CN209137594U - Infusion pump infusion amount Detection & Controling security system - Google Patents
Infusion pump infusion amount Detection & Controling security system Download PDFInfo
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- CN209137594U CN209137594U CN201821795673.0U CN201821795673U CN209137594U CN 209137594 U CN209137594 U CN 209137594U CN 201821795673 U CN201821795673 U CN 201821795673U CN 209137594 U CN209137594 U CN 209137594U
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Abstract
The utility model relates to a kind of infusion pump infusion amount Detection & Controling security systems, including transfusion pole, infusion pump, gravity detection module is hung on transfusion pole, infusion bag is hung with below gravity detection module, infusion bag is connect by wired or wireless way with infusion pump by dripping pot and infusion pump piping connection, signal caused by gravity detection module.The utility model provides a kind of mode by detection infusion bag weight change, to detect practical amount of infusion, by information feedback into infusion pump, when the weight change that software calculates discovery infusion bag is excessively slow or too fast, can trigger alarm.Its main feature is that: 1) structure simple, at low cost；2) high reliablity, without being bound by the shape of infusion apparatus and drop pot；3) half-closed loop control is realized, the risk for effectivelying prevent infusion inaccurate.
Description
Technical field
The utility model relates to infusion pump field, especially a kind of infusion pump infusion amount Detection & Controling security system.
Background technique
Infusion pump is the medical instrument for accurately controlling infusion bag Chinese medicine liquid infusion amount, is usually used in the ward ICU.Feature is
Long using the time, infusion medical fluid is more.The mode for generalling use creeping mechanism extruding infusion pipeline accurately controls amount of infusion.
Creeping mechanism will cause the plastic deformation of pipeline to the extruding of pipeline, causes the elasticity of pipeline to be deteriorated, makes amount of infusion
It tails off, influences infusion accuracy.Therefore in use for some time, the conduit positions that Yao Genghuan creeping mechanism squeezes, otherwise can band
Carry out the inaccurate problem of infusion accuracy.However the characteristic of the pipeline of different manufacturers is different, the time for needing to regularly replace is also inconsistent,
When occur amount of infusion tail off phenomenon when infusion pump itself can not identify that this can be delayed to the treatment zone of patient, while often more
It changes pipeline extrusion position and also brings biggish workload to doctor and nurse.Secondly, creeping mechanism is once damaged, such as squeeze
The wriggling structure on pressure pipe road can not compress pipeline, and the liquid that will cause in pipeline is uncontrolled, and liquid can be in the effect of gravity
Lower free inflow in patient body, causes to be transfused too fast phenomenon, is transfused too fast harm that can be very big to patient's generation, or even danger
And life.When both phenomenons occur, current infusion pump control is opened loop control, can not be recognized.
That the fast sensor of a drop is installed on the drop pot of infusion apparatus according to current existing technology, by detection drop it is fast come
Judge whether that there is a phenomenon where too fast or excessively slow.Since the material, shape and hardness of infusion apparatus drop pot are different, to drop
The identification of fast sensor brings larger difficulty, and misrecognition phenomenon frequent occurrence, is easy triggering false alarm.
Summary of the invention
The utility model will solve the disadvantage that the above-mentioned prior art, provide a kind of accurate infusion pump infusion amount detection of identification
With control security system.
The utility model solves the technical solution of its technical problem use: this infusion pump infusion amount Detection & Controling safety
System, including transfusion pole, infusion pump hang with gravity detection module on transfusion pole, hang with infusion bag below gravity detection module, defeated
Liquid bag passes through wired or wireless way and infusion by dripping pot and infusion pump piping connection, signal caused by gravity detection module
Pump connection.
Preferably, the gravity detection module includes the tension sensor connecting with PCBA circuit board, before outside passes through
Shell and rear shell are wrapped up, and upper and lower ends are respectively equipped with hook I and hook II.Front housing is equipped with display screen.
Utility model has the advantages that: the utility model provides a kind of side by detection infusion bag weight change
Formula, to detect practical amount of infusion, by information feedback into infusion pump, when weight change that software calculates discovery infusion bag is excessively slow or
When person is too fast, alarm can be triggered.Its main feature is that: 1) structure simple, at low cost；2) high reliablity, without being bound by infusion apparatus and drop
The shape of pot；3) half-closed loop control is realized, the risk for effectivelying prevent infusion inaccurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of gravity detection module；
Description of symbols: gravity detection module -1, cable -2, transfusion pole -3, infusion bag -4, drop pot -5, infusion pump -6,
Link up with I-11, circuit board -12 PCBA, tension sensor -13, rear shell -14, hook II-15, display screen -16, front housing -17.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1: such as Fig. 1, a kind of infusion pump infusion amount Detection & Controling security system, including transfusion pole 3, infusion pump 6,
Hang with gravity detection module 1 on transfusion pole 3, hang with infusion bag 4 below gravity detection module 1, infusion bag 4 by drop pot 5 with it is defeated
6 piping connection of liquid pump, signal caused by gravity detection module 1 are connect by cable 2 with infusion pump 6.
