Intracranial pressure drainage control device and external ventricular drainage system

Abstract

The utility model discloses an intracranial pressure drainage control device and an external ventricular drainage system. The intracranial pressure drainage control device comprises a support, a three-way valve, a driving mechanism and a controller. The bracket comprises a first mounting part and a second mounting part, the first mounting part is provided with a first mounting hole, and the second mounting part is provided with a second mounting hole and three clamping grooves communicated with the second mounting hole; the three-way valve comprises a valve body and a valve element, the valve body comprises a main body and three connectors, the three connectors are connected to the radial side face of the main body, the main body is inserted into the second mounting hole and provided with a valve cavity, and the valve element is arranged in the valve cavity; the driving mechanism comprises a driving piece and a connecting piece and is used for driving the valve element to rotate so as to switch the communication state of the three connectors. The controller is in communication connection with the driving mechanism, so that the driving mechanism drives the valve element to rotate within the set duration so as to adjust the communication state of the three interfaces, manual operation is not needed, and then the risk that a patient is injured due to the fact that manual operation is not in time is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of intracranial pressure drainage control device and ventricular drainage system. BACKGROUND

[0002] Intracranial pressure (ICP) monitoring is a method of continuously measuring ICP with a monitor to observe the dynamic changes of ICP. It can understand the state of ICP such as intracranial space-occupying, brain trauma, cerebral edema and hydrocephalus, and has great reference value in diagnosis, guidance and prognosis. At present, it is a widely used, accurate and reliable method to monitor the change of intracranial pressure by connecting an extracranial pressure sensor through a three-way valve on the basis of external ventricular drainage (EVD). It can ensure the monitoring of intracranial pressure while achieving the therapeutic external drainage of cerebrospinal fluid in the ventricle. However, in the prior art, medical personnel need to manually rotate the three-way valve at regular intervals to switch between intracranial pressure measurement and cerebrospinal fluid drainage. This process involves many human factors and there is a risk of patient injury due to delayed drainage. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides an intracranial pressure drainage control device, which can automatically switch the three-way valve, thereby reducing the risk of patient injury.

[0004] The utility model embodiment further provides a ventricular drainage system comprising the above-mentioned intracranial pressure drainage control device,

[0005] According to the intracranial pressure drainage control device of the first aspect of the utility model embodiment, it comprises a bracket, a three-way valve, a driving mechanism and a controller.

[0006] The support comprises a first mounting portion having a first mounting hole and a second mounting portion connected to the first mounting portion, the second mounting portion having a second mounting hole and three clamping grooves in communication with the second mounting hole; the three-way valve comprises a valve body and a valve core, the valve body comprising a main body and three interfaces connected to the radial side of the main body and each used for connecting with a drainage tube, the main body being inserted into the second mounting hole and extending into the first mounting hole, each of the interfaces being clamped in one of the clamping grooves, the main body having a valve cavity, and the valve core being arranged in the valve cavity and capable of rotating relative to the main body; the driving mechanism comprises a driving member connected to the first mounting portion and in transmission connection with the valve core, and a connecting member connected to the valve core and used for driving the valve core to rotate to switch the communication state of the three interfaces; and the controller is in communication connection with the driving mechanism, and is configured to enable the driving mechanism to drive the valve core to rotate within a set time length to adjust the communication state of the three interfaces.

[0007] The intracranial pressure drainage control device has at least the following beneficial effects:

[0008] In the embodiment, the intracranial pressure drainage control device comprises a driving mechanism connected to the valve core of the three-way valve, and a controller in communication connection with the driving mechanism and used for controlling the driving mechanism to drive the valve core to rotate at a timing, without manual switching. Therefore, when the intracranial pressure drainage control device is used for intracranial pressure drainage, the three interfaces are respectively connected to the intracranial space, the drainage bottle and the extracranial pressure sensor through the drainage tubes, and the valve core is driven to rotate within a set time length by the controller, so that the three-way valve is automatically switched without manual operation, and the risk of patient injury caused by untimely manual operation is reduced.

