CN103212130A - Method for calibrating output accuracy of transfusion controller - Google Patents
Method for calibrating output accuracy of transfusion controller Download PDFInfo
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- CN103212130A CN103212130A CN2012100165734A CN201210016573A CN103212130A CN 103212130 A CN103212130 A CN 103212130A CN 2012100165734 A CN2012100165734 A CN 2012100165734A CN 201210016573 A CN201210016573 A CN 201210016573A CN 103212130 A CN103212130 A CN 103212130A
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- peristaltic pump
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Abstract
The invention relates to a method for calibrating the output accuracy of a transfusion controller. The method comprises the following steps that the transfusion controller and a medical transfusion device are used, wherein the transfusion controller comprises a shell body, a peristaltic pump, a control circuit, an operating keyboard, a digital display, an indication lamp and a pump hose driving channel; peristaltic pump rotating speed numerical values are set in the control circuit; the digital display displays a transfusion flow numerical value in real time; a pump hose section of a transfusion device is fixedly arranged in the pump hose driving channel; a transfusion device needle head of the medical transfusion device is placed in a graduated cylinder; the transfusion controller is enabled to enter an accuracy calibration state; the peristaltic pump is started up and is enabled to automatically stop working when the default transfusion flow rate is reached, and the actual total output liquid medicine numerical value is measured by using the graduated cylinder; and if the total output liquid medicine numerical value and a numerical value displayed by the digital display are consistent, the numerical value is stored in a memory of the control circuit, and the calibration is completed.
Description
Technical field
The present invention relates to a kind of scaling method of the controller output accuracy of infusing, the present invention uses a transfusion controller and a medical Transfusion device: adopt the mode of demarcating the peristaltic pump speed revolution value to demarcate infusion flow numerical value.
Background technology
Infusion pump in medical application of the prior art is the squash type infusion pump, by infusion pump pump is realized extruding and a series of do actions of the automatic resilience of pipeline with flexible tube section, realize flowing of liquid, Chinese patent 200920271004.8 disclosed wriggling transfusion pumps are exactly wherein a kind of, and this wriggling transfusion pump comprises chassis, motor, chute board, upper end cover, drivewheel, driven pulley, belt, Coupling Shaft, eccentric; Also be provided with the liquid baffle control sheet of forming jointly by plate, slotted hole, reinforcement, slide plate, push liquid sheet, card liquid bar, also have by plate, slotted hole, reinforcement, slide plate, push liquid sheet common form push away the hydraulic control film-making.There is following defective in infusion pump in medical application of the prior art: pump directly has influence on the speed of liquid flow with the flexible tube section rebound characteristics under identical extruding frequency, as: rebound characteristics is good, and it is fast that flexible tube section recovers, and liquid flow velocity is fast, otherwise partially slowly.Differ greatly between the transfusion device of different manufacturers or the different model,, also can cause bigger transfusion difference if infusion pump is infused with same parameter.In order to address this problem, existing most producers adopt the method for specifying transfusion device, specify close pump flexible pipe with the several models that are suitable for this producer's infusion pump use, this mode has increased cost and transfusion device buying degree of difficulty, even so, the transfusion error that also can't avoid pump to bring with flexible pipe difference.Therefore, need to propose a kind of scaling method of the controller output accuracy of infusing.
Summary of the invention
The object of the present invention is to provide a kind of scaling method of the controller output accuracy of infusing, the present invention uses a transfusion controller and a medical Transfusion device: adopt the mode of demarcating the peristaltic pump speed revolution value to demarcate infusion flow numerical value.At the parameters such as characteristic, elasticity and caliber thereof of different medical infusion lines, make it reach service precision preferably by changing the peristaltic pump rotary speed parameter.
