CN115252957A - Instillation device, method and readable storage medium - Google Patents
Instillation device, method and readable storage medium Download PDFInfo
- Publication number
- CN115252957A CN115252957A CN202211029825.7A CN202211029825A CN115252957A CN 115252957 A CN115252957 A CN 115252957A CN 202211029825 A CN202211029825 A CN 202211029825A CN 115252957 A CN115252957 A CN 115252957A
- Authority
- CN
- China
- Prior art keywords
- solution bag
- driving mechanism
- pressure
- driver
- liquid level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 148
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 137
- 238000001802 infusion Methods 0.000 description 15
- 230000001276 controlling effect Effects 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 229960002897 heparin Drugs 0.000 description 3
- 229920000669 heparin Polymers 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 206010001526 Air embolism Diseases 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Images
Classifications
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14526—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons the piston being actuated by fluid pressure
-
- 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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Landscapes
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application discloses a dripping device, which comprises a controller, a driving mechanism, a sensing mechanism and a dripping assembly, wherein the dripping assembly comprises a solution bag and a dripping pipeline connected to a liquid outlet of the solution bag; the pressure detection assembly and the liquid level detection assembly are arranged on the solution bag, are in signal connection with the controller and are used for detecting the pressure value and the liquid level height in the solution bag; the driving mechanism is arranged in parallel with the drip assembly and is in control connection with the controller for applying pressure to the drip assembly. The application also provides a dripping method and a readable storage medium. The technical scheme that this application provided makes solution bag internal pressure can maintain invariable through the cooperation of actuating mechanism, pressure measurement subassembly, liquid level detection subassembly and controller to the drip at the uniform velocity of solution in the subassembly is instilled in the realization.
Description
Technical Field
The present application relates to the field of medical device technology, and more particularly, to an infusion device, method, and readable storage medium.
Background
The injection mode of heparin saline usually adopts the solution bag to drip, and the conventional mode is that heparin saline is held in the solution bag that hangs in the eminence, through the mode that the operator squeezes manually, exerts pressure to the solution bag, throws into the apparatus with heparin saline in a small amount.
Although the conventional manual squeezing mode is simple to operate, an operator needs to pay attention to the dripping speed of the solution bag frequently so as to judge whether the solution bag needs to be continuously pressurized, the workload of the operator is increased, the operator needs to observe the solution bag with a distraction, and accidents are easy to occur; the solution bag is manually extruded, and the pressure in the solution bag is gradually reduced along with the drip of the solution in the solution bag, so that the problem that the constant pressure cannot be ensured exists;
in addition, the operator needs to pay attention to the remaining solution in the solution bag during the operation process, otherwise, the infusion bag cannot be replaced in time, and air enters the circulation to form an air embolism.
Disclosure of Invention
The embodiment of the application aims to solve the problems that in the prior art, the manual extrusion of the solution bottle is easy to cause inconsistent pressure application, the operator needs to pay attention to the solution dripping speed and the amount of the remaining solution frequently, resulting in a problem that the work load of the operator is increased and an accident is liable to occur.
In order to solve the above technical problem, an embodiment of the present application provides an instillation device, which adopts the following technical solutions:
a dripping device comprises a controller, a driving mechanism, a sensing mechanism and a dripping component;
the drip-feed assembly comprises a solution bag and a drip-feed pipeline, and the drip-feed pipeline is communicated with a liquid outlet of the solution bag;
the driving mechanism is arranged in parallel with the drip assembly and is used for applying pressure to the drip assembly;
the sensing mechanism comprises a pressure detection assembly and a liquid level detection assembly which are arranged on the solution bag, the pressure detection assembly is used for detecting the pressure value in the solution bag, and the liquid level detection assembly is used for detecting the liquid level height in the solution bag;
the pressure detection mechanism assembly and the liquid level detection mechanism assembly are respectively in signal connection with the controller, and the controller is in control connection with the driving mechanism;
the controller is used for receiving the signals transmitted by the induction mechanism, processing the signals and controlling the driving mechanism to operate according to the processed signals.
Further, the driving mechanism is a motor driver, the motor driver and the solution bag are arranged in parallel, the end part of an output shaft of the motor driver is connected with a push rod, the end part of the push rod is in contact with the solution bag, and the motor driver is used for controlling the push rod to move towards the solution bag at a constant speed and applying constant pressure to the solution bag; or
The driving mechanism is an air pressure driver, the air pressure driver is arranged in parallel with the solution bag, the end part of a piston rod of the air pressure driver is in contact with the solution bag, and the air pressure driver drives the piston rod to move towards the solution bag at a constant speed to apply constant pressure to the solution bag; or
The driving mechanism is a hydraulic driver, the hydraulic driver is arranged in parallel with the solution bag, the end part of a piston rod of the hydraulic driver is in contact with the solution bag, and the hydraulic driver drives the piston rod to move towards the solution bag at a constant speed to apply constant pressure to the solution bag; or
The drive mechanism is a peristaltic pump, the peristaltic pump and the instillation pipeline are arranged in parallel, and the pump head of the peristaltic pump clamps the instillation pipeline.
