CN104941038A - Automatic exhaust anticoagulation liquid stopping infusion set - Google Patents
Automatic exhaust anticoagulation liquid stopping infusion set Download PDFInfo
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- CN104941038A CN104941038A CN201510372623.6A CN201510372623A CN104941038A CN 104941038 A CN104941038 A CN 104941038A CN 201510372623 A CN201510372623 A CN 201510372623A CN 104941038 A CN104941038 A CN 104941038A
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- liquid
- dropping funnel
- exhaustor
- flow
- tube
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Abstract
The invention provides an automatic exhaust anticoagulation liquid stopping infusion set. The automatic exhaust anticoagulation liquid stopping infusion set comprises a bottle stopper puncture device, an upper infusion tube, a drip tube, a drip bucket, an exhaust tube, a liquid medicine stopping filter, a lower infusion tube, a flow adjustor, an outer conical connector, a capillary infusion tube, a side wing and an intravenous injection needle. The exhaust tube is a hollow T-branch tube, the diameter of an upper opening and the diameter of a lower opening meet the requirement for infusion set flow standard in national standard. A minimum-flow tube on the side of the exhaust tube is arranged close to the position connected with the lower neck part of the drip bucket, and a flow blocking plate is arranged in the area above the exhaust tube. The automatic exhaust anticoagulation liquid stopping infusion set can achieve the liquid stopping function of an infusion set after liquid in the drip bucket drips completely, the clotting phenomena caused by long-time liquid stopping at the intravenous injection needle position can be avoided, and the liquid stopping time of the liquid stopping infusion set can be prolonged.
Description
[art]
The present invention relates to disposable infusion set, be particularly useful for single use anticoagulant and stop liquid transfusion device.
[technical background]
Current only liquid transfusion device, after only liquid starts, just infusing never again is passed to intravenous by under intravenous needle.General patient, after only liquid after a while, if do not have nurse to process it, just has sludged blood and produces at intravenous needle place; And the critically ill patient that other nearly all disease is planted, all can cause the disorder of coagulation function, if this patient uses only liquid transfusion device, in the short period of time, will there is blood coagulation in intravenous needle.Once generation sludged blood, patient will be made panic, even cause doctor-patient dispute.
[summary of the invention]
In order to overcome the above-mentioned deficiency of only liquid transfusion device, the present invention proposes a kind of automatic vent anticoagulation and stops liquid transfusion device, only liquid transfusion device can being made to make when stopping liquid intravenous needle place have the transfusion flowing of trace all the time, therefore can avoid above-mentioned blood coagulation phenomenon intravenous needle place being occurred owing to stopping liquid.
The present invention includes, bottle plug puncture unit, upper tubing, dropper, dropping funnel, lower tube for transfusion, flow regulator, outer cone joint, capillary tube for transfusion, flank, intravenous needle, is characterized in that: stretch to dropping funnel intracavity at the lower cervical region plug-in mounting one of dropping funnel, both ends open and the exhaustor that connects of two ends, and on the sidewall of exhaustor, the position part connected at cervical region under dropping funnel arranges a miniflow metering-orifice, and the tube chamber of this miniflow metering-orifice and exhaustor connects; Region near exhaustor upper orifice, is provided with one piece of flow-stopping plate; Be provided with only liquid liquid medicine filter below dropping funnel, be only welded with only liquid liquid medicine filtering membrane in liquid liquid medicine filter, only the upper cover plate of liquid liquid medicine filter is provided with water repellant air filter, is welded with waterproof air-filtering membrane in water repellant air filter.
As preferably: flow-stopping plate horizontal or the tilting central part at dropping funnel, its shape is circular or oval, its projection on horizontal level is the internal diameter that a diameter is less than dropping funnel body, is greater than the external diameter of exhaustor, and the circle of the center of circle on the central shaft of dropping funnel.
Further preferably: flow-stopping plate is connected directly between the upper end of exhaustor upper orifice, and in the below of flow-stopping plate, be provided with an opening in the region at the position connected both them or this position close, this opening makes to connect between the hollow tube chamber of dropping funnel and exhaustor.
