CN110833643A - Dropping funnel and infusion device - Google Patents

Abstract

Translated fromChinese

本发明公开一种滴斗和输液装置。其中，滴斗包括滴斗主体，所述滴斗主体形成有过液通道，所述滴斗主体的一端形成有出液槽，所述出液槽的槽底壁设有出液口，所述出液槽具有与所述出液口相对设置的槽开口；和过滤件，所述过滤件包括设于所述过液通道内的安装主体和过滤膜，所述安装主体设有过滤口，所述过滤膜罩盖所述过滤口设置，所述过滤口正对所述出液口设置，且所述过滤口的面积大于等于所述槽开口，并覆盖所述槽开口设置。本发明技术方案能够过滤输液过程中的药液杂质，提升治疗效果。

The invention discloses a drip bucket and an infusion device. Wherein, the drip hopper includes a drip hopper body, the drip hopper body is formed with a liquid passage, one end of the drip hopper body is formed with a liquid outlet groove, and the bottom wall of the liquid outlet groove is provided with a liquid outlet. The liquid outlet tank has a slot opening opposite to the liquid outlet; and a filter element, the filter element includes an installation body and a filter membrane arranged in the liquid passage, and the installation body is provided with a filter port, so The filter membrane is arranged to cover the filter port, the filter port is disposed facing the liquid outlet, and the area of the filter port is greater than or equal to the slot opening, and is arranged to cover the slot opening. The technical scheme of the present invention can filter the impurities of the medicinal liquid during the infusion process and improve the therapeutic effect.

Description

Translated fromChinese

滴斗和输液装置Drippers and Infusion Sets

技术领域technical field

本发明涉及医疗器械技术领域，特别涉及一种滴斗和输液装置。The invention relates to the technical field of medical devices, in particular to a drip bucket and an infusion device.

背景技术Background technique

滴斗是输液装置的重要组成部分，医护人员通过滴斗可清楚观察药液输送的速度，并且在输液过程中可以通过滴斗向输液管路中加入一些特殊药物，方便控制药物加入的时间。然而，现有的输液装置的药液瓶内可能存在杂质，通过滴斗会传入到人体内，影响治疗效果。The drip bucket is an important part of the infusion device. The medical staff can clearly observe the speed of drug delivery through the drip bucket, and during the infusion process, some special drugs can be added to the infusion pipeline through the drip bucket, which is convenient to control the time of drug addition. However, impurities may exist in the liquid medicine bottle of the existing infusion device, which may be introduced into the human body through the drip bucket, thereby affecting the therapeutic effect.

上述内容仅用于辅助理解本申请的技术方案，并不代表承认上述内容是现有技术。The above content is only used to assist the understanding of the technical solutions of the present application, and does not mean that the above content is the prior art.

发明内容SUMMARY OF THE INVENTION

本发明的主要目的是提供一种滴斗，旨在过滤输液过程中的药液杂质，提升治疗效果。The main purpose of the present invention is to provide a drip bucket, which aims to filter the impurities of the medicinal liquid during the infusion process and improve the therapeutic effect.

为实现上述目的，本发明提出的滴斗，包括：To achieve the above object, the drip bucket proposed by the present invention includes:

滴斗主体，所述滴斗主体形成有过液通道，所述滴斗主体的一端形成有出液槽，所述出液槽的槽底壁设有出液口，所述出液槽具有与所述出液口相对设置的槽开口；和The drip hopper body, the drip hopper body is formed with a liquid passage, one end of the drip hopper body is formed with a liquid outlet groove, the bottom wall of the liquid outlet groove is provided with a liquid outlet, and the liquid outlet groove has a a slot opening opposite the liquid outlet; and

过滤件，所述过滤件包括设于所述过液通道内的安装主体和过滤膜，所述安装主体设有过滤口，所述过滤膜罩盖所述过滤口设置，所述过滤口正对所述出液口设置，且所述过滤口的面积大于等于所述槽开口，并覆盖所述槽开口设置。A filter element, the filter element includes an installation body and a filter membrane arranged in the liquid passage channel, the installation body is provided with a filter port, the filter membrane covers the filter port, and the filter port is facing The liquid outlet is provided, and the area of the filter port is greater than or equal to the groove opening, and is provided to cover the groove opening.

在本申请的一实施例中，所述安装主体设有安装槽，所述过滤口设于所述安装槽的底壁，所述过滤件设于所述安装槽内。In an embodiment of the present application, the installation body is provided with an installation groove, the filter port is provided on the bottom wall of the installation groove, and the filter element is provided in the installation groove.

在本申请的一实施例中，所述过滤膜包括膜本体和设于所述膜本体外缘的翻边，所述膜本体设于所述安装槽的底壁，并覆盖所述过滤口，所述翻边与所述安装槽的槽侧壁抵接。In an embodiment of the present application, the filter membrane includes a membrane body and a flange arranged on the outer edge of the membrane body, the membrane body is arranged on the bottom wall of the installation groove and covers the filter port, The flange is in abutment with the groove side wall of the installation groove.

在本申请的一实施例中，所述出液槽的侧壁面与所述滴斗主体位于所述过液通道内的底面之间呈夹角α设置，所述夹角α的范围值为大于90度且小于180度；In an embodiment of the present application, an angle α is formed between the side wall surface of the liquid outlet groove and the bottom surface of the drip bucket main body located in the liquid passage channel, and the range value of the included angle α is greater than 90 degrees and less than 180 degrees;

和/或，所述出液槽的设有所述出液口的槽底壁面与所述侧壁面之间呈夹角β设置，所述夹角β的范围值为大于90度且小于180度；And/or, an included angle β is formed between the bottom wall surface of the liquid outlet tank where the liquid outlet is provided and the side wall surface, and the range value of the included angle β is greater than 90 degrees and less than 180 degrees. ;

和/或，所述出液口位于所述槽底壁的中心设置；And/or, the liquid outlet is located at the center of the bottom wall of the tank;

和/或，所述过滤膜可拆卸连接于所述安装槽内。And/or, the filter membrane is detachably connected to the installation groove.

