WO2022116963A1 - Dispositif de drainage et méthode de contrôle associée, et terminal - Google Patents

Dispositif de drainage et méthode de contrôle associée, et terminal Download PDF

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Publication number
WO2022116963A1
WO2022116963A1 PCT/CN2021/134358 CN2021134358W WO2022116963A1 WO 2022116963 A1 WO2022116963 A1 WO 2022116963A1 CN 2021134358 W CN2021134358 W CN 2021134358W WO 2022116963 A1 WO2022116963 A1 WO 2022116963A1
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WO
WIPO (PCT)
Prior art keywords
drainage
height
bottle
data
drainage bottle
Prior art date
Application number
PCT/CN2021/134358
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English (en)
Chinese (zh)
Inventor
余英
Original Assignee
深圳市迪曼医疗科技有限公司
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Publication of WO2022116963A1 publication Critical patent/WO2022116963A1/fr

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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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • 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
    • A61M2205/3334—Measuring or controlling the flow rate
    • 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0693—Brain, cerebrum

Definitions

  • the present application relates to the technical field of medical devices, in particular to a drainage device, a control method and a terminal thereof.
  • External cranial drainage is a commonly used treatment method in clinical craniotomy.
  • cerebrospinal fluid and intracranial hemorrhage are drained to the outside of the brain, thereby reducing the pressure on brain tissue, and can also control intracranial pressure and reduce brain pressure.
  • the effect of edema The most important thing for continuous external drainage of the brain is how to control the drainage speed of the drainage fluid with different characteristics. Too fast speed will lead to excessive drainage and lead to life-threatening intracranial hemorrhage. If the speed is too slow, the drainage will be poor. Small, easy to cause blockage, and finally form or further aggravate the occurrence of intracranial infection or fail to obtain satisfactory therapeutic effects.
  • Existing extracranial drainage systems mainly include drainage catheters, drainage bottles and fluid collection bags.
  • a drainage catheter is placed in the brain to drain the cerebrospinal fluid or blood to the drainage bottle, and the fluid collection bag collects the drainage material from the drainage bottle.
  • the position of the drainage bottle can control the drainage speed, and the height of the drainage bottle directly reflects the level of intracranial pressure that needs to be controlled. Too high a position can lead to poor drainage, while too low a position can lead to low intracranial pressure and complications such as intracranial hemorrhage.
  • the adjustable stents on the market can change the hanging height of the drainage bottle, such devices require medical staff to operate the whole process, and the operation process is strict.
  • the height adjustment of the drainage bottle is often based on the observation of the patient's condition and the accumulation of medical and nursing experience.
  • the height of the drainage bottle is accurately adjusted according to the amount of drainage in a certain period of time to achieve accuracy. It is difficult for personnel to record the drainage flow at all times.
  • the total amount of drainage in the previous 24 hours is used as a reference. The consequence will lead to the problem of excessive drainage or insufficient drainage, and it is impossible to observe and adjust the drainage plan in advance.
  • the current adjustment method is hysteretic and inaccurate, which can easily lead to excessive drainage or insufficient drainage, and has a great potential medical safety hazard.
  • the management of extracranial drainage is listed as important. project, and the current clinical use of manual adjustment solutions requires a lot of manpower in the case of a shortage of medical staff.
  • the technical problem to be solved by the present application is to provide a drainage device and a control method thereof, aiming at solving the problem of excessive drainage or insufficient drainage caused by low accuracy of height adjustment of drainage bottles in the related art.
  • the drainage device provided by this application includes a bracket and a mounting frame for installing a drainage bottle, and the drainage device further includes: a lifting mechanism, a flow rate measurer and a controller, and the lifting mechanism is connected to the mounting frame.
  • the lifting mechanism is used to control the lifting and lowering of the mounting frame relative to the bracket;
  • a flow rate measuring device is installed on the mounting frame, and the flow rate measuring device is used to measure the drainage speed of the drainage bottle;
  • the controller and the The flow rate measuring device is connected with the lifting mechanism, and the controller is used for controlling the lifting mechanism to lift and lower the mounting frame according to the drainage speed to adjust the height of the drainage bottle.
  • the present application further provides a method for controlling a drainage device, wherein the drainage device is the drainage device described in the first aspect above, and a controller is configured to execute the control method, the control method comprising: obtaining a current drainage device when the current drainage speed is greater than the preset drainage speed, the lifting mechanism is controlled to raise the mounting frame; when the current drainage speed is less than the preset drainage speed, the lifting mechanism is controlled to lower the mounting frame shelf.
  • the present application also provides a terminal, including a memory and a processor connected to the memory; the memory is used for storing a computer program; the processor is used for running the computer program stored in the memory, so The computer program is used to perform the following steps when running, including: receiving the total amount of drainage and drainage time input by the user; determining a preset drainage speed according to the total drainage amount and the drainage time; sending the preset drainage speed to Drainage device.
  • the beneficial effect of the present application is: by installing the flow rate measuring device on the installation frame to measure the drainage speed of the drainage bottle in real time, the controller controls the lifting mechanism to lift the installation frame according to the drainage speed, thereby automatically adjusting the height of the drainage bottle, thus, using The height of the drainage bottle is adjusted by the real-time measurement of the drainage speed, which can improve the accuracy of the adjustment, avoid excessive drainage or insufficient drainage, and does not require medical staff to record the drainage situation at all times. Automatic adjustment is realized, which greatly saves human resources.
  • FIG. 1 is a schematic diagram of a drainage device according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a mounting bracket of a drainage device according to an embodiment of the present application.
  • FIG. 3 is an enlarged view of the suspension of the drainage device according to the embodiment of the present application.
  • FIG. 4 is a schematic diagram of a support member of a drainage device according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a scale scale of a drainage device according to an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a control method of a drainage device according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a control method of a drainage device according to another embodiment of the present application.
  • FIG. 8 is a schematic flowchart of a control method of a drainage device according to another embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a control method of a drainage device according to another embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a control method of a drainage device according to still another embodiment of the present application.
