CN113398376B - Intelligent infusion workstation - Google Patents

Intelligent infusion workstation Download PDF

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Publication number
CN113398376B
CN113398376B CN202110662776.XA CN202110662776A CN113398376B CN 113398376 B CN113398376 B CN 113398376B CN 202110662776 A CN202110662776 A CN 202110662776A CN 113398376 B CN113398376 B CN 113398376B
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infusion
pump
infusion pump
speed
preset
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CN113398376A (en
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成志标
周时峥
蒋维海
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Lianying Medical Technology Co Ltd
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United Win Medical Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides an intelligent infusion workstation, comprising: the infusion pump is detachably mounted on the shell, and the infusion pumps are in communication connection with the control system. The control system is used for controlling the two infusion pumps to change step by step according to a preset speed when the two adjacent infusion pumps are in relay switching infusion so as to realize smooth relay switching. The invention can lead the infusion speed to change at a constant speed in the relay infusion switching process, thereby realizing smooth relay switching.

Description

Intelligent infusion workstation
Technical Field
The invention relates to the technical field of medical infusion, in particular to an intelligent infusion workstation.
Background
Typically, an infusion workstation comprises a modularly mounted infusion pump (infusion pump and/or syringe pump) and a control system. The infusion pump may be all the infusion pump, or a part of the infusion pump. The control system comprises an embedded system and CAN be in communication link with each infusion pump through a CAN data interface to realize the collection of state data of each infusion pump and the issuing of control parameters to each pump, and the workstation CAN be connected with a hospital HIS (hospital information system) and/or a CIS (clinical information system) and other systems through a WIFI communication interface to report the infusion data generated by the infusion pump to the HIS and/or the CIS. The control parameters may include KVO speed (keep vein open), injection speed, infusion accuracy, infusion speed, etc. The infusion pump automatically infuses at a very low flow rate after completing the infusion task, preventing blood from flowing back and blocking the needle.
The infusion is generally performed by a relay infusion for a liquid medicine with a large input dose at one time. The relay infusion is that more than two infusion pumps are mutually matched, infusion is sequentially carried out according to a preset infusion sequence, the former infusion pump finishes infusion, the latter infusion pump continues infusion, and no nurse operation is needed in the middle. The existing relay infusion scheme is that after the previous infusion pump stops infusion, the next infusion pump is started again, and the infusion mode can cause a discontinuous infusion in which a relatively short time is disconnected, namely the start of the infusion pump is delayed, so that errors can be caused, the treatment process of a patient can have sudden changes of treatment drug concentration (particularly short half-life period) caused by equipment, and the treatment of the patient can be influenced.
One current solution is to optimize the priming mechanism of the infusion pump to control the priming time on the order of milliseconds, but this approach can increase the manufacturing cost of the output pump.
Therefore, there is a need to provide a method of relay infusion that can avoid the sudden change of therapeutic drug concentration due to equipment during the course of patient treatment.
Disclosure of Invention
In view of the foregoing technical problems, embodiments of the present invention provide an intelligent infusion workstation, which can change an infusion speed at a constant speed during a relay infusion switching process, so as to implement smooth relay switching.
