Cerebrospinal fluid venous imbedding drainage device and operation method thereof

Abstract

The embodiment of the invention provides a cerebrospinal fluid venous imbedding drainage device and an operation method thereof, and relates to the field of medical instruments. The cerebrospinal fluid venous imbedding drainage device comprises a drainage pump body, a ventricular drainage tube and a venous catheter. In the operation process, a power source can be provided by the drainage pump body, so that cerebrospinal fluid accumulated in the ventricle can be led out through the ventricle drainage tube and led into veins through the venous catheter for metabolism, and then the effects of treating cerebrospinal fluid accumulation, intracranial pressure rise, cognitive function decline and senile dementia caused by cerebrospinal fluid lesion are achieved. The traditional Chinese medicine composition can treat and improve the problems of intracranial hemorrhage, subarachnoid hemorrhage, other intracranial non-infectious inflammatory metabolites, immune complexes, intracranial hemorrhage, subarachnoid hemorrhage and the like, so that the traditional Chinese medicine composition can be used for treating long-term and repeated illness conditions, and the treatment effect is improved.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and more particularly, to a cerebrospinal fluid venous indwelling drainage device and an operation method thereof. Background Art

[0002] Cerebrospinal fluid is a kind of liquid contained in the cerebral ventricle, which is the liquid clearance system in the brain, and the production and absorption of cerebrospinal fluid are in dynamic balance. Cerebrospinal fluid lesions are important pathophysiological processes of various nervous system diseases.

[0003] When cerebrospinal fluid diseases occur, drug treatment is usually carried out. However, drug treatment usually only takes effect on the cause, and has limited effects on problems such as cerebrospinal fluid accumulation, increased intracranial pressure, cognitive function decline, and Alzheimer's disease caused by the lesions. Therefore, traditional treatment methods cannot target long-term and recurrent conditions, resulting in greater limitations in treatment. Summary of the Invention

[0004] The present invention provides a cerebrospinal fluid venous indwelling drainage device and an operation method thereof. The cerebrospinal fluid venous indwelling drainage device can actively drain cerebrospinal fluid into the vein, thereby treating and improving problems such as cerebrospinal fluid accumulation, increased intracranial pressure, cognitive function decline, and Alzheimer's disease caused by cerebrospinal fluid lesions, and can thus target long-term and recurrent conditions, thereby improving the treatment effect.

[0005] Embodiments of the present invention may be implemented as follows: Embodiments of the present invention provide a cerebrospinal fluid venous indwelling drainage device, which includes: A drainage pump body, a ventricular drainage tube, and a venous catheter; Wherein, the input end of the drainage pump body is communicated with the output end of the ventricular drainage tube, the output end of the drainage pump body is communicated with the input end of the venous catheter, the input end of the ventricular drainage tube is communicated with the cerebral ventricle and is used for draining cerebrospinal fluid, and the output end of the venous catheter is communicated with the vein and is used for outputting cerebrospinal fluid.

[0006] Optionally, the drainage pump body, the ventricular drainage tube, and the venous catheter are all used for being indwelled in the human body.

[0007] Optionally, the drainage pump body is used for being indwelled in the upper arm of the human body; Or, the drainage pump body is used for being indwelled under the clavicle of the human body.

[0008] Optionally, the drainage pump body includes a housing, a drainage pump head, and a pulsating hose. The drainage pump head and the pulsating hose are both accommodated in the housing. The pulsating hose is matched with the drainage pump head. The input end of the pulsating hose is communicated with the output end of the ventricular drainage tube, and the output end of the pulsating hose is communicated with the input end of the venous catheter.

[0009] Optionally, the drainage pump body further includes a flow sensor for outputting a flow parameter of the cerebrospinal fluid passing through the pulsating hose.

[0010] Optionally, the ventricular drainage tube includes a first tube body, a first imaging ring, and a pressure sensor. The first imaging ring is sleeved on the first tube body. The pressure sensor is disposed at an input end of the first tube body and is configured to output a pressure of the cerebrospinal fluid in the ventricle. An output end of the first tube body communicates with the drainage pump body.

[0011] And / or, the venous catheter includes a second tube body, a second imaging ring, and a one-way valve. The second imaging ring is sleeved on the second tube body. The one-way valve is received in the second tube body. An input end of the second tube body communicates with the drainage pump body. An output end of the second tube body communicates with the vein.

[0012] Optionally, an inner wall and an outer wall of the second tube body are coated with an anticoagulant coating.

[0013] Optionally, the cerebrospinal fluid venous indwelling drainage device further includes a driving member disposed outside the human body and communicating with the drainage pump body.

[0014] Optionally, the cerebrospinal fluid venous indwelling drainage device further includes a subcutaneous dilator, a puncture needle, and a puncture needle tip; The subcutaneous dilator includes a push handle, a dilator body, a spiral anti-slip structure, and a dilator distal end arranged in sequence. The dilator distal end is conical; The puncture needle tip is connected to the puncture needle, and the puncture needle is configured with a transparent bleeding observation port. The puncture needle tip is configured with a micro-guide wire perforation.

[0015] An embodiment of the present invention further provides an operation method of a cerebrospinal fluid venous indwelling drainage device implemented by the cerebrospinal fluid venous indwelling drainage device. The operation method of the cerebrospinal fluid venous indwelling drainage device includes: When the cerebrospinal fluid of the target object is in a normal state, controlling the drainage pump body to be in a non-working state; When the cerebrospinal fluid of the target object is in an abnormal state, controlling the drainage pump body to be in a working state. The ventricular drainage tube transmits the cerebrospinal fluid to the drainage pump body, and the cerebrospinal fluid is transmitted to the vein through the venous catheter.