在本申请的一实施例中，所述滴斗主体于所述过液通道的内壁面还设有安装骨位，所述安装骨位与所述安装槽之间形成安装空间，所述安装主体设于所述安装空间内。In an embodiment of the present application, the drip hopper body is further provided with an installation bone position on the inner wall surface of the liquid passage channel, and an installation space is formed between the installation bone position and the installation groove, and the installation body set in the installation space.

在本申请的一实施例中，所述安装骨位背离所述安装槽的一侧形成有导斜面；In an embodiment of the present application, a guide slope is formed on a side of the installation bone position away from the installation groove;

和/或，所述安装骨位呈环形设置；And/or, the installation bone position is annularly arranged;

和/或，所述滴斗主体设有所述出液槽的端部还设有加强筋，所述加强筋位于所述过液通道外，环绕所述出液口设置。And/or, a reinforcing rib is also provided at the end of the drip hopper body provided with the liquid outlet groove, and the reinforcing rib is located outside the liquid passage and arranged around the liquid outlet.

在本申请的一实施例中，所述滴斗还包括穿刺器，所述穿刺器包括安装座和设于所述安装座的穿刺主体，所述穿刺主体与所述过液通道连通，所述安装座安装于所述设于所述滴斗主体背离所述出液槽的一端。In an embodiment of the present application, the drip hopper further includes a puncture device, the puncture device includes a mounting seat and a puncturing main body disposed on the mounting seat, the puncturing main body is communicated with the liquid passage, the The mounting seat is mounted on the end of the drip hopper body facing away from the liquid outlet groove.

在本申请的一实施例中，所述安装座包括主体板、折弯设于所述主体板周缘的安装板、设于所述安装板的表面的连接板以及折弯连接于所述连接板的侧板，所述安装板、连接板以及所述侧板围合形成插槽，所述插槽插接固定于所述滴斗主体。In an embodiment of the present application, the mounting seat includes a main body plate, a mounting plate bent and disposed on the periphery of the main body plate, a connecting plate disposed on the surface of the mounting plate, and a connecting plate bent and connected to the connecting plate The mounting plate, the connecting plate and the side plate are enclosed to form a slot, and the slot is inserted and fixed to the main body of the drip bucket.

在本申请的一实施例中，所述插槽包括插接段和与所述插接段连接的固定段，所述插接段设有插接口，所述滴斗主体自所述插接口插入，定义所述安装板和所述侧板在所述插接段内的距离值为W1，所述距离值W1在沿插接口至所述连接板的方向呈逐渐变小设置；定义所述安装板和所述侧板在所述固定段内的距离值为W2，所述距离值W2在沿插接口至所述连接板的方向为固定值；In an embodiment of the present application, the slot includes a plug-in section and a fixed section connected with the plug-in section, the plug-in section is provided with a plug-in port, and the drip bucket main body is inserted from the plug-in port , define the distance value W1 between the installation board and the side board in the plug-in section, and the distance value W1 is set to gradually decrease along the direction from the plug-in port to the connection board; define the installation The distance value of the board and the side board in the fixed section is W2, and the distance value W2 is a fixed value along the direction from the plug-in port to the connection board;

和/或，所述连接板设有连通所述插槽的透气孔；And/or, the connecting plate is provided with a ventilation hole communicating with the slot;

和/或，所述滴斗还包括保护帽，所述保护帽的内壁面设有安装凸起，所述保护帽套设于所述穿刺主体外，且所述安装凸起与所述穿刺主体抵接，以使所述保护帽与所述穿刺主体紧配合；And/or, the drip bucket further includes a protective cap, the inner wall surface of the protective cap is provided with a mounting protrusion, the protective cap is sleeved outside the puncture body, and the mounting protrusion is connected to the puncture body. abutting, so that the protective cap is tightly fitted with the piercing body;

和/或，所述滴斗主体于所述过液通道的内壁面还设有定位骨位，所述定位骨位与所述安装座抵接限位。And/or, the drip bucket main body is further provided with a positioning bone position on the inner wall surface of the liquid passage channel, and the positioning bone position is abutted with the mounting seat to limit the position.

本发明还提出一种输液装置，包括滴斗，所述滴斗包括：The present invention also provides an infusion device, comprising a drip hopper, and the drip hopper includes:

滴斗主体，所述滴斗主体形成有过液通道，所述滴斗主体的一端形成有出液槽，所述出液槽的槽底壁设有出液口，所述出液槽具有与所述出液口相对设置的槽开口；和The drip hopper body, the drip hopper body is formed with a liquid passage, one end of the drip hopper body is formed with a liquid outlet groove, the bottom wall of the liquid outlet groove is provided with a liquid outlet, and the liquid outlet groove has a a slot opening opposite the liquid outlet; and

过滤件，所述过滤件包括设于所述过液通道内的安装主体和过滤膜，所述安装主体设有过滤口，所述过滤膜罩盖所述过滤口设置，所述过滤口正对所述出液口设置，且所述过滤口的面积大于等于所述槽开口，并覆盖所述槽开口设置。A filter element, the filter element includes an installation body and a filter membrane arranged in the liquid passage channel, the installation body is provided with a filter port, the filter membrane covers the filter port, and the filter port is facing The liquid outlet is provided, and the area of the filter port is greater than or equal to the groove opening, and is provided to cover the groove opening.

