syringe needle opening, the rim or stop assembly card in the syringe barrel upper end opening of the barrel portion with the wall of the notch.

[0008] 较之现有技术而言,本发明的优点在于:(I)本发明结构简单,且因为本发明的穿刺针与活塞是可分离的,所以本发明还有携带方便的优点。 [0008] Compared with the prior art, the advantages of the present invention is: (I) of the present invention is simple in structure, and since the puncture needle of the present invention, the piston is detachable, the present invention also has the advantages of convenient carrying. (2)本发明在实施传统注射器的注射作用时,与传统注射器一样只需控制活塞在针筒筒腔内运动;本发明在实施穿刺功能时,只需将穿刺针从螺纹孔中旋出,便可以用于穿刺;本发明在实施负压引流作用时,只需将穿刺针旋入螺纹孔中,然后将与针筒出液口连接的针座插入到安装与患者身上的引流管中,然后人为用力控制活塞运动到针筒上端开口处,通过限位组件的作用将活塞卡在针筒上端开口或针筒上端筒壁,然后移除穿刺针,此时该装置便可以作为一个负压引流器,因此本发明能实现多种用途。 (2) In the practice of the present invention, the role of traditional injection syringes, just as with the conventional syringe barrel control movement of the piston in the cylinder chamber; embodiment of the present invention, when the piercing function, the puncture needle simply unscrewed from the threaded bore, can for puncturing; embodiment of the present invention, when the suction drainage effect, only the puncture needle is screwed into the screw hole, and then the holder with the syringe needle was inserted into the mounting port connected with drainage pipe in the patient, and then artificially force controlling movement of the piston to the upper end opening of the barrel by the action of the stop assembly the syringe plunger snaps open at the upper end or the upper end of the syringe barrel wall, the needle is then removed, at which point the device can as a vacuum-assisted Therefore the present invention enables a variety of uses. (3)本发明操作便捷,患者用单手即可完成全部操作,能够用于军队作战、航海航天、野外作业等特殊环境中。 (3) easy operation of the present invention, patients with a single hand to complete all operations can be used for military operations, space navigation, field operations, such special circumstances.

附图说明 BRIEF DESCRIPTION

[0009]图1是本发明穿刺针的一种实施例结构示意图。 [0009] FIG. 1 is a puncture needle of the present invention shows a structure of embodiment.

[0010] 图2是本发明针筒的一种实施例结构示意图。 [0010] FIG. 2 is a schematic diagram of the syringe of the present invention, the structure of FIG.

[0011] 图3是本发明实施例五的一种实施状态示意图。 [0011] FIG. 3 is a schematic diagram of an embodiment of a state according to a fifth embodiment of the present invention.

[0012] 图4是本发明实施例一中带有弹性杆A的活塞的结构示意图。 [0012] FIG. 4 is a diagram showing a configuration example of a piston with an elastic lever A of the embodiment of the present invention.

[0013]图5是本发明实施例一弹性杆A与活塞均位于针筒筒腔内的状态示意图。 [0013] FIG. 5 is an embodiment of the present invention a resilient lever A diagram showing a state of the piston are located in the syringe barrel chamber.

[0014]图6是本发明实施例一弹性杆A卡于针筒上端开口的状态示意图。 [0014] FIG. 6 is a schematic view of an embodiment of the present invention, the upper end of the resilient lever A card in the opening state of the syringe.

[0015]图7是本发明实施例二弹性杆B与活塞均位于针筒筒腔内的状态示意图。 [0015] FIG. 7 is an embodiment of the present invention according to the second elastic rod and the piston are located in the B state a schematic view of the syringe barrel chamber.

[0016]图8是本发明实施例二弹性杆B卡于针筒上部分筒壁的槽口的状态示意图。 [0016] FIG. 8 is a schematic diagram according to a second embodiment of the present invention, the elastic rod to the card slot section B of the cylindrical wall of the syringe state.

[0017] 图9是本发明实施例三中带有限位杆A的活塞的结构示意图 [0017] FIG. 9 is a schematic view of a piston configuration with stopper rods Example III A of the embodiment of the present invention

[0018] 图10是本发明实施例三限位杆A与活塞均位于针筒筒腔内的状态示意图。 [0018] FIG. 10 is a stopper according to a third embodiment of the present invention, the piston rod A syringe barrel showing a state are located within the cavity.

[0019] 图11是本发明实施例三限位杆A卡于针筒上端开口的边沿缺口处的状态示意图。 [0019] FIG. 11 is a schematic diagram according to a third state of the stopper rod to the upper end of the barrel opening A card edge notch embodiment of the present invention.

[0020] 图12是本发明实施例三针筒上端开口的开口状态示意图。 [0020] FIG. 12 is a diagram showing an open state according to a third embodiment of the syringe of the present invention, the upper end of the opening.