In order to solve the above technical problem, an embodiment of the present application further provides an instillation method, which is applied to the instillation device, and is characterized in that the following technical scheme is adopted:
a method of instillation comprising the steps of:
the method comprises the following steps that a controller obtains relevant parameters, wherein the relevant parameters comprise a first set pressure value and the pressurizing speed of a driving mechanism, and the first set pressure value is a constant pressure value in a solution bag when a dripping device drips;
the controller controls the driving mechanism to start, and the pressure is applied to the instillation assembly at a preset pressure applying speed;
the controller controls the pressure detection assembly to detect a real-time pressure value in the solution bag as a second set pressure value;
the controller judges whether the difference value between the first set pressure value and the second set pressure value is within a set range or not;
if not, controlling the driving mechanism to adjust the pressurizing speed;
if yes, the driving mechanism is controlled to stop after the operation for the first set time, and the constant-pressure instillation is completed.
Further, before the step of the controller controlling the activation of the drive mechanism to pressurize the drip assembly at the preset pressurization rate, the method further comprises the steps of:
the controller controls the liquid level detection assembly to detect the liquid level height in the solution bag and judges whether the liquid level height in the solution bag is lower than a set liquid level or not, wherein the set liquid level is the lowest liquid level of the solution bag;
if yes, the instillation device is controlled to stop and give an alarm to prompt the replacement of the solution bag.
Further, the step of adjusting the pressurizing speed of the driving mechanism comprises the following steps:
the controller compares the first set pressure value with the second set pressure value;
if the first set pressure value is larger than the second set pressure value, adjusting parameters of the driving mechanism, and increasing the pressurizing speed of the driving mechanism to increase the output pressure of the driving mechanism to the solution bag;
if the first set pressure value is smaller than the second set pressure value, adjusting parameters of the driving mechanism, and reducing the pressurizing speed of the driving mechanism so as to reduce the output pressure of the driving mechanism to the solution bag.
Further, the step of adjusting a parameter of the driving mechanism and increasing a pressurizing speed of the driving mechanism to increase an output pressure of the driving mechanism to the solution bag specifically includes:
identifying a type of the drive mechanism;
if the driving mechanism is a motor driver, adjusting the motor driver to increase the rotating speed of the motor to increase the pressurizing speed of the motor driver so as to increase the output pressure of the motor driver to the solution bag;
if the driving mechanism is an air pressure driver, adjusting the air pressure driver to increase the air inlet flow rate of the air cylinder to increase the pressure of the inner cavity of the air cylinder, so as to increase the pressurizing speed of the air pressure driver and increase the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a hydraulic driver, adjusting the hydraulic driver to increase the liquid inlet amount of the hydraulic cylinder, so as to increase the pressurizing speed of the hydraulic driver and increase the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a peristaltic pump, adjusting the pump head of the peristaltic pump to increase the rotating speed so as to increase the flow rate of the solution in the drip tube.
Further, the step of adjusting a parameter of the driving mechanism to decrease a pressurizing speed of the driving mechanism to decrease an output pressure of the driving mechanism to the solution bag specifically includes:
identifying a type of the drive mechanism;
if the driving mechanism is a motor driver, adjusting the motor driver to reduce the rotating speed of the motor to reduce the pressurizing speed of the motor driver so as to reduce the output pressure of the motor driver to the solution bag;
if the driving mechanism is an air pressure driver, adjusting the air pressure driver to reduce the air inlet flow rate of the air cylinder to reduce the pressure of the inner cavity of the air cylinder so as to reduce the pressurizing speed of the air pressure driver and reduce the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a hydraulic driver, adjusting the hydraulic driver to reduce the liquid inlet amount of the hydraulic cylinder to reduce the pressure of the inner cavity of the hydraulic cylinder of the hydraulic driver so as to reduce the pressurizing speed of the hydraulic driver and reduce the output pressure of the hydraulic driver to the solution bag;
if the driving mechanism is a peristaltic pump, the pump head of the peristaltic pump is adjusted to reduce the rotating speed so as to reduce the flow rate of the solution in the drip tube.
Further, after the step of controlling the drive mechanism to activate and pressurize the drip assembly at the preset pressurization rate, the method further comprises:
the controller controls the liquid level detection assembly to carry out liquid level detection within a second set time, and if liquid level change is not detected within the second set time, the drip device is controlled to stop, and alarm prompt is given.