本发明技术方案通过采用在滴斗主体内的过液通道设置过滤件，通过过滤件将通过过液通道的药液进行过滤，从而过滤输液过程中的药液杂质，提升治疗效果。进一步地，在设置过滤件时，通过将过滤件设置为安装主体和过滤膜，在安装时，通过安装主体进行安装，使得过滤件与滴斗主体的连接安装更加稳定。避免过滤膜与滴斗主体直接接触安装，提高零件装配的稳定性。液体在流通时，在过液通道内先通过过滤膜过滤后经由槽开口流通至出液槽内。在滴斗主体的一端形成出液槽使得经由过滤件过滤后的药液能够通过出液槽的出液口顺畅的流出。同时将过滤口的面积大于等于槽开口，也即使得过滤膜能够全部罩盖槽开口，可以使得过滤膜的大部分区域面积能够被充分利用，同时，也防止出液槽内产生积液，提升过滤件和整个滴斗的使用效率。The technical solution of the present invention is to use the liquid passage in the drip hopper body to set up a filter element, and filter the medicinal liquid passing through the liquid passage through the filter element, thereby filtering the medicinal liquid impurities during the infusion process and improving the therapeutic effect. Further, when the filter element is installed, the filter element is arranged as the installation body and the filter membrane, and during installation, the installation is performed through the installation body, so that the connection and installation of the filter element and the drip hopper body are more stable. Avoid direct contact between the filter membrane and the drip hopper body, and improve the stability of parts assembly. When the liquid is in circulation, it is first filtered through the filter membrane in the liquid passage, and then flows into the liquid outlet tank through the groove opening. A liquid outlet groove is formed at one end of the main body of the drip hopper, so that the liquid medicine filtered through the filter element can flow out smoothly through the liquid outlet of the liquid outlet groove. At the same time, the area of the filter port is greater than or equal to the groove opening, that is, even if the filter membrane can completely cover the groove opening, most of the area of the filter membrane can be fully utilized, and at the same time, the liquid accumulation in the liquid outlet tank is also prevented, improving the Efficiency of the filter element and the entire drip hopper.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

图1为本发明滴斗一实施例的整体剖视图；1 is an overall cross-sectional view of an embodiment of a drip bucket of the present invention;

图2为图1中A处的局部放大图；Fig. 2 is the partial enlarged view of A place in Fig. 1;

图3为图1中B处的局部放大图；Fig. 3 is a partial enlarged view at B in Fig. 1;

图4为本发明滴斗主体的一实施例的剖视图；4 is a cross-sectional view of an embodiment of the drip bucket main body of the present invention;

图5为本发明过滤件的一实施例的剖视图；5 is a cross-sectional view of an embodiment of the filter element of the present invention;

图6为本发明穿刺器和保护帽的一实施例的剖视图。6 is a cross-sectional view of an embodiment of the trocar and protective cap of the present invention.

附图标号说明：Description of reference numbers:

本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

具体实施方式Detailed ways

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的一部分实施例，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作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。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

需要说明，本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

另外，在本发明中如涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，全文中出现的“和/或”的含义为，包括三个并列的方案，以“A和/或B为例”，包括A方案，或B方案，或A和B同时满足的方案。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。In addition, descriptions such as "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" appearing in the whole text includes three parallel schemes, and taking "A and/or B as an example", it includes scheme A, scheme B, or scheme that A and B satisfy at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

本发明提出一种滴斗100。The present invention provides a drip hopper 100 .

参照图1至图3，在本发明一实施例中，该滴斗100包括：1 to 3, in an embodiment of the present invention, the drip hopper 100 includes:

滴斗主体10，所述滴斗主体10形成有过液通道10a，所述滴斗主体10的一端形成有出液槽11，所述出液槽11的槽底壁117设有出液口111，所述出液槽11具有与所述出液口111相对设置的槽开口113；和The drip hopper body 10, the drip hopper body 10 is formed with aliquid passage 10a, one end of the drip hopper body 10 is formed with a liquid outlet groove 11, and the bottom wall 117 of the liquid outlet groove 11 is provided with aliquid outlet 111 , the liquid outlet groove 11 has agroove opening 113 disposed opposite to theliquid outlet 111; and

过滤件30，所述过滤件30包括设于所述过液通道10a内的安装主体31和过滤膜33，所述安装主体31设有过滤口311a，所述过滤膜33罩盖所述过滤口311a设置，所述过滤口311a正对所述出液口111设置，且所述过滤口311a的面积大于等于所述槽开口113，并覆盖所述槽开口113设置。A filter element 30, the filter element 30 includes aninstallation body 31 and afilter membrane 33 disposed in theliquid passage 10a, theinstallation body 31 is provided with afilter port 311a, and thefilter membrane 33 covers thefilter port 311a is disposed, thefilter port 311a is disposed facing theliquid outlet 111 , and the area of thefilter port 311a is greater than or equal to thegroove opening 113 , and is disposed to cover thegroove opening 113 .

本申请的过滤膜33的孔隙率可为40％至50％，孔径为5μm至10μm，厚度为100至200μm。具体地，本申请过滤膜33的材质可以为Ag-Au固溶体、Ti-Zr固溶体等，由上述条件下构成的过滤膜33，过滤通量大，过滤精度较高，能够过滤掉颗粒较小的颗粒物，从而达到过滤掉药瓶内杂质的效果，以确保检测压力时的准确程度，同时该条件下的过滤膜33使用强度高，即使在反复清洗之后仍然能够保持较好的过滤效果。使用时可利用高温进行杀菌，更加方便快捷以提高使用的安全性。Thefilter membrane 33 of the present application may have a porosity of 40% to 50%, a pore diameter of 5 μm to 10 μm, and a thickness of 100 to 200 μm. Specifically, the material of thefilter membrane 33 of the present application can be Ag-Au solid solution, Ti-Zr solid solution, etc. Thefilter membrane 33 formed under the above conditions has large filtration flux and high filtration accuracy, and can filter out small particles. Therefore, the effect of filtering out impurities in the medicine bottle can be achieved to ensure the accuracy of pressure detection. At the same time, thefilter membrane 33 under this condition has high strength, and can still maintain a good filtering effect even after repeated cleaning. High temperature can be used for sterilization during use, which is more convenient and quicker to improve the safety of use.

过滤膜33可设有多层，多层所述过滤膜33层叠设置。可以理解的是，多层过滤膜33层叠设置以可以进一步提高过滤效果，其中相邻的过滤膜33可以间隔一段距离设置，以形成过滤空间，加强过滤效果；也可以直接相贴设置，便于安装。Thefilter membrane 33 may be provided with multiple layers, and the multiple layers of thefilter membrane 33 are stacked. It can be understood that themulti-layer filter membranes 33 are stacked to further improve the filtering effect, wherein theadjacent filter membranes 33 can be arranged at a distance to form a filtering space and enhance the filtering effect; they can also be directly attached to each other to facilitate installation. .

本申请的滴斗主体10可采用透明材料制成，透明主体上还可以设置刻度值以方便用户观察滴斗主体10内的药液。滴斗主体10大体呈长形筒状设置，上端形成开口用以跟穿刺器50连接，下端可安装过滤件30。出液槽11也可设置在滴斗主体10的下端。The drip hopper body 10 of the present application can be made of a transparent material, and a scale value can also be set on the transparent body to facilitate the user to observe the medicinal liquid in the drip hopper body 10 . The main body 10 of the drip hopper is generally arranged in a long cylindrical shape, an opening is formed at the upper end for connecting with the puncture device 50, and the filter element 30 can be installed at the lower end. The liquid outlet groove 11 can also be arranged at the lower end of the drip hopper main body 10 .

本发明技术方案通过采用在滴斗主体10内的过液通道10a设置过滤件30，通过过滤件30将通过过液通道10a的药液进行过滤，从而过滤输液过程中的药液杂质，提升治疗效果。进一步地，在设置过滤件30时，通过将过滤件30设置为安装主体31和过滤膜33，在安装时，通过安装主体31进行安装，使得过滤件30与滴斗主体10的连接安装更加稳定。避免过滤膜33与滴斗主体10直接接触安装，提高零件装配的稳定性。液体在流通时，在过液通道10a内先通过过滤膜33过滤后经由槽开口113流通至出液槽11内。在滴斗主体10的一端形成出液槽11，使得经由过滤件30过滤后的药液能够通过出液槽11的出液口111顺畅的流出。同时将过滤口311a的面积大于等于槽开口113，也即使得过滤膜33能够全部罩盖槽开口113，可以使得过滤膜33的大部分区域面积能够被充分利用，同时，也防止出液槽11内产生积液，提升过滤件30和整个滴斗100的使用效率。The technical solution of the present invention is to use theliquid passage 10a in the drip hopper body 10 to set the filter element 30, and the filter element 30 filters the medicinal liquid passing through theliquid passage 10a, so as to filter the medicinal liquid impurities during the infusion process and improve the treatment. Effect. Further, when the filter element 30 is installed, the filter element 30 is set as theinstallation body 31 and thefilter membrane 33, and during installation, theinstallation body 31 is used for installation, so that the connection and installation of the filter element 30 and the drip hopper body 10 are more stable. . The direct contact installation of thefilter membrane 33 with the drip hopper body 10 is avoided, and the stability of the parts assembly is improved. When the liquid is in circulation, it is first filtered through thefilter membrane 33 in theliquid passage 10a and then flows into the liquid outlet tank 11 through thetank opening 113 . A liquid outlet groove 11 is formed at one end of the drip hopper body 10 , so that the liquid medicine filtered through the filter element 30 can flow out smoothly through theliquid outlet 111 of the liquid outlet groove 11 . At the same time, the area of thefilter port 311a is equal to or greater than thegroove opening 113, that is, even if thefilter membrane 33 can completely cover thegroove opening 113, most of the area of thefilter membrane 33 can be fully utilized, and at the same time, it also prevents the liquid tank 11 from flowing out. Liquid accumulation is generated inside, which improves the use efficiency of the filter element 30 and the entire drip hopper 100 .

结合参照图2和图5，在本申请的一实施例中，所述安装主体31设有安装槽311，所述过滤口311a设于所述安装槽311的底壁，所述过滤件30设于所述安装槽311内。通过安装槽311的设置使得过滤膜33的安装更加方便稳定。2 and 5 , in an embodiment of the present application, theinstallation body 31 is provided with aninstallation groove 311 , thefilter port 311 a is provided on the bottom wall of theinstallation groove 311 , and the filter element 30 is provided with aninstallation groove 311 . in theinstallation groove 311 . The arrangement of theinstallation groove 311 makes the installation of thefilter membrane 33 more convenient and stable.

过滤膜33可拆卸连接于所述安装槽311内，通过可拆卸连接的过滤膜33使得过滤件30整体的装配较为简单方便。当然，过滤膜33和安装主体31也可以为一体结构。Thefilter membrane 33 is detachably connected to theinstallation groove 311 , and the detachable connection of thefilter membrane 33 makes the overall assembly of the filter element 30 relatively simple and convenient. Of course, thefilter membrane 33 and the mountingbody 31 may also be integrally constructed.

进一步地，所述过滤膜33包括膜本体331和设于所述膜本体331外缘的翻边333，所述膜本体331设于所述安装槽311的底壁，并覆盖所述过滤口311a，所述翻边333与所述安装槽311的槽侧壁抵接。Further, thefilter membrane 33 includes amembrane body 331 and aflange 333 disposed on the outer edge of themembrane body 331 . Themembrane body 331 is disposed on the bottom wall of theinstallation groove 311 and covers thefilter port 311a , theflange 333 is in contact with the side wall of theinstallation groove 311 .

翻边333设置的过滤膜33，在安装时通过翻边333与安装槽311的槽侧壁抵接，可采用粘结或卡接。翻边333的设置使得膜本体331能够更加稳定的安装在安装槽311内。膜本体331也可以与安装槽311的未设置过滤口311a的底壁处粘结，通过翻边333和膜本体331的双重固定，使得过滤膜33的安装更加稳定。Thefilter membrane 33 provided with theflange 333 is in contact with the side wall of theinstallation groove 311 through theflange 333 during installation, and can be bonded or clamped. The arrangement of theflanges 333 enables themembrane body 331 to be installed in theinstallation groove 311 more stably. Themembrane body 331 can also be bonded to the bottom wall of theinstallation groove 311 without thefilter port 311a, and the double fixing of theflange 333 and themembrane body 331 makes the installation of thefilter membrane 33 more stable.

结合参照图2和图4，在本申请的一实施例中，所述出液槽11的侧壁面115与所述滴斗主体10位于所述过液通道10a内的底面10b之间呈夹角α设置，所述夹角α的范围值为大于90度且小于180度。2 and 4, in an embodiment of the present application, an angle is formed between theside wall surface 115 of the liquid outlet tank 11 and the bottom surface 10b of the drip bucket main body 10 located in theliquid passing channel 10a α is set, and the range value of the included angle α is greater than 90 degrees and less than 180 degrees.

过液通道10a内的底面10b即为图示中滴斗主体10内的最下端的表面。出液槽11的侧壁面115的上侧边围合形成槽开口113。出液槽11的侧壁面115与过液通道10a内的底面10b之间呈钝角设置，即可使得液体在流下时有个导向的作用，防止积液。The bottom surface 10b in the liquid-passingchannel 10a is the surface of the lowermost end of the dropper main body 10 in the figure. The upper side edge of theside wall surface 115 of the liquid outlet tank 11 encloses thetank opening 113 . An obtuse angle is formed between theside wall surface 115 of the liquid outlet tank 11 and the bottom surface 10b of theliquid passage 10a, so that the liquid has a guiding function when flowing down, and prevents liquid accumulation.

和/或，所述出液槽11的设有所述出液口111的槽底壁面117与所述侧壁面115之间呈夹角β设置，所述夹角β的范围值为大于90度且小于180度。And/or, the bottom wall surface 117 of the liquid outlet tank 11 provided with theliquid outlet 111 and theside wall surface 115 are arranged at an included angle β, and the range value of the included angle β is greater than 90 degrees. and less than 180 degrees.

出液槽11的槽底壁面117与出液槽11的侧壁面115也设置呈钝角设置，也即是的液体在侧壁面115流动时进行第一段加速，然后在槽底壁面117上进行二次加速，进一步防止出现积液的情况。The bottom wall surface 117 of the liquid outlet tank 11 and theside wall surface 115 of the liquid outlet tank 11 are also set at an obtuse angle, that is, the liquid is accelerated in the first stage when theside wall surface 115 flows, and then the second stage is carried out on the bottom wall surface 117 of the tank. Sub-acceleration to further prevent the occurrence of fluid accumulation.

和/或，所述出液口111位于所述槽底壁的中心设置。And/or, theliquid outlet 111 is located in the center of the bottom wall of the tank.

出液口111位于槽底壁的中心设置，结合上述的方案，也是为了出液方便，防止积液的设计，三者结合能够实现较好的效果。Theliquid outlet 111 is located in the center of the bottom wall of the tank. In combination with the above solutions, it is also a design for convenient liquid discharge and prevention of liquid accumulation. The combination of the three can achieve better results.

进一步结合参照图2和图4，在本申请的一实施例中，所述滴斗主体10于所述过液通道10a的内壁面还设有安装骨位13，所述安装骨位13与所述安装槽311之间形成安装空间131，所述安装主体31设于所述安装空间131内。2 and 4 , in an embodiment of the present application, the drip hopper body 10 is further provided with aninstallation bone position 13 on the inner wall surface of theliquid passage 10a, and theinstallation bone position 13 is connected to the An installation space 131 is formed between theinstallation grooves 311 , and theinstallation body 31 is disposed in the installation space 131 .

安装骨位13的设置，使得过滤件30能够与滴斗主体10较好的安装在一起。安装骨位13起到限位的作用。安装骨位13与滴斗主体10位于过液通道10a内的底面10b之间形成夹持过滤件30的限位组合，通过物理连接的方式即可将过滤件30安装在过液通道10a内。安装骨位13可以与过滤件30抵接，也可以二者之间留有一点间隙，实现间隙配合，以使得取出过滤件30和安装过滤件30均较为方便。The setting of theinstallation bone position 13 enables the filter element 30 to be better installed together with the main body 10 of the drip bucket. Theinstallation bone position 13 acts as a limiter. Between theinstallation bone position 13 and the bottom surface 10b of the drip bucket main body 10 in theliquid passage 10a, a limit combination for holding the filter element 30 is formed, and the filter element 30 can be installed in theliquid passage passage 10a by means of physical connection. Theinstallation bone position 13 may abut with the filter element 30 , or there may be a gap between the two to achieve clearance fit, so that it is convenient to take out the filter element 30 and install the filter element 30 .

进一步地，所述安装骨位13背离所述安装槽311的一侧形成有导斜面133。Further, aguide slope 133 is formed on the side of the mountingbone position 13 away from the mountinggroove 311 .

通过该导斜面133，过滤件30在安装时，通过导斜面133的导引滑入至安装空间131内。从而使得过滤件30的安装更为方便。Through theguide slope 133 , when the filter element 30 is installed, it slides into the installation space 131 through the guide of theguide slope 133 . Therefore, the installation of the filter element 30 is more convenient.

和/或，所述安装骨位13呈环形设置；And/or, theinstallation bone position 13 is annularly arranged;

也即，安装骨位13环绕滴斗主体10设置，使得安装骨位13与过滤件30能够全方位抵接限位，使得安装骨位13与过滤件30之间的装配更加稳定。That is, theinstallation bone position 13 is arranged around the main body 10 of the drip bucket, so that theinstallation bone position 13 and the filter element 30 can abut and limit in all directions, so that the assembly between theinstallation bone position 13 and the filter element 30 is more stable.