[0021] 图13是本发明实施例四的结构示意图。 [0021] FIG. 13 is a schematic view of a fourth embodiment of the present invention.

[0022] 图14是本发明实施例四限位杆B与活塞均位于针筒筒腔内的状态示意图。 [0022] FIG. 14 is a stopper according to a fourth embodiment of the present invention, the piston rod B are a schematic view of a state located in the syringe barrel chamber.

[0023] 图15是本发明实施例四限位杆B卡于针筒上端开口的状态示意图。 [0023] FIG. 15 is a schematic diagram of four cards in the upper end of the stopper rod B barrel opening state embodiment of the present invention.

[0024] 图16是本发明实施例五活塞与限位杆C的结构示意图。 [0024] FIG. 16 is a schematic view of five of the piston rod C and limiting embodiments of the present invention.

[0025] 图17是本发明实施例五限位杆C卡于针筒上端开口的状态示意图。 [0025] FIG. 17 is a schematic diagram of five C-card retainer lever to the upper end opening of the barrel of the embodiment of the present invention the state.

[0026] 图18是图17的俯视图。 [0026] FIG. 18 is a plan view of FIG. 17.

[0027] 标号说明:I针尖、2针体、3针座、4密封塞部、5活塞杆、6弹性杆A、7凸起A、8弹性杆B、9凸起B、10限位杆A、ll凸起C、12弹簧、13限位杆B、14限位杆C、15针柄。 [0027] Reference numeral describe: I tip, the needle body 2, needle hub 3, the sealing plug portion 4, the piston rod 5, the elastic rods 6 A, 7 projections A, 8 elastic rod B, 9 projections B, 10 limiting rod A, ll projections C, 12 spring, the stopper lever 13 B, 14 limiting rod C, 15 needle handle.

具体实施方式 detailed description

[0028] 下面结合说明书附图和实施例对本发明内容进行详细说明: [0028] The following description in conjunction with the drawings and embodiments of the present invention in detail:

[0029] 如图1、图2、图3、图5、图7、图10、图14所示:一种可穿刺组合型注射器,它包括针筒、针座3、活塞、限位组件以及在外力作用下控制活塞在针筒筒腔内滑动的控制件; [0029] As shown in FIG 1, FIG 2, FIG 3, FIG. 5, FIG. 7, FIG. 10, FIG. 14: A combination of puncture-type syringe comprising a barrel, a needle hub 3, a piston, and a stop assembly an external force control piston slidable in the syringe barrel member control chamber;

[0030] 如图2所示:所述的针筒为上端开口、下端设有出液口的中空管体,用于安装注射针的针座3与出液口连接; [0030] 2: upper end opening of said barrel, a lower end of the hollow tube is provided with a liquid inlet, for mounting the injection needle hub 3 is connected to the liquid outlet;

[0031] 如图1所示:所述的控制件为穿刺针,所述的穿刺针包括针尖I和针体2,针体2的底端与针尖I连接,且针体2靠近针尖I处的侧壁上设有螺纹; [0031] As shown in FIG 1: the control member is a needle, the puncture needle comprises a needle tip I and 2, the bottom end of the needle tip of the needle 2 connected to I, and the needle near the needle tip 2 at I threaded on a sidewall;

[0032] 另外,所述的穿刺针还包括针柄15,针柄15与针体2的上端连接;所述的针尖I为三棱形针尖I。 [0032] Further, the puncture needle 15 further comprising a needle handle, the needle handle 15 is connected to the upper end of the needle body 2; I is the three-sided needle tip I.

[0033] 如图3所示:所述的活塞位于针筒的筒腔内,活塞包括密封塞部4以及活塞杆5,所述的密封塞部4的横截面直径与针筒的筒腔的内直径大小相匹配,所述的活塞杆5的底端与密封塞部4的上端面连接,活塞杆5的中心设有可供穿刺针旋入的螺纹孔,螺纹孔从活塞杆5的上端面开始,沿活塞杆5径向向下延伸; [0033] 3: the piston cylinder chamber located in the barrel, the piston including a sealing plug portion 4 and a piston 5, the sealing plug portion 4 is a cross-sectional diameter of the barrel of the barrel chamber matches the inner diameter, the bottom end of the piston rod 5 is connected to the upper end surface of the sealing plug portion 4, the center rod 5 is provided with a threaded hole for the puncture needle is screwed into a threaded hole in the piston rod 5 start end faces, downwardly extending radially along the piston rod 5;

[0034] 所述的穿刺针不仅可以控制活塞运动,而且可以用于穿刺。 Needle [0034] The piston movement can be controlled not only, but also for pricking. 当穿刺针旋入活塞的螺纹孔,并通过外力控制活塞在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 When the needle is screwed into a threaded hole of the piston, the control piston and by an external force when the syringe barrel cavity movement, then the present invention may function with a conventional injection syringe same effect. 当穿刺针单独使用时,穿刺针可以用于穿刺。 When used alone the puncture needle, the puncture needle can be used for puncturing.

