CN205549150U - Disposable self -bleeding ends liquid secondary filter transfusion system - Google Patents
Disposable self -bleeding ends liquid secondary filter transfusion system Download PDFInfo
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- CN205549150U CN205549150U CN201521080046.5U CN201521080046U CN205549150U CN 205549150 U CN205549150 U CN 205549150U CN 201521080046 U CN201521080046 U CN 201521080046U CN 205549150 U CN205549150 U CN 205549150U
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- feed liquor
- filter
- liquid
- dropping funnel
- exhaust
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Abstract
The utility model discloses a disposable self -bleeding ends liquid secondary filter transfusion system, it comprises bottle stopper puncture device, feed liquor pipe, secondary filter dropping funnel, drain pipe, flow regulator, luer connector, venous transfusion needle, intake pipe, the feed liquor storehouse of this transfusion system filter under the effect of feed liquor air discharge duct can be returned the air in feed liquor storehouse and arrange to the dropping funnel in, can not overstock the air in the feed liquor storehouse, and prior art exhaust mode be the exhaust of filter outer wall portion, and this transfusion system is arranged for the air returns to the dropping funnel in after locate to exhaust in dropping funnel wall below, the inlet of current filter is less, and the aperture is 1 -2mm, and the feed liquor hole in this transfusion system filter feed liquor storehouse is 3 -6mm, then through exhaust apparatus on the dropping funnel wall can be better the spacing exhaust of realization and under liquid gravitational pressure self -bleeding outside the dropping funnel, the secondary filter membrane not only can prevent the medicine melt cinder more than the 5um in the feed liquor storehouse, prevents phlebitis, avoids appearing the infusion method, and the infusion can also end liquid by the effectual filtration membrane of utilization when accomplishing.
Description
Technical field
:
The utility model relates to a kind of single use and is automatically vented only liquid precision filter infusion set.
Background technology
:
At present, fluid transport therapy is clinical the most frequently used a kind of methods for the treatment of, although the common disposable transfusion device of tradition solves the problem mutually infected between patient, but still having some defects, one, owing to common disposable transfusion device does not has self-closed function, therefore when exchanging infusion bottle or injecting liquid drug completes, easily admit air in human body, the most then bring the most unnecessary trouble to medical personnel, heavy then cause great malpractice；Its two, the filter membrane fenestra aperture that common disposable filtering transfusion device uses is at more than 10um, and the blood vessel pore of human body is 7-9um, easily causes the blocking of human vas capillary, produces phlebitis, occur infusion reaction during transfusion；The most on the market, precision filter infusion set miscellaneous is had to solve above-mentioned difficulties on patent document；The filter membrane that the filter membrane of accurate filter uses at present be fenestra aperture be the hydrophilic nanoporous filter membrane of 5um or below 5um, less than human vein pore, infusion reaction and can preferably prevent phlebitis during transfusion, will not be produced；nullBelow the dropping funnel of transfusion device is the most all located at by patent document and its filter of precision transfusion filter on the market in front，Filter and dropping funnel maintain a certain distance，Need during exhaust to be exhausted this segment distance，Therefore，One piece of hydrophobic membrane it is designed with for being vented on the lid in the feed liquor storehouse of current filter，The distance height with intravenous needle of filter is the basis of a good accurate filter，The micropore filtering film of accurate filter is owing to only having 5um or below 5um in aperture，There is only liquid function，When one bottle liquid medicine has been infused，Only liquid is carried out to film location，Liquid is the dirtiest，Air will not enter human body，Allow patient will not produce Psychological phobia，The only liquid height of a good precision filter infusion set should reach 1.6 meters or more than，The only liquid height of precision filter infusion set the most on the market is from 30cm to 1、60 meters，The inlet of prior art filter is relatively small，Aperture typically only has 1-2mm，Exhaust mode is that the outer wall (both strainer covers) in feed liquor storehouse is provided with exhaust membrane，Air is vented from the outer wall of feed liquor storehouse.
Summary of the invention
:
The purpose of this utility model is to provide a kind of single use and is automatically vented only liquid precision filter infusion set, and transfusion device is vented when starting to infuse automatically, and transfusion device is totally lost after liquid can be at film location with automatic liquid-stopping, and air can not enter human body the backflow of anti-Hemostatic Oral Liquid.