[0016] The beneficial effects of the cerebrospinal fluid venous indwelling drainage device according to the embodiment of the present invention include, for example: The cerebrospinal fluid venous indwelling drainage device includes a drainage pump body, a ventricular drainage tube and a venous catheter; wherein, the input end of the drainage pump body is communicated with the output end of the ventricular drainage tube, the output end of the drainage pump body is communicated with the input end of the venous catheter, the input end of the ventricular drainage tube is communicated with the ventricle and is used for draining cerebrospinal fluid, and the output end of the venous catheter is communicated with the vein and is used for outputting cerebrospinal fluid. During the operation process, the drainage pump body can provide a power source, so that the cerebrospinal fluid accumulated in the ventricle can be led out through the ventricular drainage tube and introduced into the vein through the venous catheter for metabolism, thereby treating and improving the problems of cerebrospinal fluid accumulation, increased intracranial pressure, cognitive function decline and Alzheimer's disease caused by cerebrospinal fluid lesions, as well as other non-infectious inflammatory metabolites and immune complexes in the cranium, and intraventricular hemorrhage, subarachnoid hemorrhage, etc., and can thus target long-term and repeated conditions, thereby improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic structural diagram of the cerebrospinal fluid venous indwelling drainage device provided in the embodiment of the present invention; Figure 2 It is a working schematic diagram of the cerebrospinal fluid venous indwelling drainage device provided in the embodiment of the present invention Figure 1 ; Figure 3 It is a working schematic diagram of the cerebrospinal fluid venous indwelling drainage device provided in the embodiment of the present invention Figure 2 ; Figure 4 It is a schematic structural diagram of the drainage pump body provided in the embodiment of the present invention; Figure 5 It is a schematic structural diagram of the ventricular drainage tube provided in the embodiment of the present invention; Figure 6 It is a schematic structural diagram of the venous catheter provided in the embodiment of the present invention; Figure 7 It is a schematic structural diagram of the driving member provided in the embodiment of the present invention; Figure 8 It is a communication schematic diagram of the drainage pump body and the driving member provided in the embodiment of the present invention; Figure 9 It is a first perspective structural schematic diagram of another ventricular drainage tube provided in the embodiment of the present invention; Figure 10Another schematic diagram of the second perspective of a ventricular drainage tube provided in the embodiments of the present invention; Figure 11 Another schematic diagram of a venous catheter provided in the embodiments of the present invention; Figure 12 The working schematic diagram of a cerebrospinal fluid venous implantation drainage device provided in the embodiments of the present invention Figure 3 ; Figure 13 Another schematic diagram of a subcutaneous dilator provided in the embodiments of the present invention; Figure 14 Another working schematic diagram of a subcutaneous dilator provided in the embodiments of the present invention; Figure 15 Another schematic diagram of a puncture needle provided in the embodiments of the present invention; Figure 16 Another working schematic diagram of a puncture needle provided in the embodiments of the present invention; Figure 17 The working schematic diagram of a cerebrospinal fluid venous implantation drainage device provided in the embodiments of the present invention Figure 4 ; Figure 18 The working schematic diagram of a cerebrospinal fluid venous implantation drainage device provided in the embodiments of the present invention Figure 5 .

[0019] Icons: 100 - cerebrospinal fluid venous implantation drainage device; 110 - drainage pump body; 111 - housing; 112 - drainage pump head; 113 - pulsating hose; 114 - flow sensor; 115 - magnetic rotor; 116 - data processing unit; 117 - wireless charging receiving unit; 1175 - energy storage device; 118 - pressure sensing unit; 119 - wireless signal transmitting unit; 120 - ventricular drainage tube; 121 - first tube body; 122 - first imaging ring; 123 - pressure sensor; 124 - anchoring head end; 125 - sampling and medicine adding port; 130 - venous catheter; 131 - second tube body; 132 - second imaging ring; 133 - one-way valve; 134 - venous medicine adding port; 140 - driving member; 141 - power supply; 142 - touch screen; 1425 - in-screen data processing unit; 143 - wireless signal receiving unit; 144 - pump body control unit; 145 - wireless charging transmitting unit; 149 - belt body; 150 - subcutaneous dilator; 151 - distal end of the dilator; 152 - main body of the dilator; 153 - spiral anti-slip structure; 154 - pushing handle; 155 - subcutaneous channel; 160 - puncture needle; 161 - puncture needle tip; 162 - transparent bleeding observation port; 163 - micro-guide wire perforation. Detailed implementation manners

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. Components of the embodiments of the present invention usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0022] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0023] In the description of the present invention, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the inventive product is customarily placed during use, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0024] In addition, terms such as "first", "second", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0025] The term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0026] Unless otherwise clearly defined and limited, terms such as "arrangement" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] It should be noted that, without conflict, the features in the embodiments of the present invention can be combined with each other.

[0028] Cerebrospinal fluid is a colorless and transparent liquid that fills the cerebral ventricles, subarachnoid space, and central canal of the spinal cord. It is mainly produced by the choroid plexus of the cerebral ventricles and plays many important roles in the central nervous system, such as buffering, protecting, nourishing, and transporting metabolites. The total volume of cerebrospinal fluid in normal adults is about 110 - 200 ml, with an average of about 130 ml. Its production and absorption are in dynamic balance to maintain normal intracranial pressure. It is an essential liquid clearance system in the brain. Cerebrospinal fluid flows into the brain parenchyma along the space around the arterial blood vessels, then transfers to the brain interstitial fluid, and is then discharged into the meninges and cervical lymphatic drainage vessels along the system around the venous blood vessels to achieve the process of waste clearance.

[0029] Cerebrospinal fluid lesions are important pathophysiological processes of various nervous system diseases, such as hydrocephalus, cerebrospinal fluid circulation disorders, etc. These lesions can cause abnormal changes in the volume, composition, or pressure of cerebrospinal fluid, and thus have a serious impact on the nervous system. For example, patients with hydrocephalus often have increased intracranial pressure due to excessive accumulation of cerebrospinal fluid, causing a series of neurological symptoms such as headache, vomiting, visual impairment, and cognitive decline; pathogens and inflammatory mediators in cerebrospinal fluid can damage nerve cells, resulting in fever, headache, neck stiffness, disturbance of consciousness, epileptic seizures, etc.; cerebrospinal fluid circulation disorders can lead to obstruction of the nutritional supply and metabolite clearance of nerve tissue, causing gradual decline of nerve function.

[0030] Relevant studies have confirmed that certain specific protein components in cerebrospinal fluid are related to the onset of Alzheimer's disease. For example, the transport and clearance of the pathological protein β-amyloid (Aβ) in Alzheimer's disease (AD) also occur along the lymphatic system in the central nervous system. Although tau protein is located inside cells, intracellular tau can be released into the extracellular space and cleared along the lymphatic system. Therefore, the impairment of the brain clearance mechanism may be an important factor leading to the deposition of pathological proteins in AD. Research shows that cerebrospinal fluid replacement is beneficial to improving the condition of patients with Alzheimer's disease.

[0031] In the prior art, for cerebrospinal fluid lesions, drug treatment remains one of the important means. However, drug treatment often can only treat the cause, with repeated effects, and has limited effects on existing cerebrospinal fluid accumulation, increased intracranial pressure, cognitive decline, and Alzheimer's disease. Moreover, drugs are difficult to directly improve the circulation metabolism and drainage of cerebrospinal fluid. For most cerebrospinal fluid lesions, simple drug treatment cannot quickly relieve the patient's neurological symptoms and often recurs.

[0032] For the above reasons, please refer to Figures 1 - 3 , an embodiment of the present invention provides a cerebrospinal fluid venous implantation drainage device 100, which will be described in detail below.

[0033] Please refer to Figures 1 - 3 , the cerebrospinal fluid venous implantation drainage device 100 includes a drainage pump body 110, a ventricular drainage tube 120, and a venous catheter 130; Among them, the input end of the drainage pump body 110 is connected to the output end of the ventricular drainage tube 120, the output end of the drainage pump body 110 is connected to the input end of the venous conduction, the input end of the ventricular drainage tube 120 is connected to the ventricle and is used for draining cerebrospinal fluid, and the output end of the venous catheter 130 is connected to the vein and is used for outputting cerebrospinal fluid.

[0034] During the operation process, the drainage pump body 110 can provide a power source, so that the cerebrospinal fluid accumulated in the ventricle can be drained through the ventricular drainage tube 120 and introduced into the vein through the venous catheter 130 for metabolism. Furthermore, it can treat and improve the cerebrospinal fluid accumulation, increased intracranial pressure, cognitive decline, and Alzheimer's disease caused by cerebrospinal fluid lesions, as well as other non-infectious inflammatory metabolites, immune complexes, and intraventricular hemorrhage, subarachnoid hemorrhage, etc. in the brain, and can thus target the long-term and repeated conditions, thereby improving the treatment effect.