  • FIG. 11 is a schematic flowchart of sub-steps of a control method of a drainage device according to an embodiment of the present application.
  • FIG. 12 is a schematic flowchart of a control method of a drainage device according to yet another embodiment of the present application.
  • FIG. 13 is a schematic flowchart of execution when a processor of a terminal according to an embodiment of the present application is running.
  • FIG. 14 is a schematic diagram of an interface when a terminal according to an embodiment of the present application receives external input.
  • FIG. 15 is a schematic flowchart of execution when a processor of a terminal runs in another embodiment of the present application.
  • FIG. 16 is a schematic diagram of an intracranial pressure fluctuation curve displayed on an interface of a terminal according to an embodiment of the present application.
  • FIG. 17 is a schematic flowchart of execution when a processor of a terminal is running according to another embodiment of the present application.
  • FIG. 18 is a schematic diagram showing the specific gravity change of drainage fluid displayed on the interface of the terminal according to the embodiment of the present application.
  • FIG. 19 is a schematic flowchart of execution when a processor of a terminal runs according to yet another embodiment of the present application.
  • FIG. 20 is a schematic flowchart of sub-steps executed when a processor of a terminal according to an embodiment of the present application executes.
  • FIG. 21 is a schematic flowchart of sub-steps executed when a processor of a terminal according to an embodiment of the present application executes.
  • FIG. 22 is a schematic block diagram of a terminal provided by an embodiment of the present application.
  • FIG. 23 is a schematic diagram of the assembly of the blood concentration measuring device and the drainage bottle provided in the embodiment of the present application.
  • FIG. 24 is a schematic flowchart of a control method of a drainage device according to an embodiment of the present application.
  • Bracket 10 First Mounting Plate 11; Scale 111; Support 112; Second Mounting Plate 12; First Guide Hole 121; Mounting Frame 20; Sliding Plate 21; 30; weight measuring device 40; zero point detector 50; drainage bottle 60.
  • the drainage device includes a bracket 10 and a mounting frame 20 for installing the drainage bottle 60.
  • the drainage device further includes: a lifting mechanism, a flow rate measurer and a controller, and the lifting mechanism is connected to the mounting frame 20, and the lifting mechanism is connected to the mounting frame 20.
  • the mechanism is used to control the lifting and lowering of the mounting frame 20 relative to the bracket 10;
  • a flow rate measuring device is installed on the mounting frame 20, and the flow rate measuring device is used to measure the drainage speed of the drainage bottle 60;
  • the flow rate measuring device is connected to the elevating mechanism, and the controller is used to control the elevating mechanism to elevate the mounting frame 20 according to the drainage speed to adjust the height of the drainage bottle 60 .
  • a drainage bottle 60 is installed on the mounting frame 20, one end of the drainage catheter penetrates the cerebral ventricle to drain the cerebrospinal fluid, and the other end is connected with the drainage bottle 60 to introduce the cerebrospinal fluid into the drainage bottle 60,
  • the drainage bottle 60 is also connected to a fluid collection bag, which is used to collect drainage fluid, and the bracket 10 is fixed to the infusion rod of the hospital bed to form a support.
  • the drainage bottle 60 can be an anti-reflux bottle to prevent backflow of drainage fluid.
  • the flow rate measurer is installed on the mounting frame 20 to move together with the drainage bottle 60 . No matter how the height of the drainage bottle 60 is adjusted, the flow rate measurer can measure the drainage speed of the drainage bottle 60 in real time.
  • the controller is an IC module with a wireless networking function.
  • the controller controls the lifting mechanism to raise the mounting frame 20 and raise the drainage bottle 60, thereby slowing down the speed of the drainage liquid.
  • the controller controls the lifting mechanism to lower the mounting frame 20, and lowers the drainage bottle 60, thereby increasing the speed of the drainage liquid.
  • the height of the drainage bottle 60 is adjusted by using the drainage speed measured in real time, which can improve the accuracy of adjustment, avoid excessive drainage or insufficient drainage, ensure the stability of intracranial pressure, and do not require medical staff to record the drainage situation at all times. , to achieve automatic adjustment, which greatly saves human resources.
  • the flow rate measuring device is a dripping speed measuring device 30, and the dripping speed measuring device 30 is installed on the mounting frame at a position corresponding to the mouth of the drainage bottle, The dripping rate measuring device 30 is used to measure the dripping rate of the drainage liquid in the drainage bottle.
  • the dripping speed measuring device 30 may be an infrared sensor or a laser sensor, and the installation position of the dripping speed measuring device 30 is flush with the dripping position of the drainage bottle 60, so that the emitted infrared
  • the light beam or laser beam can accurately sense the inflow of the drainage droplet, so as to measure the drainage speed.
  • the volume value of each drop of liquid is the same, for example, the volume of each drop of drainage liquid is 1ml, so the drainage speed can be expressed by the number of drops flowing per unit time, such as measuring If 10 drops per minute are obtained, the drainage rate is 10 ml/min. Therefore, the drainage velocity can be directly measured by the drip velocity meter.
  • the drip rate measuring device 30 includes a measuring device main body 33 , a first probe 31 and a second probe 32 , and the measuring device main body 33 has a device for holding the drainage bottle.
  • the gauge body may be "C" shaped.
  • the first probe and the second probe are respectively located on both sides of the "C"-shaped opening.
  • the first probe 31 and the second probe 31 are arranged symmetrically, so that the dripping of the drainage can be measured.
  • the inner side of the "C" is sandwiched between the drainage. Bottle 60 body.
  • the dripping rate measuring device can be clamped to the drainage bottle 60 .
  • the drip rate measuring device and the drainage bottle can also be set as an integral structure without disassembly and assembly.
  • the drainage bottle effusion bag part and the drainage tube part together form a closed external drainage pipeline system, which is used to drain clear intracranial cerebrospinal fluid or mixed oily or viscous fluid with infectious substances.
  • the drainage system is prone to reduce the flow velocity at the narrowest part of the pipeline (generally the interface of each component), and the viscous material settles on the wall of the pipeline, and the longer the time, the easier it is to block the pipeline.
