CN2577853Y - Infusion controller - Google Patents

Infusion controller Download PDF

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Publication number
CN2577853Y
CN2577853Y CN 02257951 CN02257951U CN2577853Y CN 2577853 Y CN2577853 Y CN 2577853Y CN 02257951 CN02257951 CN 02257951 CN 02257951 U CN02257951 U CN 02257951U CN 2577853 Y CN2577853 Y CN 2577853Y
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CN
China
Prior art keywords
circuit
transfusion
controller
tube
load cells
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Expired - Fee Related
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CN 02257951
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Chinese (zh)
Inventor
曹中华
荣朝阳
黄泽
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HOLDING BALWAN (SUZHOU) ELECTRONIC MEASURING TECHNOLOGY Co Ltd
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HOLDING BALWAN (SUZHOU) ELECTRONIC MEASURING TECHNOLOGY Co Ltd
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Abstract

The utility model relates to an infusion controller. The utility model is characterized in that the infusion controller comprises a monolithic computer, a weighting sensor, an analogue-to-digital conversion circuit, an input circuit and an alarm circuit, wherein, the weighting sensor is provided with a hook, the output end of the weighting sensor is connected to the input port of the monolithic computer after output signals of the weighting sensor are changed into digital signals through the analogue-to-digital conversion circuit, the input circuit which comprises input keys is connected with the other input port of the monolithic computer, and the output port of the monolithic computer is connected with the alarm circuit. The infusion controller has the advantages of low measurement environmental requirement, high precision and stable and reliable measurement. Meanwhile, the device forms a non-contact type, does not pollute the infusion liquid, can be suitable for various infusion purposes, such as physic liquid, blood, etc., and has convenient installation and operation. The infusion controller combines the functions of measuring, monitoring and controlling into one body, can realize the centralized control and management of a remote computer, and enhances the informatization degree of hospitals.

Description

The transfusion controller
Technical field
This utility model relates to a kind of medical auxiliary facilities, is specifically related to a kind of device that detects, reports to the police and control when being used to infuse.
Background technology
Traditional hospital's infusion model is an Attended mode, need family members to accompany and attend to during transfusion, perhaps constantly make an inspection tour, not only waste a large amount of manpowers by the nurse on the side, patient also can not get good rest, simultaneously, the nurse is difficult in time understand each patient's transfusion situation, particularly must in time use after some medicinal liquid configuration, the nurse can only look after families of patients, be passed to a half at last bottle liquid medicine, come to dispose next bottle liquid medicine, problem so very easily takes place.Blood back etc. when avoiding causing medicinal liquid to be totally lost because of entourage's general idea, people have developed some infusion alarms, be used for when transfusion closes to an end, sending alarm signal, this class device, usually adopt infrared or ultrasonic technology, when adopting infrared technique, carry out the stalagmometer number during by following naturally of liquid measure, when adopting ultrasonic technology, then carry out Level Detection, the shortcoming of these two kinds of technology is, precision is low, usually have only about 10%, and the transfusion state when detecting requires strictly, as require not have and block or rock etc.Simultaneously, this class device can only send chimes of doom in this locality usually, plays the effect of reminding monitoring person, still can't accomplish unmanned, can not close infusion pipeline automatically when transfusion finishes, and the nurse also can't intuitively understand each transfusion person's transfusion process.
Summary of the invention
This utility model purpose provides a kind of transfusion controller, can accurately show transfusion process situation, sends alarm signal imposing a condition.
The further purpose of this utility model is to make this transfusion controller can realize Centralized Monitoring, and automatically shuts down infusion pipeline when transfusion finishes.
For achieving the above object, the technical solution adopted in the utility model is: a kind of transfusion controller, comprise single-chip microcomputer, LOAD CELLS, mould/number conversion circuit, input circuit and warning circuit, described LOAD CELLS is provided with hook, the output of LOAD CELLS is connected to input of single chip after mould/the number conversion circuit conversion becomes digital signal, the input circuit that includes the input button is connected with another input port of single-chip microcomputer, is connected with warning circuit on the single machine output end.
