CN203507223U - Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus - Google Patents
Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus Download PDFInfo
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- CN203507223U CN203507223U CN201320617011.5U CN201320617011U CN203507223U CN 203507223 U CN203507223 U CN 203507223U CN 201320617011 U CN201320617011 U CN 201320617011U CN 203507223 U CN203507223 U CN 203507223U
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- dropping funnel
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Abstract
The utility model discloses a disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus which is composed of a vein needle, a protective cap, an infusion hose, a liquid medicine filter, a flow speed adjustor, a drip cup, a bottle stopper puncture device and an air inlet tube air filter which are connected. A cup cover is arranged on an upper opening of the drip cup, a lower opening of the drip cup is provided with a drip chamber, and an upper catheter connected with the infusion hose is arranged on the cup cover of the drip cup. The drip chamber is composed of a connecting part and a drip chamber part, the connecting part is matched with a drip cup body, is in sleeved connection with the drip cup body and is adhered to the drip cup body, the drip chamber part is in a funnel shape, a circle of step is arranged at the joint of the drip chamber part and the connecting part, and at least three convex edges are arranged on the inner wall of the drip chamber. The convex edges are flush with the upper surface of the step, and a liquid stopping film is welded to the step and the convex edges. An air exhaust column is arranged in the central axis of the drip chamber, and the liquid stopping film is formed by a plurality of polyether sulfone films with different pole diameters in an overlapping mode. The disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus has the advantages that the effective components of medicine are not reduced, and particulate residues in the liquid medicine are effectively filtered.
Description
Technical field
The utility model discloses a kind of transfusion device, be specially a kind of disposable use air separation, automatic liquid-stopping anti-empty transfusion system, belong to technical field of medical instruments.
Background technology
Disposable transfusion device is a kind of common disposable medical treatment consumptive materials process aseptic process, that set up passage between vein and medicinal liquid that is mainly used in venous transfusion.Generally by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit, air inlet pipe air filter, connected to form.Its operation principle is under atmospheric pressure effect, and in bottle, the thinner infusion tube of liquid runs down flows into dropping funnel, and when dropping funnel water column pressure is greater than venous pressure, the liquid runs down flexible pipe in bottle flows into vein.
There is following defect in existing disposable transfusion device:
1, before use, needing to push dropping funnel makes medicinal liquid enter dropping funnel;
2, liquid level in uncontrollable dropping funnel, does not control the flow of infusing;
While 3, infusing, have bubble to enter into the liquid, bubble enters human body with medicinal liquid and easily causes aeroembolism.
4, only liquid film adopts fibrous membrane, easily comes off and adsorbs medicine liquid ingredient.
5, can be residual as various particulate matters such as dust, plastic grain, chips of glass, active carbons in medicinal liquid.These microgranules can cause phlebitis, blood vessel embolism, granuloma and other infusion reactions etc.
Therefore, design that a kind of secondary filter microgranule, air are separated, automatic liquid-stopping anti-empty transfusion system is association area technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is that a kind of disposable use air is separated, automatic liquid-stopping anti-empty transfusion system in order to provide,, to solve the problems referred to above of prior art.
The purpose of this utility model can be achieved through the following technical solutions.
Disposable use air is separated, automatic liquid-stopping anti-empty transfusion system, by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit and air inlet pipe air filter, is connected to form; Described drip that kettle is suitable for readingly provided with pot lid, end opening is dropping funnel, described dripping arranges the upper conduit that connects infusion tube on kettle pot lid; Described dropping funnel consists of connecting portion and dropping funnel portion, and described connecting portion is and drips a kettle and mate and be socketed and bind, and described dropping funnel portion is infundibulate, and a circle step is set in the junction of dropping funnel portion and connecting portion, on the inwall of dropping funnel, be provided be no less than three protruding stupefied; Described is protruding stupefied concordant with step upper surface, and at step and the protruding only liquid film that is welded with on stupefied; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film be multilamellar aperture different poly (ether sulfone) film be formed by stacking.
Another kind of transfusion device, is connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit and air inlet pipe air filter; The end opening of described kettle is provided with the dropping funnel of coupling, and the described kettle that drips arranges " Y " type upper conduit that connects infusion tube; The block water air filter of described " Y " type upper conduit arm for being communicated with outside air; Described dropping funnel consists of connecting portion and dropping funnel portion, and described connecting portion is and drips a kettle and mate and be socketed and bind, and described dropping funnel portion is infundibulate, and a circle step is set in the junction of dropping funnel portion and connecting portion, on the inwall of dropping funnel, be provided be no less than three protruding stupefied; Described is protruding stupefied concordant with step upper surface, and at step and the protruding only liquid film that is welded with on stupefied; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film be multilamellar aperture different poly (ether sulfone) film be formed by stacking.
Described only liquid film is 3-5 layer, and the aperture of every layer is below 15um.Because aperture is different, can there is to the impurity in medicinal liquid good filter effect, size particles can be stoped respectively in different aspects or the position of different pore size, can improve the percent of pass of medicinal liquid.Only liquid film after soaking has the effect that air is cut apart, and next bottle liquid medicine does not have air.
