CN103877637A - Disposable passive intravenous infusion apparatus with multi-bag continuous injection pause function - Google Patents
Disposable passive intravenous infusion apparatus with multi-bag continuous injection pause function Download PDFInfo
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- CN103877637A CN103877637A CN201410055125.4A CN201410055125A CN103877637A CN 103877637 A CN103877637 A CN 103877637A CN 201410055125 A CN201410055125 A CN 201410055125A CN 103877637 A CN103877637 A CN 103877637A
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Abstract
The invention discloses a disposable passive intravenous infusion apparatus with a multi-bag continuous injection pause function. The disposable passive intravenous infusion apparatus comprises a plurality of infusion bags, bottle stopper puncture devices, air filter tubes, a four-way connector, infusion pause devices, a Murphy drip kettle, a liquid filter, an infusion tube, a wheel clamping flow regulator, a scalp needle and a multi-bag liquid suspension bracket. A top hole, upper/lower side holes and a bottom hole are formed in the four-way connector which is of a cuboid structure, the upper/lower side holes are provided with check valves, and the infusion bags which are suspended at different altitudes are connected with the different holes of the four-way connector by the respective bottle stopper puncture devices. The disposable passive intravenous infusion apparatus has the advantages that intravenous infusion liquid in the multiple bags can be automatically, passively and continuously injected into a patient by the aid of static pressures of different liquid levels; a passive multi-bag continuous injection solution follows the structure and a service method of a mainstream disposable intravenous infusion apparatus to the greatest extent, and the disposable passive intravenous infusion apparatus is safe and reliable, and is low in cost and convenient to use and popularize; requirements of the patient on infusion pause and physical activities for settling physiological needs can be met by the PVC (polyvinyl chloride) infusion pause devices which are of butt nut and screw structures.
Description
Technical field
The present invention relates to the technology category of disposable intravenous infusion set, relate in particular to many bags of companies and beat suspendable disposable passive intravenous transfusion device.
Background technology
One of major technique of administration when venous transfusion is clinical treatment, in emergency treatment, wound situation, one preferred technique especially; Medical statistics data point out, 90% ~ 95% inpatient need carry out infusion.Intravenous transfusion device has puncture, conveying, metering, adjusting, filtration, connection, air inlet function, should also provide if desired after-teeming function.Common intravenous transfusion device conventionally drips kettle, liquid medicine filter, tube for transfusion, wheel folder flow regulator, scalp acupuncture and coupling by protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, exhaustor, Mo Feishi and forms, and inputs medicinal liquid by the liquid level difference pressure of medical liquid container and patient's transfusion part in patient body.In smelting treatment, widely used disposable intravenous infusion set starts from the U.S. of the sixties, introduces China in the eighties; Disposable intravenous infusion set adopts the manufacture of medical aseptic macromolecular material, ethane via epoxyethane sterilizing, be aseptic, nontoxic, without the medical device of pyrogen; The latex tubing intravenous transfusion device of disposable intravenous infusion set before be a large technological progress, not only safe and reliable, simple and easy to do, infusion reaction is few, and have and imitate solution Long phase of having determined and perplex the cross infection difficult problem of medical profession.2010, the disposable intravenous infusion set output of China surpassed 13,000,000,000, Year's consumption up to more than 50 hundred million, was the widest, the maximum disposable medical instrument of quantity of range of application.
Along with being widely used of disposable intravenous infusion set, it is not enough and defect also appears gradually: in the overall process of intravenous drip, medical personnel and accompany and attend to and patient whether must observe at any time the drip velocity of medicinal liquid suitable, infuse and whether complete; Obviously, plodding control has increased the weight of medical personnel and has accompanied and attended to and bear with patient's psychology physiological.Have benefited from improvement and the maturation of disposable intravenous infusion set production technology, controllability and the stability of drip velocity become better and approaching perfection day by day.But there is no so far the simple effective solution of " whether transfusion completes ", especially face the venous transfusion of many bags of medicinal liquids, to be that many bags of companies beat unavoidable in process, repeatedly when the long-time observation mission of " whether transfusion completes ", very easily cause medical personnel and accompany and attend to and patient's observation carelessness; Carelessness not only causes the delay of patient process, and the life security of very easily bringing out malpractice, even jeopardizing patient.There is intrinsic defect in the venous transfusion mode of many bags of medicinal liquids of artificial monitoring, urgently improves; Since the many bags of times that venous transfusion is required, the physiological time upper limit that far super majority is accompanied and attended to and patient keeps attention collected state to reach.
The end of the eighties in last century, developed country hand propelled intravenous delivery system problem, successively obtains a series of achievements: as K-120 infusion pump, the GeminiPC-ZTX of the USA I/M ED company type transfusion device of the TOP-7100 type infusion pump of Japanese TOP Co., Ltd., German KNAUER company; The said goods function admirable, complete function, but product expensive, O&M workload is large and expense is high; Therefore, except ICU, be difficult to find its trace.Domestic correlational study can trace back to the mechanical type infusion bottle liquid-level detecting method [Yu Xiangying, the development of novel spring infusion alarm and application [J], nursing research, 2003,17 (9): 1010] of research worker proposition in 85 years; At present, still there is larger gap in the aggregate level of domestic intravenous delivery system and commercialized degree and developed country.
Pick up rope patent autograph with " transfusion device ", invention/practicality/appearance patent amounts to 406/2843/ 88, numerous patents can obtain practical application but seldom, reach the few especially of extensive use; Disposable intravenous infusion set is seemingly simple, and the innovation that realizes approval in the industry improves real non-Yi Shi.Innovating improved foundation stone is the real demand that meets medical personnel and patient, excavate extract user the most urgent most worthy demand and properly settle it; On the other hand, the innovation of disposable intravenous infusion set must be pragmatic, while improving design, must face all multi-constraint conditions.First, the annual consumption of a veins transfusion device is hundreds of millions of, cost is relatively cheap, total satisfaction user still can; Improve therefore significantly promote any innovation of disposable intravenous infusion set cost, will be difficult to obtain the approval of patient and administration section.Secondly, disposable intravenous infusion set is medical apparatus and instruments, and innovation improves and will stop in principle, at least will reduce as far as possible with medicine and have the new material adnexa contacting; Because the inspection of the medical safety of new material adnexa is wasted time and energy, expense is high, the careless slightly vertical root of body that will involve venous transfusion--medical safety bottom line.The 3rd, the maximum technical advantage that disposable intravenous infusion set is often ignored is simple and easy to do and safe and reliable: based on the simplest liquid level difference pressure principle transfusion; When medical personnel use disposable intravenous infusion set, without third-party technical support, its simple and easy to do advantage comes from the passive feature of disposable intravenous infusion set.Therefore, common infrared/ultrasound wave/laser/electric capacity/strain gauge resistance etc. detects the disposable transfusion device patented technology of drop (face), says feasible from technological layer; Obtaining approval is in the industry another the same thing completely.Described detection technique has promoted medical personnel and has accompanied and attended to and experience with patient's transfusion, also bring a series of problem: infrared/ultrasound wave/laser/electric capacity/strain gauge resistance detection technique is active simultaneously, by making, the simple and easy to do advantage of disposable intravenous infusion set is all gone--and numerous and diverse power supply/holding wire and newly-increased electronic unit have increased complexity, reliability decrease, and the introducing of electric shock hidden danger point will cause safety index to decline; Active detection technique needs third-party professional technique support, management difficulty and patient's spending of medical institutions are strengthened, even if be the most simply, also the also difficult transfusion room that successfully infiltrates into medical institutions of Level Detection (as the wireless transfusion monitoring system of intelligent transfusion surveillance, Hangzhou Freer Sci & Tech Co., Ltd. of Hangzhou Ti Ge scientific & technical corporation) based on spring weighing medicated bag weight principle proposing at first, benefit and expense will be comprehensively weighed in the choice of technology after all, the technical prospect that benefit is limited, cost is high (fault rate is higher, difficult in maintenance) causes anxiety.
At present, only have a small amount of intellectual property achievement to set foot in the transfusion device that many bags of companies beat, more representational intellectual property Summary on research results is as follows:
Patent of invention " intravenous transfusion device " (patent No. ZL201210083515.3), propose in the time of the continuous automatic infusion of many bottle liquid medicines, the bottle plug puncture unit fluid port of every bottle liquid medicine all adds loaded check valve or switch float valve, and installs again circuit switchgear additional after the switch float valve of last bottle liquid medicine; Realize automatically connecting of many bottle liquid medicines and beat, when last bottle liquid medicine transfusion finishes, automatically cut off infusion pipeline.
Patent of invention " many bottles connect dozen intravenous transfusion device automatically " (application number 201210201618.5), propose in venous transfusion pipeline, to install additional and include switch float valve cavity, contactor cavity at interior parts, with the related circuit of contactor cavity in be installed in parallel electromagnetic valve; Realize automatically connecting of many bottle liquid medicines and beat, when last bottle liquid medicine transfusion finishes, automatically cut off infusion pipeline.
Above-mentioned benefiting our pursuits, has proposed many bottles of companies and has beaten the demand of intravenous transfusion device and meet the intravenous transfusion device framework of this demand, has certain reference value, still has limitation but explore achievement.Therefore, be necessary to base oneself upon existing disposable intravenous infusion set, in the constraints framework that improves disposable intravenous infusion set, do deep research: under passive prerequisite, design the many bags of disposable intravenous infusion sets that company beats, and the end of end bag venous transfusion is still completed by manual observation; Although venous transfusion is experienced the intravenous transfusion device cutting off not as good as automatically, observe the venous transfusion process of a bag within the competent scope of manpower.Must be pointed out, the time >2h of venous transfusion beats in many bags of companies; If patient need suspend transfusion, movable body and drives and solve the inconvenience of psychological need stylishness when single bag of venous transfusion, the intravenous transfusion device that many bags of companies beat arranges and allows patient to suspend venous transfusion, movable body to drive the device that solves psychological need and be absolutely necessary; If not the practical value that, disposable intravenous infusion set is beaten by many bags of companies will be had a greatly reduced quality.
summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of many bags of companies to beat suspendable disposable passive intravenous transfusion device.
Many bags of companies beat suspendable disposable passive intravenous transfusion device and comprise that Fei Shi does not drip kettle, liquid medicine filter, tube for transfusion, wheel folder flow regulator, scalp acupuncture, the first transfusion bag, the first bottle plug puncture unit, the first air filter tube, the second transfusion bag, the second bottle plug puncture unit, the second air filter tube, the 3rd transfusion bag, the 3rd bottle plug puncture unit, the 3rd air filter tube, four-way connector, suspends infusion set, female end, male end, many bags of medicinal liquid hanger brackets, four-way adapter adopts rectangular structure, and four-way connector comprises topped hole, upper-side hole, lower-side hole, hole, bottom, the first check valve, the second check valve, four-way connector top is provided with topped hole, four-way connector bottom is provided with hole, bottom, four-way connector upside is provided with upper-side hole, upper-side hole place is provided with the first check valve, four-way connector downside is provided with lower-side hole, lower-side hole place is provided with the second check valve, the first check valve and the second check valve are along pressing PVC thin slice structure on inner side, the first transfusion bag is provided with the first bottle plug puncture unit, and the first bottle plug puncture unit bottom is provided with the first air filter tube, and the second transfusion bag is provided with the second bottle plug puncture unit, the second bottle plug puncture unit bottom is provided with the second air filter tube, and the 3rd transfusion bag is provided with the 3rd bottle plug puncture unit, the 3rd bottle plug puncture unit bottom is provided with the 3rd air filter tube, scalp acupuncture, suspend infusion set, wheel folder flow regulator, tube for transfusion, liquid medicine filter, Fei Shi does not drip kettle, hole, bottom is connected in turn, and topped hole is connected with the first transfusion bag, and upper-side hole is connected with the second transfusion bag, and lower-side hole is connected with the 3rd transfusion bag.Described four-way connector adopts medical aseptic macromolecule PVC material.
Many bags of described medicinal liquid hanger brackets adopt on wheeled chassis, base support are set, the hanging point that support is provided with three differing heights articulates for transfusion bag: the first hanging point, the second hanging point and the 3rd hanging point articulate for the first transfusion bag, the second transfusion bag and the 3rd transfusion bag respectively, when the first transfusion bag accesses the first hanging point, the bottom of the first transfusion bag is higher than the second hanging point, when the second transfusion bag accesses the first hanging point, the bottom of the second transfusion bag is higher than the 3rd hanging point.
Described time-out infusion set be PVC to connected nut screw, comprise female end and male end; Female end is connected with wheel folder flow regulator, and male end is connected with scalp acupuncture; PVC comprises inner cone aperture and the male-pipe interface of standard syringe tapering to the docking screw of connected nut screw, the outer cone and the clamp nut that match in inner cone aperture, male-pipe interface one end, the male-pipe interface other end is with the joint connecting hose of the anti-cone matching with flexible pipe, the seal cover of the outer conehead that band is identical with aperture tapering in internal taper hole lid.
Many bags of companies beat suspendable disposable passive intravenous transfusion methods and comprise the steps:
1) the first transfusion bag venous transfusion working specification access routinely, when the liquid level that the first transfusion bag that and if only if enters normal venous transfusion state, four-way connector medicinal liquid rises to topped hole, access operation is played by the company that carries out the second transfusion bag, the 3rd transfusion bag; The conduit that the second bottle plug puncture unit inserts the second transfusion bag, the second bottle plug puncture unit is connected with the upper-side hole of four-way connector; The conduit that the 3rd bottle plug puncture unit inserts the 3rd transfusion bag, the 3rd bottle plug puncture unit is connected with the lower-side hole of four-way connector;
2) the first transfusion bag is in the time of venous transfusion state, the first check valve closure at lower-side hole place, observe the drip velocity that Fei Shi not drips kettle medicinal liquid, press from both sides flow regulator by doctor's advice regulating transfusion speed by wheel, the first transfusion bag is infused while end, the pressure of the second transfusion bag medicinal liquid is opened first check valve at upper-side hole place automatically, the pressure of the second transfusion bag medicinal liquid makes the second check valve closure at four-way connector lower-side hole place, enters the second transfusion bag transfusion state; The second transfusion bag transfusion finishes, the pressure of the 3rd transfusion bag medicinal liquid is opened second check valve at lower-side hole place automatically, enter the 3rd transfusion bag transfusion state, until transfusion finishes, when need suspending transfusion, movable body, patient in way drives while solving psychological need, first will take turns folder flow regulator pinch off, turn on time-out infusion set.
The present invention is compared with background technology, and the beneficial effect having is: by the four-way adapter of setting up, solved and automatically connecting in many bags of medicinal liquid venous transfusion processes beaten a difficult problem; Disposable intravenous infusion set framework and the using method that solution follows main flow to greatest extent beaten by many bags of companies, have advantages of dependable performance, with low cost, easy to use, be convenient to promote.The passive feature of solution, has not only got rid of the electric shock medical treatment hidden danger that active solution is possible; And have simple in structure, without third party's professional technique support advantage.The hommization that transfusion device is beaten by many bags of companies suspends infusion set, met patient and suspended the psychological need that transfusion, movable body are driven.
Brief description of the drawings
Fig. 1 is that suspendable disposable passive intravenous transfusion device structural representation is beaten by many bags of companies;
Fig. 2 is many bags of medicinal liquid hanging scaffold structure schematic diagrams of the present invention;
Fig. 3 (a) is the front view of four-way adapter schematic diagram of the present invention;
Fig. 3 (b) is the left view of four-way adapter schematic diagram of the present invention;
Fig. 4 (a) is the front view of time-out infusion set schematic diagram of the present invention;
Fig. 4 (b) is the left view of time-out infusion set schematic diagram of the present invention;
In figure, Fei Shi does not drip kettle 1, liquid medicine filter 2, tube for transfusion 3, wheel folder flow regulator 4, scalp acupuncture 5, the first transfusion bag 11, the first bottle plug puncture unit 12, the first air filter tube 13, the second transfusion bag 21, the second bottle plug puncture unit 22, the second air filter tube 23, the 3rd transfusion bag 31, the 3rd bottle plug puncture unit 32, the 3rd air filter tube 33, four-way connector 40, topped hole 41, upper-side hole 42, lower-side hole 43, hole, bottom 45, check valve 46, check valve 47, suspend infusion set 50, female end 51, male end 52, many bags of medicinal liquid hanger brackets 60, the first hanging point 61, the second hanging point 62, the 3rd hanging point 63.
Detailed description of the invention
Now by reference to the accompanying drawings technology path of the present invention is further described.Take into account the versatility of discussion and the terseness of description, now connect and beat as example expansion discussion with three bags of the highest medicinal liquids of frequency of utilization; Consider that switching between many bags of medicinal liquids depends on the liquid level differential static pressure between medicated bag to drive, and the hanger bracket height of venous transfusion being limited, is advisable in medicated bag number≤4 that therefore many bags of companies beat.
As shown in Fig. 1,3,4, many bags of companies beat suspendable disposable passive intravenous transfusion device and comprise that Fei Shi does not drip kettle 1, liquid medicine filter 2, tube for transfusion 3, wheel folder flow regulator 4, scalp acupuncture 5, the first transfusion bag 11, the first bottle plug puncture unit 12, the first air filter tube 13, the second transfusion bag 21, the second bottle plug puncture unit 22, the second air filter tube 23, the 3rd transfusion bag 31, the 3rd bottle plug puncture unit 32, the 3rd air filter tube 33, four-way connector 40, suspends infusion set 50, female end 51, male end 52, many bags of medicinal liquid hanger brackets 60, four-way adapter 40 adopts rectangular structure, four-way connector 40 comprises topped hole 41, upper-side hole 42, lower-side hole 43, hole, bottom 45, the first check valve 46, the second check valve 47, four-way connector top is provided with topped hole 41, four-way connector bottom is provided with hole, bottom 45, four-way connector upside is provided with upper-side hole 42, upper-side hole place is provided with the first check valve 46, four-way connector downside is provided with lower-side hole 43, lower-side hole place is provided with the second check valve 47, the first check valve 46 and the second check valve 47 are along pressing PVC thin slice structure on inner side, the first transfusion bag 11 is provided with the first bottle plug puncture unit 12, the first bottle plug puncture unit bottom is provided with the first air filter tube 13, the second transfusion bag 21 is provided with the second bottle plug puncture unit 22, the second bottle plug puncture unit bottom is provided with the second air filter tube 23, the 3rd transfusion bag 31 is provided with the 3rd bottle plug puncture unit 32, the 3rd bottle plug puncture unit bottom is provided with the 3rd air filter tube 33, scalp acupuncture 5, suspend infusion set 50, wheel folder flow regulator 4, tube for transfusion 3, liquid medicine filter 2, Fei Shi does not drip kettle 1, hole, bottom 45 is connected in turn, topped hole 41 is connected with the first transfusion bag 11, upper-side hole 42 is connected with the second transfusion bag 21, lower-side hole 43 is connected with the 3rd transfusion bag 31.Described four-way connector 40 adopts medical aseptic macromolecule PVC material.
Described time-out infusion set 50 for PVC to connected nut screw, comprise female end 51 and male end 52; Female end 51 is connected with wheel folder flow regulator 4, and male end 52 is connected with scalp acupuncture 5; PVC comprises inner cone aperture and the male-pipe interface of standard syringe tapering to the docking screw of connected nut screw, the outer cone and the clamp nut that match in inner cone aperture, male-pipe interface one end, the male-pipe interface other end is with the joint connecting hose of the anti-cone matching with flexible pipe, the seal cover of the outer conehead that band is identical with aperture tapering in internal taper hole lid.
As shown in Figure 2, many bags of described medicinal liquid hanger brackets 60 adopt on wheeled chassis, base support are set, the hanging point that support is provided with three differing heights articulates for transfusion bag: the first hanging point 61, the second hanging point 62 and the 3rd hanging point 63 articulate for the first transfusion bag 11, the second transfusion bag 21 and the 3rd transfusion bag 31 respectively, when the first transfusion bag 11 accesses the first hanging point 61, the bottom of the bottom of the first transfusion bag 11 while accessing the first hanging point 62 higher than the second hanging point 62, the second transfusion bag 21, the second transfusion bag 21 is higher than the 3rd hanging point 63.
Many bags of companies beat suspendable disposable passive intravenous transfusion methods and comprise the steps:
1) the first transfusion bag 11 venous transfusion working specification access routinely, when the liquid level that the first transfusion bag 11 that and if only if enters normal venous transfusion state, four-way connector 40 medicinal liquids rises to topped hole 41, access operation is played by the company that carries out the second transfusion bag 21, the 3rd transfusion bag 31; The second bottle plug puncture unit 22 inserts the second transfusion bag 21, the conduit of the second bottle plug puncture unit 22 and the upper-side hole 42 of four-way connector 40 and is connected; The 3rd bottle plug puncture unit 32 inserts the 3rd transfusion bag 31, the conduit of the 3rd bottle plug puncture unit 32 and the lower-side hole 43 of four-way connector 40 and is connected;
2) the first transfusion bag 11 is in the time of venous transfusion state, first check valve 46 closures at lower-side hole place, observe the drip velocity that Fei Shi not drips kettle 1 medicinal liquid, press from both sides flow regulator 4 by doctor's advice regulating transfusion speed by wheel, the first transfusion bag 11 is infused while end, the pressure of the second transfusion bag 21 medicinal liquids is opened first check valve 46 at upper-side hole place automatically, the pressure of the second transfusion bag medicinal liquid makes second check valve 47 closures at four-way connector 40 lower-side hole places, enters the second transfusion bag transfusion state; The second transfusion bag transfusion finishes, the pressure of the 3rd transfusion bag 31 medicinal liquids is opened second check valve 47 at lower-side hole place automatically, enter the 3rd transfusion bag transfusion state, until transfusion finishes, when need suspending transfusion, movable body, patient in way drives while solving psychological need, first will take turns folder flow regulator 4 pinch ofves, and turn on and suspend infusion set 50.
Claims (5)
1. suspendable disposable passive intravenous transfusion device is beaten by many bags of companies, it is characterized in that comprising that Fei Shi does not drip kettle (1), liquid medicine filter (2), tube for transfusion (3), wheel folder flow regulator (4), scalp acupuncture (5), the first transfusion bag (11), the first bottle plug puncture unit (12), the first air filter tube (13), the second transfusion bag (21), the second bottle plug puncture unit (22), the second air filter tube (23), the 3rd transfusion bag (31), the 3rd bottle plug puncture unit (32), the 3rd air filter tube (33), four-way connector (40), suspend infusion set (50), female end (51), male end (52), many bags of medicinal liquid hanger brackets (60), four-way adapter (40) adopts rectangular structure, four-way connector (40) comprises topped hole (41), upper-side hole (42), lower-side hole (43), hole, bottom (45), the first check valve (46), the second check valve (47), four-way connector top is provided with topped hole (41), four-way connector bottom is provided with hole, bottom (45), four-way connector upside is provided with upper-side hole (42), upper-side hole place is provided with the first check valve (46), four-way connector downside is provided with lower-side hole (43), lower-side hole place is provided with the second check valve (47), the first check valve (46) and the second check valve (47) are along pressing PVC thin slice structure on inner side, the first transfusion bag (11) is provided with the first bottle plug puncture unit (12), the first bottle plug puncture unit bottom is provided with the first air filter tube (13), the second transfusion bag (21) is provided with the second bottle plug puncture unit (22), the second bottle plug puncture unit bottom is provided with the second air filter tube (23), the 3rd transfusion bag (31) is provided with the 3rd bottle plug puncture unit (32), the 3rd bottle plug puncture unit bottom is provided with the 3rd air filter tube (33), scalp acupuncture (5), suspend infusion set (50), wheel folder flow regulator (4), tube for transfusion (3), liquid medicine filter (2), Fei Shi does not drip kettle (1), hole, bottom (45) is connected in turn, topped hole (41) is connected with the first transfusion bag (11), upper-side hole (42) is connected with the second transfusion bag (21), lower-side hole (43) is connected with the 3rd transfusion bag (31).
2. suspendable disposable passive intravenous transfusion device is beaten by many bags of companies of one according to claim 1, it is characterized in that, described four-way connector (40) adopts medical aseptic macromolecule PVC material.
3. suspendable disposable passive intravenous transfusion device is beaten by many bags of companies of one according to claim 1, it is characterized in that described many bags of medicinal liquid hanger brackets (60) adopt wheeled chassis, support is set on base, the hanging point that support is provided with three differing heights articulates for transfusion bag: the first hanging point (61), the second hanging point (62) and the 3rd hanging point (63) supply respectively the first transfusion bag (11), the second transfusion bag (21) and the 3rd transfusion bag (31) articulate, when the first transfusion bag (11) access the first hanging point (61), the bottom of the first transfusion bag (11) is higher than the second hanging point (62), when the second transfusion bag (21) access the first hanging point (62), the bottom of the second transfusion bag (21) is higher than the 3rd hanging point (63).
4. suspendable disposable passive intravenous transfusion device is beaten by many bags of companies of one according to claim 1, it is characterized in that described time-out infusion set (50) for PVC to connected nut screw, comprise female end (51) and male end (52); Female end (51) is connected with wheel folder flow regulator (4), and male end (52) is connected with scalp acupuncture (5); PVC comprises inner cone aperture and the male-pipe interface of standard syringe tapering to the docking screw of connected nut screw, the outer cone and the clamp nut that match in inner cone aperture, male-pipe interface one end, the male-pipe interface other end is with the joint connecting hose of the anti-cone matching with flexible pipe, the seal cover of the outer conehead that band is identical with aperture tapering in internal taper hole lid.
5. adopt many bags of companies of transfusion device as claimed in claim 1 to beat a suspendable disposable passive intravenous transfusion methods, it is characterized in that comprising the steps:
1) the first transfusion bag (11) venous transfusion working specification access routinely, when the liquid level that the first transfusion bag that and if only if (11) enters normal venous transfusion state, four-way connector (40) medicinal liquid rises to topped hole (41), access operation is played by the company that carries out the second transfusion bag (21), the 3rd transfusion bag (31); The second bottle plug puncture unit (22) inserts the second transfusion bag (21), the conduit of the second bottle plug puncture unit (22) and the upper-side hole (42) of four-way connector (40) and is connected; The 3rd bottle plug puncture unit (32) inserts the 3rd transfusion bag (31), the conduit of the 3rd bottle plug puncture unit (32) and the lower-side hole (43) of four-way connector (40) and is connected;
2) the first transfusion bag (11) is in the time of venous transfusion state, the first check valve (46) closure at lower-side hole place, observe the drip velocity that Fei Shi not drips kettle (1) medicinal liquid, press from both sides flow regulator (4) by doctor's advice regulating transfusion speed by wheel, the first transfusion bag (11) is infused while end, the pressure of the second transfusion bag (21) medicinal liquid is opened first check valve (46) at upper-side hole place automatically, the pressure of the second transfusion bag medicinal liquid makes the second check valve (47) closure at four-way connector (40) lower-side hole place, enters the second transfusion bag transfusion state; The second transfusion bag transfusion finishes, the pressure of the 3rd transfusion bag (31) medicinal liquid is opened second check valve (47) at lower-side hole place automatically, enter the 3rd transfusion bag transfusion state, until transfusion finishes, when need suspending transfusion, movable body, patient in way drives while solving psychological need, first will take turns folder flow regulator (4) pinch off, and turn on and suspend infusion set (50).
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| CN201410055125.4A CN103877637B (en) | 2014-02-19 | 2014-02-19 | Suspendable disposable passive intravenous transfusion device is beaten by many bags of companies |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104548271A (en) * | 2014-12-15 | 2015-04-29 | 深圳市恒德创新科技有限公司 | Infusion device and realizing method thereof |
| CN108671310A (en) * | 2018-05-25 | 2018-10-19 | 东莞市联洲知识产权运营管理有限公司 | A kind of choking device on infusion apparatus woven hose |
| CN108992740A (en) * | 2018-09-18 | 2018-12-14 | 苏州大学附属儿童医院 | It can be realized the bottle plug puncture unit and infusion apparatus of more bags of medical fluid sequential infusions |
| CN109010998A (en) * | 2018-09-29 | 2018-12-18 | 江苏齐耀生物科技有限公司 | A kind of disposable more bag type safety infusion apparatuses |
| CN109481778A (en) * | 2018-11-13 | 2019-03-19 | 河北医科大学第三医院 | Device for the connection of more bag injections |
| CN110090332A (en) * | 2019-05-23 | 2019-08-06 | 复旦大学附属中山医院青浦分院 | A kind of infusion apparatus increasing interface |
| CN112516412A (en) * | 2020-11-27 | 2021-03-19 | 江苏松泽医疗科技有限公司 | Puncture outfit |
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| CN109481778A (en) * | 2018-11-13 | 2019-03-19 | 河北医科大学第三医院 | Device for the connection of more bag injections |
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| CN112516412A (en) * | 2020-11-27 | 2021-03-19 | 江苏松泽医疗科技有限公司 | Puncture outfit |
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