[0035] It should be noted that the reason for draining the cerebrospinal fluid accumulated in the ventricle through the ventricular drainage tube 120 and introducing it into the vein through the venous catheter 130 for metabolism is as follows: First of all, venous blood vessels are efficient material exchange sites with rapid operation and absorption in the circulatory system; substances drained into the vein can quickly be carried away from the drainage site by the rapid flow of venous blood, which contains components such as inflammatory abnormal mediators and toxins. After being drained into the vein, these substances can be transported to the body's metabolic organs, such as the liver and kidneys, for detoxification and excretion metabolism through blood circulation. Moreover, in the venous system, there is extensive material exchange between the blood and the surrounding tissues. After being drained into the vein, the drained substances can better participate in the metabolic process of maintaining the body's internal environment stability; Secondly, venous drainage also has good safety; compared with arteries, venous blood vessels have relatively lower pressure. During the drainage operation, it is less likely for veins to experience situations such as liquid backflow caused by excessive pressure; the venous vessel wall is thinner and is relatively easier to operate during puncture drainage and other operations. Moreover, the venous blood vessels have good elasticity and can withstand a certain degree of liquid inflow during drainage without being easily ruptured due to excessive dilation.

[0036] When abnormalities occur in cerebrospinal fluid, such as increased intracranial cerebrospinal fluid pressure, aggregation of foreign proteins, etc., which cause headaches, vomiting, decreased cognitive function, disturbance of consciousness, epilepsy, and even dementia in patients, seriously affecting their lives. Draining the abnormal cerebrospinal fluid into the vein can effectively reduce intracranial pressure and lower the concentration of abnormal cerebrospinal fluid. The venous system has a large capacity and good compliance and can receive and process the additional cerebrospinal fluid, just like a "buffer pool", preventing damage to brain tissue caused by excessive intracranial pressure; draining foreign proteins and the like into the vein can, with the help of the rapid flow of venous blood, be transported to the body's metabolic organs along with blood circulation for detoxification and excretion. In combination with drugs, it can effectively control the generation and aggregation of foreign proteins in the brain, reduce intracranial pressure, and relieve and treat headaches, vomiting, decreased cognitive function, disturbance of consciousness, epilepsy, and even dementia caused by cerebrospinal fluid.

[0037] Furthermore, in this embodiment, please refer to Figure 2 and Figure 3 , when using the cerebrospinal fluid venous indwelling drainage device 100, in order to improve the convenience of use of the cerebrospinal fluid venous indwelling drainage device 100, the drainage pump body 110, the ventricular drainage tube 120, and the venous catheter 130 can all be used for indwelling in the human body, thereby avoiding potential safety hazards due to being exposed outside the body.

[0038] Specifically, please refer to Figure 2 , the drainage pump body 110 can be used for indwelling in the upper middle part of the upper arm of the human body, so that the connected ventricular drainage tube 120 and venous catheter 130 will not have overly long paths, thereby improving the drainage efficiency of cerebrospinal fluid. Moreover, there are relatively fewer important nerves and blood vessels around this position, which can reduce the difficulty of surgical operation and thus improve the convenience of indwelling.

[0039] In addition, please refer to Figure 3 , the drainage pump body 110 can also be used for indwelling under the collarbone of the human body. Compared with the upper middle part of the upper arm, the position under the collarbone is more concealed and has less impact on the appearance; and this part is relatively stable and is not easily pulled or compressed due to the patient's daily activities, reducing the risk of pipe displacement or blockage.

[0040] Based on the above structure, when configuring the drainage pump body 110, please refer to Figure 4, the drainage pump body 110 includes a housing 111, a drainage pump head 112, and a pulsating hose 113. The drainage pump head 112 and the pulsating hose 113 are both accommodated in the housing 111. The pulsating hose 113 cooperates with the drainage pump head 112. The input end of the pulsating hose 113 is connected to the output end of the ventricular drainage tube 120, and the output end of the pulsating hose 113 is connected to the input end of the venous catheter 130.

[0041] Among them, a plurality of magnetic rotors 115 are arranged on the periphery of the drainage pump head 112. The plurality of magnetic rotors 115 are arranged in a ring shape. The plurality of magnetic rotors 115 are permanent magnets with different magnetic poles, and can form a repulsive force with the magnetic field generated by the external electromagnetic coil, thereby driving the drainage pump head 112 to rotate. Moreover, the movement frequency of the drainage pump head 112 can be controlled by controlling the magnitude and frequency of the electromagnetic force, so as to realize the regulation and control of the cerebrospinal fluid flow rate.

[0042] Based on the structure of the above-mentioned drainage pump body 110, the drainage pump body 110 may further include a flow sensor 114, and the flow sensor 114 is used to output the flow parameters of the cerebrospinal fluid passing through the pulsating hose 113.

[0043] It should be noted that when configuring the drainage pump body 110, the outer shell of the drainage pump body 110 can be made of polyurethane material by injection molding or metal material. The pump head and the pulsating hose 113 are installed in the housing 111 (quick connectors are connected to both ends of the hose for connecting the ventricular drainage tube 120 and the venous catheter 130 respectively). Use the pump body control unit 144 to check whether the assembled pump body is operating normally, and then install a flow sensor 114 at one end of the pulsating hose 113. Then, the energy storage device 1175 (and a wireless charging module that can be used to charge the energy storage device 1175, which can continuously charge the energy storage device 1175 when wearing an external device. The energy storage device 1175 can be in the form of a high-energy battery, a capacitor battery, etc. energy storage forms), the data processing and wireless transmission module are installed in the housing 111, and the detection module is used to detect whether the assembled flow and pressure signal induction are normal and whether the wireless signal is normal; after the detection is completed, a gasket is installed at the connection of the outer shell, and the upper and lower outer shells are connected and sealed.

[0044] Furthermore, in this embodiment, when configuring the ventricular drainage tube 120, please refer to Figure 5 , the ventricular drainage tube 120 includes a first tube body 121, a first imaging ring 122, and a pressure sensor 123. The first imaging ring 122 is sleeved on the first tube body 121. The pressure sensor 123 is arranged at the input end of the first tube body 121 and is used to output the pressure of the cerebrospinal fluid in the ventricle. The output end of the first tube body 121 is connected to the drainage pump body 110.

[0045] Among them, the first tube body 121 is a medical polyurethane material with good biocompatibility. The first tube body 121 is a tube with an inner diameter of 0.15mm~2mm, and a metal wire is pre-buried in the tube for sensor signal transmission; the first developing ring 122 is made of platinum-based alloy and is located 0.5mm~1.5mm from the catheter tip to display its position in the ventricle; the pressure sensor 123 is used to monitor the pressure of the intracranial cerebrospinal fluid in real time and accurately measure tiny pressure changes.