Further, after the step of operating for the first set time and before the step of controlling the driving mechanism to stop, the method further comprises the steps of:
the controller controls the liquid level detection component to detect the liquid level in the solution bag and judges whether the liquid level in the solution bag is lower than a set liquid level or not; if yes, the drip device is controlled to stop, and an alarm is given.
The invention also provides a readable storage medium, which is characterized in that the readable storage medium stores computer instructions, and the computer instructions are executed by a processor to realize the instillation method.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
according to the drip device, the pressure detection assembly of the sensing mechanism is used for monitoring the real-time pressure value of the solution bag of the drip assembly and feeding the real-time pressure value back to the controller, the output pressure of the driving mechanism is adjusted through the controller, so that the driving mechanism can continuously apply pressure to the drip assembly at a constant pressurizing speed, the pressure in the solution bottle is constant, the solution bag can be dripped at the constant pressurizing speed, and the working efficiency is improved; drip device's response mechanism still includes liquid level detection subassembly, monitors the liquid level height of solution bottle to ensure at the device operation in-process, the liquid level height of solution bottle remains throughout more than minimum liquid level height, avoids because operator's attention dispersion, thereby leads to the condition of the empty bottle of solution bag to appear, has improved the security of device.
The application also provides an instillation method, through the cooperative fit between controller, response mechanism, the actuating mechanism, through the control of response subassembly to the solution bag internal pressure value of instillation subassembly, feed back to the controller, adjust pressurization speed through controller control actuating mechanism afterwards to ensure the pressure constancy in the solution bag, can instillate with the speed of invariant with the control instillation subassembly that realizes the mechanization.
Drawings
In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic diagram of the construction of one embodiment of an infusion set;
fig. 2 is a schematic diagram of another embodiment of an infusion set;
fig. 3 is a schematic view of another embodiment of an infusion set;
fig. 4 is a schematic view of another embodiment of an infusion set;
fig. 5 is a schematic diagram of the construction of the controller of the infusion set;
fig. 6 is a control flow diagram of a method of instillation in an infusion set.
Reference numerals:
1-solution bag; 2-a drip line; 31-a motor driver; 32-a push rod; 33-a pneumatic drive; 34-a hydraulic drive; 35-a peristaltic pump; 4-a pressure detection component; 5-a liquid level detection assembly; 6-a controller; 61-a display screen; 62-start button; 63-stop button.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The first embodiment of the instillation device of the present application:
referring to fig. 1, the present application provides an infusion set comprising an infusion assembly, a drive mechanism, a sensing mechanism, a controller 6;
in some embodiments, the drip assembly, the driving mechanism and the sensing mechanism are arranged on one side of an operation room, the controller 6 is arranged on one side of a control room, the controller 6 is in control connection with the driving mechanism through a wired connection or a wireless connection, and the controller 6 is in signal connection with the sensing mechanism through a wired connection or a wireless connection.
Referring to fig. 5, in some embodiments, the controller 6 includes a control module (not shown), a display 61, a start button 62, and a stop button 63, the start button 62 and the stop button 63 being in control connection with the control module, and the control module being in control connection with the display 61.
In this embodiment, the drip assembly includes a solution bag 1 and a drip line 2, and the drip line 2 is connected to the liquid outlet of the solution bag 1.
The driving mechanism is arranged in parallel with the dripping component and is used for pressing the dripping component so as to stabilize the dripping speed of the dripping component.
The response subassembly includes pressure measurement subassembly 4 and liquid level detection subassembly 5, and pressure measurement subassembly 4 is used for detecting the pressure value in the solution bag, and liquid level detection subassembly is used for detecting the liquid level height in the solution bag.
The pressure detection assembly and the liquid level detection assembly are respectively in signal connection with a controller, and the controller is in control connection with the driving mechanism.
In this embodiment, the pressure detecting component 4 is a pressure sensor disposed on the solution bag 1, and is used for detecting the pressure value in the solution bag 1 and transmitting the pressure value to the controller, and the controller adjusts the output pressure of the driving mechanism according to the change of the pressure value in the solution bag 1, so as to keep the pressure in the solution bag constant, thereby realizing the instillation of the solution at a constant speed.
The liquid level detection assembly 5 is a liquid level sensor arranged on the solution bag 1 and used for detecting the liquid level height in the solution bag 1 and transmitting the liquid level height to the controller, and the controller judges the residual amount of the solution in the solution bag 1 according to the transmitted signal so as to avoid the condition that the solution bag 1 is empty. By providing the pressure sensing assembly 4 and the level sensing assembly 5, the operator may be less attentive to the drip set.