[0035] 如图4、、图6、图8、图9、图11、图13、图15、图16、图17所示:所述的限位组件设置于活塞上,且当外力作用于穿刺针控制活塞滑动到针筒的上端开口处时,限位组件卡在针筒上端开口的边沿或者针筒上部分筒壁上设有的槽口。 [0035] FIG. 4 ,, 6, FIG 8, FIG 9, FIG 11, FIG 13, FIG 15, FIG 16, FIG. 17: the stop assembly disposed on the piston, and when the external force is applied when the upper end of the puncture needle to the syringe control piston sliding opening, the stop assembly card slot at the upper end rim or syringe barrel is provided with an opening portion of the cylinder wall.

[0036] 实施例一: [0036] Example a:

[0037] 如图4、图5、图6所示:所述的限位组件为2个或2个以上均布于活塞杆5周围的弹性杆A6,所述的弹性杆A6与密封塞部4的上端面或活塞杆5的侧壁面连接,弹性杆A6的上端设有背向针筒横截面圆心方向延伸的凸起A7,使得当弹性杆A6与活塞一起位于针筒筒腔内时,弹性杆A6受限于针筒筒壁,但具有向外扩张的趋势;当活塞向针筒的上端开口运动,弹性杆A6运动到针筒的上端开口时,弹性杆A6向外扩张且弹性杆A6的凸起A7卡在针筒上端开口的边沿。 [0037] FIG. 4, FIG. 5, FIG. 6: the limiting component is one or two or more uniformly distributed around the elastic rod 5 A6, A6 of the elastic rod and the sealing plug portion 4 or the upper end surface of the side wall surface of the piston rod 5 is connected to the upper end of the resilient rod provided with A6 cross section away from the center of the barrel extending projections A7, A6 elastic rod such that when the piston is located along the syringe barrel cavity, A6 elastic rod is limited to a syringe barrel wall, but have a tendency to expand outwardly; when the upper end of the opening movement of the piston toward the upper end of the barrel, the resilient movement of the rod into the barrel opening A6, A6 expanded outward elastic rod and the elastic rod A6 A7 projections at the edge of the card in the upper end of the barrel opening.

[0038] 如图5所示:弹性杆A6与活塞一起位于针筒筒腔内,弹性杆A6受限于针筒筒壁,但具有向外扩张的趋势。 [0038] Figure 5: A6 elastic rod and the piston cylinder chamber located in the barrel together with the barrel spring rod A6 limited to the cylindrical wall, but have a tendency to expand outwardly. 当注射针安装于针座3上,把穿刺针旋入活塞杆5中心的螺纹孔,并通过外力控制活塞与弹性杆A6 —起在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 When the needle 3 is mounted on the hub, the needle is screwed into a threaded hole in the center of the piston rod 5, and the control piston by an external force and the elastic rod A6 - from the syringe barrel while moving the cavity, then the present invention may function conventional injection syringe with the same effect.

[0039] 如图6所示:弹性杆A6位于针筒上端的开口处,弹性杆A6向外扩张且弹性杆A6的凸起A7卡在针筒上端开口的边沿,弹性杆A6起到了限位的作用,此时该发明可以作为一个负压引流器来使用。 [0039] Figure 6: A6 elastic rod at the upper end opening of the barrel, the resilient rod rods and elastically expanded outward A6 A6 A7 card edge projection at the upper end of the barrel opening, the elastic limit the rod played A6 action, at which point the invention may be used as a vacuum-assisted use. 该发明的使用方法如下:该发明在使用前,活塞位于针筒筒腔内的底部。 Use of the invention is as follows: prior to use of the invention, the piston is at the bottom of the syringe barrel chamber. 首先,将穿刺针旋入活塞杆5内的螺纹孔中,其次,将与针筒出液口连接的针座3插入到安装于患者身上的引流管中;接着,外力作用于穿刺针,控制活塞与弹性杆A6 —起向针筒的上端开口运动,当弹性杆A6运动到针筒的上端开口时,弹性杆A6向外扩张且弹性杆A6的凸起A7卡在针筒上端开口的边沿,将穿刺针移除,此时,该发明就成了一个负压引流器。 First, the puncture needle is screwed into a threaded bore within the piston rod 5, secondly, the hub is connected to the liquid outlet of the syringe 3 is inserted into the drainage tube attached to the patient; Next, an external force to the puncture needle, the control the piston rod and the elastic A6 - from the upper end of the opening movement of the barrel, when the elastic rod A6 motion to the upper end opening of the barrel, the resilient rod rods and elastically expanded outward A6 A6 A7 card edge projection at the upper end of the barrel opening , the needle is removed, then, the invention becomes a negative pressure aspirator.

