CN107729786B - Bar code input system of intelligent control infusion device - Google Patents
Bar code input system of intelligent control infusion device Download PDFInfo
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- CN107729786B CN107729786B CN201711048016.XA CN201711048016A CN107729786B CN 107729786 B CN107729786 B CN 107729786B CN 201711048016 A CN201711048016 A CN 201711048016A CN 107729786 B CN107729786 B CN 107729786B
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- bar code
- infusion
- module
- text information
- digital
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- 238000001802 infusion Methods 0.000 title claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000003814 drug Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 235000015097 nutrients Nutrition 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 3
- 235000016709 nutrition Nutrition 0.000 claims description 3
- 230000035764 nutrition Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1413—1D bar codes
Abstract
The invention discloses a bar code input system for intelligent control infusion equipment, which comprises the infusion equipment, a handheld terminal and a bar code processing module, wherein the handheld terminal scans bar codes, inputs an order infusion scheme and transmits the order infusion scheme to the bar code processing module, the order infusion scheme is output in the form of text information after being identified and processed by the bar code processing module, the text information is transmitted to the infusion equipment through a medium and is downloaded in the infusion equipment, and the infusion equipment inputs liquid medicine or nutrient solution for clinical patients according to the text information; the infusion device is simple and convenient to operate and easy to use, reduces the probability of error of infusion parameters and improper brands and specifications of consumable materials, reduces the risk of unexpected excessive liquid medicine impact or too little liquid medicine caused by inaccurate infusion precision, saves the setting time of infusion parameters, avoids the risk of delayed infusion, can generally save the time of medical staff, lightens the burden of the medical staff, and further improves the efficiency of the medical staff.
Description
Technical Field
The invention relates to a medical auxiliary control system, in particular to a bar code input system for intelligent control of infusion equipment.
Background
At present, the infusion parameter setting of most medical pump products is simply manually input by clinical medical staff, and the manual input can cause errors of infusion parameters, so that the infusion is too much or too little, the infusion parameter setting time is too long, and the risk of delayed infusion occurs; on the other hand, the brand and specification of the consumable are also selected manually by clinical medical staff, certain errors exist, and once the consumable is selected improperly, the infusion precision is inaccurate, and the risk of accidental excessive liquid medicine impact or too little liquid medicine is formed.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the bar code input system for the intelligent control infusion device, which reduces the probability of errors of infusion parameters and improper brands and specifications of consumable materials and saves the setting time of the infusion parameters compared with manual input.
The invention solves the problems by adopting the following technical scheme:
the bar code input system comprises infusion equipment, a handheld terminal and a bar code processing module, wherein the handheld terminal scans bar codes to input an order infusion scheme and transmits the order infusion scheme to the bar code processing module, the order infusion scheme is output in the form of text information after being identified and processed by the bar code processing module, the text information is transmitted to the infusion equipment through a medium and is downloaded in the infusion equipment, and the infusion equipment inputs liquid medicine or nutrient solution for clinical patients according to the text information.
Further, the bar code processing module comprises a bar code scanner, a photoelectric conversion module, an amplifying module, a shaping module and a decoding module which are connected in sequence; the bar code scanner is used for emitting identification light to the bar code identifier; the photoelectric conversion module is used for converting the reflected light signal into an analog electric signal; the amplifying module is used for amplifying the analog electric signals; the shaping module is used for converting the amplified analog electric signal into a digital electric signal; the decoding module is used for converting the digital electric signals into text information.
Further, the photoelectric conversion module comprises a photoelectric converter and a peripheral circuit thereof, the photoelectric converter is used for receiving and converting the reflected light signals, and at least two convex lenses are arranged between the photoelectric converter and the bar code scanner.
Further, the shaping module comprises a digital-analog converter and a peripheral circuit thereof, and the digital-analog converter is connected with the output end of the amplifying module.
Further, the decoding module converts the digital electrical signal into text information, including: identifying the start identifier and the stop identifier of the bar code, and judging the code system of the bar code; measuring the digital electric signal to obtain a complete readable bar code identifier; and converting the complete readable bar code identifier into text information according to the coding rule corresponding to the code system.
