CN105079911B - A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle - Google Patents
A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle Download PDFInfo
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- CN105079911B CN105079911B CN201510402221.6A CN201510402221A CN105079911B CN 105079911 B CN105079911 B CN 105079911B CN 201510402221 A CN201510402221 A CN 201510402221A CN 105079911 B CN105079911 B CN 105079911B
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Abstract
The present invention relates to soft transfusion bottle technical field of research, refer specifically to a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle, include the following steps：It carries out dripping fast measurement experiment Step 1: dripping speed measuring device by medical fluid, the data of drop speed and liquid level falling head in record unit time；Step 2: carrying out data modeling according to the data that fast measurement experiment measures are dripped, obtains soft transfusion bottle and dripping the mathematical model between speed and liquid level falling head in infusion process.Method of the invention be conducive to soft transfusion bottle infusion process herb liquid transfusion speed change research, and then be conducive to the more reasonable soft transfusion bottle of design, resulting mathematical model helps the reasonable selection in the practical infusion operation of guidance to medical fluid drop speed, avoids medical fluid drop speed too fast or causes patient body is uncomfortable even to endanger personal safety slowly excessively.
Description
Technical field
The present invention relates to soft transfusion bottle technical field of research, refer specifically to a kind of establish transfusion speed change rule number in soft transfusion bottle
The method for learning model.
Background technique
Specification is the infusion bottle of 250ml as standard infusion bottle, and annual requirement is big, is widely used, admittedly it studies under the specification
The changing rule of infusion bottle infusion process Chinese medicine drop speed is just particularly important；In real life, many people are in infusion
Feel the too slow of medical fluid drop, thinks to beat fixed point drop as early as possible, just voluntarily tune up speed；Also somebody thinks that drop speed too fast feels not relax
Clothes just slow down drop speed；In fact, doing so all is danger close, if transfusion speed is too fast, easily aggravates heart burden, causes the heart
It declines or the adverse reactions such as pulmonary edema；Certainly, transfusion speed is also not more slower better, needs to adjust transfusion speed according to the state of an illness；
It should accelerate fluid infusion when rescue serious dehydration or the shock patient of excessive blood loss, often entering the intracorporal liquid of people per hour will reach
To thousands of milliliters；The patient of certain increased intracranial pressures is treated, 20% mannitol 250ml intravenous infusion time was not to be exceeded 30 minutes, drop
Speed may not have the effect for reducing intracranial pressure slowly excessively；Therefore, variation of the research soft transfusion bottle in infusion process Chinese medicine drop speed
Rule is just particularly important, and medical personnel is facilitated to select suitable medical fluid to drip speed according to the practical state of an illness.
Summary of the invention
Transfusion speed change is affected by many factors in soft transfusion bottle infusion process, such as height, the infusion of soft transfusion bottle suspension
The height of liquid level in soft bottle, the material of soft transfusion bottle, the structure of soft transfusion bottle, pipe in line loss and part pipe in infusion process
Path loss mistake etc., the experimental results showed that, in the case where the structure of soft transfusion bottle, material and certain gas liquid ratio, fast shadow is dripped to medical fluid
Ringing maximum factor is needle diameter；For convenience of the research to soft transfusion bottle transfusion speed change rule in infusion process, the present invention
By dripping speed measuring device using a kind of medical fluid, experiment measurement is carried out, measures soft transfusion bottle in infusion process with liquid in bottle
The decline of face height, the numerical value of medical fluid transfusion speed change speed, then analyze and be infused with numerical analysis software progress data
The mathematical model of journey herb liquid transfusion speed change, as infusion process herb liquid transfusion speed change rule；The present invention provides one kind and is based on
Volume is that the soft transfusion bottle of 250ml specification carries out infusion bottle infusion process Chinese medicine drop speed obtained from multiple groups experiment is analyzed
A kind of changing rule, that is, method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle.
