CN104958809A - Anti-coagulation liquid checking infusion device - Google Patents
Anti-coagulation liquid checking infusion device Download PDFInfo
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- CN104958809A CN104958809A CN201510372086.5A CN201510372086A CN104958809A CN 104958809 A CN104958809 A CN 104958809A CN 201510372086 A CN201510372086 A CN 201510372086A CN 104958809 A CN104958809 A CN 104958809A
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- liquid
- dropping funnel
- exhaustor
- transfusion
- anticoagulation
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Abstract
The invention discloses an anti-coagulation liquid checking infusion device. The infusion device comprises a bottle stopper puncture device, an upper infusion pipe, a drip pipe, a drip chamber, a lower infusion pipe, a flow regulator, an outer cone joint, a capillary infusion pipe, a side wing and a vein injection needle, and the infusion device is characterized in that a hollow exhaust pipe with two ends open is arranged inside the chamber of the drip chamber, and the bottom face of the drip chamber and an upper sealing cover of a liquid checking liquid drug filter share a linkage wall as a wall plate; a micro flow hole is formed in the linkage wall, and a liquid checking liquid drug filtering film is welded to the lower half of the liquid checking liquid drug filter. A liquid checking function is achieved in the infusion device, sludged blood is prevented from occurring at the vein injection needle due to the fact that the liquid checking time is too long, and the liquid checking time of the liquid checking liquid drug filter 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 joint liquid type 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.
A kind of anticoagulation stops liquid transfusion device, and it comprises, 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, two ends are provided with the hollow air discharge pipe of opening, are provided with more than one steam vent in the sidewall upper of described exhaustor; The upper cover of dropping funnel bottom surface and only liquid liquid medicine filter has share one piece of linking wall as wallboard; A miniflow metering-orifice is set in linking wall, the cavity of dropping funnel is directly communicated with the cavity stopping liquid liquid medicine filter; Being connected the latter half being welded with only liquid liquid medicine filter below wall, in the latter half of stopping liquid liquid medicine filter, be welded with one piece of only liquid liquid medicine filtering membrane; On the lower surface being connected wall, a water repellant air filter is also set, in water repellant air filter, is welded with a waterproof air-filtering membrane, the wallboard outside waterproof air-filtering membrane is provided with one except pore.
As preferably: on the lower surface of described linking wall, arrange more than one projection downwards in the position being close to described miniflow metering-orifice.
Further preferably: the miniflow metering-orifice on described linking wall is arranged on and is connected on wall in the lowest part of the recessed prominent rear dropping funnel formed.
Further preferably: the upper bottom surface of exhaustor is the drain slope arranged towards the direction deviating from described steam vent; In the edge on drain slope being positioned at described that side of steam vent, the shelves stream plate of a block length shape is extended to form towards the direction deviating from drain slope, the edge of described shelves stream plate both sides lets droop and described steam vent is covered on the inside, shelves flow the position of lowest part lower than described steam vent place exhaustor on edges of boards edge, the sidewall of the shelves stream edge of plate the inner and the drain slope of exhaustor or exhaustor connects, in the orthographic projection of its horizontal direction, its widest position is no more than the overall diameter of exhaustor.
Further preferably: the main body of described microscler shelves stream plate or by the dual-side of a block length strip along the parallel and surface plate put with form from its dual-side along the plate that hangs down respectively towards downward two pieces of drains of stretching out, or be made up of a circle hat annulated column, or the triangle frame annulated column of the isosceles on base is not had to form by one.
Further preferably: upwards extend to form a protruding shelves stream bar at that end of the close dropping funnel of described microscler shelves stream plate.
Further preferably: the upper orifice of described exhaustor is positioned at the middle and upper part of dropping funnel.
Further preferably: described exhaustor extends to form from linking wall.
Further preferably: the pipe shaft through reducing in a section is formed at the bottom of described dropping funnel, the described interior pipe shaft through reducing by described micrometeor escutcheon within it, in described being positioned at, the sidewall of dropping funnel top through not reducing the exhaustor at position is provided with the long of one or more and slots.
Beneficial effect:
Beneficial effect of the present invention: only liquid effect 1, can be realized.The only liquid liquid medicine filtering membrane be provided with in the only liquid filter that dropping funnel connects below can drip to the greatest extent in the transfusion in infusion bottle, air deadens above film by liquid level of infusing in transfusion device can utilize the transfusion of adsorbing in fenestra to be formed tension force when dropping to the position of only liquid liquid medicine filtering membrane, makes the transfusion in tube for transfusion maintain constant height.Blood in vein is not backflowed in tube for transfusion, and the air in anti-Hemostatic Oral Liquid and tube for transfusion meets and forms thrombosis and enter human body and cause doctor-patient dispute.