[0009] According to some embodiments of the present application, the valve core has a first connecting hole, the radial side of the connecting member has a first limiting portion, the driving mechanism further comprises a clamp, the clamp has a second connecting hole, the inner wall of the second connecting hole has a second limiting portion, the clamp is inserted into the first connecting hole and is glued to the inner wall of the first connecting hole, the connecting member is inserted into the second connecting hole, and the first limiting portion abuts against the second limiting portion to limit the rotation of the connecting member relative to the clamp.

[0010] According to some embodiments of the present application, the outer wall of the clamp further has a containing groove, and the containing groove is used to fill glue for gluing the clamp to the inner wall of the first connecting hole.

[0011] According to some embodiments of the present application, the containing groove extends to the end face of the clamp along the axial direction of the clamp.

[0012] According to some embodiments of the present application, the first mounting portion has a mounting cavity in communication with the first mounting hole, and the driving mechanism is arranged in the mounting cavity.

[0013] According to some embodiments of the present application, the inner wall of the clamping groove has a limiting groove, and part of the interface is clamped into the limiting groove to restrict the interface in the clamping groove.

[0014] According to some embodiments of the present application, the three-way valve further comprises a rotating member connected to the valve core, and rotating the rotating member can drive the valve core to rotate.

[0015] According to some embodiments of the present application, the rotating member is detachably connected to the valve core.

[0016] According to some embodiments of the present application, the intracranial pressure drainage control device further comprises a sensor arranged at the first mounting hole, and the sensor is configured to change the detection signal when the three-way valve is inserted into the first mounting hole and connected with the connecting member.

[0017] According to the external ventricular drainage system of the second aspect of the present application, it comprises a drainage tube, an extracranial pressure sensor, a drainage bottle and the intracranial pressure drainage control device of the first aspect of the present application. Three of the interfaces are in communication with one of the drainage tubes, and two of the drainage tubes are in communication with the extracranial pressure sensor and the drainage bottle, respectively.

[0018] The external ventricular drainage system of the present application has at least the following beneficial effects:

[0019] The intracranial pressure drainage control device of the first aspect of the present application comprises a driving mechanism connected to the valve core of the three-way valve, and a controller communicatively connected to the driving mechanism for controlling the driving mechanism to drive the valve core to rotate at regular intervals without manual switching. When performing intracranial pressure drainage, the three-way valve is connected with the intracranial space by the drainage tube, and the valve core is rotated within a set time period by the controller, thereby realizing automatic switching of the three-way valve without manual operation, and further reducing the risk of patient injury caused by manual delay.

[0020] Additional aspects and advantages of the present application will be given in part in the following description, part will become apparent from the following description, or will be understood by those skilled in the art through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The present application will be further described below in combination with the drawings and embodiments, in which:

[0022] Figure 1The utility model discloses a structure schematic diagram of intracranial pressure drainage control device of first aspect embodiment of the utility model,

[0023] Figure 2 For Figure 1 The structure schematic diagram of the support,

[0024] Figure 3 For Figure 1 The sectional view of the utility model,

[0025] Figure 4 For Figure 3 The schematic diagram of three -way valve and drive mechanism in the utility model,

[0026] Figure 5 For Figure 4 The schematic diagram of the utility model,

[0027] Reference signs:

[0028] Support 100, first mounting portion 110, first mounting hole 111, installation cavity 112, first shell portion 113, second shell portion 114, second mounting portion 120, second mounting hole 121, clamping groove 122, connecting portion 130;

[0029] Three -way valve 200, valve body 210, main body 211, valve cavity 2111, interface 212, valve core 220, first connecting hole 221, rotating piece 230;