To solve the above problems, the present invention provides following technical scheme：
A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle, it is characterised in that：Include the following steps：
It carries out dripping fast measurement experiment Step 1: dripping speed measuring device by medical fluid, drop speed and liquid level in record unit time
The data of falling head；
Step 2: carrying out data modeling according to the data that fast measurement experiment measures are dripped, soft transfusion bottle is obtained in infusion process
Mathematical model between middle drop speed and liquid level falling head.
Further, the step 1 is that the experiment mould of the soft transfusion bottle of 250ml specification is established using numerical analysis method
Type, the changing value of drop speed and liquid level falling head in the detection unit time, observation Murphy type tube Chinese medicine drop speed and liquid level decline
Relationship between height；Data fitting is carried out according to the experimental data that fast measurement experiment measures is dripped, obtains the infusion of 250ml specification
Soft bottle drips the matched curve of speed with liquid level falling head in infusion process.
Further, the experiment of N group is carried out to the infusion bottle of 250ml specification, removing disturbing factor influences big numerical value, obtains
n1Group (hi、vi) experimental data, to this n1Group experimental data is averaged, wherein：I=0~n1, 4<n1<30；hiFor i-th of liquid
Face falling head；viFor the drop speed in the infusion bottle under i-th of liquid level falling head.
Further, the infusion that the step 2 acquires 250ml specification using the method for least square polynomial fit is soft
Each term coefficient of bottle medical fluid drop speed and liquid level falling head change curve in infusion, and then available soft transfusion bottle is being infused
Mathematical model between process herb liquid drop speed and liquid level falling head.
Further, the cubic function relational expression of the mathematical model between the medical fluid drop speed and liquid level falling head is：f
(x)=b3×x3+b2×x2+b1×x+b0, i.e. V=b3×h3+b2×h2+b1×h+b0, wherein：H indicates liquid level falling head, V
Indicate medical fluid drop speed；Normal equation group is obtained by least square polynomial fit：
Solving the normal equation can be obtained medical fluid
Each term coefficient b of the cubic function relational expression of mathematical model between drop speed and liquid level falling head0、b1、b2、b3。
Further, medical fluid drop speed measuring device includes soft bottle body, perfusion tube and for measuring soft transfusion bottle bottle
The pressure test device of interior pressure；The perfusion tube is equipped with Murphy type tube.
Further, the pressure test device include needle tubing, the U-tube that is connect with needle tubing；One end of the U-tube is logical
It crosses needle tubing to be inserted into soft bottle body, the other end of U-tube is connected to atmosphere；Filled with pure water in the U-tube, medicine in soft bottle body
Liquid enters U type pipe by needle tubing, and air barrier is equipped between medical fluid and water in U-tube；The U-tube is equipped with graduation mark.
Further, the graduation mark in the U-tube is equipped with 0 scale, positive scale area and negative scale area；The U-tube dress
Horizontal plane is overlapped with 0 scale when water.
Beneficial effect：A kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle of the invention, passes through letter
Single medical fluid drop speed measuring device carries out data acquisition and carries out numerical analysis by numerical analysis software, and then it is soft to establish infusion
Bottle in transfusion speed change Law Mathematical Model, be conducive to soft transfusion bottle infusion process herb liquid transfusion speed change research, in turn
Be conducive to the more reasonable soft transfusion bottle of design, resulting mathematical model, which helps, drips medical fluid in the practical infusion operation of guidance
The reasonable selection of speed avoids medical fluid drop speed too fast or causes patient body is uncomfortable even to endanger personal safety slowly excessively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the medical fluid drop speed measuring device in the present invention；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the enlarged diagram in Fig. 1 at B；
Description of symbols：Soft bottle body 1, perfusion tube 2, Murphy type tube 3, U-tube 4, needle tubing 5.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, a specific embodiment of the invention is described in further detail：
A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle, it is characterised in that：Include the following steps：
It carries out dripping fast measurement experiment Step 1: dripping speed measuring device by medical fluid, drop speed and liquid level in record unit time
The data of falling head；
Step 2: carrying out data modeling according to the data that fast measurement experiment measures are dripped, soft transfusion bottle is obtained in infusion process
Mathematical model between middle drop speed and liquid level falling head.
