CN210447764U - Self-venting continuous infusion set - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and a continuous transfusion system of self-bleeding formula is disclosed, including bottle plug puncture ware, trade the liquid valve, infusion hose two, the pressure regulating drip cup, infusion hose three, velocity of flow regulator and syringe needle are constituteed, four bottle plug puncture wares are located trade liquid valve top fixed connection, trade the liquid valve by trading the liquid valve connecting plate, trade the liquid valve rotor plate and trade the liquid valve bottom plate and constitute, the pressure regulating drip cup is by pressure regulating drip cup shell, pressure regulating drip cup drain pan and pull tube are constituteed, trade the liquid valve and pass through infusion hose two and pressure regulating drip cup fixed connection, trade liquid valve rotor plate shell lower surface and seted up down the rotation groove, lower rotation groove is the ring groove, make trade liquid valve connecting plate and trade liquid valve rotor plate swing joint, three upper ends of infusion hose and pressure regulating drip cup lower extreme fixed connection, three lower surfaces of hose and infusion needle upper surface fixed connection. Has the advantages of convenient liquid change, convenient dropper gas discharge and the like, and solves the problems of inconvenient liquid change and inconvenient gas discharge.

Description

Self-exhaust continuous transfusion system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a self-exhaust continuous infusion apparatus.

Background

In practical use, the intravenous clinical infusion is usually a continuous infusion with a plurality of infusion bottles, and the plurality of infusion bottles must be sequentially infused in a strict sequence due to different action mechanisms of medicines, mutual interference among different medicines and the like. The prior multi-bottle infusion bottle continuous infusion needs real-time monitoring and intervention of medical care personnel, such as manual exhaust, manual infusion bottle replacement, manual pre-infusion confirmation, post-infusion cleaning, manual infusion speed adjustment and the like, and has a plurality of problems and inconveniences, and the detailed description is as follows: 1. before infusion, medical care personnel need to carry out manual exhaust on an infusion apparatus. The conventional exhaust mode is to arrange the dropper horizontally, and when enough liquid is stored in the dropper, the dropper is squeezed by fingers, so that the liquid medicine can quickly enter the dropping funnel, and most of air in the infusion apparatus can be exhausted. The process is very complicated and time-consuming 2, and when a plurality of bottles of infusion liquid are continuously infused, the infusion bottle needs to be manually replaced after each bottle of liquid medicine is infused. On one hand, medical care personnel often need to nurse infusion patients in a plurality of wards, and the manual replacement of infusion bottles takes a great deal of time for the medical care personnel, so that energy is wasted unnecessarily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a self-exhaust continuous infusion apparatus, which has the advantages of convenient liquid replacement, convenient dropper gas removal and the like, and solves the problems of inconvenient liquid replacement and inconvenient exhaust.

(II) technical scheme

In order to realize the above-mentioned liquid that conveniently trades, conveniently get rid of burette gas purpose, the utility model provides a following technical scheme: from continuous transfusion system of exhaust formula, bottle plug puncture ware, trade liquid valve, infusion hose two, pressure regulating drip cup, infusion hose three, flow rate regulator and syringe needle are constituteed, four bottle plug puncture wares are located trade liquid valve top fixed connection, trade the liquid valve and pass through infusion hose two and pressure regulating drip cup fixed connection, infusion hose three upper ends and pressure regulating drip cup lower extreme fixed connection, three lower surfaces of infusion hose and syringe needle upper surface fixed connection.

Preferably, the bottle plug puncture device comprises a puncture needle, an air inlet valve and an infusion hose, the puncture needle is a hard material needle, a round hole is formed in one side of the lower end of the puncture needle, the air inlet valve is a hollow circular truncated cone and is aligned with the round hole in the lower end of the puncture needle, and the air inlet valve is fixedly connected with the puncture needle.

Preferably, the liquid change valve is composed of a liquid change valve connecting plate, a liquid change valve rotating plate and a liquid change valve bottom plate.

Trade the liquid valve connecting plate by the feed liquor hole, the scale platform, go up the rotor table and trade liquid valve connecting plate shell and constitute, it is the cylinder lid to trade liquid valve connecting plate shell, trade liquid valve connecting plate shell upper surface and evenly seted up four feed liquor holes, the round hole of feed liquor hole for running through trade liquid valve connecting plate shell upper surface, it has four scale platforms to trade liquid valve connecting plate shell side surface protrusion, three of scale platform position, and four scale platform positions correspond with four feed liquor hole positions respectively, it is by the flow liquid hole to trade the liquid valve rotor plate, go up the rotor table, the rotation outside, lower rotor table, trade liquid valve rotor plate shell and scale square platform and constitute.

