CN104189969A - Automatic liquid-stopping infusion apparatus with novel exhaust liquid-storage tube - Google Patents
Automatic liquid-stopping infusion apparatus with novel exhaust liquid-storage tube Download PDFInfo
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- CN104189969A CN104189969A CN201410243010.8A CN201410243010A CN104189969A CN 104189969 A CN104189969 A CN 104189969A CN 201410243010 A CN201410243010 A CN 201410243010A CN 104189969 A CN104189969 A CN 104189969A
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Abstract
The invention provides an automatic liquid-stopping infusion apparatus with a novel exhaust liquid-storage tube. The infusion apparatus comprises a bottle plug puncture device, an infusion tube, a spray pipe, a dropping funnel, a liquid-stopping funnel, a liquid-storage funnel, the exhaust liquid-storage pipe, a flow regulator, an outer conic connector and an intravenous injection needle. The infusion apparatus is characterized in that the liquid-stopping funnel with a first waterproof air filter is arranged below the liquid-storage funnel; a second neck tube is arranged on the wall of the liquid-storage funnel; the exhaust liquid-storage pipe is inserted in the second neck tube; the second neck tube is located at the lowest position in the cavity of the liquid-storage funnel; a micro-flow hole is formed in the side wall of the exhaust liquid-storage tube at the part close to the upper end of the second neck tube; and the second end of the exhaust liquid-storage tube is connected with the liquid-stopping funnel, the infusion tube connected with the liquid-stopping funnel, the exhaust liquid-storage tube or the dropping funnel. After the infusion apparatus stops infusion, a smaller amount of liquid still flows down, which prevents a liquid-stopping liquid medicine filter membrane from losing the liquid-stopping function, or prevents blood form coagulating at the intravenous injection needle after a liquid-stopping floating plug with a sealant stops liquid for a too long time.
Description
[affiliated field]
The present invention relates to disposable infusion set, be particularly useful for the only transfusion device of liquid.
[background technology]
Current only liquid transfusion device mainly contains two kinds, and a kind of is that an only liquid floating plug being provided with fluid sealant is installed in dropping funnel, and another kind is that an only liquid medicine filtering membrane for liquid is installed in dropping funnel.In use, although they can stop liquid, after only liquid starts, if long-time nobody processes, so both there will be hidden danger.It is long that the former starts to be dialled interval between removing to transfusion device from liquid only, will produce sludged blood in intravenous needle.Because transfusion, in the time that intravenous needle flows, does not only need the dozens of minutes time, will produce blood clot.The latter deadens air by the tension force of the transfusion of adsorbing and enters lower tube for transfusion in filter membrane fenestra.If only, after liquid, long-time nobody processes this transfusion device, only liquid liquid medicine filtering membrane will be because of gravity, suction between transfusion, factors such as the evaporation of transfusion and cause dehydration, make the tube for transfusion air inlet below dropping funnel, make blood reflux in tube for transfusion, cause the only liquid afunction of transfusion device.In the time can adsorbable minute bubbles meeting on blood and transfusion tube wall, will there is sludged blood.If sludged blood enters after vein, will cause thrombosis, health is caused to serious harm.
[summary of the invention]
The invention provides a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed, it can overcome the above-mentioned deficiency of transfusion device, makes that only liquid transfusion device is more safe.
A kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed, it comprises bottle plug puncture unit, tube for transfusion, jet pipe, dropping funnel, only liquid bucket, flow regulator, outer cone joint, intravenous needle, it is characterized in that: described only liquid transfusion device is also provided with liquid storage bucket, described only liquid bucket is positioned at the below of liquid storage bucket, at the intracavity of liquid bucket only, only liquid floating plug with fluid sealant/or welding and stopping liquid liquid medicine filtering membrane is housed; On the outer wall of described liquid storage bucket, be provided with, the second eck pipe, wherein go up the access port that eck pipe is the transfusion of liquid storage bucket, and the second eck pipe is all the transfusion delivery outlet of liquid storage bucket, and the second eck pipe is to stretch out from the lowest part in liquid storage bucket bucket chamber to form; Described upper, the second eck pipe are all hollow, and two ends are the connection tube of opening all; On described liquid storage bucket, be also provided with aerofluxus liquid storage pipe, one section in described aerofluxus liquid storage pipe is plugged in the second eck pipe, it is a hollow, two ends are all provided with the bipass of more than one opening, its first end extends to liquid storage bucket intracavity, and the dropping funnel that the only tube for transfusion/connection of liquid bucket of its second end and the second eck pipe/only liquid bucket/is connected stops liquid bucket joins; On the sidewall of aerofluxus liquid storage pipe, be provided with a miniflow metering-orifice against the position of the second eck pipe upper end.
As preferably: only on liquid bucket, the first waterproof air filter is installed described, the first waterproof air-filtering membrane is installed therein, the outer end of described the first waterproof air filter is provided with/is not provided with sealing-plug.
Further preferably: the only liquid bucket of described only liquid transfusion device, liquid storage bucket, in this three of dropping funnel, or liquid storage bucket and dropping funnel unite two into one, and only liquid bucket is independent; Or dropping funnel and only liquid bucket unite two into one, liquid storage bucket is independent; Or stop liquid bucket, and liquid storage bucket, dropping funnel is independent separately.
Further preferably: when described liquid storage bucket and dropping funnel unite two into one, only when liquid bucket independence, the opening of described aerofluxus liquid storage pipe first end in liquid storage bucket cavity 1/2 to 2/3 between; Described the first waterproof air filter is arranged on the headwall that stops liquid bucket, and the second end of described aerofluxus liquid storage pipe is with the second eck pipe/only liquid bucket/being connected the only tube for transfusion of liquid bucket joins.
Further preferably: when described dropping funnel and only liquid bucket unite two into one, when liquid storage bucket independence, the opening of described aerofluxus liquid storage pipe first end is positioned at the top of liquid storage bucket, the second end of described aerofluxus liquid storage pipe and the second eck pipe or only liquid bucket or join with the tube for transfusion that only liquid bucket joins; Described the first waterproof air filter or be arranged on liquid bucket only bucket high 1/2 to 2/3 between the inside/outside side of steam vent at headwall place, or on the headwall of liquid bucket only to extend in liquid bucket cavity only an interior end opening liquid bucket bucket only high 1/2 to 2/3 between gas ejectment pipe, then in upper end or the lower end of gas ejectment pipe, a first waterproof air filter is installed;
Further preferably: described liquid storage bucket, dropping funnel, only liquid does not unite two into one, the opening of described aerofluxus liquid storage pipe first end is positioned at the top of liquid storage bucket, and the dropping funnel that the only tube for transfusion/connection of liquid bucket of the second end of described aerofluxus liquid storage pipe and the second eck pipe/only liquid bucket/is connected stops liquid bucket joins.
Further preferably: the exhaustor of a upper end open is installed at the cervical region of described dropping funnel lower end, the opening position of described exhaustor dropping funnel bucket high 1/2 to 2/3 between.
Further preferably: described upper eck pipe is positioned at the centre region of the upper roof of liquid storage bucket; Described the second eck pipe is positioned at the centre region of diapire under liquid storage bucket.
Further preferably: in the tube for transfusion of described only liquid transfusion device bottom or on outer cover plate of attaching with the precision liquid medicine filter of the second waterproof air filter, or hollow pipe capsule of attaching.
Further preferably: described aerofluxus liquid storage pipe is made by rigid plastics; Described only liquid transfusion device mainly adopts polypropylene material or adds without the polrvinyl chloride of benzene class or adjacent benzene class plasticizer and make.
Further preferably: described jet pipe, its bottom surface sealing, lower wall is provided with more than one opening, and described opening is positioned at dropping funnel/liquid storage bucket/only bucket intracavity of liquid bucket, towards dropping funnel/liquid storage bucket/only sidewall of liquid bucket.
Beneficial effect: 1, easy to use: within aerofluxus liquid storage pipe first end opening part is arranged on liquid storage bucket and be positioned at the middle part of liquid storage bucket when above, it both can get rid of the air stopping in liquid bucket automatically, can automatically preserve again transfusion, avoid in the time that transfusion is dripped to the greatest extent, the transfusion being saved is also at once by defeated most fast; In addition this part transfusion being saved, can be automatic by the miniflow metering-orifice on aerofluxus liquid storage pipe sidewall after transfusion is dripped to the greatest extent, slowly defeated downwards.And these above-mentioned steps all complete automatically, without any need for manual intervention and manual operations.2, transfusion device stops the liquid time when overlength, and sludged blood can not occur at intravenous needle place.For the only liquid transfusion device of the only liquid floating plug with fluid sealant, due to the airproof characteristic of sealant material, so by with after only liquid floating plug seals up of fluid sealant, what the transfusion in tube for transfusion can continue maintains constant height, is not subject to the restriction of time at liquid bucket only.Therefore stop after liquid, intravenous needle place just no longer has transfusion and flows.If still do not have nurse to process after dozens of minutes, will produce sludged blood at intravenous needle place, reason is that transfusion is not flowed at this place.In this programme, the miniflow metering-orifice being provided with on aerofluxus liquid storage pipe can be after liquid bucket only only starts liquid, within several hours, continue, the transfusion preserving in liquid storage bucket is input in blood vessel by intravenous needle slowly, avoids intravenous needle place that blood clot occurs.Because the transfusion of miniflow metering-orifice 4F output per hour can be only 4 milliliters, even still less, because every 1 milliliter of transfusion is made up of 13 transfusions, so the energy speed with tens of transfusions per hour is by being passed in blood vessel under intravenous needle.Therefore while implementing this programme, if the transfusion storage capacity in liquid storage bucket is arranged on to 10 milliliters of left and right, just can maintain several hours, to meet clinical actual needs.3, prevent only liquid liquid medicine filtering membrane dehydration and blood back phenomenon occurs, avoid causing thus the risk of thrombosis.Only, after liquid, only the function of liquid liquid medicine filtering membrane deadening air generally can only maintain about 20 minutes, and after exceeding during this period of time, only liquid liquid medicine filtering membrane will be lost because of dehydration this function.The result causing is like this tube for transfusion air inlet making below liquid bucket only, then makes venous blood backflow in tube for transfusion.Sludged blood will be formed if some minute bubbles that adsorbing on blood and tube for transfusion tube wall meet, thrombosis will be caused if sludged blood enters human body.This patent can make within after liquid only several hours of transfusion device the transfusion of storing in liquid storage bucket being only transported on liquid liquid medicine filtering membrane slowly, to avoid only liquid liquid medicine filtering membrane dehydration, thereby avoided the tube for transfusion air inlet below liquid bucket only, and the blood back, blood coagulation, the thrombosis that then cause.4, make simply, in manufacturing process, liquid storage bucket can use a blow molding of method of blowing, and aerofluxus liquid storage pipe can be used injection machine single injection-molded under Design of Dies.5, cost of manufacture is light.Making soft, hard high molecule plastic that this liquid storage bucket and aerofluxus liquid storage pipe adopt, the cost of making is very light, miniflow metering-orifice on aerofluxus liquid storage pipe can utilize the design of mould, once molding on injection machine, so stop liquid transfusion device with respect to original automatic vent, unique variation is the miniflow metering-orifice arranging, and other any parts can after a fashion, as before, so do not increase manufacture, mounting cost.