[0046] When making the ventricular drainage tube 120, first use a special extrusion device to pass the signal line through the extrusion device die so that one end of the signal line is connected to the traction device, and then extrude the medical polyurethane material into a tube and wrap the signal line with the tube wall to prevent the signal line from leaking; then cut the extruded tube into a certain length, connect the probe of the pressure sensing element and the signal line at one end of the tube, use a metal rod to support the tube body, and then put the flexible tube on it until the sensing element is completely wrapped and extended by 5mm-10mm, use a laser to weld it firmly, and then use a punching tool to evenly punch some holes in the flexible tube body as infiltration holes for cerebrospinal fluid; finally, remove the supporting metal rod, and the ventricular drainage tube 120 is completed.

[0047] In addition, one end of the ventricular drainage tube 120 near the first developing ring 122 and the pressure sensor 123 is an anchoring head 124, which is a coiled structure and is used to fix the drainage position, thereby preventing it from falling and moving, and ensuring the stability of the drainage operation. In the process of making the anchoring head 124, a molding wire can be first inserted into the tube, and a standard needle gauge can be used as a molding ruler to coil the tube into a desired shape, and then put it into a thermal molding device for heating and molding, and then the molding wire can be taken out after completion.

[0048] In addition to the above-mentioned structure of the ventricular drainage tube 120, the embodiment of the present invention also provides another arrangement method of the ventricular drainage tube 120. For details, please refer to Figure 9 and Figure 10 The ventricular drainage tube 120 may also include a sampling and drug addition port 125. The sampling and drug addition port 125 is a round port structure for adding developing materials (such as barium sulfate, bismuth compounds, tungsten, etc.), which is used for positioning during sampling or drug addition. The middle part is made of flexible silicone material, which is used as an entry and exit path during sampling or drug addition. When the sampling and drug addition device is in progress, the device can break through the silicone layer and easily enter the tube body to sample cerebrospinal fluid or add drugs. When the sampling and drug addition device is withdrawn, the silicone layer can be tightly closed again.

[0049] When manufacturing the ventricular drainage tube 120 with a sampling and drug addition port 125, it is necessary to install a T-joint on the pipe during the manufacturing process and connect the probe of the pressure sensor 123 to the signal wire, and use ultrasonic welding to ensure firm welding. Moreover, after removing the shaping wire, a radiopaque ring is pressed at the head end of the shaped pipe, cut into a standard length, and the proximal end is ultrasonically welded to the other end of the T-joint, thus completing the manufacturing.

[0050] In addition, during the drainage process of the ventricular drainage tube 120 with a sampling and drug addition port 125, cerebrospinal fluid can be sampled at the sampling and drug addition port 125 to detect the content and status of foreign proteins and other components in the cerebrospinal fluid, which is used to determine the treatment effect and adjust the treatment plan, etc.; when drug treatment and protection are required, curative drugs or protective drugs can be injected into the sampling and drug addition port 125.

[0051] Furthermore, based on the above content, when configuring the venous catheter 130, please refer to Figure 6 , the venous catheter 130 includes a second tube body 131, a second radiopaque ring 132, and a one-way valve 133. The second radiopaque ring 132 is sleeved on the second tube body 131, the one-way valve 133 is accommodated in the second tube body 131, the input end of the second tube body 131 is connected to the drainage pump body 110, and the output end of the second tube body 131 is connected to the vein.

[0052] Among them, the second tube body 131 is made of a soft and biocompatible medical polyurethane material, a pipe with an inner diameter of 0.3 mm to 2.3 mm. The output end of the first tube body 121 is designed in a shape suitable for inserting into the vein, and the one-way valve 133 is located at the output end to prevent blood backflow. The length of the first tube body 121 is selected according to the patient's body structure and the vein puncture site.

[0053] It should be noted that the inner and outer walls of the first tube body 121 are coated with an anticoagulant coating, such as PTFE, heparin and other coatings, to reduce the risk of thrombus formation.

[0054] Moreover, it can be understood that when configuring the venous catheter 130, please refer to Figure 11 , the venous catheter 130 can also include a venous drug addition port 134. The venous drug addition port 134 is mainly used for injecting curative drugs or protective drugs when inflammation occurs in the vein or drug-assisted treatment and protection are required. The edge of the venous drug addition port 134 is made of a hard material, and the middle is made of flexible silicone material, which is used as the access route for drug addition. When a sampling and drug addition instrument is used, the instrument can break through the silicone layer to conveniently enter for drug injection, and when the instrument withdraws, the silicone layer can close tightly by itself.

[0055] Moreover, during the manufacturing process of the venous catheter 130, a medical polyurethane material is extruded into a tube with a diameter of 0.38 - 2.3 mm using an extrusion device. The tube is cut into a fixed length, and the injection-molded valve is welded to the inner wall of the tube by ultrasonic welding. Then, the tip of the tube is extruded and shaped into a shape suitable for insertion into the venous blood vessel. After that, in order to more effectively prevent blood coagulation in the venous blood vessel, an anticoagulant coating and an antibacterial coating are applied to the part of the tube implanted in the venous blood vessel. The length of the anticoagulant coating is 30 - 100 mm. Commonly used anticoagulant materials include PTFE, heparin coating, nitric oxide (NO) release coating, hydrophilic polymer coating (such as polyethylene glycol coating), etc. as the anticoagulant coating. The antibacterial coating includes antibiotic coating, quaternary ammonium salt coating, etc.

[0056] Furthermore, based on the structures of the above-mentioned drainage pump body 110, ventricular drainage tube 120, and venous catheter 130, please refer to Figure 7 , the cerebrospinal fluid venous implantation drainage device 100 further includes a driving member 140. The driving member 140 is disposed outside the human body and communicates with the drainage pump body 110. The driving member 140 can be worn on the arm position of the human body. It can have a belt body 149 sleeved on the arm or be pasted on the arm position through Velcro, etc. The structure of the driving member 140 will be described in detail below: Please refer to Figure 4 , Figure 7 and Figure 8 . Specifically, the driving member 140 can be provided with a power supply 141, a touch screen 142, a wireless signal receiving unit 143, a pump body control unit 144, and a wireless charging transmitting unit 145; at the same time, the drainage pump body 110 can be provided with a data processing unit 116, a wireless charging receiving unit 117, a pressure sensing unit 118, a wireless signal transmitting unit 119, etc.

[0057] Among them, the pressure sensing unit 118 is used to detect the cerebrospinal fluid flow condition in the drainage pump body 110. The wireless charging receiving unit 117 includes: a receiving coil, a rectifying circuit, and an energy storage device 1175. The receiving coil is used to generate electromagnetic induction with the transmitting coil to generate alternating current electrical energy. The rectifying circuit converts the alternating current into direct current, and then stores it through the energy storage device 1175.

[0058] The data processing unit 116 includes: an information collection module, a data analysis module, and a data output module. When the information collection module collects the signal transmitted from the pressure and flow sensing element, the data analysis module starts to simplify the collected signal to make the signal easy to transmit and prevent signal loss, and then outputs the processed signal through the data output module.

[0059] The wireless signal transmitting unit 119 includes: a wireless transmission module and a signal antenna; wherein the wireless transmission module, after receiving the data to be transmitted, converts the signal into an electromagnetic wave form through a certain protocol and frequency and transmits it through the antenna, and the signal is received and processed by the receiving module.