  • the main principle of the drainage system is gravity drainage, so the drainage fluid can flow back into the brain through the pipeline under any external pressure change, which increases the risk of infection.
  • the drainage device of this embodiment is further provided with an anti-reflux component and a drainage conduit connected to the drainage bottle, and the anti-reflux component is installed at all the ends of the drainage inlet and/or the drainage outlet of the drainage bottle. on the drainage catheter.
  • the anti-reflux element By arranging the anti-reflux element at the front or rear end of the drainage bottle, because the front and rear ends of the drainage bottle are usually the interface part and the narrowest part of the pipeline of the drainage catheter, the anti-reflux element is arranged at this position, On the one hand, it can prevent the blockage of the tube, and on the other hand, it can prevent the drainage fluid from flowing back into the brain and prevent the patient from being infected.
  • the anti-reflux component of this embodiment adopts a Tesla valve to perform anti-reflux.
  • the Tesla valve is a one-way valve, which is realized by setting up multiple bifurcated flow channels. The fluid can only flow out from one direction and cannot flow in the opposite direction.
  • the anti-reflux effect can also be achieved by changing the length of the Tesla valve. At this time, the anti-reflux effect is closely related to the length of the Tesla valve. The longer the length, the better the anti-reflux effect, and it can even achieve no reflux at all.
  • the length and diameter of the Tesla valve will be designed according to the characteristics of extracranial drainage to achieve anti-reflux while not completely blocking the reflux (the purpose is to make the drainage system need a small amount of fluid reciprocating fluctuation range, In order to facilitate the clinical judgment of the entire drainage channel as unobstructed by observing this fluctuation).
  • the drainage device further includes a blood concentration sensor, which is arranged on the drainage catheter and/or the anti-reflux element to detect blood parameters in the drainage fluid.
  • the blood concentration sensor utilizes the principle of interaction between light and biological tissue to design an optical structure related to the sensitivity of specific cells and tissues, so as to achieve qualitative monitoring of changes in the concentration of specific cells and tissues (blood).
  • the drainage device further includes a weight measuring device 40 connected to the controller.
  • the weight measuring device 40 is mounted on the mounting frame 20 and is connected to the drainage bottle 60 . At the connected position, the weight measuring device 40 is used to measure the weight of the drainage fluid. It should be noted that, since the drainage liquid in the drainage bottle 60 will flow directly to the effusion bag under normal circumstances, and will not be damaged in the drainage bottle 60, the weight of the drainage liquid measured in this embodiment is the drainage bottle 60 and the effusion. The sum of the weights of the drainage fluid in the bag. It can be understood that, in actual use, the drainage bottle 60 is connected to the fluid collection bag, and the weight of the drainage fluid can be measured by using the weight measuring device 40 .
  • the weight measuring device 40 may be a load cell or a gravity sensor, installed at the connection between the mounting frame 20 and the drainage bottle 60 to move together with the drainage bottle 60, no matter how the height of the drainage bottle 60 is adjusted, The weight measuring device 40 can measure the weight of drainage fluid in real time.
  • the drainage speed can be directly measured by the drip speed measuring device 30, in practical application, the drainage bottle 60 has various product specifications, and the drainage bottle 60 of different product specifications has different volumes of each drop of liquid values, and inconsistent droplet sizes will result in different drainage rates. Therefore, the use of the drip velocity measuring device 30 to measure the drainage velocity needs to obtain the volume value of the dripping liquid corresponding to the drainage bottle 60 in advance, which cannot be adapted to the measurement of the drainage velocity of the drainage bottle 60 of different specifications.
  • the drainage speed is determined by the weight of the drainage solution.
  • the drainage speed can be obtained by dividing the weight of the drainage solution introduced per unit time by the unit time. For example, if the weight of the drainage solution introduced in 1 minute is 10 g, then Its drainage speed is extremely 10g/min. In this way, the drainage speed can be determined without the need for the volume of dripping liquid, and it can be adapted to drainage bottles 60 of different specifications, and has versatility.
  • the controller can adjust the height of the drainage bottle 60 according to the weight of the drainage liquid, convert the weight of the drainage liquid into the drainage speed and then automatically adjust the height of the drainage bottle 60 through the lifting mechanism. Repeat.
  • the weight measuring device 40 in this embodiment may be used to measure the drainage speed, or may only be used to measure the weight of the drainage liquid.
  • the drainage speed can be determined solely based on the drip rate measuring device 30 , or can also be determined solely based on the weight measuring device 40 .
  • the drainage switch can be a mechanism with a clamping function, for example, it can be a clip and a driver that drives the clip to clamp the drainage catheter, the driver is connected to the controller, and the controller can control the driver to drive the clip to achieve Clamping of drainage catheters.
  • the clamp applies pressure to the drainage catheter to clamp the drainage catheter, and the drainage fluid cannot be introduced from the drainage catheter to the drainage bottle 60, thereby closing the introduction of drainage fluid;
  • the drainage catheter is introduced into the drainage bottle 60, thereby enabling the introduction of drainage fluid.
  • an external mechanical structure is used to realize the switch for the introduction of the drainage fluid, and no valve-controlled drainage catheter is required. No matter what type of drainage catheter is used, the conduction control of the drainage fluid can be realized, which is universal.
  • the bracket 10 includes a mounting plate, and the mounting plate is bent along its axis to form a first mounting plate 11 and a second mounting plate 12 .
  • An angle space is formed between the plate 11 and the second mounting plate 12 , the mounting frame 20 is installed on the side of the second mounting plate 12 facing away from the angle space, and the lifting mechanism (not shown in the figure) out) is accommodated in the included angular space and is connected to the mounting frame 20 .
  • the bracket 10 is formed by bending a mounting plate, and after bending, a first mounting plate 11 and a second mounting plate 12 with an included angle of ninety degrees therebetween are obtained.
  • One side with an included angle of 90 degrees between the second mounting plates 12 is the included angle space, and the included angle space is used for installing the power components; the other side faces the medical staff and is used for installing the drainage bottle 60 .