In this embodiment, the driving mechanism is a motor driver 31, the motor driver 31 is in control connection with the controller, an output shaft of the motor driver 31 is connected with a push rod 32, and a buffer (not shown in the figure) is arranged at an end of a side of the push rod 32, which is in contact with the solution bag 1, for preventing the solution bag 1 from being damaged by the push rod 32, so that the solution bag pressure relief motor driver 31 is used for controlling the push rod 32 to move towards the solution bag 1 at a constant speed, thereby applying a constant pressure to the solution bag 1; the controller controls the motor rotating speed of the motor driver 1 according to the real-time pressure value detected by the pressure detection component 4, so that the extending speed of the push rod 32 is controlled, the volume of air in the solution bag 1 is kept constant, the pressure in the solution bag is constant, and the constant-pressure instillation of the instillation component is realized.
The second embodiment of the instillation device of the present application:
referring to fig. 2, the difference between the present embodiment and the first embodiment is that the driving mechanism is an air pressure driver 33, and a buffer (not shown in the figure) is disposed at an end of a piston rod of the air pressure driver 33, which is in contact with the solution bag 1, for preventing the solution bag from being decompressed due to damage to the solution bag 1 caused by the push rod 32; the air pressure driver 33 drives the piston rod to move towards the solution bag 1 at a constant speed, so that constant pressure is applied to the solution bag 1; the controller controls the cylinder speed regulating valve of the air pressure driver 33 according to the real-time pressure value detected by the pressure detection component 4, so that the change of the air inlet flow speed is controlled, the extending speed of the piston rod is adjusted, the air volume in the solution bag 1 is kept constant, the pressure in the solution bag 1 is kept constant, and the constant-pressure instillation of the instillation component is realized.
Example three of the infusion set of the present application:
referring to fig. 3, the difference between the present embodiment and the first embodiment is that the driving mechanism is a hydraulic driver 34, and a buffer (not shown in the figure) is disposed at an end of a piston rod of the hydraulic driver 34, which is in contact with the solution bag 1, for preventing the solution bag from being decompressed due to damage to the solution bag 1 caused by the push rod 32; the hydraulic driver 34 drives the piston rod to move towards the solution bag 1 at a constant speed, so that constant pressure is applied to the solution bag 1; the controller controls the liquid inlet amount of the hydraulic cylinder of the hydraulic driver 34 according to the real-time pressure value detected by the pressure detection component 4, so that the extension speed of the piston rod is adjusted, the volume of air in the solution bag 1 is kept constant, the pressure in the solution bag 1 is kept constant, and the constant-pressure instillation of the instillation component is realized.
Example four of the infusion set of the present application:
referring to fig. 4, the difference between the first embodiment and the second embodiment is that the peristaltic pump 35 is used as the driving mechanism, the peristaltic pump 35 is arranged in parallel with the drip line 2, the pump head of the peristaltic pump 35 clamps the drip line 2, and the controller controls the rotation speed of the pump head of the peristaltic pump 35 according to the real-time pressure value, so that the volume of air in the solution bag 1 is kept constant, the pressure in the solution bag 1 is kept constant, and the constant pressure drip of the drip assembly is realized.
Referring to fig. 5, the present application provides an instillation method, which is applied to the instillation device, and specifically includes the following steps:
step S101, a controller acquires relevant parameters, wherein the relevant parameters comprise a first set pressure value and a pressurizing speed of a driving mechanism; in this embodiment, the first set pressure value is a constant pressure value in the solution bag at the time of drip, and is set to 230mmHg here.
And step S102, the controller controls the driving mechanism to start, and the drip assembly is pressurized at a preset pressurizing speed.
Step S103, the controller controls the pressure detection assembly to detect a real-time pressure value in the solution bag as a second set pressure value.
Step S104, the controller judges whether the difference value between the first set pressure value and the second set pressure value is in a set range, if so, the step S105 is executed, otherwise, the step S201 is executed;
in the present embodiment, the difference in pressure values is set within a range of ± 5mmHg.
And step S105, after the operation for the first set time, the controller controls the driving mechanism to stop, and the constant-pressure instillation is completed. In this embodiment, the first setting time is 30min.
Step S201, the controller compares a first set pressure value with a second set pressure value; if the first set pressure value is larger than the second set pressure value, adjusting parameters of the driving mechanism and increasing the output pressure of the driving mechanism; if the first set pressure value is smaller than the second set pressure value, adjusting parameters of the driving mechanism, reducing output pressure of the driving mechanism, and jumping to step S103 after parameter adjustment of the driving mechanism is completed.
The application provides a instillation method of instillation device, through set up liquid level detection subassembly on the solution bag, realize monitoring the solution surplus in the solution bag, when the liquid level height of solution is less than the settlement liquid level, instillation device auto-stop to the warning suggestion user, the user of being convenient for can in time master the solution surplus, avoids appearing the unable in time change of infusion bag, thereby leads to the condition emergence of air embolism.