[0060] The power supply 141 includes: a battery and an external interface; wherein the battery is the built-in power supply 141 of the device and is used to supply power for the daily operation of the device. The external interface is a common charging interface in daily use, such as: Type-C, MIcro usb, 30pin, lightning, etc.; it can be used to charge the battery and can also be used as a temporary power supply 141.

[0061] The touch screen includes: a human-computer interaction screen and an in-screen data processing unit 1425. The human-computer interaction screen is placed on the outer shell of the driving member 140 and is used to display and provide real-time monitoring data, and can also input the required control effects according to the monitoring data and hand them over to the microprocessor for instruction allocation; the in-screen data processing unit 1425, as the control core of the driving member 140, is used to process the feedback signal received by the wireless receiving unit, transmit it to the human-computer interaction screen for display, and then process the instruction information input by the user on the human-computer interaction screen and transmit it to each unit.

[0062] The pump body control unit 144 includes: 3 - 6 groups of coil windings, which are the external control coils of the drainage pump body 110. When energized, a strong magnetic field is generated to drive the rotation of the internal magnet. The signal transmitted by the data processing unit 116 is used to control the strength of the magnetic field in the coil, so as to realize the fast or slow operation of the magnetic pump.

[0063] The wireless receiving unit includes: a wireless receiving module, a signal amplification module, and an information decryption module. The wireless receiving module is used to receive the signal sent by the transmitting module and process the wireless signal into an electrical signal; the signal amplification module is used to amplify the received signal so that the signal strength meets the processing requirements of the subsequent module; the information decryption module is used to convert the transmitted electrical signal into an electrical signal that the data processing unit 116 can understand, and it is the front-end signal processor of the data processing unit 116.

[0064] It should be noted that through the collaborative operation of each unit, the patient can actively circulate and metabolize cerebrospinal fluid by controlling the driving member 140 according to the real-time state of the cerebrospinal fluid, and can also reduce the probability of cerebrospinal fluid lesions.

[0065] During the manufacturing process of the driving member 140, an injection molding device is used to manufacture the housing of the wearable device. The place where the housing of the wearable device contacts the skin is flat and can be parallel to the implanted device to ensure the normal operation of signal transmission and the magnetic pump. The appearance can be designed according to requirements. Assemble the power supply 141, touch screen 142, data processing unit 116, wireless signal receiving unit 143, magnetic pump control unit, and wireless charging transmitting module into the housing 111. Power on and check whether the functions of each module are intact. Then connect the fixing belt with good skin-friendly, breathable, and antibacterial properties to the housing of the wearable device.

[0066] Based on the above content, referring to Figure 12 and Figure 13 , the following will detail the usage steps of the cerebrospinal fluid venous indwelling drainage device 100 when adjusting the implantation position to the top of the patient's head: Preoperative preparation: Conduct a comprehensive preoperative assessment of the patient to determine the surgical indications and rule out surgical contraindications. If there are conditions such as severe infection or coagulation dysfunction, surgery is not advisable. Prepare the instruments and materials required for the operation, such as the ventricular drainage tube 120 and the venous catheter 130, and ensure that the instruments are in good condition and their functions are normal.

[0067] Place the patient supine on the operating table with the head tilted to one side, usually the non-operative side, to fully expose the surgical area. Slightly elevate the head by about 15° - 30° to reduce the venous return of the head, lower the intracranial pressure, and facilitate the surgical operation.

[0068] Establish a subcutaneous implantation channel, referring to Figure 13, it can be achieved by using a subcutaneous dilator 150, which includes a dilator distal end 151, a dilator body 152, a spiral anti-slip structure 153, and a push handle 154. Under local anesthesia or general anesthesia, first select a suitable model of subcutaneous dilator 150. Generally, it is determined according to factors such as the patient's body type and subcutaneous tissue thickness. Approximately 2 - 3 cm beside the predetermined puncture point, use a scalpel to incise the skin, with the incision length about 1 - 1.5 cm and the depth reaching the subcutaneous tissue. Select a suitable model of subcutaneous dilator 150. The subcutaneous dilator 150 is usually a slender rod-shaped structure. The dilator distal end 151 is a gradually tapering tip, which is convenient for inserting into the subcutaneous tissue. The tip is conical in shape, with an angle that is relatively sharp but ensures that it will not easily cut the tissue. Generally, the tip angle is between 15° - 30°. This design can effectively reduce the resistance during insertion and make the dilator easier to enter the subcutaneous tissue. Its surface is not completely smooth but has fine textures. These textures spiral around the dilator, thus forming a spiral anti-slip structure 153 and extending from the distal end to the proximal end. The function of the textures is to better utilize the side friction force to expand the subcutaneous tissue when rotating and pushing the dilator, and at the same time avoid slipping due to being too smooth during the pushing process, enhancing the controllability of the operation. It has a certain flexibility to adapt to the relatively complex and somewhat curved subcutaneous path from the head to the arm. When encountering tissue resistance or needing to change the direction, it can bend appropriately without breaking. However, it also needs to have sufficient rigidity to ensure that it will not be overly deformed due to the force during the pushing process, affecting the establishment of the channel. Generally, it is made of special medical-grade plastic or metal alloy, and the requirements of flexibility and rigidity are balanced through precise material formulations and processing techniques.

[0069] Determined according to factors such as the patient's subcutaneous fat thickness and muscle development. At the selected surgical position, make a small incision with a scalpel, with the length about 0.5 - 1 cm and the depth reaching the subcutaneous tissue. Refer to Figure 14 , insert the tip of the subcutaneous dilator 150 into the subcutaneous tissue through this small incision, and slowly and gently push it along the preset path from the head incision position towards the arm direction. During the pushing process, continuously and evenly rotate the dilator, and gradually expand the subcutaneous tissue by means of the friction force on its side, thereby forming a subcutaneous channel 155 through which a ventricular drainage catheter can pass. During the operation, be sure to pay attention to the uniform force to avoid tearing the subcutaneous tissue due to excessive force, and at the same time always pay attention to avoiding important blood vessels and nerves. During the pushing process, if obvious resistance is felt, do not forcefully push. Should pause slightly, adjust the angle or check for any abnormalities. When the dilator is pushed to near the predetermined position of the arm, stop pushing, carefully and slowly withdraw the dilator, and thus the subcutaneous implantation channel is initially constructed.

[0070] Refer to Figure 15, the operation is performed using the puncture needle 160. The puncture needle 160 is connected to the puncture needle tip 161, and the puncture needle 160 is configured with a transparent bleeding observation port 162. Moreover, the end of the puncture needle tip 161 is configured with a micro-guide wire perforation 163. During the operation, the dura mater is punctured to reserve an intervention channel for the ventricular drainage catheter. After successful puncture, the ventricular drainage catheter is carefully inserted into the ventricle through the reserved hole. When the ventricular drainage catheter reaches the predetermined position, the operation is stopped. The dura mater has self-repair ability and will closely adhere to the drainage catheter subsequently. Then, the proximal end of the ventricular drainage catheter is passed through the just-established subcutaneous reaming channel and pierced out towards the arm direction. After piercing out, it is temporarily placed aside waiting for subsequent connection operations.