The utility model adopts the following technical scheme that and realizes its goal of the invention: a kind of single use is vented only liquid precision filter infusion set automatically, and it is made up of bottle plug puncture unit 1, feed tube 2, secondary filter dropping funnel 3, drain pipe 4, flow regulator 5, female Luer 6, intravenous infusion needle 7, air inlet pipe 8；Bottle plug puncture unit 1 is connected with intravenous infusion needle 7 by feed tube 2, secondary filter dropping funnel 3, drain pipe 4, flow regulator 5, female Luer 6；Air inlet pipe 8 is connected with medicine bottle；Wherein secondary filter dropping funnel 3 is made up of dropping funnel 3-1, accurate filter 3-2, feed liquor exhaust hollow tube 3-3；Described dropping funnel 3-1 is made up of bucket cover 3-1-1, bucket body 3-1-2, the lower section of described bucket body 3-1-2 wall is provided with exhaust outlet 3-1-3, the outside of described exhaust outlet 3-1-3 is provided with microporous hydrophobic membrane 3-1-5, the outside of microporous hydrophobic membrane 3-1-5 is provided with seal 3-1-4 and seals it, and the bottom 3-1-4-1 of described seal 3-1-4 is provided with seal steam vent 3-1-4-2.
The utility model can be with automatic liquid-stopping in order to realize that transfusion device is totally lost after liquid, air can not enter human body the function of anti-Hemostatic Oral Liquid backflow, it is provided with accurate filter 3-2, it is made up of strainer cover 3-2-1 and filter base 3-2-5, and described strainer cover (3-2-1) design is in the lower section of bucket body (3-1-2)；The centre of described strainer cover 3-2-1 and filter base 3-2-5 is provided with being respectively provided on two sides with feed liquor storehouse 3-2-2 and going out liquid storehouse 3-2-4 of secondary filter film 3-2-3, described secondary filter film 3-2-3；Described going out to be provided with drain pipe road 3-2-5-1 outside the 3-2-4 of liquid storehouse, the upper lateral part of described strainer cover 3-2-1 is provided with feed tube 3-2-1-2, and the bottom of described feed tube 3-2-1-2 is provided with limiting section 3-2-1-1.
The utility model is in order to realize the function of air in liquid enters accurate filter 3-2 smoothly and discharges dropping funnel, it is provided with feed liquor exhaust hollow tube 3-3, and place be provided with a plurality of lead channel 3-3-2 at the wall of feed liquor exhaust hollow tube 3-3, every lead channel 3-3-2 top is provided with steam vent 3-3-1；Lead channel 3-3-2 communicates with feed liquor exhaust hollow mouth of pipe 3-3-4.
Struggle against described in the utility model body 3-1-2 section below and strainer cover 3-2-1 is formed in one design.
The utility model in order to realize discharging smoothly the function of air in dropping funnel, the highest plan-position of described lead channel 3-3-2 less than or not higher than microporous hydrophobic membrane 3-1-5 exceed gas position most, or the two position is parallel.
The utility model most exceeds gas position, the function of impact exhaust, the liquid total flow of the described a plurality of lead channel 3-3-2 flow less than feed liquor exhaust hollow mouth of pipe 3-3-4 to realize preventing the high liquid level (HLL) of lead channel 3-3-2 higher than microporous hydrophobic membrane 3-1-5；Described bucket cover 3-1-1 is provided with feed liquor mouth of pipe 3-1-1-2, and the flow of feed liquor mouth of pipe 3-1-1-2 is less than the liquid total flow of a plurality of lead channel 3-3-2.