Preferably, the lower surface of the liquid valve rotating plate shell is provided with an upper rotating groove, the upper rotating groove is a circular groove, the liquid valve rotating plate shell is a cylindrical block, one side of the upper surface of the liquid valve rotating plate shell is provided with a liquid flowing hole, the liquid flowing hole is a circular hole penetrating through the liquid valve rotating plate shell, the rotating outer edge is a hollow cylinder penetrating through the upper part and the lower part, the radius of the inner ring of the rotating outer edge is the same as the radius of the outer ring of the liquid valve rotating plate shell, the lower surface of the rotating outer edge is aligned with the lower surface of the liquid valve rotating plate shell, the rotating outer edge is fixedly connected with the liquid valve rotating plate shell, the outer side of the rotating outer edge is fixedly connected with a scale square table, the scale square table is aligned with the liquid flowing hole, the upper surface of the rotating outer edge is fixedly connected with an upper rotating table, the upper rotating table is a circular block with the same size as the upper rotating groove, the lower rotating groove is formed in, so that the liquid changing valve connecting plate is movably connected with the liquid changing valve rotating plate.

Preferably, trade the liquid valve bottom plate and constitute by bottom plate shell and lower revolving stage, the bottom plate shell is the ring piece, and lower revolving stage is located bottom plate shell upper surface fixed connection, and lower revolving stage is the hollow cylinder that runs through from top to bottom that the size is the same with lower revolving groove size, inserts through lower revolving stage and rotates the groove down for trade liquid valve rotor plate and trade liquid valve bottom plate swing joint, four infusion hose one aligns with four feed liquor holes respectively.

Preferably, kettle is dripped in the pressure regulating comprises kettle shell, kettle drain pan and the pull pipe is dripped in the pressure regulating, and kettle shell is lower extreme open-ended hollow kettle to the pressure regulating, and kettle drain pan is continuous through the hollow circular cylinder who runs through from top to bottom for two rings from top to bottom to constitute to the pressure regulating, and goes up ring outer lane radius and circle inner circle radius down the same, and kettle drain pan is located pressure regulating kettle shell below fixed connection, and the pulling pipe position is the hollow circular cylinder of stereoplasm, and pull pipe upper surface and pressure regulating drip kettle drain pan on ring lower fixed surface be connected.

Preferably, the upper surface of the third infusion hose is fixedly connected with the lower surface of the pulling tube, the third infusion hose penetrates through the flow rate regulator, the third infusion hose is movably connected with the flow rate regulator, the upper end of the injection needle is a hollow circular truncated cone, and the lower end of the injection needle is a metal needle.

(III) advantageous effects

Compared with the prior art, the utility model provides a from continuous transfusion system of exhaust formula possesses following beneficial effect:

1. this from exhaust formula continuous transfusion system, through inserting different infusion bottles with four bottle stopper impacters, can realize when needing to defeated different liquid medicines, medical personnel just once are connected different infusion bottles with the transfusion system.

2. This from exhaust formula continuous transfusion system through changing liquid valve rotor plate adjustment flow hole position through rotating, makes its feed inlet that corresponds with the infusion bottle that needs the injection align, reaches the effect that conversion liquid medicine continues to drip and hang, because scale platform aligns with feed inlet hole position, scale square platform aligns with flow hole, just can know flow hole position through observing scale square platform position to this confirms easily that drips and hangs corresponding liquid medicine.

3. According to the self-exhaust continuous infusion apparatus, the three infusion hoses are closed by controlling the flow rate regulator, the pulling pipe is pulled to pull the bottom shell of the pressure-regulating drip cup downwards, so that the pressure-regulating drip cup generates negative pressure, medicine water in the infusion bottle is sucked into the pressure-regulating drip cup, and the flow rate regulator is controlled to restore the three infusion hoses to the original state, so that exhaust of the pressure-regulating drip cup is completed.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the liquid change valve of the present invention;

FIG. 3 is an exploded view of the liquid change valve of the present invention;

FIG. 4 is a sectional view of the pressure-regulating drip cup of the present invention;

FIG. 5 is a bottom view of the fluid-change valve connecting plate of the present invention;

fig. 6 is a bottom view of the liquid change valve rotating plate of the present invention.