[0071] Reference Figure 16 , Venipuncture and implantation of the venous catheter 130 (taking the arm vein as an example): Select an easily punctured vein in the arm, such as the basilic vein, cephalic vein, etc. The operator carefully observes and determines the position and course of the vein. In the case of incising the skin to expose the vein, generally above the selected vein, hold the special venipuncture needle 160 and insert it at an angle of 15 - 30 degrees, slowly piercing towards the heart direction. When there is blood return in the puncture needle 160, it indicates successful puncture. Then use a micro-guide wire to pass through the back end of the puncture device into the venous blood vessel, withdraw the puncture device, and slowly insert the venous catheter 130 into the venous blood vessel through the micro-guide wire. After inserting to the appropriate depth, carefully withdraw the micro-guide wire, and join one end of the venous catheter 130 with the previously pierced-out ventricular drainage catheter, waiting for subsequent connection operations.

[0072] Reference Figure 17 , Instrument connection and fixation: Connect the venous catheter 130 to the drainage pump body 110 through a connection joint, ensuring a tight connection without leakage. When connecting, carefully check whether the connection part is firm, without gaps or looseness. Then connect the drainage pump body 110 to the corresponding interface on the ventricular drainage catheter, also ensuring a tight connection without leakage. Again, comprehensively check the tightness and stability of the connection to ensure that the entire drainage system is connected correctly. Check the flow and pressure sensors 123 on the ventricular drainage catheter to confirm whether there is information feedback. Initialize and calibrate the sensors according to the operating procedures to ensure the normal operation of the flow and pressure monitoring functions. Carefully implant the tested magnetic pump under the skin of the arm, select a suitable position for fixation to avoid compressing the surrounding tissues. After fixation, perform minimally invasive wound suture on the surgical incision. The suture process follows the principle of aseptic operation, suturing the skin and subcutaneous tissue layer by layer to ensure good wound alignment and reduce the risks of infection and poor healing.

[0073] Based on the above content, reference Figure 18 , The following details the usage steps of the cerebrospinal fluid venous implantation drainage device 100 when the implantation position is adjusted to the lumbar spine of the patient: Preoperative preparation: Conduct a comprehensive preoperative assessment of the patient. The doctor will inquire in detail about the patient's medical history, perform a comprehensive physical examination, especially a neurological examination, to evaluate whether the patient has any contraindications to puncture.

[0074] Device implantation: Establish a subcutaneous implantation channel, which can be achieved by using a subcutaneous dilator 150. It includes a dilator distal end 151, a dilator main body 152, a spiral anti-slip structure 153, and a push handle 154. Under local anesthesia or general anesthesia, first select a suitable model of subcutaneous dilator 150. Generally, it is determined according to factors such as the patient's body type and subcutaneous tissue thickness. At about 2 - 3 cm beside the predetermined puncture point, use a scalpel to incise the skin, with an incision length of about 1 - 1.5 cm and a depth reaching the subcutaneous tissue. Insert the dilator distal end 151 with a pointed structure through the incision into the subcutaneous tissue, and slowly and gently advance along the preset path, that is, from near the lumbar puncture point towards the abdominal wall direction. During the advancement process, continuously rotate the dilator, and use the friction on its side to gradually expand the subcutaneous tissue to form a channel for the ventricular drainage catheter and the venous catheter 130 to pass through. Pay attention to uniform force during advancement to avoid rough operation causing subcutaneous tissue tearing or damaging important blood vessels and nerves. When the dilator is advanced to near the predetermined position on the abdominal wall, stop advancing and carefully withdraw the dilator. At this time, the subcutaneous implantation channel is initially established.

[0075] Lumbar puncture and implantation of ventricular drainage catheter: Use puncture instruments to accurately select the interspace between the 3rd and 5th lumbar vertebrae for puncture intervention. During the puncture process, strictly follow the puncture operation procedures, keep the puncture needle 160 perpendicular to the spine, and slowly insert the needle, feeling the change in resistance during the insertion process. When the puncture needle 160 breaks through the yellow ligament and dura mater, there will be an obvious sense of falling through, indicating successful puncture. Carefully bury the ventricular drainage catheter through the puncture opening into the lumbar subarachnoid space. Through imaging means, such as X-ray fluoroscopy guidance, confirm in real time whether the catheter position is correct. Use the supporting fixation device to firmly fix the catheter on the skin near the puncture point. Pass the other end of the ventricular drainage catheter through the just-established subcutaneous dilation channel and pierce it out towards the abdominal wall direction. After piercing out, temporarily place it aside and wait for subsequent connection operations.

[0076] Femoral vein puncture and implantation of venous catheter 130: At the femoral vein site near the abdominal wall, after routine disinfection and draping, a special venous puncture needle 160 is used for puncture. During puncture, the operator needs to feel the position and course of the femoral vein. Generally, the needle is inserted at about 2 - 3 cm below the inguinal ligament and 0.5 - 1 cm medial to the femoral artery. The angle of insertion is about 30 - 45 degrees, and the needle is slowly inserted towards the cephalad direction. When there is blood return in the puncture needle 160, it indicates successful puncture. A micro-guide wire is inserted into the femoral vein through the puncture needle 160. At the same time, closely observe the changes in the patient's vital signs. If any abnormalities occur, stop the operation immediately and take corresponding measures. After inserting to the appropriate depth, carefully withdraw the puncture needle 160. Then, slowly thread the venous catheter 130 along the micro-guide wire into the femoral vein, and slowly withdraw the micro-guide wire. Pass the proximal end of the venous catheter 130 through the subcutaneous reaming channel and pierce it towards the abdominal wall. After piercing, it meets with one end of the previously pierced ventricular drainage catheter, waiting for the connection operation.

[0077] Instrument connection and fixation: Connect the venous catheter 130 to the magnetic pump through a connecting joint, ensuring a tight connection without leakage. During the connection process, carefully check whether the connection part is firm, without gaps or looseness. Then connect the magnetic pump to the corresponding interface on the ventricular drainage catheter, also ensuring a tight connection without leakage. Check the sealing and stability of the connection again to ensure that the entire drainage system is connected correctly. Check the flow and pressure sensors 123 on the ventricular drainage catheter to confirm whether there is information feedback. Initialize and calibrate the sensors according to the operating procedures to ensure the normal operation of the flow and pressure monitoring functions. Carefully implant the tested magnetic pump under the subcutaneous tissue of the abdominal wall, select a suitable position for fixation, and avoid compressing the surrounding tissues. After fixation, perform minimally invasive wound suture on the surgical incision. The suture process follows the principle of aseptic operation, suturing the skin and subcutaneous tissue layer by layer to ensure good wound alignment and reduce the risks of infection and poor healing.

[0078] The embodiment of the present invention also provides an operation method of a cerebrospinal fluid venous indwelling drainage device, which is realized by the above-mentioned cerebrospinal fluid venous indwelling drainage device 100. The operation method of this cerebrospinal fluid venous indwelling drainage device includes: When the cerebrospinal fluid of the target object is in a normal state, control the drainage pump body 110 to be in a non-working state; When the cerebrospinal fluid of the target object is in an abnormal state, control the drainage pump body 110 to be in a working state. The ventricular drainage tube 120 transmits cerebrospinal fluid to the drainage pump body 110, and the cerebrospinal fluid is transmitted to the vein through the venous catheter 130.

