CN102727957A - Multi-bottle automatic continuous penetrating venous infusion apparatus - Google Patents
Multi-bottle automatic continuous penetrating venous infusion apparatus Download PDFInfo
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- CN102727957A CN102727957A CN2012102016185A CN201210201618A CN102727957A CN 102727957 A CN102727957 A CN 102727957A CN 2012102016185 A CN2012102016185 A CN 2012102016185A CN 201210201618 A CN201210201618 A CN 201210201618A CN 102727957 A CN102727957 A CN 102727957A
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- contactor
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- float valve
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- buoyancy aid
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Abstract
The invention provides a multi-bottle automatic continuous penetrating venous infusion apparatus which comprises a cork puncture outfit 1, an air filter 2, a hose 3, an observation window 4, a flow regulator 5 and an injection needle 6 of the present venous infusion apparatus, and is characterized in that: the parts containing a switch float valve cavity 7 and a circuit switch cavity 8 are additionally arranged in a venous infusion pipeline, and a solenoid valve 24 and an alarm 25 are mounted in parallel in a circuit related to the circuit switch cavity 8. The multi-bottle automatic continuous penetrating venous infusion apparatus can be used for realizing the automatic continuous penetration for multi-bottle liquid medicines without manual switching and automatically cutting off the venous infusion pipeline while alarming when the infusion of the liquid medicine in the tail bottle is ended. By using the multi-bottle automatic continuous penetrating venous infusion apparatus, the working strength of nursing personnel is greatly relieved, the nursing load of an infusion patient or nursing personnel is reduced, the generation of unforeseen circumstances is reduced, and the market developing value is higher.
Description
Affiliated technical field
The present invention relates to a kind of human vein transfusion device, belong to the medical apparatus and instruments production technical field.
Background technology
At present, hospital is carrying out to the patient in the venous transfusion process of many bottle liquid medicines, all is after having beaten one bottle, to have laid one bottle again, can't realize that many bottles connect automatically and beat.In case transfusion outpatient is more, the nurse is then exhaled to call out back and forth by the nurse personnel and runs, and workload heightens, and labor intensity is very high.In addition; In infusion process; Patient or patient nurse personnel often otherwise the time seeing the observation window of transfusion device, worry that medicinal liquid beaten and can not in time close flow regulator, cause the danger of blood back even vein blood vessel entering air; Increased nurse burden and mental pressure just for virtually patient or its nurse personnel, especially state of an illness patient heavier and that nobody looks after meets accident more easily.
Summary of the invention
Do not need the purpose of manual switching in order to realize connecting automatically of many bottle liquid medicines to beat; Can reduce nursing staff's working strength; Can exempt patient or its nurse personnel eyes again and always stare at the trouble of observation window; The invention provides a kind of can the realization and beat connecting automatically of many bottle liquid medicines, many bottles that can after last bottle liquid medicine is totally lost, in time cut off medicinal liquid pipeline and warning simultaneously again connect dozen intravenous transfusion device automatically.