  • the lifting mechanism is installed on one side of the included angle space
  • the mounting bracket 20 is installed on the other side
  • the drainage bottle 60 is also on the other side.
  • the installation plate formed by bending can save space.
  • the power components are hidden and installed in the included angle space. When the medical staff observes the patient's drainage, the power components cannot be seen, and the entire drainage device is more neat and beautiful.
  • the lifting mechanism includes a motor connected to the controller and a transmission member connected to the output end of the motor, the second mounting plate 12 is provided with a first guide hole 121 along its axis, and the transmission member Passing through the first guide hole 121 and drivingly connected to the mounting frame 20 to make the mounting frame 20 move up and down along the first guide hole 121 .
  • the motor may be a linear motor, which is installed on one side of the included angle space
  • the transmission member may be a fixing member connected with the linear motor mover, and the fixing member passes through the first guide hole 121 and is connected to the other side.
  • the mounting frame 20 is fixed to each other, so that under the linear motion of the mover, the mounting frame 20 is driven to move up and down along the first guide hole 121 .
  • the motor can also be a stepper motor, installed on one side of the included angle space, and the transmission member can be a screw mechanism, the slider on the screw mechanism has a fixed end, and the fixed end can pass through the The first guide hole 121 is fixed with the installation frame 20 on the other side, so that the installation frame 20 is driven to move up and down along the first guide hole 121 under the linear motion of the slider.
  • the motor can also be a stepper motor, which is installed on one side of the angle space, the transmission member is a rack and pinion, the gear is connected to the output end of the stepper motor, and the rack is along the first guide hole 121 Arranged in parallel, the rack has a fixed end, the fixed end can pass through the first guide hole 121 to be fixed with the mounting bracket 20 on the other side, and the gear meshes with the rack, so that under the movement of the rack and pinion, The mounting frame 20 is driven to move up and down along the first guide hole 121 .
  • the transmission member is a rack and pinion
  • the gear is connected to the output end of the stepper motor
  • the rack is along the first guide hole 121 Arranged in parallel
  • the rack has a fixed end, the fixed end can pass through the first guide hole 121 to be fixed with the mounting bracket 20 on the other side, and the gear meshes with the rack, so that under the movement of the rack and pinion,
  • the mounting frame 20 is driven to move up and down along
  • the transmission member can pass through the first guide hole 121 and be directly connected to the mounting frame 20 for transmission, so that direct transmission can be realized without setting too many transmission parts. Realize transmission and improve transmission efficiency.
  • the lifting mechanism can also have other types of structures, no matter what type of structure it is, as long as it can drive the mounting frame 20 to rise and fall.
  • the mounting frame 20 includes a sliding plate 21 and a suspension member 22 mounted on the sliding plate 21 , and the suspension member 22 is used for installing the drainage bottle 60 , so The transmission member is fixed to the sliding plate 21 through the first guide hole 121 .
  • the hanger 22 may be a hook, the hook is arranged on the top of the sliding plate 21 , and the drainage bottle 60 is hung on the hook.
  • the sliding plate 21 can slide relative to the second mounting plate 12 , the drainage bottle 60 is installed on the sliding plate 21 through the hook to keep up with the sliding plate 21 , and the lifting mechanism drives the sliding plate 21 to move to adjust The height of the drainage bottle 60.
  • the sliding plate 21 is further provided with a limit ring 23 for the drainage bottle 60 to pass through, wherein the diameter of the limit ring 23 is adjustable.
  • the limiting ring 23 can be, for example, an elastic bandage, and the drainage bottle 60 is inserted into the hole of the elastic bandage, and the bottle body of the drainage bottle 60 is clamped by the elastic bandage to prevent it from shaking and ensure the drainage effect. Since the elastic bandage can be adjusted in tightness, that is, the size of its caliber can be adjusted, it can adapt to drainage bottles 60 of different shapes and specifications, and has universality.
  • FIG. 1 and FIG. 5 it further includes a first driving assembly (not shown in the drawings), and a scale scale is provided on the side of the first mounting plate 11 facing away from the included angle space 111, a zero-point detector 50 connected to the controller is fixed at the zero-point scale of the scale scale 111, which is used for determining the zero-point position, and the first driving component is used for driving the scale scale 111 along the The axis of the first mounting plate 11 moves to the zero position.
  • a first driving assembly (not shown in the drawings)
  • a scale scale is provided on the side of the first mounting plate 11 facing away from the included angle space 111
  • a zero-point detector 50 connected to the controller is fixed at the zero-point scale of the scale scale 111, which is used for determining the zero-point position
  • the first driving component is used for driving the scale scale 111 along the The axis of the first mounting plate 11 moves to the zero position.
  • the starting position of the hanging height of the drainage bottle 60 is the zero point position
  • the zero point position is usually the horizontal line of the external auditory canal when the patient is supine, and the midline of the nose when the patient is lying on the side. Since the size and contour of each patient's head are different, the zero position corresponding to the patient is also different. Therefore, the uncertainty of the zero position will lead to the progress of drainage adjustment.
  • a scale scale 111 is installed on the first mounting plate 11, and a zero point detector 50 is arranged at the zero point scale of the scale scale 111, and the zero point detector 50 is used to detect the zero points corresponding to different patients Location.
  • the zero point detector 50 may be a laser positioner. After the zero point position is determined, the zero point scale of the scale scale 111 is driven by the first drive assembly to move to the zero point position, so that the zero point position can be accurately determined, the height accuracy of the drainage bottle 60 is ensured, and the drainage accuracy is improved.
  • the first drive assembly can also be accommodated in the included angle space, the first mounting plate 11 is provided with a second guide hole along its axis, and the first drive assembly has a fixed end to pass through.
  • the second guide hole is set to be fixed with the scale 111 .
  • a support member 112 for fixed installation with the outside is provided on the side of the first mounting plate 11 facing the included angle space.
  • the outer part in this embodiment generally refers to the infusion rod of the hospital bed, or the bedside rod, which is only a component with a certain height.
  • the support member 112 can be a clamp, a buckle, or other clamping members, pressing members, etc., as long as it can be fixed outside, that is, fixed with an infusion rod or a bedside rod to form a support for the entire drainage device. That's it.
  • the drainage device further includes an alarm (not shown in the figure), the alarm is connected to the controller, and the alarm is used to lift the mounting frame 20 beyond the current limit Alarm during interval.
  • the set range specifically refers to a limit interval.
  • the limit interval is obtained in the controller in advance, or determined by the terminal and sent to the controller.
  • the limit interval during this drainage is the current limit interval.
  • the limit interval consists of an upper limit value and a lower limit value of the height of the drainage bottle 60 during the lifting process, for example, 100-180 mm, that is, the height of the drainage bottle 60 must not exceed this interval.
  • the controller controls the alarm.
  • Alarm the alarm is sound and light alarm, through visual and auditory interference, to remind the patient's family members or medical staff of the patient's condition, so that the patient can be treated in time.
  • it further includes an upper baffle (not shown in the figure) and a lower baffle (not shown in the figure) mounted on the second mounting plate 12 for limiting the lifting of the mounting frame 20 , the upper baffle and the lower baffle can be moved and adjusted along the axis of the second mounting plate 12 .
  • an adjustable upper baffle and a lower baffle are provided to mechanically limit the height of the mounting frame 20, without reference to Based on historical data, medical staff manually adjust the position of the upper and lower baffles according to the actual situation of the patient to form a physical limit interval for the mounting frame 20, which can effectively avoid excessive drainage or insufficient drainage during initial use.
  • the structure of the physical limit can limit the lifting height of the drainage bottle 60 when the automatic adjustment fails, for example, when an error occurs in the control logic, so as to further improve the drainage adjustment accuracy.
  • the specific structure of the upper baffle and the lower baffle may be installed on the side of the second baffle facing away from the angle space, that is, the side facing the medical staff, so as to facilitate the medical staff to adjust,
  • the upper baffle and the lower baffle have sliding ends, and the sliding ends can slide in the first guide hole 121, thereby enabling the upper baffle and the lower baffle to move along the second mounting plate The axis of 12 moves.
  • the upper baffle and the lower baffle may also have other types of specific structures, which are not limited herein.
  • FIG. 6 is a flowchart of a control method of a drainage device provided by an embodiment of the present application.
  • the drainage device is the drainage device described in the above embodiment, and the drainage device interacts with a terminal to achieve the control method.
  • the controller is configured to execute the control method, and the control method includes steps S101-S103.
  • the current drainage rate may be a rate measured in volume.
  • the volume of each droplet is determined. For example, if the volume of a drop of liquid is 1 ml, and the flow rate measuring device measures that 10 drops are dripped into the drainage bottle within one minute, then the current drainage speed is 10 ml/min.
  • the drainage speed may also be a speed measured by weight.
  • the weight measuring device no matter what the product specification of the drainage bottle is, it can measure the drainage speed, and the current drainage speed can be obtained by dividing the weight of the introduced drainage liquid by the introduction time. If the weight measuring device measures the weight of the drainage liquid dropped by the drainage bottle in one minute to be 10g, then the current drainage speed is 10g/min. It should be noted that, the time interval for obtaining the drainage speed may be 1 minute, 5 minutes, 10 minutes, or any other time, which is not limited herein.
  • the preset drainage speed is the drainage speed preset by the doctor using the terminal, after the preset drainage speed is set on the terminal, it is sent to the controller, and the preset drainage speed and the flow rate measurer are used to obtain the data.
  • the comparison of the current drainage speed automatically realizes the adjustment of the height of the drainage bottle.
  • the preset drainage speed is determined by the preset drainage amount and drainage time. For example, if the patient needs to drain 150ml of cerebrospinal fluid, and this 150ml of cerebrospinal fluid needs to be drained within 24 hours, then the drainage rate per unit time can be determined according to the total amount and time of the drainage, for example, the unit time is 1 minute.
  • the acquired current drainage speed is also acquired at intervals of unit time, so that the size between the acquired current drainage speed and the preset drainage speed can be compared.
  • the lifting mechanism is controlled to raise the mounting frame to increase the height of the drainage bottle, thereby slowing the drainage speed and avoiding excessive drainage.
  • the obtained current drainage speed is less than the preset drainage speed, it indicates that the drainage is too slow.
  • the lifting mechanism is controlled to lower the mounting frame to reduce the height of the drainage bottle, thereby increasing the drainage speed and avoiding insufficient drainage.
  • the preset drainage speed may also be a drainage speed preset in the controller.
  • the controller can receive external input, and the medical staff can directly input the total amount and time of drainage on the controller to determine a preset drainage rate.
  • control method further includes: S104-S105.
  • control the first driving component to drive the scale to move to the zero point scale to align with the zero point position.
  • the zero-point detector is controlled to scan the patient's head, and the zero-point position is determined, that is, the external auditory canal position in the supine position, and the nose tip position in the lateral position; after the zero-point position is obtained, the first drive assembly is controlled to drive the scale to move to The zero-point scale of the scale scale is aligned with the zero-point position. Furthermore, the height of the drainage bottle can be re-adjusted according to the re-determined zero point position, so as to ensure the accuracy of adjustment.
  • control method further includes: S106.
  • the zero-point detector when the zero-point detector cannot detect the patient's head, it means that the patient's head position has undergone a major change, such as the patient sitting up or other body position changes. Excessive drainage. In order to avoid the situation where the patient's body position changes significantly while the drainage bottle is still draining, in this embodiment, when the zero-point detector fails to capture the zero-point position, the controller controls the drainage switch to turn off the introduction of drainage fluid, thereby avoiding excessive drainage .
  • control method further includes: S107-S108.
  • S108 Send the traffic diversion data to a terminal, so that the terminal can process the traffic diversion data.
  • all drainage data generated in the drainage process needs to be recorded, wherein the drainage data includes drainage volume, weight of drainage liquid, height of drainage bottle and limit interval.
  • Drainage volume refers to the volume of drainage fluid drained by the drainage bottle, for example, 100ml.
  • the weight of the drainage fluid refers to the weight of the drainage fluid drained by the drainage bottle, for example, 100 g.
  • the height of the drainage bottle refers to the height of the mounting frame from the zero position.
  • the limit interval refers to the upper and lower limit values of the drainage bottle during the movement process, that is, the scale value when the height is the highest and the scale value when the height is the lowest. For example, the lower limit value is 100mm and the upper limit value is 180mm .
  • the drainage data obtained each time is recorded and sent to the terminal, so that the terminal can further process the drainage data according to the drainage data, and then can monitor the drainage data.
  • control method further includes: S109-S111.
  • the current limit interval is a parameter that is matched every time the medical staff sets a drainage parameter for drainage.
  • the current limit interval is determined by the data of multiple historical limit intervals. After the drainage device operates for a period of time, a historical limit interval is generated. Therefore, a current limit interval can be determined based on the historical record. .
  • the limit interval may be an average value within the limit interval of the historical record as the current limit interval, or the limit interval of the median or mode may be taken as the current limit interval within the limit interval of the historical record limit range.
  • the current limit interval can also be determined in the following preferred manner.
  • the optimal limit interval is predicted as the current limit interval.
  • the height of the drainage bottle is constantly changing, thereby generating a plurality of drainage height data.
  • the scale value with the highest height and the scale value with the lowest height in this drainage process constitute the limit of this drainage process. Therefore, multiple drainage height data in each drainage process can correspond to a limit interval, thus forming a set of corresponding calculation data. Then multiple sets of corresponding calculation data can be obtained during the multiple drainage processes. Based on multiple sets of corresponding calculation data, an interval prediction model can be constructed, and then the optimal limit interval can be predicted.
  • the latest drainage bottle height data can reflect the patient's recent condition, that is, the latest drainage bottle height data is used as the input of the model, and its prediction accuracy is the highest. Therefore, the most recent drainage bottle height data can be input into the interval prediction model to obtain the current limit interval.
  • the step S110 further includes: S1101-S1104.
  • the data is first preprocessed, and the function of preprocessing is to remove noise, filter useless data, and obtain useful raw data, for example, to remove abnormal highest or lowest values. Then, the height data of the drainage bottle and the data of the limit interval in each drainage process are formed into a corresponding training sample.
  • the samples of the first drainage are ⁇ x
  • the samples for the second drainage are ⁇ x
  • the samples for the third drainage are ⁇ x
  • each classifier has its own function mapping relationship and uses the function mapping relationship as its own detection rule.
  • the decision machine integrates the detection rules of each classifier into a detection rule base, and assigns detection weights to each classifier. Then the decision machine performs weighted calculation on the detection results of each classifier, that is, multiplying each classifier label by its corresponding label weight to consider the difference in importance of each classifier, and finally obtain an interval prediction model.
  • the machine learning algorithm includes at least one of the following: support vector machine and its improved algorithm, neural network and its improved algorithm, clustering algorithm, extreme learning machine and its improved algorithm, ensemble learning algorithm and its improved algorithm and depth Learning algorithms and their improved algorithms.
  • the s classifiers can select the same or different training parameter optimization algorithms, wherein the training parameter optimization algorithms include at least one of the following: particle swarm optimization algorithm, genetic algorithm, ant colony optimization Algorithms and Fish Swarm Optimization Algorithms.
  • the training parameter optimization algorithm include at least one of the following: particle swarm optimization algorithm, genetic algorithm, ant colony optimization Algorithms and Fish Swarm Optimization Algorithms.
  • control method further includes: S112-S114.
  • the existing alarm is usually implemented according to whether the speed of drainage exceeds a set speed threshold.
  • the limit interval is used to realize the alarm.
  • the limit interval is composed of an upper limit value and a lower limit value of the height of the drainage bottle of the patient during the actual drainage process. Therefore, the limit interval is based on the actual situation of each patient.
  • the setting can reflect the different conditions of each patient.
  • the acquisition of the current limit interval may be acquired from a controller, that is, acquired from the above-mentioned embodiment, or acquired from a terminal.
  • the alarm After obtaining the current limit interval, it is judged whether the movement of the mounting frame exceeds the current limit interval during the drainage process, and if it exceeds the current limit interval, the alarm is controlled to give an alarm, and an alarm signal is sent to the terminal at the same time , so that medical staff and family members can detect emergencies in time.
  • the alarm signal In order to trace the patient's condition, the alarm signal includes the current drainage speed and the current height of the drainage bottle.
  • control method further includes: S115-S119.
  • the blood concentration sensor in terms of the monitoring function of the blood concentration increment of the drainage tube, during the clinical practical application, there will be: changes in the patient's position, changes in ambient light, movement of the drainage tube, artificial bending of the drainage tube, and changes in the drainage tube. Air appears, and other unstable conditions. Because of these unstable and persistent influencing factors, the blood concentration sensor will monitor short-term signal bleeding that is different from the increase of blood concentration baseline. This signal can be understood as "noise" caused by various external factors. In the actual environment, factors such as pipe pressure, vacancy, curvature, and ambient light intensity will all affect the measurement results. At the same time, the drainage fluid does not appear bleeding in real time, so the intracranial hemorrhage at different speeds should be handled differently. To this end, the solution in this embodiment is to introduce a machine learning mechanism, consider more environmental conditions, perform DSP algorithm processing on the detected time-series signals and combine machine learning methods to continuously optimize its ability to cope with various environmental conditions.
  • the blood concentration is first measured by the blood concentration sensor; the detection of the blood concentration will cause “noise” due to the surrounding environment.
  • This "noise” signal will have specific signal characteristics according to different reasons.
  • the DSP algorithm is an algorithm for extracting these signal characteristics, that is, denoising is performed by the DSP algorithm.
  • the blood concentration after denoising provides more accurate training samples for the next step of machine learning.
  • a height adjustment fusion model is set to predict the height of the drainage bottle feedback adjustment.
  • the height adjustment fusion model has been pre-trained.
  • the height adjustment fusion model in this embodiment adopts the Bagging algorithm.
  • the principle of Bagging fusion is to use sampling with replacement, that is, one sample is randomly selected from the training samples at a time, and each sample is extracted. The number of samples is consistent with the total number of samples. Take K samples, train the training samples obtained from K samples to obtain K sub-models, and then fuse the results of the K sub-models.
  • the classification adopts the voting method, and the regression adopts the mean method.
  • the drainage speed and blood concentration are used as training samples of the weak learner to learn the weak learner, and then the output result of the weak learner is integrated into the strong learner for prediction, and the height of feedback adjustment is output. After getting the height adjusted by feedback, control the lifting mechanism to lift and lower the mounting frame to adjust the height of the drainage bottle.
  • the preset concentration threshold refers to a preset blood concentration used for alarming. After the blood concentration is obtained, the blood concentration is detected to determine whether the blood concentration is greater than the preset concentration threshold. When the blood concentration is greater than the preset concentration threshold, an alarm is issued, and an alarm signal is generated and sent to the terminal. After the terminal receives the alarm signal, the doctor can deal with the emergency in time.
  • the present application also provides an embodiment of a terminal, and the terminal may be a computer, a smart phone, a tablet computer, a smart wearable device, or the like.
  • the terminal includes a memory and a processor connected to the memory; the memory is used to store a computer program; the processor is used to run the computer program stored in the memory, and when the computer program runs, it is used to execute the following steps , including: S201-S203.
  • the present application further provides an embodiment of a terminal 500, and the terminal 500 may be a computer, a smart phone, a tablet computer, a smart wearable device, or the like.
  • the terminal 500 includes a processor 502 connected by a system bus 501, a memory and a network interface 505, wherein the memory may include a non-volatile storage medium 503 and an internal memory 504.
  • the nonvolatile storage medium 503 can store an operating system 5031 and a computer program 5032 .
  • the processor 502 is used to provide computing and control capabilities to support the operation of the entire computer device 500 .
  • the internal memory 504 provides an environment for the execution of the computer program 5032 in the non-volatile storage medium 503 .
  • the network interface 505 is used for network communication with other devices.
  • the structure shown in FIG. 22 is only a block diagram of a partial structure related to the solution of the present application, and does not constitute a limitation on the computer device 500 to which the solution of the present application is applied.
  • the specific computer device 500 may include more or fewer components than shown, or combine certain components, or have a different arrangement of components.
  • the processor 502 is configured to run the computer program 5032 stored in the memory to implement the following steps: S201-S203.
  • the terminal may be a smart phone, and the smart phone is equipped with software matching the drainage device, and the external input is the manual input of the medical staff, and the medical staff can input through the mobile phone.
  • the total amount of drainage and the drainage time required each time, and then the preset drainage speed is determined, and the preset drainage speed is sent to the drainage device, so that the drainage device can adjust the height of the drainage bottle according to the preset drainage speed.
  • the preset drainage rate is 100ml/h; for another example, if the total amount of drainage input by medical staff is 300g and the drainage time is 300 hours, then Its preset drainage speed is 100g/h.
  • the drainage device can obtain a drainage speed every hour for comparison with the preset drainage speed, and then adjust the height of the drainage bottle.
  • the preset drainage speed can be converted into other time units.
  • the processor 502 further implements the following steps: S204-S205.
  • S204 Receive drainage data from the drainage device, wherein the drainage data includes the height of the drainage bottle.
  • a micro pressure sensor is usually fixed in the drainage catheter, and the drainage catheter is extended into the brain ventricle to detect the pressure in the cranial brain.
  • the pressure measured by this method has a large error, because the slight shaking of the drainage catheter can affect the pressure detected by the micro pressure sensor. Therefore, this embodiment innovatively proposes a method of using the change in the height of the drainage bottle to measure the change of intracranial pressure.
  • the data of the height of the drainage bottle is received. Since the height of the drainage bottle directly reflects the level of intracranial pressure that needs to be controlled, the fluctuation curve of intracranial pressure can be calculated through the change of the height of the drainage bottle. As shown in Figure 16, the conversion of the height of the drainage bottle into the intracranial pressure fluctuation curve, the intracranial pressure fluctuates up and down over time.
  • an intracranial pressure conversion model is preset, and the received data of the height of the drainage bottle is input into the intracranial pressure conversion model for conversion to output the intracranial pressure corresponding to the height of the drainage bottle.
  • the intracranial pressure fluctuation curve can be obtained by combining the intracranial pressure data, and finally the intracranial pressure fluctuation curve is rendered into an image display by calling the rendering component, so that the medical staff can understand the patient's drainage in detail based on the intracranial pressure fluctuation curve.
  • the intracranial pressure conversion model is constructed based on a mathematical model.
  • the height of the drainage bottle corresponding to normal intracranial pressure is used as the baseline, and the highest and lowest values of the scale are used as the upper and lower boundaries.
  • the upper limit line and the baseline line, or the lower limit line and the baseline line determine the percentage, among which, the normal intracranial pressure of adults is 0.69-1.96KPa, and the normal intracranial pressure of children is 0.49-0.98KPa.
  • the height of the drainage bottle can be converted into intracranial pressure by converting the percentage of increase or decrease of the height of the drainage bottle into the percentage of increase or decrease of intracranial pressure according to the baseline.
  • other types of mathematical models, or models based on machine learning and deep learning no matter what type of model, as long as the conversion between the height of the drainage bottle and the intracranial pressure can be achieved.
  • the processor 502 further implements the following steps: S206-S208.
  • S206 Receive drainage data from the drainage device, wherein the drainage data includes the weight of the drainage fluid and the drainage volume.
  • the density of the drainage fluid will vary under different disease states, for example, the specific gravity of bloody cerebrospinal fluid will be greater than that of clear cerebrospinal fluid, and the density of drainage fluid will also change gradually during different disease courses of the same cause. With continuous drainage, the density of the drainage fluid will gradually decrease until the density of the clear cerebrospinal fluid is reduced.
  • the density of the drainage fluid is related to the patient's health. Therefore, in this embodiment, the specific gravity of the drainage fluid, that is, the density of the drainage fluid, can be determined according to the received drainage fluid weight and drainage volume, and the rendering component can be called to render the change in the drainage fluid specific gravity into an image.
  • the graph shows the change of the drainage specific gravity of the patient with bloody cerebrospinal fluid.
  • the specific gravity of the drainage fluid is initially high, and then gradually becomes stable, indicating that the patient's condition is gradually improving.
  • the processor 502 further implements the following steps: S209-S210.
  • S210 Determine the current limit interval according to the limit interval; or, determine the current limit interval according to the data of the limit interval and the height of the drainage bottle.
  • the limit interval is an interval in which the drainage bottle can move, and the movement of the drainage bottle within this interval can ensure stable drainage, and the movement of the drainage bottle beyond this interval indicates that the drainage speed exceeds the adjustment range. , which can lead to over-drainage or under-drainage.
  • the limit interval can be understood as a safe interval. It is reasonable for the drainage bottle to move within the safe interval, and it is dangerous to exceed the interval.
  • the current limit interval is a parameter matched by medical staff each time the drainage parameters are set for drainage. The current limit interval is determined by the data of multiple historical limit intervals. After the drainage device operates for a period of time, a historical limit interval is generated. Therefore, a current limit interval can be determined based on the historical record. .
  • the limit interval may be an average value within the limit interval of the historical record as the current limit interval, or the limit interval of the median or mode may be taken as the current limit interval within the limit interval of the historical record limit range.
  • the historical records of the limit interval include: record 1: 100mm-180mm, record 2: 150mm-250mm, record 3: 100mm-180mm, record 4: 150mm-200mm, record 5: 100mm-180mm, record 6: 100mm-180mm, take the mode as the current limit interval is 100mm-180mm.
  • the current limit interval after the current limit interval is determined, it can be sent to the controller of the drainage device, and then the controller will limit the height of the drainage bottle raised and lowered according to the current limit interval.
  • the processor 502 further implements the following steps: S2101-S2102.
  • the current limit interval can be determined in other ways.
  • an interval prediction model is constructed to predict the optimal limit interval as the current limit interval.
  • the height of the drainage bottle is constantly changing, thereby generating a plurality of drainage height data.
  • the scale value with the highest height and the scale value with the lowest height in this drainage process constitute the limit of this drainage process. Therefore, multiple drainage height data in each drainage process can correspond to a limit interval, thus forming a set of corresponding calculation data. Then multiple sets of corresponding calculation data can be obtained during the multiple drainage processes. Based on multiple sets of corresponding calculation data, an interval prediction model can be constructed, and then the optimal limit interval can be predicted.
  • the latest drainage bottle height data can reflect the patient's recent condition, that is, the latest drainage bottle height data is used as the input of the model, and its prediction accuracy is the highest. Therefore, the most recent drainage bottle height data can be input into the interval prediction model to obtain the current limit interval.
  • the processor 502 when the processor 502 implements the step S2101, the processor 502 specifically implements the following steps: S21011-S21014.
  • the data is first preprocessed, and the function of preprocessing is to remove noise, filter useless data, and obtain useful raw data, for example, to remove abnormal highest or lowest values. Then, the height data of the drainage bottle and the data of the limit interval in each drainage process are formed into a corresponding training sample.
  • the samples of the first drainage are ⁇ x
  • the samples for the second drainage are ⁇ x
  • the samples for the third drainage are ⁇ x
  • each classifier has its own function mapping relationship and uses the function mapping relationship as its own detection rule.
  • the decision machine integrates the detection rules of each classifier into a detection rule base, and assigns detection weights to each classifier. Then the decision machine performs weighted calculation on the detection results of each classifier, that is, multiplying each classifier label by its corresponding label weight to consider the difference in importance of each classifier, and finally obtain an interval prediction model.
  • the machine learning algorithm includes at least one of the following: support vector machine and its improved algorithm, neural network and its improved algorithm, clustering algorithm, extreme learning machine and its improved algorithm, ensemble learning algorithm and its improved algorithm and depth Learning algorithms and their improved algorithms.
  • the s classifiers can select the same or different training parameter optimization algorithms, wherein the training parameter optimization algorithms include at least one of the following: particle swarm optimization algorithm, genetic algorithm, ant colony optimization Algorithms and Fish Swarm Optimization Algorithms.
  • the training parameter optimization algorithm include at least one of the following: particle swarm optimization algorithm, genetic algorithm, ant colony optimization Algorithms and Fish Swarm Optimization Algorithms.
  • the processor 502 may be a central processing unit (Central Processing Unit, CPU), the processor 502 may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), Application Specific Integrated Circuit (ASIC), Off-the-shelf Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor can be a microprocessor or the processor can also be any conventional processor or the like.

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  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
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  • Biomedical Technology (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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Abstract

L'invention concerne un dispositif de drainage et une méthode de contrôle associée, et un terminal. Le dispositif comprend un support (10) et un support de montage (20) qui est utilisé pour le montage d'une bouteille de drainage (60), et comprend en outre : un mécanisme de levage connecté au support de montage (20) et utilisé pour contrôler le support de montage (20) pour se déplacer vers le haut et vers le bas par rapport au support (10) ; un débitmètre monté sur le support de montage (20) et utilisé pour mesurer le taux de drainage de la bouteille de drainage (60) ; et un dispositif de contrôle connecté au débitmètre et au mécanisme de levage et utilisé pour contrôler le mécanisme de levage pour déplacer le support de montage (20) vers le haut et vers le bas en fonction du taux de drainage afin de régler la hauteur de la bouteille de drainage (60). La hauteur de la bouteille de drainage (60) est réglée en fonction du taux de drainage qui est mesuré en temps réel, ce qui peut améliorer la précision de réglage et empêcher un drainage excessif ou insuffisant, et ne nécessite pas de personnel médical pour enregistrer la situation de drainage à tout moment, ce qui permet d'obtenir un ajustement automatique et de réduire considérablement le travail humain.
PCT/CN2021/134358 2020-12-04 2021-11-30 Dispositif de drainage et méthode de contrôle associée, et terminal WO2022116963A1 (fr)

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