Further, the decoding module measures the digital electrical signal, including: measuring the occurrence times of high level and low level in the digital electric signal, and judging the number of bars and spaces; the duration of the high and low levels in the digital electrical signal are measured to determine the widths of the bars and spaces.
Preferably, the handheld terminal is a mobile phone, a tablet or a computer.
Preferably, the infusion device includes an infusion pump, a syringe pump, a nutrition pump, a blood transfusion pump, and a target pump.
The beneficial effects of the invention are as follows: the bar code input system for the intelligent control infusion device provided by the invention has the advantages that the bar code processing module can identify and process the bar code related to the doctor's advice infusion scheme and output the bar code to the infusion device in the form of text information, the infusion device automatically downloads the text information and infuses for a clinical patient according to the text information, and in the process, medical staff only need to use the handheld terminal to input the doctor's advice infusion scheme through the scanning code; therefore, compared with manual input, the infusion device is simple and convenient to operate and easy to use, reduces the probability of error of infusion parameters and improper brands and specifications of consumable materials, reduces the risk of unexpected excessive liquid medicine impact or too little liquid medicine caused by inaccurate infusion precision, saves the setting time of infusion parameters, avoids the risk of delayed infusion, can generally save the time of medical staff, lightens the burden of the medical staff, and further improves the efficiency of the medical staff.
Drawings
Preferred examples of the present invention will be described below in detail with reference to the accompanying drawings.
Fig. 1 is a block diagram of the system architecture of the present invention.
Detailed Description
The invention discloses a bar code input system for intelligent control of infusion equipment 1, which comprises the infusion equipment 1, a handheld terminal 3 and a bar code processing module 2, wherein the handheld terminal 3 scans bar codes to input an order infusion scheme and transmits the order infusion scheme to the bar code processing module 2, the order infusion scheme is output in the form of text information after being identified and processed by the bar code processing module 2, the text information is transmitted to the infusion equipment 1 through a medium and is downloaded in the infusion equipment 1, and the infusion equipment 1 is used for inputting liquid medicine or nutrient solution for clinical patients according to the text information, so that the time of medical staff can be generally saved, the burden of the medical staff is lightened, and the efficiency of the medical staff is improved.
Specifically, the bar code is made of black bars and white bars with different widths and different reflectivities according to a certain coding rule, and is also called a code system, and is used for expressing a group of figure identifiers of digital or letter symbol information, namely the bar code is a group of parallel line patterns with different thicknesses and arranged at intervals according to a certain rule; wherein, black bars are short for bars, white bars are short for spaces, and the reflectivity of the bars and the spaces in common bar codes is very different; the coding rules are set manually, and each industry generally has special coding rules; the doctor's advice transfusion scheme includes transfusion device 1 number, electronic medical record, transfusion parameter, consumable brand and specification, etc.
Medical staff can scan the code through the handheld terminal 3 to input an order transfusion scheme, then the bar code corresponding to the order transfusion scheme is subjected to recognition processing of the bar code processing module 2, the bar code is output to the transfusion equipment 1 through text information, finally the text information is downloaded by the transfusion equipment 1, at the moment, the medical staff can confirm the order transfusion scheme again on the handheld terminal 3, if no error exists, the starting key is pressed, and the transfusion equipment 1 starts to infuse for a patient; therefore, compared with manual input, the invention reduces the probability of error of infusion parameters and improper selection of brands and specifications of consumable materials, reduces the risk of unexpected excessive liquid medicine impact or too little liquid medicine caused by inaccurate infusion precision, saves the setting time of infusion parameters, and avoids the risk of delayed infusion.
The bar code processing module 2 comprises a bar code scanner 21, a photoelectric conversion module 22, an amplifying module 23, a shaping module 24 and a decoding module 25 which are connected in sequence; the bar code scanner 21 is used to emit identifying light to the bar code identifier; the photoelectric conversion module 22 is used for converting the reflected light signal into an analog electric signal; the amplifying module 23 is used for amplifying the analog electric signal; the shaping module 24 is configured to convert the amplified analog electrical signal into a digital electrical signal; the decoding module 25 is used for converting the digital electric signal into text information.
