WO2018090550A1 - 一种防滴漏免塞子负压引流系统 - Google Patents

一种防滴漏免塞子负压引流系统 Download PDF

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Publication number
WO2018090550A1
WO2018090550A1 PCT/CN2017/080339 CN2017080339W WO2018090550A1 WO 2018090550 A1 WO2018090550 A1 WO 2018090550A1 CN 2017080339 W CN2017080339 W CN 2017080339W WO 2018090550 A1 WO2018090550 A1 WO 2018090550A1
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Prior art keywords
negative pressure
suction
cover
drip
drainage system
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PCT/CN2017/080339
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English (en)
French (fr)
Inventor
张柱华
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常州帝斯博医疗用品有限公司
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Publication of WO2018090550A1 publication Critical patent/WO2018090550A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/60—Containers for suction drainage, adapted to be used with an external suction source
    • A61M1/604—Bag or liner in a rigid container, with suction applied to both

Definitions

  • the invention relates to the technical field of vacuum suction equipment, in particular to an anti-drip and plug-free negative pressure drainage system.
  • the component connector of the existing device is in a normally open state, and the body fluid of the patient existing in the connector connected to the connector and the connector may leak when the device is finished working. Since the patient's body fluid may contain a large amount of bacteria and viruses, it is easy to cause medical work. Personal infection.
  • the existing tank tank With the increasing sealing requirements of various tanks, the existing tanks are mostly poorly sealed, and are only suitable for simple tanks with low sealing requirements, such as negative pressure gas and The collection of negative pressure liquid requires good sealing of the tank body. Otherwise, the evaporation of the tank will be much reduced.
  • the existing tank tank generally adopts a tank mouth which is simple, a plane inside the tank body, and a tank surface outside a plane, only one Sealing area, poor sealing.
  • the object of the present invention is to provide an anti-drip-free plug negative pressure drainage system to solve the problems raised in the above background art, and has the beneficial effects that the function of preventing dripping and plug-free can be realized by its own structural design, and at the same time It has the advantages of easy installation and reliable connection.
  • an anti-drip-free plug negative pressure drainage system including a suction can, a negative pressure device; a top of the suction can is provided with a cover, the inside of the suction can a suction bag is disposed in the cavity, and the suction bag is fixedly connected to the bottom of the cover, a joint is disposed at a top center of the cover, and the other end of the joint is disposed in the inner cavity of the suction can and is connected to the interface.
  • the negative pressure device is connected to the negative pressure source in the inner cavity of the suction tank through the connecting pipe, and the negative pressure source is connected
  • the mouth is mounted at the bottom of the lid, the suction can is composed of a can mouth segment and a tapered cavity segment, and the can mouth segment is disposed above the tapered cavity segment, and the canister segment of the suction can has the same inner diameter a sealing section, the upper portion of the first sealing section has a second sealing section, the interface consisting of a cover, a column-type on-off valve, a baffle, a limit assembly and a first spring assembly, the baffle mounting At the open end of the column-on-off valve, the column-on-off valve is mounted inside the cover, the joint consisting of a 90° joint, a fixed end, a resilient sealing plug, a valve core and a second spring assembly, the elastic seal
  • the plug is installed inside the joint, and the elastic sealing plug is sequentially installed with a valve core and a second spring from top to bottom, the top of the
  • the top end of the second sealing section has an arcuate protrusion.
  • the outer diameter of the can mouth section gradually increases from top to bottom.
  • the suction can chamber has a plurality of ribs.
  • the upper portion of the outer side of the suction can is provided with a hook.
  • the limit assembly is assembled to the cover by a hot pressing process.
  • the first spring is mounted between the cover and the column-on-off valve in a micro-compressed state to ensure that a certain elastic force pushes the column-type on-off valve upwardly to contact a limit point on the limiting component.
  • the tail of the column-type on-off valve has a ring protrusion which is in close contact with the tail of the cover.
  • the center of the elastic sealing plug has a small hole size which is slightly smaller than the outer diameter of the valve core.
  • the outer diameter of the elastic sealing plug is slightly larger than the inner diameter of the joint.
  • the invention has the beneficial effects that the positioning groove on the joint of the device is rotated clockwise and installed in the circular positioning hole on the interface, which is convenient for installation and self-locking function, and can not be directly inserted and removed.
  • Disconnecting the joint improves the reliability of the system.
  • the joint is automatically closed and opened by a flexible sealing plug and a spool driven by a second spring.
  • the joint can automatically open during work according to its own structure, and can automatically close after finishing work. , reducing the operation steps of the medical staff, and effectively avoiding the dripping of the residual liquid in the joint pipe, the interface is driven by a first spring with a lateral passage
  • the column-type on-off valve realizes automatic closing and opening.
