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Número de publicaciónCN103908711 A
Tipo de publicaciónSolicitud
Número de solicitudCN 201410147182
Fecha de publicación9 Jul 2014
Fecha de presentación14 Abr 2014
Fecha de prioridad14 Abr 2014
También publicado comoCN103908711B
Número de publicación201410147182.5, CN 103908711 A, CN 103908711A, CN 201410147182, CN-A-103908711, CN103908711 A, CN103908711A, CN201410147182, CN201410147182.5
Inventores林新颖, 祁亚峰, 邹忠东
Solicitante林新颖, 祁亚峰, 邹忠东
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos:  SIPO, Espacenet
Puncture combined-type syringe
CN 103908711 A
Resumen
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.
Reclamaciones(7)  traducido del chino
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。 1. A syringe needle combination, characterized in that: it includes a syringe, needle holder (3), the piston, the limit under external control components and control elements within the cavity sliding piston syringe barrel, said The upper end opening of the barrel, the lower end a liquid outlet provided with a hollow tube for mounting the needle hub (3) and a liquid outlet connector; said control member is puncture needle, the puncture needle including tip (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 wall at; said piston cylinder chamber located in the barrel, the piston comprising sealing plug portion (4) and the piston rod (5), the inner diameter of the sealing plug portion (4) and the cross-sectional diameter of the cylindrical cavity of the barrel to match, The piston rod (5) on the bottom end surface of the sealing plug portion (4) is connected to the piston rod (5) provided with a threaded hole in the center for the needle is screwed into the threaded hole from the piston rod (5) The upper end start, along the piston rod (5) extending radially downward; the stop assembly is provided on the piston, and when the external force is applied to the upper end of the needle to the syringe control piston slide opening, stop assembly card or on the edge of the upper opening of the barrel portion of the syringe barrel wall is formed with a notch.
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 syringe can puncture assembly according to claim 1, characterized in that: stop assembly according to two or more uniformly distributed in the piston rod (5) around the elastic rod A (6), the A referred to in the elastic rod (6) and the sealing plug portion (4) of the end or the piston rod (5) of the side wall surface connected to the upper end of the elastic rod A (6) is provided with a cross-sectional center back barrel extending projections From A (7), so that when the elastic rod A (6), together with the piston cavity located in the syringe barrel, the elastic rod A (6) is limited by the walls of the syringe barrel, but with a tendency to expand outward; when the piston to the upper end of the barrel of the opening movement, the elastic rod A (6) motion to the upper opening of the barrel, the elastic rod A (6) outward expansion and elastic rod A (6) projection A (7) stuck in the upper end of the barrel The edge of the opening.
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。 3. The syringe can puncture assembly according to claim 1, characterized in that: the stop assembly of two or more uniformly distributed in the piston rod (5) around the elastic rod B (8), the Elastic upper end of said lever B (8) and the sealing plug portion (4) end or the piston rod (5) connected to the side wall surface, elastic rod B (8) is provided with a cross-section facing away from the center extending barrel projection from B (9), on the wall of the syringe barrel section provided with an elastic rod B (8) the number, location and available projections corresponding to B (9) piercing slot; so that when the elastic rod B (8) together with the piston cavity located in the syringe barrel, the elastic rod B (8) subject to the syringe barrel wall, but with a tendency to expand outward; towards the upper end of the cylinder when the piston opening movement, elastic rod B (8) sports to the upper end of the syringe, the elastic rod B (8) outward expansion and elastic rod B (8) of the projection B (9) from the slot piercing.
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。 4. The combination of one of the syringes may puncture the preceding claims, characterized in that: the limit stop assembly to the lever A (10), the upper end of said barrel opening is partially open, i.e., the upper end of the opening at the edges with a rim extending inward and provided with some notches on the edge, on the limit rod A (10) and the sealing plug portion (4) of the end or the piston rod (5) of the side wall surface connection, limit the upper end of the rod-bit A (10) is provided with a cross-section facing away from the center cylinder extending projections C (11), such that when the piston towards the upper end of the opening movement of the syringe, the stopper lever A (10) is moved to the syringe When the upper end of the opening, the retainer lever A (10) from the edge of the gap at the top openings of piercing the syringe, the needle external force on the rotary piston, thereby bringing the retainer lever A (10) is rotated so that the projection C (11) Cards On the edge of the upper opening of the barrel.
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。 1 according to the combination may puncture syringe as claimed in claim wherein: said stop assembly comprises a spring (12) and two retainer lever B (13), said two retainer lever B (13) are fixed on both ends of the spring (12), with said piston rod (5) perpendicular to the spring barrel bore wall (12) of the chamber, with a spring retainer lever B (13) in ( 12) penetrating the spring (12) chamber, such that when the spring with the retainer lever B (13) (12) together with the piston cylinder chamber located in the barrel, the spring (12) at both ends of the stopper lever B (13) contact with the syringe barrel wall, a spring (12) is compressed; when the piston towards the upper end of the opening movement of the syringe ,, retainer lever B (13) is moved to the upper end of the barrel opening, a spring (12) and limit outward expansion LEVER B (13) stuck in the upper edge of the barrel opening.
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 combination of one of the syringes may puncture claim, wherein: said stop assembly is greater than the length of the syringe barrel chamber cross-sectional diameter of the retainer lever C (14), said piston rod ( 5) provided with a cavity wall perpendicular to the syringe barrel, and the cross-sectional diameter of the cavity and the retainer lever C (14) to match the cross-sectional diameter, so that the upper end of the cylinder when the piston opening movement of the piston rod a cavity (5) is located on the top of the barrel when the stopper lever artificially C (14) inserted into the piston rod (5) on the cavity, the retainer lever C (14) stuck in the upper end of the barrel opening edge.
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)。 1 according to the combination may puncture syringe as claimed in claim wherein: said puncture needle further comprises a needle shank (15), the needle handle (15) and the upper end of the needle body (2) is connected; wherein tip (I) for the three prism tip (I).
Descripción  traducido del chino