[0040] 实施例二: [0040] Example II:

[0041] 如图7、图8所示:本发明所述的限位组件为2个或2个以上均布于活塞杆5周围的弹性杆B8,所述的弹性杆B8与密封塞部4的上端面或活塞杆5的侧壁面连接,弹性杆B8的上端设有背向针筒横截面圆心方向延伸的凸起B9,针筒上部分筒壁上设有与弹性杆B8数量、位置对应且可供的凸起B9穿出的槽口;使得当弹性杆B8与活塞一起位于针筒筒腔内时,弹性杆B8受限于针筒筒壁,但具有向外扩张的趋势;当活塞向针筒的上端开口运动,弹性杆B8运动到针筒的上端时,弹性杆B8向外扩张且弹性杆B8的凸起B9从槽口穿出。 [0041] FIG. 7, FIG. 8: stop assembly according to the present invention is one or two or more uniformly distributed around the piston rod. 5 the resilient B8, B8 of the elastic rod and the sealing plug portion 4 the upper end face 5 or the rod connected to the side wall surface, an upper end of the elastic rod provided B8 away from the center of the barrel cross-section extending convex B9, the wall of the barrel portion of the barrel is provided with a number B8 elastic rod, the position corresponding to and a projection for piercing slot B9; B8 such that when the elastic rod and the piston cavity is located along the syringe barrel, the barrel spring bar B8 limited to the cylindrical wall, but have a tendency to expand outwardly; when the piston the upper end of the opening movement of the barrel, the resilient movement of the rod to the upper end of the barrel B8, B8 elastic rod and elastically expanded outward projection B8 B9 rod piercing from the notch.

[0042] 如图7所示:弹性杆B8与活塞一起位于针筒筒腔内,弹性杆B8受限于针筒筒壁,但具有向外扩张的趋势。 [0042] 7: B8 elastic rod cylinder chamber located in the barrel together with the piston, the resilient rod B8 limited to the syringe barrel wall, but have a tendency to expand outwardly. 当将注射针安装于针座3上,接着把穿刺针旋入活塞杆5中心的螺纹孔,并通过外力控制活塞与弹性杆B8 —起在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 When the injection needle 3 is attached to the screw holes, and then the puncture needle 5 is screwed into the piston rod of the center hub, and the control piston by an external force and the elastic rod B8 - when the syringe barrel cavity from moving, then the present invention can be the conventional functions of injection syringes same effect.

[0043] 如图8所示:弹性杆B8位于针筒的上端,弹性杆B8向外扩张且弹性杆B8的凸起B9从针筒上部分筒壁上设有的槽口穿出,弹性杆B8起到了限位的作用,此时该发明可以作为一个负压引流器来使用。 [0043] As shown in FIG 8: B8 upper end of the spring rod of the syringe, the resilient rod rods and elastically expanded outward B8 B8 B9 piercing protrusions from the wall of the syringe barrel is provided with a notch portion, an elastic rod B8 played a role of the stopper, at this time, as the invention may be used in a vacuum-assisted. 该发明的使用方法如下:该发明在使用前,活塞位于针筒筒腔内的底部。 Use of the invention is as follows: prior to use of the invention, the piston is at the bottom of the syringe barrel chamber. 首先,将穿刺针旋入活塞杆5内的螺纹孔中,其次,将与针筒出液口连接的针座3插入到安装于患者身上的引流管中;外力作用于穿刺针,控制活塞与弹性杆B8 —起向针筒的上端开口运动,当弹性杆B8运动到针筒的上端时,弹性杆B8向外扩张且弹性杆B8的凸起B9从针筒上部分筒壁上设有的槽口穿出;接着,将穿刺针移除,此时,该发明就起到了负压引流的作用。 First, the puncture needle is screwed into a threaded hole in the piston rod 5, secondly, the hub is connected to the liquid outlet of the syringe 3 is inserted into the drainage tube attached to the patient; the external force to the puncture needle, the control piston B8 elastic rod - from the upper end of the opening movement of the barrel, when the elastic rod is moved to the upper end of the barrel B8, B8 elastic rod and elastically expanded outward projection B8 B9 rod from the barrel portion of the cylinder wall is provided with piercing slot; Subsequently, the needle is removed, at this time, the suction drainage invention played a role.