nullMethod of work of the present utility model is for being first shut off flow regulator 5，Bottle plug puncture unit 1 is inserted bottle stopper，It is inserted simultaneously into air inlet pipe 8，Liquid starts to fall at the top of feed liquor exhaust hollow tube 3-3 in dropping funnel 3-1 along feed tube 2，In dropping funnel, air drains into outside dropping funnel from exhaust outlet 3-1-3，Medicine drips and encloses to dropping funnel along feed liquor exhaust hollow tube 3-3 wall after breaing up，Liquid is through lead channel 3-3-2、In feed liquor exhaust hollow mouth of pipe 3-3-4 enters feed liquor storehouse 3-2-2, liquid level slowly goes up，Air in the 3-2-2 of feed liquor storehouse is vented the hollow mouth of pipe through feed liquor simultaneously、Steam vent 3-3-1 drains into outside dropping funnel from air exhaust port 3-1-3 in being vented back to dropping funnel 3-1，Liquid level slowly go up the extreme higher position to microporous hydrophobic membrane 3-1-5 time，Liquid is automatically stopped rise，It is then turned on flow regulator 5 liquid the dirtiest，Liquid enters out liquid storehouse 3-2-4 through secondary filter film 3-2-3，Liquid is through drain pipe road 3-2-5-1、Drain pipe 4 flows out to intravenous infusion needle 7 direction，Air is drained into outside syringe needle to intravenous infusion needle 7 simultaneously，Close flow regulator 5，Intravenous infusion needle 7 is punctured to human vas，Turn-on flow rate adjuster 5 starts normal infusion，When the liquid in medicinal liquid bottle is totally lost，When liquid plane drops to bottom filter feed liquor storehouse，Start automatic liquid-stopping，Liquid no longer declines，Air will not enter human vas.
Owing to have employed above technical scheme, the utility model preferably achieves its goal of the invention, this single use is automatically vented precision filter infusion set feed liquor storehouse of filter under feed liquor air discharge duct controls the effect of fluid flow and can be preferably vented back in dropping funnel by the air in feed liquor storehouse, air will not be overstock in feed liquor storehouse, compared to the prior art: prior art exhaust mode is the exhaust of filter outside wall portions, the utility model is place's exhaust below dropping funnel wall after air is vented back in dropping funnel；Comparing with present technology: the inlet of the filter of prior art is less, aperture is 1-2mm, and the inlet opening in the utility model filter feed liquor storehouse is 3-6mm；Then can preferably realize spacing exhaust by exhaust apparatus on dropping funnel wall and automatically be vented to outside dropping funnel under liquid gravity pressure；Secondary filter film is possible not only to stop in feed liquor storehouse the liquid slag of more than 5um, prevents phlebitis, it is to avoid infusion method occur, can also effectively utilize filter membrane to carry out only liquid when infuse, and air will not intravasation, it is to avoid the generation of generation malpractice.
Accompanying drawing illustrates:
Accompanying drawing 1 is overall structure schematic diagram of the present utility model.
Accompanying drawing 2 is the cross-section structure synthesis schematic diagram of the utility model mark 3.
Accompanying drawing 3 is the cross-sectional view of the utility model mark 3-1.
Accompanying drawing 4 is the structural representation of the utility model mark 3-1-4.
Accompanying drawing 5 is the structural representation of the utility model mark 3-2.
Accompanying drawing 6 is the synthesis schematic section schematic diagram of the utility model mark 3-1-2 Yu 3-2-1.
Accompanying drawing 7 is the synthesis section signal explosive view of the utility model mark 3-1-2 Yu 3-2.
Accompanying drawing 8 is the structural profile schematic diagram of the utility model mark 3-3.
Accompanying drawing 9 is the structural upright schematic diagram of the utility model mark 3-3.
Accompanying drawing 10 is the structural upright schematic diagram of the utility model mark 3.
Accompanying drawing 11 is that the structure of the utility model mark 3 shows three-dimensional signal explosive view.
Accompanying drawing 12 is the method for work mark schematic diagram of the utility model mark.
Description of reference numerals is shown in specification last page form.