2, the only liquid time of transfusion device can be extended.The miniflow metering-orifice be connected after liquid till cause on wall can make to be trapped in dropping funnel, be positioned at part transfusion between being connected on wall under the exhaustor upper end mouth of pipe or long fluting after transfusion device stops liquid by being passed to only on liquid liquid medicine filtering membrane under miniflow metering-orifice, in this patent, miniflow metering-orifice is arranged to 2ML/ hour, 4ML/ hour, can meet transfusion device after only liquid in the quite a while can with such speed under defeated, make transfusion device after stopping liquid, the acquisition transfusion that only still can continue in liquid liquid medicine filtering membrane supplements, avoid overlong time and make the transfusion of adsorbing in only liquid liquid medicine filtering membrane fenestra kill and make only liquid liquid medicine filtering membrane lose the effect of only liquid.
3, when only liquid, prevent because of till liquid overlong time but sludged blood occurs at intravenous needle place.Because the transfusion remained in dropping funnel can stop on liquid liquid medicine filtering membrane to be passed under the speed of micrometeor, these be only passed to down again after liquid residual transfusion in the dropping funnel on only liquid liquid medicine filtering membrane final all by the lower transfusion slowly that continued by intravenous needle to intravenous, avoid intravenous needle place because of till liquid overlong time do not infuse and flow and the sludged blood that causes.
4, miniflow metering-orifice is reasonable in design, makes flow speed stability.Avoid a miniflow metering-orifice to be located on exhaustor sidewall, make use of the defect of exhaustor as the design in the path be passed under transfusion residual in dropping funnel on only liquid liquid medicine filtering membrane: instability of flow, transfusion that can not be residual in defeated dropping funnel to the greatest extent.Because in that design, penetrated into transfusion residual in the dropping funnel in steam vent by miniflow metering-orifice, after just forming drop, also cannot fall, could drop to from exhaustor after the fluid column of certain altitude must be accumulated into and stop on liquid liquid medicine filtering membrane.The transfusion of such half dropping funnel can only form the transfusion pillar that can fall for 2 ~ 3 times, because the interval that transfusion pillar falls is oversize, and for the critically ill patient of some Coagulation Dysfunctions, their especially easily blood coagulation, so the Hazard ratio common patient that sludged blood occurs at intravenous needle place is much higher, so much higher at the Hazard ratio common patient of interval section generation blood coagulation phenomenon; And the last transfusion fluid column penetrated in exhaustor, if during insufficient height, this section of transfusion is just trapped in exhaustor, can not fall down.So such design is unreasonable.In this programme, miniflow metering-orifice is arranged on the wallboard of linking wall, it is made to be positioned at dropping funnel bottom, adapter mouth and drainage tube is not established under miniflow metering-orifice, make to have passed miniflow metering-orifice and penetrate into residual transfusion in the dropping funnel be connected below wall after formation drop, just can drop at once and stop on liquid liquid medicine filtering membrane, so the flow speed stability of residual transfusion in the design of this programme can be guaranteed by exporting under miniflow metering-orifice dropping funnel, preventing interval time long and making intravenous needle place because do not infuse for a long time and flow through and make intravenous needle place that sludged blood occur.
5, make simply.Dropping funnel bottom surface and and only liquid liquid medicine filter upper cover share one piece of linking wall as wallboard, decrease processing technology, save making material; And exhaustor and flow-stopping plate be all direct after from linking, wall extends to form, and utilizes one-shot forming, make making step simplify further.Because described linking wall, exhaustor, shelves stream plate in this programme, the housing of water repellant air filter successfully can be made in an injection moulding, and the demoulding smoothly.So such design can make making simplify, cost reduces.
Accompanying drawing explanation
Fig. 1 is the diagram one that a kind of anticoagulation of the present invention stops liquid transfusion device.
Fig. 2 is the diagram two that a kind of anticoagulation of the present invention stops liquid transfusion device.
[detailed description of the invention]
Embodiment one,
As shown in Figure 1 be the center longitudinal section that a kind of anticoagulation stops liquid transfusion device.Bottle plug puncture unit 1 connects upper tubing 2, and upper tubing 2 connects dropper 3, and dropper 3 is connected with dropping funnel lid 15A.
