WO2015081557A1 - Combined seal cover for needleless infusion - Google Patents

Combined seal cover for needleless infusion Download PDF

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Publication number
WO2015081557A1
WO2015081557A1 PCT/CN2013/088763 CN2013088763W WO2015081557A1 WO 2015081557 A1 WO2015081557 A1 WO 2015081557A1 CN 2013088763 W CN2013088763 W CN 2013088763W WO 2015081557 A1 WO2015081557 A1 WO 2015081557A1
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WO
WIPO (PCT)
Prior art keywords
cover
needle
joint
sealing
groove
Prior art date
Application number
PCT/CN2013/088763
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French (fr)
Chinese (zh)
Inventor
吴红清
Original Assignee
江阴市鸿萌橡塑制品有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 江阴市鸿萌橡塑制品有限公司 filed Critical 江阴市鸿萌橡塑制品有限公司
Priority to DE112013005489.2T priority Critical patent/DE112013005489T5/en
Publication of WO2015081557A1 publication Critical patent/WO2015081557A1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1475Inlet or outlet ports
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1475Inlet or outlet ports
    • A61J1/1487Inlet or outlet ports with friction fit, e.g. connecting tubes directly to a protruding port
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10Bag-type containers

Definitions

  • the invention relates to the technical field of clinical medicine, in particular to a combined sealing cover for needle-free infusion.
  • Intravenous injection of human body has been widely used in the field of medicine and health in recent years due to its rapid efficacy.
  • the sealing cover is used as a sealing fitting for an infusion bottle or an infusion bag, and its structure and materials are also continuously improved during actual use.
  • a combination of a variety of drugs is often required, especially the extensive and extensive application of antibiotics. Repeated puncture of the stopper during the connection of the infusion tube and the dissolution of the drug will cause the smear particles to enter the drug solution.
  • the object of the present invention is to overcome the defects existing in the prior art and provide a combined sealing cover for needle-free infusion, which has the advantages of simple structure and convenient use, and can realize needle-free operation of infusion and dosing. Thoroughly avoid the phenomenon of falling debris in the liquid storage container.
  • a combination sealing cover for needle-free infusion characterized in that the combined sealing cover comprises an outer cover, an inner cover, a joint, an elastic sealing piece and an inner core, the outer cover comprising a cover body and a mouthpiece for the liquid storage container Cooperating with the connected cover seat, the cover body of the upper end of the cover seat cover is sealingly connected, the inner cover is disposed in the cover seat and is tightly engaged with the cover seat, and the inner cover is provided with a liquid outlet.
  • a positioning ring or a positioning hole is disposed around the upper portion of the liquid outlet, and the positioning ring or the positioning hole is provided with a support member for allowing liquid to pass therethrough, and the bottom end of the joint is matched with the positioning ring or the positioning hole.
  • a top end of the support member is pressed against a bottom surface of the elastic sealing sheet, and an outer edge of the upper surface of the elastic sealing sheet is in contact with the inner surface of the inner step of the joint, and the joint is provided with a needle
  • the infusion tube connector buckles and pushes the elastic sealing piece to allow the liquid to flow out of the inner core, and the bottom surface of the inner core is in contact with the upper surface of the elastic sealing sheet.
  • a preferred embodiment is that the outer contour of the joint is a stepped shaft, and the inner cavity of the joint is a stepped hole concentric with the outer contour of the joint, and the stepped shaft includes a first stepped shaft and a second stepped shaft.
  • the stepped hole includes a first stepped hole, a second stepped hole and a third stepped hole, the first stepped shaft is sleeved in the positioning ring, and the elastic sealing piece is disposed at the first In the stepped hole, the outer surface of the third stepped shaft is provided with a connecting structure that cooperates with the needleless infusion tube joint, and the inner core is sleeved in the second stepped hole and the third stepped hole.
  • the cover seat and the cover body are integrated, and the cover body is on the cover body.
  • the inner surface of the joint of the cover seat and the cover body is provided with an annular groove, and the inner surface of the cover is provided with a tear recess for separating the cover seat from the cover body along the annular groove groove.
  • the connecting structure is an external thread, or an L-shaped buckle groove, or a convex buckle.
  • the inner cover is provided with a dosing port, and a dosing guide cylinder is disposed around the upper side of the dosing port, and the dosing port or the dosing guide tube is provided with Dosing seal structure.
  • the support member has a sheet shape, and the upper portion of the sheet-shaped support member has a vertex angle. A sleek transition of an isosceles triangle or trapezoid.
  • the upper outer contour of the support member is a pyramid or a cone with a rounded corner transition.
  • the second stepped hole is provided in the second stepped hole.
  • a horizontal limiting strip passing through the axis of the second stepped hole, the horizontal limiting strip is disposed in close contact with the upper surface of the elastic sealing piece, and the bottom of the inner core is provided with a slit, and the two sides of the opening The leg flanges cooperate with the second step holes on both sides of the horizontal limiting strip.
  • the cavity connecting the third stepped hole from the one end of the third stepped hole to the middle of the third stepped hole is an inverted truncated cone shape.
  • the manufacturing mold has a simple structure.
  • the preferred technical solution is that the tearing groove is a thread-shaped groove, and one end of the threaded groove is oppositely disposed on the pull ring and the cover body. At the joint, the other end of the threaded groove smoothly transitions into the annular groove.
  • the manufacturing mold has a simple structure.
  • the tearing groove may include an opening groove disposed on the inner surface of the cover, the opening groove and the opening The connection of the pull ring and the cover is oppositely disposed, and one end of the open groove is connected to the annular groove through a linear groove provided on the top surface of the cover and the inner surface of the side wall.
  • the dosing port is disposed on the inner lid or on the positioning ring of the liquid outlet.
  • the medicated sealing structure is the same as the needleless infusion structure composed of the joint, the elastic sealing sheet, the inner core and the support.
  • the medicated sealing structure is an elastic gasket or a sealing plug.
  • the two legs push the sealing piece out to form a gap between the sealing piece and the joint.
  • the preferred technical solution is that the level The limit strip is disposed perpendicular to the sheet support.
  • a preferred embodiment is that the bottom of the support member is provided with a recess opposite to the liquid outlet.
  • the preferred technical solution may also be that the elastic seal is provided with a cross hole, and the elastic seal is further
  • the fitting bag is provided with a sealing cover, and the sealing cover is connected with the positioning ring by a thread or a snap fit.
  • the combined sealing plug has a simple structure and is convenient to manufacture
  • the combined sealing cap is convenient to use, not only reduces the working intensity of the infusion staff, but also avoids the disease infection caused by the accidental injury of the needle;
  • the terminal filter originally added to the infusion tube can be omitted.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of a combined sealing cap for needle-free infusion according to the present invention
  • Figure 2 is a schematic structural view of the outer cover of Figure 1;
  • Figure 3 is a schematic view showing another structure of Embodiment 1;
  • Figure 4 is a top plan view of the inner cover of Figure 1;
  • Figure 5 is a cross-sectional view of A-A in Figure 4.