Through set up the pressure measurement subassembly on the solution bag, the change of the pressure value in the real-time detection solution bag to send to the controller, the controller adjusts actuating mechanism to the output pressure of solution bag through comparing real-time pressure value and the first preset pressure value of predetermineeing, realizes that the pressure in the solution bag is invariable, and solution instills with invariable speed in the solution bag.
In some embodiments, before the step of the controller controlling the activation of the driving mechanism to pressurize the infusion set at the preset pressurizing rate in step S102, the method further comprises:
the controller controls the liquid level detection assembly to detect the liquid level height in the solution bag and judges whether the liquid level height in the solution bag is lower than a set liquid level or not, if so, the device is stopped and gives an alarm to prompt the replacement of the solution bag; if not, entering the next step; in this embodiment, the set level is the lowest level of the solution bag.
In some embodiments, in step S201, the step of adjusting a parameter of the driving mechanism and increasing the output pressure of the driving mechanism to the solution bag specifically includes:
identifying a type of drive mechanism;
if the driving mechanism adopts the motor driver in the first embodiment, the motor driver is adjusted to increase the rotating speed of the motor so as to increase the pressurizing speed of the push rod driven by the motor driver, and the specific calculation formula is as follows:
V 1 ＝i×n 1 ×P……⑴
v in the formula is the pressurizing speed of a motor driver driving push rod; i is the gear ratio, i =0.99 in the present embodiment; n is 1 The motor speed of the motor driver; p is the lead of the push rod.
As can be seen from the formula, the pressurizing speed of the push rod is in direct proportion to the motor speed of the motor driver, so that the motor speed of the motor driver is increased, the pressurizing speed of the motor driver for driving the push rod can be increased, and the output pressure of the driving mechanism to the solution bag is increased.
If the driving mechanism adopts the air pressure driver in the second embodiment, the air pressure driver is adjusted to increase the air inlet flow rate of the air cylinder in unit time, and the air cylinder speed regulating valve of the air pressure driver is adjusted to increase the air inlet flow rate so as to increase the pressure in the air cylinder cavity of the air pressure driver, thereby increasing the pressurizing speed of the air pressure driver and increasing the output pressure of the driving mechanism to the solution bag.
If the driving mechanism adopts the hydraulic driver in the third embodiment, the liquid inlet amount of the hydraulic cylinder is increased by adjusting the hydraulic driver, so that the pressure of the inner cavity of the hydraulic cylinder of the hydraulic driver is increased to increase the extension speed of the piston rod of the hydraulic driver, and the specific calculation formula is as follows:
V 2 ＝Q×η V /A……⑵；
wherein V 2 For the extension speed of the piston rod of the hydraulic actuator, Q is the liquid inlet amount of the hydraulic cylinder, A is the liquid inlet cavity area of the hydraulic cylinder, and for the volumetric efficiency of the hydraulic cylinder, η in this embodiment V ＝1。
It can be seen that by the formula, in this embodiment, the protrusion speed of piston rod is directly proportional with the feed liquor volume of pneumatic cylinder, consequently increases the feed liquor volume of pneumatic cylinder, can increase the protrusion speed of piston rod to the realization increases the output pressure of actuating mechanism to the solution bag.
If the driving mechanism adopts the peristaltic pump in the fourth embodiment, the pump head of the peristaltic pump is adjusted to increase the rotating speed, and the flow rate of the solution in the drip line in unit time is controlled by adjusting the rotating speed of the pump head, wherein the specific calculation formula is as follows:
Q＝λ*n*d 2 ……⑶
q in the formula is the flow of the peristaltic pump; λ is the flow coefficient, λ =1 in this embodiment; n is the pump head rotating speed of the peristaltic pump; d is the inner diameter of the drip line.
It can be seen from the formula "three", in this embodiment, the flow rate of the peristaltic pump is directly proportional to the pump head rotation speed of the peristaltic pump, so that the pump head rotation speed of the peristaltic pump is increased, the flow rate of the peristaltic pump can be increased, the flow rate of the solution in the drip tube is increased, and the drip speed of the solution bag is increased.
In some embodiments, in step S201, the step of adjusting a parameter of the driving mechanism to reduce the output pressure of the driving mechanism to the solution bag specifically includes:
identifying a type of drive mechanism;
if the driving mechanism adopts the motor driver in the first embodiment, the motor driver is adjusted to increase the rotating speed of the motor so as to increase the pressing speed of the motor driver for driving the push rod.
As can be seen from the above formula, the pressurizing speed of the push rod is in direct proportion to the motor rotation speed of the motor driver, so that the motor rotation speed of the motor driver is reduced, the pressurizing speed of the push rod driven by the motor driver can be reduced, and the output pressure of the driving mechanism to the solution bag is reduced.