[0030] Drive mechanism 300, drive piece 310, connecting piece 320, first limiting portion 321, clamping hoop 330, second connecting hole 331, second limiting portion 332, containing groove 333. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0032] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0033] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0034] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0035] Intracranial pressure (ICP) monitoring is a method that uses a monitor to continuously measure ICP to observe its dynamic changes. It can reveal the status of ICP in cases of intracranial space-occupying lesions, traumatic brain injury, cerebral edema, hydrocephalus, etc., and has significant reference value in diagnosis, guidance, and prognosis assessment. Currently, monitoring intracranial pressure changes through a three-way valve connected to an external intracranial pressure sensor, based on external ventricular drainage (EVD), is a widely used, accurate, and reliable method in clinical practice. This method ensures therapeutic drainage of cerebrospinal fluid from the ventricles while simultaneously monitoring intracranial pressure. However, current technology requires medical staff to manually rotate the three-way valve periodically to switch between intracranial pressure measurement and cerebrospinal fluid drainage. This process involves many human factors and carries the risk of patient injury due to delayed drainage.

[0036] In view of the above background, this utility model proposes an intracranial pressure drainage control device that can automatically switch a three-way valve, thereby reducing the risk of patient injury. (Refer to...) Figures 1 to 3 , Figure 1 This is a schematic diagram of the intracranial pressure drainage control device according to the first aspect of this utility model. Figure 2 for Figure 1 Schematic diagram of the mid-support structure. Figure 3 for Figure 1 The sectional view shows that the intracranial pressure drainage control device of this embodiment includes: a stent 100, a three-way valve 200, a drive mechanism 300, and a controller.

[0037] The support 100 comprises a first mounting portion 110 and a second mounting portion 120. The first mounting portion 110 has a first mounting hole 111. The second mounting portion 120 is connected to the first mounting portion 110 and has a second mounting hole 121 and three clamping grooves 122 in communication with the second mounting hole 121. The three-way valve 200 comprises a valve body 210 and a valve core 220. The valve body 210 comprises a main body 211 and three interfaces 212 connected to the radial side of the main body 211 and used for connecting to drainage tubes. The main body 211 is inserted into the second mounting hole 121 and extends into the first mounting hole 111. Each interface 212 is clamped in one of the clamping grooves 122 and used for limiting the rotation of the valve body 210 relative to the support 100. The main body 211 has a valve cavity 2111. The valve core 220 is arranged in the valve cavity 2111 and can rotate relative to the main body 211. The driving mechanism 300 comprises a driving member 310, such as a motor or a pneumatic cylinder, and a connecting member 320. The driving member 310 is connected to the first mounting portion 110 and is in transmission connection with the connecting member 320 through gears, a speed reduction gear set or a belt. The connecting member 320 is connected to the valve core 220 and used for driving the valve core 220 to rotate so as to switch the communication state of the three interfaces 212.

[0038] For example, for the sake of clarity, the three interfaces 212 are respectively referred to as a first interface, a second interface and a third interface. In the external ventricular drainage process, the first interface is in communication with the intracranial space of a patient through a drainage tube, the second interface is in communication with an extracranial pressure sensor through a drainage tube, and the third interface is in communication with a drainage bottle through a drainage tube. The valve core 220 has a flow channel inside. Through the rotation of the valve core 220, the three-way valve 200 is switched among three states, i.e., the first interface and the second interface are in communication through the flow channel inside the valve core 220, the first interface and the third interface are in communication through the flow channel inside the valve core 220, and the second interface and the third interface are in communication through the flow channel inside the valve core 220. When the first interface and the second interface are in communication, the intracranial space and the extracranial pressure sensor are in communication, and intracranial pressure measurement is performed. When the first interface and the third interface are in communication, the intracranial space and the drainage bottle are in communication, and cerebrospinal fluid drainage is performed. When the second interface and the third interface are in communication, the drainage and pressure measurement are stopped, and the patient can be transferred.

[0039] Specifically, in the embodiment, the intracranial pressure drainage control device comprises a driving mechanism 300 connected with the valve core 220 of the three-way valve 200, and a controller connected with the driving mechanism 300 for controlling the driving mechanism 300 to drive the valve core 220 to rotate at a timing without manual switching. Therefore, when the intracranial pressure drainage control device of the embodiment is used for intracranial pressure drainage, the three interfaces 212 are respectively connected with the intracranial space, the drainage bottle and the extracranial pressure sensor through the drainage tube, and the valve core 220 is rotated within a set time through the controller, so as to realize automatic switching of the three-way valve 200 without manual operation, thereby reducing the risk of patient injury caused by manual delay.