In the figure: in the figure: 1 bottle stopper puncture device, 11 puncture needles, 12 air inlet valves, 13 transfusion hoses I, 2 liquid change valves, 21 liquid change valve connecting plates, 211 liquid inlet holes, 212 calibration tables, 213 upper rotating grooves, 214 liquid change valve connecting plate shells, 22 liquid change valve rotating plates, 221 liquid flow holes, 222 upper rotating tables, 223 rotating outer edges, 224 lower rotating grooves, 225 liquid change valve rotating plate shells, 226 calibration square tables, 23 liquid change valve bottom plates, 231 bottom plate shells, 232 lower rotating tables, 3 transfusion hoses II, 4 pressure regulating drip cups, 41 drip cup shells, 42 pull tubes, 5 transfusion hoses III, 6 flow rate regulators and 7 injection needles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the self-venting continuous infusion apparatus comprises a bottle stopper puncture device 1, a liquid changing valve 2, a second infusion hose 3, a pressure-regulating drip cup 4, athird infusion hose 5, aflow rate regulator 6 and an injection needle 7, wherein the bottle stopper puncture device 1 comprises apuncture needle 11, anair inlet valve 12 and afirst infusion hose 13, thepuncture needle 11 is a hard needle, one side of the lower end of thepuncture needle 11 is provided with a round hole, theair inlet valve 12 is a hollow round table, theair inlet valve 12 is aligned with the round hole at the lower end of thepuncture needle 11, theair inlet valve 12 is fixedly connected with thepuncture needle 11, after thepuncture needle 11 is inserted into an infusion bottle, the air pressure in the infusion bottle is controlled by theair inlet valve 12 during infusion, thefirst infusion hose 13 is fixedly connected with the lower end of thepuncture needle 11, the liquid changing valve 2 comprises a liquid changingvalve connecting plate 21, a liquid changingvalve rotating plate 22, The liquid changing valve comprises a scale table 212, an upper rotatinggroove 213 and a liquid changing valveconnecting plate shell 214, the liquid changing valve connectingplate shell 214 is a cylindrical cover, fourliquid inlet holes 211 are uniformly formed in the upper surface of the liquid changing valveconnecting plate shell 214, theliquid inlet holes 211 are round holes penetrating through the upper surface of the liquid changing valve connectingplate shell 214, four scale tables 212 protrude from the side surface of the liquid changing valve connectingplate shell 214, the three scale tables 212 are positioned, the four scale tables 212 correspond to the fourliquid inlet holes 211 respectively, a liquid changingvalve rotating plate 22 comprises a liquid flowinghole 221, an upper rotating table 222, a rotatingouter edge 223, a lower rotating groove 224, a liquid changing valverotating plate shell 225 and a scale square table 216, the upper rotatinggroove 213 is formed in the lower surface of the liquid changing valve rotatingplate shell 225, the upper rotatinggroove 213 is a circular groove, the liquid changing valve rotatingplate shell 225 is a cylindrical block, the liquid flowinghole 221 is formed in one side of the upper surface of the liquid changing valve rotating, theliquid flow hole 221 is a circular hole penetrating through the liquid change valve rotatingplate shell 225, the rotatingouter edge 223 is a hollow cylinder penetrating up and down, the radius of the inner ring of the rotatingouter edge 223 is the same as the radius of the outer ring of the liquid change valve rotatingplate shell 225, the lower surface of the rotatingouter edge 223 is aligned with the lower surface of the liquid changevalve rotating plate 22, the rotatingouter edge 223 is fixedly connected with the liquid change valverotating plate shell 225, the outer side of the rotatingouter edge 223 is fixedly connected with ascale square platform 226, thescale square platform 226 is aligned with theliquid flow hole 221, the upper surface of the rotatingouter edge 223 is fixedly connected with an upper rotatingplatform 222, the upper rotatingplatform 222 is a circular ring block with the same size as the upper rotatinggroove 213, the lower rotating groove 224 is formed in the lower surface of the liquid change valverotating plate shell 225, the lower rotating groove 224 is a circular ring groove, the upper rotatingplatform 222 is inserted into the upper rotatinggroove 213, so that the liquid changevalve connecting plate 21 is movably connected with the, thebottom plate shell 231 is a circular ring block, the lower rotating table 232 is fixedly connected on the upper surface of thebottom plate shell 231, the lower rotating table 232 is a hollow cylinder which is penetrated through up and down and has the same size as the lower rotating groove 224, the lower rotating table 232 is inserted into the lower rotating groove 224, so that the liquid changevalve rotating plate 22 is movably connected with the liquid changevalve bottom plate 23, four transfusion hoses I13 are respectively aligned with the fourliquid inlet holes 211, the four bottle stopper piercers 1 are fixedly connected with the liquid change valve 2, the pressure regulating drip cup 4 is composed of a pressure regulatingdrip cup shell 41, a pressure regulating dripcup bottom shell 42 and apull pipe 43, the pressure regulatingdrip cup shell 41 is a hollow cup with an opening at the lower end, the pressure regulating dripcup bottom shell 42 is composed of two upper and lower circular rings which are connected through hollow cylinders which are penetrated up and down, the radius of the outer ring of the upper circular ring is the same as that of the inner ring of the lower circular ring, the pressure regulating drip cup bottom shell, the upper surface of thepull tube 43 is fixedly connected with the lower surface of an upper ring of abottom shell 42 of the pressure-regulating drip cup, the liquid changing valve 2 is fixedly connected with the liquid changing valve 2 through a second infusion hose 3, the upper surface of athird infusion hose 5 is fixedly connected with the lower surface of thepull tube 43, thethird infusion hose 5 penetrates through theflow rate regulator 6, thethird infusion hose 5 is movably connected with theflow rate regulator 6, the upper end of the injection needle 7 is a hollow circular truncated cone, the lower end of the injection needle 7 is a metal needle, and the lower surface of thethird infusion hose 5 is fixedly connected with the upper surface of the injection needle 7.