Detailed description of the invention:
Below in conjunction with the accompanying drawings summary of the invention is described further:
Embodiment
1
:
From summary of the invention, a kind of single use is vented only liquid precision filter infusion set automatically, and it is made up of bottle plug puncture unit 1, feed tube 2, secondary filter dropping funnel 3, drain pipe 4, flow regulator 5, female Luer 6, intravenous infusion needle 7, air inlet pipe 8；Bottle plug puncture unit 1 is connected with intravenous infusion needle 7 by feed tube 2, secondary filter dropping funnel 3, drain pipe 4, flow regulator 5, female Luer 6；Air inlet pipe 8 is connected with medicine bottle；Wherein secondary filter dropping funnel 3 is made up of dropping funnel 3-1, accurate filter 3-2, feed liquor exhaust hollow tube 3-3；Described dropping funnel 3-1 is made up of bucket cover 3-1-1, bucket body 3-1-2, the lower section of described bucket body 3-1-2 wall is provided with exhaust outlet 3-1-3, the outside of described exhaust outlet 3-1-3 is provided with microporous hydrophobic membrane 3-1-5, the outside of microporous hydrophobic membrane 3-1-5 is provided with seal 3-1-4 and seals it, and the bottom 3-1-4-1 of described seal 3-1-4 is provided with seal steam vent 3-1-4-2.
Bottle plug puncture unit 1 described in the utility model, feed tube 2, secondary filter dropping funnel 3, drain pipe 4, flow regulator 5, female Luer 6, intravenous infusion needle 7, air inlet pipe 8 are the conventional arrangement components of transfusion device.
Secondary filter dropping funnel 3 described in the utility model is the security function feature of this transfusion device, and described security function feature is to be internally provided with when in infusion bottle, liquid is totally lost to control liquid or air can not enter human body can the safe control of anti-Hemostatic Oral Liquid backflow.
Dropping funnel 3-1 of the present invention refers to: the main composition part of secondary filter dropping funnel 3；It is made up of bucket cover 3-1-1 and bucket body 3-1-2, carrying liquid when its effect is transfusion；As shown in Figure 3, its design attitude is as marked shown in 3-1 in accompanying drawing 2 for its cross-section structure.
Exhaust outlet 3-1-3 described in the utility model refers to: the exhaust outlet of the lower section of bucket body 3-1-2 wall；Its effect is the outlet outside air discharges dropping funnel in dropping funnel；Its design attitude is as marked shown in 3-1-3 in accompanying drawing 3.
Seal 3-1-4 described in the utility model refers to: the seal outside microporous hydrophobic membrane 3-1-5；The bottom 3-1-4-1 of seal 3-1-4 is provided with seal steam vent 3-1-4-2, and its effect is to seal microporous hydrophobic membrane 3-1-5；As shown in Figure 4, its design attitude is as marked shown in 3-1-4 in accompanying drawing 3 for its structure.
Bottom 3-1-4-1 described in the utility model refers to: the bottom of seal 3-1-4；Its effect is the structure division of seal 3-1-4, seals microporous hydrophobic membrane 3-1-5；Its design attitude is as marked shown in 3-1-4-1 in accompanying drawing 3.
Seal steam vent 3-1-4-2 described in the utility model refers to: the steam vent bottom seal 3-1-4；Its effect is to discharge air in dropping funnel；Its design attitude is as marked shown in 3-1-4-2 in accompanying drawing 3.
Embodiment
2
:
The utility model can be with automatic liquid-stopping in order to realize that transfusion device is totally lost after liquid, air can not enter human body the function of anti-Hemostatic Oral Liquid backflow, it is provided with accurate filter 3-2, it is made up of strainer cover 3-2-1 and filter base 3-2-5, and described strainer cover (3-2-1) design is in the lower section of bucket body (3-1-2)；The centre of described strainer cover 3-2-1 and filter base 3-2-5 is provided with being respectively provided on two sides with feed liquor storehouse 3-2-2 and going out liquid storehouse 3-2-4 of secondary filter film 3-2-3, described secondary filter film 3-2-3；Described going out to be provided with drain pipe road 3-2-5-1 outside the 3-2-4 of liquid storehouse, the upper lateral part of described strainer cover 3-2-1 is provided with feed tube 3-2-1-2, and the bottom of described feed tube 3-2-1-2 is provided with limiting section 3-2-1-1.
Accurate filter 3-2 described in the utility model refers to: accurate filter；Its effect is that liquid can control liquid when being totally lost or air can not enter human body can the backflow of anti-Hemostatic Oral Liquid；As shown in Figure 5, its design attitude is as marked shown in 3-2 in accompanying drawing 2 for its cross-section structure.
