WO2022114267A1 - Appareil d'injection automatique et procédé de commande associé - Google Patents

Appareil d'injection automatique et procédé de commande associé Download PDF

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Publication number
WO2022114267A1
WO2022114267A1 PCT/KR2020/016956 KR2020016956W WO2022114267A1 WO 2022114267 A1 WO2022114267 A1 WO 2022114267A1 KR 2020016956 W KR2020016956 W KR 2020016956W WO 2022114267 A1 WO2022114267 A1 WO 2022114267A1
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WO
WIPO (PCT)
Prior art keywords
injection
ampoule
control
motor
automatic
Prior art date
Application number
PCT/KR2020/016956
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English (en)
Korean (ko)
Inventor
염현철
Original Assignee
메디허브 주식회사
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 메디허브 주식회사 filed Critical 메디허브 주식회사
Priority to PCT/KR2020/016956 priority Critical patent/WO2022114267A1/fr
Publication of WO2022114267A1 publication Critical patent/WO2022114267A1/fr

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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
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • 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
    • A61M5/44—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 having means for cooling or heating the devices or media

Definitions

  • the present invention relates to an automatic injection device and a method for controlling the same. More specifically, an automatic injection device that automatically determines whether the self-injection point is normal by detecting the injection pressure and automatically determines the self-injection point by detecting the injection pressure so that automatic injection can be controlled at a fixed and constant speed; By installing a communication module and USB output unit in the device to output the injection information in real time, it is possible to output the injection information in real time so that an external device can manage the patient's injection information and injection information. It relates to a control method of an automatic injection device capable of controlling aspiration or automatic injection by driving a motor only when it is installed.
  • the drug auto-injector is a device designed to allow a user to inject a predetermined amount of a drug into a subcutaneous tissue or a muscle.
  • a general auto-injector is equipped with an ampoule containing a drug for treatment or an anesthetic component inside a case having a cartridge inside.
  • the ampoule is configured to be connected to a needle or needle assembly.
  • Korean Patent Laid-Open No. 10-2007-0069261 discloses a prior art auto-injector, which is provided with an ampoule conveying means and a piston conveying means, and controls the ampoule conveying means and the piston conveying means by a control unit, respectively, of the main body. It is configured to control and display the operating state on the back side. According to this configuration, the drug component is injected into the patient's body by moving with a predetermined pressure with a needle mounted at the end.
  • the recent autoinjector proposes a concept of adjusting the operation of the actuator in two stages or in multiple stages. In this case, it is possible to reduce pain during drug injection by injecting into the affected part of the patient through a pre-programmed step in the control unit.
  • the insertion point Even if the insertion point is found in the aspiration test, the insertion point may be shifted due to movement or pressure during injection. Problems that can cause great pain or medical accidents occur.
  • an object of the present invention is to provide an automatic injection device that detects an injection pressure during automatic injection and automatically determines whether it is a normal injection.
  • the present invention enables real-time injection information management by outputting injection information by automatic injection to an external device through wireless communication or USB port, and by detecting whether or not the ampoule is installed and driving the motor only when the ampoule is normally installed,
  • An object of the present invention is to provide a control method of an automatic injection device that enables inspiration or automatic injection control.
  • the present invention is equipped with an ampoule holder on the tip of the auto-injector body, and includes a needle coupling part for coupling a needle to the tip of the ampoule holder, and the injection liquid ampoule is inserted and mounted in the ampoule holder, and the auto-injector body's It provides a control device, a motor and an automatic injection device provided with a transport device configured to move the sliding seal of the ampoule in the ampoule holder back and forth by the motor and a battery device for power supply.
  • control device includes a motor driving unit for rotating and driving the motor in a forward and reverse direction, a pressure detecting unit for detecting an injection pressure by detecting a driving load of the motor, controlling the charging of the battery, and applying the battery voltage to the injection device.