Stretch to dropping funnel 15 intracavity at the lower cervical region plug-in mounting one of dropping funnel 15, two ends are provided with opening, the exhaustor 5 of inner hollow, and the sidewall upper of exhaustor 5 has a steam vent 4C, the position of steam vent 4C dropping funnel 15 pipe high 1/2 to 2/3 between; ; The upper bottom surface of exhaustor 5 is the drain slopes 4 arranged towards the direction deviating from described steam vent 4C; In the edge on drain slope 4 being positioned at that side of steam vent 4C, extend to form the shelves stream plate of a block length shape towards the direction deviating from drain slope 4, microscler shelves stream plate by the dual-side of a block length strip along parallel and the surface plate 4A that puts and the plate that hangs down from its dual-side along or triangle drain rectangular respectively towards downward two pieces of stretching out are formed.
Drain hangs down the lowest part on edges of boards edge lower than the position of steam vent 4C place exhaustor 5, shelves stream plate is made steam vent 4C to be covered on the inside, the hang down edge of plate and the sidewall of exhaustor 5 of drain connects, in the orthographic projection in the horizontal direction of whole shelves stream plate, its the widest position is no more than the diameter of exhaustor 5, and shelves stream plate outer end upwards extends to form a protruding shelves stream bar 4B.
The upper cover of dropping funnel 15 bottom surface and only liquid liquid medicine filter 7 has share one piece of linking wall 15D as wallboard; A miniflow metering-orifice 6 is set in linking wall 15D, the cavity of dropping funnel 15 is directly communicated with the cavity stopping liquid liquid medicine filter 7.On the lower surface of described linking wall 15D, more than one projection is set in the position being close to described miniflow metering-orifice 6 downwards.Being connected the latter half being welded with only liquid liquid medicine filter 7 below wall 15D, in the latter half of stopping liquid liquid medicine filter 7, be welded with one piece of only liquid liquid medicine filtering membrane 7A; On the lower surface being connected wall 15D, a water repellant air filter 7 is also set, in water repellant air filter 7, is welded with a waterproof air-filtering membrane 7A, the wallboard outside waterproof air-filtering membrane 7A is provided with one except pore.
Tube for transfusion under only liquid liquid medicine filter 7 connection below, flow regulator 10 is equipped with outside the pipe of lower tube for transfusion 9 bottom, outer cone joint 11 is connect bottom at lower tube for transfusion 9, capillary tube for transfusion 12 is connected with outside below cone joint 11, be connected with flank 13 in capillary tube for transfusion 12 lower end, be connected with intravenous needle 14 in flank 13 lower end.
Using method:
After bottle plug puncture unit 1 and infusion bottle connect, infuse and enter in dropping funnel 15 by bottle plug puncture unit 1, upper tubing 2, dropper 3, then drop on the drain slope 4 of exhaustor 5 upper end.The transfusion major part fallen on drain slope 4 follows the most labour-saving characteristics of motion, the lower end flowing to and exhaustor 5 has been fallen dropping funnel 15 is again climbed downwards along drain slope 4, only have a small amount of transfusion due to crowded and upwards drive in the wrong direction climb flow to shelves stream plate surface plate 4A on, climb downwards again and flow to drain and hang down on plate, finally drop to dropping funnel 15 lower end.The transfusion dropping to dropping funnel 15 lower end, constantly in dropping funnel inner accumulated, causes 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 steam vent 4C 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 all eliminatings 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 to enter into only liquid status.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, but because have the existence of exhaustor 5 in dropping funnel 15, and the steam vent 4C of exhaustor 5 upper end is positioned at the middle and upper part of dropping funnel 15, so also remain the transfusion of more than half dropping funnel in dropping funnel 15.According to national standard, the minimum outer volume of dropping funnel 15 can not be less than 10 milliliters,
So this part residual transfusion can more than 4 milliliters.The miniflow hole 6 be arranged on the linking wall 15D of dropping funnel 15 lowest part can the transfusion remained in the dropping funnel 15 lower surface place infiltration to linking wall 15D slowly, the transfusion penetrated on the lower surface being connected wall 15D is exactly enter to stop in liquid liquid medicine filter 7, these lower defeated transfusions all slowly can form drop, drop onto stop on liquid liquid medicine filtering membrane 7A along projection.Because the flow velocity in miniflow hole 6 is 2 mls/hour, the transfusion of 1 milliliter is equivalent to again because of 20 transfusions, like this after only liquid starts, in a hours time, often spending 90 seconds and just have a transfusion is added dropwise to only 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 sludged blood occurs.