[0079] Moreover, during use, the operator can adjust the working state of the drainage pump body 110 through the driving member 140 to achieve active drainage and metabolism of cerebrospinal fluid.

[0080] It should be noted that the operation method of this cerebrospinal fluid venous implantation drainage device can use the above-mentioned cerebrospinal fluid venous implantation drainage device 100 for teaching demonstrations of cerebrospinal fluid lesions and carrying out relevant research work. Therefore, its target object can be a human model.

[0081] The implementation steps of the operation method of this cerebrospinal fluid venous implantation drainage device are as follows: A. Refer to Figure 12 and Figure 13 , taking the implantation position adjusted to the top of the target object's head as an example, the operation method of this cerebrospinal fluid venous implantation drainage device includes: Preoperative preparation: Prepare the instruments and materials required for the operation, such as the ventricular drainage tube 120 and the venous catheter 130, to ensure that the instruments are in good condition and their functions are normal.

[0082] Place the target object on the operating table in a supine position, with the head tilted to one side, usually to the non-operative side, to fully expose the surgical area. The head is slightly elevated, about 15° - 30°, to reduce the venous return of the head, lower the intracranial pressure, and facilitate the operation.

[0083] Establish a subcutaneous implantation channel. Refer to Figure 13 , which can be achieved by using the subcutaneous dilator 150. First, select a suitable model of the subcutaneous dilator 150, which is generally determined according to factors such as the body type of the target object and the thickness of the subcutaneous tissue. At about 2 - 3 cm beside the predetermined puncture point, use a scalpel to cut the surface layer of the target object, with the incision length about 1 - 1.5 cm and the depth reaching the subcutaneous tissue. Select a suitable model of the subcutaneous dilator 150. The subcutaneous dilator 150 is usually a slender rod-shaped structure, and the distal end 151 of the dilator is a gradually tapering tip, which is convenient for inserting into the subcutaneous tissue. At the selected position, make a small incision with a scalpel, with the length about 0.5 - 1 cm and the depth reaching the subcutaneous tissue. Refer to Figure 14 , insert the tip of the subcutaneous dilator 150 into the subcutaneous tissue through this small incision, and slowly and gently push it along the preset path from the head incision position towards the arm direction. During the pushing process, continuously and evenly rotate the dilator, and gradually expand the subcutaneous tissue by means of the friction on its side, so as to form a subcutaneous channel 155 on the target object through which the ventricular drainage catheter can pass. During the operation, be sure to pay attention to the uniform force to avoid excessive force causing tearing of the subcutaneous tissue, and always pay attention to avoiding the important blood vessels and nerves of the target object. If obvious resistance is felt during the pushing process, do not forcefully push forward, but pause slightly, adjust the angle or check for any abnormalities. When the dilator is pushed to near the predetermined position of the arm, stop pushing, carefully and slowly withdraw the dilator, and thus the subcutaneous implantation channel is initially constructed.

[0084] Refer to Figure 15, the puncture needle 160 is used for the operation. During the operation, the dura mater of the puncture target object is punctured to reserve an intervention channel for the ventricular drainage catheter. After successful puncture, the ventricular drainage catheter is carefully inserted into the ventricle through the reserved hole. When the ventricular drainage catheter reaches the predetermined position, the operation is stopped. Then, the proximal end of the ventricular drainage catheter is passed through the just-established subcutaneous reaming channel and punctured out towards the arm direction. After puncturing out, it is temporarily placed aside and waits for subsequent connection operations.

[0085] Reference Figure 16 , Venipuncture and implantation of the venous catheter 130 (taking the arm vein as an example): Select an easily punctured vein on the arm of the target object, such as the basilic vein, cephalic vein, etc. The operator carefully observes and determines the position and course of the vein. When the vein is exposed at the incision position, generally above the selected vein, hold the special venipuncture needle 160 and insert it at an angle of 15 - 30 degrees, slowly piercing towards the heart direction. When there is blood return in the puncture needle 160, it indicates successful puncture. Then use a micro-guide wire to pass through the back end of the puncture device into the venous blood vessel, withdraw the puncture device, and slowly insert the venous catheter 130 into the venous blood vessel through the micro-guide wire. After inserting to an appropriate depth, carefully withdraw the micro-guide wire, and join one end of the venous catheter 130 with the previously punctured-out ventricular drainage catheter, waiting for subsequent connection operations.

[0086] Reference Figure 17 , Instrument connection and fixation: Connect the venous catheter 130 with the drainage pump body 110 through a connection joint to ensure a tight connection without leakage. When connecting, carefully check whether the connection part is firm, without gaps or looseness. Then connect the drainage pump body 110 with the corresponding interface on the ventricular drainage catheter, and also ensure a tight connection without leakage. Once again, comprehensively check the sealing and stability of the connection to ensure that the entire drainage system is connected correctly. Check the flow and pressure sensors 123 on the ventricular drainage catheter to confirm whether there is information feedback. Initialize and calibrate the sensors according to the operating procedures to ensure the normal operation of the flow and pressure monitoring functions. Carefully implant the tested magnetic pump under the subcutaneous tissue of the arm, select a suitable position for fixation to avoid compressing the surrounding tissues. After fixation, perform minimally invasive wound suture on the incision. The suture process follows the principle of aseptic operation, suturing the surface layer and the tissue under the surface layer layer by layer to ensure good alignment of the incision.

[0087] B. Taking the Figure 18 , the lumbar region of the target object as the implantation position as an example, the operation method of this cerebrospinal fluid venous implantation drainage device includes: Device implantation: Establishing a subsurface implantation channel can be achieved by using a subcutaneous expansion strip 150. First, select a subcutaneous expansion strip 150 of a suitable model. Generally, it is determined according to factors such as the body size of the target object and the thickness of the subsurface tissue. At about 2-3 cm from the predetermined puncture point, the surface layer is cut with a scalpel. The length of the incision is about 1-1.5 cm and the depth reaches the subsurface tissue. The distal end 151 of the expansion strip with a pointed structure is inserted into the subcutaneous tissue through the incision and slowly and gently pushed along the preset path, that is, from the vicinity of the target object's lumbar puncture point to the abdominal wall. During the advancement process, the expansion strip should be continuously rotated to gradually expand the subsurface tissue using the friction force of its side to form a channel for the ventricular drainage catheter and the venous catheter 130 to pass through. When advancing, it is necessary to pay attention to uniform strength to avoid rough operation that may cause the subsurface tissue to tear or damage important blood vessels and nerves. When the expansion strip is advanced to a predetermined position close to the abdominal wall, stop advancing and carefully withdraw the expansion strip. At this point, the subsurface implantation channel is initially established.