Feed liquor storehouse 3-2-2 described in the utility model refers to: the cavity formed between strainer cover 3-2-1 and secondary filter film 3-2-3；Its effect is when liquid is totally lost, and the liquid of feed liquor storehouse 3-2-2 enters out liquid storehouse 3-2-4, secondary filter film 3-2-3 and prevents air from entering out liquid storehouse 3-2-4, goes out liquid storehouse 3-2-4 and reaches automatic liquid-stopping effect；Its design attitude is as marked shown in 3-2-3 in accompanying drawing 5.
Secondary filter film 3-2-3 described in the utility model refers to: Special Film material, and its effect is to prevent air from entering drain pipe road 3-2-5-1；Its design attitude is as marked shown in 3-2-3 in accompanying drawing 5.
The liquid storehouse 3-2-4 of going out described in the utility model refers to: the cavity formed between secondary filter film 3-2-3 and drain pipe；Its effect is when liquid is totally lost, and the liquid of feed liquor storehouse 3-2-2 enters out liquid storehouse 3-2-4, is affected by accurate filter membrane 3-2-3 isolation air, goes out liquid storehouse 3-2-4 and reach automatic liquid-stopping effect；Its design attitude is as marked shown in 3-2-4 in accompanying drawing 5.
Filter base 3-2-5 described in the utility model refers to: filter base；Filter base 3-2-5 forms drain pipe road 3-2-5-1 with drain pipe, is provided with drain pipe mouth of pipe 3-2-5-2 below drain pipe road 3-2-5-1, and its effect is the base of accurate filter 3-2；Its design attitude is as marked shown in 3-2-5 in accompanying drawing 5.
Drain pipe road 3-2-5-1 described in the utility model refers to: go out the drain pipe road outside the 3-2-4 of liquid storehouse；Its effect is output liquid；Its design attitude is as marked shown in 3-2-5-1 in accompanying drawing 5.
Drain pipe mouth of pipe 3-2-5-2 described in the utility model refers to: the drain pipe mouth of pipe of 3-2-5-1 bottom, drain pipe road；Its effect is to be connected with drain pipe 4, exports liquid；Its design attitude is as marked shown in 3-2-5-2 in accompanying drawing 5.
Stop bit bar 3-2-5-3 described in the utility model refers to: the stop bit bar being located in filter base 3-2-5；Its effect is the swing position of secondary filter film 3-2-3；Its design attitude is as marked shown in 3-2-5-3 in accompanying drawing 11.
Embodiment
3
:
The utility model is in order to realize the function of air in liquid enters accurate filter 3-2 smoothly and discharges dropping funnel, it is provided with feed liquor exhaust hollow tube 3-3, and place be provided with a plurality of lead channel 3-3-2 at the wall of feed liquor exhaust hollow tube 3-3, every lead channel 3-3-2 top is provided with steam vent 3-3-1；Lead channel 3-3-2 communicates with feed liquor exhaust hollow mouth of pipe 3-3-4.
Feed liquor described in the utility model exhaust hollow tube 3-3 refers to: the feed liquor exhaust hollow tube being located in dropping funnel 3-1；And it being provided with steam vent 3-3-1, lead channel 3-3-2, slope 3-3-3, feed liquor exhaust hollow mouth of pipe 3-3-4 thereon, its effect is to be connected with drain pipe 4, exports liquid；As shown in Figure 8, its design attitude is as marked shown in 3-3 in accompanying drawing 2 for its cross-section structure.
Steam vent 3-3-1 described in the utility model refers to: be located at the steam vent on lead channel 3-3-2 top, and its effect is to discharge the air in feed liquor exhaust hollow tube 3-3；Its design attitude is as marked shown in 3-3-1 in accompanying drawing 8.
Slope 3-3-3 described in the utility model refers to: feed liquor exhaust hollow tube 3-3 bottom design sloping shape, and its effect is to agree with limiting section 3-2-1-1, limits feed liquor exhaust hollow tube 3-3 and is arranged on the position on accurate filter 3-2；Its design attitude is as marked shown in 3-3-3 in accompanying drawing 8
Embodiment
4
:
The body 3-1-2 section below that struggles against described in the utility model and strainer cover 3-2-1 are that master-plan uses mould one-body molded.