The photoelectric conversion module 22 includes a photoelectric converter and a peripheral circuit thereof, the photoelectric converter is used for receiving and converting the reflected light signal, and at least two convex lenses are arranged between the photoelectric converter and the bar code scanner 21; since the combination of a plurality of convex lenses may be equivalent to one convex lens having the same focusing effect, at least one first convex lens having an incident focusing effect and one second convex lens having a reflection focusing effect are required.
The shaping module 24 includes a digital-to-analog converter and its peripheral circuit, and the digital-to-analog converter is connected to the output end of the amplifying module 23.
Specifically, since the objects with different colors reflect different visible light wavelengths, for example, a white object can reflect visible light with various wavelengths, and a black object absorbs visible light with various wavelengths; therefore, when the light emitted by the light source of the bar code scanner 21 passes through the diaphragm and the first convex lens and irradiates the bar code with alternating black and white, the wavelength of the bar and the wavelength of the empty reflected light are different, and the intensity of the corresponding reflected light signals are also different; the reflected light is focused by the second convex lens and then irradiates the photoelectric conversion module 22, in this embodiment, the photoelectric converter receives reflected light signals with different intensities corresponding to the bar and the space, converts the reflected light signals into corresponding analog electric signals, and outputs the analog electric signals to the amplifying module 23 through a peripheral circuit of the photoelectric converter. However, the analog electric signals corresponding to the bars and the spaces are very weak, and the voltage is generally only about 10mV, so that the analog electric signals are difficult to directly use; therefore, the analog electric signal needs to be sent to the amplifying module 23 to amplify the signal, and the amplifying module 23 is a common technology in the field and can be implemented by using circuits such as an amplifier or a darlington triode; on the other hand, in order to avoid that defects and stains in the bar code identifier cause erroneous judgment, a shaping module 24 is required to be disposed behind the amplifying module 23 for converting the analog signal into a digital electric signal, and in this embodiment, a digital-to-analog converter is used, and other types of digital converters can be used as long as analog-to-digital conversion can be performed.
Wherein, the decoding module 25 converts the digital electric signal into text information, including: identifying the start identifier and the stop identifier of the bar code, and judging the code system of the bar code; measuring the digital electric signal to obtain a complete readable bar code identifier; converting the complete readable bar code identifier into text information according to the coding rule corresponding to the code system; the start and end identifiers of the bar code define the whole structure of the bar code, and basic characteristics such as the code system, the scanning direction and the like of the bar code can be known by analyzing the start and end lines; the code system corresponds to a coding rule which is set by a user in the input system and is not unique, and the coding rule generally has the characteristics of uniqueness, permanence, no meaning and the like.
Wherein the decoding module 25 measures the digital electrical signal, comprising: measuring the occurrence times of high level and low level in the digital electric signal, and judging the number of bars and spaces; the duration of the high and low levels in the digital electrical signal are measured to determine the widths of the bars and spaces. The occurrence times of the high level and the low level can represent the number of bars and spaces, and the occurrence times are large; the duration of the high level and the low level can represent the width of the strip and the empty, the duration is long, and the width is large; thus, a fully readable bar code identifier can be obtained by measuring both.
Preferably, the handheld terminal 3 is a mobile phone, a tablet or a computer; the handheld terminal 3 is generally carried by medical staff and is provided with a Wi-Fi wireless network card, a central monitoring server can be accessed remotely through Wi-Fi or 4G of a hospital, the basic condition of any treatment unit can be displayed in real time, alarm information is received, ringing or/and vibration prompt is carried out, and meanwhile, the medical staff can observe the infusion process and physiological monitoring information of a patient through the handheld terminal 3, so that the treatment condition can be known at any time.
Preferably, the infusion device 1 comprises an infusion pump, a syringe pump, a nutrition pump, a blood transfusion pump and a target pump.
While the preferred embodiments and concepts of the invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the foregoing embodiments, and that various equivalent modifications and substitutions may be made without departing from the spirit of the invention, and these equivalent modifications and substitutions are intended to be within the scope of the invention as set forth in the appended claims.