If the driving mechanism adopts the air pressure driver in the second embodiment, the air pressure driver is adjusted to increase the air inlet flow rate of the air cylinder in unit time, and the air cylinder speed regulating valve of the air pressure driver is adjusted to reduce the pressure in the air cylinder cavity of the air pressure driver, so that the pressurizing speed of the air pressure driver is reduced, and the output pressure of the driving mechanism to the solution bag is increased.
If the driving mechanism adopts the hydraulic driver in the third embodiment, the liquid inlet quantity of the hydraulic cylinder is increased by adjusting the hydraulic driver, so that the pressure of the inner cavity of the hydraulic cylinder of the hydraulic driver is reduced, the extending speed of the piston rod of the hydraulic driver is reduced, and the specific calculation formula is shown in the formula II.
It can be seen from the formula that in this embodiment, the protrusion speed of the piston rod is in direct proportion to the liquid inlet quantity of the hydraulic cylinder, so that the liquid inlet quantity of the hydraulic cylinder is reduced, the protrusion speed of the piston rod can be reduced, and the output pressure of the driving mechanism to the solution bag is reduced.
If the driving mechanism adopts the peristaltic pump in the fourth embodiment, the pump head of the peristaltic pump is adjusted to increase the rotating speed, the rotating speed of the pump head is adjusted, and therefore the flow of the solution in the drip pipeline in unit time is controlled, and the specific calculation formula is shown in the formula three.
It can be seen from the formula "c", in this embodiment, the flow rate of the peristaltic pump is in direct proportion to the rotation speed of the pump head of the peristaltic pump, so that the rotation speed of the pump head of the peristaltic pump is reduced, the flow rate of the peristaltic pump can be reduced, the flow rate of the solution in the drip tube is reduced, and the drip speed of the solution bag is reduced.
In this embodiment, the output pressure of the driving mechanism to the solution bag is changed by 10mmHg each time the relevant parameter is adjusted.
This application passes through the controller and progressively adjusts actuating mechanism, makes the real-time pressure value in the solution bag can maintain at the settlement within range with the difference of predetermineeing the pressure value to realize that the pressure in the solution bag is invariable, make instillation device's solution can drip at the uniform velocity.
In some embodiments, after the step S102 of controlling the activation of the drive mechanism to pressurize the infusion set at a constant preset rate, the method further comprises:
the controller controls the liquid level detection assembly to carry out liquid level detection within the second set time, and if the liquid level change is not detected within the second set time, the drip device is controlled to stop and an alarm is given, and in the embodiment, the second set time is 60s.
In some embodiments, after the step S106 of running the first set time step, and before the step of stopping the control drive mechanism, the method further comprises the steps of: the controller controls the liquid level detection assembly to detect the liquid level in the solution bag, and judges whether the liquid level in the solution bag is lower than a set liquid level, and then the instillation device is controlled to stop and an alarm is given.
In an embodiment, a readable storage medium is provided, and the readable storage medium stores a computer program, and the computer program is executed by a processor to implement the instillation method in the above embodiments, and for avoiding repetition, the details are not described here.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications can be made to the embodiments described in the foregoing detailed description, or equivalents can be substituted for some of the features described therein. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A drip device is characterized by comprising a controller, a driving mechanism, a sensing mechanism and a drip component;
the drip-feed assembly comprises a solution bag and a drip-feed pipeline, and the drip-feed pipeline is communicated with a liquid outlet of the solution bag;
the driving mechanism is arranged in parallel with the drip assembly and is used for applying pressure to the drip assembly;
the sensing mechanism comprises a pressure detection assembly and a liquid level detection assembly which are arranged on the solution bag, the pressure detection assembly is used for detecting the pressure value in the solution bag, and the liquid level detection assembly is used for detecting the liquid level height in the solution bag;
the pressure detection assembly and the liquid level detection assembly are respectively in signal connection with the controller, and the controller is in control connection with the driving mechanism;
the controller is used for receiving the signals transmitted by the induction mechanism, processing the signals and controlling the driving mechanism to operate according to the processed signals.
2. The instillation device according to claim 1, wherein the driving mechanism is a motor driver, the motor driver is arranged in parallel with the solution bag, a push rod is connected to an end portion of an output shaft of the motor driver, an end portion of the push rod is in contact with the solution bag, and the motor driver is used for controlling the push rod to move towards the solution bag at a constant speed so as to apply a constant pressure to the solution bag; or
The driving mechanism is an air pressure driver, the air pressure driver is arranged in parallel with the solution bag, the end part of a piston rod of the air pressure driver is in contact with the solution bag, and the air pressure driver drives the piston rod to move towards the solution bag at a constant speed to apply constant pressure to the solution bag; or
The driving mechanism is a hydraulic driver, the hydraulic driver is arranged in parallel with the solution bag, the end part of a piston rod of the hydraulic driver is in contact with the solution bag, and the hydraulic driver drives the piston rod to move towards the solution bag at a constant speed to apply constant pressure to the solution bag; or
The drive mechanism is a peristaltic pump, the peristaltic pump and the instillation pipeline are arranged in parallel, and the pump head of the peristaltic pump clamps the instillation pipeline.