[0088] Lumbar puncture and ventricular drainage catheter implantation: Use the puncture instrument to accurately select the 3-5 lumbar interspace of the target object for puncture intervention. During the puncture process, strictly follow the puncture operation procedures, keep the puncture needle 160 perpendicular to the spine, slowly insert the needle, and feel the change in resistance during the insertion of the needle. When the puncture needle 160 breaks through the yellow ligament and the dura mater, there will be a clear sense of emptiness, indicating that the puncture is successful. Carefully bury the ventricular drainage catheter into the lumbar subarachnoid space through the puncture port. Use imaging methods, such as X-ray guidance, to confirm in real time whether the catheter position is correct. Use the matching fixing device to firmly fix the catheter to the skin near the puncture point. Pass the other end of the ventricular drainage catheter through the subcutaneous expansion channel just established, and pass it toward the abdominal wall. After passing through, temporarily put it aside and wait for subsequent connection operations.

[0089] Femoral vein puncture and intravenous catheter 130 implantation: After routine disinfection and draping, a dedicated intravenous puncture needle 160 is used for puncture at the femoral vein site near the abdominal wall. During puncture, the operator needs to understand the location and course of the femoral vein. Generally, the needle is inserted about 2-3cm below the inguinal ligament and 0.5-1cm inside the femoral artery. The needle insertion angle is about 30-45 degrees, and the needle is slowly inserted toward the head. When blood returns from the puncture needle 160, it indicates that the puncture is successful. Insert the microguidewire into the femoral vein through the puncture needle 160. At the same time, closely observe the vital signs of the target object. If abnormal, stop the operation in time and take corresponding measures. After inserting to a suitable depth, carefully withdraw the puncture needle 160, and slowly pass the intravenous catheter 130 along the microguidewire into the femoral vein, and slowly withdraw the microguidewire; pass the proximal end of the intravenous catheter 130 through the subcutaneous reaming channel toward the abdominal wall, and after passing through, meet with one end of the ventricular drainage catheter that was previously passed through, and wait for the connection operation.

[0090] Instrument connection and fixation: Connect the venous catheter 130 to the magnetic pump through a connecting joint to ensure a tight connection without leakage. During the connection process, carefully check whether the connection part is firm, without gaps or looseness. Then connect the magnetic pump to the corresponding interface on the ventricular drainage catheter, and also ensure a tight connection without leakage. Check the sealing and stability of the connection again to ensure that the entire drainage system is connected correctly. Check the flow and pressure sensors 123 on the ventricular drainage catheter to confirm whether there is information feedback. Initialize and calibrate the sensors according to the operating procedures to ensure the normal operation of the flow and pressure monitoring functions. Carefully implant the tested magnetic pump under the subcutaneous tissue of the abdominal wall, select a suitable position for fixation, and avoid compressing the surrounding tissues. After fixation, perform minimally invasive wound suture on the incision. The suture process follows the principle of aseptic operation, suture the surface layer and the tissue under the surface layer layer by layer to ensure good alignment of the incision.

[0091] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claimed rights.

Claims

1. A cerebrospinal fluid venous indwelling drainage device, characterized in that, Comprising: A drainage pump body (110), a ventricular drainage tube (120), and a venous catheter (130); Wherein, the input end of the drainage pump body (110) is communicated with the output end of the ventricular drainage tube (120), the output end of the drainage pump body (110) is communicated with the input end of the venous catheter, the input end of the ventricular drainage tube (120) is communicated with the ventricle and is used for draining cerebrospinal fluid, and the output end of the venous catheter (130) is communicated with the vein and is used for outputting cerebrospinal fluid.

2. The cerebrospinal fluid venous indwelling drainage device according to claim 1, wherein The drainage pump body (110), the ventricular drainage tube (120), and the venous catheter (130) are all used for being implanted into the human body.

3. The cerebrospinal fluid venous indwelling drainage device according to claim 2, characterized in that, The drainage pump body (110) is used for being implanted into the upper arm of the human body; Or, the drainage pump body (110) is used for being implanted under the collarbone of the human body.

4. The cerebrospinal fluid venous indwelling drainage device according to claim 1, wherein The drainage pump body (110) includes a housing (111), a drainage pump head (112), and a pulsating hose (113). The drainage pump head (112) and the pulsating hose (113) are both disposed in the housing (111). The pulsating hose (113) cooperates with the drainage pump head (112). The input end of the pulsating hose (113) is communicated with the output end of the ventricular drainage tube (120), and the output end of the pulsating hose (113) is communicated with the input end of the venous catheter (130).

5. The cerebrospinal fluid venous indwelling drainage device according to claim 4, characterized in that, The drainage pump body (110) further includes a flow sensor (114), and the flow sensor (114) is used for outputting a flow parameter representing the cerebrospinal fluid passing through the pulsating hose (113).

6. The cerebrospinal fluid venous indwelling drainage device according to any one of claims 1-5, characterized in that, The ventricular drainage tube (120) includes a first tube body (121), a first imaging ring (122), and a pressure sensor (123). The first imaging ring (122) is sleeved on the first tube body (121). The pressure sensor (123) is disposed at the input end of the first tube body (121) and is used for outputting a pressure representing the cerebrospinal fluid in the ventricle. The output end of the first tube body (121) is communicated with the drainage pump body (110); And / or, the venous catheter (130) includes a second tube body (131), a second imaging ring (132), and a one-way valve (133). The second imaging ring (132) is sleeved on the second tube body (131). The one-way valve (133) is accommodated in the second tube body (131). The input end of the second tube body (131) is communicated with the drainage pump body (110), and the output end of the second tube body (131) is communicated with the vein.

7. The cerebrospinal fluid venous indwelling drainage device according to claim 6, characterized in that, The inner and outer walls of the second tube body (131) are coated with an anticoagulant coating.

8. The cerebrospinal fluid venous indwelling drainage device according to any one of claims 1-5, characterized in that, The cerebrospinal fluid venous implantation drainage device further includes a driving member (140), and the driving member (140) is disposed outside the human body and communicates with the drainage pump body (110).

9. The cerebrospinal fluid venous indwelling drainage device according to any one of claims 1-5, characterized in that, The cerebrospinal fluid venous implantation drainage device further includes a subcutaneous dilator (150), a puncture needle (160), and a puncture needle tip (161); The subcutaneous dilator strip (150) includes a push handle (154), a dilator strip main body (152), a spiral anti-slip structure (153), and a dilator strip distal end (151) arranged in sequence. The dilator strip distal end (151) is conical; The puncture needle head (161) is connected to the puncture needle (160), and the puncture needle (160) is provided with a transparent bleeding observation port (162). The end of the puncture needle head (161) is provided with a micro-guide wire perforation (163).

10. An operation method of a cerebrospinal fluid venous indwelling drainage device, characterized in that, It is realized by the cerebrospinal fluid venous indwelling drainage device according to any one of claims 1-9. The operation method of the cerebrospinal fluid venous indwelling drainage device includes: When the cerebrospinal fluid of the target object is in a normal state, control the drainage pump body (110) to be in a non-working state; When the cerebrospinal fluid of the target object is in an abnormal state, control the drainage pump body (110) to be in a working state. The ventricular drainage tube (120) transmits the cerebrospinal fluid to the drainage pump body (110), and the cerebrospinal fluid is transmitted to the vein through the venous catheter (130).

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