[0044] 实施例三: [0044] Example III:

[0045] 如图9、图10、图11、图12所示:本发明所述的限位组件为限位杆A10,所述的针筒的上端开口为部分开口,即上端开口的边缘处设有向内延伸的边沿,且边沿上设有一段缺口,所述的限位杆AlO与密封塞部4的上端面或活塞杆5的侧壁面连接,限位杆AlO的上端设有背向针筒横截面圆心方向延伸的凸起C11,使得当活塞向针筒的上端开口运动,限位杆AlO运动到针筒的上端开口时,限位杆AlO从针筒上端开口的边沿缺口处穿出,外力作用于穿刺针旋转活塞,进而带动限位杆AlO旋转,使得凸起Cll卡在针筒上端开口的边沿上。 [0045] FIG 9, FIG 10, FIG 11, FIG 12: stop assembly according to the present invention AlO limiting rod, the upper end opening of the barrel portion of the opening, i.e. at the upper edge of the opening is provided with an inwardly extending rim, and provided with some notches on the edge of the limiting rod AlO 4 and the sealing plug on the end surface portion or side wall surface of the piston rod 5 is connected to the upper end of the stopper rod is provided away from AlO the cross-sectional direction of the center cylinder extending projections C11, such that when the opening motion to the upper end of the piston barrel, AlO motion limiting rod to the upper end opening of the barrel, the upper end of the stopper rod from the barrel opening AlO edge notch wear out, an external force to the needle rolling piston so as to drive the rotation limiting rod AlO, so that the projection on the edge of the card Cll upper barrel opening.

[0046] 如图10所示:限位杆AlO与活塞一起位于针筒筒腔内。 [0046] FIG. 10: AlO limiting rod piston cavity is located along the syringe barrel. 当将注射针安装于针座3上,接着把穿刺针旋入活塞杆5中心的螺纹孔,并通过外力控制活塞与限位杆AlO —起在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 When the injection needle 3 is attached to the screw holes, and then the puncture needle 5 is screwed into the piston rod of the center hub, and the piston rod AlO control by an external force and the stopper - the syringe barrel from the chamber during movement, this time according to the present invention you can play the same conventional injection syringe effect.

[0047] 如图11所示:限位杆AlO的凸起Cll卡在针筒上端开口的边沿。 [0047] 11: stop lever projection Cll AlO card edge at the upper end of the barrel opening.

[0048] 如图12所示:所述针筒上端开口为部分开口。 [0048] As shown in Fig 12: the upper opening of the barrel portion of the opening.

[0049] 结合图10、图11和图12分析:本发明作为负压引流器时,只需外力作用于穿刺针控制限位杆AlO与活塞一起向针筒的上端开口运动,当弹性杆AlO运动到针筒的上端时,限位杆AlO从针筒上端开口的边沿缺口处穿出,接着人为控制活塞旋转,进而带动限位杆AlO旋转,使限位杆AlO的凸起CU能卡在针筒上端开口的边沿。 [0049] in conjunction with FIG. 10, FIG. 11 and FIG. 12 Analysis: as the present invention is vacuum-assisted, only an external force on the puncture needle control piston and the stopper lever AlO opening motion to the upper end of the barrel together when the elastic rod AlO when moved to the upper end of the barrel, the upper end of the stopper rod from the barrel AlO notch piercing opening edge, then artificially control piston is rotated so as to drive the rotation limiting rod AlO, AlO the stopper rod can be raised CU card upper barrel opening edge.

[0050] 实施例四: [0050] Example IV:

[0051] 如图13、14、15所示:本发明所述的限位组件包括弹簧12以及2根限位杆B13,所述的2根限位杆B13分别固设于弹簧12的两端,所述的活塞杆5上设有垂直于针筒筒壁的弹簧12腔,带有限位杆B13的弹簧12穿入弹簧12腔内,使得当带有限位杆B13的弹簧12与活塞一起位于针筒筒腔内时,弹簧12两端的限位杆B13与针筒筒壁接触,弹簧12被压缩;当活塞向针筒的上端开口运动,限位杆B13运动到针筒的上端开口时,弹簧12向外扩张且限位杆B13卡在针筒上端开口的边沿。 [0051] As shown in FIG. 13, 14: stop assembly according to the present invention comprises a spring 12 and a stopper rod 2 B13, the B13 limiting rod 2 are fixed to the ends of the spring 12 , a spring cavity 12 provided in the vertical wall of the syringe barrel of the piston rod 5, spring 12 with stopper rods penetrate B13 spring chamber 12, so that when the spring 12 with the retainer lever B13 is located together with the piston when the cavity of the syringe barrel, both ends of the stopper 12 in contact with the spring bar B13 syringe barrel wall, the spring 12 is compressed; when the opening movement of the piston toward the upper end of the barrel, to limit movement of the lever B13 upper barrel opening, 12 and spring outward expansion card edge B13 at an upper end opening of the syringe stopper rod.