  • a battery power supply unit for supplying driving voltage, a setting and display menu through the setting button of the display unit, a setting unit for setting the injection amount and injection rate at a time, and a setting unit for determining the input of the setting button to control the setting unit, start / Based on the input of the hold button, the aspiration button and the stop button, the injection control is performed by controlling the motor driving unit with the one-time injection capacity and injection speed set in the setting unit, and the self-injection point is determined by the detection information of the pressure detection unit and a control unit for controlling the automatic injection device while performing display control of the injection pressure and the injection speed.
  • the present invention provides a control method of an automatic injection device for transferring a plunger using a motor and automatically injecting a drug by pressing the plunger into an ampoule, the method comprising a short-range wireless communication means and a USB device for the automatic injection device a setting step of providing an output means and setting at least one of a display menu, a single injection dose, an injection rate, and an injection time based on an input of a setting button; an aspiration step for confirming a self-injection point by performing suction control by rotating the motor reversely for a predetermined time by inputting an aspiration button; It is determined whether the aspiration step has been executed, and if the aspiration step has not been executed, the execution of the aspiration step is displayed, and only after the aspiration step is executed, based on the input of the start/hold button an injection step of controlling the motor driving unit with a motor control value corresponding to the set capacity and speed to control the injection and display the injection speed or injection pressure; an injection rate varying step of
  • the present invention is a control method of an automatic injection device for automatically injecting a drug by pressurizing an ampoule through a transfer means using a motor.
  • Ampoule detection step a setting step of setting at least one of a display menu, a single injection dose, an injection rate, and an injection time based on an input of a setting button;
  • an aspiration step for checking a self-injection point by performing suction control by reversely rotating the motor for a predetermined time by inputting an aspiration button; It is determined whether the aspiration step has been executed, and if the aspiration step has not been executed, the execution of the aspiration step is displayed, and only after the aspiration step is executed, based on the input of the start/hold button
  • the injection step of controlling the injection control by controlling the motor driving unit with the motor control value corresponding to the set capacity and speed and displaying the injection speed or injection pressure, and the injection speed according to the additional input of the start/hold button in the injection
  • the automatic injection device can prevent medical accidents in advance, and maximize the patient's ability to adapt to pain, thereby minimizing the feeling of foreign body and pain in the patient by allowing the drug injection to be completed within a quick procedure time.
  • control method of the automatic injection device can manage the injection information by automatic injection in real time, prevent the injection information management error for each patient, and detect the ampoule mounting to ensure that the ampoule is normally installed. There is an effect that can control aspiration or automatic injection by driving the motor only in this case.
  • FIG. 1 is a perspective view of an automatic injection device of a first embodiment according to the present invention.
  • Figure 2 is a side cross-sectional configuration example of the automatic injection device of the first embodiment according to the present invention.
  • FIG. 3 is a block diagram of the control device of the automatic injection device according to the present invention.
  • Figure 4 is a control flow chart of the automatic injection device according to an embodiment of the present invention.
  • a part when a part is 'connected' to another part, it includes not only a case in which it is directly connected, but also a case in which another element or device is interposed therebetween.
  • a part 'includes' a certain component this means that other components may be further included, rather than excluding other components, unless otherwise stated.
  • Figure 1 is a perspective view of the automatic injection device of a first embodiment according to the present invention
  • Figure 2 is a side cross-sectional view of the configuration of the automatic injection device of the first embodiment according to the present invention.
  • the automatic injection device of the first embodiment according to the present invention is equipped with an ampoule holder 12 on the tip of the automatic injector body 11, and includes a needle coupling part for coupling a needle (injection needle) to the tip of the ampoule holder 12 do.
  • the ampoule holder 12 is detachable, and the injection solution ampoule is inserted into the ampoule holder 12 and loaded.
  • a control device 18, a motor 16, and a transport device 17, a battery device ( 19) is installed inside the autoinjector body 11.