Such as Fig. 3, gravity detection module 1 includes the tension sensor 13 connecting with PCBA circuit board 12, and outside passes through front housing
17 wrap up with rear shell 14, and upper and lower ends are respectively equipped with hook I11 and hook II15, and front housing 17 is equipped with display screen 16.Gravity inspection
The high-precision tension sensor 13 for including in module 1 is surveyed to arrive real-time detection by cable 2 for detecting the pulling force being subject to
The weight of infusion bag 4 feed back to infusion pump 6.The processing chip of infusion pump 6 handles data, will be in a period of time Δ t
Weight change, infusion rates V0 is obtained divided by the density and Δ t of liquid, with infusion rates V0 and the pre-set speed of infusion pump
Rate V1 is compared, and when error is more than W%, pump end can issue alarm, prompts user's infusion rates to go wrong, and show
It is too fast or excessively slow.User judges according to warning message, if excessively slow, it may be necessary to replace extrusion position；If crossed
Fastly, leakage occurs for possible creeping mechanism damage or pipeline.The numerical value user of error W can sets itself, usually than infusion pump
Precision is big, this numerical value is in setting primary concern is that safety factor.
1 working principle of gravity detection module: tension sensor 13 generates flexible deformation under external force, makes to be pasted onto table
The resistance strain gage in face is also deformed, and after resistance strain gage deformation, its resistance value will change, then through corresponding measurement electricity
This resistance variations is converted to electric signal by road, so as to complete the process that external force is transformed to electric signal.Electric signal passes through
The processing of PCBA circuit board 12 shows current rate on display screen 16, and will be in result feedback to infusion pump 6.
Prevent false alarm: when infusion bag is by unexpected shake, biggish wave can occur for 1 numerical value of gravity detection module
It is dynamic, it is likely to result in false alarm, therefore filtering algorithm can be increased in alarm algorithm, filters out abnormal biggish fluctuation.And
And sensitivity be it is adjustable, according to the high, medium and low of the sensitivity of user setting, different n values can be arranged in algorithm, when even
N times abnormal data, which occurs, for continuous accumulation can just trigger alarm.
Embodiment 2: such as Fig. 2, a kind of infusion pump infusion amount Detection & Controling security system, including transfusion pole 3, infusion pump 6,
Hang with gravity detection module 1 on transfusion pole 3, hang with infusion bag 4 below gravity detection module 1, infusion bag 4 by drop pot 5 with it is defeated
6 piping connection of liquid pump, signal caused by gravity detection module 1 are connect by WIFI or bluetooth approach with infusion pump 6.In addition, weight
Tension sensor 13 in power detection module 1 is also it is contemplated that replace with pressure sensor realization.Remaining structure and 1 phase of embodiment
Together.
In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (3)
1. a kind of infusion pump infusion amount Detection & Controling security system, including transfusion pole (3), infusion pump (6), it is characterized in that: defeated
It hangs with gravity detection module (1), is hung with infusion bag (4) below gravity detection module (1), infusion bag (4) passes through drop on liquid bar (3)
Pot (5) and infusion pump (6) piping connection, signal caused by gravity detection module (1) pass through wired or wireless way and infusion
Pump (6) connection.
2. infusion pump infusion amount Detection & Controling security system according to claim 1, it is characterized in that: the gravity detects
Module (1) includes the tension sensor (13) connecting with PCBA circuit board (12), and outside is wrapped by front housing (17) and rear shell (14)
Wrap up in, upper and lower ends are respectively equipped with hook I(11) and hook II(15).
3. infusion pump infusion amount Detection & Controling security system according to claim 2, it is characterized in that: the front housing (17)
It is equipped with display screen (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795673.0U CN209137594U (en) | 2018-11-02 | 2018-11-02 | Infusion pump infusion amount Detection & Controling security system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795673.0U CN209137594U (en) | 2018-11-02 | 2018-11-02 | Infusion pump infusion amount Detection & Controling security system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209137594U true CN209137594U (en) | 2019-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821795673.0U Active CN209137594U (en) | 2018-11-02 | 2018-11-02 | Infusion pump infusion amount Detection & Controling security system |
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| Country | Link |
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| CN (1) | CN209137594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089924A (en) * | 2020-08-21 | 2020-12-18 | 北京来普惠康医学技术有限公司 | Automatic calibration control system and control method for infusion precision of infusion pump |
| CN113181470A (en) * | 2021-04-16 | 2021-07-30 | 山西省肿瘤医院 | Disposable infusion pump monitoring device and method |
-
2018
- 2018-11-02 CN CN201821795673.0U patent/CN209137594U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089924A (en) * | 2020-08-21 | 2020-12-18 | 北京来普惠康医学技术有限公司 | Automatic calibration control system and control method for infusion precision of infusion pump |
| CN112089924B (en) * | 2020-08-21 | 2022-09-02 | 北京来普惠康医学技术有限公司 | Automatic calibration control system and control method for infusion precision of infusion pump |
| CN113181470A (en) * | 2021-04-16 | 2021-07-30 | 山西省肿瘤医院 | Disposable infusion pump monitoring device and method |
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