和/或，所述滴斗主体10设有所述出液槽11的端部还设有加强筋17，所述加强筋17位于所述过液通道10a外，环绕所述出液口111设置。And/or, the end of the drip hopper body 10 provided with the liquid outlet groove 11 is also provided with a reinforcingrib 17, and the reinforcingrib 17 is located outside theliquid passage 10a and is arranged around theliquid outlet 111. .

加强筋17设置在滴斗主体10的端部，使得该端部的结构能够被加强，防止在使用时产生变形而导致的出液不顺畅。The reinforcingrib 17 is arranged on the end of the drip bucket main body 10, so that the structure of the end can be strengthened, and the liquid discharge caused by deformation during use is prevented.

结合参照图1、图3以及图6，在本申请的一实施例中，所述滴斗100还包括穿刺器50，所述穿刺器50包括安装座51和设于所述安装座51的穿刺主体53，所述穿刺主体53与所述过液通道10a连通，所述安装座51安装于所述设于所述滴斗主体10背离所述出液槽11的一端。Referring to FIG. 1 , FIG. 3 and FIG. 6 , in an embodiment of the present application, the drip bucket 100 further includes a piercer 50 , and the piercer 50 includes a mounting seat 51 and a piercing seat 51 provided on the mounting seat 51 . The main body 53, the puncturing main body 53 communicates with theliquid passage 10a, and the mounting seat 51 is installed on the end of the drip hopper main body 10 away from the liquid outlet groove 11.

通过设置穿刺器50，可方便滴斗主体10与输液瓶或其他输液容器的连接。该穿刺器50包括安装座51和穿刺主体53，通过安装座51进行安装可方便整个穿刺器50与滴斗主体10之间的连接装配。安装座51和穿刺主体53可以为一体结构，也可以为分体结构。By setting the piercer 50, the connection between the dropper body 10 and the infusion bottle or other infusion containers can be facilitated. The piercer 50 includes a mounting seat 51 and a piercing main body 53 , and the installation through the mounting seat 51 can facilitate the connection and assembly between the entire piercing device 50 and the drip bucket body 10 . The mounting seat 51 and the puncturing main body 53 may be an integral structure or a separate structure.

进一步地，所述安装座51包括主体板511、折弯设于所述主体板511周缘的安装板513、设于所述安装板513的表面的连接板515以及折弯连接于所述连接板515的侧板517，所述安装板513、连接板515以及所述侧板517围合形成插槽52，所述插槽52插接固定于所述滴斗主体10。也即，通过插接配合的方式，将安装座51安装到滴斗主体10上。插接配合的方式可简单方便的将安装座51安装在滴斗主体10上。Further, the mounting seat 51 includes a main body plate 511 , a mountingplate 513 bent and disposed on the periphery of the main body plate 511 , a connectingplate 515 disposed on the surface of the mountingplate 513 , and bent and connected to the connecting plate Theside plate 517 of the 515 , the mountingplate 513 , the connectingplate 515 and theside plate 517 are enclosed to form aslot 52 , and theslot 52 is inserted and fixed to the drip bucket main body 10 . That is, the mounting seat 51 is mounted on the drip bucket main body 10 by means of plug-fit. The mounting seat 51 can be easily and conveniently installed on the main body 10 of the drip hopper by means of plug-in fitting.

在本申请的一实施例中，所述插槽52包括插接段521和与所述插接段521连接的固定段523，所述插接段521设有插接口52a，所述滴斗主体10自所述插接口52a插入，定义所述安装板513和所述侧板517在所述插接段521内的距离值为W1，所述距离值W1在沿插接口52a至所述连接板515的方向呈逐渐变小设置；定义所述安装板513和所述侧板517在所述固定段523内的距离值为W2，所述距离值W2在沿插接口52a至所述连接板515的方向为固定值。In an embodiment of the present application, theslot 52 includes a plug-in segment 521 and a fixed segment 523 connected with the plug-in segment 521. The plug-in segment 521 is provided with a plug-in port 52a. 10 is inserted from the plug port 52a, and the distance value W1 between the mountingplate 513 and theside plate 517 in the plug section 521 is defined, and the distance value W1 is along the plug port 52a to the connecting board The direction of 515 is gradually reduced; define the distance value W2 between the mountingplate 513 and theside plate 517 in the fixed section 523, and the distance value W2 is along the plug port 52a to the connectingplate 515. direction is a fixed value.

在装配时，将滴斗主体10的上端从插接口52a插入。该插接段521的空间呈逐渐缩小设置，使得在插接口52a处的距离值W1为最大值，如此，可方便导引滴斗主体10的插接安装。同时将固定段523处的距离值W2设置为固定值，从而使该处的侧板517和安装板513之间的距离不变，使得滴斗主体10插接在该处时能够被紧固固定。为了进一步增强连接的稳定性，还可以在插槽52内设置胶水，通过插接和胶结结合的方式，使得穿刺器50与滴斗主体10之间的连接更加稳定。During assembly, the upper end of the drip bucket body 10 is inserted through the insertion port 52a. The space of the plug-in section 521 is gradually reduced, so that the distance value W1 at the plug-in port 52a is the maximum value, so that the plug-in installation of the main body 10 of the drip hopper can be easily guided. At the same time, the distance value W2 at the fixed section 523 is set to a fixed value, so that the distance between theside plate 517 and the mountingplate 513 at this place is unchanged, so that the drip bucket main body 10 can be fastened and fixed when it is inserted there. . In order to further enhance the stability of the connection, glue can also be provided in theslot 52, and the connection between the puncture device 50 and the main body 10 of the drip bucket can be made more stable by means of plugging and gluing.

和/或，所述连接板515设有连通所述插槽52的透气孔(未图示)。And/or, the connectingplate 515 is provided with a ventilation hole (not shown) communicating with theslot 52 .