The objective of the invention is to realize: a kind of scaling method of the controller output accuracy of infusing by following technical proposals, use a transfusion controller and a medical Transfusion device, this transfusion controller comprises: housing, peristaltic pump, the control circuit that has single chip circuit, operation keyboard, nixie display, display lamp, pump flexible pipe drive channel; Its demarcating steps is:
Be set with the peristaltic pump speed revolution value in the memorizer in A, the described control circuit; To should an infusion flow numerical value being arranged speed revolution value, described nixie display shows described infusion flow numerical value in real time;
B, the pump of described medical Transfusion device is fixed on pump with in the flexible pipe drive channel with flexible tube section;
C, the syringe needle for transfusion device in the described medical Transfusion device is placed in the graduated cylinder liquid feeding end of this medical Transfusion device and a liquid containing bottle UNICOM;
D, described transfusion controller is arranged on holding state, uses operation keyboard to be provided with, make described transfusion controller enter the precision calibration state;
Peristaltic pump power supply in E, the described transfusion controller of unlatching, peristaltic pump starts, and reaches acquiescence transfusion total amount peristaltic pump in season and quits work automatically, and the use graduated cylinder is measured the actual total numerical quantity of output medicinal liquid;
If the total numerical quantity of medicinal liquid of F output is consistent with the numerical value that described nixie display shows, then this numerical value is deposited in the memorizer in the described control circuit, demarcate for the first time and finish; The B of repetitive operation step then is to twice of step F;
If the numerical value that the total numerical quantity of medicinal liquid of G output and described nixie display show is inconsistent, use operation keyboard that the total numerical quantity of medicinal liquid of output is write in the memorizer in the described control circuit, and be presented on the described nixie display B-of repetitive operation step then step F three times;
The demarcation of H, described transfusion controller output accuracy is finished.
The present invention compared with prior art has following advantage:
1, the present invention can carry out accuracy testing repeatedly to the parameters such as characteristic, elasticity and caliber thereof of the medical infusion lines in the transfusion device of tens models, makes it reach service precision preferably, can get rid of the caused amount of infusion error of infusion pipeline parameter difference fully.
2, the present invention can carry out the demarcation of multistage transfusion speed, guarantees the low speed point, the middling speed point, and point can both reach precision preferably at a high speed.
3, adopt method of the present invention, except improving the transfusion precision, can also make consumptive material (medical infusion lines) buying convenient and simple, reduce purchase cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
The electrical schematic diagram of Fig. 1, transfusion controller of the present invention;
The electrical schematic diagram of Fig. 2, nixie display of the present invention.
The specific embodiment
Embodiment one:
Referring to Fig. 1, Fig. 2, the scaling method of transfusion controller output accuracy of the present invention, use a transfusion controller and a medical Transfusion device, this transfusion controller comprises: housing, peristaltic pump, the control circuit that has single chip circuit, operation keyboard, nixie display, display lamp, pump flexible pipe drive channel, air bubble sensor; Its demarcating steps is:
Be set with the peristaltic pump speed revolution value in the memorizer in A, the described control circuit; To should an infusion flow numerical value being arranged speed revolution value, described nixie display shows described infusion flow numerical value in real time; A single chip circuit is arranged in the control circuit, and the designer converts infusion flow numerical value to the peristaltic pump speed revolution value in advance and writes single-chip microcomputer.Described infusion flow numerical value comprises the infusion flow numerical value of unit interval and total numerical quantity totally two groups of numerical value of infusing.
B, the pump of medical Transfusion device is fixed on pump with in the flexible pipe drive channel with flexible tube section; Described flexible tube section is meant one section flexible pipe in the medical Transfusion device, and described pump pushes away the pairing conduit of hydraulic control film-making (or be called output blade) with what the flexible pipe drive channel was meant peristaltic pump in the transfusion controller, belongs to prior art, is not described in detail.
C, the syringe needle for transfusion device in the described medical Transfusion device is placed in the graduated cylinder liquid feeding end of this medical Transfusion device and a liquid containing bottle UNICOM; Described liquid containing bottle is meant the transfusion bottle of splendid attire medicinal liquid, belongs to prior art, is not described in detail.Described graduated cylinder is meant medical measurement instrument, is used to measure the utensil of medicinal liquid quantity.
D, described transfusion controller is arranged on holding state, uses operation keyboard to be provided with, make described transfusion controller enter the precision calibration state; Under this state, transfusion controller acquiescence amount of infusion is 5 milliliters (the output liquid total amount is 5 milliliters); The precision calibration state of described transfusion controller is the control sequence that writes in advance in the single chip circuit program, is used to control startup, the shutdown of medical Transfusion device, the rotating speed of peristaltic pump.