Described welding manner is thermal weld, ultrasonic, high frequency heat seal.
The part of described aerofluxus post in dropping funnel is feed liquor post, and the part outside dropping funnel is the downcomer being connected with infusion tube; On the sidewall of described feed liquor post, be provided with and be no less than two vertical long and narrow lead channel.The width of lead channel is more than 35 decimillimeters.Described place, downcomer oral area inside edge is chamfering.Transfusion catheter is that interpolation type connects.
On described step, be provided with a circle boss, to facilitate bonding air-filtering membrane.The height of described boss is greater than 1mm.
On the described pot lid that drips kettle assembly or sidewall, be provided with the air filter that blocks water being in communication with the outside, the air filter that blocks water is supporting seal cover.The part in dripping kettle of air filter of blocking water is column air vent.
Described dripping on kettle pot lid is also provided with chemical feed pipe, to facilitate dosing when the dropping liquid.
The dropper mouth of described upper conduit and the distance of air vent are more than 1cm, so that observe.
The disposable transfusion device designing by this utility model, with dripping kettle assembly, has following beneficial effect:
1, without extruding dropping funnel, liquid rapid and natural flows into dropping funnel;
2, air vent can be controlled the height of liquid level in dropping funnel, can effectively control infusion flow:
3, the effective bubble in drain of aerofluxus post, has prevented that bubble from entering human body.
4, adopt the compound only liquid film of polyether sulfone, film material does not come off, adsorptivity little (≤3%), is 1/10 of general fibre film, can reduce hardly the effective ingredient of medicine.
5, the microparticle residue in effective filtering liquid medicine, micro particle filtering, except rate reaches more than 95%, has effectively prevented phlebitis, blood vessel embolism, granuloma and other infusion reactions etc. that because of microgranule, cause.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2 is the structural representation of this utility model embodiment 2;
Fig. 3 is the plan structure schematic diagram of dropping funnel of the present utility model;
In figure: 1, drip kettle 2, pot lid 3, dropper mouth 4, dropping funnel 5, aerofluxus post 6, step 7, protruding stupefied 8, boss 9, air vent.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, further set forth construction features of the present utility model:
As depicted in figs. 1 and 2, disposable use air is separated, automatic liquid-stopping anti-empty transfusion system, by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit and air inlet pipe air filter, is connected to form; Described drip that kettle 1 is suitable for readingly provided with pot lid 1, end opening is dropping funnel 3, described dripping arranges the upper conduit that connects infusion tube on kettle pot lid 1; Described dropping funnel 4 consists of connecting portion and dropping funnel portion, described connecting portion is to mate and be socketed and bind with a kettle 1, described dropping funnel portion is infundibulate, and a circle step 6 is set in the junction of dropping funnel portion and connecting portion, is provided with and is no less than three protruding stupefied 7 on the inwall of dropping funnel 4; Described protruding stupefied 7 concordant with step 6 upper surfaces, and on step 6 and protruding stupefied 7, be welded with only liquid film; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film be multilamellar aperture different poly (ether sulfone) film be formed by stacking.
As shown in Figures 2 and 3, another kind of transfusion device, is connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle 1, bottle plug puncture unit and air inlet pipe air filter; The end opening of described kettle is provided with the dropping funnel 3 of coupling, and the described kettle 1 that drips arranges " Y " type upper conduit that connects infusion tube; The block water air filter of described " Y " type upper conduit arm for being communicated with outside air; Described dropping funnel 4 consists of connecting portion and dropping funnel portion, described connecting portion is to mate and be socketed and bind with a kettle, described dropping funnel portion is infundibulate, and a circle step 6 is set in the junction of dropping funnel portion and connecting portion, is provided with and is no less than three protruding stupefied 7 on the inwall of dropping funnel 4; Described protruding stupefied 7 concordant with step 6 upper surfaces, and on step 6 and protruding stupefied 7, be welded with only liquid film; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film be multilamellar aperture different poly (ether sulfone) film be formed by stacking.
Described only liquid film is 3-5 layer, and the aperture of every layer is below 15um.Because aperture is different, can there is to the impurity in medicinal liquid good filter effect, size particles can be stoped respectively in different aspects or the position of different pore size, can improve the percent of pass of medicinal liquid.Only liquid film after soaking has the effect that air is cut apart, and next bottle liquid medicine does not have air.
Described welding manner is thermal weld, ultrasonic, high frequency heat seal.
The part of described aerofluxus post in dropping funnel 4 is feed liquor post, and the part outside dropping funnel 4 is the downcomer being connected with infusion tube; On the sidewall of described feed liquor post, be provided with and be no less than two vertical long and narrow lead channel.The width of lead channel is more than 35 decimillimeters.Described place, downcomer oral area inside edge is chamfering.Transfusion catheter is that interpolation type connects.
On described step, be provided with a circle boss, to facilitate bonding air-filtering membrane.The height of described boss is greater than 1mm.
On the described pot lid 2 that drips kettle 1 or sidewall, be provided with the air filter that blocks water being in communication with the outside, the air filter that blocks water is supporting seal cover.The part in dripping kettle 1 of air filter of blocking water is column air vent 9.