When the bottle stopper puncture device is used, in the first step, medical personnel can insert the four bottle stopper puncture devices 1 into different infusion bottles, so that the medical personnel can connect different infusion bottles with an infusion apparatus at one time when different liquid medicines are needed to be infused.

And secondly, after a bottle of liquid medicine is injected, the position of theliquid flow hole 221 is adjusted by rotating the liquid changevalve rotating plate 22, so that the liquid flow hole is aligned with theliquid inlet hole 211 corresponding to the infusion bottle to be injected, the effect of converting the liquid medicine to continue dripping is achieved, because the scale table 212 is aligned with theliquid inlet hole 211, the scale square table 226 is aligned with theliquid flow hole 211, the position of theliquid flow hole 221 can be known by observing the position of the scale square table 226, and the liquid medicine corresponding to dripping is easy to determine.

And thirdly, before infusion, when the infusion apparatus needs to be manually exhausted, closing the threeinfusion hoses 5 by controlling theflow rate regulator 6, pulling thepull tube 43 to pull the bottom shell 52 of the pressure regulating drip cup downwards to enable the pressure regulating drip cup 4 to generate negative pressure, sucking the liquid medicine in the infusion bottle into the pressure regulating drip cup 4, and controlling theflow rate regulator 6 to enable the three infusion hoses to recover to the original state, so that the exhaust of the pressure regulating drip cup 4 is completed.

Claims (7)