Further preferably: flow-stopping plate is connected to and bends down on a support that plate extends up from dropping funnel, the position that pedestal upper end installs flow-stopping plate is arranged on the region near exhaustor upper orifice.
Further preferably: flow-stopping plate is arranged on extending on the support that gets off from the upper cover plate of dropping funnel in dropping funnel, the position of support being installed flow-stopping plate is arranged on the region near exhaustor.
Further preferably: the upper orifice of this exhaustor is positioned at the middle and upper part of dropping funnel.
Beneficial effect: 1), avoid transfusion device in use, makes intravenous needle place that blood coagulation phenomenon occurs because stopping liquid.Transfusion is dripped to the greatest extent, liquid level in exhaustor constantly declines, when liquid level drops to the position of only liquid liquid medicine filtering membrane, the tension force that the transfusion of only adsorbing in liquid liquid medicine filtering membrane fenestra produces deadens entering of air, so just makes the position of transfusion liquid level can remain unchanged within the quite a long time.Existing only liquid transfusion device, terminates to only liquid from only liquid, is just passed to intravenous under transfusion meeting never again at intravenous needle place.General common patient, spends upper tens minute, after twenties minutes.。。(the different time, the difference of intravenous needle material makes the time fluctuate to some extent for the people of different body constitution, different disease kinds) will produce sludged blood at intravenous needle place, and the blood coagulation time of origin of some critically ill patient is also faster than above-mentioned data.In the present invention, the setting of exhaustor makes after only liquid starts, to also have the transfusion water of half dropping funnel to remain in dropping funnel; Because in dropping funnel, the sidewall of exhaustor middle and lower part is provided with a miniflow hole, so after only liquid starts, this part residual transfusion, slowly will permeate, be accumulated into drop in the tube chamber of exhaustor, when drop increases to certain volume, the absorption affinity of tube wall to it will be shaken off, under gravity to the lower nozzle diffluence of exhaustor, then drop onto and stop on liquid liquid medicine filtering membrane.After only liquid starts, the residual transfusion in all dropping funnels dropped on only liquid liquid medicine filtering membrane, all can under gravity, under be passed in tube for transfusion, be input in the vein of patient finally by intravenous needle.According to the regulation of national standard, the outer volume of dropping funnel must more than 10 milliliters.So the transfusion that left behind in dropping funnel is all generally more than 4 milliliters, and one milliliter of transfusion probably equals 20 transfusions, like this flow speed control of the miniflow metering-orifice on exhaustor is made 0.5ml or 1ml per hour or 4ml or 6ml ... dropping funnel volume is made 5ml or 8ml or 15ml ..., can meet and prevent the only liquid time long and the blood coagulation phenomenon of generation.2) the only liquid time, is extended.Only the only liquid time of liquid film is different because the material of only liquid film is different, and what have only has about ten minutes, and what have can have two, 30 minutes.Chief reason stops the liquid-sheet disintegration of the transfusion formation of adsorbing in liquid film fenestra.Supplementing of the acquisition liquid that only liquid film of the present invention can continue within the quite a while after only liquid, avoids only breaking of liquid film and make transfusion device lose only liquid function, so only the time of liquid will only liquid transfusion device be longer than original.
[accompanying drawing explanation]
Fig. 1 is the diagram one that a kind of automatic vent anticoagulation of the present invention stops liquid transfusion device.
Fig. 2 is the diagram two that a kind of automatic vent anticoagulation of the present invention stops liquid transfusion device.
Fig. 3 is the diagram three that a kind of automatic vent anticoagulation of the present invention stops liquid transfusion device.