The technical scheme adopted by the invention is as follows:
the embodiment of the invention provides an intelligent infusion workstation, which comprises: the infusion set comprises a shell, a plurality of infusion pumps and a control system, wherein the shell is provided with a plurality of mounting bins, the infusion pumps are detachably mounted on the mounting bins, the infusion pumps are all in communication connection with the control system, the control system is used for executing a computer program and creating an infusion cache page, and the infusion cache page comprises infusion items Z-Z (Z) stored according to an infusion sequence1，Z2，......，ZM) Any infusion item ZiIncluding infusion pump identification PIDiAnd infusion liquid identification MIDiInfusion liquid amount CiAnd infusion rate ViInfusion pump identification PIDiFor the ith sequentially used infusion pump P in the current infusion processiIs unique identification, infusion liquid identification MIDiFor infusion pumps PiUnique identification of the infusion fluid to be infused, infusion volume CiFor infusion pumps PiThe volume of infusion, the rate of infusion ViFor infusion pumps PiI is 1 to M, M being the number of infusion pumps used;
wherein, when the infusion pump PiWhen starting infusion, the control system executes a computer program to implement the following steps:
s100, if the infusion liquid marks MIDiWith infusion liquid identification MIDi+1Are identical and Vi＝Vi+1＝V>D1, executing S200; d1 is a preset infusion rate threshold;
s200, driving the infusion pump PiThe infusion liquid is infused to the preset infusion liquid volume C at the constant infusion speed Viat-V X T, the infusion pump P is startedi+1(ii) a T is the preset time of the parallel relay transfusion;
s300, feeding the infusion pump P at fixed preset time intervalsiAnd an infusion pump Pi+1Simultaneously sends a speed control command to the infusion pump PiIs a deceleration command, sent to the infusion pump Pi+1The speed control command of the driver is a speed-up command, and the speed-down command is used for indicating the infusion pump PiDrive the infusion pump PiIs reduced by a preset speed dv, the speed increase command being used to instruct the infusion pump Pi+1Drive the infusion pump Pi+1Is increased by a preset speed dv.
According to the intelligent infusion workstation provided by the embodiment of the invention, when the two infusion pumps carry out relay switching infusion, the infusion speeds of the two infusion pumps are changed at a constant speed, smooth relay switching can be realized, and the influence on a patient caused by the sudden change of the concentration (particularly the half-life period is short) of a therapeutic drug due to equipment in the treatment process can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent infusion workstation according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an intelligent infusion workstation, including: casing 1, a plurality of infusion pump 2 and control system 3, be provided with a plurality of installations storehouse on the casing 1, infusion pump 2 detachably installs on the installation storehouse, the infusion pump can include transfer pump and/or syringe pump, a plurality of infusion pumps all with control system 3 communication connection. It will be appreciated that a person skilled in the art can select whether to use an infusion pump or a syringe pump or both, depending on the actual needs.
In the embodiment of the present invention, the housing 1 may be an existing structure. For example, the front part of the shell is concavely provided with a plurality of mounting bins for mounting the infusion pump, and the mounting bins are arranged at intervals along the height direction of the infusion workstation. In addition, a display control module is further arranged on the shell. In embodiments of the present invention, the infusion pump and the syringe pump may be of conventional construction. In the embodiment of the invention, the control system CAN be in communication connection with each infusion pump through a CAN data interface, for example, to realize the collection of the state data of each infusion pump and the transmission of control parameters to each infusion pump, and CAN also be connected with systems such as a hospital HIS (hospital information system) (not shown) and/or a CIS (clinical information system) (not shown) through a WIFI communication interface to report the infusion data generated by the infusion pump to the HIS and/or the CIS.
Specifically, when infusion is performed using a plurality of infusion pumps 2, the control system 3 is configured to execute a computer program to create an infusion buffer page corresponding to each infusion, and the infusion buffer page may include infusion items Z ═ (Z) stored in the infusion order1，Z2，......，ZM) Any infusion item ZiMay include infusion pump identification PIDiAnd infusion liquid identification MIDiInfusion liquid amount CiAnd infusion rate Vi. Wherein the infusion pump identification PIDiFor the ith sequentially used infusion pump P in the current infusion processiIs identified by the unique identification of (a). Infusion liquid identification MIDiFor infusion pumps PiUnique identification of the infusion fluid of the infusion, infusion fluid identification MIDiThe drug name and concentration of the infusion fluid may be included. Volume of infusion CiFor infusion pumps PiThe volume of the infusion solution (2) is generally in ml. Infusion speedDegree ViFor infusion pumps PiThe infusion rate of (c) is generally in ml/h (ml/h). i ranges from 1 to M, M being the number of infusion pumps used.