  • the interface on the suction bag can automatically open in the work according to its own structure, and can be automatically closed after the work is finished, which reduces the operation steps of the medical staff and can effectively avoid the leakage cover.
  • the liquid leakage caused by the cover or the cover is not covered, and the shrinking suction bag formed by the special process reduces the package size.
  • Figure 1 is a schematic view showing the contraction of the suction bag of the present invention
  • Figure 2 is a schematic view showing the deployment of the suction bag of the present invention
  • Figure 3 is a schematic structural view of a suction can of the present invention.
  • FIG. 5 is a schematic diagram of the interface and interface connection of the present invention.
  • suction bag In the figure: 300, suction bag; 310, cover; 320, suction can; 312, joint; 313, interface; 340, negative pressure device; 315, negative pressure source interface; 320-1, can mouth segment; 2.
  • an embodiment of the present invention provides an anti-drip-free plug negative pressure drainage system, including a suction can 320 and a negative pressure device 340; the top of the suction can 320 is provided with a cover 310, which is pumped A suction bag 300 is disposed in the inner cavity of the suction can 320, and the suction bag 300 is fixedly coupled to the bottom of the cover 310.
  • the top of the cover 310 is provided with a joint 312 at the center of the top, and the other end of the joint 312 is disposed at the suction can.
  • the inner cavity of 320 is connected to the interface 313, the negative pressure device 340 is connected to the negative pressure source interface 315 in the inner cavity of the suction can 320 through the connecting pipe, and the negative pressure source interface 315 is installed at the bottom of the cover 310, the suction can 320 is formed by a can end section 320-1 and a tapered cavity section 320-6, and the can mouth section 320-1 is disposed above the tapered cavity section 320-6, and the can mouth section 320-1 of the suction can 320 has an inner diameter
  • the same first sealing section 320-2, the upper part of the first sealing section 320-2 has a second sealing section 320-3, and the interface 313 is covered by the cover 310, the column-on-off valve 313-2, the strip 313-3
  • the limit assembly 313-4 and the first spring 313-5 are assembled.
  • the brace 313-3 is mounted on the open end of the column-on-off valve 313-2, and the column-on-off valve 313-2 is mounted inside the cover 310.
  • the joint 312 is composed of a 90° joint 312-6, a fixed end 312-7, an elastic sealing plug 312-9, a valve core 312-10 and a second spring 312-11, and the elastic sealing plug 312-9 is installed inside the joint 312.
  • the valve plug 312-10 and the second spring 312-11 are installed in the elastic sealing plug 312-9 from top to bottom.
  • the top of the inner cavity of the joint 312 is mounted with a fixed end 312-7, and the 90° joint 312-6 is fixed.
  • the positioning groove on the head 312 is installed clockwise in the circular positioning hole on the interface 313.
  • the top end of the second sealing section 320-3 has an arcuate projection, and the outer diameter of the can end section 320-1 gradually increases from the top to the bottom.
  • the upper portion of the suction tank 320 is provided with a hook 320-5, and the limiting assembly 313-4 is assembled to the cover 310 by a hot pressing process, the first spring
  • the 313-5 is mounted between the cover 310 and the column-type on-off valve 313-2 in a micro-compressed state to ensure a certain elastic force to push the column-type on-off valve 313-2 upward to contact the limit point on the limit assembly 313-4.
  • the tail of the column-type on-off valve 313-2 has a ring protrusion which is in close contact with the tail of the cover 310.
  • the center of the elastic sealing plug 312-9 has a small hole smaller than the outer diameter of the valve core 312-10, and the elastic sealing plug 312- 9
  • the outer diameter is slightly larger than the inner diameter of the joint 312;
  • the cover 310 is a U-shaped cover, the outer side is caught by the suction can 320, and the inner side is inserted at the opening of the suction bag 300;
  • the cover 310 is further provided with an annular groove, an annular groove Undertake a small amount of accidental liquid to leak, so as not to pollute the tank and other facilities.
  • the positioning groove on the joint 312 is rotated clockwise to be installed in the circular positioning hole on the interface 313, which is convenient for installation and self-locking function, and the direct insertion and removal does not break the joint 312, thereby improving the system.
  • the joint 312 consists of a resilient sealing plug 312-9 and a second spring
  • the valve block 312-10 driven by the 312-11 realizes automatic closing and opening.
  • the joint 312 can automatically open in the work according to its own structure, and can be automatically closed after the work is finished, thereby reducing the operation steps of the medical staff and effectively avoiding the joint.
  • the drip of the residual liquid in the pipeline, the interface 313 is automatically closed and opened by a column-type on-off valve 313-2 with a lateral passage driven by the first spring 313-5, and the interface 313 on the suction bag 300 depends on
  • the structure of the self can be automatically opened during the work, and can be automatically closed after the work is finished, which reduces the operation steps of the medical staff, and can effectively avoid the liquid leakage caused by the cover cover 310 or the cover 310 not being covered, and the special process is formed.
  • Shrinking 300 suction bags can effectively reduce the size of the package, and can be automatically deployed under the action of negative pressure and self-gravity when in use.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Closures For Containers (AREA)
  • External Artificial Organs (AREA)