The only liquid limit that till cause, liquid liquid medicine filter 8 is general only has dozens of minutes, because when stopping the liquid-sheet disintegration of the transfusion formation of adsorbing in liquid liquid medicine filtering membrane 7A fenestra, only liquid just stopped.Because within the time of this hours, can have transfusion being added dropwise to only on liquid liquid medicine filtering membrane 7A slowly, so when the residual transfusion in dropping funnel 15 is dripped most, only the liquid time of stopping of liquid liquid medicine filtering membrane 7A can also extend a hours always.
[embodiment two]
As shown in Figure 2 be the center longitudinal section that a kind of anticoagulation stops liquid transfusion device, bottle plug puncture unit 1 connects upper tubing 2, and upper tubing 2 connects dropper 3, and dropper 3 is connected with dropping funnel lid 15A.
Stretch to dropping funnel 15 intracavity at the lower cervical region plug-in mounting one of dropping funnel 15, two ends are provided with opening, the exhaustor 5 of inner hollow, and the sidewall upper of exhaustor 5 has a steam vent 4C, the position of steam vent 4C dropping funnel 15 pipe high 1/2 to 2/3 between; The upper bottom surface of exhaustor 5 is the drain slopes 4 arranged towards the direction deviating from described steam vent 4C; In the edge on drain slope 4 being positioned at that side of steam vent 4C, extend to form the shelves stream plate of a block length shape towards the direction deviating from drain slope 4, the main body of microscler shelves stream plate is a circle hat annulated column 4D.Circle is preced with the position of lowest part lower than steam vent 4C place exhaustor 5 of annulated column 4D, shelves stream plate is made steam vent 4C to be covered on the inside, the inner bottom of circle hat annulated column 4D and the sidewall of exhaustor 5 connect, other positions and drain slope connect, in the orthographic projection in the horizontal direction of whole shelves stream plate, its the widest position equals the diameter of exhaustor 5, and shelves stream plate outer end upwards extends to form a protruding shelves stream bar 4B.
Pipe shaft through reducing in one section is formed at the bottom of dropping funnel 15, described miniflow metering-orifice 6 covers within it by the described interior pipe shaft through reducing, the internal diameter of the interior pipe shaft through reducing is larger than the longest numerical value in exhaustor 5 and the projection in the vertical direction of shelves stream plate, in described being positioned at, the sidewall of dropping funnel 15 top through not reducing the exhaustor 5 at position is provided with the long of one or more and slots.The height of the part that the pipe shaft of dropping funnel 15 does not reduce meets the requirement for height to dropping funnel in transfusion device national standard, and the length that pipe shaft reduces part accomplishes about 20CM.
The upper cover of dropping funnel 15 bottom surface and only liquid liquid medicine filter 7 has share one piece of linking wall 15D as wallboard; A miniflow metering-orifice 6 is set in linking wall 15D, the cavity of dropping funnel 15 is directly communicated with the cavity stopping liquid liquid medicine filter 7.On the lower surface of described linking wall 15D, more than one projection is set in the position being close to described miniflow metering-orifice 6 downwards.Being connected the latter half being welded with only liquid liquid medicine filter 7 below wall, in the latter half of stopping liquid liquid medicine filter 7, be welded with one piece of only liquid liquid medicine filtering membrane 7A; On the lower surface being connected wall 15D, a water repellant air filter 7 is also set, in water repellant air filter 7, is welded with a waterproof air-filtering membrane 7A, the wallboard outside waterproof air-filtering membrane 7A is provided with one except pore.
Tube for transfusion 9 under the bottom of stopping liquid liquid medicine filter 7 connects, flow regulator 10 is equipped with outside the pipe of lower tube for transfusion 9 bottom, outer cone joint 11 is connect bottom at lower tube for transfusion 9, capillary tube for transfusion 12 is connected with outside below cone joint 11, be connected with flank 13 in capillary tube for transfusion 12 lower end, be connected with intravenous needle 14 in flank 13 lower end.
Claims (9)
1. an 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), two ends are provided with the hollow air discharge pipe (5) of opening, more than one steam vent (4C) is provided with in the sidewall upper of described exhaustor (5), the upper cover of dropping funnel (15) bottom surface and only liquid liquid medicine filter (7) has share one piece of linking wall (15D) as wallboard, a miniflow metering-orifice (6) is set in linking wall (15D), the cavity of dropping funnel (15) is directly communicated with the cavity stopping liquid liquid medicine filter (7), being connected the latter half being welded with only liquid liquid medicine filter (7) below wall (15D), in the latter half of stopping liquid liquid medicine filter (7), be welded with one piece of only liquid liquid medicine filtering membrane (7A), on the lower surface being connected wall (15D), a water repellant air filter (8) is also set, in water repellant air filter (8), be welded with a waterproof air-filtering membrane, the wallboard outside waterproof air-filtering membrane be provided with one except pore.
2. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: on the lower surface of described linking wall (15D), arranges more than one projection downwards in the position being close to described miniflow metering-orifice (6).
3. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: the miniflow metering-orifice (6) on described linking wall (15D) is arranged on and is connected on wall (15D) in the lowest part of the recessed prominent rear dropping funnel (15) formed.
4. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: the upper bottom surface of exhaustor (5) is the drain slope (4) arranged towards the direction deviating from described steam vent (4C), in the edge on drain slope (4) being positioned at described steam vent (4C) that side, the shelves stream plate (4A) of a block length shape is extended to form towards the direction deviating from drain slope (4), the edge of described shelves stream plate (4A) both sides lets droop and described steam vent (4C) is covered on the inside, shelves flow the position of lowest part lower than described steam vent (4C) place exhaustor (5) at plate (4A) edge, shelves flow the inner edge of plate (4A) and the drain slope (4) of exhaustor (5) or the sidewall of exhaustor (5) and connect, in the orthographic projection of its horizontal direction, its the widest position is no more than the overall diameter of exhaustor (5).
5. a kind of anticoagulation as claimed in claim 4 stops liquid transfusion device, it is characterized in that: the main body of described microscler shelves stream plate (4A) or by the dual-side of a block length strip along the parallel and surface plate put with form from its dual-side along the plate that hangs down respectively towards downward two pieces of drains of stretching out, or be made up of a circle hat annulated column, or the triangle frame annulated column of the isosceles on base is not had to form by one.
6. a kind of anticoagulation as claimed in claim 5 stops liquid transfusion device, it is characterized in that: upwards extend to form a protruding shelves stream bar (4B) at that end of the close dropping funnel (15) of described microscler shelves stream plate (4A).
7. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: the upper orifice of described exhaustor (5) is positioned at the middle and upper part of dropping funnel (15).
8. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: described exhaustor (5) extends to form from linking wall (15D).
9. a kind of anticoagulation as claimed in claim 1 stops liquid transfusion device, it is characterized in that: the pipe shaft through reducing in a section is formed at the bottom of described dropping funnel (15), the described interior pipe shaft through reducing, the described sidewall being positioned at the exhaustor (5) through not reducing position on dropping funnel (15) top is provided with the long fluting of one or more by described miniflow metering-orifice (6) cover within it.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372086.5A CN104958809A (en) | 2015-06-01 | 2015-06-24 | Anti-coagulation liquid checking infusion device |
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| CN201520385147 | 2015-06-01 | ||
| CN2015203851477 | 2015-06-01 | ||
| CN201510305128 | 2015-06-01 | ||
| CN2015103051283 | 2015-06-01 | ||
| CN201510372086.5A CN104958809A (en) | 2015-06-01 | 2015-06-24 | Anti-coagulation liquid checking infusion device |
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| CN104958809A true CN104958809A (en) | 2015-10-07 |
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| CN104645461A (en) * | 2015-02-27 | 2015-05-27 | 苏州贝尔一锋医疗器械有限公司 | Continuous microsyringe outer sleeve |
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| US5910135A (en) * | 1997-03-31 | 1999-06-08 | Innovative Design Associates | Intravenous infusion system |
| CN201969108U (en) * | 2011-01-16 | 2011-09-14 | 谢世庚 | Automatic blood backflow prevention infusion apparatus |
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| CN204337428U (en) * | 2014-12-21 | 2015-05-20 | 江西侨明医疗器械有限公司 | A kind of micro-transfusion system |
| CN104645461A (en) * | 2015-02-27 | 2015-05-27 | 苏州贝尔一锋医疗器械有限公司 | Continuous microsyringe outer sleeve |
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