3. An instillation method applied to the instillation device of claim 1 or claim 2, comprising the steps of:
the method comprises the following steps that a controller obtains relevant parameters, wherein the relevant parameters comprise a first set pressure value and the pressurizing speed of a driving mechanism, and the first set pressure value is a constant pressure value in a solution bag when a dripping device drips;
the controller controls the driving mechanism to start, and the drip assembly is pressurized at a preset pressurizing speed;
the controller controls the pressure detection assembly to detect a real-time pressure value in the solution bag as a second set pressure value;
the controller judges whether the difference value between the first set pressure value and the second set pressure value is within a set range;
if not, controlling the driving mechanism to adjust the pressurizing speed;
if yes, the driving mechanism is controlled to stop after the operation for the first set time, and the constant-pressure instillation is completed.
4. The instillation method of claim 3, wherein prior to the step of the controller controlling the activation of the drive mechanism to pressurize the instillation assembly at the preset pressurization rate, the method further comprises the steps of:
the controller controls the liquid level detection assembly to detect the liquid level height in the solution bag and judges whether the liquid level height in the solution bag is lower than a set liquid level or not, wherein the set liquid level is the lowest liquid level of the solution bag;
if yes, the instillation device is controlled to stop and give an alarm to prompt the replacement of the solution bag.
5. The instillation method according to claim 3, wherein the step of adjusting the pressurization speed of the drive mechanism comprises the steps of:
the controller compares the first set pressure value with the second set pressure value;
if the first set pressure value is larger than the second set pressure value, adjusting the parameters of the driving mechanism, and increasing the pressurizing speed of the driving mechanism to increase the output pressure of the driving mechanism to the solution bag;
if the first set pressure value is smaller than the second set pressure value, adjusting parameters of the driving mechanism, and reducing the pressurizing speed of the driving mechanism so as to reduce the output pressure of the driving mechanism to the solution bag.
6. The instillation method according to claim 5, wherein the step of adjusting the parameter of the driving mechanism to increase the pressurizing speed of the driving mechanism to increase the output pressure of the driving mechanism to the solution bag comprises:
identifying a type of the drive mechanism;
if the driving mechanism is a motor driver, adjusting the motor driver to increase the rotating speed of the motor to increase the pressurizing speed of the motor driver so as to increase the output pressure of the motor driver to the solution bag;
if the driving mechanism is an air pressure driver, adjusting the air pressure driver to increase the air inlet flow rate of the air cylinder to increase the pressure of the inner cavity of the air cylinder, so as to increase the pressurizing speed of the air pressure driver and increase the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a hydraulic driver, adjusting the hydraulic driver to increase the liquid inlet amount of the hydraulic cylinder, so as to increase the pressure of the inner cavity of the hydraulic cylinder of the hydraulic driver, increase the pressurizing speed of the hydraulic driver and increase the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a peristaltic pump, adjusting the pump head of the peristaltic pump to increase the rotating speed so as to increase the flow rate of the solution in the drip tube.
7. The instillation method according to claim 5, wherein the step of adjusting the parameter of the driving mechanism to decrease the pressurizing speed of the driving mechanism to decrease the output pressure of the driving mechanism to the solution bag comprises:
identifying a type of the drive mechanism;
if the driving mechanism is a motor driver, adjusting the motor driver to reduce the rotating speed of the motor to reduce the pressurizing speed of the motor driver so as to reduce the output pressure of the motor driver to the solution bag;
if the driving mechanism is an air pressure driver, adjusting the air pressure driver to reduce the air inlet flow rate of the air cylinder to reduce the pressure of the inner cavity of the air cylinder so as to reduce the pressurizing speed of the air pressure driver and reduce the output pressure of the driving mechanism to the solution bag;
if the driving mechanism is a hydraulic driver, adjusting the hydraulic driver to reduce the liquid inlet amount of the hydraulic cylinder to reduce the pressure of the inner cavity of the hydraulic cylinder of the hydraulic driver so as to reduce the pressurizing speed of the hydraulic driver and reduce the output pressure of the hydraulic driver to the solution bag;
if the driving mechanism is a peristaltic pump, the pump head of the peristaltic pump is adjusted to reduce the rotating speed so as to reduce the flow rate of the solution in the drip tube.
8. The instillation method of claim 3, wherein after the step of actuating the control drive mechanism to pressurize the instillation assembly at a preset pressurization rate, the method further comprises:
the controller controls the liquid level detection assembly to carry out liquid level detection within a second set time, and if liquid level change is not detected within the second set time, the drip device is controlled to stop, and alarm prompt is given.