[brief description of the drawings]
Fig. 1 is the diagram one of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
Fig. 2 is the diagram two of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
Fig. 3 is the diagram three of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
Fig. 4 is the diagram four of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
Fig. 5 is the diagram five of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
Fig. 6 is the diagram six of a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed of the present invention.
[detailed description of the invention]
Embodiment mono-,
As shown in Figure 1 be a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that dropping funnel and liquid storage bucket unite two into one, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 joins by the upper eck pipe 3F of jet pipe 3A and liquid storage bucket 5, and described upper eck pipe 3F is positioned at the centre region of roof on liquid storage bucket 5.Described liquid storage bucket 5 is made up of hard or flexible plastic.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards the sidewall of liquid storage bucket 5.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At the aerofluxus liquid storage pipe 4 of a hollow of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is the bipass of a hollow, all be provided with one with upper shed at its two ends, on the sidewall of aerofluxus liquid storage pipe 4, a miniflow metering-orifice 4F be provided with against the position of the second eck pipe 6 upper ends.The first end of aerofluxus liquid storage pipe 4 extend into liquid storage bucket 5 intracavity, and the opening 4A of first end struggles against between high 1/2 to 2/3 at liquid storage bucket 5; Described aerofluxus liquid storage pipe 4 second ends and only liquid bucket 4B upper cover plate join.The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, being positioned at the position under aerofluxus liquid storage pipe 4 first end opening 4A, its capacity is greater than 10ml.
Only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms.On upper cover plate, be also provided with the 6th eck pipe 19 and steam vent 8.The second end of the 6th eck pipe 19 and aerofluxus liquid storage pipe 4 joins, and it is positioned at the centre region of upper cover plate.Extending to form one all around downwards " then the convex ring pole of shape adopt the method for ultrasonic or heat seal to be welded in this convex ring pole the first waterproof air-filtering membrane 9 at described steam vent 8.
On the inwall of bucket body bottom, extend a circle convex ring pole along inwall circle.In described convex ring pole, adopt a slice in the method welding of ultrasonic or heat seal to stop liquid liquid medicine filtering membrane 16.Described only liquid liquid medicine filtering membrane 16 is precision liquid medicine filtering membrane or common liquid medicine filtering membrane.Under liquid bucket 4B only, the centre region of diapire is provided with the 3rd eck pipe 15, the three eck pipes 15 and tube for transfusion 2 joins.
Described only the 3rd, the 6th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, on tube for transfusion 2 below flow regulator 8, be connected with silica gel tube 13, below silica gel tube 13, be connected to outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
By bottle plug puncture unit 1 and infusion bottle, (transfusion, infusion bottle are not the component parts of this programme, and they and transfusion device dependency are in use conventional knowledge, so just they are not described in detail in this patent.) join after, transfusion just enters in jet pipe 3A by bottle plug puncture unit 1, tube for transfusion 2, then opening 3 on it sprays on the medial wall of liquid storage bucket 5.Be ejected into transfusion on liquid storage bucket 5 medial walls under the effect of gravity to dirty, and constantly assemble in the bottom of liquid storage bucket 5.Liquid storage bucket 5 interior liquid levels constantly on lift the air causing in liquid storage bucket 5 by constantly lower row of opening 4A of aerofluxus liquid storage pipe 4 first ends, in the time that the opening 4A of transfusion liquid level and aerofluxus liquid storage pipe 4 first ends flushes, air in liquid storage bucket 5 stops discharge, and transfusion has just been passed through aerofluxus liquid storage pipe 4 and entered into only liquid bucket 4B.
Be drained into the air stopping in liquid bucket 4B, a part outwards arrange through the first waterproof air-filtering membrane 9 being welded with on liquid bucket 4B upper cover plate only, the steam vent 8 being provided with, and a part is outwards arranged through intravenous needle 12 through tube for transfusion 2, silica gel tube 13, outer cone joint 11 through stopping liquid liquid medicine filtering membrane 16.After transfusion enters only liquid bucket 4B and will stop liquid liquid medicine filtering membrane 16 and infiltrates, only in liquid bucket 4B, all air just only have the waterproof air-filtering membrane 9 having passed through on liquid bucket 4B upper cover plate only outwards to arrange.