Translated fromChinese

1.一种自排气式连续输液器，包括瓶塞刺穿器（1）、换液阀（2）、输液软管二（3）、调压滴壶（4）、输液软管三（5）、流速调节器（6）以及注射针头（7）组成，其特征在于：四个瓶塞刺穿器（1）位于换液阀（2）上方固定连接，换液阀（2）通过输液软管二（3）与调压滴壶（4）固定连接，输液软管三（5）上端与调压滴壶下端固定连接，输液软管三（5）下表面与注射针头（7）上表面固定连接。1. A self-exhausting continuous infusion set, comprising a cork piercer (1), a liquid exchange valve (2), two (3) infusion hoses, a pressure regulating drip pot (4), and three (3) infusion hoses 5), a flow rate regulator (6) and an injection needle (7), characterized in that: the four stopper piercers (1) are fixedly connected above the liquid exchange valve (2), and the liquid exchange valve (2) passes the infusion The second hose (3) is fixedly connected to the pressure regulating drip pot (4), the upper end of the infusion hose three (5) is fixedly connected to the lower end of the pressure regulating drip pot, and the lower surface of the third (5) infusion hose is connected to the injection needle (7). Surface fixed connection.2.根据权利要求1所述的一种自排气式连续输液器，其特征在于：所述瓶塞刺穿器（1）由刺穿针头（11）、进气阀（12）以及输液软管一（13）组成，刺穿针头（11）为硬质材质针头，刺穿针头（11）下端一侧开设有圆孔，进气阀（12）为空心圆台，进气阀（12）与刺穿针头（11）下端圆孔对齐，进气阀（12）与刺穿针头（11）固定连接。2. A self-venting continuous infusion set according to claim 1, characterized in that: the stopper piercer (1) consists of a piercing needle (11), an air inlet valve (12) and an infusion soft The first tube (13) consists of the piercing needle (11) which is a hard material needle, a circular hole is formed on one side of the lower end of the piercing needle (11), the air inlet valve (12) is a hollow circular truncated cone, and the air inlet valve (12) and the The circular holes at the lower end of the puncture needle (11) are aligned, and the air inlet valve (12) is fixedly connected with the puncture needle (11).3.根据权利要求1所述的一种自排气式连续输液器，其特征在于：所述换液阀（2）由换液阀连接板（21）、换液阀转动板（22）以及换液阀底板（23）组成，换液阀连接板（21）由进液孔（211）、刻度台（212）、上转动槽（213）以及换液阀连接板外壳（214）组成，换液阀连接板外壳（214）为圆柱盖，换液阀连接板外壳（214）上表面均匀开设有四个进液孔（211），进液孔（211）为贯穿换液阀连接板外壳（214）上表面的圆孔，换液阀连接板外壳（214）侧表面凸出有四个刻度台（212），刻度台（212）位三台，且四个刻度台（212）位置与分别与四个进液孔（211）位置对应。3. A self-exhausting continuous infusion set according to claim 1, characterized in that: the liquid exchange valve (2) consists of a liquid exchange valve connecting plate (21), a liquid exchange valve rotating plate (22) and a The liquid exchange valve base plate (23) is composed of the liquid exchange valve connecting plate (21) which is composed of a liquid inlet hole (211), a scale table (212), an upper rotation groove (213) and a liquid exchange valve connecting plate shell (214). The liquid valve connecting plate shell (214) is a cylindrical cover, and four liquid inlet holes (211) are evenly opened on the upper surface of the liquid exchange valve connecting plate shell (214). 214) The round hole on the upper surface, four scale tables (212) protrude from the side surface of the liquid exchange valve connecting plate shell (214), three scale tables (212), and the positions of the four scale tables (212) are different from each other. Corresponding to the positions of the four liquid inlet holes (211).4.根据权利要求3所述的一种自排气式连续输液器，其特征在于：所述换液阀转动板（22）由流液孔（221）、上转动台（222）、转动外边（223）、下转动槽（224）、换液阀转动板外壳（225）以及刻度方台（226）组成，换液阀转动板外壳（225）下表面开设有上转动槽（213），上转动槽（213）为圆环槽，换液阀转动板外壳（225）为圆柱体块，换液阀转动板外壳（225）上表面一侧开设有流液孔（221），流液孔（221）为贯穿换液阀转动板外壳（225）的圆形孔，转动外边（223）为上下贯穿的空心圆柱体，转动外边（223）内圈半径与换液阀转动板外壳（225）外圈半径相同，转动外边（223）下表面与换液阀转动板（22）下表面对齐，转动外边（223）与换液阀转动板外壳（225）固定连接，转动外边（223）外侧固定连接有刻度方台（226），刻度方台（226）与流液孔（221）对齐，转动外边（223）上表面固定连接有上转动台（222），上转动台（222）为大小与上转动槽（213）相同的圆环块，换液阀转动板外壳（225）下表面开设有下转动槽（224），下转动槽（224）为圆环槽，将上转动台（222）插入上转动槽（213）中，使得换液阀连接板（21）与换液阀转动板（22）活动连接。4. A self-exhausting continuous infusion set according to claim 3, characterized in that: the liquid exchange valve rotating plate (22) consists of a liquid flow hole (221), an upper rotating table (222), a rotating outer side (223), a lower rotating groove (224), a casing (225) of the rotating plate of the liquid change valve and a scale square table (226). The rotating groove (213) is a ring groove, the casing (225) of the rotating plate of the fluid exchange valve is a cylindrical block, and the upper surface of the casing (225) of the fluid changing valve is provided with a flow hole (221), and the flow hole ( 221) is a circular hole that penetrates through the casing (225) of the rotating plate of the fluid change