  • Figure 6 is a schematic perspective view of Figure 4.
  • Figure 7 is a schematic perspective view of the joint of Figure 1;
  • Figure 8 is a cross-sectional structural view of the joint of Figure 1 along the axis;
  • Figure 9 is a schematic perspective view of the inner core of Figure 1;
  • Figure 10 is a usage state diagram of Figure 1;
  • FIG 11 is another use state diagram of Figure 2;
  • Figure 12 is a schematic structural view of Embodiment 2.
  • Figure 13 is a plan view of Figure 12;
  • Figure 14 is a schematic structural view of Embodiment 3.
  • Figure 15 is a bottom plan view of the cover body of Embodiment 4.
  • Figure 16 is a cross-sectional view taken along line C-C' of Figure 14;
  • Figure 17 is a cross-sectional view taken along line BB' of Figure 14;
  • Figure 18 is a schematic plan view showing the inner cover of the embodiment 5.
  • the embodiment is a combined sealing cover 1 for needle-free infusion
  • the combined sealing cover 1 includes an outer cover 2 , the inner cover 3 , the joint 4 , the elastic sealing piece 5 and the inner core 6
  • the outer cover 2 comprises a cover 7 and a cover 8 for engaging with the mouth of the liquid storage container
  • the inner cover 3 is disposed in the cover 8 and is tightly engaged with the cover 8.
  • the inner cover 3 is provided with a liquid outlet 9 , and a positioning ring 10 is disposed around the upper portion of the liquid outlet 9 , and the positioning ring 10
  • a support member 11 through which the liquid can pass is disposed, and the bottom end of the joint 4 is engaged with the positioning ring 10, and the top end of the support member 11 is pressed against the bottom surface of the elastic sealing sheet 5, and the elastic sealing sheet 5
  • the outer edge of the upper surface is in contact with the lower surface of the inner step of the joint 4, and the inner core 6 is provided in the joint 4 for engaging with the needleless infusion tube joint 33 and pushing the elastic sealing piece 5 to let the liquid flow out, the inner core 6
  • the bottom surface is in contact with the upper surface of the elastic sealing sheet 5.
  • the outer contour of the joint 4 is a stepped shaft
  • the joint 4 The inner cavity is a stepped hole concentric with the outer contour of the joint
  • the stepped shaft includes a first stepped shaft 12, a second stepped shaft 13 and a third stepped shaft 14, and the stepped hole includes a first stepped hole 15 and a second stepped hole 16
  • the third stepped hole 17 the first stepped shaft 12 is sleeved in the positioning ring 10
  • the elastic sealing piece 5 is disposed in the first stepped hole 15, and the outer surface of the third stepped shaft 14 is provided with the needleless infusion tube joint 33
  • Cooperating connection structure 18, the inner core 6 is sleeved in the second stepped hole 15 and the third stepped hole 16.
  • the cover 8 and the cover 7 are integrated, and the cover 7 is provided with a pull ring 19, a cover 8 and a cover 7
  • the inner surface of the joint is provided with an annular groove 21, and the inner surface of the cover 7 is provided with a tear groove for separating the cover 8 from the cover 7 along the annular groove.
  • the connecting structure 18 is an external thread.
  • the inner cover 8 is provided with a dosing port 25, and a dosing guide cylinder 29 is also disposed around the upper side of the dosing port 25.
  • the dosing port 25 or the dosing guide cylinder 29 is provided with a dosing sealing structure 26 .
  • the support member 11 is in the form of a sheet, and the upper portion of the sheet-like support member is an isosceles triangle or a trapezoid having a rounded transition angle.
  • the second stepped hole 15 is provided with a horizontal limiting strip 22 passing through the axis of the second stepped hole 15, and the horizontal limiting strip 22 is attached to the upper surface of the elastic sealing piece 5, and the bottom of the inner core 6 is provided with a slit 23, the legs 24 on both sides of the slit 23 and the second stepped holes on both sides of the horizontal limiting strip 22 Match.
  • the tear groove is a threaded groove 20, and one end of the threaded groove 20 is oppositely disposed on the ring 19 and the cover 7 At the joint, the other end of the threaded groove 20 smoothly transitions into the annular groove 21.
  • the third stepped hole 16 is connected to the needleless infusion tube from one end to the third stepped hole 16
  • the cavity in the middle is an inverted truncated cone shape.
  • the medicated sealing structure 26 is an elastomeric gasket 28 or a sealing plug.
  • the dosing port 25 is provided on the inner cover 3.
  • the horizontal limit strip 22 is disposed perpendicular to the sheet-like support member.
  • the bottom of the support member 11 is provided with a recess 27 provided opposite to the liquid outlet 9.
  • the second embodiment differs from the first embodiment in that the dosing port 25 is provided on the positioning ring 10 of the liquid outlet 9.
  • Embodiment 3 differs from Embodiment 1 in that the medicated sealing structure 26 and the joint 4, the elastic sealing sheet 5, and the inner core 6 It has the same needle-free infusion structure as the support member 11.
  • Embodiment 4 is different from Embodiment 1 in that the tear groove includes an opening groove 31 provided in the inner surface of the cover, and the opening groove 31 Opposite to the joint of the tab 19 and the cover 7, one end of the opening recess 31 is connected to the annular recess 21 by a linear groove 32 provided on the top surface of the cover 7 and the inner surface of the side wall.
  • Embodiment 5 differs from Embodiment 1 in that the upper outer contour of the support member 11 is a pyramid having a rounded corner transition.
  • a cross hole may be disposed on the elastic sealing pad, and a sealing cover is further disposed on the outer surface of the elastic sealing pad, and the sealing cover and the positioning ring are connected by a snap fit;
  • the support member may also be a cone provided with a plurality of through holes The body or the frustum; the support ring or the positioning hole is provided with a support column, and the top end of the support column is attached to the bottom surface of the joint.
  • the combined sealing cover embodiment 1 The working principle is as follows: when infusion is needed, the pull ring is first pulled, the cover body is torn along the spiral groove to the annular groove, and the joint of the infusion tube connection end is screwed to the joint in the invention, and the infusion tube is connected. The protruding connecting pipe on the joint of the end bears against the inner core, and the inner core presses the elastic sealing piece, and the combined sealing cover communicates with the infusion pipe.
  • you need to add medicine you only need to connect the port of the dosing syringe to the connector. Press the syringe to add the drug to the liquid container such as the infusion bottle, or screw the sealing cap out and insert the needle into the center of the cross hole of the elastic sealing pad. Press the syringe to add the drug to a reservoir such as an infusion bottle.
  • the invention is used for sealing a container for containing a medical liquid, and is mainly used for the needle-free infusion operation with a needle-free infusion tube.
  • the combined sealing cover made of the inner cover, the outer cover, the joint, the sealing piece and the inner core is simple in structure, and is convenient to be fastened with the infusion tube joint, completely solving the needle puncture caused by the prior art.