通过透气孔的设置，使得在安装座51装配的过程中，与滴斗主体10之间不保留空气，实现二者的紧配合。再结合胶结的过程中，使得胶水中也不会存在气泡，进一步提升穿刺器50与滴斗主体10之间的连接的稳定性。Through the arrangement of the ventilation holes, no air is retained between the mounting seat 51 and the drip bucket main body 10 during the assembly process, so that the two are tightly matched. In the process of recombination and gluing, there will be no air bubbles in the glue, which further improves the stability of the connection between the puncture device 50 and the drip bucket main body 10 .

和/或，所述滴斗100还包括保护帽70，所述保护帽70的内壁面设有安装凸起71，所述保护帽70套设于所述穿刺主体53外，且所述安装凸起71与所述穿刺主体53抵接，以使所述保护帽70与所述穿刺主体53紧配合。And/or, the drip bucket 100 further includes a protection cap 70, the inner wall surface of the protection cap 70 is provided with a mounting protrusion 71, the protection cap 70 is sleeved outside the puncture body 53, and the mounting protrusion 71 is provided. The lifter 71 is in contact with the piercing body 53 , so that the protective cap 70 is tightly fitted with the piercing body 53 .

保护帽70的设置可以保护穿刺主体53在未使用时不被损坏。同时在设置保护帽70时，将保护帽70与安装凸起71抵接，可实现紧配合的效果，防止保护帽70因意外而脱离穿刺主体53。The provision of the protective cap 70 can protect the piercing body 53 from being damaged when not in use. At the same time, when the protective cap 70 is installed, the protective cap 70 is abutted with the mounting protrusion 71 to achieve a tight fit, preventing the protective cap 70 from being detached from the puncture body 53 by accident.

和/或，所述滴斗主体10于所述过液通道10a的内壁面还设有定位骨位15，所述定位骨位15与所述安装座51抵接限位。And/or, the drip bucket main body 10 is further provided with apositioning bone position 15 on the inner wall surface of the liquid passingchannel 10a, and thepositioning bone position 15 abuts with the mounting seat 51 to limit the position.

定位骨位15的上侧抵接安装座51的下端，使得安装座51在安装的过程中有定位限位的作用，使得安装座51的安装不仅仅靠连接板515与滴斗主体10的上端抵接，进而使得安装座51的安装更加精确。The upper side of thepositioning bone 15 abuts the lower end of the mounting seat 51, so that the mounting seat 51 has the function of positioning and limiting during the installation process, so that the installation of the mounting seat 51 is not only dependent on the connectingplate 515 and the upper end of the drip bucket main body 10. abutting, thereby making the installation of the mounting seat 51 more precise.

进一步地，安装骨位13背离所述滴斗主体10的第一表面135与所述定位骨位15背离所述滴斗主体10的第二表面151位于同一平面。Further, thefirst surface 135 of the mountingbone position 13 facing away from the drip hopper body 10 and thesecond surface 151 of thepositioning bone position 15 facing away from the drip hopper body 10 are located on the same plane.

第一表面135和第二表面151位于同一表面，也即安装骨位13和定位骨位15在滴斗主体10内的凸起的高度为相同。如此在加工滴斗主体10是较为方便。同时，第一表面135和第二表面151位于同一表面也方便滴斗主体10的拔模。Thefirst surface 135 and thesecond surface 151 are located on the same surface, that is, the heights of the protrusions of the mountingbone position 13 and thepositioning bone position 15 in the drip bucket main body 10 are the same. In this way, it is more convenient to process the drip hopper body 10 . At the same time, the fact that thefirst surface 135 and thesecond surface 151 are located on the same surface also facilitates the drafting of the drip bucket body 10 .

本发明还提出一种输液装置，该输液装置包括滴斗100，该滴斗100的具体结构参照上述实施例，由于本输液装置采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。The present invention also provides an infusion device, the infusion device includes a drip hopper 100, and the specific structure of the drip hopper 100 refers to the above-mentioned embodiments. Since the infusion device adopts all the technical solutions of all the above-mentioned embodiments, it has at least the above-mentioned embodiments. All the beneficial effects brought by the technical solution will not be repeated here.