The step 1 is that the experimental model of the soft transfusion bottle of 250ml specification is established using numerical analysis method, and detection is single
The changing value of drop speed and liquid level falling head in the time of position, between observation Murphy type tube Chinese medicine drop speed and liquid level falling head
Relationship；Data fitting is carried out according to the experimental data that fast measurement experiment measures is dripped, the soft transfusion bottle for obtaining 250ml specification is being infused
The matched curve of drop speed and liquid level falling head in the process.
The experiment of N group is carried out to the infusion bottle of 250ml specification, removing disturbing factor influences big numerical value, obtains n1Group (hi、
vi) experimental data, to this n1Group experimental data is averaged, wherein：I=0~n1, 4<n1<30；hiIt is high for i-th of liquid level decline
Degree；viIt isiDrop speed in infusion bottle under a liquid level falling head.
The step 2 acquires the soft transfusion bottle of 250ml specification in infusion using the method for least square polynomial fit
Each term coefficient of medical fluid drop speed and liquid level falling head change curve, and then available soft transfusion bottle is in infusion process herb liquid
Mathematical model between drop speed and liquid level falling head.
The cubic function relational expression of mathematical model between medical fluid drop speed and liquid level falling head is：F (x)=b3×
x3+b2×x2+b1×x+b0, i.e. V=b3×h3+b2×h2+b1×h+b0, wherein：H indicates liquid level falling head, and V indicates medical fluid
Drop speed；Normal equation group is obtained by least square polynomial fit：
Solving the normal equation can be obtained medical fluid
Each term coefficient b of the cubic function relational expression of mathematical model between drop speed and liquid level falling head0、b1、b2、b3。
Shown in referring to Figures 1 and 2, medical fluid drop speed measuring device includes soft bottle body, perfusion tube and defeated for measuring
The pressure test device of the soft bottle pressure of the inside of a bottle of liquid；The perfusion tube is equipped with Murphy type tube.
The U-tube that the pressure test device includes needle tubing, is connect with needle tubing；It is inserted by needle tubing one end of the U-tube
Enter into soft bottle body, the other end of U-tube is connected to atmosphere；Filled with pure water in the U-tube, medical fluid passes through needle in soft bottle body
Pipe enters U-tube, and air barrier is equipped between medical fluid and water in U-tube；The U-tube is equipped with graduation mark.
As shown in figure 3, the graduation mark in the U-tube is equipped with 0 scale, positive scale area and negative scale area；The U-tube dress
Horizontal plane is overlapped with 0 scale when water.
The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention
System, therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle, it is characterised in that：Include the following steps：
It carries out dripping fast measurement experiment Step 1: dripping speed measuring device by medical fluid, drop speed and liquid level decline in record unit time
The data of height；
Step 2: carrying out data modeling according to the data that fast measurement experiment measures are dripped, obtains soft transfusion bottle and dripped in infusion process
Mathematical model between speed and liquid level falling head；
The step 2 acquires the soft transfusion bottle of the 250ml specification medical fluid in infusion using the method for least square polynomial fit
Each term coefficient of drop speed and liquid level falling head change curve, and then available soft transfusion bottle is in infusion process Chinese medicine drop speed
With the mathematical model between liquid level falling head；
The cubic function relational expression of mathematical model between medical fluid drop speed and liquid level falling head is：F (x)=b3×x3+b2
×x2+b1×x+b0, i.e. V=b3×h3+b2×h2+b1×h+b0, wherein：H indicates liquid level falling head, and V indicates medical fluid drop speed；
Normal equation group is obtained by least square polynomial fit：
Solve the cubic function relational expression for the mathematical model that the normal equation can be obtained between medical fluid drop speed and liquid level falling head
Each term coefficient b0、b1、b2、b3。
2. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle according to claim 1, feature
It is：The step 1 is that the experimental model of the soft transfusion bottle of 250ml specification is established using numerical analysis method, when detecting unit
The changing value of interior drop speed and liquid level falling head, the pass between observation Murphy type tube Chinese medicine drop speed and liquid level falling head
System；Data fitting is carried out according to the experimental data that fast measurement experiment measures is dripped, the soft transfusion bottle for obtaining 250ml specification had been infused
The matched curve of speed with liquid level falling head is dripped in journey.
3. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle according to claim 2, feature
It is：The experiment of N group is carried out to the infusion bottle of 250ml specification, removing disturbing factor influences big numerical value, obtains n1Group (hi、vi) real
Data are tested, to this n1Group experimental data is averaged, wherein：I=0~n1, 4<n1<30；hiFor i-th of liquid level falling head；vi
For the drop speed in the infusion bottle under i-th of liquid level falling head.
4. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle according to claim 1, feature
It is：Medical fluid drop speed measuring device includes soft bottle body (1), perfusion tube (2) and for measuring soft transfusion bottle pressure of the inside of a bottle
Pressure test device；The perfusion tube (2) is equipped with Murphy type tube (3).
5. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle according to claim 4, feature
It is：The pressure test device includes needle tubing (5), the U-tube (4) connecting with needle tubing (5)；One end of the U-tube (4) is logical
It crosses needle tubing (5) to be inserted into soft bottle body (1), the other end of U-tube is connected to atmosphere；It is soft filled with pure water in the U-tube (4)
Bottle body (1) interior medical fluid enters U-tube (4) by needle tubing (5), and air barrier is equipped between the interior medical fluid of U-tube (4) and water；
The U-tube (4) is equipped with graduation mark.
6. a kind of method for establishing transfusion speed change Law Mathematical Model in soft transfusion bottle according to claim 5, feature
It is：Graduation mark on the U-tube (4) is equipped with 0 scale, positive scale area and negative scale area；Water when U-tube (4) the dress water
Plane is overlapped with 0 scale.
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| CN201510402221.6A CN105079911B (en) | 2015-07-08 | 2015-07-08 | A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle |
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| CN201510402221.6A CN105079911B (en) | 2015-07-08 | 2015-07-08 | A method of establishing transfusion speed change Law Mathematical Model in soft transfusion bottle |
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| CN105079911A CN105079911A (en) | 2015-11-25 |
| CN105079911B true CN105079911B (en) | 2018-11-23 |
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Citations (4)
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| CN2192886Y (en) * | 1993-12-31 | 1995-03-22 | 农业部成都沼气科学研究所 | U-shape tube fundamental type pressure measuring meter |
| CN2277520Y (en) * | 1995-11-03 | 1998-04-01 | 叶善佩 | Zero setting direct reading U-shape pressure gauge |
| CN202648754U (en) * | 2012-06-25 | 2013-01-02 | 中国十七冶集团有限公司 | High-viscosity medium liquid level measuring device |
| CN104274887A (en) * | 2013-07-09 | 2015-01-14 | 维尔福工业（马来西亚）私人有限公司 | Infusion set that prevents air entry into infusion tubing |
-
2015
- 2015-07-08 CN CN201510402221.6A patent/CN105079911B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192886Y (en) * | 1993-12-31 | 1995-03-22 | 农业部成都沼气科学研究所 | U-shape tube fundamental type pressure measuring meter |
| CN2277520Y (en) * | 1995-11-03 | 1998-04-01 | 叶善佩 | Zero setting direct reading U-shape pressure gauge |
| CN202648754U (en) * | 2012-06-25 | 2013-01-02 | 中国十七冶集团有限公司 | High-viscosity medium liquid level measuring device |
| CN104274887A (en) * | 2013-07-09 | 2015-01-14 | 维尔福工业（马来西亚）私人有限公司 | Infusion set that prevents air entry into infusion tubing |
Non-Patent Citations (3)
| Title |
|---|
| 一次性可调节输液器的准确输入速度及相关滴速测定;陈迎等;《解放军护理杂志》;20041231(第12期);正文第19-20页 * |
| 一次性可调节输液器输注准确性及其影响因素的评估;刘靖;《北京医学》;20100831(第8期);全文 * |
| 茂菲氏滴管内液面高度对输液滴数及输液速度的影响;魏月琴等;《中国全科医学》;20031231(第12期);全文 * |
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Granted publication date: 20181123 Termination date: 20210708 |