9. The instillation method of claim 3, wherein after the running first set time step, and prior to the controlling drive mechanism shutdown step, the method further comprises the steps of:
the controller controls the liquid level detection assembly to detect the liquid level in the solution bag and judges whether the liquid level in the solution bag is lower than a set liquid level or not; if yes, the drip device is controlled to stop, and an alarm is given.
10. A readable storage medium storing computer instructions which, when executed by a processor, carry out the instillation method according to any of claims 3 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211029825.7A CN115252957A (en) | 2022-08-25 | 2022-08-25 | Instillation device, method and readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211029825.7A CN115252957A (en) | 2022-08-25 | 2022-08-25 | Instillation device, method and readable storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115252957A true CN115252957A (en) | 2022-11-01 |
Family
ID=83754175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211029825.7A Pending CN115252957A (en) | 2022-08-25 | 2022-08-25 | Instillation device, method and readable storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115252957A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6657545B1 (en) * | 2002-07-05 | 2003-12-02 | Yu-Yueh Lin | Automatic detecting and prewarning system for medicine instiller |
| US20040217191A1 (en) * | 1999-01-21 | 2004-11-04 | Sugino Machine Limited | Liquid pressurizing device |
| CN107715232A (en) * | 2017-11-27 | 2018-02-23 | 曹宏霞 | Automatic-boosting infusion device |
| US20200114072A1 (en) * | 2018-10-15 | 2020-04-16 | Carefusion 303, Inc. | Monitoring upstream flow characteristics for a pump |
| CN210813106U (en) * | 2019-07-29 | 2020-06-23 | 张宏玲 | Novel nursing infusion pump for general department |
| CN112618858A (en) * | 2020-12-31 | 2021-04-09 | 上海应用技术大学 | Infusion pump control system |
-
2022
- 2022-08-25 CN CN202211029825.7A patent/CN115252957A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040217191A1 (en) * | 1999-01-21 | 2004-11-04 | Sugino Machine Limited | Liquid pressurizing device |
| US6657545B1 (en) * | 2002-07-05 | 2003-12-02 | Yu-Yueh Lin | Automatic detecting and prewarning system for medicine instiller |
| CN107715232A (en) * | 2017-11-27 | 2018-02-23 | 曹宏霞 | Automatic-boosting infusion device |
| US20200114072A1 (en) * | 2018-10-15 | 2020-04-16 | Carefusion 303, Inc. | Monitoring upstream flow characteristics for a pump |
| CN210813106U (en) * | 2019-07-29 | 2020-06-23 | 张宏玲 | Novel nursing infusion pump for general department |
| CN112618858A (en) * | 2020-12-31 | 2021-04-09 | 上海应用技术大学 | Infusion pump control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7635349B2 (en) | Syringe pumps | |
| US20200038249A1 (en) | Wound therapy system with wound volume estimation | |
| KR101633497B1 (en) | A method and apparatus for measuring volum of wound | |
| RU2628647C2 (en) | Injector for fluid injection into human or animal body and method to control this injector | |
| KR20160033167A (en) | Spray system pressure differential monitoring | |
| US6393338B1 (en) | Apparatus and control method for accurate rotary peristaltic pump filling | |
| EP2671447A1 (en) | Agricultural crop and field sprayer and method for controlling an agricultural crop and field sprayer | |
| JP2000316970A (en) | Automatic control type portable instillator | |
| US20130058796A1 (en) | Dosing pump unit | |
| WO2012016677A1 (en) | Device with a peristaltic hose pump and associated method | |
| US5230608A (en) | Positive feed system for wallboard tape applicators | |
| JP3508378B2 (en) | Liquid pressurizer | |
| WO2020091831A1 (en) | Wound therapy tubeset system for wound volume estimation | |
| CN115252957A (en) | Instillation device, method and readable storage medium | |
| US20160290329A1 (en) | Portable air compressor | |
| CN105169520A (en) | Electronic infusion pump and exhaust control method | |
| NZ506503A (en) | Multi-syringe piston driver controlled in accordance with sensed piston drive force | |
| EP0050296B1 (en) | A pulsation-free volumetric pump | |
| CN112107761B (en) | Infusion pump, infusion pump working method, medical equipment and storage medium | |
| JP2871565B2 (en) | Roller head extruder and control method thereof | |
| JP2553383B2 (en) | Paint pump pump controller | |
| US20230302218A1 (en) | Control device for a peristaltic pump, peristaltic pump, injection apparatus and method for controlling a peristaltic pump | |
| CN208565098U (en) | A kind of rotary electro-hydraulic driver | |
| US3899106A (en) | Liquid metering device | |
| CN208243846U (en) | A kind of ganglioside GM_3 high pressure Continuous Perfusion system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |