CN104117118B - Disposable membrane type automatic flow-stop, liquidproof residual transfusion device - Google Patents

Abstract

The present invention disclose a kind of disposable membrane type automatic flow-stop, liquidproof residual transfusion device, and it rinses a bottle eropper, dropping funnel, film valve, controllable type fluid path Zai Tong mechanisms, woven hose, drop speed adjuster, the reversible pump that goes out liquid interface and be arranged on woven hose by entering liquid interface, imitative courage formula and is constituted.Its advantage is：1. can automatic liquid-stopping, and then be avoided that and separate trouble caused by transfusion needle discharge opeing exhaust carries out continuous liquid, waste and possible occupational infection；2. can will be arranged under valuable raffinate in infusion bottle, transfusion device and be input into human body, both be avoided that waste, curative effect is can ensure that again；3. can intercept and collect the interior angry bubble in woven hose and it can be upwards drained into dropping funnel chamber；4. it is avoided that the fluid path caused by blood back and blood clotting is blocked and possible blood exposure accident；5. the quick infusion that can pressurize rescues patient and is avoided that operation is unexpected and gas pump in woven hose is entered into human body by mistake.It is a kind of multifunctional transfusion system, is largely infused for clinical patients especially season in midwinter patient with severe symptoms and drip defeated use for a long time.

Description

Disposable membrane type automatic flow-stop, liquidproof residual transfusion device

Technical field

The present invention relates to the medical disposable membrane type automatic liquid-stopping transfusion apparatus of one kind, more particularly to a kind of disposable membrane type is certainly Dynamic fluid stopping, liquidproof residual transfusion device.

Background technology

First, the liquid waste phenomenon and reason of traditional infusion device

(1) exhaust in infusion process after woven hose air inlet, discharge opeing and topping up phenomenon again：Previous infusion bottle stop drop and Do not found in time by patient or nurse is busy have little time continuous liquid when, air can enter Murphy type burette [note：The present invention will It is (such as：Usual Straight Murphy type burette, Murphy type burette, the cone-shaped Murphy type burette for offering grafting dosing interface Deng) it is referred to as dropping funnel.By plug bottle connector, (it includes side-hole needle, inclined-plane pin and leading equipped with purification of air part to plug bottle connection pin Tracheae etc.) etc. the company's of being referred to as bottle device.Transfusion catheter at the top of dropping funnel, buret will be arranged on (such as：Straight transfusion catheter, matches somebody with somebody There is the Straight transfusion catheter of switch/drop speed adjuster, Y shape transfusion catheter, the Y shape transfusion equipped with the fast adjuster of switch/drop is led Pipe, the Y shape transfusion catheter equipped with infusion bag and switch is provided with the L-shaped transfusion catheter of grafting dosing interface, equipped with switch/drop speed L-shaped transfusion catheter of adjuster etc.) dropper is referred to as, because they are all to be located at the transfusion catheter above dropping funnel, therefore claim dropper. The company's bottle device at the top of dropping funnel will be arranged on, company's bottle device (containing buret) at the top of buret, company's bottle device of dropper upper end is (containing drop Pipe) etc. be referred to as into liquid interface, so-called feed liquor is for dropping funnel.The transfusion catheter of dropping funnel liquid outlet will be connected to (such as：Straight transfusion catheter, lower end is connected with the Straight transfusion catheter of short section elastic tube, is provided with the defeated of grafting dosing interface Fluid catheter, can make the liquid gas convection current transfusion catheter that bubble, aeroembolism are above arranged automatically in its chamber, and lower end is connected with the liquid of short section elastic tube Gas convection current transfusion catheter etc.) it is referred to as woven hose.The usual joint of transfusion pipe end will be arranged on (such as：Mammiform joint, cap are buckled Formula joint, moveable cap button joint), transfusion needle, infusion tee cock etc. be referred to as out liquid interface] and transfusion lumen in.It is asked Topic is：1. when woven hose enters short section air, often from bottom to top be firmly wrapped in woven hose by nurse makes woven hose on finger Deflated upward extrusion transfusion inner air tube, needing to operate repeatedly sometimes to succeed, and be inconvenient during expense power consumption；2. when woven hose enters When entering section air long, must first separate transfusion needle and discharge stagnant liquid and air in woven hose, then make woven hose again topping up and Continuation drop is defeated, and not only operation sequence is cumbersome, when taking power consumption, easily causes interface and ward pollution, and often because the discharge of liquid is outstanding It is to repeat discharge and affect the treatment and cause to waste (note：Symbol "/" in file of the present invention refers to "or", below not Release again again).

(2) the stagnant liquid origin cause of formation and discarding phenomenon in infusion process in infusion bag, transfusion device：To prevent woven hose air inlet institute The trouble of cause, when defeated using infusion bag drop, the nurse of most of nurse especially emergency department is wireway of deliberately not planting, its knot Fruit can cause the stagnant liquid of generation in infusion bag, dropping funnel and whole piece woven hose, nurses or band liquid is pulled out under pin/changing-over because patient calls One bag liquid, abandons in the lump together with stagnant liquid, raffinate, according to survey, mostly at 20 milliliters or so (5 milliliters or so in infusion bag, in dropping funnel 5 milliliters or so, 10 milliliters in woven hose).The especially small size infusion bag of precious liquid, the ratio of its raffinate amount and setting amount of infusion Value is relative big, and this is that one unacceptable but the problem of inconvenient treatment.

(3) blood back in infusion process and blood clotting fluid path block after discharge opeing and puncture phenomenon again：Due to woven hose Air inlet can make fluid column shorten pressure reduction, or patient's changing position (such as clinostatism is stood up, and upper limbs is moved) cause vein pressure fluctuation When, often there is blood back phenomenon, even if a little blood back in transfusion needle stalk, if without continuous liquid in time is found in time, often causing blood clotting liquid Road blocks, must discharge opeing, exhaust, topping up and puncture again, not only troublesome poeration, and can increase patient suffering and cause waste.

(4) the raffinate origin cause of formation and discarding phenomenon in infusion process or in transfusion latter stage infusion bottle：Due to connecting the feed liquor of bottle device Mouth is located at its tip, thus can cause transfusion bottleneck, bottleneck generation raffinate, according to its raffinate amount is surveyed mostly at 2 milliliters or so, especially Its valuable raffinate is often ignored (for example：Current one bottle of 50 milliliters of price of albumin injection liquid are 600 yuan, if 1 milliliter of residual, Its direct losses is exactly 12 yuan), [referred to last infusion bottle of the same day after previous infusion bottle stops drop or in transfusion latter stage on the same day That time at the end of extremely being infused after stopping dripping, (contain claims) below and no longer release again] together with infusion bottle and its chamber Raffinate is abandoned in the lump, and nurses can love generally, but disposal of having no way of.Additionally, the medical personnel of neurology department arrive other often Section office discuss used albumin infusion bottle, raffinate is applied on undergraduate course paralysed patient bedsore sore face and promotes its reparation to heal Close, this phenomenon is just enough to show its problem place.

(5) transfusion latter stage dropping funnel, the stagnant liquid in woven hose, the raffinate origin cause of formation and phenomenon is abandoned：1. when dropping funnel drips empty woven hose When descending its pressure that shortens of interior fluid column is equal with vein pressure, woven hose hypomere will show fluid stagnation phenomenon (note：It is previous Individual infusion bottle stops the interior liquid holdup phenomenon for being presented of woven hose after drop, and the present invention is referred to as stagnant liquid；The same day infuses latter stage The liquid holdup phenomenon presented in woven hose, the present invention is referred to as raffinate), its raffinate amount and vein pressure individual difference, Site of puncture and woven hose hypomere wriggle the closely related (notes such as bent circuitous degree：Therefore so-called woven hose epimere of the invention refers to That section of empty woven hose of air inlet after dropping funnel drop sky, so-called woven hose hypomere of the invention refer to show after dropping funnel drop sky it is stagnant That section of woven hose of liquid phenomenon, respectively accounts for length of tube 1/2nd of infusing；Woven hose is not bisected into institute after 2,3,4 ... sections The epimere and hypomere for showing；So so-called " woven hose epimere " and " woven hose hypomere " of the invention is relative, its length is big Cause, illustrate hereby)；Especially precious liquid or children drop it is defeated when or primary infusion bottle in liquid residue, not only cause waste, and And can affect the treatment；To prevent precious liquid from remaining, nurse generally separately drives the washing pipes such as one bottle of G/NS, not only operates Program is cumbersome and causes new waste, and very unfavorable to the patient of limit sodium, limit sugar, limit liquid；2. due to some patientss always Worry about air can enter human body and feel fear, or not yet drip empty just urgency nurse for it pulls out pin in dropping funnel；Nurse or because busy And band liquid pulls out pin, the phenomenon abandoned in the lump together with the stagnant liquid in dropping funnel, woven hose, raffinate is very common.

《Nurse studies magazine》One is delivered in volume the 1st phase page 11 the 13rd phase in 1998 entitled " to disappear during venous transfusion Except micro-air enter vein experimental study " paper；《Quotation Analysis》(being sponsored by the Ministry of Public Health) is in March in 2003 The phase page 54 of volume 19 the 3rd has delivered the paper of entitled " discharge method of section air long under infusion process Murphy type burette " all Can be shown that the drawbacks described above place of traditional infusion device.

