CN113616905A - Cerebrospinal fluid drainage device and method based on intracranial pressure monitoring - Google Patents
Cerebrospinal fluid drainage device and method based on intracranial pressure monitoring Download PDFInfo
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 77
- 210000001175 cerebrospinal fluid Anatomy 0.000 title claims abstract description 48
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000014759 maintenance of location Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 28
- 239000000725 suspension Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013527 convolutional neural network Methods 0.000 description 1
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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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/031—Intracranial pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/032—Spinal fluid pressure
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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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
- 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
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Abstract
The invention discloses a cerebrospinal fluid drainage device and method based on intracranial pressure monitoring, and relates to the technical field of medical instruments. Comprises a drainage tube, a drainage bag and a lifting device, wherein the head end of the drainage tube is provided with a drainage port; the body of the drainage tube is provided with a branch tube, and an intracranial pressure monitoring device is connected in the branch tube; the tail end of the drainage tube is connected with a sample retention tube and a connecting hose, and a three-way valve is arranged at the joint of the tail end of the drainage tube, the sample retention tube and the connecting hose; the drainage bag is connected with one end of the connecting hose, and a water drop flow velocity detection device is arranged on the drainage bag; the lifting device is connected with the drainage bag, a control system is arranged in the lifting device, the control system is in communication connection with the intracranial pressure monitoring device and the water drop flow velocity detection device, and the control system controls the lifting device to operate so as to drive the drainage bag to move up and down. The invention provides a cerebrospinal fluid drainage device and method based on intracranial pressure monitoring, which can automatically adjust the height of a drainage bag according to a monitored pressure value and a monitored water drop flow rate.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cerebrospinal fluid drainage device and method based on intracranial pressure monitoring.
Background
The cerebrospinal fluid drainage device used clinically at present has the problems that: (1) the measurement is inaccurate, and cerebrospinal fluid drainage volume needs the precision calculation, requires highly to aseptic, can not open the drainage liquid of pouring the previous day every day, and the drainage liquid accumulates together several days, has increased the degree of difficulty of observing more. (2) Leaving and taking the cerebrospinal fluid specimen is inconvenient: as above, opening frequently increases risk; the flow rate of the ventricular drainage fluid is low, and the required quantity can be collected after the ventricular drainage fluid is opened for a long time; the use of the liquid in the drainage bag does not properly react to the current situation because drainage liquids accumulated for several days are mixed together. Clinically, the drainage speed of cerebrospinal fluid is generally regulated according to the result of intracranial pressure monitoring, the regulation method is to increase or decrease a drainage bag, and the regulation method is original and low in accuracy, so that the drainage liquid is easily led out too fast or too slow, and the intracranial pressure is changed greatly. The existing cerebrospinal fluid drainage device adopts an intelligent monitoring mode, but cannot solve all the problems. If publication numbers are: CN 112336924A, a patent named non-contact cerebrospinal fluid drainage and intracranial pressure automatic monitoring device.
Therefore, in order to solve the above technical problems, a new technical solution is needed to solve the technical problems of accurate and automatic drainage of cerebrospinal fluid and convenient sample retention. In particular to a cerebrospinal fluid drainage device and a cerebrospinal fluid drainage method based on intracranial pressure monitoring.
Disclosure of Invention
The invention provides a cerebrospinal fluid drainage device and method based on intracranial pressure monitoring, and aims to solve the technical problems that an existing cerebrospinal fluid drainage device in the market cannot automatically control drainage flow to keep intracranial pressure balanced and cerebrospinal fluid is inconvenient to sample.
The following technical scheme is provided for achieving the purpose: a cerebrospinal fluid drainage device based on intracranial pressure monitoring, comprising:
the head end of the drainage tube is provided with a drainage port, and the head end of the drainage tube extends into the cranium; the body of the drainage tube is provided with a branch tube, and an intracranial pressure monitoring device is connected in the branch tube;
the tail end of the drainage tube is connected with a sample retention tube and a connecting hose, and a three-way valve is arranged at the joint of the tail end of the drainage tube, the sample retention tube and the connecting hose;
the drainage bag is connected with one end of the connecting hose, and a water drop flow velocity detection device is arranged on the drainage bag;
the lifting device is connected with the drainage bag, a control system is arranged in the lifting device, the control system is in communication connection with the intracranial pressure monitoring device and the water drop flow velocity detection device, and the control system controls the operation of the lifting device to drive the drainage bag to move up and down.