valve, the outer side of the rotating (223) is a hollow cylinder that penetrates up and down, and the radius of the inner ring of the rotating outer (223) is the same as the outside of the casing (225) of the rotating plate of the fluid changing valve. The circle radius is the same, the lower surface of the rotating outer edge (223) is aligned with the lower surface of the liquid exchange valve rotating plate (22), the rotating outer edge (223) is fixedly connected with the liquid exchange valve rotating plate shell (225), and the outside of the rotating outer edge (223) is fixedly connected There is a scale square table (226), the scale square table (226) is aligned with the liquid flow hole (221), the upper surface of the rotating outer edge (223) is fixedly connected with an upper rotating table (222), and the upper rotating table (222) is the same size as the upper surface. On the same ring block as the rotation groove (213), a lower rotation groove (224) is formed on the lower surface of the housing (225) of the rotating plate of the fluid change valve, and the lower rotation groove (224) is a ring groove. Insert the upper rotation table (222) In the upper rotating groove (213), the fluid exchange valve connecting plate (21) is movably connected with the fluid exchange valve rotating plate (22).5.根据权利要求3所述的一种自排气式连续输液器，其特征在于：所述换液阀底板（23）由底板外壳（231）以及下转动台（232）组成，底板外壳（231）为圆环块，下转动台（232）位于底板外壳（231）上表面固定连接，下转动台（232）为大小与下转动槽（224）大小相同的上下贯穿的空心圆柱体，通过下转动台（232）插入下转动槽（224），使得换液阀转动板（22）与换液阀底板（23）活动连接，四个输液软管一（13）分别与四个进液孔（211）对齐。5. A self-venting continuous infusion set according to claim 3, characterized in that: the bottom plate (23) of the liquid exchange valve is composed of a bottom plate shell (231) and a lower turntable (232), and the bottom plate shell (231) 231) is a ring block, the lower turntable (232) is fixedly connected on the upper surface of the bottom plate shell (231), and the lower turntable (232) is a hollow cylinder with the same size as the lower turning slot (224) that penetrates up and down. The lower rotating table (232) is inserted into the lower rotating groove (224), so that the fluid exchange valve rotating plate (22) is movably connected with the fluid exchange valve base plate (23), and one of the four infusion hoses (13) is connected to the four fluid inlet holes respectively. (211) Alignment.6.根据权利要求1所述的一种自排气式连续输液器，其特征在于：所述调压滴壶（4）由调压滴壶外壳（41）、调压滴壶底壳（42）以及拉动管（43）组成，调压滴壶外壳（41）为下端开口的空心壶，调压滴壶底壳（42）为上下两个圆环通过上下贯穿的空心圆柱体相连构成，且上圆环外圈半径与下圆环内圈半径相同，调压滴壶底壳（42）位于调压滴壶外壳（41）下方固定连接，拉动管（43）位为硬质空心圆柱体，拉动管（43）上表面与调压滴壶底壳（42）上圆环下表面固定连接。6. A self-venting continuous infusion set according to claim 1, characterized in that: the pressure regulating dripping pot (4) consists of a pressure regulating dripping pot shell (41), a pressure regulating dripping pot bottom shell (42) ) and a pulling tube (43), the pressure-regulating dripping pot shell (41) is a hollow pot with an open lower end, and the pressure-regulating dripping pot bottom shell (42) is composed of two upper and lower rings connected by a hollow cylinder that penetrates up and down, and The radius of the outer ring of the upper ring is the same as the radius of the inner ring of the lower ring, the bottom shell (42) of the pressure regulating drip pot is fixedly connected under the outer shell (41) of the pressure regulating drip pot, and the pulling tube (43) is a hard hollow cylinder, The upper surface of the pulling tube (43) is fixedly connected with the lower surface of the upper ring of the pressure regulating drip pot bottom shell (42).7.根据权利要求1所述的一种自排气式连续输液器，其特征在于：所述输液软管三（5）上表面与拉动管（43）下表面固定连接，输液软管三（5）穿过流速调节器（6），输液软管三（5）与流速调节器（6）活动连接，注射针头（7）上端为空心圆台，注射针头（7）下端为金属针头。7. A self-venting continuous infusion set according to claim 1, characterized in that: the upper surface of the third (5) infusion hose is fixedly connected to the lower surface of the pulling tube (43), and the third (5) infusion hose is fixedly connected to the lower surface of the pulling tube (43). 5) Pass through the flow rate regulator (6), the infusion hose three (5) is movably connected with the flow rate regulator (6), the upper end of the injection needle (7) is a hollow circular table, and the lower end of the injection needle (7) is a metal needle.

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