2nd, correlation technique defect

Liquidproof remains the formula transfusion device (patent No.：ZL00239693.9, the day for announcing：On September 26th, 2001) defect is：① Can not be rinsed to the infusion bottle chamber of precious liquid and be instilled human body (call in the following text can not rinse bottle and instill human body)；2. critical patient Defeated more than ten bottles of liquid is mostly continuously dripped daily, because dropping funnel liquid inlet and outlet respectively has a check-valves, when dropping funnel is dripped in empty woven hose During air inlet, even short section air can not the row of going up, can only using separate transfusion needle method discharge in transfusion lumen Stagnant liquid and air；Due to the discharge or repeatedly discharge of stagnant liquid, can affect the treatment and cause to waste on the contrary, it is taken as that it is not suitable for Continuously drip defeated use；3. air can enter and the fluid column pressure that shortens is diminished in woven hose after previous infusion bottle drop sky, often cause back Blood, even if a little blood back is also possible to blood clotting fluid path to block in transfusion needle stalk, must again discharge opeing, exhaust, topping up and Puncture, not only bother, and can waste；4. in season in midwinter, after ice-cold liquid enters heating ward, it is dissolved in hydrone When gases are heated, they expand in gap (liquid especially in woven hose is faster than the liquid programming rate in infusion bottle) separates out and forms attachment In the bubble (present invention is referred to as " interior angry bubble ") of transfusion inside pipe wall, because the effect of check-valves is difficult its upward row Go out, when patient with severe symptoms largely infuses, when the bubble of drop gas transmission for a long time is cumulative, especially in pressurization quick infusion its liquid to undershoot Hitting bubble when power increases has the danger for entering human body；5. company's bottle device of transfusion device is first injected into inverted infusion bottle mouth before infusing It is interior, woven hose and pinching dropping funnel are then closed, the air in its chamber is got into and make in infusion bottle a little rising of the transfusion pressure in the bottle, So as to past transfusion device internal-filling liquid.Because dropping funnel inlet is provided with check-valves, it is difficult to the air in dropping funnel is got into infusion bottle, Influence transfusion operation (refers to transfusion preparation).

Disposable multifunction safe transfusion system (the patent No.：02280389.0, the day for announcing：On October 29th, 2003) defect Must get on recognize from microscopic techniques and feasibility：1. bottle can not be rinsed and human body is instilled；2. sandstorm, haze weather are into current state Topic on people's the tip of the tongue, and purification of air part is configured without on the port 5 of dosing air guide three, it is a kind of exposed air guide port, open The virus that is suspended in after lid in air, germ, dust, even small insect etc. have the danger into fluid path；3. dropping funnel liquid inlet and outlet On respectively have a check-valves, the defect of the problem caused by it and liquidproof residual formula transfusion device duplicates, and no longer repeats；4. from setting See that the terminal phase of intravenous injection device for auto closing valve of its technical characteristic is rational in meter principle, but successively by three factories nearly Year model test, its terminal phase of intravenous injection device for auto closing valve can not realize closing the Expected Results of fluid path, and its reason may be with The slow negative pressure generating process of liquid level downstream rate is long during transfusion (it is slow descending by liquid level and generate negative pressure), and negative pressure value is low And the float of (referring to Figure of description 7) cone-shaped float-type terminal phase of intravenous injection device for auto closing valve has from heavy and light pressure is small Close, additionally, compared with pristine glass dropping funnel, the dropping funnel of existing transfusion device is made up of translucent soft material, by suction function it is a little to Sunken inside is deflated and offset a part of negative pressure, and then negative pressure value can be reduced and influence close effect；5. membrane type terminal phase of intravenous injection is automatic Positioned at dropping funnel top, pinching dropping funnel institute's moment generation negative pressure relatively high can make membrane type terminal phase of intravenous injection certainly to shut-off valve assembly before transfusion Dynamic shut-off valve assembly is closed, and inconvenience influences transfusion operation toward transfusion device internal-filling liquid, and turns into and abandon the patent right Five big factors.At least the design people does not expect problem above originally, and not yet finds pertinent literature and product at present, otherwise Just do not exist the application.

Such as a kind of identical automatic air exhausting transfusion of Jiangxi many enterprises of HTC SEPARATE APPLICATION (or mandate) in recent years Device, they are the outer walls that the admission chamber of precision liquid medicine filter (shape such as wrist-watch, inside set two chambers) is referred to as in woven hose hypomere One/multiple or the exhaust outlet equipped with closure is opened and has been constituted in center.Application method is：1. when previous infusion bottle drop is empty defeated In pipe during air inlet and when closure is not set on exhaust outlet, continuous liquid can be directly carried out；2. when previous infusion bottle drips empty woven hose During interior air inlet and when being furnished with closure on exhaust outlet, should first uncap carries out continuous liquid again.They are using on aeroembolism in woven hose Gas is extruded exhaust outlet by the bidirection press of square fluid column pressure and vein pressure.Its exhaust mode point opens wide exhaust and the row that uncapped when needing Two kinds of gas.Its defect is：1. bottle can not be rinsed and human body is instilled；2. the transfusion same day, woven hose hypomere latter stage has raffinate phenomenon, and its is residual The factors such as liquid measure and size, the shape for being referred to as precision liquid medicine filter are closely related, according to the raffinate amount for surveying certain enterprise product At 8 milliliters or so；3. air can enter and the fluid column pressure that shortens is diminished in woven hose after previous infusion bottle drop sky, have and occur back Blood and fluid path block risk, or must discharge opeing, exhaust, topping up and puncture again；According to diabetes section of the second the People's Hospital of Nanning City three Name nurse introduces, compared with traditional infusion device, automatic-exhaust transfusion device (such as product of Shandong enterprise, even if dropping funnel does not drip It is empty) it is easier blood back (mostly in patient's changing position), its reason may be with exhaust outlet (just as the exhaust of high-pressure pot cover Mouthful) a little release of pressure effect it is relevant；4. the interior angry bubble in the woven hose of exhaust apparatus lower section can not be discharged；5. in any case its Exhaust mode is still open exhaust, and simply open position is different；Because its exhaust outlet is all located at greatly woven hose hypomere, When wounds oozing of blood, open sore part pyorrhea, gatism are sneezed, blow one's nose, cough is spat, water of choking is choked food, n and V or On one's sick bed during stool and urine, have through exhaust outlet contaminated liquid transportation work style danger；Especially patient with severe symptoms largely transfusion and is dripped defeated for a long time, is deposited In hidden trouble in safety.It is well known that the microorganism such as bacterium, virus is ubiquitous all-pervasive, since gas can be arranged from exhaust outlet Go out, the pathogenic microorganisms such as bacterium, virus is also possible to be invaded from exhaust outlet, even the probability of thousand a ten thousandths, also as far as possible Avoid, be that a little problem makes medical personnel once the doctor that goes wrong, trouble, factory tripartite are very passive or cause tight relationship The event of personal safety accident happens occasionally；Transfusion is after all input, closed higher than open safety, even urethral catheterization and is drawn Stream, can also emphasize a problem for seal, and it will not be made always to open wide；Medical worker familiar to inside and outside section it is general " closed drainage bottle " is just enough to show that closed is how important to safety；Therefore for, should not all fall for any potential problems With negligent, leave things to chance；6. the exhaust outlet of its exhaust outlet especially open type is appeared sweet taste, fishy smell (blood product) can no trick Inviting mosquitos and flies, ant, jump to disturb etc. needs the time to observe；7. when closure is unworthy of on exhaust outlet, easily missed by " automatic " two word Lead, because exhaust outlet is located at woven hose hypomere, once limbs of patient kills exhaust outlet, air has the danger into human body；Work as row When being furnished with closure on gas port, the gases such as closure natural excrement must be opened and covered back again, name day is automatic, also must be manual, not only fiber crops It is tired, and nurse's time can be wasted.

Patent No. 201120265273.0 it is disposable exempt to be vented continuous liquid transfusion device defect be：1. bottle can not be rinsed and is dripped Enter human body；2. air can enter and the fluid column pressure that shortens is diminished in woven hose epimere chamber after previous bottle liquid drop sky, and having causes back The risk that blood and fluid path are blocked；3. woven hose is too thick less refined；And turn into three main causes for abandoning the patent right.

Single use (float type) automatic liquid-stopping transfusion apparatus (producer of Patent No. ZL200320131818.4：Zhejiang Ou Jianbao spirit Medical Devices Co., Ltd, phone：0576-85289098) float valve (float type stops liquid valve) of product is located at dropping funnel Lower section, can not only prevent trouble caused by woven hose air inlet, and fluid column high pressure greatly can effectively anti-return blood (refer to sleeping, seat After drop defeated and infusion bottle drop sky) and blood clotting caused by fluid path block, can especially prevent open exhaust or open discharge opeing from arranging Environment, fluid path pollution and occupational infection caused by the continuous liquid mode such as gas is possible, existing Partial Hospitals emergency department is alleviation work pressure Power and employ the product.But it but occurs in that another more distinct issues after a problem is solved, that is just It is that can cause to generate raffinate in whole piece woven hose in transfusion latter stage on the same day, is 10 milliliters according to measurement its raffinate amount in kind；Especially Primary infusion bottle or infantile infusion, its raffinate amount are relatively large with the ratio of setting amount of infusion.For example：If the same day, last was defeated Liquid bottle is 50 milliliters, and its direct losses is exactly 1/5th.