Bucket body 3-1-2 described in the utility model refers to: the bucket body of secondary filter dropping funnel 3；The lower section of bucket body 3-1-2 wall is provided with exhaust outlet 3-1-3, and the outside of exhaust outlet 3-1-3 is provided with microporous hydrophobic membrane 3-1-5, and the outside of microporous hydrophobic membrane 3-1-5 is provided with seal 3-1-4 and seals it, carrying liquid when its effect is transfusion；Its design attitude is as marked shown in 3-1-2 in accompanying drawing 3.
Strainer cover 3-2-1 described in the utility model refers to: strainer cover；The upper lateral part of strainer cover 3-2-1 is provided with feed tube 3-2-1-2, and the bottom of feed tube 3-2-1-2 is provided with limiting section 3-2-1-1, its effect be with bucket body 3-1-2 be master-plan use mould one-body molded, input liquid；Its design attitude is as marked shown in 3-2-1 in accompanying drawing 5.
Limiting section 3-2-1-1 described in the utility model refers to: limiting section；Its effect is that limiting section 3-2-1-1 and slope 3-3-3 agrees with installation, limits the installation site of dropping funnel 3-1 and accurate filter 3-2；Its design attitude is as marked shown in 3-2-1-1 in accompanying drawing 5.
Feed tube 3-2-1-2 described in the utility model refers to: the feed tube on strainer cover；Its effect is to make liquid enter accurate filter 3-2；Its design attitude is as marked shown in 3-2-1-2 in accompanying drawing 5.
Embodiment
5
:
The utility model in order to realize discharging smoothly the function of air in dropping funnel, the highest plan-position of described lead channel 3-3-2 less than or not higher than microporous hydrophobic membrane 3-1-5 exceed gas position most, or the two position is parallel.
Lead channel 3-3-2 described in the utility model refers to: be located at the lead channel that feed liquor exhaust hollow tube 3-3 wall encloses, and its effect is to control liquid to enter the flow of feed liquor exhaust hollow tube 3-3；Its design attitude is as marked shown in 3-3-2 in accompanying drawing 8.
Microporous hydrophobic membrane 3-1-5 described in the utility model refers to: microporous hydrophobic membrane；Its effect is to make air separate from liquid, discharges air；Its design attitude is as marked shown in 3-1-5 in accompanying drawing 3.
Embodiment
6
:
The utility model most exceeds gas position, the function of impact exhaust, the liquid total flow of the described a plurality of lead channel 3-3-2 flow less than feed liquor exhaust hollow mouth of pipe 3-3-4 to realize preventing the high liquid level (HLL) of lead channel 3-3-2 higher than microporous hydrophobic membrane 3-1-5；Described bucket cover 3-1-1 is provided with feed liquor mouth of pipe 3-1-1-2, and the flow of feed liquor mouth of pipe 3-1-1-2 is less than the liquid total flow of a plurality of lead channel 3-3-2.
Bucket cover 3-1-1 described in the utility model refers to: the bucket cover of secondary filter dropping funnel 3；And on bucket cover 3-1-1, it is provided with dosing mouth 3-1-1-1, feed liquor mouth of pipe 3-1-1-2；Dosing when liquid enters dropping funnel and needs when its effect is transfusion；As shown in Figure 3, its design attitude is as marked shown in 3-1-1 in accompanying drawing 3 for its cross-section structure.
Dosing mouth 3-1-1-1 described in the utility model refers to: be located at the dosing mouth on bucket cover 3-1-1；Its effect is to facilitate whenever necessary to enter dropping funnel to patient's dosing；Its design attitude is as marked shown in 3-1-1-1 in accompanying drawing 3.
Feed liquor mouth of pipe 3-1-1-2 described in the utility model refers to: the feed liquor mouth of pipe being located on bucket cover 3-1-1；Its effect is the flexible pipe import that liquid enters dropping funnel；Its design attitude is as marked shown in 3-1-1-2 in accompanying drawing 3.