Abstract

A combined seal cover (1) for needleless infusion. The combined seal cover (1) comprises an outer cover (2), an inner cover (3), a joint (4), an elastic seal piece (5), and an inner core (6). The outer cover (2) comprises a cover body (7) and a cover base (8) used for being fittingly connected to an opening of a liquid storage container. The cover base (8) and the cover body (7) are hermetically connected. The inner cover (3) is disposed in the cover base (8) and is in close fit with the cover base (8). A liquid outlet (9) is disposed on the inner cover (3). A positioning ring (10) is peripherally disposed above the liquid outlet (9). A support piece (11) allowing liquid to pass through is disposed in the positioning ring (10). The bottom end of the joint (4) is fitted to the positioning ring (10). The tip of the support piece (11) presses the bottom of the elastic seal piece (5). The outer edge of the upper surface of the elastic seal piece (5) is in contact fit with the lower surface of an inner step of the joint (4). The inner core (6) used for being fastened with a needleless infusion tube joint (33) and pushing the elastic seal piece (5) to enable liquid to flow out is disposed in the joint (4). The bottom surface of the inner core (6) is in contact fit with the upper surface of the elastic seal piece (5). The combined seal cover (1) avoids rubber chips in an infusion bottle, and is convenient to use.

Description

一种无针输液用组合密封盖  Combined sealing cover for needleless infusion 技术领域Technical field
本发明涉及临床医学技术领域,具体涉及一种无针输液用组合密封盖。 The invention relates to the technical field of clinical medicine, in particular to a combined sealing cover for needle-free infusion.
背景技术Background technique
人体静脉注射因药效迅速,近些年在医药卫生领域得到了广泛应用。密封盖作为输液瓶或输液袋的密封配件,其结构和材料也在实际使用过程中被不断的改进。在临床静脉给药治疗中,常需要多种药物联合应用,尤其是抗生素的广泛、大量应用,在连接输液管和溶解加药过程中反复穿刺瓶塞,会导致塞屑微粒进入药液。 Intravenous injection of human body has been widely used in the field of medicine and health in recent years due to its rapid efficacy. The sealing cover is used as a sealing fitting for an infusion bottle or an infusion bag, and its structure and materials are also continuously improved during actual use. In the clinical intravenous drug therapy, a combination of a variety of drugs is often required, especially the extensive and extensive application of antibiotics. Repeated puncture of the stopper during the connection of the infusion tube and the dissolution of the drug will cause the smear particles to enter the drug solution.
有研究证明,用 16 号针头穿刺 2 枚次胶塞脱屑率可达 42.3% , 6 枚次可达 100% 。由输液带入人体的微粒所造成的危害已众所周知。所以,人们采用了多种方法控制进入人体的微粒数量,特别是输液管末端的终端滤器的使用有效地阻止了进入人体的微粒数。近年来,终端滤器对各种大小微粒滤过的差异已经引起了人们的关注。这些终端滤器对微粒的滤过不安全,人们在输液的制备、使用过程中仍应尽量避免微粒的污染。 Studies have shown that with a 16-gauge needle puncture 2 times, the rubber chipping rate can reach 42.3%, 6 times up to 100% . The hazards posed by particles introduced into the body by infusion are well known. Therefore, various methods have been used to control the amount of particles entering the body, and in particular, the use of a terminal filter at the end of the infusion tube effectively prevents the number of particles entering the body. In recent years, the difference in the filtration of various sizes of the terminal filter has attracted people's attention. These terminal filters are not safe for filtration of particles, and people should try to avoid particle contamination during the preparation and use of infusion.
因此,要彻底解决胶屑微粒对输液者健康的伤害,有必要对现有技术中的密封盖做无针化方向的改进。 Therefore, in order to completely solve the damage of the rubber particles to the health of the infusion, it is necessary to improve the needle-free direction of the sealing cover in the prior art.
技术问题technical problem
本发明的目的在于克服现有技术中存在的缺陷,提供一种无针输液用组合密封盖,该无针输液用组合密封盖结构简单、使用方便,可实现输液和加药的无针操作,彻底避免储液容器中落屑的现象。 The object of the present invention is to overcome the defects existing in the prior art and provide a combined sealing cover for needle-free infusion, which has the advantages of simple structure and convenient use, and can realize needle-free operation of infusion and dosing. Thoroughly avoid the phenomenon of falling debris in the liquid storage container.
技术解决方案Technical solution
为实现上述技术效果,本发明的技术方案为: 一种无针输液用组合密封盖,其特征在于,所述组合密封盖包括外盖、内盖、接头、弹性密封片和内芯,所述外盖包括盖体和用于与储液容器口配合连接的盖座,所述盖座盖座上端的盖体之间密封连接,所述内盖设置在所述盖座中并与盖座紧配合,所述内盖上设置有出液口,在所述出液口的上方周围设置有定位环或定位孔,所述定位环或定位孔内设置有可使液体通过的支撑件,所述接头的底端与所述定位环或定位孔配合,所述支撑件的顶尖顶压在所述弹性密封片的底面,所述弹性密封片的上表面外缘与所述接头的内台阶下表面接触配合,所述接头内设置有用于与无针输液管接头对扣并推动弹性密封片使液体流出的内芯,所述内芯的底面与所述弹性密封片上表面接触配合。 In order to achieve the above technical effects, the technical solution of the present invention is: A combination sealing cover for needle-free infusion, characterized in that the combined sealing cover comprises an outer cover, an inner cover, a joint, an elastic sealing piece and an inner core, the outer cover comprising a cover body and a mouthpiece for the liquid storage container Cooperating with the connected cover seat, the cover body of the upper end of the cover seat cover is sealingly connected, the inner cover is disposed in the cover seat and is tightly engaged with the cover seat, and the inner cover is provided with a liquid outlet. A positioning ring or a positioning hole is disposed around the upper portion of the liquid outlet, and the positioning ring or the positioning hole is provided with a support member for allowing liquid to pass therethrough, and the bottom end of the joint is matched with the positioning ring or the positioning hole. a top end of the support member is pressed against a bottom surface of the elastic sealing sheet, and an outer edge of the upper surface of the elastic sealing sheet is in contact with the inner surface of the inner step of the joint, and the joint is provided with a needle The infusion tube connector buckles and pushes the elastic sealing piece to allow the liquid to flow out of the inner core, and the bottom surface of the inner core is in contact with the upper surface of the elastic sealing sheet.
为了简化结构,优选的技术方案为,所述接头的外轮廓为阶梯轴,所述接头的内腔为与接头外轮廓同心的阶梯孔,所述阶梯轴包括第一阶梯轴、第二阶梯轴和第三阶梯轴,所述阶梯孔包括第一阶梯孔、第二阶梯孔和第三阶梯孔,所述第一阶梯轴套设在所述定位环内,所述弹性密封片设置在第一阶梯孔内,所述第三阶梯轴的外表面设置有与无针输液管接头配合的连接结构,所述内芯套设在所述第二阶梯孔和第三阶梯孔内。 In order to simplify the structure, a preferred embodiment is that the outer contour of the joint is a stepped shaft, and the inner cavity of the joint is a stepped hole concentric with the outer contour of the joint, and the stepped shaft includes a first stepped shaft and a second stepped shaft. And a third stepped shaft, the stepped hole includes a first stepped hole, a second stepped hole and a third stepped hole, the first stepped shaft is sleeved in the positioning ring, and the elastic sealing piece is disposed at the first In the stepped hole, the outer surface of the third stepped shaft is provided with a connecting structure that cooperates with the needleless infusion tube joint, and the inner core is sleeved in the second stepped hole and the third stepped hole.
为了保证密封盖组装在输液瓶或输液袋上后运输储藏过程中盖体内保持无菌环境,避免污染药物,优选的技术方案为,所述盖座和盖体为一体式,所述盖体上设置有拉环,所述盖座和盖体的连接处内表面设置有环状凹槽,所述盖体内表面设置有用于沿所述环状凹槽将盖座与盖体分离的撕拉凹槽。 In order to ensure that the sealing cover is assembled on the infusion bottle or the infusion bag, the aseptic environment is maintained in the cover body during transportation and storage, and the drug is prevented from being contaminated. The preferred technical solution is that the cover seat and the cover body are integrated, and the cover body is on the cover body. Provided with a pull ring, the inner surface of the joint of the cover seat and the cover body is provided with an annular groove, and the inner surface of the cover is provided with a tear recess for separating the cover seat from the cover body along the annular groove groove.
为了操作方便,优选的技术方案为,所述连接结构为外螺纹,或为 L 形扣槽,或为凸扣。 For the convenience of operation, a preferred technical solution is that the connecting structure is an external thread, or an L-shaped buckle groove, or a convex buckle.
为了方便加药,优选的技术方案为,所述内盖上设置有加药口,所述加药口的上方周围设置有加药导向筒,所述加药口或加药导向筒上设置有加药密封结构。 In order to facilitate the dosing, a preferred embodiment is that the inner cover is provided with a dosing port, and a dosing guide cylinder is disposed around the upper side of the dosing port, and the dosing port or the dosing guide tube is provided with Dosing seal structure.
为了简化组合密封盖结构,方便制造,而且尽量减小支撑件对出液口出液的阻力,优选的技术方案为,所述支撑件为片状,所述片状支撑件的上部为顶角圆滑过渡的等腰三角形或梯形。 In order to simplify the structure of the combined sealing cover, to facilitate the manufacture, and to minimize the resistance of the support member to the liquid outlet of the liquid outlet, the preferred technical solution is that the support member has a sheet shape, and the upper portion of the sheet-shaped support member has a vertex angle. A sleek transition of an isosceles triangle or trapezoid.
优选的技术方案还可以为,所述支撑件的上部外轮廓为顶角圆滑过渡的棱锥或圆锥。 In a preferred technical solution, the upper outer contour of the support member is a pyramid or a cone with a rounded corner transition.
为了对密封片形成一定的夹持力,避免密封片经液体药物润滑后内芯按压时发生位移,导致难以复位,以致发生漏液,优选的技术方案为,所述第二阶梯孔内设置有穿过所述第二阶梯孔轴心的水平限位条,所述水平限位条与所述弹性密封片的上表面贴合设置,所述内芯底部设置有豁口,所述豁口两侧的支脚凸边与所述水平限位条两侧的第二阶梯孔相配合。 In order to form a certain clamping force on the sealing sheet, it is prevented that the sealing sheet is displaced when the inner core is pressed by the liquid medicine, which makes it difficult to reset, so that liquid leakage occurs. Preferably, the second stepped hole is provided in the second stepped hole. a horizontal limiting strip passing through the axis of the second stepped hole, the horizontal limiting strip is disposed in close contact with the upper surface of the elastic sealing piece, and the bottom of the inner core is provided with a slit, and the two sides of the opening The leg flanges cooperate with the second step holes on both sides of the horizontal limiting strip.
为了方便装配并锁定内芯,优选的技术方案为,所述第三阶梯孔与无针输液管连接的一端至第三阶梯孔中部的空腔为倒圆锥台形。 In order to facilitate assembly and locking of the inner core, a preferred solution is that the cavity connecting the third stepped hole from the one end of the third stepped hole to the middle of the third stepped hole is an inverted truncated cone shape.
为了保证盖体的撕拉快捷方便,制造模具结构简单,优选的技术方案为,所述撕拉凹槽为螺纹状凹槽,所述螺纹装凹槽的一端相对设置在拉环与盖体的连接处,所述螺纹状凹槽另一端平滑过渡至环状凹槽中。 In order to ensure the quick and convenient tearing of the cover body, the manufacturing mold has a simple structure. The preferred technical solution is that the tearing groove is a thread-shaped groove, and one end of the threaded groove is oppositely disposed on the pull ring and the cover body. At the joint, the other end of the threaded groove smoothly transitions into the annular groove.
为了保证盖体的撕拉快捷方便,制造模具结构简单,优选的技术方案还可以为,所述撕拉凹槽包括设置在所述盖体内表面的开口凹槽,所述开口凹槽与所述拉环与盖体的连接处相对设置,所述开口凹槽的一端通过设置在所述盖体顶面和侧壁内表面的线型凹槽与所述环状凹槽连接。 In order to ensure that the tearing of the cover body is quick and convenient, the manufacturing mold has a simple structure. In a preferred technical solution, the tearing groove may include an opening groove disposed on the inner surface of the cover, the opening groove and the opening The connection of the pull ring and the cover is oppositely disposed, and one end of the open groove is connected to the annular groove through a linear groove provided on the top surface of the cover and the inner surface of the side wall.
为了实现咋输液过程中加药,优选的技术方案为,所述加药口设置在所述内盖上,或者设置在所述出液口的定位环上。 In order to achieve dosing during the infusion process, a preferred solution is that the dosing port is disposed on the inner lid or on the positioning ring of the liquid outlet.
频繁加药更易产生胶屑,优选的技术方案为,所述加药密封结构与所述接头、弹性密封片、内芯和支撑件组成的无针输液结构相同。 Frequent dosing is more likely to produce swarf. The preferred embodiment is that the medicated sealing structure is the same as the needleless infusion structure composed of the joint, the elastic sealing sheet, the inner core and the support.
为了保证加药口的密封性,优选的技术方案还可以为,所述加药密封结构为弹性密封垫或密封塞。 In order to ensure the tightness of the filling port, a preferred technical solution may also be that the medicated sealing structure is an elastic gasket or a sealing plug.
内芯经按压后,两支脚将密封片顶出,使密封片与接头之间形成间隙,为了方便药物能顺畅的流出,并同时保证密封片不发生位移,优选的技术方案为,所述水平限位条与所述片状支撑件相垂直设置。 After the inner core is pressed, the two legs push the sealing piece out to form a gap between the sealing piece and the joint. In order to facilitate the smooth outflow of the medicine and at the same time ensure that the sealing piece does not shift, the preferred technical solution is that the level The limit strip is disposed perpendicular to the sheet support.
为了进一步减小支撑件对出液口出液的阻力,优选的技术方案为,所述支撑件的底部设置有与出液口相对设置的凹口。 In order to further reduce the resistance of the support member to the liquid outlet of the liquid outlet, a preferred embodiment is that the bottom of the support member is provided with a recess opposite to the liquid outlet.
外盖开启后,为了保证在输液过程中能实现无菌加药,并避免出现漏夜等现象,优选的技术方案还可以为,所述弹性密封垫上设置有十字口,所述弹性密封垫外还贴合包设有密封盖,所述密封盖与所述定位环通过螺纹或卡扣配合连接。 After the cover is opened, in order to ensure the aseptic dosing during the infusion process, and to avoid the phenomenon of leakage, etc., the preferred technical solution may also be that the elastic seal is provided with a cross hole, and the elastic seal is further The fitting bag is provided with a sealing cover, and the sealing cover is connected with the positioning ring by a thread or a snap fit.
有益效果Beneficial effect
通过使用组合密封瓶塞 ,完全避免出现输液瓶中含胶屑微粒的现象; By using a combined sealed stopper, the phenomenon of inclusion of debris particles in the infusion bottle is completely avoided;
该组合密封塞结构简单,制造方便; The combined sealing plug has a simple structure and is convenient to manufacture;
该组合密封盖使用方便,不仅减轻输液人员工作强度,而且避免了使用针头意外伤害而造成的疾病传染等; The combined sealing cap is convenient to use, not only reduces the working intensity of the infusion staff, but also avoids the disease infection caused by the accidental injury of the needle;
可省去原来增设在输液管中的终端滤器。 The terminal filter originally added to the infusion tube can be omitted.
附图说明DRAWINGS
图 1 是本发明 无针输液用组合密封盖实施例 1 的结构示意图 ; 1 is a schematic structural view of Embodiment 1 of a combined sealing cap for needle-free infusion according to the present invention;
图 2 是图 1 中外盖的结构示意图; Figure 2 is a schematic structural view of the outer cover of Figure 1;
图 3 是实施例 1 的另一结构示意 图; Figure 3 is a schematic view showing another structure of Embodiment 1;
图 4 是图 1 中内盖的俯视结构示意图; Figure 4 is a top plan view of the inner cover of Figure 1;
图 5 是图 4 中 A-A 的剖视图; Figure 5 is a cross-sectional view of A-A in Figure 4;
图 6 是图 4 的立体结构示意图; Figure 6 is a schematic perspective view of Figure 4;
图 7 是图 1 中接头的立体结构示意图; Figure 7 is a schematic perspective view of the joint of Figure 1;
图 8 是图 1 中接头沿轴心的剖视结构示意图; Figure 8 is a cross-sectional structural view of the joint of Figure 1 along the axis;
图 9 是图 1 中内芯的立体结构示意图; Figure 9 is a schematic perspective view of the inner core of Figure 1;
图 10 是图 1 的使用状态图; Figure 10 is a usage state diagram of Figure 1;
图 11 是图 2 的另一使用状态图; Figure 11 is another use state diagram of Figure 2;
图 12 是实施例 2 的结构示意图; Figure 12 is a schematic structural view of Embodiment 2;
图 13 是图 12 的俯视图; Figure 13 is a plan view of Figure 12;
图 14 实施例 3 的结构示意图; Figure 14 is a schematic structural view of Embodiment 3;
图 15 是实施例 4 中盖体的仰视图; Figure 15 is a bottom plan view of the cover body of Embodiment 4;
图 16 是图 14 的 C-C' 剖视图; Figure 16 is a cross-sectional view taken along line C-C' of Figure 14;
图 17 是图 14 的 B-B' 剖视图; Figure 17 is a cross-sectional view taken along line BB' of Figure 14;
图 18 是实施例 5 中内盖的俯视结构示意图。 Figure 18 is a schematic plan view showing the inner cover of the embodiment 5.
图中: 1 、 组合密封盖; 2 、外盖; 3 、内盖; 4 、接头; 5 、弹性密封片; 6 、内芯; 7 、盖体; 8 、盖座; 9 、出液口; 10 、定位环; 11 、支撑件; 12 、第一阶梯轴; 13 、第二阶梯轴; 14 、第三阶梯轴; 15 、第一阶梯孔; 16 、第二阶梯孔; 17 、第三阶梯孔; 18 、连接结构; 19 、拉环; 20 、螺纹状凹槽; 21 、环状凹槽; 22 、水平限位条; 23 、豁口; 24 、支脚; 25 、加药口; 26 、加药密封结构; 27 、凹口; 28 、弹性密封垫; 29 、加药导向筒; 30 、定位孔; 31 、开口凹槽; 32 、线型凹槽; 33 、无针输液管接头。 In the figure: 1, combined sealing cover; 2, outer cover; 3, inner cover; 4, joint; 5, elastic sealing sheet; , inner core; 7 , cover body; 8 , cover seat; 9 , liquid outlet; 10 , positioning ring; 11 , support member; 12 , first stepped shaft; 13 , second stepped shaft; 14 , third stepped shaft ; 15 , the first stepped hole; 16 , the second stepped hole; 17 , the third stepped hole; 18 , the connection structure; 19 , the pull ring; 20 , the threaded groove; 21 , the annular groove; , horizontal limit strip; 23, gap; 24, feet; 25, dosing port; 26, dosing sealing structure; 27, notch; 28, elastic gasket; 29, dosing guide tube; , positioning hole; 31, open groove; 32, linear groove; 33, needleless infusion tube connector.
本发明的实施方式Embodiments of the invention
下面结合附图和实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。 The specific embodiments of the present invention are further described below in conjunction with the drawings and embodiments. The following examples are only intended to more clearly illustrate the technical solutions of the present invention, and are not intended to limit the scope of the present invention.
实施例 1 Example 1
如图 1 和图 11 所示,实施例为 一种无针输液用组合密封盖 1 ,组合密封盖 1 包括外盖 2 、内盖 3 、接头 4 、弹性密封片 5 和内芯 6 ,外盖 2 包括盖体 7 和用于与储液容器口配合连接的盖座 8 ,盖座 8 和盖体 7 之间密封连接,内盖 3 设置在盖座 8 中并与盖座 8 紧配合,内盖 3 上设置有出液口 9 ,在出液口 9 的上方周围设置有定位环 10 ,定位环 10 内设置有可使液体通过的支撑件 11 ,接头 4 的底端与定位环 10 配合,支撑件 11 的顶尖顶压在弹性密封片 5 的底面,弹性密封片 5 的上表面外缘与接头 4 内台阶下表面接触配合,接头 4 内设置有用于与无针输液管接头 33 对扣并推动弹性密封片 5 使液体流出的内芯 6 ,内芯 6 的底面与弹性密封片 5 上表面接触配合。 As shown in FIG. 1 and FIG. 11 , the embodiment is a combined sealing cover 1 for needle-free infusion, and the combined sealing cover 1 includes an outer cover 2 , the inner cover 3 , the joint 4 , the elastic sealing piece 5 and the inner core 6 , the outer cover 2 comprises a cover 7 and a cover 8 for engaging with the mouth of the liquid storage container, the cover 8 and the cover 7 The inner cover 3 is disposed in the cover 8 and is tightly engaged with the cover 8. The inner cover 3 is provided with a liquid outlet 9 , and a positioning ring 10 is disposed around the upper portion of the liquid outlet 9 , and the positioning ring 10 A support member 11 through which the liquid can pass is disposed, and the bottom end of the joint 4 is engaged with the positioning ring 10, and the top end of the support member 11 is pressed against the bottom surface of the elastic sealing sheet 5, and the elastic sealing sheet 5 The outer edge of the upper surface is in contact with the lower surface of the inner step of the joint 4, and the inner core 6 is provided in the joint 4 for engaging with the needleless infusion tube joint 33 and pushing the elastic sealing piece 5 to let the liquid flow out, the inner core 6 The bottom surface is in contact with the upper surface of the elastic sealing sheet 5.
在本实施例中,接头 4 的外轮廓为阶梯轴,接头 4 的内腔为与接头外轮廓同心的阶梯孔,阶梯轴包括第一阶梯轴 12 、第二阶梯轴 13 和第三阶梯轴 14 ,阶梯孔包括第一阶梯孔 15 、第二阶梯孔 16 和第三阶梯孔 17 ,第一阶梯轴 12 套设在定位环 10 内,弹性密封片 5 设置在第一阶梯孔 15 内,第三阶梯轴 14 的外表面设置有与无针输液管接头 33 配合的连接结构 18 ,内芯 6 套设在第二阶梯孔 15 和第三阶梯孔 16 内。 In this embodiment, the outer contour of the joint 4 is a stepped shaft, and the joint 4 The inner cavity is a stepped hole concentric with the outer contour of the joint, and the stepped shaft includes a first stepped shaft 12, a second stepped shaft 13 and a third stepped shaft 14, and the stepped hole includes a first stepped hole 15 and a second stepped hole 16 And the third stepped hole 17, the first stepped shaft 12 is sleeved in the positioning ring 10, the elastic sealing piece 5 is disposed in the first stepped hole 15, and the outer surface of the third stepped shaft 14 is provided with the needleless infusion tube joint 33 Cooperating connection structure 18, the inner core 6 is sleeved in the second stepped hole 15 and the third stepped hole 16.
在本实施例中,盖座 8 和盖体 7 为一体式,盖体 7 上设置有拉环 19 ,盖座 8 和盖体 7 的连接处内表面设置有环状凹槽 21 ,盖体 7 内表面设置有用于沿环状凹槽将盖座 8 与盖体 7 分离的撕拉凹槽。 In this embodiment, the cover 8 and the cover 7 are integrated, and the cover 7 is provided with a pull ring 19, a cover 8 and a cover 7 The inner surface of the joint is provided with an annular groove 21, and the inner surface of the cover 7 is provided with a tear groove for separating the cover 8 from the cover 7 along the annular groove.
在本实施例中,连接结构 18 为外螺纹。 In the present embodiment, the connecting structure 18 is an external thread.
在本实施例中,内盖 8 上设置有加药口 25 ,加药口 25 的上方周围也设置有加药导向筒 29 ,加药口 25 或加药导向筒 29 上设置有加药密封结构 26 。 In the present embodiment, the inner cover 8 is provided with a dosing port 25, and a dosing guide cylinder 29 is also disposed around the upper side of the dosing port 25. The dosing port 25 or the dosing guide cylinder 29 is provided with a dosing sealing structure 26 .
在本实施例中,支撑件 11 为片状,片状支撑件的上部为顶角圆滑过渡的等腰三角形或梯形。 In the present embodiment, the support member 11 is in the form of a sheet, and the upper portion of the sheet-like support member is an isosceles triangle or a trapezoid having a rounded transition angle.
在本实施例中,第二阶梯孔 15 内设置有穿过第二阶梯孔 15 轴心的水平限位条 22 ,水平限位条 22 与弹性密封片 5 的上表面贴合设置,内芯 6 底部设置有豁口 23 ,豁口 23 两侧的支脚 24 凸边与水平限位条 22 两侧的第二阶梯孔 15 相配合。 In the embodiment, the second stepped hole 15 is provided with a horizontal limiting strip 22 passing through the axis of the second stepped hole 15, and the horizontal limiting strip 22 is attached to the upper surface of the elastic sealing piece 5, and the bottom of the inner core 6 is provided with a slit 23, the legs 24 on both sides of the slit 23 and the second stepped holes on both sides of the horizontal limiting strip 22 Match.
在本实施例中,撕拉凹槽为螺纹状凹槽 20 ,螺纹装凹槽 20 的一端相对设置在拉环 19 与盖体 7 的连接处,螺纹状凹槽 20 另一端平滑过渡至环状凹槽 21 中。 In the present embodiment, the tear groove is a threaded groove 20, and one end of the threaded groove 20 is oppositely disposed on the ring 19 and the cover 7 At the joint, the other end of the threaded groove 20 smoothly transitions into the annular groove 21.
在本实施例中,第三阶梯孔 16 与无针输液管连接的一端至第三阶梯孔 16 中部的空腔为倒圆锥台形。 In the present embodiment, the third stepped hole 16 is connected to the needleless infusion tube from one end to the third stepped hole 16 The cavity in the middle is an inverted truncated cone shape.
在本实施例中,加药密封结构 26 为弹性密封垫 28 或密封塞。 In the present embodiment, the medicated sealing structure 26 is an elastomeric gasket 28 or a sealing plug.
在本实施例中,加药口 25 设置在内盖 3 上。 In the present embodiment, the dosing port 25 is provided on the inner cover 3.
在本实施例中,水平限位条 22 与片状支撑件相垂直设置。 In the present embodiment, the horizontal limit strip 22 is disposed perpendicular to the sheet-like support member.
在本实施例中,支撑件 11 的底部设置有与出液口 9 相对设置的凹口 27 。 In the present embodiment, the bottom of the support member 11 is provided with a recess 27 provided opposite to the liquid outlet 9.
实施例 2 Example 2
实施例 2 与实施例 1 的不同在于:加药口 25 设置在出液口 9 的定位环 10 上。 The second embodiment differs from the first embodiment in that the dosing port 25 is provided on the positioning ring 10 of the liquid outlet 9.
实施例 3 Example 3
实施例 3 与实施例 1 的不同在于:加药密封结构 26 与接头 4 、弹性密封片 5 、内芯 6 和支撑件 11 组成的无针输液结构相同。 Embodiment 3 differs from Embodiment 1 in that the medicated sealing structure 26 and the joint 4, the elastic sealing sheet 5, and the inner core 6 It has the same needle-free infusion structure as the support member 11.
实施例 4 Example 4
实施例 4 与实施例 1 的不同在于:撕拉凹槽包括设置在盖体内表面的开口凹槽 31 ,开口凹槽 31 与拉环 19 与盖体 7 的连接处相对设置,开口凹槽 31 的一端通过设置在盖体 7 顶面和侧壁内表面的线型凹槽 32 与环状凹槽 21 连接。 Embodiment 4 is different from Embodiment 1 in that the tear groove includes an opening groove 31 provided in the inner surface of the cover, and the opening groove 31 Opposite to the joint of the tab 19 and the cover 7, one end of the opening recess 31 is connected to the annular recess 21 by a linear groove 32 provided on the top surface of the cover 7 and the inner surface of the side wall.
实施例 5 Example 5
实施例 5 与实施例 1 的不同在于:支撑件 11 的上部外轮廓为顶角圆滑过渡的棱锥。 Embodiment 5 differs from Embodiment 1 in that the upper outer contour of the support member 11 is a pyramid having a rounded corner transition.
另外,还可以在弹性密封垫上设置有十字口,弹性密封垫外还贴合包设有密封盖,密封盖与定位环通过卡扣配合连接;支撑件还可以为设置有若干个通孔的锥体或锥台;定位环或定位孔中设置有支撑柱,支撑柱的顶端与接头底面上贴合。 In addition, a cross hole may be disposed on the elastic sealing pad, and a sealing cover is further disposed on the outer surface of the elastic sealing pad, and the sealing cover and the positioning ring are connected by a snap fit; the support member may also be a cone provided with a plurality of through holes The body or the frustum; the support ring or the positioning hole is provided with a support column, and the top end of the support column is attached to the bottom surface of the joint.
该组合密封盖实施例 1 的工作原理是:需要输液时,首先牵拉拉环,盖体沿螺旋状凹槽被撕拉至环状凹槽处,将输液管连接端的接头与本发明中的接头旋紧,输液管连接端的接头上凸出的连接管顶住内芯,内芯将弹性密封片下压,则组合密封盖与输液管连通。需要加药时,仅需将加药注射器的端口与接头连接,按压注射器即可将药物加入输液瓶等储液容器中,或将密封盖旋出,将针头插入弹性密封垫的十字口中心,按压注射器即可将药物加入输液瓶等储液容器中。 The combined sealing cover embodiment 1 The working principle is as follows: when infusion is needed, the pull ring is first pulled, the cover body is torn along the spiral groove to the annular groove, and the joint of the infusion tube connection end is screwed to the joint in the invention, and the infusion tube is connected. The protruding connecting pipe on the joint of the end bears against the inner core, and the inner core presses the elastic sealing piece, and the combined sealing cover communicates with the infusion pipe. When you need to add medicine, you only need to connect the port of the dosing syringe to the connector. Press the syringe to add the drug to the liquid container such as the infusion bottle, or screw the sealing cap out and insert the needle into the center of the cross hole of the elastic sealing pad. Press the syringe to add the drug to a reservoir such as an infusion bottle.
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several improvements and retouchings without departing from the technical principles of the present invention. It should also be considered as the scope of protection of the present invention.
工业实用性Industrial applicability
本发明是用于密封盛装医用液体的容器,主要用于配合无针输液管完成无针输液操作。内盖、外盖、接头、密封片和内芯组合而成的组合密封盖结构简单,与输液管接头对扣方便,彻底解决了现有技术中针头穿刺导致 输液瓶中含胶屑微粒的技术问题。 The invention is used for sealing a container for containing a medical liquid, and is mainly used for the needle-free infusion operation with a needle-free infusion tube. The combined sealing cover made of the inner cover, the outer cover, the joint, the sealing piece and the inner core is simple in structure, and is convenient to be fastened with the infusion tube joint, completely solving the needle puncture caused by the prior art. Technical problems with swarf particles in the infusion bottle.

Claims (17)

  1. 一种无针输液用组合密封盖,其特征在于,所述组合密封盖包括外盖、内盖、接头、弹性密封片和内芯,所述外盖包括盖体和用于与储液容器口配合连接的盖座,所述盖座和的盖体之间密封连接,所述内盖设置在所述盖座中并与盖座紧配合,所述内盖上设置有出液口,在所述出液口的上方周围设置有定位环或定位孔,所述定位环或定位孔内设置有可使液体通过的支撑件,所述接头的底端与所述定位环或定位孔配合,所述支撑件的顶尖顶压在所述弹性密封片的底面,所述弹性密封片的上表面外缘与所述接头的内台阶下表面接触配合,所述接头内设置有用于与无针输液管接头对扣并推动弹性密封片使液体流出的内芯,所述内芯的底面与所述弹性密封片上表面接触配合。 A combination sealing cover for needle-free infusion, characterized in that the combined sealing cover comprises an outer cover, an inner cover, a joint, an elastic sealing piece and an inner core, the outer cover comprising a cover body and a mouthpiece for the liquid storage container Cooperating with the connected cover seat, the cover seat and the cover body are sealingly connected, the inner cover is disposed in the cover seat and is tightly engaged with the cover seat, and the inner cover is provided with a liquid outlet, A positioning ring or a positioning hole is disposed around the upper portion of the liquid outlet, and a positioning member for allowing liquid to pass therethrough is disposed in the positioning ring or the positioning hole, and the bottom end of the joint cooperates with the positioning ring or the positioning hole. The top of the support member is pressed against the bottom surface of the elastic sealing sheet, and the outer surface of the upper surface of the elastic sealing sheet is in contact with the lower surface of the inner step of the joint, and the joint is provided with a needle-free infusion tube The joint buckles and pushes the inner core of the elastic sealing sheet to allow the liquid to flow out, and the bottom surface of the inner core is in contact with the upper surface of the elastic sealing sheet.
  2. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述接头的外轮廓为阶梯轴,所述接头的内腔为与接头外轮廓同心的阶梯孔,所述阶梯轴包括第一阶梯轴、第二阶梯轴和第三阶梯轴,所述阶梯孔包括第一阶梯孔、第二阶梯孔和第三阶梯孔,所述第一阶梯轴套设在所述定位环内,所述弹性密封片设置在第一阶梯孔内,所述第三阶梯轴的外表面设置有与无针输液管接头配合的连接结构,所述内芯套设在所述第二阶梯孔和第三阶梯孔内。 According to claim 1 The combination sealing cover for needle-free infusion, characterized in that the outer contour of the joint is a stepped shaft, the inner cavity of the joint is a stepped hole concentric with the outer contour of the joint, and the stepped shaft includes a first stepped shaft a second stepped shaft and a third stepped shaft, the stepped hole includes a first stepped hole, a second stepped hole and a third stepped hole, the first stepped shaft being sleeved in the positioning ring, the elastic seal The sheet is disposed in the first stepped hole, and the outer surface of the third stepped shaft is provided with a connecting structure that cooperates with the needleless infusion tube joint, and the inner core is sleeved in the second stepped hole and the third stepped hole .
  3. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述盖座和盖体为一体式,所述盖体上设置有拉环,所述盖座和盖体的连接处内表面设置有环状凹槽,所述盖体内表面设置有用于沿所述环状凹槽将盖座与盖体分离的撕拉凹槽。According to claim 1 The combination sealing cover for needle-free infusion is characterized in that the cover seat and the cover body are integrated, the cover body is provided with a pull ring, and the inner surface of the joint between the cover seat and the cover body is provided with An annular groove, the inner surface of the cover is provided with a tear groove for separating the cover from the cover along the annular groove.
  4. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述连接结构为外螺纹,或为 L 形扣槽,或为凸扣。The combination sealing cap for needle-free infusion according to claim 1, wherein the connecting structure is externally threaded or L Shaped buckle groove, or a clasp.
  5. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述内盖上设置有加药口,所述加药口的上方周围设置有加药导向筒,所述加药口或加药导向筒上设置有加药密封结构。 According to claim 1 The combination sealing cap for needle-free infusion is characterized in that the inner cover is provided with a dosing port, and a dosing guide cylinder is arranged around the upper side of the dosing port, and the dosing port or dosing guide is provided A medicated sealing structure is arranged on the barrel.
  6. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述支撑件为片状,所述片状支撑件的上部为顶角圆滑过渡的等腰三角形或梯形。 According to claim 1 The combination sealing cap for needle-free infusion is characterized in that the support member has a sheet shape, and an upper portion of the sheet-shaped support member is an isosceles triangle or a trapezoid with a rounded transition of a vertex angle.
  7. 根据权利要求 1 所述的无针输液用组合密封盖,其特征在于,所述支撑件的上部外轮廓为顶角圆滑过渡的棱锥或圆锥。 The combination sealing cap for needle-free infusion according to claim 1, wherein the upper outer contour of the support member is a pyramid or a cone having a rounded corner transition.
  8. 根据权利要求 2 所述的无针输液用组合密封盖,其特征在于,所述第二阶梯孔内设置有穿过所述第二阶梯孔轴心的水平限位条,所述水平限位条与所述弹性密封片的上表面贴合设置,所述内芯底部设置有豁口,所述豁口两侧的支脚凸边与所述水平限位条两侧的第二阶梯孔相配合。 According to claim 2 The combination sealing cover for needle-free infusion is characterized in that: a horizontal limiting strip passing through the axis of the second stepped hole is disposed in the second stepped hole, the horizontal limiting strip and the elastic The upper surface of the sealing sheet is disposed in abutment, and the bottom of the inner core is provided with a slit, and the protruding edges of the legs on the two sides of the gap cooperate with the second stepped holes on both sides of the horizontal limiting strip.
  9. 根据权利要求 2 所述的无针输液用组合密封盖,其特征在于,所述第三阶梯孔与无针输液管连接的一端至第三阶梯孔中部的空腔为倒圆锥台形。 According to claim 2 The combination sealing cap for needle-free infusion is characterized in that the cavity connecting the third stepped hole from the one end of the third stepped hole to the middle of the third stepped hole is an inverted truncated cone shape.
  10. 根据权利要求 3 所述的无针输液用组合密封盖,其特征在于,所述撕拉凹槽为螺纹状凹槽,所述螺纹装凹槽的一端相对设置在拉环与盖体的连接处,所述螺纹状凹槽另一端平滑过渡至环状凹槽中。According to claim 3 The combination sealing cap for needle-free infusion, characterized in that the tearing groove is a thread-shaped groove, and one end of the threaded groove is oppositely disposed at a joint of the pull ring and the cover body, the thread The other end of the groove is smoothly transitioned into the annular groove.
  11. 根据权利要求 3 所述的无针输液用组合密封盖,其特征在于,所述撕拉凹槽包括设置在所述盖体内表面的开口凹槽,所述开口凹槽与所述拉环与盖体的连接处相对设置,所述开口凹槽的一端通过设置在所述盖体顶面和侧壁内表面的线型凹槽与所述环状凹槽连接。 According to claim 3 The combination sealing cap for needle-free infusion, characterized in that the tearing groove comprises an opening groove provided on the inner surface of the cover, and the opening groove and the connection between the pull ring and the cover body In an opposite arrangement, one end of the opening groove is connected to the annular groove through a linear groove provided on a top surface of the cover body and an inner surface of the side wall.
  12. 根据权利要求 5 所述的无针输液用组合密封盖,其特征在于,所述加药口设置在所述内盖上,或者设置在所述出液口的定位环上。 The combination sealing cap for needle-free infusion according to claim 5, wherein the dosing port is provided on the inner cap or on a positioning ring of the liquid outlet.
  13. 根据权利要求 5 所述的无针输液用组合密封盖,其特征在于,所述加药密封结构与所述接头、弹性密封片、内芯和支撑件组成的无针输液结构相同。 According to claim 5 The combination sealing cap for needle-free infusion is characterized in that the medicated sealing structure is the same as the needle-free infusion structure composed of the joint, the elastic sealing sheet, the inner core and the support.
  14. 根据权利要求 5 所述的无针输液用组合密封盖,其特征在于,所述加药密封结构为弹性密封垫或密封塞。 The combination sealing cap for needle-free infusion according to claim 5, wherein the medicated sealing structure is an elastic gasket or a sealing plug.
  15. 根据权利要求 8 所述的无针输液用组合密封盖,其特征在于,所述水平限位条与所述片状支撑件相垂直设置。According to claim 8 The combination sealing cap for needle-free infusion is characterized in that the horizontal limiting strip is disposed perpendicular to the sheet-shaped supporting member.
  16. 根据权利要求 8 所述的无针输液用组合密封盖,其特征在于,所述支撑件的底部设置有与出液口相对设置的凹口。 The combination sealing cap for needle-free infusion according to claim 8, wherein the bottom of the support member is provided with a recess provided opposite to the liquid outlet.
  17. 根据权利要求 14 所述的无针输液用组合密封盖,其特征在于,所述弹性密封垫上设置有十字口,所述弹性密封垫外还贴合包设有密封盖,所述密封盖与所述定位环通过螺纹或卡扣配合连接。 According to claim 14 The combination sealing cap for needle-free infusion is characterized in that: the elastic sealing pad is provided with a cross-shaped opening, and the elastic sealing pad is further provided with a sealing cover, and the sealing cover and the positioning ring pass Threaded or snap-fit connection.
PCT/CN2013/088763 2013-12-02 2013-12-06 Combined seal cover for needleless infusion WO2015081557A1 (en)

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CN201310637403.2A CN103919680B (en) 2013-12-02 2013-12-02 A kind of no-needle transfusion combined sealed cap
CN201310637403.2 2013-12-02

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CN110579348A (en) * 2019-09-05 2019-12-17 山东省医疗器械产品质量检验中心 Puncture and scrap falling test puncture outfit, device and method

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