The technical scheme that the present invention is adopted for its technical problem of solution is: a kind of many bottles connect dozen intravenous transfusion device automatically; Include bottle plug puncture unit 1, air filter 2, flexible pipe 3, observation window 4, flow regulator 5, injection needle 6, it is characterized in that: in the venous transfusion pipeline, installed additional and include switch float valve cavity 7, contactor cavity 8 at interior parts; The liquid outlet of the bottle plug puncture unit 1 of first bottle liquid medicine bottle is connected through the bottom of flexible pipe 3 with switch float valve cavity 7; The dividing plate 9 that switch float valve cavity 7 is offered through hole is divided into switch float valve upper chamber 10 and switch float valve lower cavity 11; Switch float valve upper float 12 is set in the middle of the switch float valve upper chamber 10; The end face of switch float valve upper float 12 posts soft adhesive piece 13; The liquid outlet of bottle plug puncture unit 1 is inserted at the top of switch float valve upper chamber 10; Buoyancy aid 14 under the switch float valve is set in the switch float valve lower cavity 11, is connected by connector 15 between the buoyancy aid 14 under switch float valve upper float 12 and the switch float valve, the bottom of switch float valve lower cavity 11 is communicated to the next i.e. bottom of second switch float valve cavity 7 of identical in structure through flexible pipe 3; The liquid outlet of bottle plug puncture unit 1 is inserted at upper chamber 10 tops of second switch float valve cavity 7, and lower cavity 11 bottoms of second switch float valve cavity 7 are communicated in the middle of the bottom of contactor cavity 8 through flexible pipe 3; The dividing plate 9 that contactor cavity 8 is offered through hole is divided into contactor upper chamber 16 and contactor lower cavity 17; Contactor upper float 18 is set in the contactor upper chamber 16; The end face of contactor upper float 18 posts soft adhesive piece 13 and end face is equipped with the nose bar 19 that passes contactor upper chamber 16 tops; Snakelike telescoping tube 20 of fixed installation on the top end of contactor upper chamber 16; Nose bar 19 passes snakelike telescoping tube 20 and becomes one with the top layer face of snakelike telescoping tube 20 after passing contactor upper chamber 16, and snakelike telescoping tube 20 top layer faces are equipped with air filtration pieces 21, and the top of contactor upper chamber 16 also is set with cover 22 under the safeguard protection cover; Safeguard protection cover cover 22 down is equipped with two switch wire posts 23; Two switch wire posts 23 respectively with circuit in electric wire be connected, electromagnetic valve 24 is in parallel installed with in circuit the upper end suit nose bar fit bar 26 of nose bar 19 with alarm 25; Switch is housed on the fulcrum 27 of nose bar fit bar 26 to be touched and closes lead 28; Switch wire post 23 be built up in switch touch close lead 28 under, safeguard protection cover down cover 22 puts cover 29 mutual fits with safeguard protection, is provided with buoyancy aid 30 under the contactor in the contactor lower cavity 17; Be connected by connector 15 between the buoyancy aid 30 under contactor upper float 18 and the contactor, the lower end of contactor lower cavity 17 is communicated with observation window 4 through flexible pipe 3; The flexible pipe 3 of observation window 4 belows passes the electric magnet 31 of electromagnetic valve 24 and the space between the adhesive bar 32, passes through flow regulator 5 again, finally is connected with injection needle 6.Under switch float valve upper float 12, the switch float valve under buoyancy aid 14, contactor upper float 18, the contactor buoyancy aid 30 be cylinder.Under switch float valve upper float 12, the switch float valve under buoyancy aid 14, contactor upper float 18, the contactor buoyancy aid 30 be cylinder and two circle rollers 33 up and down be housed in the cylinder side.Connector 15 under switch float valve upper float 12 and the switch float valve between the buoyancy aid 14, under contactor upper float 18 and the contactor between the buoyancy aid 30 is flexible cords.Connector 15 under switch float valve upper float 12 and the switch float valve between the buoyancy aid 14, under contactor upper float 18 and the contactor between the buoyancy aid 30 is chains.Connector 15 under switch float valve upper float 12 and the switch float valve between the buoyancy aid 14, under contactor upper float 18 and the contactor between the buoyancy aid 30 is the straight-bar parts that are articulated and connected, and last jointed shaft is mutually 90 ° of angles with following jointed shaft.Said alarm 25 is any in voice guard, visual alarm, vibration alarm, the wireless alarm.The combination in any body alarm that said alarm 25 is voice guard, visual alarm, vibration alarm, wireless alarm.
The invention has the beneficial effects as follows: can realize that many bottles of venous transfusion connect automatically and beat and do not need manual switching, and can when transfusion finishes, cut off infusion pipeline automatically and also send warning simultaneously.The present invention has greatly alleviated hospital care personnel's working strength, has also reduced patient or its nurse personnel nurse burden to infusion process, has reduced the generation of fortuitous event.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is that three bottle liquid medicines connect the product overall structure sketch map of beating of the present invention automatically.
Fig. 2 is being shaped as cylinder and the structural representation of two circle rollers 33 up and down being housed in the cylinder side of switch float valve upper float 12, contactor upper float 18.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is shaped as cylinder and the structural representation of two circle rollers 33 up and down is housed in the cylinder side for buoyancy aid 30 under buoyancy aid 14, the contactor under the switch float valve.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the front view of cavity dividing plate 9.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 for each part, safeguard protection cover in contactor cavity 8 and the cavity covering up and down and cover interior each part, contactor cavity and safeguard protection cover cover up and down between the sketch map of annexation.
Fig. 9 is that the A of Fig. 8 is to cutaway view.
The sketch map of Figure 10 each design of part and each part interconnected relationship when the employing straight-bar is articulated and connected between the buoyancy aid 30 between the buoyancy aid 14 under switch float valve upper float 12 and the switch float valve, under contactor upper float 18 and the contactor.
Figure 11 is the left view of Figure 10.
Figure 12 is the vertical view of Figure 10.
Among the figure, 1. bottle plug puncture unit, 2. air filter, 3. flexible pipe, 4. observation window, 5. flow regulator; 6. injection needle, 7. switch float valve cavity, 8. contactor cavity, 9. dividing plate, 10. switch float valve upper chamber, 11. switch float valve lower cavity; 12. switch float valve upper float, 13. soft adhesive pieces, buoyancy aid under the 14. switch float valves, 15. connectors, 16. contactor upper chamber, 17. contactor lower cavity; 18. the contactor upper float, 19. nose bars, 20. snakelike telescoping tubes, 21. air filtration pieces, 22. safeguard protection covers are cover down, 23. switch wire posts; 24. electromagnetic valve, 25. alarms, 26. nose bar fit bars, 27. fulcrums, 28. switches touch and close lead, cover on the 29. safeguard protection covers; 30. buoyancy aid under the contactor, 31. electric magnet, 32. adhesive bars, 33. rollers, 34. roller shaft supports, 35. straight-bars.
The specific embodiment:
Accompanying drawing 1 to accompanying drawing 12 has represented that jointly the present invention connects the specific embodiment of same embodiment under the situation of beating automatically at three bottle liquid medicines.Engage use step of the present invention specifically contrasts accompanying drawing 1 specific embodiments of the invention and is described further at present.
Accompanying drawing 1 is that three bottle liquid medicines connect automatically and beat and do not need many bottles of manual switching to connect automatically to make the intravenous transfusion device sketch map.After all set three bottle liquid medicines and inversion hang up properly, close flow regulator 5.Be inserted into bottle plug puncture unit 1 earlier in the first bottle liquid medicine bottle following of medicinal liquid.According to the principle that Water seeks its own level, medicinal liquid flows into earlier in the observation window 4, and then liquid level rises; Buoyancy aid 30 successively rises with contactor upper float 18 under the contactor in the middle of the contactor cavity 8; The top of the soft adhesive piece 13 applying contactor cavitys 8 on the end face of contactor upper float 18, thereby closed circuit switch cavity 8, this moment is along with the rising of nose bar 19; Switch touches and closes lead 28 and separate with switch wire post 23, and circuit breaks off.Medicinal liquid is again toward previous switch float valve cavity 7 also i.e. the 3rd switch float valve cavity 7 entering that the medicine bottle below is connecting; Buoyancy aid 14 successively rises with switch float valve upper float 12 under the switch float valve, fits and seals the fluid port of the bottle plug puncture unit 1 of its top until switch float valve upper float 12.According to same principle, the place ahead switch float valve cavity 7 also is that the switch float valve cavity 7 that second medicine bottle below connecting is closed, and so far, medicinal liquid stops to flow in pipeline.After medicinal liquid stops to flow, the bottle plug puncture unit 1 of second bottle liquid medicine is inserted in the middle of the second bottle liquid medicine bottle, the bottle plug puncture unit 1 of the 3rd bottle liquid medicine is inserted in the middle of the 3rd bottle liquid medicine bottle, many bottles connect automatically and buy venous transfusion and just can begin to have carried out.
Carry out many bottles and connect automatically when buying venous transfusion, open flow regulator 5, the first bottle liquid medicines earlier and just begin output.After first bottle liquid medicine is totally lost; Buoyancy aid 14 priority loss of buoyance under switch float valve upper float 12 in the switch float valve cavity 7 of second bottle liquid medicine below and the switch float valve; This moment is under the pullling of buoyancy aid deadweight; The fluid port of the bottle plug puncture unit 1 of second bottle liquid medicine is opened, and second bottle liquid medicine is then output automatically just.According to same principle, after second bottle liquid medicine was totally lost, the 3rd bottle liquid medicine was exported automatically.After the 3rd bottle liquid medicine is totally lost; Buoyancy aid 30 loss of buoyance and successively under contactor upper float 18 in the contactor cavity 8 and the contactor toward descending; 19 of nose bars that is connected with contactor upper float 18 drive switch and touch and close lead 28 and descend in the decline process; Switch touches and closes lead 28 and contact with switch wire post 23, thereby connects circuit.In circuit anastomosing moment, alarm 25 is reported to the police, and the electric magnet 31 adhesive adhesive bars 32 of electromagnetic valve 24 simultaneously will be stuck from the flexible pipe 3 that electric magnet 31 and adhesive bar 32 gaps are passed through, and lose liquid automatically for many bottles and also finish immediately.
In the present invention; The height of the fluid port of the bottle plug puncture unit 1 in the middle of each switch float valve upper chamber 10 all will be higher than the height of the fluid port of the bottle plug puncture unit 1 in the middle of the next switch float valve upper chamber 10, and the height of the fluid port of the bottle plug puncture unit 1 in the middle of the last switch float valve upper chamber 10 will be higher than the top of contactor upper chamber 16.In the middle of the present invention; Hanging buoyancy aid 14 under the switch float valve below each switch float valve upper float 12; Hanging buoyancy aid 30 under the contactor below the contactor upper float 18; The purpose of doing like this be the pull action through connector 15 be used for increasing to upper float in the cavity to lower pulling force; To prevent switch float valve upper float 12 firmly, prevent contactor upper float 18 firmly, thereby strengthened the reliability of transfusion by the top adhesive of contactor cavity 8 by the fluid port adhesive of the bottle plug puncture unit 1 of top.In the middle of the present invention; The length setting of connector 15 will be as the criterion with following principle: upper float falls to touching after the dividing plate 9; Following buoyancy aid also is unlikely to touch the bottom of lower cavity; Simultaneously, when upper float come-up touched fluid port or the cavity top of bottle plug puncture unit 1 of its top, following buoyancy aid was unlikely to run into dividing plate 9 again.Automatically connect the bottling mode of buying venous transfusion as long as abide by three bottles of the present invention, just can realize four bottles, five bottles, even connecting automatically of more bottle liquid medicines beats.
Claims (8)
1. more than one kind bottle connects dozen intravenous transfusion device automatically; Include bottle plug puncture unit (1), air filter (2), flexible pipe (3), observation window (4), flow regulator (5), injection needle (6), it is characterized in that: in the venous transfusion pipeline, installed additional and include switch float valve cavity (7), contactor cavity (8) at interior parts; The liquid outlet of the bottle plug puncture unit (1) of first bottle liquid medicine bottle is connected through the bottom of flexible pipe (3) with switch float valve cavity (7); The dividing plate (9) that switch float valve cavity (7) is offered through hole is divided into switch float valve upper chamber (10) and switch float valve lower cavity (11); Switch float valve upper float (12) is set in the middle of the switch float valve upper chamber (10); The end face of switch float valve upper float (12) posts soft adhesive piece (13); The liquid outlet of bottle plug puncture unit (1) is inserted at the top of switch float valve upper chamber (10); Buoyancy aid under the switch float valve (14) is set in the switch float valve lower cavity (11), is connected by connector (15) between the buoyancy aid (14) under switch float valve upper float (12) and the switch float valve, the bottom of switch float valve lower cavity (11) is communicated to the next i.e. bottom of second switch float valve cavity (7) of identical in structure through flexible pipe (3); The liquid outlet of bottle plug puncture unit (1) is inserted at upper chamber (10) top of second switch float valve cavity (7), and lower cavity (11) bottom of second switch float valve cavity (7) is in the middle of flexible pipe (3) is communicated to the bottom of contactor cavity (8); The dividing plate (9) that contactor cavity (8) is offered through hole is divided into contactor upper chamber (16) and contactor lower cavity (17); Contactor upper float (18) is set in the contactor upper chamber (16); The end face of contactor upper float (18) posts soft adhesive piece (13) and end face is equipped with the nose bar (19) that passes contactor upper chamber (16) top; A fixed installation snakelike telescoping tube (20) on the top end of contactor upper chamber (16); Nose bar (19) passes snakelike telescoping tube (20) and becomes one with the top layer face of snakelike telescoping tube (20) after passing contactor upper chamber (16); Snakelike telescoping tube (20) top layer face is equipped with air filtration pieces (21); The top of contactor upper chamber (16) also is set with under the safeguard protection cover cover (22), and safeguard protection cover cover (22) down is equipped with two switch wire posts (23), two switch wire posts (23) respectively with circuit in electric wire be connected; Electromagnetic valve (24) is in parallel installed with in circuit with alarm (25); The upper end suit nose bar fit bar (26) of nose bar (19) is equipped with switch and touches and close lead (28) on the fulcrum (27) of nose bar fit bar (26), switch wire post (23) be built up in switch touch close lead (28) under; Safeguard protection cover cover (22) down puts cover (29) fit mutually with safeguard protection; Be provided with buoyancy aid under the contactor (30) in the contactor lower cavity (17), be connected by connector (15) between the buoyancy aid (30) under contactor upper float (18) and the contactor, the lower end of contactor lower cavity (17) is communicated with observation window (4) through flexible pipe (3); The flexible pipe (3) of observation window (4) below passes the electric magnet (31) of electromagnetic valve (24) and the space between the adhesive bar (32), passes through flow regulator (5) again, finally is connected with injection needle (6).
2. many bottles according to claim 1 connect automatically and beat intravenous transfusion device, it is characterized in that: under switch float valve upper float (12), the switch float valve under buoyancy aid (14), contactor upper float (18), the contactor buoyancy aid (30) be cylinder.
3. many bottles according to claim 1 connect automatically and beat intravenous transfusion device, it is characterized in that: under switch float valve upper float (12), the switch float valve under buoyancy aid (14), contactor upper float (18), the contactor buoyancy aid (30) be cylinder and two circle rollers (33) up and down be housed in the cylinder side.
4. many bottles according to claim 1 connect automatically and beat intravenous transfusion device, it is characterized in that: the connector (15) under switch float valve upper float (12) and the switch float valve between the buoyancy aid (14), under contactor upper float (18) and the contactor between the buoyancy aid (30) is a flexible cord.
5. many bottles according to claim 1 connect automatically and beat intravenous transfusion device, it is characterized in that: the connector (15) under switch float valve upper float (12) and the switch float valve between the buoyancy aid (14), under contactor upper float (18) and the contactor between the buoyancy aid (30) is a chain.
6. many bottles according to claim 1 connect dozen intravenous transfusion device automatically; It is characterized in that: the connector (15) under switch float valve upper float (12) and the switch float valve between the buoyancy aid (14), under contactor upper float (18) and the contactor between the buoyancy aid (30) is the straight-bar part that is articulated and connected, and last jointed shaft is mutually 90 ° of angles with following jointed shaft.
7. many bottles according to claim 1 connect automatically and beat intravenous transfusion device, it is characterized in that: said alarm (25) is any in voice guard, visual alarm, vibration alarm, the wireless alarm.
8. many bottles according to claim 1 connect dozen intravenous transfusion device automatically, and it is characterized in that: said alarm (25) is the combination in any body alarm of voice guard, visual alarm, vibration alarm, wireless alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201618.5A CN102727957B (en) | 2012-06-06 | 2012-06-06 | Multi-bottle automatic continuous penetrating venous infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201618.5A CN102727957B (en) | 2012-06-06 | 2012-06-06 | Multi-bottle automatic continuous penetrating venous infusion apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN102727957A true CN102727957A (en) | 2012-10-17 |
| CN102727957B CN102727957B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210201618.5A Expired - Fee Related CN102727957B (en) | 2012-06-06 | 2012-06-06 | Multi-bottle automatic continuous penetrating venous infusion apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973997A (en) * | 2012-12-28 | 2013-03-20 | 唐敏峰 | Multifunctional venous infusion apparatus |
| CN103877637A (en) * | 2014-02-19 | 2014-06-25 | 浙江大学 | Disposable passive intravenous infusion apparatus with multi-bag continuous injection pause function |
| WO2014121677A1 (en) * | 2013-02-08 | 2014-08-14 | Gong He | Electric multi-bottle infusion apparatus |
| CN105641772A (en) * | 2016-03-24 | 2016-06-08 | 朱勇 | Dual-plastic-needle automatic-continuing infusion apparatus |
| US9724464B2 (en) | 2014-06-30 | 2017-08-08 | Carefusion 303, Inc. | Passive restart Y-site |