  • a start and hold button 14 is installed on the upper front surface of the autoinjector body 11, and a display and operation unit 15 is installed on the rear end upper surface.
  • an aspiration button 14-1 for suction control is installed on one side of the body 11 and configured.
  • a stop button not shown in the drawing is further included.
  • the display unit 15 includes a setting button, and the one-time injection dose setting displays a plurality of display bars, and the number of times to divide and inject the drug in one ampoule is selected by selecting the number of display bars. , set one injection dose, and setting the injection rate, display the display bar in multiple steps, set the injection rate by pressing the setting button to select the number of display bars corresponding to the injection rate, and the injection rate It is characterized in that the step control value of the motor corresponding to , and the motor driving speed control value corresponding to the injection speed are set.
  • the injection volume is displayed as a predetermined reference numerical value
  • the one-time injection dose is set by changing the injection volume up and down through the setting button
  • the injection rate is also performed by setting the predetermined reference injection rate up and down through the setting button. It is characterized in that the speed is set by varying the speed.
  • the automatic injection device 10 inserts and mounts an ampoule for local anesthesia in the ampoule holder 12 .
  • the ampoule for local anesthesia is an ampoule containing an injection solution of a predetermined volume, and the injection solution is charged inside a cylinder type, a sliding seal is installed at the rear end, and the sliding seal is transferred to inject the injection solution.
  • the inserted ampoule is inserted and mounted in the ampoule holder 12 of the present invention, and a transfer device 17 driven by a motor is installed to transfer the sliding seal of the ampoule in the ampoule holder 12 .
  • the motor 16 After inserting the needle into the local anesthesia site, when the aspiration button 14-1 is pressed, the motor 16 reverses a predetermined step set by the program and the transfer device 17 moves backward to close the sliding seal of the ampoule. As it pulls to generate suction, check whether blood is sucked with the needle when it is inserted into the blood vessel.
  • Normal injection is judged by the blood suction state in the aspiration test. Press the start/hold button (14) to start the injection. At this time, the control device 18 controls the motor 15 at a constant step and a constant speed for the set fixed dose and constant speed injection to move the conveying device 17 as much as the fixed dose injection distance and controls the feeding at a constant speed.
  • the injection speed is displayed through the display unit (15). If it is desired to change the fast injection speed during normal injection, if the start and hold button 14 is additionally pressed during injection, the injection speed can be manually adjusted and controlled in response thereto.
  • the injection is started by the button 14 input, and when the hold state is reached according to the button 14 input, the automatic injection mode is changed and injection is performed according to the preset drug injection amount and time. .
  • the mode is converted to a manual injection mode in conjunction with the input of the button 14, and the The injection amount and injection rate are changed.
  • the automatic injection device includes a display unit 15 disposed on one surface of the body to display a screen including a selection menu for a drug injection speed (SPEED). It is also possible to additionally display a selection menu related to the injection amount in addition to the injection speed on the display unit 15 .
  • SPEED drug injection speed
  • the body is provided with a setting button (15-1) for setting the injection amount of the drug on the outer surface.
  • the motor 16 is driven by direct interlocking with a driving control signal of the control device 18 in the automatic injection mode or a button input in the manual injection mode, thereby generating a rotational force of the screw.
  • the screw is formed in the longitudinal direction inside the body, and a thread is formed on its outer circumferential surface.
  • a nut is coupled to one side of the screw, and the plunger coupled to the nut is reciprocated according to the rotation of the screw.
  • the configuration for transferring the plunger may be configured to directly reciprocate the plunger using a linear motor.
  • the control device 18 controls the rotation amount and rotation speed of the motor 16 to control the transfer amount and transfer speed of the plunger, and through this, the injection amount and injection speed of the drug discharged through the needle of the needle unit 13 Controlled.
  • the inside of the ampoule holder 12 may be provided with a heating unit 12-1 that receives power from the battery device 19 and emits heat.