Safe Medical Devices Co., Ltd.'s (the phone in Zhejiang Province in recent years：0576-85998931) it is proposed a kind of disposable The membrane type automatic liquid-stopping precision filter infusion set [patent No.：It is ominous.Production licensing：Zhejiang food medicine prison tool production is permitted No. 20100292.Equipment registration is demonstrate,proved：State's food medicine supervises tool (standard) word 2011 the 3661122nd].It is to connect one in dropping funnel bottom Film valve (membrane type automatic liquid-stopping valve) is constituted.Its film valve is by film valve chest (being made up of translucent wettable solid material), diaphragm And film valve discharging tube is constituted.Be fixedly installed on the diaphragm at the top of film valve chest be it is a kind of with the tunica fibrosa for soaking seepage function, Not only there is automatic liquid-stopping effect, and being capable of filtering liquid medicine.Compared with above-mentioned (float type) automatic liquid-stopping transfusion apparatus, its feature It is：1. a liquid medicine filter has not only been saved, and has looked more succinct；2. when the caudacoria valve insertion that diaphragm is wetted Air can not float in dropping funnel chamber, can only the row of descending；To avoid being advanced into the human body safe thing of generation under the air in film valve pocket Therefore, must be by its emptying before transfusion, therefore it is straight that from film valve chest bottom wall central film valve discharging tube deliberately is extended upwardly into film valve insertion To diaphragm bottom surface；It is in peripherally symmetrically and evenly to be distributed that the inlet (totally 4) of film valve discharging tube is located at its top；Relative to defeated Liquid pipe, film valve casing intracoelomic cavity spaciousness can form liquid gas convection current；That is when feed liquor in film valve pocket gas always in liquid Top, and it can downwards be arranged via four inlets on film valve discharging tube top periphery, film valve discharging tube and transfusion tube cavity Go out；It is prevented from entering in woven hose in the bubble produced by the liquid being introduced into dropping funnel from water dropper liquid-column impingement, topping up And (refer to transfusion preparation) need not be inverted dropping funnel during exhaust, pinching dropping funnel just (can practise title full-automatic exhaust), its operation compared with It is facility.Its diaphragm can down ooze the defeated mechanism of drop for liquid four：1. atmospheric pressure；2. diaphragm top is the liquid weight in dropping funnel Power；3. diaphragm lower section is the descending produced gravitation of fluid column gravity in woven hose；4. diaphragm soaks function.To alleviate work pressure Power, such as medical institutions of emergency department of Baiyun District, Guangzhou City the People's Hospital employ the product.At the same time also think that it is deposited really In the too many defect of raffinate amount, than more than the raffinate of above-mentioned float type automatic liquid-stopping transfusion apparatus.During the defeated end eventually of drop, not only dropping funnel There is raffinate in bottom and whole piece woven hose, and film valve insertion is also full.According to survey its raffinate amount at 12 milliliters (due to woven hose Upper no filter, its raffinate is 9 milliliters, and the raffinate in dropping funnel and film valve is more than 3 milliliters) more than.Understand the transfusion The reason for device is capable of the mechanism of automatic liquid-stopping and generates more raffinate simultaneously can find a practicable solution.The present invention Feel the need to analyze its design principle：By comparison, only liquid effect of float type float valve is by the floating of buoy And whereabouts automatic open close float valve liquid outlet and realize, its float valve inner chamber and dropping funnel inner chamber are mutually communicated, the gas in float valve chamber Can float up to automatically in dropping funnel chamber.Can be also directly entered in float valve through dropping funnel when infusion bottle drips the atmospheric pressure in empty its chamber Chamber.Float valve liquid outlet is located at float valve intracavity bottom, and after previous infusion bottle drop sky, float valve inner chamber is substantially sky, only woven hose Inside there is raffinate.As long as buoy can be made to leave float valve liquid outlet or a bypass Zai Tong mechanism is set above float valve liquid outlet, just can From external atmospheric pressure is imported in transfusion lumen from top to bottom in other words in infusion bottle, and then will can make in woven hose epimere Raffinate automatically enters human body.To further appreciate that the diaphragm performance of the pattern automatic liquid-stopping precision filter infusion set, we should Transfusion device is connected on infusion bottle and then is inverted dropping funnel and film valve, film valve is located above dropping funnel and makes the woven hose below film valve It is sagging, serpentine is made, topping up is then carried out, as a result finding the liquid interface that of the transfusion device end has bubble to discharge, this table Bright its diaphragm had not only been breathed freely but also permeable.Its diaphragm why can automatic liquid-stopping, its principle is：Relative to not dampening liquid (such as Mercury etc.) and solid (such as paraffin) is not soaked；Belong to dampening liquid (also known as wetting liquid) for dripping defeated liquid, dropping funnel, Film valve chest, drain pipe, diaphragm belong to soak solid (referring to can be wetted/soak).It is well known that dampening liquid is not only to leaching Wet solid has attraction adhewsive action, and (i.e. so-called capillary shows to have the effect of attached wall pull-up in the tube chamber for soak solid As), and then intraluminal liquid level can be made to show ascendant trend and recessed moon shape liquid level is formed.When dampening liquid is full of diaphragm fiber Just formed after space each other one kind can sepage but air-locked fiber moisture film and only liquid (refer to atmospheric pressure can not under Reach in film valve pocket).It is that can make film valve insertion by the Another reason that the upper end of film valve discharging tube extends upwardly into diaphragm bottom surface To soak liquid always full and then dampening liquid can be made always to contact diaphragm in case its de- liquid is ventilative.Here it is film valve insertion is present Another origin cause of formation of raffinate.The factors such as strong and weak and proterties, the structure soaked liquid, soak solid of wetting speed and effect are related Connection.And also there is the main cause of raffinate to be in dropping funnel：1. soak liquid energy to be pulled up along diaphragm top dropping funnel madial wall, and then make liquid level Rise, i.e., caused by so-called capillarity；2. with the selection of diaphragm fiber and to soak efficiency relevant.It is somebody's turn to do another of " transfusion device " Defect is：The interior angry bubble in woven hose can not be eliminated, being not suitable for season in midwinter uses.The defect for being somebody's turn to do " transfusion device " is also resided in： 1. enter and be not provided with rinsing bottle instillation device on liquid interface, it is impossible to solve the problems, such as valuable raffinate in infusion bottle；2. do not have on woven hose Check-valves is set, when the upper toilet of patient or when carrying out auxiliary examination and taking bottle and drip the position of defeated its infusion bottle and reduce, often have blood back, Blood clotting fluid path clogging；3. check-valves is not provided with woven hose, defeated especially private room is dripped when patient takes bottle Patient slips or faints (such as in toilet：Hypoglycemia, low blood pressure, cough, urination, position, pain, direct stimulation are fainted ..., Dizzy blood, during brain is sudden, constipation induces heart infarction etc.), when the position of its infusion bottle significantly reduces or batters down, there is generation blood exposure (to refer to Blood samples of patients is backflowed in or beyond transfusion device and is let out, and is no longer released again below) phenomenon.The daily loading amount of patient is doctor according to patient's body What the factors such as weight, the state of an illness, age, related organ dysfunction were calculated；Therefore, nursing college especially prim and proper teacher instructs to nurse White silk has strict demand, that is, (refers to transfusion preparation) when transfusion device internal-filling liquid and exhaust are gone in transfusion, has just seen transfusion Needle point has the overflow of drug fluid should immediately to close fluid path, and (water dropper of national new technical standards is every milli no more than 3 drops to discharge liquid Liquid 20 is risen to drip), the operation toward transfusion device internal-filling liquid must once succeed, and otherwise examine unqualified, must the qualified permission graduation of make-up examination. Therefore the product is mostly decline by the affiliated hospital for having especially emphasis medical college and school of more hospital.Even having the patient being expert at refusal makes Use the product.National Development and Reform Committee deputy director Zhu Zhixin discloses a surprising data in the early time, and China infuses 8 bottles per capita within 2010 ... (see the Guangzhou Daily B24 of on January 15th, 2011).By every 2 bottle liquid medicine, with 1 transfusion device, (this allows for urgent patient per extremely big All drip defeated many bottles and most of outpatient service and basic medical unit and partial hospitalization patient per mostly drip defeated 1 bottle) every transfusion device 13 milliliters of years of residual, (4 transfusion devices) wasted 50 milliliters of liquids (not containing the stagnant liquid in infusion bag, infusion bottle, raffinate and defeated per capita Discharge opeing after fluid path caused by exhaust, discharge opeing and blood back during liquid after woven hose air inlet is stifled and the caused wave such as puncture again Take) estimation, it will be a huge numeral, and certainly the liquid of its direct losses is equally surprising.Except human factor (such as patient lacks correct health idea requirement garter, going after profit or gain property of public hospital, private hospital commercial activity etc.) is outward, defeated with existing Liquid device fault of construction is closely related.With scientific and technological progress, economic development, people's health consciousness enhancing, the medical support system is perfect And popularization, the people of the garter that operates, beats can also be increasing, and its wasting phenomenon can also be on the rise, and being one needs eager solution Problem certainly.