| US9731070B2 (en) | 2014-06-30 | 2017-08-15 | Carefusion 303, Inc. | Passive start drip chamber |
| CN107519555A (en) * | 2017-09-27 | 2017-12-29 | 孙永 | A kind of medical infusion automatic decanting device |
| 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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| WO1992007595A1 (en) * | 1990-10-26 | 1992-05-14 | Parreno Rey Antonio | System for parenteral infusion with automatic bottle change |
| CN2145612Y (en) * | 1992-12-08 | 1993-11-10 | 谢利权 | Infusion apparatus adapted for automatic and continuous transporting multiple bottles of liquid medicine |
| US6485454B1 (en) * | 2000-10-13 | 2002-11-26 | Edward Yang | Automatic infusion set for continuously infusing liquid medicine of double bottles |
| CN2638741Y (en) * | 2003-07-25 | 2004-09-08 | 宁夏大学 | Continuous transfusion system |
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2012
- 2012-06-06 CN CN201210201618.5A patent/CN102727957B/en not_active Expired - Fee Related
Patent Citations (4)
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| WO1992007595A1 (en) * | 1990-10-26 | 1992-05-14 | Parreno Rey Antonio | System for parenteral infusion with automatic bottle change |
| CN2145612Y (en) * | 1992-12-08 | 1993-11-10 | 谢利权 | Infusion apparatus adapted for automatic and continuous transporting multiple bottles of liquid medicine |
| US6485454B1 (en) * | 2000-10-13 | 2002-11-26 | Edward Yang | Automatic infusion set for continuously infusing liquid medicine of double bottles |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973997A (en) * | 2012-12-28 | 2013-03-20 | 唐敏峰 | Multifunctional venous infusion apparatus |
| CN102973997B (en) * | 2012-12-28 | 2014-04-30 | 唐敏峰 | Multifunctional venous infusion apparatus |
| WO2014121677A1 (en) * | 2013-02-08 | 2014-08-14 | Gong He | Electric multi-bottle infusion apparatus |
| CN104487107A (en) * | 2013-02-08 | 2015-04-01 | 宫鹤 | Electric multi-bottle infusion apparatus |
| CN103877637A (en) * | 2014-02-19 | 2014-06-25 | 浙江大学 | Disposable passive intravenous infusion apparatus with multi-bag continuous injection pause function |
| CN103877637B (en) * | 2014-02-19 | 2016-03-30 | 浙江大学 | Suspendable disposable passive intravenous transfusion device is beaten by many bags of companies |
| US9731070B2 (en) | 2014-06-30 | 2017-08-15 | Carefusion 303, Inc. | Passive start drip chamber |
| US9724464B2 (en) | 2014-06-30 | 2017-08-08 | Carefusion 303, Inc. | Passive restart Y-site |
| AU2015284634B2 (en) * | 2014-06-30 | 2019-06-27 | Carefusion 303, Inc. | Passive restart Y-site |
| US10335544B2 (en) | 2014-06-30 | 2019-07-02 | Carefusion 303, Inc. | Passive restart Y-site |
| US10653832B2 (en) | 2014-06-30 | 2020-05-19 | Carefusion 303, Inc. | Passive start drip chamber |
| US11383033B2 (en) | 2014-06-30 | 2022-07-12 | Carefusion 303, Inc. | Passive restart Y-site |
| US11439751B2 (en) | 2014-06-30 | 2022-09-13 | Carefusion 303, Inc. | Passive start drip chamber |
| CN105641772A (en) * | 2016-03-24 | 2016-06-08 | 朱勇 | Dual-plastic-needle automatic-continuing infusion apparatus |
| CN107519555A (en) * | 2017-09-27 | 2017-12-29 | 孙永 | A kind of medical infusion automatic decanting device |
| CN107519555B (en) * | 2017-09-27 | 2020-09-04 | 汤星宇 | Automatic bottle changing device for medical infusion |
| 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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| CN102727957B (en) | 2014-05-14 |
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Granted publication date: 20140514 Termination date: 20180606 |