Peristaltic pump power supply in E, the described transfusion controller of unlatching, peristaltic pump starts, and reaches acquiescence transfusion total amount peristaltic pump in season and quits work automatically, and the use graduated cylinder is measured the actual total numerical quantity of output medicinal liquid; At this moment, the total numerical quantity of output medicinal liquid of nixie display demonstration should be 5 milliliters.
If the total numerical quantity of medicinal liquid of F output is consistent with the numerical value that described nixie display shows, then this numerical value is deposited in the memorizer in the described control circuit, demarcate for the first time and finish; The B of repetitive operation step then is to twice of step F;
If the numerical value that the total numerical quantity of medicinal liquid of G output and described nixie display show is inconsistent, use operation keyboard that the total numerical quantity of medicinal liquid of output is write in the memorizer in the described control circuit, and be presented on the described nixie display, the B of repetitive operation step then is to step F three times; Memorizer is a unit in the single chip circuit, and single chip circuit is received after the order that writes, and converts the peristaltic pump rotary speed data automatically to by its control sequence, and demonstrates the total numerical quantity of actual medicinal liquid on nixie display; The B of repetitive operation step then verifies for three times to step F;
The demarcation of H, described transfusion controller output accuracy is finished.
Consider the difference of transfusion speed, in the present embodiment, need respectively 200 milliliters/hour, 500 milliliters/hour, 1000 milliliters/hour three speed points are demarcated respectively; The data of this demarcation all are kept in the memorizer in the described control circuit; 200 milliliters/hour, 500 milliliters/hour, 1000 milliliters/hour three speed are called the low speed point, middling speed point, high speed point.
In the present embodiment, the wriggling pump structure adopts Chinese patent 200920271004.8 disclosed wriggling transfusion pump structures, and this paper is not described in detail.
Referring to Fig. 1, the transfusion controller of present embodiment comprises: housing (do not have among the figure show), peristaltic pump (also claiming infusion pump) 1, the control circuit 7, operation keyboard 9, nixie display 8, display lamp, the pump that have a single chip circuit (belong to prior art with the flexible pipe drive channel, do not show among the figure), air bubble sensor 4, pressure transducer 5, power circuit 6, testing circuit 3, motor 2 also are set on the infusion pump; Testing circuit detects the rotating speed of motor in real time, and air bubble sensor is monitored with the bubble situation in the flexible tube section 10 pump in real time.
The control circuit that has single chip circuit comprises single chip circuit and matcher, single chip circuit adopts MCU single-chip microcomputer (Freescale series monolithic), also comprise a heater in the control circuit, be used for the temperature of control pump, be used to reduce the influence of ambient temperature the transfusion precision with flexible tube section.
Referring to Fig. 2, nixie display is a display circuit, and two LCDs are arranged, and the infusion flow numerical value of a display screen unit of display time, another display screen show the total numerical quantity of transfusion.Nixie display is connected with the control circuit signal that has single chip circuit by interface circuit 11, and 8 buttons in the operation keyboard are connected with the control circuit signal that has single chip circuit by interface circuit 12.
The push button signalling that single-chip microcomputer logarithmic code display sends over carries out analytical judgment, makes the LCDs in the nixie display show numerical value by total line traffic control again;
Single-chip microcomputer judges by the push button signalling that nixie display sends, if data modification and with the action of storage, in the data stored in memory that MCU will need to store; In use, if the peristaltic pump operation needs to use the data of having stored, MCU will read data from memorizer;
The running parameter that MCU sets by nixie display calculates the rotating speed and the net cycle time of motor in the unit interval, and MCU drives peristaltic pump and realizes transfusion continuously by the work of control signal drive stepping motor; Testing circuit sends to MCU with the actual rotation situation of motor, and MCU judges to the Stepping Motor Control situation whether the rotation of motor is normal with feedback signal and reality;
Pressure transducer adopts hall principle or LOAD CELLS principle to carry out pressure detecting, pressure by pipeline affacts on the pick off, the position of drive pick off is moved or is out of shape, thereby cause the conversion of sensor parameters, finally detect by filter amplification circuit by MCU, size by detected value is judged the blockage pressure value, and then determines whether to block alarm.
Claims (1)
1. scaling method of controller output accuracy of infusing, use a transfusion controller and a medical Transfusion device, this transfusion controller comprises: housing, peristaltic pump, the control circuit that has single chip circuit, operation keyboard, nixie display, display lamp, pump flexible pipe drive channel; Its demarcating steps is:
Be set with the peristaltic pump speed revolution value in the memorizer in A, the described control circuit; To should an infusion flow numerical value being arranged speed revolution value, described nixie display shows described infusion flow numerical value in real time;
B, the pump of described medical Transfusion device is fixed on pump with in the flexible pipe drive channel with flexible tube section;
C, the syringe needle for transfusion device in the described medical Transfusion device is placed in the graduated cylinder liquid feeding end of this medical Transfusion device and a liquid containing bottle UNICOM;
D, described transfusion controller is arranged on holding state, uses operation keyboard to be provided with, make described transfusion controller enter the precision calibration state;
Peristaltic pump power supply in E, the described transfusion controller of unlatching, peristaltic pump starts, and reaches acquiescence transfusion total amount peristaltic pump in season and quits work automatically, and the use graduated cylinder is measured the actual total numerical quantity of output medicinal liquid;
If the total numerical quantity of medicinal liquid of F output is consistent with the numerical value that described nixie display shows, then this numerical value is deposited in the memorizer in the described control circuit, demarcate for the first time and finish; The B of repetitive operation step then is to twice of step F;
If the numerical value that the total numerical quantity of medicinal liquid of G output and described nixie display show is inconsistent, use operation keyboard that the total numerical quantity of medicinal liquid of output is write in the memorizer in the described control circuit, and be presented on the described nixie display, the B of repetitive operation step then is to step F three times;
The demarcation of H, described transfusion controller output accuracy is finished.
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| CN2012100165734A CN103212130A (en) | 2012-01-19 | 2012-01-19 | Method for calibrating output accuracy of transfusion controller |
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| CN2012100165734A CN103212130A (en) | 2012-01-19 | 2012-01-19 | Method for calibrating output accuracy of transfusion controller |
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| CN103212130A true CN103212130A (en) | 2013-07-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258485A (en) * | 2014-10-17 | 2015-01-07 | 中国计量科学研究院 | Infusion pump/infusion pump detector comprehensive calibration device |
| CN109219368A (en) * | 2016-06-10 | 2019-01-15 | 莱雅公司 | Wriggling hand-held cosmetic distribution system |
| CN112206372A (en) * | 2019-07-10 | 2021-01-12 | 深圳迈瑞科技有限公司 | Infusion pump, infusion control method, and computer-readable storage medium |
| CN112977908A (en) * | 2021-03-02 | 2021-06-18 | 康宁杰瑞(吉林)生物科技有限公司 | Filling and plugging machine and filling method thereof |
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| CN101653630A (en) * | 2009-09-16 | 2010-02-24 | 北京鑫禾丰医疗技术有限公司 | Infusion pump calibration device |
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2012
- 2012-01-19 CN CN2012100165734A patent/CN103212130A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101653630A (en) * | 2009-09-16 | 2010-02-24 | 北京鑫禾丰医疗技术有限公司 | Infusion pump calibration device |
Non-Patent Citations (3)
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| 中国计量科学研究院；无锡市计量测试中心: "《中华人民共和国国家计量技术规范-医用注射泵和输液泵校准规范》", 10 June 2010 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258485A (en) * | 2014-10-17 | 2015-01-07 | 中国计量科学研究院 | Infusion pump/infusion pump detector comprehensive calibration device |
| CN109219368A (en) * | 2016-06-10 | 2019-01-15 | 莱雅公司 | Wriggling hand-held cosmetic distribution system |
| CN109219368B (en) * | 2016-06-10 | 2022-06-28 | 莱雅公司 | Peristaltic hand-held cosmetic dispensing system |
| CN112206372A (en) * | 2019-07-10 | 2021-01-12 | 深圳迈瑞科技有限公司 | Infusion pump, infusion control method, and computer-readable storage medium |
| CN112977908A (en) * | 2021-03-02 | 2021-06-18 | 康宁杰瑞(吉林)生物科技有限公司 | Filling and plugging machine and filling method thereof |
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Application publication date: 20130724 |