Claims (6)
1. A bar code input system of intelligent control infusion equipment which characterized in that: the infusion device comprises infusion equipment (1), a handheld terminal (3) and a bar code processing module (2), wherein the handheld terminal (3) scans a bar code to input an order infusion scheme and transmits the order infusion scheme to the bar code processing module (2), the order infusion scheme is output in the form of text information after being identified and processed by the bar code processing module (2), the text information is transmitted to the infusion equipment (1) through a medium and is downloaded in the infusion equipment (1), and the infusion equipment (1) inputs liquid medicine or nutrient solution for a clinical patient according to the text information; the bar code processing module (2) comprises a bar code scanner (21), a photoelectric conversion module (22), an amplifying module (23), a shaping module (24) and a decoding module (25) which are connected in sequence; the bar code scanner (21) is used for emitting identification light to the bar code identifier; the photoelectric conversion module (22) is used for converting the reflected light signal into an analog electric signal; the amplifying module (23) is used for amplifying the analog electric signal; the shaping module (24) is used for converting the amplified analog electric signal into a digital electric signal; the decoding module (25) is used for converting the digital electric signals into text information; the photoelectric conversion module (22) comprises a photoelectric converter and a peripheral circuit thereof, the photoelectric converter is used for receiving and converting the reflected light signals, and at least two convex lenses are arranged between the photoelectric converter and the bar code scanner (21).
2. The bar code input system of intelligent control infusion device according to claim 1, wherein the shaping module (24) comprises a digital-to-analog converter and its peripheral circuit, and the digital-to-analog converter is connected to the output end of the amplifying module (23).
3. The bar code input system of an intelligent control infusion device of claim 1, wherein the decoding module (25) converts digital electrical signals into text information, comprising: identifying the start identifier and the stop identifier of the bar code, and judging the code system of the bar code;
measuring the digital electric signal to obtain a complete readable bar code identifier;
and converting the complete readable bar code identifier into text information according to the coding rule corresponding to the code system.
4. A bar code input system for an intelligent controlled infusion device according to claim 3, wherein said decoding module (25) measures digital electrical signals, comprising: measuring the occurrence times of high level and low level in the digital electric signal, and judging the number of bars and spaces; the duration of the high and low levels in the digital electrical signal are measured to determine the widths of the bars and spaces.
5. The bar code input system of an intelligent control infusion device according to any one of claims 1-4, wherein the handheld terminal (3) is a mobile phone, a tablet or a computer.
6. A bar code input system for an intelligent controlled infusion device according to any of claims 1-4, wherein said infusion device (1) comprises an infusion pump, a syringe pump, a nutrition pump, a blood transfusion pump and a target pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048016.XA CN107729786B (en) | 2017-10-31 | 2017-10-31 | Bar code input system of intelligent control infusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048016.XA CN107729786B (en) | 2017-10-31 | 2017-10-31 | Bar code input system of intelligent control infusion device |
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| CN107729786A CN107729786A (en) | 2018-02-23 |
| CN107729786B true CN107729786B (en) | 2024-02-06 |
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| CN201711048016.XA Active CN107729786B (en) | 2017-10-31 | 2017-10-31 | Bar code input system of intelligent control infusion device |
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| CN109817218A (en) * | 2019-03-13 | 2019-05-28 | 北京青燕祥云科技有限公司 | The method and system of medical speech recognition |
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| CN207473613U (en) * | 2017-10-31 | 2018-06-08 | 珠海市美瑞华医用科技有限公司 | A kind of bar shaped code input system of intelligent control infusion equipment |
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| US8196833B2 (en) * | 2005-06-27 | 2012-06-12 | Mcgill Randy | Hybrid synthetic barcode and RFID system and method |
| US20160104061A1 (en) * | 2014-10-08 | 2016-04-14 | Randy McGill | Synthetic barcode payment system and method |
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| CN101116077A (en) * | 2005-02-11 | 2008-01-30 | 卡迪纳尔健康303公司 | Identification system and method for medication management |
| CN202523102U (en) * | 2011-12-16 | 2012-11-07 | 王丽 | Hospital wireless bedside nursing information management system |
| CN103400098A (en) * | 2013-07-25 | 2013-11-20 | 上海电机学院 | Scanning device and scanning method for scanning bar code invoice |
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