Preferably, still including staying kind the bag, stay kind the bag with stay kind union coupling, stay kind the pipe with be equipped with one-way valve in the coupling hose.
Preferably, elevating gear includes display screen, support shell, base and lifting unit, support the shell setting between base and display screen, be equipped with the spout on supporting the shell be equipped with lifting unit in supporting the shell, lifting unit follows the spout reciprocates, the drainage bag with lifting unit connects.
Preferably, the lifting assembly comprises a lifting rack, a transmission wheel and a support spring, the lifting rack is meshed with the transmission wheel, the support spring is arranged between the base and the lifting rack, a suspension rod is arranged on the lifting rack, the suspension rod is arranged in the chute, and the drainage bag is connected with the suspension rod.
Preferably, the drainage openings are arranged in plurality and symmetrically arranged at the head end of the drainage tube.
Preferably, the intracranial pressure monitoring device comprises a monitoring probe and a signal output end, the monitoring probe is connected with the branch pipe, and the signal output end is in communication connection with the control system.
Preferably, the control system comprises a control chip, and the control chip is an MCU chip.
Preferably, the control system is connected with an alarm device.
Preferably, the tube body of the drainage tube is provided with a reserved tube.
A cerebrospinal fluid drainage method based on intracranial pressure monitoring comprises the device and comprises the following steps:
s1, setting a pressure threshold value and a water drop flow velocity threshold value in a control system, starting an intracranial pressure monitoring device to monitor an intracranial pressure value in real time, and starting a water drop flow velocity detection device to detect the dropping velocity of cerebrospinal fluid in a drainage bag;
s2, when a pressure value monitored by the intracranial pressure monitoring device is larger than a pressure threshold value, the control system drives the lifting device to descend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop descending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value;
and S3, when the pressure value monitored by the intracranial pressure monitoring device is smaller than the pressure threshold value, the control system drives the lifting device to ascend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop ascending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value.
The invention has the beneficial effects that:
(1) the drainage device monitors the pressure value condition of the intracranial pressure of a patient in real time through the intracranial pressure detection device, and controls the relative position of the drainage bag and the head of the patient according to the pressure value condition of the intracranial pressure of the patient, so that the drainage speed of cerebrospinal fluid is controlled, the intracranial pressure of the patient is kept at a normal value, and the water drop flow speed detection device can detect the flow speed of the cerebrospinal fluid during drainage on one hand, so that the drainage quantity of the cerebrospinal fluid in unit time is calculated, and the drainage quantity of the cerebrospinal fluid in fixed time is prepared to be calculated.
(2) Stay appearance pipe and coupling hose forked type setting, through the three-way valve, control drainage tube and stay appearance pipe or coupling hose intercommunication, can directly accomplish through the sample bag that stays appearance union coupling when staying the appearance to the cerebrospinal fluid, need not take out in the drainage bag, keep fresh, the accuracy of sample.
(3) The pipe shaft position of drainage tube is equipped with the branch pipe, and intracranial pressure monitoring devices can stretch into the head end of drainage tube through the branch pipe, realizes the monitoring to intracranial pressure, need not stretch into the patient intracranial simultaneously through many with the pipeline. The tube body of the drainage tube is also provided with a reserved tube which can be used for injecting medicine, checking the blockage of the drainage tube and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the lifting device of the invention.
Fig. 3 is a schematic diagram of the system block structure of the present invention.