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

技术领域 Technical 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 syringe needle combination.

背景技术 Background

[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, syringe technology presents 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。 However, most of these syringe injection or play only play the role of negative pressure drainage after modification, and in case of an emergency, such as military operations, under the lack of maritime aerospace, and other medical equipment in field operations, often you need needle, suction drainage and other equipment, so that the doctor would have to 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 syringe piston rod long tradition , inconvenient to use, 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 do this, you need to design a simple, easy to carry, easy to operate and can achieve a variety of applications combination syringe, the syringe can be used in combination army field rescue, maritime aerospace medical, rescue and many other outdoor equipment configuration.

发明内容 DISCLOSURE

[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 applications can puncture combination syringe.

[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 are achieved by the following technical solutions: a combination can puncture syringe, wherein: it comprises a syringe, needle seat, piston, stop assembly and under external control piston in the cylinder chamber syringe the sliding control member, said upper end opening of the barrel, the lower end a liquid outlet provided with a hollow tubular body for mounting a needle holder connected to the needle and the liquid 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; Controls [0005], wherein the puncture needle, said needle includes a bottom end and needle tip and needle, the needle body connection, and the needle on the side wall near a threaded 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 piston is in said cavity of the syringe barrel, the piston including a piston rod and the sealing plug portion, the inner diameter of the cross-sectional diameter of the cylindrical cavity and the barrel portion of the sealing plug to match, said the bottom end portion of the piston rod sealing plug face connected with the piston rod of the center is equipped with a threaded hole for the needle is screwed into the threaded hole on the end face of the piston rod from the start, extending down the radial piston rod;

[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。 Stop assembly [0007] The settings on the piston, and when the external force is applied to the upper end of the needle control piston sliding to the opening of the syringe, the limit on the card edge or syringe assembly at the upper end of the opening portion of the syringe barrel wall with a 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) the structure of the present invention is simple, and because the needle of the present invention, the piston is separable, the present invention is also easy to carry on. (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 syringe injections, the same as with traditional syringe barrel only controls movement of the piston in the cylinder cavity; in the implementation of the present invention, the puncture function, simply needle unscrewed from the threaded hole, they can for puncture; the present invention in the practice of suction drainage effect, simply screwed into the threaded hole needle, and then the liquid with the syringe needle holder into the mounting port connected with the patient drainage tube and artificial force control piston moves to the upper opening of the syringe, through the action of stop assembly will live Fonseca at the upper end of the syringe barrel upper end of the opening or the cylinder wall, and then remove the needle, at which point the device can be used as a vacuum-assisted Therefore the present invention can achieve a variety of purposes. (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) ease of operation of the present invention, the patient with one hand to complete all operations, can be used for military operations, aerospace navigation special environment, field operations and the like.

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 block diagram illustrating an embodiment of the present invention the needle.

[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 block diagram illustrating an embodiment of the present invention is a syringe.

[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 Embodiment example embodiment of the present invention five.

[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 schematic example of a piston with an elastic rod A 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 invention the elastic rod and piston A syringe barrel cavity are located in the state of FIG.

[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 an elastic rod A embodiment of the present invention, the upper end of the opening card on the state of the syringe. FIG.

[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 a second embodiment of the invention B elastic rod and the piston are located in the state of the syringe barrel cavity Fig.

[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 second embodiment of the invention the elastic rod B card on the barrel portion of the barrel wall notch state Fig.

[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 of the piston rod with limit 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 third embodiment of the present invention, the stopper rod and the piston are located in the state A syringe barrel cavity Fig.

[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 state embodiment of the invention three retainer lever A card on the upper barrel opening edge notch Fig.

[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 open at the upper end of the barrel opening state Example Three of the present invention. Fig.

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

[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 fourth embodiment of the present invention, the retainer lever B are located in the state of the barrel and the piston cylinder chamber Fig.

[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 four-cylinder retainer lever B card in the upper opening of the state of a schematic embodiment of the 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 block diagram illustrating the piston and the stopper lever C five 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 five-card retainer lever C on the upper end of the opening of the state of the syringe schematic embodiment of the present invention.

[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] label describe: I tip, 2 needle, needle seat 3, 4 sealing plug unit, the piston rod 5, 6 elastic rod A, 7 projection A, 8 elastic rod B, 9 projection B, 10 retainer lever A, ll projections C, 12 springs, stop lever 13 B, 14 retainer lever C, 15-pin 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] below in conjunction with the accompanying drawings and embodiments of the present invention will be described 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] 1, 2, 3, 5, 7, 10, 14 shown in FIG: one can puncture syringe combination which includes a syringe, needle hub 3, the piston, and the stop assembly the external force control piston cavity of the syringe barrel slide controls;

[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: the opening of the upper end of the barrel, the bottom has a liquid outlet of the hollow tube for mounting the needle hub 3 is connected to a 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 Figure 1: The control element of the needle, said needle including the needle tip I and 2, the bottom end of the needle tip 2 I connected, and the needle body 2 near the tip I place provided with a thread on the side walls;

[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] In addition, the puncture needle handle 15 also includes a needle, the needle shaft 15 is connected with the upper end of the needle body 2; the tip I was three prism 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] Figure 3: The piston located in the syringe barrel cavity, the piston includes a piston rod 4 and 5, the sealing plug unit 4 is a cross-sectional diameter of the syringe barrel cavity sealing plug portion match the inner diameter, the bottom end of the piston rod 5 is connected with the upper end face of the sealing stopper unit 4, the center rod 5 is provided with a threaded hole for the puncture needle is screwed into the threaded hole from the piston rod 5 start end face, the piston rod 5 extends downwardly along the radial direction;

[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] can not only control the movement of the piston, and can be used for puncturing. 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 the threaded hole of the piston, and by external control piston in the syringe barrel cavity movement, then the present invention can play with the same conventional syringe injection effect. 当穿刺针单独使用时,穿刺针可以用于穿刺。 When the needle used alone, the needle can be used to puncture.

[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, 8, 9, 11, 13, 15, 16, as shown in Figure 17: the limit assembly disposed on the piston, and when external force is applied When the upper end of the needle control piston sliding to the opening of the syringe, the limit on the card edge or syringe assembly at the upper end of the opening portion of the cylinder tube wall has a notch.

[0036] 实施例一: [0036] Example One:

[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] Figure 4, Figure 5, Figure 6: wherein the stop assembly of two or more uniformly distributed around the elastic rod 5 rod A6, A6 elastic rod portion of the sealing plug 4 is connected to the piston rod end or side wall surface 5, the elastic rod A6 of the upper back with a cross-section of the center cylinder extending projections A7, A6 so that when the elastic rod together with the piston cavity located in the syringe barrel, the elastic rod A6 limited to the syringe barrel wall, but with a tendency to expand outward; when the upper end of the piston to the upper end of the barrel of the opening movement, the elastic rod to the syringe opening movement A6, A6 outward expansion of the elastic rod and an elastic rod A6 A7 projections syringe stuck in the upper edge of the 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: elastic rod A6 are located together with the piston syringe barrel cavity, elastic rod A6 is limited to the syringe barrel wall, but with a tendency to expand outward. 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 is mounted on the hub 3, the needle is screwed into a threaded hole in the center of the piston rod 5 and the piston rod through the elastic force control A6 - when the syringe barrel from the chamber movement, then the present invention can play the same with the traditional syringe injection 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: elastic rod A6 is located in the upper end of the barrel opening, the outward expansion of the elastic rod A6 and A7 projections elastic rod A6 card in the opening of the upper edge of the barrel, elastic rod A6 has played a Limit The effect, then the invention can be used as a suction drainage device to 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: Before using the invention, the piston is in the bottom of the cavity of the syringe barrel. 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 needle is screwed into a threaded hole in the piston rod 5 is, secondly, the hub of the syringe liquid outlet connection 3 is inserted into the patient attached to the drainage pipe; then, an external force to the needle, control resilient piston rod A6 - from the upper end of the opening movement of the barrel, when the elastic rod A6 motion to the upper end of the barrel opening, expanding outward elastic rod A6 and A7 projections elastic rod A6 card in the upper barrel opening edge , the needle is removed, then the invention becomes a vacuum-assisted.

[0040] 实施例二: [0040] Example Two:

[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] Figure 7, Figure 8: Limit assembly of the present invention is two or more uniformly distributed in the elastic rod rod 5 around B8, B8 of the elastic rod and the sealing plug part 4 The upper end or the rod connected to the side wall surface 5, the upper end of the elastic rod cylinder B8 of the cross-section of the center with a back projection extending B9, is provided on the cylindrical wall of the barrel portion of the elastic rod B8 quantity corresponding to the position and raised a notch for piercing B9; and that when the elastic rod B8 located together with the piston cavity of the syringe barrel, the elastic rod B8 restricted to the syringe barrel wall, but the trend has outwardly flared; when the piston When the upper end of the syringe to the opening movement, the elastic rod is moved to the upper end of the syringe B8, B8 outward expansion and elastic rod elastic rod B8 B9 projection from the slot piercing.

[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] Figure 7: B8 elastic rod together with the piston located in the cylinder barrel cavity, elastic rod B8 restricted to the syringe barrel wall, but with a tendency to expand outward. 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 needle is attached to the threaded holes on the needle seat 3, and then the needle is screwed into the center of the piston 5, and by force of the control piston and the elastic rod B8 - from the chamber when the syringe barrel movement, then the present invention can be played with the traditional syringe injections 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] Figure 8: B8 elastic rod located at the top of the barrel, and the outward expansion of the elastic rod elastic rod B8 B8 B9 projection from the barrel portion of the tube wall with a slot piercing, elastic rod B8 played a role in the limit, in which case the invention can be used as a suction drainage device to 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: Before using the invention, the piston is in the bottom of the cavity of the syringe barrel. 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 needle is screwed into a threaded hole in the piston rod 5 is, secondly, the hub of the syringe liquid outlet connection 3 is inserted into the patient attached to the drainage pipe; an external force to the needle, the control piston elastic rod B8 - from the upper end of the opening movement of the barrel, when the elastic rod is moved to the upper end of the syringe B8, B8 outward expansion and elastic rod elastic rod B8 B9 projection from the barrel portion of the tube wall is provided notch wear clothing; Next, the needle is removed, this time, the invention serves as a suction drainage role.

[0044] 实施例三: [0044] Example Three:

[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 of the present invention, the stopper rod to A10, the upper end opening of said barrel portion of the opening, i.e., the upper edge of the opening with an inwardly extending rim, and is provided on the edge section of the gap, the end faces of the retainer lever AlO 4 and the sealing plug portion or side wall surface of the piston rod 5 is connected, the stopper rod is provided with an upper end facing away from AlO cross-section extending barrel projection center C11, such that when the piston towards the upper end of the opening movement of the syringe, the stopper is moved to the upper end of the cylinder rod AlO opening edge of the retainer lever AlO notch from the upper end opening of the barrel wear out external force to needle rotary piston, thereby bringing the retainer lever AlO rotated so that the projection on the edge Cll card syringe upper opening.

[0046] 如图10所示:限位杆AlO与活塞一起位于针筒筒腔内。 [0046] 10: stop lever AlO together with the piston cylinder chamber located in the 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 needle is attached to the threaded holes on the needle seat 3, and then the needle is screwed into the center of the piston 5 and the piston rod AlO by external control and limit - when the syringe barrel from the chamber movement, then the present invention They can play with the same conventional syringe injection 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] As shown in Figure 11: Limit bar AlO projections Cll card edge at the upper end opening of the barrel.

[0048] 如图12所示:所述针筒上端开口为部分开口。 [0048] 12: upper end 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, 11 and 12 analysis: the present invention as a suction drainage, simply limit the external force to the needle control lever AlO together with the piston to the upper end of the barrel of the opening movement, when the elastic rod AlO movement to the upper end of the syringe, the edge of the gap at the upper end of the retainer lever AlO from the syringe opening piercing, then artificially controlled rotary piston, thereby bringing AlO rotation stopper rods, so that the stopper rod can AlO projection CU card The upper edge of the barrel opening.

[0050] 实施例四: [0050] Example Four:

[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] shown in FIG. 13, 14: stop assembly according to the present invention comprises a spring 12 and two retainer lever B13, said two retainer lever B13 are fixed on both ends of the spring 12 It features on the piston rod 5 is perpendicular to the cylinder bore wall cavity springs 12, the spring 12 with the stopper rods B13 spring 12 penetrates the cavity so that the spring when the stopper rods with B13 12 together with the piston located When the syringe barrel cavity, limit spring 12 at both ends of the rod in contact with the syringe barrel wall B13, spring 12 is compressed; the upper end of the cylinder when the piston opening movement, limit motion to the upper end of the cylinder rod B13 opening outward expansion of the spring 12 and the retainer lever upper edge B13 stuck in the barrel opening.

[0052] 如图14所示:限位杆B13与活塞一起位于针筒筒腔内。 [0052] Figure 14: B13 retainer lever together with the piston cylinder chamber located in the 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 the needle attached to the needle seat 3, and then the needle is screwed into a threaded hole center rod 5, and by force of the control piston and the stopper rod B13 - from the chamber when the syringe barrel movement, then the present invention They can play with the same conventional syringe injection 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 Figure 15: B13 card retainer lever upper end opening in the barrel edge.

[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] Figure 3, Figure 16, Figure 17, Figure 18: the limit for the length of the assembly is greater than the cross-sectional diameter of the syringe barrel cavity stopper rod C14, is provided on said vertical rod 5 in the syringe barrel wall cavity, and a cross-sectional diameter of the cavity of the stopper rod C14 matches the cross-sectional diameter, so that the upper end of the cylinder when the piston opening movement, the cavity of the piston rod 5 located on top of the barrel when the stopper rod C14 artificially inserted into the cavity on the piston rod 5, limit the upper end of the cylinder rod C14 card in the 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] Figure 3: piston rod has a cavity located on the syringe barrel cavity, when the needle is attached to the needle holder 3, and then the needle is screwed into a threaded hole in the center of the piston rod 5, and by external control piston in the syringe barrel cavity movement, then the present invention can play with the same conventional syringe injection 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 Figure 18: When the piston to the upper end of the opening movement of the syringe, the hollow piston rod 5 is located above the barrel, the stopper rod C14 artificially inserted into the cavity on the piston rod 5 , limit the upper end of the cylinder rod C14 card in the opening edge.

Citas de patentes
Patente citada Fecha de presentación Fecha de publicación Solicitante Título
CN201329103Y *8 Ene 200921 Oct 2009魏秀华Destructing type disposable syringe
CN203802894U *14 Abr 20143 Sep 2014林新颖Combined injection syringe capable of carrying out puncture
US5413564 *2 Mar 19949 May 1995Silver; JulesPredetermined dosage hypodermic syringe system
Citada por
Patente citante Fecha de presentación Fecha de publicación Solicitante Título
CN105455948A *23 Ene 20166 Abr 2016王翠兰Tympanocentesis and intratympanic injection medical equipment
Clasificaciones
Clasificación internacionalA61B17/34, A61M5/178, A61M1/00
Eventos legales
FechaCódigoEventoDescripción
9 Jul 2014C06Publication
6 Ago 2014C10Entry into substantive examination
16 Mar 2016C14Grant of patent or utility model