In the infusion process, the control system 3 judges whether relay infusion is performed between two adjacent infusion pumps, and if so, controls the infusion speeds of the two infusion pumps to change according to a preset speed so as to realize smooth relay switching. In particular, the infusion pump P is required when monitorediWhen starting the infusion, the control system 3 executes the computer program to implement the following steps:
s100, if the infusion liquid marks MIDiWith infusion liquid identification MIDi+1Are identical and Vi＝Vi+1＝V>D1, executing S200; d1 is a preset infusion rate threshold.
In the embodiment of the present invention, D1 may be selected according to practical experience. Preferably, D1 is greater than
Figure GDA0003309734360000041
Figure GDA0003309734360000042
Figure GDA0003309734360000043
And
Figure GDA0003309734360000044
respectively an infusion pump PiAnd an infusion pump Pi+1So that the infusion rate has a space for decreasing the infusion rate. The minimum infusion rate is an intrinsic parameter of the infusion pump, and may be obtained, for example, by a verification profile, but is not limited thereto, and may be obtained by any means available to those skilled in the art.
If the infusion liquid marks MIDiWith infusion liquid identification MIDi+1Are identical and Vi＝Vi+1＝V>D1, it indicates the infusion pump PiAnd an infusion pump P to be infused nexti+1The infusion liquid and the infusion speed are completeAnd if the speed is reduced, the relay transfusion switching control process is entered. Otherwise, the relay transfusion switching control process is not entered.
S200, driving the infusion pump PiThe infusion liquid is infused to the preset infusion liquid volume C at the constant infusion speed Viat-V X T, the infusion pump P is startedi+1；V*T<min(Ci，Ci+1) T is a preset time for the concurrent relay infusion, i.e. the infusion pump PiAnd an infusion pump Pi+1And the time of infusion is carried out at the same time.
In the embodiment of the present invention, T may be a user-defined time, for example, T may be 300 seconds. The control system can control the infusion pump PiA motor of the drive, such as a peristaltic pump, sends control commands to drive the infusion pump PiThe infusion liquid is infused to the preset infusion liquid volume C at the constant infusion speed Vi-V x T. In particular, the control system may supply the infusion pump P with fluidiThe motor sends a control command to drive the motor to drive a cam shaft connected with the motor to rotate, so that a sliding block connected with the cam shaft reciprocates up and down according to a certain sequence and a motion rule, and the venous transfusion tube is sequentially extruded like waves, so that liquid in the transfusion tube directionally flows at a speed V until the transfusion pump PiThe infusion amount is Ci-V*T。
S300, feeding the infusion pump P at fixed preset time intervalsiAnd an infusion pump Pi+1Simultaneously sends a speed control command to the infusion pump PiIs a deceleration command, sent to the infusion pump Pi+1The speed control command of the driver(s) is a speed increase command. In the embodiment of the present invention, the preset time may be less than T, and preferably, much less than T.
In the embodiment of the invention, the preset time can be customized by a user. For example, in the case where T is 300 seconds, the preset time may be 2 seconds, but is not limited thereto, and the preset time may be any other time interval as long as smooth relay handover can be satisfied. In an embodiment of the present invention, the speed indicated by the deceleration command and the speed indicated by the speed increase command may be the same, i.e., the deceleration command is used to indicate the infusion pump PiIs driven by a driverInfusion pump PiIs reduced by a preset speed dv, the speed increase command being used to instruct the infusion pump Pi+1Drive the infusion pump Pi+1Is increased by a preset speed dv.
Further, in the embodiment of the present invention, the preset speed dv may be determined by the following steps:
s310, based on the preset time T of the parallel relay transfusion and the preset transfusion pump PiMinimum shift time of the motor of the drive
Figure GDA0003309734360000051
And a preset infusion pump Pi+1Minimum shift time of the motor of the drive
Figure GDA0003309734360000052
Determining a set of speed control values K ═ K1，K2，...，Kn) Wherein the values of the set of speed control values K are arranged in descending order, i.e. K1＞K2＞...＞Kn；Kj＝2x1*5x2X1 and x2 are integers, that is, each value in the speed control value set K can be divided by 2 or 5, and j takes a value from 1 to n;
Figure GDA0003309734360000053
rounddown is a rounding down function,
Figure GDA0003309734360000054
and
Figure GDA0003309734360000055
according to the infusion pump PiAnd an infusion pump Pi+1Rated minimum shift time of the motor of the drive
Figure GDA0003309734360000056
And
Figure GDA0003309734360000057
and (4) self-defining determination. If rated minimum shift time of the motorVery small, this can result in speed shifts that can be very frequent, which can affect the useful life of the infusion pump. It is therefore possible, preferably,
Figure GDA0003309734360000058
Figure GDA0003309734360000059
the rated minimum shift time of the motor is an inherent parameter of the infusion pump, and for example, the rated minimum shift time of the motor can be obtained by checking a description file, but the invention is not limited thereto, and can be obtained by any means available to those skilled in the art.
In the embodiment of the invention
Figure GDA00033097343600000510
Figure GDA00033097343600000511
After determining the first value in set K, the values following K1 may be selected from a table of preset speed control values to form set K. The preset speed control value table is a table composed of values which are sorted in descending order and can be evenly divided by 2 or 5, and which is stored in advance.
S320, go through K, if
Figure GDA00033097343600000512
Then dv is V/Kj，
Figure GDA00033097343600000513
And
Figure GDA00033097343600000514
respectively an infusion pump PiAnd an infusion pump Pi+1The minimum infusion speed satisfying the preset error.
In the embodiment of the invention
Figure GDA00033097343600000515
While, every time the speed is increased/reduced by V/KjCan be made in the infusion pump PiAnd an infusion pump Pi+1During the transfer transfusion, the transfusion speed changes at a uniform speed, so that smooth relay switching can be realized, and the influence on patients caused by the sudden change of the concentration (particularly the short half-life period) of the therapeutic drug due to equipment possibly existing in the treatment process can be avoided.
S400, judging the infusion pump PiWhether the amount of infusion is equal to CiIf so, S500 is executed, otherwise, the process returns to S300.
In the actual infusion process, a nurse can hang more liquid when hanging an infusion bag so as to avoid blood return. Thus, the infusion pump P is monitorediThe amount of infusion being equal to CiWhen needed, the infusion pump P needs to be controllediThe infusion is stopped.
S500, stopping driving the infusion pump PiControl of the infusion pump Pi+1The infusion is carried out at a constant speed V.
Through the above steps S100 to S500, the infusion pump P can be realizediAnd an infusion pump Pi+1Smooth relay handover.
The above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. An intelligent infusion workstation, comprising: the infusion pump comprises a shell, a plurality of infusion pumps and a control system, wherein the shell is provided with a plurality of installation bins, and the infusion pumpsRemovably mounted on the mounting cartridge, the plurality of infusion pumps each communicatively coupled to the control system, the control system configured to execute a computer program to create an infusion cache page comprising infusion items Z ═ stored in an infusion sequence (Z)1，Z2，......，ZM) Any infusion item ZiIncluding infusion pump identification PIDiAnd infusion liquid identification MIDiInfusion liquid amount CiAnd infusion rate ViInfusion pump identification PIDiFor the ith sequentially used infusion pump P in the current infusion processiIs unique identification, infusion liquid identification MIDiFor infusion pumps PiUnique identification of the infusion fluid to be infused, infusion volume CiFor infusion pumps PiThe volume of infusion, the rate of infusion ViFor infusion pumps PiI is 1 to M, M being the number of infusion pumps used;