In the technique scheme, described LOAD CELLS is generally strain chip LOAD CELLS, and described warning circuit comprises audible alarm circuit and optical alarm circuit.LOAD CELLS wherein mainly comprises following several form: the 1. parallel beam type of diplopore; 2. shear beam type; 3. double-shear beam type; 4. crooked beam type; 5. pillar; 6. S type; 7. spoke type, usually, can respectively connect a hook in the both sides up and down of LOAD CELLS, the hook of top is used for this device is suspended on the transfusion hook in ward, the hook of below then hangs for infusion bottle or bottle cover, and LOAD CELLS is converted to the signal of telecommunication with weight, after treated (can comprise amplification, shaping etc.) convert digital signal to, deliver to CPU (single-chip microcomputer) and handle, for warning, demonstration, control, transmission etc.
In the technique scheme, described audible alarm circuit can be buzzer, and easy to make, cost is low, certainly, also can adopt other tonequality phonation circuit preferably; Described optical alarm circuit is light emitting diode and protective resistance.Reliable and stable for assurance device work, single machine output end is connected with optical alarm circuit with described audible alarm circuit by buffer circuit, and described buffer circuit can be a photoelectrical coupler.
In the technique scheme, can also comprise display interface circuit and display device, display device is connected on the single machine output end by display interface circuit.
One, described display device are LCDs, and described display interface circuit is corresponding liquid crystal decoding and drive circuit.Because the fast development of lcd technology can show more information to make this device have more function on LCDs.
Its two, described display device is a plurality of 7 sections light-emitting diode assemblies, display interface circuit is light emitting diode decoding and drive circuit.
In the technique scheme, can also include communication interface, described communication interface is connected in single machine output end, and can communicate by letter with the corresponding interface cooperation of computer.Like this, by the transfusion weight signal that LOAD CELLS obtains, can be transmitted through the network in the computer, for Computer Processing, the nurse is sitting in the preceding infusion process that just can understand each sick bed of computer of night shift room.
Communication interface wherein can be 485 interfaces, and the advantage of being convenient to networking is arranged, and is provided with corresponding interface circuits between interface and single machine output end.Adopt 485 interfaces, simple in structure, simultaneously,, be convenient to networking owing to can directly connect between many interfaces of 485 mouthfuls, by network, computer can monitor, be provided with and control the arbitrary device in the network.
As communication interface, be convenient to setting and the control of computer with traditional 232 interfaces (serial ports), between interface and single machine output end, then be provided with corresponding interface circuits unitary device.
In the technique scheme, can also be provided with control executing mechanism, described control executing mechanism comprises that performance element is the flow-control structure of tube for transfusion by the drive circuit and the performance element of the control of single-chip microcomputer output port, flow-control when realizing transfusion and shutoff operation.Above-mentioned flow-control structure can realize with structures such as motor-driven cam structure, electromagnetic valve or motor-driven worm and gears.
When described performance element is the cam control structure, on housing, be provided with tube for transfusion and pass through groove, the next door is provided with motor-driven cam, cam is an eccentric wheel structure, cam separates by groove with tube for transfusion when common position, cam snaps in tube for transfusion by in the groove when control bit, can make the tube for transfusion in the groove be tightened shutoff, described drive circuit is a motor-drive circuit, motor can be motor or direct current generator, owing to adopt motor-driven, and in fact, can control screens degree, thereby realize automatic control flow velocity to tube for transfusion.
When described performance element was electromagnetic valve, tube for transfusion passed through the moving ferrum mechanism of electromagnetic valve, and electromagnetic valve is in opening during normal infusion, when amount of infusion arrives control bit, and solenoid closure, the chucking tube for transfusion turn-offs transfusion.
Because the technique scheme utilization, this utility model compared with prior art has following advantage:
1. because this utility model has adopted LOAD CELLS as the monitoring to the transfusion dose, thereby have and measurement environment is required low, measure stable, advantage reliably;
2. this utility model precision height, through applicant's test determination, precision can reach 0.1%;
3. this utility model is contactless, does not pollute institute's transfusion, and is applied widely, goes for various transfusion purposes such as medicinal liquid, blood;
4. this installation weight is light, and structure is small and exquisite, during use, only needs infusion bottle is hung on the hook, and is easy to install;
5. one is measured, monitored, is controlled in to this device collection, and instant information such as weight, flow velocity and remaining time can be provided;
6. this device can be realized the remote computer integrated control ﹠ management, improves the hospital information degree, accomplishes unmanned, and the nurse can understand each transfusion person's situation at night shift room, avoids unexpected and takes place.
Description of drawings
Accompanying drawing 1 is the circuit block diagram of this utility model embodiment one;
Accompanying drawing 2 is many schematic block diagrams that the control device networking is controlled by PC among the embodiment one;
Accompanying drawing 3 is the circuit theory diagrams of embodiment one;
Accompanying drawing 4 is the sketch map of embodiment one cam control structure;
Accompanying drawing 5 is the A-A cutaway view of Fig. 4;
Accompanying drawing 6 is the circuit theory diagrams of this utility model embodiment two;
Accompanying drawing 7 is the circuit theory diagrams of this utility model embodiment three.
Wherein: [1], housing; [2], tube for transfusion passes through groove; [3], motor; [4], cam.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment one: referring to accompanying drawing 1 to shown in the accompanying drawing 5, a kind of transfusion controller, comprise single-chip microcomputer, LOAD CELLS, mould/number conversion circuit, input circuit and warning circuit, described LOAD CELLS is the parallel beam type foil gauge of a diplopore LOAD CELLS, the LOAD CELLS above and below is respectively equipped with hook, the hook of top can be suspended on the existing transfusion hook in use, to fix this device, the hook of below substitutes existing transfusion hook and hangs and use for infusion bottle (or bottle cover), remainder can be provided with the LOAD CELLS split, device is in a housing, the output of LOAD CELLS is wired on the intravital circuit board of shell, after mould/the number conversion circuit conversion becomes digital signal, be connected to input of single chip, the input circuit that includes the input button is connected with another input port of single-chip microcomputer, is connected with warning circuit on the single machine output end.
In the present embodiment, shown in accompanying drawing 2, single-chip microcomputer IC 1Adopt AT89C51, serve as with ADS1240 and amplify and mould/number conversion circuit, by 6 soft-touch type press button S 1, S 3, S 4, S 5, S 6, S 7Be equipped with corresponding resistance, electric capacity, gate etc., constitute input circuit, realize different control levels, single-chip microcomputer IC 1Control signal is provided; Warning circuit and control circuit share a control line, with 4N33 photoelectrical coupler U 5With single-chip microcomputer IC 1Realize isolating, warning circuit comprises audible alarm circuit and optical alarm circuit, and wherein the audible alarm circuit is buzzer U 3, described optical alarm circuit is light emitting diode D 2And protective resistance R 10, described control circuit is the direct current generator power supply; Simultaneously, the exportable shows signal of single-chip microcomputer is connected with LCDs by display interface circuit SMC1601A.
In the present embodiment, be connected with 2 group communication interfaces in the gating mode, 485 mouthfuls interface driving circuit is MAX1483, and 232 mouthfuls interface driving circuit is MAX3232,2 output ports of both shared microcontrollers, and with 3 change-over switch S 2, S 8, S 9Realize switching gating.
In the present embodiment, also be provided with control executing mechanism, described control executing mechanism is the cam control structure, shown in accompanying drawing 3 and accompanying drawing 4, on housing, be provided with tube for transfusion by groove, the next door is provided with motor-driven cam, be eccentric wheel structure, cam separates by groove with tube for transfusion when common position, and cam snaps in tube for transfusion by in the groove when control bit, can make the tube for transfusion in the groove be tightened shutoff.Direct current generator is by Single-chip Controlling, when the signal indicating transfusion of LOAD CELLS closes to an end, warning circuit sends sound, light is reported to the police, simultaneously, direct current generator gets electronic work, cam rotates tube for transfusion is stuck, certainly, time-delay and breaking circuit is set in circuit for controlling motor can obtains better practical function.
The device of present embodiment can be realized networking easily, as having provided the schematic block diagram of networking in the accompanying drawing 2, a plurality of devices LTC1, LTC2, LTC3 ..., LTCn is connected with PC by bus, realize monitoring, control by PC, wherein, between bus and the PC communication converter can be set.
Embodiment two: shown in accompanying drawing 5, a kind of transfusion controller, comprise single-chip microcomputer, LOAD CELLS, mould/number conversion circuit, input circuit and warning circuit, described LOAD CELLS is for shearing the beam type LOAD CELLS, LOAD CELLS and circuit are integrally formed in the housing, the housing top is provided with hook, be suspended in use on the existing transfusion hook, to fix this device, the LOAD CELLS below is provided with hook, expose outside the housing, hang and use for infusion bottle (or bottle cover), the output of LOAD CELLS is connected to input of single chip after mould/the number conversion circuit conversion becomes digital signal, the input circuit that includes the input button is connected with another input port of single-chip microcomputer, is connected with warning circuit on the single machine output end.
In the present embodiment, shown in accompanying drawing 5, single-chip microcomputer IC 1Adopt GMS97C51, serve as with AD7705 and amplify and mould/number conversion circuit, by 6 soft-touch type press button S 2, S 3, S 4, S 5, S 6, S 7Be equipped with corresponding resistance R 9, R 10, R 11, R 12, R 17, R 18, constitute input circuit, realize different control levels, to single-chip microcomputer IC 1Control signals such as selection, startup, set, motor steering are provided; Warning circuit comprises audible alarm circuit and optical alarm circuit, and an output lead P1.7 of single-chip microcomputer provides the low level alarm signal, and optical alarm circuit is by light emitting diode D 2And protective resistance R 3Constitute, the audible alarm circuit is by photoelectrical coupler U 4Be connected to buzzer U 3Simultaneously, the exportable shows signal of single-chip microcomputer is connected with LCDs by display interface circuit SMC1604.
In the present embodiment, be connected with 2 group communication interfaces, 485 mouthfuls interface driving circuit is MAX1483, and 232 mouthfuls interface driving circuit is MAX3232,2 output ports of both shared microcontrollers, change-over switch S 1Provide switch-over control signal to single-chip microcomputer.
In the present embodiment, also be provided with the cam control structure, control structure identical with embodiment one, its motor control signal is provided by the P1.5 foot of single-chip microcomputer, and by key switch S 6The backward rotation signal is provided,, realizes the break-make control of tube for transfusion by isolating and the rotation of drive circuit S19986 control motor.
Embodiment three: shown in accompanying drawing 6, a kind of transfusion controller, comprise single-chip microcomputer, LOAD CELLS, input circuit and warning circuit, described LOAD CELLS is the parallel beam type formula of a diplopore LOAD CELLS, LOAD CELLS and circuit are integrally formed in the housing, the housing top is provided with hook, be suspended in use on the existing transfusion hook, to fix this device, the LOAD CELLS below is provided with hook, exposes outside the housing, hang and use for infusion bottle (or bottle cover), the output of LOAD CELLS is connected to input of single chip, and the input circuit that includes the input button is connected with another input port of single-chip microcomputer, is connected with warning circuit on the single machine output end.
In the present embodiment, shown in accompanying drawing 5, single-chip microcomputer IC 1Adopt MSC1210, this single-chip microcomputer has analog input interface, can become digital signal to handle by built-in mould/number conversion circuit conversion, by 6 soft-touch type press button S directly analogue signal input single-chip microcomputer 1, S 2, S 3, S 4, S 5, S 6Constitute input circuit, to single-chip microcomputer IC 1Control signal is provided; Warning circuit comprises audible alarm circuit and optical alarm circuit, and an output lead P1.5 of single-chip microcomputer provides the low level alarm signal, and optical alarm circuit is by light emitting diode D 2And protective resistance R 12Constitute, the audible alarm circuit is by photoelectrical coupler U 4Be connected to buzzer U 5Simultaneously, the exportable shows signal of single-chip microcomputer is connected with LCDs by display interface circuit SMC1601.
In the present embodiment, be connected with 2 group communication interfaces, 485 mouthfuls interface driving circuit is MAX1483, and 232 mouthfuls interface driving circuit is MAX3232,2 output ports of both shared microcontrollers.
In the present embodiment, also be provided with the cam control structure, control structure identical with embodiment one, its motor control signal is by isolating and the rotation of drive circuit S19986 control motor, realize the break-make control of tube for transfusion, simultaneously, obtain motor status input single-chip microcomputer by 2 analogue signal input ports, so that accurate control to be provided.

Claims (10)

1. transfusion controller, it is characterized in that: comprise single-chip microcomputer, LOAD CELLS, mould/number conversion circuit, input circuit and warning circuit, described LOAD CELLS is provided with hook, the output of LOAD CELLS is connected to input of single chip after mould/the number conversion circuit conversion becomes digital signal, the input circuit that includes the input button is connected with another input port of single-chip microcomputer, is connected with warning circuit on the single machine output end.
2. transfusion controller as claimed in claim 1 is characterized in that: described LOAD CELLS is a strain chip LOAD CELLS, and described warning circuit comprises audible alarm circuit and optical alarm circuit.
3. transfusion controller as claimed in claim 2; it is characterized in that: described audible alarm circuit is a buzzer; described optical alarm circuit is light emitting diode and protective resistance, between single machine output end and described audible alarm circuit and the optical alarm circuit buffer circuit can be set.
4. transfusion controller as claimed in claim 1 is characterized in that: can also comprise decoding of LCDs and corresponding liquid crystal and drive circuit, LCDs is connected on the single machine output end by liquid crystal decoding and drive circuit.
5. transfusion controller as claimed in claim 1, it is characterized in that: can also comprise display interface circuit and display device, display device is connected on the single machine output end by display interface circuit, described display device is a plurality of 7 sections light-emitting diode assemblies, and display interface circuit is light emitting diode decoding and drive circuit.
6. transfusion controller as claimed in claim 1 is characterized in that: also include communication interface, described communication interface is connected in single machine output end, and can communicate by letter with the corresponding interface cooperation of computer.
7. transfusion controller as claimed in claim 6 is characterized in that: described communication interface can be 485 interfaces, also can be 232 interfaces, is provided with corresponding interface circuits between interface and single machine output end.
8. transfusion controller as claimed in claim 1 is characterized in that: also be provided with control executing mechanism, described control executing mechanism comprises that performance element is the flow-control structure of tube for transfusion by the drive circuit and the performance element of the control of single-chip microcomputer output port.
9. transfusion controller as claimed in claim 8, it is characterized in that: described performance element is the cam control structure, on housing, be provided with tube for transfusion and pass through groove, the next door is provided with motor-driven cam, is eccentric wheel structure, and cam separates by groove with tube for transfusion when common position, cam snaps in tube for transfusion by in the groove when control bit, can make the tube for transfusion in the groove be tightened shutoff, described drive circuit is a motor-drive circuit, and motor can be motor or direct current generator.
10. transfusion controller as claimed in claim 8 is characterized in that: described performance element is an electromagnetic valve structure, and tube for transfusion passes through the moving ferrum mechanism of electromagnetic valve, and electromagnetic valve is the normal infusion state when opening, and during solenoid closure, the chucking tube for transfusion is off state.