Described dripping on kettle pot lid 2 is also provided with chemical feed pipe, to facilitate dosing when the dropping liquid.
The dropper mouth 3 of described upper conduit is more than 1cm with the distance of air vent 9, so that observe.
Claims (10)
1. disposable use air separation, automatic liquid-stopping anti-empty transfusion system, connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit and air inlet pipe air filter; Described drip that kettle main body is suitable for readingly provided with pot lid, end opening is dropping funnel, described dripping arranges the upper conduit that connects infusion tube on kettle pot lid; It is characterized in that: described dropping funnel consists of connecting portion and dropping funnel portion, described connecting portion is to mate and be socketed and bind with a kettle, described dropping funnel portion is infundibulate, and a circle step is set in the junction of dropping funnel portion and connecting portion, on the inwall of dropping funnel, be provided be no less than three protruding stupefied; Described is protruding stupefied concordant with step upper surface, and at step and the protruding only liquid film that is welded with on stupefied; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film is that the different poly (ether sulfone) film in multilamellar aperture is formed by stacking.
2. disposable use air separation, automatic liquid-stopping anti-empty transfusion system, connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, a kettle, bottle plug puncture unit and air inlet pipe air filter; The end opening of described kettle is provided with the dropping funnel of coupling, and the described kettle that drips arranges " Y " type upper conduit that connects infusion tube; The block water air filter of described " Y " type upper conduit arm for being communicated with outside air; It is characterized in that: described dropping funnel consists of connecting portion and dropping funnel portion, described connecting portion is to mate and be socketed and bind with a kettle, described dropping funnel portion is infundibulate, and a circle step is set in the junction of dropping funnel portion and connecting portion, on the inwall of dropping funnel, be provided be no less than three protruding stupefied; Described is protruding stupefied concordant with step upper surface, and at step and the protruding only liquid film that is welded with on stupefied; On the axis of dropping funnel, be provided with an aerofluxus post; Described only liquid film be multilamellar aperture different poly (ether sulfone) film be formed by stacking.
According to one of any described disposable use air of claim 1 or 2 separate, automatic liquid-stopping anti-empty transfusion system, it is characterized in that: described only liquid film is 3-5 layer, and the aperture of every layer is below 15um.
According to one of any described disposable use air of claim 1 or 2 separate, automatic liquid-stopping anti-empty transfusion system, it is characterized in that: described only liquid film welds by hot weld, mode ultrasonic or high frequency heat seal.
According to one of any disposable use air of claim 1 or 2 separate, automatic liquid-stopping anti-empty transfusion system, it is characterized in that: the part of described aerofluxus post in dropping funnel is feed liquor post, and the part outside dropping funnel is the downcomer being connected with infusion tube; On the sidewall of described feed liquor post, be provided with and be no less than two vertical long and narrow lead channel.
6. disposable use air separation according to claim 5, automatic liquid-stopping anti-empty transfusion system, is characterized in that: the width of lead channel is more than 35 decimillimeters; Described place, downcomer oral area inside edge is chamfering; Transfusion catheter is that interpolation type connects.
According to one of any described disposable use air of claim 1 or 2 separate, automatic liquid-stopping anti-empty transfusion system, it is characterized in that: on described step, be provided with a circle boss, the height of described boss is greater than 1mm.
Disposable use air according to claim 1 separate, automatic liquid-stopping anti-empty transfusion system, it is characterized in that: on the described pot lid that drips kettle assembly or sidewall, be provided with the air filter that blocks water being in communication with the outside, the air filter that blocks water is supporting seal cover; The part in dripping kettle of air filter of blocking water is column air vent.
9. disposable use air separation according to claim 1, automatic liquid-stopping anti-empty transfusion system, is characterized in that: described dripping on kettle pot lid is also provided with chemical feed pipe.
10. disposable use air separation according to claim 8, automatic liquid-stopping anti-empty transfusion system, is characterized in that: the dropper mouth of described upper conduit and the distance of air vent are more than 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617011.5U CN203507223U (en) | 2013-09-30 | 2013-09-30 | Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617011.5U CN203507223U (en) | 2013-09-30 | 2013-09-30 | Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203507223U true CN203507223U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617011.5U Expired - Lifetime CN203507223U (en) | 2013-09-30 | 2013-09-30 | Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus |
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| Country | Link |
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| CN (1) | CN203507223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566428A (en) * | 2013-09-30 | 2014-02-12 | 上海宝舜医疗器械有限公司 | Disposable infusion apparatus for preventing dripping emptiness by air separating and automatically stopping liquid |
| CN107428087A (en) * | 2015-03-26 | 2017-12-01 | 贝克顿·迪金森公司 | Vein film attachment method |
-
2013
- 2013-09-30 CN CN201320617011.5U patent/CN203507223U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566428A (en) * | 2013-09-30 | 2014-02-12 | 上海宝舜医疗器械有限公司 | Disposable infusion apparatus for preventing dripping emptiness by air separating and automatically stopping liquid |
| CN107428087A (en) * | 2015-03-26 | 2017-12-01 | 贝克顿·迪金森公司 | Vein film attachment method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |