CN103877637B - Suspendable disposable passive intravenous transfusion device is beaten by many bags of companies - Google Patents
Suspendable disposable passive intravenous transfusion device is beaten by many bags of companies Download PDFInfo
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- CN103877637B CN103877637B CN201410055125.4A CN201410055125A CN103877637B CN 103877637 B CN103877637 B CN 103877637B CN 201410055125 A CN201410055125 A CN 201410055125A CN 103877637 B CN103877637 B CN 103877637B
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Abstract
Suspendable disposable passive intravenous transfusion device is beaten by the open a kind of many bags of companies of the present invention.Transfusion device is by multiple transfusion bag, bottle plug puncture unit, air filter tube, and four-way connector, suspends infusion set, and Fei Shi does not drip kettle, liquid medicine filter, tube for transfusion, wheel folder flow regulator, scalp acupuncture and many bags of medicinal liquid hanger bracket compositions.Four connectors of rectangular structure establish topped hole, the up/down side opening of band check valve, hole, bottom, the transfusion bag that suspension height differs is connected from the different holes of four connectors by respective bottle plug puncture unit, and the automatic passive realizing many bags of medicinal liquid venous transfusions by different liquid level static pressure is even beaten; Disposable intravenous infusion set framework and the using method that solution follows main flow is to greatest extent beaten by passive many bags of companies, has safe and reliable, with low cost, easy to use, to be convenient to popularization advantage.Infusion set is suspended to the PVC of connected nut screw structural, can meet that patient suspends transfusion, movable body drives solution psychological need.
Description
Technical field
The present invention relates to the technology category of disposable intravenous infusion set, particularly relate 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, under emergency treatment, traumatic event, one preferred technique especially; Medical statistics data are pointed out, the inpatient of 90% ~ 95% need carry out infusion.Intravenous transfusion device has puncture, conveying, metering, adjustment, filtration, connection, air inlet function, should also provide after-teeming function if desired.Ordinary venous transfusion device drips kettle by protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, exhaustor, Mo Feishi usually, liquid medicine filter, tube for transfusion, wheel press from both sides flow regulator, scalp acupuncture and coupling and form, and the liquid level difference pressure by medical liquid container and patient fluid infusion position inputs medicinal liquid in patient body.In smelting treatment, widely used disposable intravenous infusion set starts from the U.S. of the sixties, introduces China then 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; Disposable intravenous infusion set comparatively before latex tubing intravenous transfusion device be a large technological progress, not only safe and reliable, simple and easy to do, infusion reaction is few, and has effect solution Long phase of having determined to perplex the cross infection difficult problem of medical profession.2010, the disposable intravenous infusion set output of China surpass 13,000,000,000, Year's consumption up to more than 50 hundred million, be the disposable medical instrument that range of application is the widest, quantity is maximum.
Along with widely using 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 the drip velocity of medicinal liquid at any time suitable, infuse and whether complete; Obviously, plodding control has increased the weight of medical personnel and has accompanied and attended to bear with the psychology physiological of patient.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 the simple effective solution of " whether transfusion completes " so far, especially the venous transfusion of many bags of medicinal liquids is faced, namely, when unavoidable in process, the long-time observation mission of repeatedly " whether transfusion completes " is beaten by many bags of companies, very easily cause medical personnel and accompany and attend to neglecting with the observation of patient; Carelessness not only causes the delay of patient process, and very easily brings out malpractice, even jeopardizes the life security of patient.There is intrinsic defect in the venous transfusion mode of artificial monitoring many bags of medicinal liquids, urgently improves; Because the time needed for many bags of venous transfusions, the physiological time upper limit that super majority far away is accompanied and attended to and patient keeps visual cognitive ability state to reach.