  • the heating unit 12-1 may be implemented as a coil or the like, and the heat generated by the heating unit 12-1 serves to increase the temperature of the injection solution in the ampoule mounted on the ampoule holder 12. .
  • the temperature of the drug injected into the human body is increased by 20 to 30 degrees by the heat generating part 12-1, thereby minimizing discomfort due to the temperature difference during drug injection and relieving pain.
  • a syringe adapter capable of mounting a disposable syringe may be detachably provided in the ampoule holder 12 .
  • a syringe adapter capable of mounting a disposable syringe may be detachably provided in the ampoule holder 12 .
  • the automatic injection device of the present invention when a syringe adapter is provided in the ampoule holder 12, a disposable syringe is mounted on the syringe adapter, the dose of the drug to be injected is set in advance, and then the start and hold button 14 is pressed. When actuated, the plunger of the disposable syringe is retracted by the transfer device 17 . Therefore, it is possible to implement a function of automatically loading a drug by a preset dose into a disposable syringe.
  • FIG. 3 is a block diagram of the control device of the automatic injection device according to the present invention.
  • the motor driving unit 112 for rotating the motor in the forward and reverse directions, the pressure detecting unit 114 for detecting the injection pressure by detecting the driving load of the motor 16, and the transfer position of the plunger reciprocated by the motor
  • the control unit of the control device determines the replacement time of the ampoule based on the position detection information detected by the transfer position detection unit, and grasps the volume of the injection solution remaining in the ampoule. It may be configured to limit automatic infusion start as well as notification of insufficient dose.
  • the control apparatus of the injection device according to the present invention configured as described above includes a setting button 15-1 on the display unit 15, and the setting unit 124 sets control information. Although shown as a single button in the drawings, the present invention is not limited thereto, and a plurality of buttons are provided to control menu selection and information selection and setting in the corresponding menu.
  • the display unit 15 may be configured as a touch pad type display to provide a menu on the screen so that setting information can be input by touching the screen.
  • a basic setting one injection volume can be set, the injection rate can be set, and the injection speed or injection pressure can be selected as display information.
  • a plurality of display bars are formed, and the display bars can be additionally selected one by one by pressing the setting button. It is provided with four display bars and when pressed once, one display bar is selected and cycled in such a way that the display bar is selected according to the number of times of pressing.
  • the injection rate is also provided with a plurality of display bars, and the injection rate can be selected in a plurality of stages by cycling the speed bars one by one according to the number of pressing of the setting button.
  • the injection volume is displayed as a predetermined reference numerical value
  • the one-time injection dose is set by changing the injection volume up and down through the setting button
  • the injection rate is also performed by setting the predetermined reference injection rate up and down through the setting button. It is characterized in that the speed is set by varying the speed.
  • the display and setting method as described above can be used in the case of a fixed panel, can be configured as a touch panel display, and display a display menu, a setting menu, and various control menus by the control of the control unit, and display the menu It can be implemented by touching to set.
  • the pressure detection unit 114 detects the load amount of the motor driving unit 112 and detects it as the injection pressure.
  • the transfer position detection unit 116 detects the position of the plunger to control whether the initial position, the injection amount, or the injection end.
  • the ampoule mounting detection unit 118 is for detecting whether automatic injection is ready by mounting the ampoule in the ampoule holder.
  • the communication module 126 and the USB output unit 128 outputs information such as the number of injections, such as the number of injections, the injection amount, the injection time, etc. through short-range wireless communication (eg, Wi-Fi, Bluetooth, ..), or through a USB port. to output.
  • short-range wireless communication eg, Wi-Fi, Bluetooth, ..
  • the injection information output in this way is transmitted to a smartphone, PC, or tablet on which the application is installed so that it can be managed as injection history information for each patient.
  • injection information for each patient has to be manually input, but using the present invention, injection information can be automatically entered into an application and managed, and the consumption amount of injection ampoules, types of injections, etc. can be managed.
  • control unit 110 controls each of the detection units 114, 116, and 118 to receive detection information, determines the input information of the buttons 15-1, 14, 14-1, and sets information and , display, injection control, and output control are performed.
  • the present invention can automatically determine and control the start and ampoule replacement by ampoule detection and transfer position detection. , Automatic injection may not be started or indicated and notified when there is less than a single injection dose remaining.
  • the end position can be known when the transfer position is detected.
  • the remaining injection dose can be grasped by the current location information, so that when it is insufficient than the one injection dose, it is possible to notify this and limit the automatic injection not to start.
  • FIG. 4 is a control flowchart of an automatic injection device according to an embodiment of the present invention.
  • a setting step (S20) of setting an abnormality an aspiration step (S30) for confirming the self-injection point by performing suction control by reversely rotating the motor for a predetermined time by inputting the aspiration button, and input of the start/hold button
  • the injection is controlled by controlling the motor driving unit with the motor control value corresponding to the capacity and speed set based on the setting, and the injection speed or injection pressure is displayed in the injection step (S40), and in the injection step (S40), it is detected through the pressure detector.
  • the one-time injection completion step (S70) of stopping the It characterized in that it comprises an initialization step (S80) of reversing the motor to reverse the plunger to the initial position.
  • each scan information is stored.
  • the stored scan information outputs real-time or stored scan information to an external device through short-range wireless communication or a USB output unit.
  • the external device may be a digital device such as a smartphone, PC, or tablet.
  • a digital device such as a smartphone, PC, or tablet.
  • the PC may be a PC installed with an application for patient management of a hospital, and the PC can store injection information for each patient and analyze and manage it as patient information.
  • the PC can store injection information for each patient and analyze and manage it as patient information.
  • by counting the number of times of ampoule replacement it is possible to grasp the amount of use for each ampoule in the hospital, and to manage consumables such as disposable needles.
  • the user inserts and mounts the ampoule loaded with the injection solution into the ampoule holder 12 . Accordingly, the transfer device 17 driven by the motor 16 can control the automatic injection by transferring the ampoule sliding shield forward and backward.
  • the injection device detects whether the ampoule is mounted on the ampoule holder 12 from the ampoule mounting detection unit 118 (S10). If the ampoule is mounted normally, the display menu of the display unit 15 and the setting for one injection volume and injection speed are made. This may be set by input of a setting button, or a preset setting value may be checked.
  • the setting menu can be checked before the ampoule mounting is detected, and the setting can be set by first manipulating the setting.
  • the setting unit 124 sets a display menu displayed on the display unit 15 .
  • the setting method may select a display menu by a predetermined program, such as a setting mode, an injection speed display mode, an injection pressure display mode, etc. by input of the setting button (15-1).
  • the setting mode it is possible to set one injection volume, injection speed, or control information required for automatic control.
  • the display mode can be displayed by selecting the injection speed or injection volume.
  • the injection needle is inserted.
  • the aspiration control is performed by inputting the aspiration button (S30). This is to check whether the injection needle is inserted into the blood vessel before the initial injection of the injection solution. Suction control is performed by rotating the motor in reverse. Check if blood is aspirated by reverse control.
  • the injection is started.
  • a motor is driven with a motor control value corresponding to a preset dose for one injection.
  • the transfer device advances the ampoule sliding shield and injects the injection solution. At this time, it is automatically controlled as much as the one-time dose control value.
  • the motor driving speed is controlled at the initially set speed.
  • the injection pressure or injection speed is displayed according to the selected display mode. Of course, it is also possible to display the injection pressure and the injection rate together.
  • the injection pressure is determined (S50).
  • the injection pressure may be determined as the injection pressure by detecting the load amount of the motor.
  • a pressure sensor may be installed in a portion for transferring the ampoule sliding shield to measure the pressure pushing the sliding shield. In this way, by measuring the injection pressure, display control is performed, and the pressure is compared with the preset normal range pressure.
  • the pressure drops significantly than the normal drug injection pressure, so it is possible to detect a pressure significantly lower than the normal injection pressure and provide a beep notification function to provide a medical accident prevention function.
  • the injection speed or injection amount may be varied by additionally inputting the start/hold button (S60). If the start button is additionally inputted while performing automatic injection in the hold mode at a preset dose and speed, the injection speed can be varied, and the hold state can be controlled after the injection speed is varied.
  • the automatic control mode is converted to the manual control mode, and in the manual control mode, the injection solution injection is continued for the holding time by keeping the start/hold button pressed.
  • the injection amount can be controlled by manual operation.
  • This mode conversion automatically displays the mode conversion status on the display and selectively displays the injection volume, injection pressure, injection time, injection speed, etc., so that the doctor can precisely manipulate the patient while checking the digitized values.
  • the injection speed step is set in advance on the program to control the speed added step by step. The reason for the need to increase the speed is that the speed can be increased for fast injection when the injection is normally started and the patient does not feel pain.
  • the injection dose control is automatically converted to manual control, and when the start/hold button is released, the injection control is terminated. This can be used to manually control the injection volume.
  • one injection is completed according to the motor control value corresponding to the one-time injection set capacity or the transfer position (S70). It sets the control value of the stepper motor in response to the one-time injection capacity, and after starting injection, drives only the corresponding motor control value and then stops.
  • the single injection volume may be controlled by detecting the transfer position.
  • the one-time injection After the one-time injection is completed as described above, it returns to the injection control step (S40) and repeats the injection for the single injection dose.
  • the motor is reversely rotated with a preset reverse control value at the completion of one injection to release the pressurized pressure. Therefore, the injection needle is withdrawn in a state where the pressure is released to prevent leakage of the injection solution.
  • the ampoule replacement timing is determined by detecting the transfer position to determine the ampoule replacement timing. Alternatively, if the number of divided injections per one ampoule is set in the setting mode, the number of injections per dose is determined to determine the ampoule replacement time. If it is determined as the ampoule replacement time, the motor is reversely rotated to initialize to the initial position (S80).
  • the remaining capacity ie, the remaining number of scans
  • the remaining capacity may be determined and displayed on the display unit based on the transfer position detection information when one injection is completed or the motor is stopped.
  • the dose is set by dividing the ampoule and injecting it when it is in the initial position, divide the number of divisions from the initial position to the end position, calculate the remaining number of injections based on the current position detection information, and display it on the display can do.

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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

La présente invention concerne un appareil d'injection automatique et un procédé de commande associé, dans lequel un volume d'injection unique et une vitesse d'injection sont définis à l'avance pour commander un moteur à la quantité et à la vitesse fixes réglées, la pression pendant l'injection est détectée pour déterminer automatiquement si l'injection est une injection normale, la commande d'aspiration ou d'injection automatique peut être effectuée par détection d'une installation d'ampoule et entraînement du moteur uniquement lorsque l'ampoule est installée normalement et des informations concernant l'injection par injection automatique sont délivrées à un dispositif externe par l'intermédiaire d'une communication sans fil ou d'un port USB pour permettre une gestion d'informations d'injection en temps réel. La présente invention peut empêcher des accidents médicaux et maximise l'adaptabilité à la douleur d'un patient de sorte que l'injection de médicament peut être achevée en un court laps de temps, ce qui a pour effet de réduire au minimum la douleur du patient ou la sensation ressentie en raison de la présence d'un corps étranger.
PCT/KR2020/016956 2020-11-26 2020-11-26 Appareil d'injection automatique et procédé de commande associé WO2022114267A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN115524432A (zh) * 2022-09-22 2022-12-27 内蒙古仓颉科技有限公司 一种色谱分析仪智能分离样品系统
CN115524432B (zh) * 2022-09-22 2023-10-20 内蒙古仓颉科技有限公司 一种色谱分析仪智能分离样品系统

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