CN202724353U - Liquid dropping mechanism of residual-free drip chamber of infusion apparatus - Google Patents

Liquid dropping mechanism of residual-free drip chamber of infusion apparatus Download PDF

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Publication number
CN202724353U
CN202724353U CN201220426757.3U CN201220426757U CN202724353U CN 202724353 U CN202724353 U CN 202724353U CN 201220426757 U CN201220426757 U CN 201220426757U CN 202724353 U CN202724353 U CN 202724353U
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CN
China
Prior art keywords
liquid
dropping funnel
dropping
drip chamber
joint sleeve
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN201220426757.3U
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Chinese (zh)
Inventor
邹小龙
邹绍俊
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SHANGHAI BAODAO MEDICAL EQUIPMENT CO Ltd
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SHANGHAI BAODAO MEDICAL EQUIPMENT CO Ltd
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Priority to CN201220426757.3U priority Critical patent/CN202724353U/en
Application granted granted Critical
Publication of CN202724353U publication Critical patent/CN202724353U/en
Anticipated expiration legal-status Critical
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  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The utility model discloses a liquid dropping mechanism of a residual-free drip chamber of an infusion apparatus. The liquid dropping mechanism comprises the drip chamber and a drip chamber cover of an opening of the drip chamber. An upper connecting sleeve is arranged in the center of the drip chamber cover, and a liquid dropping pipette penetrates through the upper connecting sleeve and is closely fixed to the upper connecting sleeve; a lower connecting sleeve is arranged at the bottom of the drip chamber, an exhaust column penetrates through the lower connecting sleeve, the portion, which is positioned in a drip chamber body, of the exhaust column is an exhaust portion with a plurality of liquid inlets, and the portion, which is positioned outside the drip chamber body, of the exhaust column is a connecting portion; and the upper end of the liquid dropping pipette is open, the lower end of the liquid dropping pipette is closed, and a plurality of liquid dropping openings are arranged on a side wall of the liquid dropping pipette below the drip chamber cover. The liquid dropping mechanism has the advantages that liquid medicine is prevented from directly dropping on the exhaust column by changing the dropping direction of the liquid medicine, so that liquid films formed on the liquid inlets under the action of the surface tension of liquid are prevented from being damaged; owning to the unique design of the liquid inlets, the problem of insufficient dead weight of liquid medicine when the quantity of the liquid medicine in an existing drip chamber is low is solved, and the inside of the drip chamber is ingeniously free of residual liquid medicine.

Description

The liquid dropping mechanism of noresidue liquid infusion unit titrimeter
Technical field
This utility model relates to the components mechanism that a kind of transfusion device drips kettle, is specially a kind of liquid dropping mechanism of noresidue liquid infusion unit titrimeter, belongs to technical field of medical instruments.
Background technology
Transfusion device is one of hospital's medical apparatus and instruments commonly used, is mainly used in the gravity type venous transfusion.Generally be to be connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle assembly, bottle plug puncture unit, air inlet pipe air filter.Under atmospheric effect, the liquid runs down infusion tube flows into and drips kettle in the bottle, and when dripping the kettle water column pressure greater than venous pressure, the liquid runs down flexible pipe in the bottle flows into passages through which vital energy circulates.Dropper component comprises that dropping funnel forms, and the top of dropping funnel is provided with the dropping funnel lid, and dropping funnel covers and is provided with joint sleeve, and one or two logical minim pipette runs through joint sleeve connection dropping funnel and the dropping funnel lid is outside; The dropping funnel bottom also is provided with joint sleeve, and an aerofluxus post runs through joint sleeve, and the part in dropping funnel is the exhaust portion that sidewall has inlet, and the part outside dropping funnel is connecting portion, and connecting portion is communicated with the passages through which vital energy circulates of human body by infusion tube, passages through which vital energy circulates pin.The main points of this dropper component design are the inlet of aerofluxus post, because inlet is finedraw, the medicinal liquid in the dropping funnel has stoped air to enter human body along medicinal liquid because the capillary existence of liquid has formed thin film at inlet.
But, there are some defectives in this kettle assembly: 1, two logical minim pipettes are arranged at the central authorities of dropping funnel lid, and the aerofluxus post also is the central authorities of dropping funnel bottom, therefore, and in the dropping liquid process, medicinal liquid directly is dropped on the aerofluxus post, because the cause of gravity, the medicinal liquid speed of drippage can form small drop, directly pass inlet, make the part air enter infusion tube with medicinal liquid; 2, the design of the inlet of aerofluxus post is unreasonable, causes playing the effect from aerofluxus and noresidue liquid.
The utility model content
The purpose of this utility model is for a kind of liquid dropping mechanism of noresidue liquid infusion unit titrimeter is provided, to solve the problems referred to above of prior art.
The purpose of this utility model can be achieved through the following technical solutions.
A kind of liquid dropping mechanism of noresidue liquid infusion unit titrimeter comprises that the dropping funnel of dropping funnel and dropping funnel oral area covers, and described dropping funnel covers central authorities and is provided with upper joint sleeve section, and a minim pipette runs through upper joint sleeve section and closely fixing with upper joint sleeve section; The bottom of dropping funnel is provided with lower joint sleeve section, and an aerofluxus post runs through lower joint sleeve section, and the part of aerofluxus post in the dropping funnel main body is the exhaust portion with some inlets, and the part outside the dropping funnel main body is connecting portion; The upper end open that described minim pipette is, lower end closed, and the minim pipette sidewall below the dropping funnel lid is provided with some liquid droping ports.
Further, the part of minim pipette in dropping funnel evenly is branched into several separatory droppers of inclination, and each separatory dropper end is provided with liquid droping port; Such as three-port structure.Make medicinal liquid under drip in the process, the separatory dropper makes medicinal liquid dirty along the dropping funnel inwall, can directly not drip on the aerofluxus post fluid film that forms to prevent from destroying the inlet medical liquid surface tension.
Further, the bottom of described inlet is concordant with the bottom of dropping funnel.
Further, described inlet is inverted trapezoidal.So that when the medicinal liquid of dropping funnel was less, the medicinal liquid deadweight formed rapidly drop downstream to the bottom, and then smoothly transfusion.
To drip dripping of kettle heavy not enough in order to solve, and lower slow-footed problem of medicinal liquid covered or sidewall is provided with an air filter with air film at the dropping funnel of dropping funnel.Such design can be so that the cavity that drips in the kettle communicates with atmosphere, not can because of medicinal liquid under drip in the process, drip the air pressure step-down in the kettle and cause a speed excessively slow.
In order to guarantee the health of air film, also dispose safety head at air filter, open during use.
Technical solution of the present invention has following beneficial effect:
1, passes through medicinal liquid when dripping dropping funnel, to change the drippage direction of medicinal liquid, avoid directly being dropped on the aerofluxus post, thereby avoided on inlet because of medicinal liquid collision formation fine droplet, direct problem by inlet; Thereby really realized the self-purging function of aerofluxus post;
2, by the unique design of inlet, solved when the dropping funnel medicinal liquid is less, the not enough problem of medicinal liquid deadweight, thus make very dexterously noresidue medicinal liquid in the dropping funnel;
3, the air filter of design can balance drip the interior air pressure of kettle, adjusts and drips speed.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of another kind of embodiment of the present utility model;
Among the figure: 1, dropping funnel 2, dropping funnel lid 3, upper joint sleeve section 4, lower joint sleeve section 5, minim pipette 6, liquid droping port 7, aerofluxus post 8, inlet 9, air filter.
The specific embodiment
Further set forth construction features of the present utility model below by specific embodiment and accompanying drawing.
The liquid dropping mechanism of a kind of noresidue liquid infusion unit titrimeter as shown in Figure 1 comprises that the dropping funnel lid 2 of dropping funnel 1 and dropping funnel 1 oral area, described dropping funnel cover 2 central authorities and be provided with upper joint sleeve section 3, one minim pipettes 5 and run through upper joint sleeve section 3 and closely fixing with upper joint sleeve section 3; The bottom of dropping funnel 1 is provided with lower joint sleeve section 4, one aerofluxus posts 7 and runs through lower joint sleeve section 4, and the part of aerofluxus post 7 in the dropping funnel main body is the exhaust portion with some inlets 8, and the part outside the dropping funnel main body is connecting portion; The upper end open that described minim pipette 5 is, lower end closed, and minim pipette 5 sidewalls below dropping funnel lid 2 are provided with some liquid droping ports 6.
As shown in Figure 2, further, the part of minim pipette 5 in dropping funnel 1 evenly is branched into several separatory droppers of inclination, and each separatory dropper end is provided with liquid droping port 6; Such as three-port structure.Make medicinal liquid under drip in the process, the separatory dropper makes medicinal liquid dirty along the dropping funnel inwall, can directly not drip on the aerofluxus post fluid film that forms to prevent from destroying the inlet medical liquid surface tension.
Further, the bottom of described inlet 8 is concordant with the bottom of dropping funnel.Further, described inlet 8 is inverted trapezoidal.So that when the medicinal liquid of dropping funnel 1 was less, the medicinal liquid deadweight formed rapidly drop downstream to the bottom, and then smoothly transfusion.
To drip dripping of kettle heavy not enough in order to solve, lower slow-footed problem of medicinal liquid, the dropping funnel of dropping funnel cover 2 or sidewall be provided with an air filter 9 with air film.Such design can be so that the cavity that drips in the kettle communicates with atmosphere, not can because of medicinal liquid under drip in the process, drip the air pressure step-down in the kettle and cause a speed excessively slow.
In order to guarantee the health of air film, also dispose safety head at air filter 9, open during use.

Claims (6)

1. the liquid dropping mechanism of a noresidue liquid infusion unit titrimeter comprises that the dropping funnel of dropping funnel and dropping funnel oral area covers, and described dropping funnel covers central authorities and is provided with upper joint sleeve section, and a minim pipette runs through upper joint sleeve section and closely fixing with upper joint sleeve section; The bottom of dropping funnel is provided with lower joint sleeve section, and an aerofluxus post runs through lower joint sleeve section, and the part of aerofluxus post in the dropping funnel main body is the exhaust portion with some inlets, and the part outside the dropping funnel main body is connecting portion; It is characterized in that: the upper end open that described minim pipette is, lower end closed, and the minim pipette sidewall below the dropping funnel lid is provided with some liquid droping ports.
2. the liquid dropping mechanism of noresidue liquid infusion unit titrimeter according to claim 1, it is characterized in that: the part of minim pipette in dropping funnel evenly is branched into several separatory droppers of inclination, and each separatory dropper end is provided with liquid droping port.
3. the liquid dropping mechanism of noresidue liquid infusion unit titrimeter according to claim 1 and 2, it is characterized in that: the bottom of described inlet is concordant with the bottom of dropping funnel.
4. the liquid dropping mechanism of noresidue liquid infusion unit titrimeter according to claim 1 and 2, it is characterized in that: described inlet is inverted trapezoidal.
5. the liquid dropping mechanism of noresidue liquid infusion unit titrimeter according to claim 1 is characterized in that: dropping funnel lid or sidewall at dropping funnel are provided with an air filter with air film.
6. the liquid dropping mechanism of noresidue liquid infusion unit titrimeter according to claim 1 is characterized in that: dispose safety head at air filter.
CN201220426757.3U 2012-08-25 2012-08-25 Liquid dropping mechanism of residual-free drip chamber of infusion apparatus Expired - Lifetime CN202724353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220426757.3U CN202724353U (en) 2012-08-25 2012-08-25 Liquid dropping mechanism of residual-free drip chamber of infusion apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220426757.3U CN202724353U (en) 2012-08-25 2012-08-25 Liquid dropping mechanism of residual-free drip chamber of infusion apparatus

Publications (1)

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CN202724353U true CN202724353U (en) 2013-02-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420366A (en) * 2019-09-04 2019-11-08 福建骏格科技有限公司 A kind of device for monitoring transfusion device flow velocity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420366A (en) * 2019-09-04 2019-11-08 福建骏格科技有限公司 A kind of device for monitoring transfusion device flow velocity

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Granted publication date: 20130213