[0052] 如图14所示:限位杆B13与活塞一起位于针筒筒腔内。 [0052] As shown in FIG 14: B13 limiting rod piston cavity is located along the syringe barrel. 当将注射针安装于针座3上,接着把穿刺针旋入活塞杆5中心的螺纹孔,并通过外力控制活塞与限位杆B13 —起在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 When mounted on the injection needle 3, then the needle piston rod 5 is screwed into a threaded hole of the central hub, by an external force and the control piston and the stopper lever B13 - the syringe barrel from the chamber when moving, then the present invention you can play the same conventional injection syringe effect.

[0053] 如图15所示:限位杆B13卡在针筒上端开口的边沿。 [0053] As shown in FIG 15: an edge card retainer lever B13 in the upper end of the barrel opening.

[0054] 实施例五: [0054] Example Five:

[0055] 如图3、图16、图17、图18所示:所述的限位组件为长度大于针筒筒腔横截面直径的限位杆C14,所述的活塞杆5上设有垂直于针筒筒壁的空腔,且空腔的横截面直径与限位杆C14的横截面直径相匹配,使得当活塞向针筒的上端开口运动,活塞杆5上的空腔位于针筒上方时,人为将限位杆C14插入活塞杆5上的空腔内,限位杆C14卡在针筒的上端开口边沿。 [0055] As shown in FIG. 3, FIG. 16, FIG. 17 and FIG. 18: the limiting component is larger than the length of the syringe barrel chamber cross-sectional diameter of the limiting rod C14, is provided on the vertical rod 5 the syringe barrel wall in the cavity, the cavity and the cross-sectional diameter of the limiting rod matches the cross-sectional diameter of the C14, so that when the opening motion to the upper end of the piston barrel, on the piston rod cavity 5 is located above the barrel when, artificially C14 limiting rod inserted into the cavity on the piston rod 5, at the upper end of the stopper rod C14 card barrel opening edge.

[0056] 如图3所示:活塞杆上设有空腔的活塞位于针筒筒腔内,当将注射针安装于针座3上,接着把穿刺针旋入活塞杆5中心的螺纹孔,并通过外力控制活塞在针筒筒腔内运动时,此时本发明可以起到与传统注射器相同的注射效果。 [0056] 3: a piston rod provided with a cavity located in the cylindrical cavity of the syringe, when the needle 3 is attached to the needle hub, the needle is then screwed into the threaded hole of the center rod 5, by an external force and when the control piston motion chamber syringe barrel, the present invention may function at this time with a conventional injection syringe same effect. [0057] 如图17、图18所示:当活塞向针筒的上端开口运动,活塞杆5上的空腔位于针筒上方时,人为将限位杆C14插入活塞杆5上的空腔内,限位杆C14卡在针筒的上端开口边沿。 [0057] 17, as shown in FIG. 18: the opening movement when the piston toward the upper end of the barrel, a cavity on the piston rod 5 is located above the barrel, the stopper rod C14 artificially inserted into the cavity on the piston rod 5 , the upper end of the stopper rod in the barrel of the card C14 opening edge.

Claims (7)