Abstract

一种防滴漏免塞子负压引流系统，包括抽吸罐（320）、负压装置（340），抽吸罐的顶部设有盖子（310），抽吸罐的内腔中设有抽吸袋（300），盖子的顶部中心处设置有接头（312），接头的另一端设置在抽吸罐的内腔中与接口（313）连接，负压装置通过连接管与抽吸罐的内腔中的负压源接口（315）连接，抽吸罐由罐口段（320-2）和锥形容腔段（320-6）构成，接口由盖子、柱式通断阀（313-2）、档条（313-3）、限位组件（313-4）和第一弹簧（313-5）装配组成，接头由90°接头（312-6）、固定端（312-7）、弹性密封塞（312-9）、阀芯（312-10）和第二弹簧（312-11）装配组成，接头上的定位槽顺时针旋转安装在接口上圆形定位孔中。该负压引流系统通过自身的结构设计实现防滴漏和免塞子功能，同时具有安装方便和连接可靠的优点。

Description

一种防滴漏免塞子负压引流系统 技术领域
本发明涉及负压吸引设备技术领域，具体为一种防滴漏免塞子负压引流系统。
背景技术
现有装置的部件接头处于常开状态，装置结束工作后拔出接头时接头及接头上连接的导管内存在的患者体液有滴漏的可能，由于患者体液可能含有大量细菌、病毒，容易造成医务工作人员感染。此外结束工作后用于封闭抽吸罐和抽吸袋的盖子上存在很多接口需要手动盖上塞子，这些接口起到连通抽吸袋和外界的作用，一旦忘记盖塞子或者塞子没有盖好，抽吸袋内收集的患者体液同样存在泄漏的风险。
随着现在各种罐体对密封性要求越来越高，现有的罐体密封性大部分都比较差，只适合用于简单的、密封性要求不高的罐体，像负压气体和负压液体的收集要求罐体的密封性好，不然由于蒸发会减损很多，现有的抽吸罐一般采用的罐口是很简单的，罐体内侧一个平面，罐口外沿一个平面，只有一个密封区域，密封性不好。
发明内容
本发明的目的在于提供一种防滴漏免塞子负压引流系统，以解决上述背景技术中提出的问题，所具有的有益效果是：通过自身的结构设计能实现防滴漏和免塞子的功能，同时具有安装方便和连接可靠的优点。
为实现上述目的，本发明提供如下技术方案：一种防滴漏免塞子负压引流系统，包括抽吸罐、负压装置；所述抽吸罐的顶部设置有盖子，所述抽吸罐的内腔中设置有抽吸袋，且抽吸袋与盖子的底部固定连接，所述盖子的顶部中心处设置有接头，所述接头的另一端设置在抽吸罐的内腔中与接口连接，所述负压装置通过连接管与抽吸罐的内腔中的负压源接口连接，且负压源接 口安装在盖子的底部，所述抽吸罐由罐口段和锥形容腔段构成，且罐口段设置在锥形容腔段的上方，所述抽吸罐的罐口段具有内径相同的第一密封区段，所述第一密封区段上部具有第二密封区段，所述接口由盖子、柱式通断阀、档条、限位组件和第一弹簧装配组成，所述档条安装在柱式通断阀的开口端，所述柱式通断阀安装在盖子内部，所述接头由90°接头、固定端、弹性密封塞、阀芯和第二弹簧装配组成，所述弹性密封塞安装在接头内部，所述弹性密封塞内从上到下依次安装有阀芯和第二弹簧，所述接头的内腔顶部安装有固定端，所述90°接头设置在固定端的内腔中，所述接头上的定位槽顺时针旋转安装在接口上圆形定位孔中；所述盖子还设有环形凹槽。
优选的，所述第二密封区段的顶端具有弧形凸起。
优选的，所述罐口段的外径由上往下逐渐变大。
优选的，所述抽吸罐内腔具有多条凸筋。
优选的，所述抽吸罐外侧上部设置有挂钩。
优选的，所述限位组件通过热压工艺装配到盖子上。
优选的，所述第一弹簧安装在盖子和柱式通断阀之间处于微压缩状态确保有一定的弹力推动柱式通断阀向上接触到限位组件上的限位点。
优选的，所述柱式通断阀的尾部有一圈凸起与盖子尾部紧密接触。
优选的，所述弹性密封塞中心留一小孔尺寸比阀芯外径略小。
优选的，所述弹性密封塞外径尺寸比接头内径略大。
与现有技术相比，本发明的有益效果是：该设备的接头上的定位槽顺时针旋转安装在接口上圆形定位孔中，既方便安装又能实现自锁功能，直接插拔不会断开接头，提高了系统的可靠性，接头由一个弹性密封塞和通过第二弹簧驱动的阀芯实现自动关闭和开启，接头依靠自身的结构能在工作中自动打开，结束工作后能自动关闭，减少了医务人员的操作步骤，且能有效的避免接头管路中残液的滴漏，接口由一个通过第一弹簧驱动的带有侧向通道的 柱式通断阀实现自动关闭和开启，抽吸袋上接口依靠自身的结构能在工作中自动打开，结束工作后能自动关闭，减少了医务人员的操作步骤，且能有效的避免因漏盖盖子或者盖子没盖好造成的液体泄漏，特殊工艺形成的收缩抽吸袋，减小包装尺寸。