Enter the transfusion stopping in liquid bucket 4B by stopping liquid liquid medicine filtering membrane 16, the tube for transfusion 2 of flowing through, silica gel tube 13, outer cone joint 11 is discharged to venipuncture needle 12.When seeing after venipuncture needle 12 places ejection transfusion, just close immediately flow regulator 8, connect vein, mix up and drip after speed, transfusion has started.
After the transfusion in infusion bottle is dripped to the greatest extent, the transfusion of only adsorbing in liquid liquid medicine filtering membrane 16 fenestras can produce tension force.This tension force can deaden air through stopping liquid liquid medicine filtering membrane 16, so only liquid liquid medicine filtering membrane 16 starts to have stopped liquid.Traditional only liquid transfusion device in the past, because they are after only liquid starts, do not infuse again to add to and stop on liquid liquid medicine filtering membrane 16, if so also do not have nurse to process about 20 minutes, the transfusion meeting of only adsorbing in liquid liquid medicine filtering membrane 16 fenestras is because of the suction between gravity, transfusion, the reasons such as evaporation run off, thereby make only liquid liquid medicine filtering membrane 16 lose the function that deadens air.In this programme, due in liquid storage bucket 5, in the position under aerofluxus liquid storage pipe 4 first end opening 4A, storing transfusion more than 10ml, the miniflow metering-orifice 4F that it can be provided with by aerofluxus liquid storage pipe, is only input in liquid bucket 4B; Because the flow of miniflow metering-orifice 4F is 4ml per hour, form because every 1ml water drips to accumulate by 13 again, within 08 seconds, just can obtain a transfusion water so can make to stop one point of the every mistake of liquid liquid medicine filtering membrane 16, and such state can maintain more than two hours.Therefore this programme it just can be within several hours, avoid only liquid liquid medicine filtering membrane 16 dehydrations, effectively prevent in advance that tube for transfusion 2 air inlets below liquid bucket 4B and blood reflux are in tube for transfusion.The minute bubbles that can stop thus adsorbing on blood and tube for transfusion 2 meet, thereby avoid the generation of blood clot and thrombosis.
Embodiment bis-,
As shown in Figure 2 be a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that dropping funnel and liquid storage bucket unite two into one, bottle plug puncture unit 1 upper eck pipe 3F direct and liquid storage bucket 5 joins, and described upper eck pipe 3F is positioned at the centre region of roof on liquid storage bucket 5.Described liquid storage bucket 5 is made up of hard or flexible plastic.Extend jet pipe 3A from the tail end of bottle plug puncture unit 1, it extend into liquid storage bucket 5 intracavity always, and the bottom surface sealing of described jet pipe 3A is provided with an opening 3 on downside, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards the sidewall of liquid storage bucket 5.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At aerofluxus liquid storage pipe 4 of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is a hollow, two ends are all provided with a bipass with upper shed, on the sidewall of aerofluxus liquid storage pipe 4, be provided with a miniflow metering-orifice 4F against the position of the second eck pipe 6 upper ends.The first end of aerofluxus liquid storage pipe 4 extend into liquid storage bucket 5 intracavity, and the opening 4A of first end struggles against between high 1/2 to 2/3 at liquid storage bucket 5.Described aerofluxus liquid storage pipe 4 second ends with and tube for transfusion 2 that only liquid bucket 4B joins join.The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, being positioned at the position under aerofluxus liquid storage pipe 4 first end opening 4A, its capacity is greater than 10ml.
Only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms.On upper cover plate, be also provided with the 6th eck pipe 19 and steam vent 8, and the 6th eck pipe 19 is positioned at the centre region of upper cover plate, it and tube for transfusion 2 join.On upper cover plate outer wall, upwards extend to form the 5th eck pipe 20 from the periphery of steam vent 8, a sealing-plug 8A is also housed in the 5th eck pipe 20.On described upper cover plate inwall, extend to form one downwards " convex ring pole of shape adopts the method for ultrasonic or heat seal to weld the first waterproof air-filtering membrane 9 on described convex ring pole in the periphery of described steam vent 8.
In the cavity of bucket body part, be provided with an only liquid floating plug 16A with fluid sealant, the described only bottom of liquid floating plug 16A with fluid sealant is sealing silica gel, and middle and upper part is plastics floating blocks.The match geomery at position of the sealing silica gel of the described only liquid floating plug 16A with fluid sealant and only liquid bucket 4B inwall matches, to realize sealing.Under liquid bucket 4B only, the Centromedian region of diapire is provided with the 3rd eck pipe 15, the three eck pipes 15 and tube for transfusion 2 joins.
Described only the 3rd, the 5th, the 6th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, is connected with a precision liquid medicine filter 14 that carries the second waterproof air filter on the tube for transfusion 2 below flow regulator 8.On described precision liquid medicine filter 14, nuclear pore filter is housed, or hydrophilic PTFE filter membrane, in the second waterproof air filter, be welded with a slice the second waterproof air-filtering membrane 21.Described the second waterproof air filter is arranged in the outer cover plate of precision liquid medicine filter 14 feed liquor one sides.The venthole being provided with on precision liquid medicine filter 14 feed liquor one side outer cover plates, it is exactly the air vent of the second waterproof air filter, partial cover plate in the outer cover plate of precision liquid medicine filter 14 feed liquor one sides and from the venthole of outer cover plate all around to the housing that extends the convex ring pole forming in cavity and jointly formed the second waterproof air filter, the second waterproof air-filtering membrane 21 is just welded in described convex ring pole.
Below precision liquid medicine filter 14, be connected to outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
The present embodiment and embodiment mono-difference are in use as follows:
The fluid sealant floating plug that only liquid is used, due to the airproof performance that fluid sealant has, therefore traditional only liquid transfusion device is after only liquid starts, and air can not pass sealed end.If never people processes described only liquid transfusion device, just can not change the situation of sealing always.If intravenous needle 12 is not all infused while flowing after being in and having experienced dozens of minutes always, will there is blood coagulation in intravenous needle 12 places.And in this programme, after liquid bucket 4B only only starts liquid, being stored in transfusion in described liquid storage bucket 5 still can be by miniflow metering-orifice 4F slowly, is passed to by liquid bucket only under continuing, make intravenous needle 12 places be unlikely to cutout, therefore can avoid this place that the hidden danger of blood coagulation occurs.
In addition, owing to being also provided with the precision liquid medicine filter 14 with the second waterproof air filter in the tube for transfusion 2 below stopping liquid bucket 4B, so when there being air to enter into tube for transfusion 2 below liquid bucket 4B only when interior, also can get rid of smoothly, avoid tube for transfusion 2 air inlets and be input to thrombosis occurs in vein.
Embodiment tri-,
As shown in Figure 3 be dropping funnel, liquid storage bucket, a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that only liquid bucket all separates, bottle plug puncture unit 1 directly and the upper cervical region 3G of dropping funnel 5B join, dropping funnel 5B is made up of hard or flexible plastic.Extend jet pipe 3A from the tail end of bottle plug puncture unit 1, it extend into the intracavity of dropping funnel 5B always, and the bottom surface sealing of described jet pipe 3A is provided with an opening 3 on downside.An exhaustor 4C is installed on cervical region under dropping funnel 5B, and the upper end open place of described exhaustor 4C struggles against between high 1/2 to 2/3 at dropping funnel 5B.The bottom of exhaustor 4C extends to and is positioned at the Centromedian upper eck pipe 3F of roof on liquid storage bucket 5, and joins with it.
The bottom of exhaustor 4C, also further to downward-extension, forms jet pipe 3A.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards liquid storage bucket 5 sidewalls.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At aerofluxus liquid storage pipe 4 of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is a hollow, two ends are all provided with a bipass with upper shed, on the sidewall of aerofluxus liquid storage pipe 4, be provided with a miniflow metering-orifice 4F against the position of the second eck pipe 6 upper ends.The first end of aerofluxus liquid storage pipe 4 extend into liquid storage bucket 5 intracavity, and the opening 4A of first end is positioned at the top of liquid storage bucket 5.The second end of described aerofluxus liquid storage pipe 4 and the 6th eck pipe 19 that only liquid bucket 4B upper cover plate centre region is provided with join.The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, in the region being arranged under aerofluxus liquid storage pipe 4 first end opening 4A places, its capacity is greater than 10ml.
Only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms.On upper cover plate, be also provided with a steam vent 8, on upper cover plate outer wall, upwards extend to form the 5th eck pipe 20 from the periphery of steam vent 8, a sealing-plug 8A is also housed in the 5th eck pipe 20.On described upper cover plate inwall, extend to form one downwards " convex ring pole of shape adopts the method for ultrasonic or heat seal to weld the first waterproof air-filtering membrane 9 on described convex ring pole in the periphery of described steam vent 8.
In the cavity of bucket body part, be provided with an only liquid floating plug 16A with fluid sealant, the described only bottom of liquid floating plug 16A with fluid sealant is sealing silica gel, and middle and upper part is plastics floating blocks.The match geomery at position of the sealing silica gel of the described only liquid floating plug 16A with fluid sealant and only liquid bucket 4B inwall matches, to realize sealing.Under liquid bucket 4B only, the Centromedian region of diapire is provided with the 3rd eck pipe 15, the three eck pipes 15 and tube for transfusion 2 joins.
Described only the 3rd, the 5th, the 6th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, on tube for transfusion 2 below flow regulator 8, connect outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
The present embodiment and embodiment mono-difference are in use as follows:
In the present embodiment, dropping funnel 5B is first passed through in transfusion, then enters liquid storage bucket 5, then enters only in liquid bucket 4B.The sealing-plug 8A stopping on liquid bucket 4B is opened, and air is outwards arranged by the first waterproof air-filtering membrane 9, steam vent 8, the eck pipe 20 installed on upper cover plate.When lifting on liquid level when the first waterproof air-filtering membrane 9 is flooded, only in liquid bucket 4B, stop aerofluxus, by sealing-plug 8A beyond the Great Wall.
Embodiment tetra-:
As shown in Figure 4 be dropping funnel and a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that only liquid bucket unites two into one, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 joins by the jet pipe 3A being equipped with on eck pipe 3F on liquid storage bucket 5, and described liquid storage bucket 5 is made up of hard or flexible plastic.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards liquid storage bucket 5 sidewalls.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At aerofluxus liquid storage pipe 4 of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is a hollow, two ends are all provided with a bipass with upper shed, on the sidewall of aerofluxus liquid storage pipe 4, be provided with a miniflow metering-orifice 4F against the position of the second eck pipe 6 upper ends.Aerofluxus liquid storage pipe 4 is that the centre region from stopping liquid bucket 4B upper cover plate is upwards extended and formed, and the opening 4A of its first end is positioned at the top of liquid storage bucket 5; Its second end extend under the upper cover plate of liquid bucket 4B only, and forms and be positioned at the only nozzle 3A on liquid bucket 4B top, and the opening 3 on nozzle 3A is exactly the opening of the second end.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is towards the sidewall that stops liquid bucket 4B.
The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, being positioned at the position under aerofluxus liquid storage pipe 4 first end opening 4A, its capacity is greater than 10ml.
Described only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms.On upper cover plate, be also provided with a steam vent 8, on described upper cover plate inwall, extend to form a gas ejectment pipe 24 all around downwards at described steam vent 8, below gas ejectment pipe 24, be connected to the first waterproof air filter, in the first waterproof air filter, be welded with the first waterproof air-filtering membrane 9, described the first waterproof air-filtering membrane 9 struggles against between high 1/2 to 2/3 at liquid bucket 4B only.
On the inwall of bucket body bottom, extend a circle convex ring pole along inwall circle.On convex ring pole, adopt a slice in the method welding of ultrasonic or heat seal to stop liquid liquid medicine filtering membrane 16.Described only liquid liquid medicine filtering membrane 16 is precision liquid medicine filtering membrane or common liquid medicine filtering membrane.Be provided with the 3rd eck pipe 15 in the centre region of stopping diapire under liquid bucket 4B, described the 3rd eck pipe 15 and tube for transfusion 2 join.
Described only the 3rd, the 5th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, on tube for transfusion 2 below flow regulator 8, connect outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
In use difference as follows of the present embodiment and embodiment mono-:
In the present embodiment, transfusion first enters in the only liquid bucket 4B uniting two into one with dropping funnel 5B through liquid storage bucket 5.The sealing-plug 8A stopping on liquid bucket 4B is opened, and air is by outwards arranging at the first waterproof air-filtering membrane 9, gas ejectment pipe 24, steam vent 8, the eck pipes 20 that only liquid bucket 4B struggles against between high 1/2 to 2/3.When lifting on liquid level when crossing waterproof air-filtering membrane 9 and flood first, only in liquid bucket 4B, stop aerofluxus, by sealing-plug 8A beyond the Great Wall.
Embodiment five:
As shown in Figure 5 be dropping funnel and a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that only liquid bucket unites two into one, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 joins by the jet pipe 3A being equipped with on eck pipe 3F on liquid storage bucket 5, and described liquid storage bucket 5 is made up of hard or flexible plastic.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards liquid storage bucket 5 sidewalls.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At aerofluxus liquid storage pipe 4 of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is a hollow, two ends are all provided with a bipass with upper shed, on the sidewall of aerofluxus liquid storage pipe 4, be provided with a miniflow metering-orifice 4F against the position of the second eck pipe 6 upper ends.Aerofluxus liquid storage pipe 4 is that the centre region from stopping liquid bucket 4B upper cover plate is upwards extended and formed, and the opening 4A of its first end is positioned at the top of liquid storage bucket 5; Its second end extend under the upper cover plate of liquid bucket 4B only, and forms and be positioned at the only nozzle 3A on liquid bucket 4B top, and the opening 3 on nozzle 3A is exactly the opening of the second end.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is towards the sidewall that stops liquid bucket 4B.The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, being positioned at the position under aerofluxus liquid storage pipe 4 first end opening 4A, its capacity is greater than 10ml.
Described only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms, on upper cover plate, be also provided with a steam vent 8, on upper cover plate outer wall, upwards extend to form the 5th eck pipe 20 from the periphery of steam vent 8, in the 5th eck pipe 20, be welded with a slice the first waterproof air-filtering membrane 9, a sealing-plug 8A is also housed on the first waterproof air-filtering membrane 9.On described upper cover plate inwall, extend to form a gas ejectment pipe 24 all around downwards at described steam vent 8.The lower ending opening of described gas ejectment pipe 24, this opening struggles against between high 1/2 to 2/3 at liquid bucket 4B only.
On the inwall of bucket body bottom, extend a circle convex ring pole along inwall circle.On convex ring pole, adopt a slice in the method welding of ultrasonic or heat seal to stop liquid liquid medicine filtering membrane 16.Described only liquid liquid medicine filtering membrane 16 is precision liquid medicine filtering membrane or common liquid medicine filtering membrane.Under liquid bucket 4B only, the centre region of diapire is provided with the 3rd eck pipe 15, the three eck pipes 15 and tube for transfusion 2 joins.
Described only the 3rd, the 5th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, below tube for transfusion 2 below flow regulator 8, be connected to a hollow pipe capsule 23, below hollow pipe capsule 23, be connected to outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
The difference of the present embodiment and embodiment tetra-is as follows:
After the opening of gas ejectment pipe 24 lower ends is flooded in transfusion, only in liquid bucket 4B, transfusion liquid level is lifted on stopping, and has infusion segment up, enters gas ejectment pipe 24, until after the first waterproof air-filtering membrane 9 is flooded, only the aerofluxus in liquid bucket 4B finishes completely.
When tube for transfusion 2 air inlet below liquid bucket 4B only, hollow pipe capsule 23 can be by this part air trapping the top at hollow pipe capsule 23.Avoid air to be input to patient's intravenous, stopped the generation of hidden danger.
Embodiment six:
As shown in Figure 6 be dropping funnel and a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed that only liquid bucket unites two into one, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 joins by the jet pipe 3A being equipped with on eck pipe 3F on liquid storage bucket 5, and described liquid storage bucket 5 is made up of hard or flexible plastic.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is positioned at the blister cavities of liquid storage bucket 5, towards liquid storage bucket 5 sidewalls.On the lower diapire of liquid storage bucket 5, be provided with the second eck pipe 6, described the second eck pipe 6 is to stretch out and form from the centre region of 5 diapires of described liquid storage bucket, and the centre region of described lower diapire is the lowest part in liquid storage bucket 5 cavitys.Described upper, the second eck pipe are all hollow, the connection tube of both ends open.At aerofluxus liquid storage pipe 4 of the interior grafting of the second eck pipe 6, described aerofluxus liquid storage pipe 4 is a hollow, two ends are all provided with a bipass with upper shed, on the sidewall of aerofluxus liquid storage pipe 4, be provided with a miniflow metering-orifice 4F against the position of the second eck pipe 6 upper ends.Aerofluxus liquid storage pipe 4 is that the centre region from stopping liquid bucket 4B upper cover plate is upwards extended and formed, and the opening 4A of its first end is positioned at the top of liquid storage bucket 5; Its second end extend under the upper cover plate of liquid bucket 4B only, and forms and be positioned at the only nozzle 3A on liquid bucket 4B top, and the opening 3 on nozzle 3A is exactly the opening of the second end.The bottom surface sealing of described jet pipe 3A, lower wall is provided with more than one opening 3, and the opening 3 of described jet pipe 3A is towards the sidewall that stops liquid bucket 4B.The capacity of miniflow metering-orifice 4F output transfusion per hour is 4ml.In liquid storage bucket 5, being positioned at the position under aerofluxus liquid storage pipe 4 first end opening 4A, its capacity is greater than 10ml.
Described only liquid bucket 4B is pegged graft to install by upper cover plate and bucket body two parts and forms.On the sidewall of bucket body, be also provided with a steam vent 8, described steam vent 8 struggles against between high 1/2 to 2/3 at liquid bucket 4B only.Stretch out from the periphery of steam vent 8 and form the 5th eck pipe 20, in the 5th eck pipe 20, be welded with a slice the first waterproof air-filtering membrane 9, a sealing-plug 8A is also housed on the first waterproof air-filtering membrane 9.
On the inwall of bucket body bottom, extend a circle convex ring pole along inwall circle.On convex ring pole, adopt a slice in the method welding of ultrasonic or heat seal to stop liquid liquid medicine filtering membrane 16.Described only liquid liquid medicine filtering membrane 16 is precision liquid medicine filtering membrane or common liquid medicine filtering membrane.Be provided with the 3rd eck pipe 15 in the centre region of stopping diapire under liquid bucket 4B.The opening 3 of described jet pipe 3A to the distance between the upper end of the 3rd eck pipe 15 more than 4CM.Described the 3rd eck pipe 15 and tube for transfusion 2 join.
Described only the 3rd, the 5th eck pipe of liquid bucket 4B is all hollow, the connection tube of both ends open.
The pipe overcoat of the tube for transfusion 2 below liquid bucket 4B only has flow regulator 8, be connected to a hollow pipe capsule 23 in the lower end of tube for transfusion 2, below hollow pipe capsule 23, be connected to outer cone joint 11, below cone joint 11, be connected to outside capillary tube for transfusion 2A, below capillary tube for transfusion 2A, be connected to intravenous needle 12.
This transfusion device mainly adopts low density polypropylene or uses adjacent benzene class or be plasticizer without benzene class polrvinyl chloride is made.
Using method:
The present embodiment with unique difference of embodiment tetra-is in use:
After steam vent 8 is flooded in transfusion, only liquid bucket 4B aerofluxus is just through with.
The above-mentioned just explanation to claims, is not the restriction to claims, only has content contained in claims to be only the flesh and blood that this programme will be protected.
Claims (11)
1. one kind is equipped with the automatic liquid-stopping transfusion apparatus of novel exhaust liquid storage pipe, it comprises bottle plug puncture unit (1), tube for transfusion (2), jet pipe (3A), dropping funnel (5B), only liquid bucket (4B), flow regulator (8), outer cone joint (11), intravenous needle (12), it is characterized in that: described only liquid transfusion device is also provided with liquid storage bucket (5), described only liquid bucket (4B) is positioned at the below of liquid storage bucket (5), at the intracavity of liquid bucket (4B) only, only liquid floating plug (16A) with fluid sealant/or welding and stopping liquid liquid medicine filtering membrane (16) is housed, on the outer wall of described liquid storage bucket (5), be provided with, the second eck pipe (6), wherein go up the access port that eck pipe (3F) is the transfusion of liquid storage bucket (5), and the second eck pipe (6) is the transfusion delivery outlet of liquid storage bucket (5), and the second eck pipe (6) is to stretch out and form from the lowest part in liquid storage bucket (5) bucket chamber, described upper, the second eck pipe are all hollow, and two ends are the connection tube of opening all, on described liquid storage bucket (5), be also provided with aerofluxus liquid storage pipe (4), one section in described aerofluxus liquid storage pipe (4) is plugged in the second eck pipe (6), it is a hollow, two ends are all provided with the bipass of more than one opening, its first end extends to liquid storage bucket (5) intracavity, and the dropping funnel (5B) that the only tube for transfusion/connection of liquid bucket (4B) of its second end and the second eck pipe (6)/only liquid bucket (4B)/is connected stops liquid bucket (4B) joins, on the sidewall of aerofluxus liquid storage pipe (4), be provided with a miniflow metering-orifice (4F) against the position of the second eck pipe (6) upper end.
2. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: only on liquid bucket (4B), the first waterproof air filter is installed described, the first waterproof air-filtering membrane (9) is installed therein, and the outer end of described the first waterproof air filter is provided with/is not provided with sealing-plug (8A).
3. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: the only liquid bucket (4B) of described only liquid transfusion device, liquid storage bucket (5), in this three of dropping funnel (5B), or liquid storage bucket (5) and dropping funnel (5B) unite two into one, only liquid bucket (4B) is independent; Or dropping funnel (5B) and only liquid bucket (4B) unite two into one, liquid storage bucket (5) is independent; Or stop liquid bucket (4B), and liquid storage bucket (5), dropping funnel (5B) is independent separately.
4. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: when described liquid storage bucket (5) and dropping funnel (5B) unite two into one, when only liquid bucket (4B) is independent, the opening (4A) of described aerofluxus liquid storage pipe (4) first end be positioned at liquid storage bucket (5) cavity 1/2 to 2/3 between; Described the first waterproof air filter is arranged on the headwall that stops liquid bucket (4B), and the second end of described aerofluxus liquid storage pipe (4) is with the second eck pipe (6)/only liquid bucket (4B)/being connected the only tube for transfusion (2) of liquid bucket (4B) joins.
5. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: when described dropping funnel (5B) and only liquid bucket (4B) unite two into one, when liquid storage bucket (5) is independent, the opening (4A) of described aerofluxus liquid storage pipe (4) first end is positioned at the top of liquid storage bucket (5), the second end of described aerofluxus liquid storage pipe (4) and the second eck pipe (6) or only liquid bucket (4B) or join with the tube for transfusion that only liquid bucket (4B) joins; Described the first waterproof air filter or be arranged on liquid bucket (4B) only bucket high 1/2 to 2/3 between the inside/outside side of steam vent at headwall place, or be positioned to extending an inner opening in liquid bucket (4B) cavity only the gas ejectment pipe (24) that liquid bucket (4B) only struggles against between high 1/2 to 2/3 on the headwall of liquid bucket (4B) only, then at upper end or a first waterproof air filter of lower end installation of gas ejectment pipe (24).
6. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: described liquid storage bucket (5), dropping funnel (5B), only liquid bucket (4B) does not unite two into one, the opening (4A) of described aerofluxus liquid storage pipe (4) first end is positioned at the top of liquid storage bucket (5), and the dropping funnel (5B) that the only tube for transfusion/connection of liquid bucket (4B) of the second end of described aerofluxus liquid storage pipe (4) and the second eck pipe (6)/only liquid bucket (4B)/is connected stops liquid bucket (4B) joins.
7. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 6, it is characterized in that: the exhaustor (4C) of a upper end open is installed at the cervical region of described dropping funnel (5B) lower end, and the opening of described exhaustor (4C) is positioned at dropping funnel (5B) and struggles against between high 1/2 to 2/3.
8. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, is characterized in that: described upper eck pipe (3F) is positioned at the centre region of the upper roof of liquid storage bucket (5); Described the second eck pipe (6) is positioned at the centre region of diapire under liquid storage bucket (5).
9. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: in the tube for transfusion (2) of described only liquid transfusion device bottom or on outer cover plate of attaching with the precision liquid medicine filter (14) of the second waterproof air filter, an or hollow pipe capsule of attaching (23).
10. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, is characterized in that: described aerofluxus liquid storage pipe (4) is made by rigid plastics; Described only liquid transfusion device mainly adopts polypropylene material or adds without the polrvinyl chloride of benzene class or adjacent benzene class plasticizer and make.
11. a kind of automatic liquid-stopping transfusion apparatus that novel exhaust liquid storage pipe is housed as claimed in claim 1, it is characterized in that: described jet pipe (3A), its bottom surface sealing, lower wall is provided with more than one opening (3), described opening (3) is positioned at dropping funnel (5B)/liquid storage bucket (5)/only bucket intracavity of liquid bucket (4B), towards dropping funnel (5B)/liquid storage bucket (5)/only sidewall of liquid bucket (4B).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410243010.8A CN104189969A (en) | 2014-05-24 | 2014-05-24 | Automatic liquid-stopping infusion apparatus with novel exhaust liquid-storage tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410243010.8A CN104189969A (en) | 2014-05-24 | 2014-05-24 | Automatic liquid-stopping infusion apparatus with novel exhaust liquid-storage tube |
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| CN104189969A true CN104189969A (en) | 2014-12-10 |
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| CN104958809A (en) * | 2015-06-01 | 2015-10-07 | 戎静华 | Anti-coagulation liquid checking infusion device |
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