[0040] With reference to Figure 4 and Figure 5 , Figure 4 for Figure 3 a schematic view of the three-way valve and the driving mechanism in the embodiment, Figure 5 for Figure 4 a schematic view of the clamp in the embodiment, in some embodiments, the valve core 220 has a first connecting hole 221, the radial side of the connecting piece 320 has a first limiting part 321, the driving mechanism 300 further comprises a clamp 330, the clamp 330 has a second connecting hole 331, the inner wall of the second connecting hole 331 has a second limiting part 332, the clamp 330 is inserted into the first connecting hole 221 and is glued to the inner wall of the first connecting hole 221. The connecting piece 320 is inserted into the second connecting hole 331, and the first limiting part 321 abuts against the second limiting part 332 for limiting the rotation of the connecting piece 320 relative to the clamp 330. Specifically, the first limiting part 321 is, for example, a first limiting plane on the radial side of the connecting piece 320, and the second limiting part 332 is, for example, a second limiting plane provided on the hole wall of the second connecting hole 331, and the rotation of the clamp 330 following the connecting piece 320 is realized through the abutment of the first limiting plane and the second limiting plane, wherein the clamp 330 is bonded to the inner wall of the first connecting hole 221 through glue, so that the connection between the clamp 330 and the valve core 220 is simpler. It should be noted that the connection between the connecting piece 320 and the valve core 220 is realized through the clamp 330 in order to realize the detachability between the three-way valve 200 and the driving mechanism 300, so that the three-way valve 200 or the driving mechanism 300 can be replaced individually when they are damaged, thereby saving maintenance costs. Moreover, the transition connection is realized through the clamp 330, so that the existing three-way valve 200 on the market can be directly purchased without the need for separate processing of the three-way valve 200, thereby saving design costs.

[0041] With reference to Figure 4 and Figure 5In some embodiments, the outer wall of the clamp 330 further has a containing groove 333 for filling glue for gluing the clamp 330 with the inner wall of the first connecting hole 221, so as to increase the bonding area of the glue between the clamp 330 and the valve core 220, thereby improving the connection strength between the valve core 220 and the clamp 330, and further improving the reliability of the intracranial pressure drainage control device of the embodiment.

[0042] With reference to Figure 5 On the basis of the above embodiment, the containing groove 333 extends along the axial direction of the clamp 330 to the end face of the clamp 330. Therefore, after the clamp 330 is inserted into the first connecting hole 221, the glue can be filled into the containing groove 333 outside the first connecting hole 221, so that the assembly of the intracranial pressure drainage control device of the embodiment is more convenient. Further, the radial side surface of the clamp 330 is circumferentially distributed with a plurality of containing grooves 333, which are in communication with each other.

[0043] With reference to Figure 3 In some embodiments, the first mounting portion 110 has a mounting cavity 112 communicating with the first mounting hole 111, and the driving mechanism 300 is arranged in the mounting cavity 112. On the one hand, arranging the driving mechanism 300 in the mounting cavity 112 can reduce the noise generated when the driving mechanism 300 works, providing a more comfortable environment for the patient, on the other hand, it can make the intracranial pressure drainage control device of the embodiment more neat and beautiful, and also can reduce the situation that dust enters the inside and causes the driving mechanism 300 to be stuck, thereby improving the reliability of the intracranial pressure drainage control device of the embodiment. In addition, other components such as the circuit board of the intracranial pressure drainage control device of the embodiment can be arranged in the mounting cavity 112, which can further make the intracranial pressure drainage control device of the embodiment more neat and beautiful.

[0044] With reference to Figure 3 On the basis of the above embodiment, the first mounting portion 110 includes a first shell portion 113 and a second shell portion 114 arranged separately, and the first shell portion 113 and the second shell portion 114 are clamped by elastic buckles and jointly define the mounting cavity 112, thereby making the assembly and maintenance of the intracranial pressure drainage control device of the embodiment more convenient.