wherein, when the infusion pump PiWhen starting infusion, the control system executes a computer program to implement the following steps:
s100, if the infusion liquid marks MIDiWith infusion liquid identification MIDi+1Are identical and Vi＝Vi+1＝V>D1, executing S200; d1 is a preset infusion rate threshold;
s200, driving the infusion pump PiThe infusion liquid is infused to the preset infusion liquid volume C at the constant infusion speed Viat-V X T, the infusion pump P is startedi+1(ii) a T is the preset time of the parallel relay transfusion;
s300, feeding the infusion pump P at fixed preset time intervalsiAnd an infusion pump Pi+1Simultaneously sends a speed control command to the infusion pump PiIs a deceleration command, sent to the infusion pump Pi+1The speed control command of the driver is a speed-up command, and the speed-down command is used for indicating the infusion pump PiDrive the infusion pump PiIs reduced by a preset speed dv, the speed increase command being used to instruct the infusion pump Pi+1Drive the infusion pump Pi+1Is increased by a preset speed dv；
The preset speed dv is determined by the following steps:
s310, based on the preset time T of the parallel relay transfusion and the preset transfusion pump PiMinimum shift time of the motor of the drive
Figure FDA0003309734350000011
And a preset infusion pump Pi+1Minimum shift time of the motor of the drive
Figure FDA0003309734350000012
Determining a set of speed control values K ═ K1，K2，...，Kj，…，Kn) Wherein, K is1＞K2＞...＞KnJ takes a value from 1 to n; after a first value K1 in the set K is determined, selecting values behind K1 from a preset speed control value table to form the set K, wherein the preset speed control value table is a table formed by values which are arranged in a descending order and can be evenly divided by 2 or 5 and stored in advance;
Figure FDA0003309734350000021
rounddown is a rounding down function,
Figure FDA0003309734350000022
and
Figure FDA0003309734350000023
according to the infusion pump PiAnd an infusion pump Pi+1Rated minimum shift time of the motor of the drive
Figure FDA0003309734350000024
And
Figure FDA0003309734350000025
determining, wherein,
Figure FDA0003309734350000026
s320, go through K, if
Figure FDA0003309734350000027
Then dv is V/Kj，
Figure FDA0003309734350000028
And
Figure FDA0003309734350000029
respectively an infusion pump PiAnd an infusion pump Pi+1The minimum infusion speed satisfying the preset error.
2. The intelligent infusion workstation of claim 1, further comprising:
s400, judging the infusion pump PiWhether the amount of infusion is equal to CiIf yes, executing S500, otherwise, returning to S300;
s500, stopping driving the infusion pump PiControl of the infusion pump Pi+1The infusion is carried out at a constant speed V.
3. The intelligent infusion workstation of claim 1 wherein D1 is greater than
Figure FDA00033097343500000210
Figure FDA00033097343500000211
And
Figure FDA00033097343500000212
respectively an infusion pump PiAnd an infusion pump Pi+1The minimum infusion speed satisfying the preset error.
4. The intelligent infusion workstation of claim 1, wherein the infusion pump comprises an infusion pump and/or a syringe pump.
5. The intelligent infusion workstation of claim 1, wherein vt<min(Ci，Ci+1)。
6. The intelligent infusion workstation of claim 1, wherein the infusion fluid identification MIDiIncluding the drug name and concentration of the infusion fluid.
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CN112546335A (en) * 2019-09-25 2021-03-26 深圳迈瑞科技有限公司 Infusion pump setting and driving method and system and infusion pump

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US9295778B2 (en) * 2011-12-21 2016-03-29 Deka Products Limited Partnership Syringe pump
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Publication number Priority date Publication date Assignee Title
CN103153361A (en) * 2010-09-29 2013-06-12 泰尔茂株式会社 Medical pump housing rack and control method thereof
CN103251997A (en) * 2013-05-14 2013-08-21 钟荣芬 Infusion management system and operating method thereof
CN103920208A (en) * 2014-04-18 2014-07-16 俞卫中 System and method for monitoring infusion pump capable of intelligently easing pain
CN109843352A (en) * 2016-10-17 2019-06-04 康尔福盛303公司 The system and method for guidance relaying conveying for drug
CN112546335A (en) * 2019-09-25 2021-03-26 深圳迈瑞科技有限公司 Infusion pump setting and driving method and system and infusion pump

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