[detailed description of the invention]
Embodiment one,
A kind of automatic vent anticoagulation as shown in Figure 1 stops liquid transfusion device, and bottle plug puncture unit 1 connects upper tubing 2, and upper tubing 2 connects dropper, and dropper is connected with dropping funnel lid 15A.At dropping funnel 15 intracavity, from the position of close dropping funnel 15 medial wall of dropping funnel lid 15A inner surface, extend to form a support 4A to dropping funnel 15 intracavity.This medial wall being close to dropping funnel 15 at support 4A is downwards straight, is also connected with one piece of flow-stopping plate 4 in its lower end.Flow-stopping plate 4 is circular slabs of one piece of horizontal, and diameter is less than the internal diameter of dropping funnel 15 body, but larger than the external diameter of exhaustor 5, and its center of circle is on the central shaft of dropping funnel 15.The link position of flow-stopping plate 4 is positioned at the region on the upper orifice of exhaustor 5.Exhaustor 5 is the both ends open and the hollow pipe connected installed in the lower neck location of dropping funnel 15, and the upper orifice of this exhaustor 5 is positioned at the middle and upper part of dropping funnel 15, and the outer tube wall of bottom and the lower cervical region of dropping funnel 15 connect.On the sidewall of the exhaustor 5 in dropping funnel 15, offer a miniflow metering-orifice 6 in the position near exhaustor 5 and dropping funnel 15 times cervical region connecting parts, the flow velocity of this miniflow metering-orifice 6 is 2ml per hour.
Be connected to lower tube for transfusion 9 in dropping funnel 15 lower end, be connected to only liquid liquid medicine filter (7) in the middle and upper part of lower tube for transfusion 9.The upper cover plate of only liquid liquid medicine filter (7) is equipped with water repellant air filter 8, in the cavity of only liquid liquid medicine filter (7), adopts the method for ultra-sonic welded to be welded with stop liquid liquid medicine filtering membrane 7A.Manage the outer place near outer cone joint 11 at lower tube for transfusion 9 and be equipped with flow regulator 10, cone joint 11 lower end is connected with capillary tube for transfusion 12 outside, is connected with flank 13 in capillary tube for transfusion 12 lower end, is connected with intravenous needle 14 in flank 13 lower end.
Using method:
After bottle plug puncture unit 1 and infusion bottle connect, transfusion enters in dropping funnel 15 by bottle plug puncture unit 1, upper tubing 2, dropper, wander on flow-stopping plate 4, fall the lower end of dropping funnel 15 again, and constantly gather in dropping funnel 15 bottom, cause the lifting of liquid level, gas is constantly passed through in dropping funnel 15 the exhaustor 5 interior row of tube for transfusion 9 downwards.When the mouth of pipe of liquid level and exhaustor 5 upper end flushes, the gas in dropping funnel 15 drains.Transfusion is input to downwards by exhaustor 5 and stops in liquid liquid medicine filter (7), contaminates wet by the only liquid liquid medicine filtering membrane 7A in it.Remain in the air stopped in liquid liquid medicine filter 7 subsequently outwards to arrange by stopping the water repellant air filter 8 that liquid liquid medicine filter 7 upper cover plate is installed, until get rid of with regard to whole.
Along with constantly pouring in of transfusion, enter the transfusion stopped in liquid liquid medicine filter 7 defeated through stopping in the downward tube for transfusion of liquid liquid medicine filtering membrane 7A 9, flow through flow regulator 10, outer cone joint 11, capillary tube for transfusion 12, intravenous needle 14, finally gush from intravenous needle 14 syringe needle, so close flow regulator 10 at once, connect vein, mix up flow regulator 10, transfusion starts.
When the transfusion in infusion bottle is dripped to the greatest extent, transfusion liquid level in tube for transfusion constantly declines, when liquid level is down to the position of only liquid liquid medicine filtering membrane 7A, the tension force that the transfusion of adsorbing in fenestra is formed just has deadened air and has entered into lower tube for transfusion 9, make transfusion liquid level maintain constant height, transfusion device starts only liquid.Till cause, liquid liquid medicine filter (7) is positioned at the middle and upper part of lower tube for transfusion 9, so make infusion pressure overcome the pressure of vein, blood can not be backflowed in tube for transfusion, avoid meeting with the static minute bubbles that adsorb on tube for transfusion tube wall and forming sludged blood.
After only liquid starts, the position of liquid liquid medicine filtering membrane the 7A to end although liquid level in tube for transfusion declines, because the existence of exhaustor 5 in dropping funnel 15, and upper orifice is positioned at the middle and upper part of dropping funnel 15, so also remain the transfusion of half dropping funnel more than 15 in dropping funnel 15.According to national standard, the minimum capacity of dropping funnel 15 can not be less than 5 milliliters, so this part residual transfusion can more than 4 milliliters, 20 transfusions are equivalent to 1 milliliter of transfusion, like this after only liquid starts, in the time more than more than one hour, often excessively within 90 seconds, just there is a transfusion to be added dropwise to and stop on liquid liquid medicine filtering membrane 7A, finally all have passed intravenous needle 14 enters into vein in these transfusions, so during this period of time would not make intravenous needle 14 place that blood coagulation phenomenon occurs.