[0045] In some embodiments, the inner wall of the clamping groove 122 has a limiting groove, and part of the interface 212 is clamped into the limiting groove to limit the interface 212 in the clamping groove 122, so as to improve the connection strength between the three-way valve 200 and the bracket 100, thereby improving the reliability of the intracranial pressure drainage control device of the embodiment.

[0046] With reference to Figure 1 and Figure 3In some embodiments, the three-way valve 200 further comprises a rotating member 230 connected to the valve core 220, and rotating the rotating member 230 can drive the valve core 220 to rotate, thus, when the driving mechanism 300 malfunctions, the rotating member 230 can be rotated to drive the valve core 220 to rotate, thus avoiding the damage to the patient caused by the malfunction of the driving mechanism 300, and further improving the reliability of the intracranial pressure drainage control device.

[0047] Based on the above embodiments, the rotating member 230 is detachably connected to the valve core 220 by screwing, clamping or inserting, and the like, and based on this, when the driving mechanism 300 is working normally, the rotating member 230 can be detached from the valve core 220, thus avoiding the situation of accidental touch, and further improving the reliability of the intracranial pressure drainage control device.

[0048] In some embodiments, the intracranial pressure drainage control device further comprises a sensor, such as a position sensor, a photoelectric sensor or an acoustic wave sensor, and the like, and the sensor is arranged at the first mounting hole 111, and the sensor is configured to change the detection signal when the three-way valve 200 is inserted into the first mounting hole 111 and connected to the connecting member 320. Thus, the sensor can be used to detect whether the three-way valve 200 is in place, so as to ensure that the connecting member 320 can drive the valve core 220 to rotate during use, thus further improving the reliability of the intracranial pressure drainage control device.

[0049] Reference Figure 1 In some embodiments, the bracket 100 further comprises a connecting portion 130, such as a hook or a buckle, and the like, and the connecting portion 130 is used to assemble with the drainage monitor, thus providing convenience for the patient who needs to monitor the intracranial pressure while draining, and only needs to add the three-way valve 200 to the original drainage tube, thus improving the practicability of the intracranial pressure drainage control device.

[0050] It should be noted that the program used in the present application is a common control program in the prior art, which can be easily obtained by those skilled in the art, and is not within the protection scope of the present application.

[0051] The ventricular drainage system of the second aspect embodiment of the utility model, including drainage tube, extracranial pressure sensor, drainage bottle and the intracranial pressure drainage control device of first aspect embodiment. Three interfaces 212 all communicate a drainage tube, one of the drainage tubes is communicated with the extracranial pressure sensor, realizes hydraulic coupling measurement method intracranial pressure monitoring, one of the drainage tubes is communicated with the drainage bottle. Among them, the intracranial pressure drainage control device includes drive mechanism 300, drive mechanism 300 connects the valve core 220 of three-way valve 200, controller communication connects drive mechanism 300, is used for controlling drive mechanism 300 to drive valve core 220 rotation regularly, need not manual switching. When carrying out intracranial pressure drainage, utilize the drainage tube to make three-way valve 200 and intracranial communication, and make valve core 220 rotate in the set time length through the controller, to realize three-way valve 200 automatic switching, need not manual operation, and further reduce the risk of patient injury due to artificial not in time.

[0052] It should be noted that the embodiment adopts all the technical features of the intracranial pressure drainage control device of the first aspect embodiment, and therefore, the embodiment has all the beneficial effects brought by the first aspect embodiment, which will not be repeated here.

[0053] In some embodiments, the ventricular drainage system further comprises an intracranial pressure sensor, which is arranged in the intracranial cavity to directly detect the intracranial pressure and realize invasive intracranial pressure monitoring. Thus, the ventricular drainage system of the embodiment can monitor the intracranial pressure and the extracranial pressure together, so that the ventricular drainage system of the embodiment is compatible with invasive intracranial pressure monitoring and ventricular drainage to realize hydraulic coupling intracranial pressure monitoring, that is, the ventricular drainage system of the embodiment integrates two monitoring methods and is suitable for all intracranial pressure monitoring scenarios after neurosurgery.

[0054] Further, in some embodiments, the ventricular drainage system further comprises an alarm device, the intracranial pressure sensor and the extracranial pressure sensor are both in communication with the alarm device, and the alarm device is used to transmit the monitoring signals of the intracranial pressure sensor and the extracranial pressure sensor to a mobile phone. During use, when the monitoring signals of the intracranial pressure sensor and / or the extracranial pressure sensor are abnormal, the alarm device will send information to the medical staff to warn, so that the medical staff do not need to be around the patient at all times, and the ventricular drainage system of the embodiment is more convenient to use.

[0055] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of the ordinary skill of the art that possesses within the premise of not departing from the utility model's tenet. In addition, in the description of the utility model, the description of reference term "an embodiment", "some embodiments", "schematic embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the schematic representation of the above-mentioned term does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way.

Claims

1. An intracranial pressure drainage control device, characterized in that, include: The bracket includes a first mounting part and a second mounting part. The first mounting part has a first mounting hole, and the second mounting part is connected to the first mounting part. The second mounting part has a second mounting hole and three slots communicating with the second mounting hole. A three-way valve includes a valve body and a valve core. The valve body includes a main body and three interfaces. The three interfaces are connected to the radial side of the main body and are all used to connect to a drainage tube. The main body is inserted into the second mounting hole and extends into the first mounting hole. Each interface is snapped into a slot. The main body has a valve cavity. The valve core is disposed in the valve cavity and can rotate relative to the main body. The driving mechanism includes a driving component and a connecting component. The driving component is connected to the first mounting part and is drivenly connected to the valve core. The connecting component is connected to the valve core and is used to drive the valve core to rotate so as to switch the connection state of the three interfaces. A controller is communicatively connected to the drive mechanism, and the controller is configured to cause the drive mechanism to drive the valve core to rotate within a set time period in order to adjust the connection status of the three interfaces.

2. The intracranial pressure drainage control device according to claim 1, characterized in that The valve core has a first connecting hole, and the radial side of the connector has a first limiting part. The drive mechanism also includes a clamp, which has a second connecting hole and a second limiting part on the inner wall of the second connecting hole. The clamp is inserted into the first connecting hole and glued to the inner wall of the first connecting hole. The connector is inserted into the second connecting hole, and the first limiting part abuts against the second limiting part to restrict the connector from rotating relative to the clamp.

3. The intracranial pressure drainage control device according to claim 2, characterized in that The outer wall of the clamp also has a receiving groove for filling with adhesive to bond the clamp to the inner wall of the first connecting hole.

4. The intracranial pressure drainage control device according to claim 3, characterized in that The receiving groove extends along the axial direction of the clamp to the end face of the clamp.

5. The intracranial pressure drainage control device of claim 1, wherein, The first mounting part has a mounting cavity communicating with the first mounting hole, and the driving mechanism is disposed in the mounting cavity.

6. The intracranial pressure drainage control device of claim 1, wherein, The inner wall of the card slot has a limiting groove, and part of the interface is inserted into the limiting groove to restrict the interface within the card slot.

7. The intracranial pressure drainage control device of claim 1, wherein, The three-way valve also includes a rotating component connected to the valve core. Rotating the rotating component can drive the valve core to rotate.

8. The intracranial pressure drainage control device according to claim 7, characterized in that The rotating component is detachably connected to the valve core.

9. The intracranial pressure drainage control device of claim 1, wherein, The intracranial pressure drainage control device also includes a sensor disposed at the first mounting hole. The sensor is configured such that when the three-way valve is inserted into the first mounting hole and connected to the connector, the detection signal of the sensor changes.

10. An external ventricular drainage system, characterized in that include: Multiple drainage tubes Extracranial pressure sensor; Drainage bottle; The intracranial pressure drainage control device according to any one of claims 1 to 9, wherein all three interfaces are connected to one drainage tube, and two of the drainage tubes are respectively connected to the extracranial pressure sensor and the drainage bottle.

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