以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

Translated fromChinese

1.一种滴斗，其特征在于，包括：1. a drip bucket, is characterized in that, comprises:滴斗主体，所述滴斗主体形成有过液通道，所述滴斗主体的一端形成有出液槽，所述出液槽的槽底壁设有出液口，所述出液槽具有与所述出液口相对设置的槽开口；和The drip hopper body, the drip hopper body is formed with a liquid passage, one end of the drip hopper body is formed with a liquid outlet groove, the bottom wall of the liquid outlet groove is provided with a liquid outlet, and the liquid outlet groove has a a slot opening opposite the liquid outlet; and过滤件，所述过滤件包括设于所述过液通道内的安装主体和过滤膜，所述安装主体设有过滤口，所述过滤膜罩盖所述过滤口设置，所述过滤口正对所述出液口设置，且所述过滤口的面积大于等于所述槽开口，并覆盖所述槽开口设置。A filter element, the filter element includes an installation body and a filter membrane arranged in the liquid passage channel, the installation body is provided with a filter port, the filter membrane covers the filter port, and the filter port is facing The liquid outlet is provided, and the area of the filter port is greater than or equal to the groove opening, and is provided to cover the groove opening.2.如权利要求1所述的滴斗，其特征在于，所述安装主体设有安装槽，所述过滤口设于所述安装槽的底壁，所述过滤件设于所述安装槽内。2 . The drip hopper according to claim 1 , wherein the installation body is provided with an installation groove, the filter port is provided on the bottom wall of the installation groove, and the filter element is provided in the installation groove. 3 . .3.如权利要求2所述的滴斗，其特征在于，所述过滤膜包括膜本体和设于所述膜本体外缘的翻边，所述膜本体设于所述安装槽的底壁，并覆盖所述过滤口，所述翻边与所述安装槽的槽侧壁抵接。3. The drip hopper according to claim 2, wherein the filter membrane comprises a membrane body and a flange arranged on the outer edge of the membrane body, and the membrane body is arranged on the bottom wall of the installation groove, and cover the filter port, and the flange is in contact with the groove side wall of the installation groove.4.如权利要求2所述的滴斗，其特征在于，所述出液槽的侧壁面与所述滴斗主体位于所述过液通道内的底面之间呈夹角α设置，所述夹角α的范围值为大于90度且小于180度；4. The drip hopper according to claim 2, wherein the side wall surface of the liquid outlet groove and the bottom surface of the drip hopper main body located in the liquid passage channel are arranged at an angle α, and the clamp is arranged at an angle α. The range value of the angle α is greater than 90 degrees and less than 180 degrees;和/或，所述出液槽的设有所述出液口的槽底壁面与所述侧壁面之间呈夹角β设置，所述夹角β的范围值为大于90度且小于180度；And/or, an included angle β is formed between the bottom wall surface of the liquid outlet tank where the liquid outlet is provided and the side wall surface, and the range value of the included angle β is greater than 90 degrees and less than 180 degrees. ;和/或，所述出液口位于所述槽底壁的中心设置；And/or, the liquid outlet is located at the center of the bottom wall of the tank;和/或，所述过滤膜可拆卸连接于所述安装槽内。And/or, the filter membrane is detachably connected to the installation groove.5.如权利要求1所述的滴斗，其特征在于，所述滴斗主体于所述过液通道的内壁面还设有安装骨位，所述安装骨位与所述安装槽之间形成安装空间，所述安装主体设于所述安装空间内。5 . The drip hopper according to claim 1 , wherein the drip hopper body is further provided with an installation bone position on the inner wall surface of the liquid passage, and the installation bone position and the installation groove are formed between the drip hopper. 6 . an installation space, and the installation body is arranged in the installation space.6.如权利要求5所述的滴斗，其特征在于，所述安装骨位背离所述安装槽的一侧形成有导斜面；6. The drip hopper according to claim 5, wherein a guide slope is formed on the side of the mounting bone that is away from the mounting groove;和/或，所述安装骨位呈环形设置；And/or, the installation bone position is annularly arranged;和/或，所述滴斗主体设有所述出液槽的端部还设有加强筋，所述加强筋位于所述过液通道外，环绕所述出液口设置。And/or, a reinforcing rib is also provided at the end of the drip hopper body provided with the liquid outlet groove, and the reinforcing rib is located outside the liquid passage and arranged around the liquid outlet.7.如权利要求1至6中任一所述的滴斗，其特征在于，所述滴斗还包括穿刺器，所述穿刺器包括安装座和设于所述安装座的穿刺主体，所述穿刺主体与所述过液通道连通，所述安装座安装于所述设于所述滴斗主体背离所述出液槽的一端。7. The drip hopper according to any one of claims 1 to 6, characterized in that, the drip hopper further comprises a puncture device, and the puncture device comprises a mounting seat and a piercing main body provided on the mounting seat, the The puncture main body communicates with the liquid passage, and the mounting seat is installed on the end of the drip hopper main body away from the liquid outlet groove.8.如权利要求7所述的滴斗，其特征在于，所述安装座包括主体板、折弯设于所述主体板周缘的安装板、设于所述安装板的表面的连接板以及折弯连接于所述连接板的侧板，所述安装板、连接板以及所述侧板围合形成插槽，所述插槽插接固定于所述滴斗主体。8 . The drip hopper according to claim 7 , wherein the mounting seat comprises a main body plate, a mounting plate bent and arranged on the periphery of the main body plate, a connecting plate arranged on the surface of the installation plate, and a folding plate. 9 . The side plate is bent and connected to the connecting plate, the mounting plate, the connecting plate and the side plate are enclosed to form a slot, and the slot is inserted and fixed to the main body of the drip bucket.9.如权利要求8所述的滴斗，其特征在于，所述插槽包括插接段和与所述插接段连接的固定段，所述插接段设有插接口，所述滴斗主体自所述插接口插入，定义所述安装板和所述侧板在所述插接段内的距离值为W1，所述距离值W1在沿插接口至所述连接板的方向呈逐渐变小设置；定义所述安装板和所述侧板在所述固定段内的距离值为W2，所述距离值W2在沿插接口至所述连接板的方向为固定值；9. The drip hopper according to claim 8, wherein the slot comprises a plug-in section and a fixed section connected with the plug-in section, the plug-in section is provided with a plug-in port, and the drip hopper The main body is inserted from the socket, and the distance between the mounting plate and the side plate in the socket section is defined as W1, and the distance W1 gradually changes along the direction from the socket to the connection board. Small setting; define the distance value W2 between the mounting plate and the side plate in the fixed section, and the distance value W2 is a fixed value along the direction from the plug-in port to the connecting plate;和/或，所述连接板设有连通所述插槽的透气孔；And/or, the connecting plate is provided with a ventilation hole communicating with the slot;和/或，所述滴斗还包括保护帽，所述保护帽的内壁面设有安装凸起，所述保护帽套设于所述穿刺主体外，且所述安装凸起与所述穿刺主体抵接，以使所述保护帽与所述穿刺主体紧配合；And/or, the drip bucket further includes a protective cap, the inner wall surface of the protective cap is provided with a mounting protrusion, the protective cap is sleeved outside the puncture body, and the mounting protrusion is connected to the puncture body. abutting, so that the protective cap is tightly fitted with the piercing body;和/或，所述滴斗主体于所述过液通道的内壁面还设有定位骨位，所述定位骨位与所述安装座抵接限位。And/or, the drip bucket main body is further provided with a positioning bone position on the inner wall surface of the liquid passage channel, and the positioning bone position is abutted with the mounting seat to limit the position.10.一种输液装置，其特征在于，包括如权利要求1至9中任一所述的滴斗。10. An infusion device, characterized in that it comprises the drip bucket according to any one of claims 1 to 9.

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