Wherein:
1. a drainage tube; 11. a drainage opening; 12. a branch pipe; 13. reserving a pipe; 14. the tail end of the drainage tube; 2. an intracranial pressure monitoring device; 21. monitoring the probe; 22. a signal output terminal; 3. a three-way valve; 4. a sample tube is reserved; 5. reserving a sample bag; 6. a connecting hose; 7. a drainage bag; 81. a display screen; 82. a support housing; 821. a chute; 83. a base; 91. a lifting rack; 911. a suspension rod; 92. a driving wheel; 93. supporting the spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2 and 3, a cerebrospinal fluid drainage device based on intracranial pressure monitoring comprises: drainage tube 1, drainage bag 7, stay appearance pipe 4, stay appearance bag 5 and elevating gear. The head end of the drainage tube 1 is provided with a drainage port 11, and the head end of the drainage tube 1 extends into the cranium. The head end of drainage tube is sealed, is equipped with a plurality of drainage mouths 11 along drainage tube length direction, and drainage mouth symmetry or asymmetry sets up on the drainage tube, preferably drainage mouth symmetry sets up the head end at the drainage tube in this embodiment. The body of drainage tube 1 is equipped with branch pipe 12 and reserve pipe 13, branch pipe 12 in-connection has intracranial pressure monitoring devices 2. The reserved pipe is used for injecting medicine into the intracranial space or washing and cleaning the whole drainage device and checking the blockage condition of the whole drainage device, the end part of the reserved pipe is closed when the drainage device is not used, and the drainage device is opened when the drainage device is used. The tail end 14 of the drainage tube is connected with a sample retention tube 4 and a connecting hose 6, and a three-way valve 3 is arranged at the joint of the tail end 14 of the drainage tube, the sample retention tube 4 and the connecting hose 6. Make the drainage tube and leave a kind pipe or drainage tube and coupling hose intercommunication through the three-way valve, realize leaving a kind and the detached function of normal drainage, can directly leave a kind when being convenient for need leave a kind, the sample of retention is fresh, accurate. The drainage bag 7 is connected with one end of the connecting hose 6, and a water drop flow velocity detection device is arranged on the drainage bag 7. The lifting device is connected with the drainage bag 7, a control system is arranged in the lifting device, the control system is in communication connection with the intracranial pressure monitoring device 2 and the water drop flow velocity detection device, and the control system controls the operation of the lifting device to drive the drainage bag 7 to move up and down. The flow rate of cerebrospinal fluid and the intracranial pressure value in the drainage bag are changed by changing the upper position and the lower position of the drainage bag. The lower the position of the drainage bag, the higher the cerebrospinal fluid flow rate and the faster the intracranial pressure value is reduced.
As shown in fig. 1, the end of the sample retention tube further comprises a sample retention bag 5, the sample retention bag 5 is connected with the sample retention tube 4, and a one-way valve is arranged in the sample retention tube 4 and the connecting hose 6. The sample reserving bag directly stores and reserves the cerebrospinal fluid when the sample is required to be reserved. One-way valves are arranged in the sample retention tube and the connecting hose to prevent cerebrospinal fluid from flowing back into the drainage tube to infect intracranial diseases.
As shown in fig. 1 and 2, the lifting device includes a display screen 81, a supporting shell 82, a base 83 and a lifting assembly, the supporting shell 82 is disposed between the base 83 and the display screen 81, a sliding groove 821 is disposed on the supporting shell 82, the lifting assembly is disposed in the supporting shell 82, the lifting assembly moves up and down along the sliding groove 821, and the drainage bag 7 is connected to the lifting assembly. The lifting assembly comprises a lifting rack 91, a transmission wheel 92 and a support spring 93, the lifting rack 91 is meshed with the transmission wheel 92, the support spring 93 is arranged between the base 83 and the lifting rack 91, a suspension rod 911 is arranged on the lifting rack 91, the suspension rod 911 is arranged in the sliding groove 821, and the drainage bag 7 is connected with the suspension rod 911. The support spring connects the lifting rack in the base and provides a displacement space for the lifting rack. The driving wheel is connected with an output shaft of a control motor, and the control motor is driven by a control system.
Intracranial pressure monitoring devices 2 includes monitoring probe 21 and signal output part 22, monitoring probe 21 with branch pipe 12 is connected, signal output part 22 with control system communication is connected.
Intracranial pressure monitoring devices and water droplet velocity of flow detection device and control system communication connection provide information data for control system, be equipped with control chip in the control system, control chip adopts the MCU chip, and the MCU chip is implanted and is had conventional computer program and current convolutional neural network self-learning program. The control system is also connected with an alarm device, and when the pressure value monitored by the intracranial pressure monitoring device is higher than a preset value, the alarm device is started. The water drop flow velocity detection device adopts the prior art. The data of the control system is displayed through the display screen, and meanwhile, the function keys are arranged on the display screen and can call the data collected in the control system. The current intracranial pressure value, the water drop flow velocity detection device, the cerebrospinal fluid flow in unit time and other numerical values can be adjusted through the display screen.
The device is mainly used for monitoring intracranial pressure values in real time and controlling the flow rate of cerebrospinal fluid, the intracranial pressure monitoring device can monitor the intracranial pressure values, the control system judges whether the current intracranial pressure values are within a preset pressure value range, the preset pressure values are normal intracranial pressure values of patients, the water drop flow rate detection device can detect the current water drop flow rate, the water drop flow rate detected by the water drop flow rate detection device is reflected, and the water drop flow rate is adjusted by the lifting device. When the flow rate of the adjusted water drops is constant or the change is lower than the threshold value, the alarm device sends out an alarm signal, and whether the pipeline is blocked or the state of the three-way valve is wrong is judged through the reserved pipe.
Reserve pipe and branch pipe setting and be linked together with the drainage tube in the shaft of pipe position and inside at the drainage tube middle part, need not additionally to increase the pipeline again and can the internal intracranial pressure monitoring devices of lug connection, do not need the multiple-pass pipeline to set up simultaneously in patient's intracranial. Reserve the pipe and be multi-functional pipe, directly inject the medicine into intracranial on the one hand when needing, on the other hand directly discharges cerebrospinal fluid through reserving the pipe when drainage tube tail end and surplus pipeline block up, and the pipeline of whole drainage device is washed clean and is injected into the washing salt water through reserving the pipe equally.
Meanwhile, the invention also provides a cerebrospinal fluid drainage method based on intracranial pressure monitoring, which comprises the following steps:
s1, setting a pressure threshold value and a water drop flow velocity threshold value in a control system, starting an intracranial pressure monitoring device to monitor an intracranial pressure value in real time, and starting a water drop flow velocity detection device to detect the dropping velocity of cerebrospinal fluid in a drainage bag.
The pressure threshold and the water drop flow rate threshold are determined according to the intracranial pressure value and the water drop flow rate threshold of a clinically normal patient. Intracranial pressure monitoring devices direct monitoring intracranial pressure value, and water droplet velocity of flow threshold detects cerebrospinal fluid dropping speed once more, reflects whether normal with drainage tube, coupling hose, three-way valve's operating condition is reflected elevating gear's adjustment result simultaneously.
S2, when the pressure value monitored by the intracranial pressure monitoring device is larger than the pressure threshold value, the control system drives the lifting device to descend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop descending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value.
When the intracranial pressure value is equal to the preset pressure threshold value, the control system does not drive the lifting device to operate. The change value of the flow velocity of the water drops in the unit time is equal to the difference value between the flow velocity value of the water drops before the adjustment and the flow velocity value of the water drops after the unit time.
And S3, when the pressure value monitored by the intracranial pressure monitoring device is smaller than the pressure threshold value, the control system drives the lifting device to ascend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop ascending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value.
Through the steps, when the intracranial pressure value is abnormal, the height position change of the drainage bag is automatically regulated and controlled through the control system, and the flow rate of cerebrospinal fluid is changed, so that the intracranial pressure value returns to the normal threshold value.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.
Claims (10)
1. A cerebrospinal fluid drainage device based on intracranial pressure monitoring, comprising:
the drainage tube (1), the head end of the drainage tube (1) is provided with a drainage port (11), and the head end of the drainage tube (1) extends into the cranium; a branch pipe (12) is arranged on the body of the drainage tube (1), and an intracranial pressure monitoring device (2) is connected in the branch pipe (12); the tail end (14) of the drainage tube is connected with a sample retention tube (4) and a connecting hose (6), and a three-way valve (3) is arranged at the joint of the tail end (14) of the drainage tube, the sample retention tube (4) and the connecting hose (6);
the drainage bag (7), the drainage bag (7) is connected with one end of the connecting hose (6), and a water drop flow velocity detection device is arranged on the drainage bag (7);
the lifting device is connected with the drainage bag (7), a control system is arranged in the lifting device, the control system is in communication connection with the intracranial pressure monitoring device (2) and the water drop flow velocity detection device, and the control system controls the operation of the lifting device to drive the drainage bag (7) to move up and down.
2. The cerebrospinal fluid drainage device based on intracranial pressure monitoring as recited in claim 1, wherein: still including staying kind bag (5), stay kind bag (5) with stay kind pipe (4) and connect, stay kind pipe (4) with be equipped with one-way valve in coupling hose (6).
3. A cerebrospinal fluid drainage device based on intracranial pressure monitoring as claimed in claim 1 or 2, wherein: the lifting device comprises a display screen (81), a supporting shell (82), a base (83) and a lifting assembly, wherein the supporting shell (82) is arranged between the base (83) and the display screen (81), a sliding groove (821) is formed in the supporting shell (82), the lifting assembly is arranged along the sliding groove (821) and moves up and down, and the drainage bag (7) is connected with the lifting assembly.
4. A cerebrospinal fluid drainage device based on intracranial pressure monitoring as claimed in claim 3, wherein: the lifting assembly comprises a lifting rack (91), a transmission wheel (92) and a supporting spring (93), the lifting rack (91) is meshed with the transmission wheel (92), the supporting spring (93) is arranged between a base (83) and the lifting rack (91), a suspension rod (911) is arranged on the lifting rack (91), the suspension rod (911) is arranged in the sliding groove (821), and the drainage bag (7) is connected with the suspension rod (911).
5. A cerebrospinal fluid drainage device based on intracranial pressure monitoring, as in claim 1, 2 or 4, wherein: the drainage openings (11) are arranged in a plurality, and the drainage openings (11) are symmetrically arranged at the head end of the drainage tube (1).
6. The cerebrospinal fluid drainage device based on intracranial pressure monitoring as recited in claim 5, wherein: intracranial pressure monitoring devices (2) are including monitoring probe (21) and signal output part (22), monitoring probe (21) with branch pipe (12) are connected, signal output part (22) with control system communication is connected.
7. The cerebrospinal fluid drainage device based on intracranial pressure monitoring as recited in claim 6, wherein: the control system comprises a control chip, and the control chip is an MCU chip.
8. The cerebrospinal fluid drainage device based on intracranial pressure monitoring as recited in claim 7, wherein: the control system is connected with an alarm device.
9. The cerebrospinal fluid drainage device based on intracranial pressure monitoring as recited in claim 1, wherein: the tube body of the drainage tube (1) is provided with a reserved tube (13).
10. A cerebrospinal fluid drainage method based on intracranial pressure monitoring, comprising the device of any one of claims 1 to 9, characterized by comprising the following steps:
s1, setting a pressure threshold value and a water drop flow velocity threshold value in a control system, starting an intracranial pressure monitoring device to monitor an intracranial pressure value in real time, and starting a water drop flow velocity detection device to detect the dropping velocity of cerebrospinal fluid in a drainage bag;
s2, when a pressure value monitored by the intracranial pressure monitoring device is larger than a pressure threshold value, the control system drives the lifting device to descend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop descending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value;
and S3, when the pressure value monitored by the intracranial pressure monitoring device is smaller than the pressure threshold value, the control system drives the lifting device to ascend, the water drop flow velocity detection device detects the change of the water drop flow velocity and transmits a signal to the control system, and the control system controls the lifting device to stop ascending when the water drop flow velocity change value in unit time reaches the water drop flow velocity threshold value.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115547453A (en) * | 2022-10-09 | 2022-12-30 | 中山市人民医院 | Online monitoring method, system and equipment for drainage device and storage medium |
| CN116785516A (en) * | 2023-08-28 | 2023-09-22 | 拜赛维(北京)科技有限公司 | Intracranial pressure monitoring drainage system |
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| CN116785516A (en) * | 2023-08-28 | 2023-09-22 | 拜赛维(北京)科技有限公司 | Intracranial pressure monitoring drainage system |
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Application publication date: 20211109 |