附图说明
图1为本发明的抽吸袋收缩示意图；
图2为本发明的抽吸袋展开示意图；
图3为本发明的抽吸罐的结构示意图；
图4为本发明的接口的结构示意图；
图5为本发明的接口与接口连接示意图。
图中：300、抽吸袋；310、盖子；320、抽吸罐；312、接头；313、接口；340、负压装置；315、负压源接口；320-1、罐口段；320-2、第一密封区段；320-3、第二密封区段；320-4、凸筋；320-5、挂钩；320-6、锥形容腔段；313-2、柱式通断阀；313-3、档条；313-4、限位组件；313-5、第一弹簧；312-6、90°接头；312-7、固定端；312-9、弹性密封塞；312-10、阀芯；312-11、第二弹簧。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-5，本发明提供的一种实施例：一种防滴漏免塞子负压引流系统，包括抽吸罐320和负压装置340；抽吸罐320的顶部设置有盖子310，抽吸罐320的内腔中设置有抽吸袋300，且抽吸袋300与盖子310的底部固定连接，盖子310的顶部中心处设置有接头312，接头312的另一端设置在抽吸罐 320的内腔中与接口313连接，负压装置340通过连接管与抽吸罐320的内腔中的负压源接口315连接，且负压源接口315安装在盖子310的底部，抽吸罐320由罐口段320-1和锥形容腔段320-6构成，且罐口段320-1设置在锥形容腔段320-6的上方，抽吸罐320的罐口段320-1具有内径相同的第一密封区段320-2，第一密封区段320-2上部具有第二密封区段320-3，接口313由盖子310、柱式通断阀313-2、档条313-3、限位组件313-4和第一弹簧313-5装配组成，档条313-3安装在柱式通断阀313-2的开口端，柱式通断阀313-2安装在盖子310内部，接头312由90°接头312-6、固定端312-7、弹性密封塞312-9、阀芯312-10和第二弹簧312-11装配组成，弹性密封塞312-9安装在接头312内部，弹性密封塞312-9内从上到下依次安装有阀芯312-10和第二弹簧312-11，接头312的内腔顶部安装有固定端312-7，90°接头312-6设置在固定端312-7的内腔中，接头312上的定位槽顺时针旋转安装在接口313上圆形定位孔中，第二密封区段320-3的顶端具有弧形凸起，罐口段320-1的外径由上往下逐渐变大，抽吸罐320内腔具有多条凸筋320-4，抽吸罐320外侧上部设置有挂钩320-5，限位组件313-4通过热压工艺装配到盖子310上，第一弹簧313-5安装在盖子310和柱式通断阀313-2之间处于微压缩状态确保有一定的弹力推动柱式通断阀313-2向上接触到限位组件313-4上的限位点，柱式通断阀313-2的尾部有一圈凸起与盖子310尾部紧密接触，弹性密封塞312-9中心留一小孔尺寸比阀芯312-10外径略小，弹性密封塞312-9外径尺寸比接头312内径略大；盖子310为U型盖，外侧卡住抽吸罐320，内侧塞在抽吸袋300开口处；所述盖子310还设有环形凹槽，环形凹槽承接少量意外液体撒漏，不至于污染罐体及其他设施。
工作原理：使用时，接头312上的定位槽顺时针旋转安装在接口313上圆形定位孔中，既方便安装又能实现自锁功能，直接插拔不会断开接头312，提高了系统的可靠性，接头312由一个弹性密封塞312-9和通过第二弹簧 312-11驱动的阀芯312-10实现自动关闭和开启，接头312依靠自身的结构能在工作中自动打开，结束工作后能自动关闭，减少了医务人员的操作步骤，且能有效的避免接头312管路中残液的滴漏，接口313由一个通过第一弹簧313-5驱动的带有侧向通道的柱式通断阀313-2实现自动关闭和开启，抽吸袋300上接口313依靠自身的结构能在工作中自动打开，结束工作后能自动关闭，减少了医务人员的操作步骤，且能有效的避免因漏盖盖子310或者盖子310没盖好造成的液体泄漏，特殊工艺形成的收缩抽300吸袋，可以有效减少包装尺寸，在使用时可以在负压和自身重力的作用下自动展开。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。

Claims (10)

  1. 一种防滴漏免塞子负压引流系统，包括抽吸罐(320)和负压装置(340)；其特征在于：所述抽吸罐(320)的顶部设置有盖子(310)，所述抽吸罐(320)的内腔中设置有抽吸袋(300)，且抽吸袋(300)与盖子(310)的底部固定连接，所述盖子(310)的顶部中心处设置有接头(312)，所述接头(312)的另一端设置在抽吸罐(320)的内腔中与接口(313)连接，所述负压装置(340)通过连接管与抽吸罐(320)的内腔中的负压源接口(315)连接，且负压源接口(315)安装在盖子(310)的底部，所述抽吸罐(320)由罐口段(320-1)和锥形容腔段(320-6)构成，且罐口段(320-1)设置在锥形容腔段(320-6)的上方，所述抽吸罐(320)的罐口段(320-1)具有内径相同的第一密封区段(320-2)，所述第一密封区段(320-2)上部具有第二密封区段(320-3)，所述接口(313)由盖子(310)、柱式通断阀(313-2)、档条(313-3)、限位组件(313-4)和第一弹簧(313-5)装配组成，所述档条(313-3)安装在柱式通断阀(313-2)的开口端，所述柱式通断阀(313-2)安装在盖子(310)内部，所述接头(312)由90°接头(312-6)、固定端(312-7)、弹性密封塞(312-9)、阀芯(312-10)和第二弹簧(312-11)装配组成，所述弹性密封塞(312-9)安装在接头(312)内部，所述弹性密封塞(312-9)内从上到下依次安装有阀芯(312-10)和第二弹簧(312-11)，所述接头(312)的内腔顶部安装有固定端(312-7)，所述90°接头(312-6)设置在固定端(312-7)的内腔中，所述接头(312)上的定位槽顺时针旋转安装在接口(313)上圆形定位孔中；所述盖子(310)还设有环形凹槽。
  2. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述第二密封区段(320-3)的顶端具有弧形凸起。
  3. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述罐口段(320-1)的外径由上往下逐渐变大。
  4. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于： 所述抽吸罐(320)内腔具有多条凸筋(320-4)。
  5. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述抽吸罐(320)外侧上部设置有挂钩(320-5)。
  6. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述限位组件(313-4)通过热压工艺装配到盖子(310)上。
  7. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述第一弹簧(313-5)安装在盖子(310)和柱式通断阀(313-2)之间处于微压缩状态确保有一定的弹力推动柱式通断阀(313-2)向上接触到限位组件(313-4)上的限位点。
  8. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述柱式通断阀(313-2)的尾部有一圈凸起与盖子(310)尾部紧密接触。
  9. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述弹性密封塞(312-9)中心留一小孔尺寸比阀芯(312-10)外径略小。
  10. 根据权利要求1所述的一种防滴漏免塞子负压引流系统，其特征在于：所述弹性密封塞(312-9)外径尺寸比接头(312)内径略大。
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