Feed liquor described in the utility model exhaust hollow mouth of pipe 3-3-4 refers to: the feed liquor in described feed liquor exhaust hollow mouth of pipe 3-3-4 refers to the feed liquor mouth of pipe of filter, the aperture of the described feed liquor mouth of pipe be 3-6mm or more than, the outlet of the described feed liquor mouth of pipe the most also dropping funnel, described exhaust refers to the outlet of filter feed liquor storehouse air；Described hollow refers to that hollow tube, the described hollow mouth of pipe refer to the mouth of pipe of hollow tube, and its effect is that the feed tube 3-2-1-2 with accurate filter 3-2 is connected pipeline, carries liquid；Its design attitude is as marked shown in 3-3-4 in accompanying drawing 8.
Claims (4)
1. single use is vented an only liquid precision filter infusion set automatically, is made up of bottle plug puncture unit (1), feed tube (2), secondary filter dropping funnel (3), drain pipe (4), flow regulator (5), female Luer (6), intravenous infusion needle (7), air inlet pipe (8)；It is characterized in that secondary filter dropping funnel (3) is made up of dropping funnel (3-1), accurate filter (3-2), feed liquor exhaust hollow tube (3-3)；Described dropping funnel (3-1) is made up of bucket cover (3-1-1), bucket body (3-1-2), the lower section of described bucket body (3-1-2) wall is provided with exhaust outlet (3-1-3), the outside of described exhaust outlet (3-1-3) is provided with microporous hydrophobic membrane (3-1-5), the outside of microporous hydrophobic membrane (3-1-5) is provided with seal (3-1-4) and seals it, and the bottom (3-1-4-1) of described seal (3-1-4) is provided with steam vent (3-1-4-2)；Described accurate filter (3-2) is made up of strainer cover (3-2-1) and filter base (3-2-5), and described strainer cover (3-2-1) design is in the lower section of bucket body (3-1-2)；The centre of described strainer cover (3-2-1) and filter base (3-2-5) is provided with secondary filter film (3-2-3), being respectively provided on two sides with feed liquor storehouse (3-2-2) and go out liquid storehouse (3-2-4) of described secondary filter film (3-2-3)；Described go out liquid storehouse (3-2-4) outside be provided with drain pipe road (3-2-5-1), the upper lateral part of described strainer cover (3-2-1) is provided with feed tube (3-2-1-2), and the bottom of described feed tube (3-2-1-2) is provided with limiting section (3-2-1-1)；The wall of described feed liquor exhaust hollow tube (3-3) is placed and is provided with a plurality of lead channel (3-3-2), and every lead channel (3-3-2) top is provided with steam vent (3-3-1)；Lead channel (3-3-2) communicates with the feed liquor exhaust hollow mouth of pipe (3-3-4).
A kind of single use the most according to claim 1 is vented only liquid precision filter infusion set automatically, it is characterized in that described bucket body (3-1-2) section below and strainer cover (3-2-1) are formed in one design.
A kind of single use the most according to claim 1 and 2 is vented only liquid precision filter infusion set automatically, it is characterized in that the liquid total flow flow less than the feed liquor exhaust hollow mouth of pipe (3-3-4) of described a plurality of lead channel (3-3-2).
A kind of single use the most according to claim 1 and 2 is vented only liquid precision filter infusion set automatically, it is characterized in that described bucket cover (3-1-1) is provided with the feed liquor mouth of pipe (3-1-1-2), the flow of the feed liquor mouth of pipe (3-1-1-2) is less than the liquid total flow of a plurality of lead channel (3-3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080046.5U CN205549150U (en) | 2015-12-23 | 2015-12-23 | Disposable self -bleeding ends liquid secondary filter transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080046.5U CN205549150U (en) | 2015-12-23 | 2015-12-23 | Disposable self -bleeding ends liquid secondary filter transfusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205549150U true CN205549150U (en) | 2016-09-07 |
Family
ID=56823570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521080046.5U Expired - Fee Related CN205549150U (en) | 2015-12-23 | 2015-12-23 | Disposable self -bleeding ends liquid secondary filter transfusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205549150U (en) |
-
2015
- 2015-12-23 CN CN201521080046.5U patent/CN205549150U/en not_active Expired - Fee Related
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