Embodiment two,
A kind of automatic vent anticoagulation as shown in Figure 2 stops liquid transfusion device, and bottle plug puncture unit 1 connects upper tubing 2, and upper tubing 2 connects dropper, and on dropper and dropping funnel 15, cervical region connects.An exhaustor 5 is provided with at dropping funnel 15 intracavity, exhaustor 5 is the both ends open and the hollow pipe connected that connect in the lower neck location of dropping funnel 15, the upper orifice of this exhaustor 5 is positioned at the middle and upper part of dropping funnel 15, and the outer tube wall of bottom and the lower cervical region of dropping funnel 15 connect.Be connected to one piece of flow-stopping plate 4 at the upper end open place of exhaustor 5, flow-stopping plate 4 is circular slabs of one piece of horizontal, and diameter is less than the internal diameter of dropping funnel 15 body, but larger than the external diameter of exhaustor 5, and its center of circle is on the central shaft of dropping funnel 15.On the sidewall of dropping funnel 15 inside exhaust pipe 5, offer a miniflow metering-orifice 6 in the position near exhaustor 5 and dropping funnel 15 times cervical region connecting parts, the flow velocity of this miniflow metering-orifice 6 is 2ml per hour.
Only liquid liquid medicine filter (7) is connected with in dropping funnel 15 lower end.The upper cover plate of only liquid liquid medicine filter (7) is equipped with water repellant air filter 8, in the cavity of only liquid liquid medicine filter (7), adopts the method for ultra-sonic welded to be welded with stop liquid liquid medicine filtering membrane 7A.Manage the outer place near outer cone joint 11 at lower tube for transfusion 9 and be equipped with flow regulator 10, cone joint 11 lower end is connected with capillary tube for transfusion 12 outside, is connected with flank 13 in capillary tube for transfusion 12 lower end, is connected with intravenous needle 14 in flank 13 lower end.
Embodiment three,
A kind of automatic vent anticoagulation as shown in Figure 3 stops liquid transfusion device, and bottle plug puncture unit 1 connects upper tubing 2, and upper tubing 2 connects dropper, and dropper is connected with dropping funnel lid 15A.At dropping funnel 15 intracavity, from dropping funnel 15 collet inner surfacies, extend to form a support 4A to dropping funnel 15 intracavity.4A is upwards straight for this support, is also connected with one piece of flow-stopping plate 4 in its upper end.Flow-stopping plate 4 is circular slabs of one piece of horizontal, and diameter is less than the internal diameter of dropping funnel 15 body, but larger than the external diameter of exhaustor 5, and its center of circle is on the central shaft of dropping funnel 15.The link position of flow-stopping plate 4 is positioned at the region on the upper orifice of exhaustor 5.Exhaustor 5 is the both ends open and the hollow pipe connected installed in the lower neck location of dropping funnel 15, and the upper orifice of this exhaustor 5 is positioned at the middle and upper part of dropping funnel 15, and the outer tube wall of bottom and the lower cervical region of dropping funnel 15 connect.On the sidewall of the exhaustor 5 in dropping funnel 15, a miniflow metering-orifice 6 is offered in the position near exhaustor 5 and connecting part, dropping funnel 15 lower end, and the flow velocity of this miniflow metering-orifice 6 is 4ml per hour.
Only liquid liquid medicine filter (7) is connected with in dropping funnel 15 lower end.The upper cover plate of only liquid liquid medicine filter (7) is equipped with water repellant air filter 8, in the cavity of only liquid liquid medicine filter (7), adopts the method for ultra-sonic welded to be welded with stop liquid liquid medicine filtering membrane 7A.Manage the outer place near outer cone joint 11 at lower tube for transfusion 9 and be equipped with flow regulator 10, cone joint 11 lower end is connected with capillary tube for transfusion 12 outside, is connected with flank 13 in capillary tube for transfusion 12 lower end, is connected with intravenous needle 14 in flank 13 lower end.