The end of the eighties in last century, developed country hand propelled intravenous delivery system problem, successively obtains a series of achievement: as K-120 infusion pump, the USA I/M ED company GeminiPC-ZTX 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 the large and expense of expensive, the maintenance work amount of product remains high; Therefore, except ICU, its trace is difficult to find.Domestic correlational study can trace back to the mechanical type infusion bottle liquid-level detecting method [Yu Xiangying, the Developing Application [J] of novel spring infusion alarm, Nursing graduate education, 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 patent can obtain practical application but seldom, reach the few especially of extensive use; Disposable intravenous infusion set is seemingly simple, and the innovation realizing admitting in the industry improves real non-Yi Shi.The foundation stone that innovation improves is the real demand meeting medical personnel and patient, namely excavates the demand extracting the most urgent most worthy of user and properly settles it; On the other hand, the innovation of disposable intravenous infusion set must be pragmatic, namely must face all multi-constraint conditions during Curve guide impeller.First, the total satisfaction of hundreds of millions of, the relative inexpensiveness of the annual consumption of a veins transfusion device, user still can; Therefore any innovation significantly promoting disposable intravenous infusion set cost improves, and will be difficult to the approval obtaining patient and administration section.Secondly, disposable intravenous infusion set is medical apparatus and instruments, and innovation improvement will stop in principle, at least will reduce the new material adnexa having with medicine and contact as far as possible; Because the medical safety inspection of new material adnexa is wasted time and energy costly, the careless slightly vertical root of body that will involve venous transfusion--medical safety bottom line.3rd, disposable intravenous infusion set is often simple and easy to do and safe and reliable by the maximum technical advantage of ignoring: based on the simplest liquid level difference pressure principle transfusion; Without the need to third-party technical support when medical personnel use disposable intravenous infusion set, 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 and admit in the industry, is another the same thing completely.Described detection technique improves medical personnel and accompanies and attends to and to experience with the transfusion of patient, 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 add 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, increase management difficulty and patient's spending of medical institutions, even if the most simply, be also Level Detection (intelligent transfusion surveillance, Hangzhou Freer Sci & Tech Co., Ltd. is wireless transfusion monitoring system as Hangzhou Ti Ge scientific & technical corporation) the also difficult transfusion room successfully infiltrating into medical institutions weighing medicated bag weight principle based on spring proposed at first, choosing comprehensively benefit and expense are wanted 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, the transfusion device only having a small amount of intellectual property achievement to set foot in many bags of companies to beat, more representational intellectual property Summary on research results is as follows:
Patent of invention " intravenous transfusion device " (patent No. ZL201210083515.3), propose when 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 circuit switchgear additional again after the switch float valve of last bottle liquid medicine; Realize beating automatically connecting of many bottle liquid medicines, at the end of last bottle liquid medicine transfusion, automatically cut off infusion pipeline.
Patent of invention " many bottles connect dozen intravenous transfusion device automatically " (application number 201210201618.5), propose to install additional in venous transfusion pipeline 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 beating automatically connecting of many bottle liquid medicines, at the end of last bottle liquid medicine transfusion, automatically cut off infusion pipeline.
Above-mentionedly to benefit our pursuits, propose many bottles of companies and beat the demand of intravenous transfusion device and meet the intravenous transfusion device framework of this demand, have certain reference value, but explore achievement and still there is limitation.Therefore, be necessary to base oneself upon existing disposable intravenous infusion set, in the constraints framework improving disposable intravenous infusion set, do deep research: under passive prerequisite, design the disposable intravenous infusion set that many bags of companies beat, and the end of last bag venous transfusion is still completed by manual observation; Although the intravenous transfusion device not as good as automatically cutting off experienced by venous transfusion, the venous transfusion process of observing a bag is competent within scope at manpower.Must be pointed out, the time >2h of venous transfusion beats in many bags of companies; If during single bag of venous transfusion, patient need suspend transfusion, movable body drives and solves the inconvenience of psychological need stylishness, the intravenous transfusion device that many bags of companies beat arranges and allows that patient suspends venous transfusion, movable body drives the device solving psychological need and is then 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 not Fei Shi and 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, suspend infusion set, female end, male end, many bags of medicinal liquid hanger brackets, four connectors adopt rectangular structure, and four-way connector comprises topped hole, upper-side hole, lower-side hole, hole, bottom, first check valve, second check valve, four-way connector top is provided with topped hole, four-way connector bottom is provided with hole, bottom, upper-side hole is provided with on the upside of four-way connector, upper-side hole place is provided with the first check valve, lower-side hole is provided with on the downside of four-way connector, lower-side hole place is provided with the second check valve, first check valve and the second check valve are along pressing PVC thin slice structure on inner side, 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, 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, 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 and arrange support, support is provided with the hanging point of three differing heights for transfusion bag mounting: the first hanging point, the second hanging point and the 3rd hanging point are respectively for the mounting of the first transfusion bag, the second transfusion bag and the 3rd transfusion bag, when first transfusion bag accesses the first hanging point, the bottom of the first transfusion bag 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 presss from both sides flow regulator with wheel and is connected, and male end is connected with scalp acupuncture; The docking screw of PVC to connected nut screw comprises inner cone aperture and the male-pipe interface of standard syringe tapering, the outer cone matched in inner cone aperture, male-pipe interface one end and clamp nut, the male-pipe interface other end, with the joint connecting hose of the inverted cone matched with flexible pipe, internal taper hole lid is with the seal cover of the outer conehead identical with aperture tapering for one.
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 first transfusion bag that and if only if enters normal venous transfusion state, the liquid level of four-way connector medicinal liquid rises to topped hole, carry out the second transfusion bag, the company of the 3rd transfusion bag plays access operation; Second bottle plug puncture unit inserts the second transfusion bag, the conduit of the second bottle plug puncture unit is connected with the upper-side hole of four-way connector; 3rd bottle plug puncture unit inserts the 3rd transfusion bag, the conduit of the 3rd bottle plug puncture unit is connected with the lower-side hole of four-way connector;
2) when the first transfusion bag is in venous transfusion state, first check valve at lower-side hole place closes, observe the drip velocity that not Fei Shi drips kettle medicinal liquid, by wheel folder flow regulator by doctor's advice regulating transfusion speed, at the end of first transfusion bag transfusion, first check valve at upper-side hole place opens by the pressure of the second transfusion bag medicinal liquid automatically, the pressure of the second transfusion bag medicinal liquid makes second check valve at four-way connector lower-side hole place close, and enters the second transfusion bag transfusion state; Second transfusion bag transfusion terminates, second check valve at lower-side hole place is opened by the pressure of the 3rd transfusion bag medicinal liquid automatically, enter the 3rd transfusion bag transfusion state, until transfusion terminates, when patient in way need suspend transfusion, movable body drive solve psychological need time, first by wheel folder flow regulator pinch off, turn on time-out infusion set.
The present invention is compared with background technology, and the beneficial effect had is: by four connectors set up, and solves and automatically connecting in many bags of medicinal liquid venous transfusion processes beats a difficult problem; Disposable intravenous infusion set framework and the using method that solution follows main flow is to greatest extent beaten by many bags of companies, have dependable performance, with low cost, easy to use, be convenient to the advantage promoted.The passive feature of solution, not only eliminates the electric shock medical treatment hidden danger that active solution is possible; And it is simple to have structure, without the need to the advantage that third party's professional technique is supported.The hommization time-out infusion set of transfusion device is beaten by many bags of companies, meets the psychological need that patient suspends transfusion, movable body drives.
Accompanying drawing explanation
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 connectors schematic diagrams of the present invention;
Fig. 3 (b) is the left view of four connectors schematic diagrams 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, first transfusion bag 11, first bottle plug puncture unit 12, first air filter tube 13, second transfusion bag 21, second bottle plug puncture unit 22, second air filter tube 23, 3rd transfusion bag 31, 3rd bottle plug puncture unit 32, 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, first hanging point 61, second hanging point 62, 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, the existing three bag medicinal liquids the highest for frequency of utilization connect plays expansion discussion; Considering that the switching between many bags of medicinal liquids depends on the liquid level differential static pressure between medicated bag to drive, and the hanger bracket limited height of venous transfusion, 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 not Fei Shi and drip kettle 1, liquid medicine filter 2, tube for transfusion 3, wheel folder flow regulator 4, scalp acupuncture 5, first transfusion bag 11, first bottle plug puncture unit 12, first air filter tube 13, second transfusion bag 21, second bottle plug puncture unit 22, 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 connectors 40 adopt rectangular structure, four-way connector 40 comprises topped hole 41, upper-side hole 42, lower-side hole 43, hole, bottom 45, first check valve 46, second check valve 47, four-way connector top is provided with topped hole 41, four-way connector bottom is provided with hole, bottom 45, upper-side hole 42 is provided with on the upside of four-way connector, upper-side hole place is provided with the first check valve 46, lower-side hole 43 is provided with on the downside of four-way connector, lower-side hole place is provided with the second check valve 47, first check valve 46 and the second check valve 47 are along pressing PVC thin slice structure on inner side, first transfusion bag 11 is provided with the first bottle plug puncture unit 12, first bottle plug puncture unit bottom is provided with the first air filter tube 13, second transfusion bag 21 is provided with the second bottle plug puncture unit 22, second bottle plug puncture unit bottom is provided with the second air filter tube 23, 3rd transfusion bag 31 is provided with the 3rd bottle plug puncture unit 32, 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 presss from both sides flow regulator 4 with wheel and is connected, and male end 52 is connected with scalp acupuncture 5; The docking screw of PVC to connected nut screw comprises inner cone aperture and the male-pipe interface of standard syringe tapering, the outer cone matched in inner cone aperture, male-pipe interface one end and clamp nut, the male-pipe interface other end, with the joint connecting hose of the inverted cone matched with flexible pipe, internal taper hole lid is with the seal cover of the outer conehead identical with aperture tapering for one.
As shown in Figure 2, many bags of described medicinal liquid hanger brackets 60 adopt on wheeled chassis, base and arrange support, support is provided with the hanging point of three differing heights for transfusion bag mounting: the first hanging point 61, second hanging point 62 and the 3rd hanging point 63 mount for the first transfusion bag 11, second transfusion bag 21 and the 3rd transfusion bag 31 respectively, when first transfusion bag 11 accesses the first hanging point 61, the bottom of the first transfusion bag 11 when accessing the first hanging point 62 higher than the second hanging point 62, second transfusion bag 21, the second transfusion bag 21 bottom 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 first transfusion bag 11 that and if only if enters normal venous transfusion state, the liquid level of four-way connector 40 medicinal liquid rises to topped hole 41, carry out the second transfusion bag 21, the company of the 3rd transfusion bag 31 plays access operation; The conduit that second bottle plug puncture unit 22 inserts the second transfusion bag 21, second bottle plug puncture unit 22 is connected with the upper-side hole 42 of four-way connector 40; 3rd bottle plug puncture unit 32 inserts the 3rd transfusion bag 31, the conduit of the 3rd bottle plug puncture unit 32 is connected with the lower-side hole 43 of four-way connector 40;
2) when the first transfusion bag 11 is in venous transfusion state, first check valve 46 at lower-side hole place closes, observe the drip velocity that not Fei Shi drips kettle 1 medicinal liquid, by wheel folder flow regulator 4 by doctor's advice regulating transfusion speed, at the end of first transfusion bag 11 is infused, first check valve 46 at upper-side hole place opens by the pressure of the second transfusion bag 21 medicinal liquid automatically, the pressure of the second transfusion bag medicinal liquid makes second check valve 47 at four-way connector 40 lower-side hole place close, and enters the second transfusion bag transfusion state; Second transfusion bag transfusion terminates, second check valve 47 at lower-side hole place is opened by the pressure of the 3rd transfusion bag 31 medicinal liquid automatically, enter the 3rd transfusion bag transfusion state, until transfusion terminates, when patient in way need suspend transfusion, movable body drive solve psychological need time, first by wheel folder flow regulator 4 pinch off, turn on and suspend infusion set 50.
Claims (3)
1. suspendable disposable passive intravenous transfusion device is beaten by many bags of companies, it is characterized in that comprising not Fei Shi and drip kettle (1), liquid medicine filter (2), tube for transfusion (3), wheel folder flow regulator (4), scalp acupuncture (5), first transfusion bag (11), first bottle plug puncture unit (12), first air filter tube (13), second transfusion bag (21), second bottle plug puncture unit (22), second air filter tube (23), 3rd transfusion bag (31), 3rd bottle plug puncture unit (32), 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 connector (40) adopts rectangular structure, four-way connector (40) comprises topped hole (41), upper-side hole (42), lower-side hole (43), hole, bottom (45), first check valve (46), second check valve (47), four-way connector top is provided with topped hole (41), four-way connector bottom is provided with hole, bottom (45), upper-side hole (42) is provided with on the upside of four-way connector, upper-side hole place is provided with the first check valve (46), lower-side hole (43) is provided with on the downside of four-way connector, lower-side hole place is provided with the second check valve (47), first check valve (46) and the second check valve (47) on inner side along pressing PVC thin slice, first transfusion bag (11) is provided with the first bottle plug puncture unit (12), first bottle plug puncture unit bottom is provided with the first air filter tube (13), second transfusion bag (21) is provided with the second bottle plug puncture unit (22), second bottle plug puncture unit bottom is provided with the second air filter tube (23), 3rd transfusion bag (31) is provided with the 3rd bottle plug puncture unit (32), 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 time-out infusion set (50) for PVC to connected nut screw, comprise female end (51) and male end (52), female end (51) presss from both sides flow regulator (4) with wheel and is connected, and male end (52) is connected with scalp acupuncture (5), the docking screw of PVC to connected nut screw comprises inner cone aperture and the male-pipe interface of standard syringe tapering, the outer cone matched in inner cone aperture, male-pipe interface one end and clamp nut, the male-pipe interface other end, with the joint connecting hose of the inverted cone matched with flexible pipe, internal taper hole lid is with the seal cover of the outer conehead identical with aperture tapering for one.
2. suspendable disposable passive intravenous transfusion device is beaten by one according to claim 1 many bags of companies, 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 one according to claim 1 many bags of companies, it is characterized in that many bags of described medicinal liquid hanger brackets (60) adopt wheeled chassis, base arranges support, support is provided with the hanging point of three differing heights for transfusion bag mounting: the first hanging point (61), second hanging point (62) and the 3rd hanging point (63) supply the first transfusion bag (11) respectively, second transfusion bag (21) and the mounting of the 3rd transfusion bag (31), when first transfusion bag (11) accesses the first hanging point (61), the bottom of the first transfusion bag (11) is higher than the second hanging point (62), when second transfusion bag (21) accesses the second hanging point (62), the bottom of the second transfusion bag (21) is higher than the 3rd hanging point (63).
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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 |
| CN110090332B (en) * | 2019-05-23 | 2024-02-06 | 复旦大学附属中山医院青浦分院 | Infusion apparatus capable of 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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