CN 02257951 2002-10-21 2002-10-21 Infusion controller Expired - Fee Related CN2577853Y (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101843935A (en) * 2010-04-07 2010-09-29 南京信息工程大学 Medical transfusion wireless alarm system based on weighing principle
CN102614559A (en) * 2012-04-01 2012-08-01 黄石李时珍药业集团武汉李时珍药业有限公司 Automatic drug delivery system and drug delivery method for hydroxylcamptothecin injection
CN103239772A (en) * 2013-05-29 2013-08-14 齐开春 Hospital ward integration network type visible probe monitoring vein infusion apparatus
CN103388744A (en) * 2013-08-13 2013-11-13 刘群艳 Liquid nitrogen conveying device and operating method thereof
CN103638576A (en) * 2013-11-08 2014-03-19 苏州市职业大学 Intelligent transfusion monitoring instrument
CN104324435A (en) * 2014-10-22 2015-02-04 魏泰明 Intelligent infusion management device and infusion management method
CN104491954A (en) * 2014-12-24 2015-04-08 东华大学 Intelligent control system capable of reflecting injection remaining time of medical infusion apparatus
CN104548273A (en) * 2015-01-28 2015-04-29 卢笙 Infusion monitoring system and method
CN104721919A (en) * 2015-04-03 2015-06-24 杨家良 Infusion monitoring alarm used in hospital ward
CN104771810A (en) * 2014-05-27 2015-07-15 李毅 Transfusion monitoring system used in hospital
CN106267439A (en) * 2016-08-23 2017-01-04 王少峰 A kind of infusion support
CN106600829A (en) * 2016-12-14 2017-04-26 成都得民数联科技股份有限公司 Liquid vending machine and outlet liquid metering method thereof
CN106730155A (en) * 2016-12-15 2017-05-31 长春师范大学 A kind of intelligent transfusion bottle warning system
CN107389161A (en) * 2017-08-11 2017-11-24 苏州妙文信息科技有限公司 A kind of intelligent digital weighing sensor
CN107715237A (en) * 2017-10-23 2018-02-23 陈丽曼 Infusion monitoring warning system
CN110269971A (en) * 2018-03-16 2019-09-24 京东方科技集团股份有限公司 Intelligent infusion control device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101843935A (en) * 2010-04-07 2010-09-29 南京信息工程大学 Medical transfusion wireless alarm system based on weighing principle
CN102614559A (en) * 2012-04-01 2012-08-01 黄石李时珍药业集团武汉李时珍药业有限公司 Automatic drug delivery system and drug delivery method for hydroxylcamptothecin injection
CN102614559B (en) * 2012-04-01 2014-04-09 黄石李时珍药业集团武汉李时珍药业有限公司 Automatic drug delivery system for hydroxylcamptothecin injection
CN103239772A (en) * 2013-05-29 2013-08-14 齐开春 Hospital ward integration network type visible probe monitoring vein infusion apparatus
CN103388744A (en) * 2013-08-13 2013-11-13 刘群艳 Liquid nitrogen conveying device and operating method thereof
CN103388744B (en) * 2013-08-13 2016-08-10 刘群艳 A kind of liquid nitrogen conveyer and operational approach thereof
CN103638576A (en) * 2013-11-08 2014-03-19 苏州市职业大学 Intelligent transfusion monitoring instrument
CN104771810A (en) * 2014-05-27 2015-07-15 李毅 Transfusion monitoring system used in hospital
CN104324435A (en) * 2014-10-22 2015-02-04 魏泰明 Intelligent infusion management device and infusion management method
CN104324435B (en) * 2014-10-22 2019-01-15 魏泰明 A kind of intelligent transfusion manager
CN104491954A (en) * 2014-12-24 2015-04-08 东华大学 Intelligent control system capable of reflecting injection remaining time of medical infusion apparatus
CN104548273A (en) * 2015-01-28 2015-04-29 卢笙 Infusion monitoring system and method
CN104721919A (en) * 2015-04-03 2015-06-24 杨家良 Infusion monitoring alarm used in hospital ward
CN106267439A (en) * 2016-08-23 2017-01-04 王少峰 A kind of infusion support
CN106600829A (en) * 2016-12-14 2017-04-26 成都得民数联科技股份有限公司 Liquid vending machine and outlet liquid metering method thereof
CN106730155A (en) * 2016-12-15 2017-05-31 长春师范大学 A kind of intelligent transfusion bottle warning system
CN107389161A (en) * 2017-08-11 2017-11-24 苏州妙文信息科技有限公司 A kind of intelligent digital weighing sensor
CN107715237A (en) * 2017-10-23 2018-02-23 陈丽曼 Infusion monitoring warning system
CN110269971A (en) * 2018-03-16 2019-09-24 京东方科技集团股份有限公司 Intelligent infusion control device
US11602594B2 (en) 2018-03-16 2023-03-14 Hefei Boe Optoelectronics Technology Co., Ltd. Device, apparatus and method for controlling infusion

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