  1. 1.一种可穿刺组合型注射器,其特征在于:它包括针筒、针座(3)、活塞、限位组件以及在外力作用下控制活塞在针筒筒腔内滑动的控制件,所述的针筒为上端开口、下端设有出液口的中空管体,用于安装注射针的针座(3 )与出液口连接; 所述的控制件为穿刺针,所述的穿刺针包括针尖(I)和针体(2),针体(2)的底端与针尖(I)连接,且针体(2 )靠近针尖(I)处的侧壁上设有螺纹; 所述的活塞位于针筒的筒腔内,活塞包括密封塞部(4)以及活塞杆(5),所述的密封塞部(4)的横截面直径与针筒的筒腔的内直径大小相匹配,所述的活塞杆(5)的底端与密封塞部(4)的上端面连接,活塞杆(5)的中心设有可供穿刺针旋入的螺纹孔,螺纹孔从活塞杆(5)的上端面开始,沿活塞杆(5)径向向下延伸; 所述的限位组件设置于活塞上,且当外力作用于穿刺针控制活塞滑动到针筒的上端开口处 1. A combination of puncture-type injector, characterized in that: it comprises a syringe, the needle hub (3), a piston, and a control stop assembly piston member slidable within the cavity of the syringe barrel by an external force, the the upper end opening of the barrel, the lower end of the hollow tube is provided with a liquid inlet, for mounting the injection needle of the needle hub (3) and the fluid outlet; said control member is a needle, the puncture needle comprising a needle (I) and the needle (2), the bottom end of the needle body (2) with a tip (I) is connected, and the needle body (2) near the tip (I) provided with a thread on the side walls; said a piston located in the cartridge chamber of the barrel, the piston including a sealing plug portion (4) and a piston (5), the inner diameter of the barrel chamber cross-sectional diameter of the barrel portion of the sealing plug (4) match, the piston rod (5) and the upper end face of the bottom end of the sealing plug portion (4) is connected to the central rod (5) is provided with a threaded hole for the puncture needle is screwed into the threaded hole from the rod (5) start the upper end surface, along the piston rod (5) extending radially downwardly; stop assembly provided on the piston, and when the upper end of an external force to the control piston sliding in a syringe needle opening ,限位组件卡在针筒上端开口的边沿或者针筒上部分筒壁上设有的槽口。 , The upper edge or the upper end of the syringe barrel in the card stopper assembly opening portion of the cylinder wall is provided with a notch.
  2. 2.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的限位组件为2个或2个以上均布于活塞杆(5)周围的弹性杆A (6),所述的弹性杆A (6)与密封塞部(4)的上端面或活塞杆(5)的侧壁面连接,弹性杆A (6)的上端设有背向针筒横截面圆心方向延伸的凸起A (7),使得当弹性杆A (6)与活塞一起位于针筒筒腔内时,弹性杆A (6)受限于针筒筒壁,但具有向外扩张的趋势;当活塞向针筒的上端开口运动,弹性杆A (6)运动到针筒的上端开口时,弹性杆A (6)向外扩张且弹性杆A (6)的凸起A (7)卡在针筒上端开口的边沿。 The composition may puncture type injector according to claim 1, characterized in that: said restraining means is one or two or more uniformly distributed in the piston rod (5) A surrounding elastic bar (6), the a-described elastic rod (6) and the sealing plug portion (4) or the end surface of the piston rod (5) connected to the side wall surface, an upper end of an elastic rod a (6) facing away from the barrel of a convex cross section extending in the direction of the center since a (7), such that when the elastic rod a (6) and the piston cavity is located along the syringe barrel, the elastic rod a (6) is limited to a syringe barrel wall, but have a tendency to expand outwardly; when the piston when the upper end of the opening movement of the barrel, the resilient rod a (6) is moved to the upper end opening of the barrel, the resilient rod a (6) and the elastic outward expansion rod a (6) of the projection a (7) at the upper end of the barrel card opening edge.
  3. 3.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的限位组件为2个或2个以上均布于活塞杆(5)周围的弹性杆B (8),所述的弹性杆B (8)与密封塞部(4)的上端面或活塞杆(5)的侧壁面连接,弹性杆B (8)的上端设有背向针筒横截面圆心方向延伸的凸起B (9),针筒上部分筒壁上设有与弹性杆B (8)数量、位置对应且可供的凸起B (9)穿出的槽口;使得当弹性杆B (8)与活塞一起位于针筒筒腔内时,弹性杆B (8)受限于针筒筒壁,但具有向外扩张的趋势;当活塞向针筒的上端开口运动,弹性杆B (8)运动到针筒的上端时,弹性杆B (8)向外扩张且弹性杆B (8)的凸起B (9)从槽口穿出。 The syringe can puncture composition according to claim 1, wherein: said stop assembly of two or more uniformly distributed in the piston rod (5) around the elastic rod B (8), the said elastic rod B (8) and the sealing plug portion (4) or the end surface of the piston rod (5) connected to the side wall surface, an elastic rod B (8) facing away from the barrel upper end provided with a convex cross section extending in the direction of the center since B (9), the barrel portion is provided on the cylinder wall (8) the number of elastic rod B, and the position corresponding to the projection for B (9) piercing slot; B such that when the elastic rod (8) when the piston is located along the syringe barrel cavity, the resilient rod B (8) is limited to a syringe barrel wall, but have a tendency to expand outwardly; motion to the upper end of the opening when the piston barrel, an elastic rod B (8) movement when the upper end of the barrel, an elastic rod B (8) and the elastic outward expansion rod B (8) of the projection B (9) out through the slot.