Claims (6)
1. an automatic vent anticoagulation stops liquid transfusion device it comprises: bottle plug puncture unit (1), upper tubing (2), dropper (3), dropping funnel (15), lower tube for transfusion (9), flow regulator (10), outer cone joint (11), capillary tube for transfusion (12), flank (13), intravenous needle (14), it is characterized in that: stretch to dropping funnel (15) intracavity at the lower cervical region plug-in mounting one of dropping funnel (15), both ends open and the exhaustor (5) that connects of two ends, and on the sidewall of exhaustor (5), the position connected at cervical region under it and dropping funnel (15) arranges a miniflow metering-orifice (6), the tube chamber of this miniflow metering-orifice (6) and exhaustor (5) connects, region near exhaustor (5) upper orifice, is provided with one piece of flow-stopping plate (4), dropping funnel (15) is provided with only liquid filter medicinal liquid below and crosses device (7), only liquid filter medicinal liquid is crossed in device (7) and is welded with only liquid liquid medicine filtering membrane (7A), the upper cover plate that only device (7) crossed by liquid filter medicinal liquid is provided with water repellant air filter (8), and water repellant air filter is welded with waterproof air-filtering membrane in (8).
2. a kind of automatic vent anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: flow-stopping plate (4) horizontal or the tilting central part in dropping funnel (15), its shape is circular or oval, its projection on horizontal level is the internal diameter that a diameter is less than dropping funnel (15) body, be greater than the external diameter of exhaustor (5), and the circle of the center of circle on the central shaft of dropping funnel (15).
3. a kind of automatic vent anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: flow-stopping plate (4) is connected directly between the upper end of exhaustor (5) upper orifice, and in the below of flow-stopping plate (4), be provided with an opening in the region at the position connected both them or this position close, this opening makes to connect between the hollow tube chamber of dropping funnel (15) and exhaustor (5).
4. a kind of automatic vent anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: flow-stopping plate (4) is connected to and bends down on a support (4A) that plate extends up from dropping funnel (15), the position that flow-stopping plate (4) is installed in support (4A) upper end is arranged on the region near exhaustor (5) upper orifice.
5. a kind of automatic vent anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: flow-stopping plate (4) is arranged on extending on the support (4A) that gets off from the upper cover plate of dropping funnel (15) in dropping funnel (15), the position of support (4A) being installed flow-stopping plate (4) is arranged on the region near exhaustor (5).
6. a kind of automatic vent anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: the upper orifice of this exhaustor (5) is positioned at the middle and upper part of dropping funnel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372623.6A CN104941038A (en) | 2015-05-18 | 2015-06-24 | Automatic exhaust anticoagulation liquid stopping infusion set |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015203422772 | 2015-05-18 | ||
| CN201520342277 | 2015-05-18 | ||
| CN201510268378 | 2015-05-18 | ||
| CN2015102683784 | 2015-05-18 | ||
| CN201510372623.6A CN104941038A (en) | 2015-05-18 | 2015-06-24 | Automatic exhaust anticoagulation liquid stopping infusion set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104941038A true CN104941038A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510372623.6A Pending CN104941038A (en) | 2015-05-18 | 2015-06-24 | Automatic exhaust anticoagulation liquid stopping infusion set |
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| CN (1) | CN104941038A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888829A (en) * | 2018-05-14 | 2018-11-27 | 河南兴恒医疗用品有限公司 | The disposable accurate liquid that stops filters anti-puncture no-needle transfusion device |
| CN113368335A (en) * | 2021-06-05 | 2021-09-10 | 浙江康泰医疗器械有限公司 | Multifunctional infusion apparatus |
-
2015
- 2015-06-24 CN CN201510372623.6A patent/CN104941038A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888829A (en) * | 2018-05-14 | 2018-11-27 | 河南兴恒医疗用品有限公司 | The disposable accurate liquid that stops filters anti-puncture no-needle transfusion device |
| CN113368335A (en) * | 2021-06-05 | 2021-09-10 | 浙江康泰医疗器械有限公司 | Multifunctional infusion apparatus |
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Application publication date: 20150930 |