The content of the invention

Designed the present invention be directed to the special construction and defect of disposable membrane type automatic liquid-stopping precision filter infusion set. The purpose of the present invention is：Solve disposable membrane type automatic liquid-stopping precision filter infusion set the same day transfusion latter stage can cause dropping funnel, The problem of generation raffinate in film valve (being the abbreviation of membrane type automatic liquid-stopping valve) and whole piece transfusion lumen；And can avoid exposed The fluid path pollution that air-guide type and open exhaust mode may cause.The present invention also aims to：1. drip it is defeated valuable or When having the liquid of strict demand to therapeutic dose, can be defeated net by the raffinate in infusion bottle, " transfusion device "；2. can intercept, collect And the interior angry bubble in woven hose can be eliminated, largely infused for season in midwinter patient with severe symptoms and drip defeated use for a long time；3. before infusing Air in dropping funnel can be got into and make in infusion bottle a little rising of its internal pressure, be conducive to transfusion device topping up, it is to avoid influence transfusion operation (referring to transfusion preparation)；4. it is avoided that the too quickly mistake of careless manipulation/operation by woven hose when quick infusion rescue patient is pressurizeed Interior gas pumps into human body；5. blood can be avoided to expose accident.

The present invention be by provide a kind of disposable membrane type automatic flow-stop, liquidproof remain transfusion device and solve above-mentioned skill Art problem.Including conventional techniques enter liquid interface, dropping funnel, film valve, woven hose, (it covers to go out liquid interface and the fast adjuster of drop The fast adjuster of tradition drop being fixedly installed, is fixedly installed on out in the fluid path of liquid interface top or is movably connected in out on liquid interface The drop speed adjuster of the existing set-up mode of titration adjuster etc., no longer releases again below), or including conventional techniques enter liquid interface, Dropping funnel, film valve, woven hose, go out liquid interface, the fast adjuster of drop and imitative courage formula and rinse a bottle eropper；Feature is：It is by being arranged on transfusion Can be opened and closed for nurse in the fluid path of pipe top and then (epimere containing woven hose) liquid can be made more than woven hose epimere in transfusion latter stage on the same day Raffinate Automatic-descending in road is simultaneously input into the controllable type fluid path Zai Tong mechanisms of human body and is constituted；Or by being arranged on woven hose and with Woven hose insertion can be constituted lower row's pump or reversible pump of the raffinate input human body in woven hose in transfusion latter stage on the same day；Or by Being arranged in the fluid path of woven hose top can open and close for nurse and then can make in woven hose epimere above fluid path in transfusion latter stage on the same day Raffinate Automatic-descending and be input into the controllable type fluid path Zai Tong mechanisms of human body and be arranged on woven hose and with woven hose insertion energy Lower row's pump or reversible pump of the raffinate input human body in woven hose were constituted in transfusion latter stage on the same day.Described lower row's pump is one Plant the manual one-way pump that human body can will be arranged and be input under the raffinate in woven hose.Described reversible pump is that one kind can be by woven hose Arranged under interior raffinate and be input into human body, also the interior angry bubble in its top woven hose can be upwards expelled to manual in dropping funnel chamber Two-way pump [note：The application essential feature problem has been specially interviewed save between Guangzhou four, five middle and high level nurse practitioners of City Hospitals all Think, transfusion device does not include transfusion needle.It is according to being：1. it is not only to be flexibly connected between transfusion needle and transfusion device, and has not Same model and the individually product of packaging are for nurse's apolegamy；2. transfusion catheter, needleless seal nipple, infusion tee cock etc. in recent years New technology is rapidly developed and extensive use, even if can also be discarded equipped with transfusion needle in transfusion device packaging bag；③《China Quotation Analysis》(being sponsored by Chinese Medical Association) has published one in September, 2006 in the 9th the first tenday period of a month phase version page 54 of volume 22 The paper of a piece entitled " novel clinical use of good fortune (needleless seal nipple) can be carried out "；《Modern Nursing magazine》Exist in November, 2001 The 62-63 pages of the o. 11th of volume 7 has been published one entitled " application of the no-needle transfusion system in child vein retention transfusion " Paper, can be shown that traditional infusion device not include transfusion needle.But it is be furnished with transfusion needle still to have infusion segment device product at present, therefore The application is incorporated into out described in liquid interface.Spy gives explanation].

Further, described controllable type fluid path Zai Tong mechanisms can be arranged on film valve drain pipe liquid outlet/film valve for one kind Can be opened and closed for nurse on housing and film valve top fluid path and equipped with switch and then can infuse latter stage on the same day will be from infusion bottle The air for having purified import from top to bottom in transfusion lumen around film controllable type bypass type wireway, or go out liquid to be opened in film valve Can be opened and closed for nurse on pipe liquid outlet/film valve chest and equipped with purification of air part and opening and closing element and then can be infused latter stage on the same day The controllable type purification type air guide port (note that ambient atmosphere is purified and can from top to bottom imported in transfusion lumen it：① So-called refers to get around film valve film around film；2. so-called opening and closing element is closure, the general designation of switch).

Further, described controllable type fluid path Zai Tong mechanisms are alternatively to be arranged on film valve bottom wall can supply film valve drain pipe tight It is close plant and can make it along its inwall it is upper and lower slide stretch, be reduced to its inlet just with film valve insertion bottom wall insertion and then can be Transfusion latter stage on the same day makes the raffinate in film valve pocket automatically into the film valve drain pipe sleeve pipe in transfusion lumen.

Further, described controllable type fluid path Zai Tong mechanisms can also be to be opened in film valve bottom wall to go out liquid with film valve drain pipe It is mouthful upper can be opened in advance for nurse with the bottom insertion of film valve insertion and equipped with switch, with closing, and then film can be made in latter stage of infusing on the same day External controllable type bypass type fluid guidance port in raffinate Automatic-descending to transfusion lumen in valve pocket.

Further, described controllable type fluid path Zai Tong mechanisms more can be that be opened on film valve drain pipe can be with film valve insertion bottom Portion's insertion and can be opened in advance for nurse equipped with switch, with closing, and then can be infused under latter stage makes the raffinate in film valve pocket automatic on the same day Go to the built-in controllable formula bypass type fluid guidance port (note in transfusion lumen：Controllable type fluid path Zai Tong mechanisms and enclosed air guide The difference of mechanism is：The former is that upperseat concept the latter is subordinate concept.Enclosed air guide mechanism is first gas-liquid guide Lu Suitong；It is controllable Formula drain mechanism is first drain gas circuit with logical.And controllable type fluid path Zai Tong mechanisms include first drain and first two kinds of air guide.Must basis The architectural feature of automatic liquid-stopping valve selects suitable admittance position.Due to there is cognizance hierarchy to same mechanism object, if specially It is improper described in independent claims technical characteristic that sharp office thinks that be placed on for controllable type fluid path Zai Tong mechanisms by the present invention；The present invention Agreement is changed in independent claims preamble or is described in additional technical feature).

Further, described lower row's pump can be by being arranged on woven hose below pars infrasegmentalis (containing pars infrasegmentalis on woven hose) energy Spheroid, spheroid inlet, spheroid liquid outlet for the downward pump liquid of nurse's manual squeezing and it is separately positioned on the spheroid liquid inlet and outlet On check-valves constituted；When defeated for season in midwinter patient drop, then the spheroid liquid outlet can put in sphere cavity for one kind Middle part and retract to original position tongue formula spheroid liquid outlet.

Further, described reversible pump can supply nurse's manual squeezing pump liquid by being arranged on woven hose below pars infrasegmentalis Spheroid, spheroid inlet, spheroid liquid outlet and the switch that is separately positioned in the spheroid upper and lower fluid path constituted；Work as ball When drop speed adjuster is provided with the fluid path above body, then the switch in the fluid path of spheroid top can be omitted；When for season in midwinter When section patient's drop is defeated, then the spheroid liquid outlet is that a kind of tongue formula spheroid that can put in the middle part of sphere cavity and retract to original position goes out Liquid mouthful.

Further, described reversible pump also can supply nurse's manual squeezing pump liquid by being arranged on woven hose below pars infrasegmentalis Spheroid, spheroid inlet, spheroid liquid outlet and the travel core being arranged in the spheroid chamber and be arranged on the spheroid liquid outlet Check-valves is constituted；When defeated for season in midwinter patient drop, then the spheroid liquid outlet is that one kind can be put in the middle part of sphere cavity And retract to the tongue formula spheroid liquid outlet (note of original position：Relative to described " capsule ", the intensity of " ball " is larger, can generate foot The negative pressure of liquid is enough soaked on abjection film valve film.Described capsule covers the setting such as thin-walled sacculus and soft bag capsule form).

The present invention the advantage is that compared with traditional infusion device：1. bottle can be rinsed and human body is instilled；2. can will be residual in woven hose Liquid is input into human body；3. when defeated using infusion bag drop, nurse can relievedly be planted wireway, and generation in infusion bag can be prevented more Stagnant liquid, raffinate and waste；4. the trouble caused by open discharge opeing, exhaust, pollution are eliminated and is wasted；5. fluid column high pressure is big, Can anti-return blood (refer to that seat drop is defeated and move upper limbs or clinostatism drop is defeated stands up cause static pressure fluctuation and run into infusion bottle drop space-time) may Caused blood clotting fluid path blocks and punctures again caused trouble and waste；6. the possible blood exposure accident of patient is eliminated And the potential danger of medical personnel's occupational infection；7. eliminating trouble side's worry about air can enter the misgivings of human body.

The present invention the advantage is that compared with liquidproof residual formula transfusion device：1. bottle can be rinsed and human body is instilled；2. can prevent Woven hose air inlet, and then the trouble caused by repetition discharge opeing, exhaust, topping up and waste are avoided that, it is adapted to continuously drip defeated use；3. liquid Pillar height pressure is big, trouble and waste caused by blood clotting fluid path is blocked and punctured again caused by the anti-return blood of energy is possible；4. drip There is no check-valves on bucket liquid inlet and outlet, air in dropping funnel can be got into and make in infusion bottle a little rising of its internal pressure, be conducive to transfusion Device topping up, does not influence transfusion operation；5. the interior angry bubble collected in woven hose can be intercepted, is adapted to the patient fluid infusion in season in midwinter.

Compared with disposable multifunction safe transfusion system, its advantage is the present invention：1. bottle can be rinsed and human body is instilled；2. can keep away The fluid path that exempting from exposed air-guide type may cause pollutes；3. its fluid path Zai Tong mechanisms can in advance be opened for nurse, with closing, do not influence Dropping funnel function, save work(, section when, it is nimble, safe；4. film valve arrangement maturation is practical；5. there is no non-return on dropping funnel liquid inlet and outlet Valve, can get into infusion bottle air in dropping funnel, not influence transfusion operation；6. can intercept and collect the interior anger in woven hose Bubble, is adapted to season in midwinter patient fluid infusion；7. during pressure transfusion, it is avoided that careless manipulation or operates too quickly mistake that gas is pumped into people Body.

The present invention the advantage is that compared with disposably exempting to be vented continuous liquid transfusion device：1. bottle can be rinsed and human body is instilled；2. liquid Pillar height pressure is avoided that greatly the fluid path caused by blood back and blood clotting is blocked, and then is avoided that repetition discharge opeing, topping up and punctures institute Cause trouble and waste；3. the possible blood exposure accident of patient can be prevented；4. without overstriking woven hose, outward appearance is relatively graceful.

It is of the invention compared with disposable automatic-exhaust transfusion device, the advantage is that：1. can will be residual in infusion bottle, transfusion device The especially valuable raffinate input human body of liquid；Can avoid waste, curative effect is can ensure that again；2. for close cool down, enclosed transfusion, eliminate out The secret worry that formula exhaust may cause fluid path to pollute is put, meets transfusion health essence spirit；3. fluid column high pressure is big, is avoided that blood back And the possible caused fluid path of blood clotting blocks and punctures again caused trouble and waste；4. the quick infusion that can pressurize rescue is suffered from Person；Even if 5. patient slip or faint in toilet also can anti-Hemostatic Oral Liquid exposure accident；6. can intercept and collect in woven hose Interior angry bubble.

It is of the invention compared with disposable membrane type automatic liquid-stopping precision filter infusion set, the advantage is that：1. can by infusion bottle, Arranged under raffinate in dropping funnel, film valve, woven hose and be input into human body, can avoided waste, curative effect is can ensure that again；Even if 2. single sick Room patient takes bottle transfusion and slips or faint in toilet, also can fluid path caused by effectively anti-return blood, blood clotting block and may Blood exposure accident；3. the quick infusion that can pressurize rescues patient, and being also avoided that will be defeated because operating too quickly or misoperation to miss Gas pumps into human body in liquid pipe；4. the interior angry bubble in woven hose can upwards be discharged；5. the interior life that can be intercepted, collect in woven hose Bubble.Being not only suitable for normal temperature season uses, and is especially suitable for season in midwinter patient drop defeated.

Brief description of the drawings

Basic conception of the invention is described in detail with reference to 13 accompanying drawings (page totally five).

Fig. 1 is that (wherein film valve 9 is coronal section to first embodiment of the invention structure, and controllable type purification type air guide port 6 is in Closed mode) schematic diagram.

Fig. 2 is that (for the same day infuses latter stage, it is at film controllable type bypass type wireway 23 for second embodiment of the invention structure In opening, buret 20 and spheroid 34 drip space-time, and wherein film valve is coronal section) schematic diagram.

Fig. 3 is that (tongue formula spheroid liquid outlet 36 puts in spheroid 37 to another set-up mode of its spheroid liquid outlet shown in Fig. 2 Inner chamber middle part when) coronal generalized section.

Fig. 4 is third embodiment of the invention structural representation.

Fig. 5 be fourth embodiment of the invention structure [its film valve 48, external controllable type bypass type fluid guidance port 47 (in open/ When opening state in advance) it is coronal section] schematic diagram.

Fig. 6 is another set-up mode schematic diagram of the spheroid liquid outlet of its lower row's pump shown in Fig. 5.

Fig. 7 is shown in Fig. 5, its reversible pump [during in perpendicular position (referring to spheroid inlet upward, no longer release below) state again, Namely force attitude during into raffinate/pressure transfusion] structural representation.

Fig. 8 is view when raffinate is defeated net in its chamber of spheroid 34 shown in Fig. 7.

Fig. 9 is that shown in Fig. 7, (namely drip defeated during substantially attitude) is illustrated when its reversible pump is in transverse presentation state Figure.

Figure 10 is that shown in Fig. 7, its reversible pump is in be inverted and (refers to spheroid liquid outlet upward, that is, prepare to discharge upwards defeated Attitude during interior angry bubble in liquid pipe, no longer releases again below) state when schematic diagram.

Figure 11 is that (its built-in controllable formula bypass type fluid guidance port 62 is closed fifth embodiment of the invention structure；Its When reversible pump 68 is in perpendicular position state；When its tongue formula spheroid liquid outlet 69 puts in sphere cavity middle part) schematic diagram.

Figure 12 is that shown in Figure 11, its reversible pump 68 is in be inverted and (refers to tongue formula spheroid liquid outlet 69 upward, no longer weigh below Release) state when, its tongue formula spheroid liquid outlet 69 retract original position when schematic diagram.

Figure 13 is that shown in Figure 11, another set-up mode of its controllable type fluid path Zai Tong mechanisms (being coronal section) is illustrated Figure.

Specific embodiment

Embodiment 1：

As shown in figure 1, it is usual enter liquid interface is by side opening needle for inserting bottle 1, dropper 2 and the purification type equipped with purification of air part 3 is led Tracheae (conduit of balance infusion bottle external and internal pressure, practise and claim blast pipe) is constituted.Also side opening needle for inserting bottle 1 can be placed directly onto dropping funnel 4 tops are collectively formed into liquid interface with purification type wireway.Even if should also be planted purification type wireway using infusion bag transfusion, with Reduce raffinate amount in infusion bag.Woven hose equipped with the fast adjuster 12 of drop (for usual wheel clamping type drips fast adjuster) is by usual transfusion (its effect is for conduit 13 and short section elastic tube 15：1. during venipuncture pinching it can rebound and can promote blood back and be to confirm puncture No success；2. can malleation pull out pin, that is, pull out pin in pinching in case ecchymoma or pin mouthful oozing of blood) constitute.Take out liquid interface Nipple (circular cone) shape joint 14 can be socketed for transfusion needle pintle.Film valve 9 is located at the lower section of dropping funnel 4.The inlet 8 of film valve drain pipe 10 (several) are close to the bottom surface of diaphragm 7.To be opened on the liquid outlet of film valve drain pipe 10, (i.e. film valve goes out for controllable type fluid path Zai Tong mechanisms Liquid pipe 10 is located at that section below film valve bottom wall, does not map separately) it is on/film valve chest and (close equipped with purification of air part and opening and closing element The controllable type purification type air guide port 6 that 5) capping can open and close for nurse.The transfusion same day, opening latter stage closure 5 just can be extraneous big Gas purify and can by its from top to bottom (from film valve insertion 11, the inlet 8 of film valve drain pipe 10 and woven hose upper end) import In transfusion lumen, and then the raffinate Automatic-descending of woven hose epimere can be made, be pulled out when observing that woven hose inner liquid medicine stops descending Except transfusion needle terminates same day transfusion.More than half raffinate amount can be reduced.Action edge is under raffinate：In atmospheric pressure and woven hose The Action of Gravity Field of fluid column.

Embodiment 2：

As shown in Fig. 2 it is usual enter liquid interface 17 by the plug bottle connector equipped with purification type air guide port 18 (practise claim exhaust outlet) 19 and the dropper equipped with switch or the fast adjuster 12 of drop and indicate scale and be provided with the buret 20 of suspender 16 and constitute.Switch drips Fast adjuster 12 is used to control Discharge rate.Dropping funnel 22 equipped with droplet water dropper 21 is used for children's drop is defeated.Film valve is located at dropping funnel 22 Lower section.Controllable type fluid path Zai Tong mechanisms are to be arranged on the liquid outlet of film valve drain pipe 27 (not mapping separately)/film valve chest and film valve Can be opened for nurse on square fluid path (refer to dropping funnel 22 or enter liquid interface 17) and equipped with switch 24 (slide fastener also can be the switch such as chuck), Close around film (refer to get around film valve diaphragm 25) controllable type bypass type wireway 23；Transfusion latter stage on the same day is opened just can be in the future (it is the purification type air guide port purification at the top of purified type air guide port 18 or buret from infusion bottle or from the air in buret The air crossed) from top to bottom (from film valve insertion 26, the inlet of the upper end of film valve drain pipe 27 and the upper end of woven hose 28) import it is defeated In the chamber of liquid pipe 28, just can make the raffinate Automatic-descending in the epimere of woven hose 28.The raffinate amount of more than half can be reduced.Reversible pump by The epimere of woven hose 28 (accounting for 1/2nd of transfusion length of tube) bottom (referring to 1/3rd under epimere) is arranged on below (containing epimere Bottom) nurse can be supplied to extrude the switch in spheroid 34, spheroid inlet, spheroid liquid outlet and the spheroid upper and lower fluid path of pump liquid 29 are constituted.Transfusion latter stage on the same day first closes the top fluid path of spheroid 34, and then one hand pinching spheroid 34 of nurse can be defeated by its lower section Raffinate input human body in liquid pipe, when observing that raffinate is defeated net in woven hose, nurse's another hand closes the lower section of spheroid 34 immediately Fluid path is then pulled out transfusion needle and is terminated same day transfusion with anti-blood back.In contrast, when find the top woven hose of spheroid 34 in During raw increased air bubble, first close the lower section fluid path of spheroid 34 pressure energy again produced by pinching spheroid 34 and go out its top transfusion upwards Interior angry bubble in pipe.The reason for spheroid 34 is located at pars infrasegmentalis on woven hose is that same day transfusion its inner chamber of latter stage is empty, input Raffinate is more convenient, time saving, safe.It is unfavorable for operation if the position of spheroid 34 is too high, because nurse during input raffinate What eyes were dig-inned is the liquid flow of air situation in infusion needle guide tube.If spheroid 34 is set into woven hose hypomere, must alternately open and close Raffinate could be input into human body by the fluid path and repetition pinching spheroid 34 of the upper and lower of spheroid 34, because the transfusion same day, ball latter stage Body 34 is full (also having raffinate), could be defeated net by the raffinate in woven hose after must spheroid 34 be emptied, more time-consuming and uneasiness Entirely, because have some patientss (such as children), disease (such as left heart failure) or medicine be can not be input into it is too fast, if control it is bad or cause ask Topic.When spheroid 34 is located at pars infrasegmentalis on woven hose, the volume of spheroid 34 is advisable with slightly larger than woven hose hypomere volume, because pinching Can not possibly be by its intracavity gas emptying during crowded spheroid 34.Slightly smaller spheroid can also be used, input raffinate when repeat once with On be.If specializing in the patient fluid infusion in season in midwinter, also spheroid 34 can be set woven hose hypomere any part and especially infused Pipe hypomere (accounting for 1/2nd of transfusion length of tube) bottom (referring to 1/3rd under hypomere), its volume is with slightly larger than woven hose Volume is advisable, first close spheroid 34 lower section fluid path pressure energy again produced by pinching spheroid 34 by the interior anger in woven hose steep to On go out to dropping funnel chamber；Repeating once or more during input raffinate is.The top of spheroid 34 is provided with drop velocity modulation section Device 35 (for import transfer the files adjustable type titration adjuster, its upper and lower part can make stone mill type relatively rotate be adjusted, screw It is adjustable within one week maximum, is minimal to closing, the existing similar products in the country).The moveable cap button joint 32 of liquid interface is taken out, its Cap buckles 31 (nuts) can not only make horizontal direction relative rotation around the vertical pivot of mammiform joint 30, and can be along mammiform joint 30 inlet 33 that outer walls are slided up and down, and its positive effect is：Can not only with the spiral shell button-type pintle of transfusion needle spin with Anti- accident comes off, and that infundibulate pintle that energy ribbon supply has disjunctor protecting cover is socketed.Set on youngster's burette type transfusion apparatus Putting the reason for film valve, controllable type fluid path Zai Tong mechanisms and reversible pump are even more important is：1. the blood back after woven hose air inlet can be prevented Caused fluid path is blocked, and because the tiny cooperation of child vein is difficult, then is punctured more troublesome；2. infantile infusion total amount is few, raffinate amount with The ratio for setting amount of infusion is relatively large, and raffinate is input into human body as far as possible；3. will can be arranged on the interior angry bubble in woven hose.This Outward, when the top of spheroid 34 is provided with drop speed adjuster, then the switch 29 above it can be omitted, because the fast adjuster of drop also has Close the function of fluid path.But when this kind drips fast adjuster 35 to be located in the lower section fluid path of spheroid 34, preferably retain under spheroid 34 Switch 29 in square fluid path, because need both hands to coordinate when closing drop speed 35 anti-blood back of adjuster, it is inconvenient.If using The usual fast adjuster of wheel clamping type drop, can cause blood back, if will wheel when its roller (referring to the fast adjuster of closing drop) is driven up The fast adjuster of clip drop is arranged in the lower section fluid path of spheroid 34 after being inverted, and drives its roller (to refer to closing drop velocity modulation section downwards Device) when have the danger that air is pressed into human body, therefore appropriate amount of fluid must be reserved when pinching spheroid 34 is forced into raffinate, it is more difficult to accurate Grasp.It is taken as that the lower section of spheroid 34 is the most suitable to end switch.Compared with Example 1 can be defeated net by raffinate in woven hose. Even if it can be appreciated that being not provided with around film controllable type bypass type wireway 23, pinching spheroid 34 generates negative pressure relatively high and also can Liquid abjection of soaking on film valve film 25 is allowed to ventilative, and then can be defeated net by raffinate in woven hose.Therefore, the present invention believes firmly, For a person skilled in the art, can be transferred through accompanying drawing 2 and realize a reason.Accompanying drawing 2 is actually and is given that is to say At least three kinds specific embodiments.That is,：Fluid path is led to again, deflecting double (refer to can the row of descending also can the row of going up) and the two combine three Plant implementation method.So-called " at least " refers to that can also be subdivided according to the particular location of spheroid.As shown in Figure 2,3, its reversible pump Spheroid liquid outlet can also be a kind of tongue formula spheroid liquid outlet 36.It is put in into the inner chamber of spheroid 37 middle part when season in midwinter continuously drips defeated Can intercept and collect the interior angry bubble from woven hose.Spheroid 37 is first adjusted to perpendicular position and goes out tongue formula spheroid during input raffinate 36 retraction original positions of liquid mouthful can be defeated net by raffinate.It can thus be assumed that it be one kind can gas collection can be vented upwards again can also be defeated by raffinate Net multi-functional reversible pump.

Embodiment 3：

As shown in figure 4, it is usual enter liquid interface by plug bottle connector 38 and dropper 40, (L-shaped for being provided with grafting dosing interface is defeated Fluid catheter) constitute.Film valve is located at the lower section of dropping funnel 4.Transfusion pipe end is connected with the fast adjuster 35 of usual drop and (is provided with and transfers the files Section formula titrates the transfusion extension tube of adjuster, is used for intensive care unit, operating room).Moveable cap button joint 32 serves as liquid Interface.As another design of the invention, a kind of imitative courage formula can be set on liquid interface is entered and rinse bottle eropper 42, it is by reservoir 43rd, capsule pipe 41 and the switch 39 (hereinafter referred to as switch) of capsule pipe can be opened and closed constitute.Reservoir 43 is one kind by medical flexible material Material be made and with reservoir (appearance) device for entering the insertion of liquid interface 38.Application method and effect are：1. first used before dripping defeated precious liquid Sodium chloride injection sets up venous transfusion passage (for ordinary operation mode) and pinching reservoir 43 to be made to be full of sodium chloride in its chamber Parenteral solution is standby, after venipuncture succeeds and changing-over precious liquid drop is defeated, remaining sodium chloride injection in infusion bottle is used for Venous transfusion passage is set up with other patients of section office to use, meet the saving spirit that country advocates；2. when the transfusion of precious liquid Pinching reservoir 43 is rinsed to it and is instilled human body after bottle stops drop, is not only avoided that waste, and can prevent from changing a bottle washing pipe Caused trouble, and then (such as bottleneck sterilization is not tight, bottle stopper puncture to prevent the possible caused fluid path pollution of repeated puncture transfusion bottle stopper Hole seepage, crumb of bottle stopper caused by repeated puncture etc.)；3. the volume of reservoir 43 or can be slightly larger, at twice more than rinse bottle and instill, Though having raffinate in the transfusion same day, woven hose latter stage, it is sodium chloride injection, that is to say, that it can not only will be expensive in infusion bottle Weight raffinate input human body, and can be by valuable raffinate input human body in woven hose.Though there is raffinate in the transfusion same day, film valve pocket latter stage, But it is the raffinate being diluted.At the same time it also is adapted for defeated more than the one bottle precious liquid of drop or pressurization drop is defeated.Operation sequence is： Pinching reservoir 43 can raise the transfusion pressure in the bottle again for that section of dropper that first folding is closed below capsule pipe 41.The chamber of reservoir 43 of finished product Interior gas system has pressure transfusion function concurrently by the gas of sterilization.

Embodiment 4：

Fig. 5,6,7,8,9 and 10 show fourth embodiment of the invention.As shown in figure 5, it is usual enter liquid interface it is net by being provided with The plug bottle connector 52 of change type air guide port 46 and equipped with switch 29 (comprising be located at capsule pipe above or below two kinds of set-up modes, no Another mapping) dropper constitute.Woven hose is made up of usual transfusion catheter 54 and short section elastic tube 56.The cap for serving as liquid interface is buckled Formula joint 57 is located at woven hose, and (because the accessory on woven hose and its position etc. are different, each section of length of woven hose is present Difference, though without specific meanings, for ease of recognizing and examining, therefore it is provided without identical caption numbering) end.Woven hose is provided with The fast adjuster 12 of drop.Enter on liquid interface to be provided with imitative courage formula and rinse a bottle eropper, it is made up of reservoir 44, capsule pipe and switch 24. Reservoir 44 is made up of medical flexible material.Switch 24 can prevent the liquid for washing away infusion bottle chamber to be back in reservoir 44.Film Valve 48 is located at the lower section of dropping funnel 45.Controllable type fluid path Zai Tong mechanisms can be with film valve drain pipe liquid outlet to be opened on the bottom wall of film valve 48 50 insertions and can in advance be opened for nurse equipped with switch (equipped with handle 51 and be provided with the cock-type switch of delivery hole 49), with closing and then energy Made the external controllable type bypass type fluid guidance port in raffinate Automatic-descending to the transfusion lumen in the chamber of film valve 48 in transfusion latter stage on the same day 47.Lower row's pump 55 (manual one-way pump) can supply nurse's hand by being arranged on woven hose below pars infrasegmentalis (containing pars infrasegmentalis on woven hose) Check-valves 53 on the spheroid 34 and its liquid inlet and outlet of dynamic extruding pump liquid is constituted.The negative pressure that pinching spheroid 34 is generated can be by film Abjection is allowed to ventilative to the liquid that soaks on valve film downwards, and then raffinate can be input into human body.Repeating pinching spheroid 34 can pressurize soon Speed transfusion rescue patient.Because the purposes of its operation facility and clinical transfusion is different, therefore the volume to spheroid 34 and setting Position be not particularly limited.For example：If being 1. used for continuous transfusion and pressurization quick infusion and anti-raffinate, the volume of spheroid 34 Can be with slightly larger, the present position of spheroid 34 and check-valves is with woven hose hypomere (account for infuse 1/2nd of length of tube) top (referring to 1/3rd on hypomere) or woven hose hypomere middle part (referring to 1/3rd in hypomere) are advisable and (preferred site are, because of north and south There are height differences), not only it is avoided that medical personnel's elevation arm continuously grabs the aching and limp muscular strength fatigue of arm caused by crowded spheroid 34, and And patient can be guarded and prevent from bending over to operate caused discomfort；If 2. specializing in a youngster nurse high to use, transfusion can be also set Pars infrasegmentalis on pipe, woven hose epimere middle part (referring to 1/3rd in epimere) or even woven hose epimere top (refer to three on epimere/ One)；If being 3. exclusively used in anti-raffinate, the volume of spheroid 34 is preferably small unsuitable big, and spheroid 34 and check-valves are with positioned at woven hose hypomere (referring to hypomere 1/3rd) is advisable for bottom, because it is very convenient to repeat pinching, its liquid inlet and outlet is opened and closed without replacing Mouthful.Further, since there is no check-valves on dropping funnel inlet, and compared with liquidproof residual formula transfusion device, can be by the air in dropping funnel Get into and make in infusion bottle a little rising of its internal pressure, favourable woven hose topping up does not influence transfusion operation.Separately because the energy of spheroid 34 will be defeated Raffinate input human body in liquid pipe, therefore the volume of reservoir 44 is also unsuitable excessive.In the same of continued access last infusion bottle of the same day When whip for external controllable type bypass type fluid guidance port 47 to open (i.e. so-called energy is opened in advance for nurse), just can the same day transfusion latter stage make Raffinate Automatic-descending in dropping funnel bottom, film valve 48 and woven hose epimere chamber.When conditions of patients mutation need to add drops physic liquor temporarily (i.e. so-called energy for nurse with close) can be turned off conveniently just can make film valve 48 return to automatic liquid-stopping state.With membrane type auto-stopping Liquid precision filter infusion set is compared, and its advantage is：Can not only prevent woven hose epimere from generating raffinate, and can be by infusion bottle, drop Valuable raffinate in bucket bottom, film valve and transfusion lumen is defeated net；Can avoid waste, curative effect is can ensure that again.Even if private room Patient takes bottle transfusion and slips or faint in toilet and batters down infusion bottle and do not found in time, also can effectively anti-Hemostatic Oral Liquid exposure thing Therefore.As shown in Figure 5,6, also the spheroid liquid outlet of its lower row's pump can be arranged to tongue formula spheroid liquid outlet 36.Its application method is： 1. when defeated for season in midwinter patient drop, tongue formula spheroid liquid outlet 36 can be put in the chamber of spheroid 37 especially inner chamber middle part, can be blocked Cut and collect from the interior angry bubble in its top woven hose；2. the same day drip defeated latter stage, tongue formula liquid outlet 36 is retracted original position, after And lower row's pump is adjusted to perpendicular position (referring to spheroid inlet upward, now gas is above liquid) and pinching spheroid 37, can be by raffinate Defeated net, when observing that raffinate is defeated net, stopping pinching spheroid can pull out pin, without alternately opening and closing spheroid liquid inlet and outlet, operation compared with It is facility.It can be appreciated that as shown in figure 5, it comprises at least eight kinds of implementation methods：For example, both can be by lower row's pump and/or imitative courage formula Rinse bottle eropper to omit, lower row's pump and/or controllable type fluid path Zai Tong mechanisms can also be omitted, also imitative courage formula can be rinsed a bottle eropper And/or controllable type fluid path Zai Tong mechanisms omit (do not map separately), it is respectively used to the defeated different types of liquid of drop or supplies different trouble Person uses.As shown in Fig. 5,7,8 and 9, it is also possible to which reversible pump displaces row's pump 55.It is gone out by spheroid 34, spheroid inlet, spheroid Liquid mouthful and be located in spheroid chamber travel core 58 (float for proportion less than water, also can be dish or other shapes, it is hollow, solid, Soft material, hard material；Also be considered as the abbreviation of Manual Hydraulic switch stand) and the check-valves 53 that is located on the liquid outlet of spheroid 34 constitute.First It is adjusted into perpendicular position, and pinching spheroid 34 can be forced into human body raffinate again, and travel core 58 falls to being automatically switched off spheroid and go out liquid when raffinate is defeated net Mouthful, in case gas is pumped into human body by careless manipulation or the too quickly accident of pinching spheroid.Repeating pinching spheroid 34 can pressurize quick infusion. As shown in Figure 10, it is inverted the interior anger that reversible pump enables spheroid liquid outlet upward and quick pinching spheroid is gone out in woven hose upwards Bubble, suitable season in midwinter patient with severe symptoms largely infuses and drip defeated use for a long time.

Embodiment 5：

Figure 11,12 and 13 show fifth embodiment of the invention.As shown in Figure 11,12, it is usual enter liquid interface by dropper and Plug bottle connector 52 is constituted.The imitative courage formula entered on liquid interface is rinsed bottle eropper and is made up of reservoir 44, capsule pipe and switch 39.Transfusion Pipe 70 is provided with the fast adjuster 12 of drop.Moveable cap button joint 32 serves as liquid interface.Film valve 61 is located at the lower section of dropping funnel 59.It is controllable Formula fluid path Zai Tong mechanisms for be opened on the sleeve pipe 64 of 61 bottom wall of film valve 63 and film valve drain pipe 60 can in advance be opened for nurse, with closing and then Can make the raffinate Automatic-descending in dropping funnel bottom, film valve and the epimere chamber of woven hose 70 and be input into human body in transfusion latter stage on the same day Put controllable type bypass type fluid guidance port 62.Had on sleeve pipe 64 and film valve drain pipe 60 can overlap and with bottom of chamber in film valve 61 The delivery hole of portion's insertion.Correlation is：Sleeve pipe 64 can closely be planted for film valve drain pipe 60 and can manually make water for nurse Square to relative rotation, the bottom 65 of film valve drain pipe 60 made into horizontal direction relative to sleeve pipe 64 relatively rotate 180 ° (can also to set It is scheduled on other angles) rotate bottom 65 to the default dead point of film valve drain pipe 60 in other words afterwards, then built-in controllable formula bypass type is led Liquid mouthfuls 62 in opening (refer to the delivery hole being opened in respectively on sleeve pipe 64, film valve drain pipe 60 be exactly in overlap and with film valve Intracavity bottom maintains an equal level breakthrough status) state, its principle switchs just as cock-type.Reversible pump 68 (manual bidirectional pump) is defeated by being arranged on In spheroid, spheroid inlet 66, tongue formula spheroid liquid outlet 69 and spheroid chamber in liquid pipe below pars infrasegmentalis and with woven hose insertion Travel core 67 and the lower section fluid path of tongue formula spheroid liquid outlet 69 on check-valves 53 constitute.Its application method and beneficial effect are：① During pressurization quick infusion rescue patient, reversible pump first is adjusted into perpendicular position makes spheroid inlet 66 upward, then repeatedly pinching spheroid Just may be used；If 2. largely being infused for season in midwinter patient with severe symptoms, it is defeated to drip for a long time, reversible pump 68 can be arranged on woven hose hypomere outstanding Pars infrasegmentalis under its woven hose；When the interior raw increased air bubble in woven hose 70 is found, tongue formula spheroid liquid outlet 69 is retracted original position Then being inverted reversible pump 68 (referring to tongue formula spheroid liquid outlet 69 upward) makes travel core 67 swim to the internal orifice of tongue formula spheroid liquid outlet simultaneously It is closed, then the pressure energy produced by crushing failure at high speed spheroid goes out to dropping funnel chamber the interior angry bubble in woven hose 70 upwards It is interior；3. when tongue formula liquid outlet 69 puts in especially sphere cavity middle part in spheroid chamber, can intercept and collect from woven hose Interior angry bubble in 70；A small amount of gas does not need then to comprehend it, when the same day drips defeated latter stage input raffinate, is first adjusted to reversible pump perpendicular Position, at the same time retracts original position tongue formula spheroid liquid outlet 69, and now upper, liquid, can be by the raffinate in spheroid under for gas It is defeated net；While raffinate is defeated net, travel core 67 falls to being automatically switched off tongue formula spheroid liquid outlet therewith, and too quickly/behaviour is operated without worry Make the unexpected problem that can pump air into human body accidentally, it can be considered that it is a kind of automatic exhaust, auto-stopping to be somebody's turn to do " transfusion device " Liquid, closed deflating blood, gas gas collection, enclosed transfusion are blocked, pressure transfusion, raffinate, anti-return blood is prevented and is prevented iatrogenic air embolism Multifunctional transfusion system, both facilitate nurse, can ensure that curative effect again, it is fool proof, convenient, be especially suitable for season in midwinter patient drop defeated Use.Meet transfusion health essence spirit.As shown in figure 13, film valve is located at the lower section of dropping funnel 71, its controllable type fluid path Zai Tong mechanisms Or one kind is arranged on film valve bottom wall 74 and can closely be planted for film valve drain pipe 73 and it can be made to be slided up and down along its inwall Flexible sleeve pipe 75.Under drag the bottom 76 of film valve drain pipe 73 to default dead point can make its inlet just fall with film valve in Bottom of chamber wall maintain an equal level place with insertion therewith, and then can the same day transfusion latter stage make the raffinate in film valve and the epimere of woven hose 70 automatic under Go and be input into human body.It is arranged on after the locating button 72 on the top of film valve drain pipe 73 can ensure that down and drag the bottom 76 of film valve drain pipe 73 Will not its come off.

The accompanying drawing of above example is schematic diagram, and described technical characteristic is intended merely to allow professional and technical personnel in the field The example that can be realized according to basic idea of the present invention, not to the limitation of material therefor of the present invention and structure type.It is not difficult to manage Solution, some technical characteristics in above-described embodiment can be omitted, displacement, exchanges or decompose recombinate, it is also possible to other function phases are same Part replacement, just as change a Chinese radical after just constitute other Chinese characters, restructuring can be decomposed completely.Example Such as：1. enter liquid interface, dropping funnel, the anti-courage formula shown in above-described embodiment rinse a bottle eropper, film valve, enclosed air guide mechanism, drop velocity modulation Save device, go out liquid interface ..., simply indicate that usual enter liquid interface, dropping funnel, anti-courage formula rinses a bottle eropper, film valve, enclosed air guide Mechanism, the fast adjuster of drop, go out liquid interface ... and wait necessary parts and can all use, be not secured to those patterns in accompanying drawing；At present Domestic disposable transfusion device producer just has hundreds of, and its product respectively has feature, and the present invention can not possibly one by one draw it, as long as Not touching other people legitimate rights and interests can use；2. both can be by shown in the reversible pump and Fig. 5 or Fig. 6 as shown in Fig. 2,3,7 or Figure 11 Lower row's pump exchange, can also be omitted；Also imitative courage formula as shown in figure 11 can be rinsed bottle eropper and/or the province of reversible pump 68 Slightly；And so on, these are all possible.Accordingly, it is to be understood that for even for the most common technical staff in this area, Can draw inferences about other cases from one instance completely after the contact present invention, or examining in aspects such as technical standard, production convenience, material costs Consider, and then some improvement and modification are made using basic conception of the invention, undoubtedly, these all fall within present invention protection model Within enclosing.Separately should be noted that a problem is, to prevent generating more raffinates, all be arranged on film valve under dropping funnel by relevant manufacturers Side, is deliberately set to above dropping funnel film valve after the technologies such as anti-raffinate of the invention and closed deflating blood are understood and grasped, this Also fall within the scope of the present application certainly a bit.

Claims (4)

1. a kind of disposable membrane type automatic flow-stop, liquidproof residual transfusion device, including enter liquid interface, dropping funnel, film valve, woven hose, Go out liquid interface and the fast adjuster of drop, it is characterised in that：It also includes lower row pump or reversible pump of the connection on woven hose；

Described lower row's pump be it is a kind of can will be arranged under raffinate in woven hose and be input into human body, and can collect, deposit from it top The manual one-way pump of interior angry bubble in woven hose；Described lower row's pump can supply nurse's hand by being arranged on woven hose below pars infrasegmentalis The spheroid of dynamic extruding pump liquid, spheroid inlet, tongue formula spheroid liquid outlet and it is separately positioned on the spheroid inlet, tongue formula spheroid and goes out Check-valves on liquid mouthful is constituted；

Described reversible pump be it is a kind of can will be arranged under raffinate in woven hose and be input into human body, and can collect, deposit from it top Interior angry bubble in woven hose, moreover it is possible to will collect and deposit the manual bidirectional pump that bubble is expelled in dropping funnel chamber upwards；Described reversible pump Can go out liquid for the spheroid of nurse's manual squeezing pump liquid, spheroid inlet, tongue formula spheroid by being arranged on woven hose below pars infrasegmentalis Mouth and the switch being separately positioned in the spheroid upper and lower fluid path are constituted；When described drop speed adjuster is located at spheroid top Fluid path on when, then omit spheroid top fluid path on the switch；Described reversible pump or by being arranged under woven hose epimere For the spheroid of nurse's manual squeezing pump liquid, spheroid inlet, tongue formula spheroid liquid outlet and can be arranged in the spheroid chamber below portion Travel core and the check-valves that is arranged on the tongue formula spheroid liquid outlet constituted；

Described tongue formula spheroid liquid outlet is that a kind of energy is put in sphere cavity middle part and is retracted into original position manually for nurse Extension type spheroid liquid outlet.

2. disposable membrane type automatic flow-stop according to claim 1, liquidproof remain transfusion device, it is characterised in that：It is described The raffinate that can be opened and closed for nurse and then can made in transfusion latter stage on the same day in woven hose epimere is provided with fluid path above woven hose Automatic-descending is simultaneously input into the controllable type fluid path Zai Tong mechanisms of human body.

3. disposable membrane type automatic flow-stop according to claim 2, liquidproof remain transfusion device, it is characterised in that：It is described Controllable type fluid path Zai Tong mechanisms are to be arranged on above film valve drain pipe liquid outlet or film valve chest and film valve in fluid path and are furnished with Switch can be opened and closed for nurse and then will can imported from top to bottom from the air purified in infusion bottle in transfusion latter stage on the same day defeated Liquid is intraluminal around film controllable type bypass type wireway；

Or can be opened for nurse to be opened on film valve drain pipe liquid outlet or film valve chest and equipped with purification of air part and opening and closing element, Close so can the same day transfusion latter stage by ambient atmosphere purified and it can be from top to bottom imported in transfusion lumen it is controllable Formula purification type air guide port；

Or to be arranged on film valve bottom wall the film valve drain pipe sleeve pipe that film valve drain pipe can be supplied closely to plant, the film valve drain pipe Can along the inwall of film valve drain pipe sleeve pipe it is upper and lower slide stretch, be reduced to the inlet of film valve drain pipe just with film valve insertion bottom wall Breakthrough status, and then the raffinate in film valve pocket can be made automatically into transfusion lumen in transfusion latter stage on the same day；

Or be able to can be supplied with the bottom insertion of film valve insertion and equipped with switch to be opened on film valve bottom wall and film valve drain pipe liquid outlet Nurse opens and closes, and then can make in transfusion latter stage on the same day external controllable in raffinate Automatic-descending to the transfusion lumen in film valve pocket Formula bypass type fluid guidance port；

Or can be opened and closed for nurse with the bottom insertion of film valve insertion and equipped with switch and then can be to be opened on film valve drain pipe Transfusion latter stage on the same day makes the built-in controllable formula bypass type fluid guidance port in raffinate Automatic-descending to the transfusion lumen in film valve pocket.

4. disposable membrane type automatic flow-stop according to claim 1,2 or 3, liquidproof residual transfusion device, it is characterised in that： A kind of described imitative courage formula of entering on liquid interface to be communicated with rinses a bottle eropper, the imitative courage formula rinse bottle eropper by reservoir, capsule pipe and The switch that capsule pipe can be opened and closed is constituted.