  4. 4.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的限位组件为限位杆A (10),所述的针筒的上端开口为部分开口,即上端开口的边缘处设有向内延伸的边沿,且边沿上设有一段缺口,所述的限位杆A (10)与密封塞部(4)的上端面或活塞杆(5)的侧壁面连接,限位杆A (10)的上端设有背向针筒横截面圆心方向延伸的凸起C (11),使得当活塞向针筒的上端开口运动,限位杆A (10)运动到针筒的上端开口时,限位杆A (10)从针筒上端开口的边沿缺口处穿出,外力作用于穿刺针旋转活塞,进而带动限位杆A (10)旋转,使得凸起C (11)卡在针筒上端开口的边沿上。 The syringe can puncture composition according to claim 1, wherein: said assembly is a stop limiting rod A (10), the upper end of the barrel portion of the opening is an opening, i.e., the upper end of the opening It is provided with an inwardly extending rim at the edge, and is provided with some notches on the edge of the limiting lever a (10) and the sealing plug portion (4) or the end surface of the piston rod (5) connected to the side wall surface, limit the upper end of rod position a (10) facing away from the barrel cross-section is provided extending in the direction of the center of projection C (11), such that movement of the piston toward the upper end opening of the barrel, the stopper lever a (10) is moved to the barrel when the upper end of the opening, the stopper lever a (10) from the upper end opening of the barrel notch piercing edge, an external force to the needle rolling piston so as to drive the stopper lever a (10) is rotated so that the projections C (11) card on the upper edge of the opening of the barrel.
  5. 5.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的限位组件包括弹簧(12)以及2根限位杆B (13),所述的2根限位杆B (13)分别固设于弹簧(12)的两端,所述的活塞杆(5)上设有垂直于针筒筒壁的弹簧(12)腔,带有限位杆B (13)的弹簧(12)穿入弹簧(12)腔内,使得当带有限位杆B (13)的弹簧(12)与活塞一起位于针筒筒腔内时,弹簧(12)两端的限位杆B (13)与针筒筒壁接触,弹簧(12)被压缩;当活塞向针筒的上端开口运动,,限位杆B (13)运动到针筒的上端开口时,弹簧(12)向外扩张且限位杆B (13)卡在针筒上端开口的边沿。 The syringe can puncture composition according to claim 1, wherein: said stop assembly comprises a spring (12) and two limiting rod B (13 is), said two retainer lever B (13) are fixed to the ends of the spring (12), said piston rod is provided (5) perpendicular to the spring barrel of the barrel wall (12) chamber, the spring B with limiting rod (13) in ( 12) penetrating the spring (12) chamber, such that when the spring (12) with the limiting rod B (13) when the piston is located in the syringe barrel with the cavity, both ends of the stopper spring (12) lever B (13) in contact with the syringe barrel wall, the spring (12) is compressed; when the opening movement of the piston toward the upper end of the barrel ,, limiting rod B (13) is moved to the upper end opening of the barrel, a spring (12) and limit outward expansion bit lever B (13) stuck in the upper end of the barrel opening edge.
  6. 6.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的限位组件为长度大于针筒筒腔横截面直径的限位杆C (14),所述的活塞杆(5)上设有垂直于针筒筒壁的空腔,且空腔的横截面直径与限位杆C (14)的横截面直径相匹配,使得当活塞向针筒的上端开口运动,活塞杆(5 )上的空腔位于针筒上方时,人为将限位杆C (14)插入活塞杆(5 )上的空腔内,限位杆C (14)卡在针筒的上端开口边沿。 6. The composition puncture syringe according to claim 1, characterized in that: said restraining means is greater than the length of the syringe barrel chamber cross-sectional diameter of the limiting rod C (14), said piston rod ( 5) a cavity is provided on the barrel perpendicular to the barrel wall, and the cross-sectional diameter of the cavity and the stopper lever C (14) matches the cross-sectional diameter, such that when the opening motion of the piston to the upper end of the barrel, the piston rod when the upper cavity (5) located above the barrel, artificially limiting rod C (14) inserted into the piston rod (5) cavity, the stopper lever C (14) stuck in the upper end of the barrel opening edge.
  7. 7.根据权利要求1所述的可穿刺组合型注射器,其特征在于:所述的穿刺针还包括针柄(15 ),针柄(15 ) 与针体(2 )的上端连接;所述的针尖(I)为三棱形针尖(I)。 7. The composition puncture syringe according to claim 1, wherein: said puncture needle further comprises a needle shaft (15), the needle shaft (15) and the upper end of the needle body (2) is connected; said tip (I) is a three-sided tip (I).
CN 201410147182 2014-04-14 2014-04-14 Combined syringe can puncture CN103908711B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105455948A (en) * 2016-01-23 2016-04-06 王翠兰 Tympanocentesis and intratympanic injection medical equipment
CN105662485A (en) * 2016-03-28 2016-06-15 西南医科大学附属医院 Pressure-readable negative-pressure puncture device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413564A (en) * 1994-03-02 1995-05-09 Silver; Jules Predetermined dosage hypodermic syringe system
CN201329103Y (en) * 2009-01-08 2009-10-21 魏秀华 Destructing type disposable syringe
CN203802894U (en) * 2014-04-14 2014-09-03 林新颖 Combined injection syringe capable of carrying out puncture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413564A (en) * 1994-03-02 1995-05-09 Silver; Jules Predetermined dosage hypodermic syringe system
CN201329103Y (en) * 2009-01-08 2009-10-21 魏秀华 Destructing type disposable syringe
CN203802894U (en) * 2014-04-14 2014-09-03 林新颖 Combined injection syringe capable of carrying out puncture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105455948A (en) * 2016-01-23 2016-04-06 王翠兰 Tympanocentesis and intratympanic injection medical equipment
CN105662485A (en) * 2016-03-28 2016-06-15 西南医科大学附属医院 Pressure-readable negative-pressure puncture device

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