Drainage device for neurosurgical treatment and use method

Abstract

The invention relates to the technical field of medical instruments, in particular to a drainage device for neurosurgical treatment and a using method.The drainage device comprises a drainage tube, a drainage bottle and a drainage bag, and the drainage tube is sequentially communicated with the ventricle, the drainage bottle and the drainage bag; a sensing assembly used for fixing the drainage tube and sensing the vertical height change of the drainage tube is connected to the position, close to the head top fixing position of the patient, of the drainage tube in a sleeving mode and is in signal connection with a controller, and a driving assembly and a connecting rod assembly which are fixedly connected with each other are further arranged on the bed board. The adjusting assembly is used for fixing the drainage bottle and the drainage bag and engaged with the end, away from the driving assembly, of the connecting rod assembly. The height difference between the drainage bottle and the ventricular drainage point is sensed and adjusted in real time, so that the height difference between the drainage bottle and the drainage tube is always kept equal, and the intracranial pressure fluctuation risk of a patient is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a drainage device for neurosurgery treatment and a method of use. Background Art

[0002] In the field of neurosurgery, drainage is an important clinical treatment method. It primarily uses drainage devices to drain excess cerebrospinal fluid, hematomas, or postoperative exudates from the patient's ventricles to the outside of the body. This regulates intracranial pressure, maintains a normal intracranial physiological environment, prevents increased intracranial pressure caused by fluid accumulation, and thus avoids serious complications such as brain herniation, thereby promoting postoperative recovery. For example, in the treatment of patients with hydrocephalus, timely and effective drainage can relieve pressure on brain tissue and improve the patient's neurological function.

[0003] However, currently available neurosurgery drainage devices, such as external ventricular drains, are made of medical silicone and medical soft polyvinyl chloride, and are matched with ventricular drainage tubes for clinical collection of ventricular drainage fluid. Medical staff need to manually adjust the height of the observation window to adjust the patient's intracranial pressure. Although this type of external ventricular drain achieves precise drainage through the observation window, most of them hang the drainage bottle and drainage bag on a bracket, and the medical staff manually adjust the height of the drainage bottle to avoid the patient's intracranial pressure difference. Due to the lack of an adjustment mechanism for the vertical height of the drainage bottle, it is difficult to dynamically adjust the height difference between the drainage bottle and the ventricular drainage point in real time according to changes in the patient's body position (such as turning over, adjusting the head of the bed angle, etc.). The instability of the height difference will directly affect the drainage speed and effect, which may lead to excessive drainage or poor drainage, increase the risk of intracranial pressure fluctuations, and affect the patient's treatment effect. Therefore, a drainage device for neurosurgery treatment and a method of use are proposed. Summary of the Invention

[0004] To solve the above problems, the present invention provides a drainage device for neurosurgery treatment and a method of use. By real-time sensing and adjusting the height difference between the drainage bottle and the ventricular drainage point, the height difference between the drainage bottle and the drainage tube is always kept equal, thereby reducing the risk of intracranial pressure fluctuations in patients.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a drainage device for neurosurgery treatment, comprising a drainage tube, a drainage bottle and a drainage bag, wherein the drainage tube is connected to the ventricle, the drainage bottle and the drainage bag in sequence, and further comprising a bed body and a bed board, wherein the bed board is fixedly connected to one end of the bed body, and a sensing component for fixing the drainage tube and sensing the vertical height change of the drainage tube is sleeved on a fixed part of the drainage tube near the top of the patient's head, and the sensing component signal is connected to a controller, and a driving component and a connecting rod component fixedly connected to each other are respectively provided on the bed board, and an adjusting component is further provided on one side of the bed board, and the adjusting component is used to fix the drainage bottle and the drainage bag respectively, and the adjusting component is engaged with an end of the connecting rod component away from the driving component; the driving component is used to dynamically adjust the forward or reverse rotation of the connecting rod component based on the vertical height change of the drainage tube collected by the sensing component, and the connecting rod component is used to adjust the height of the drainage bottle and the drainage bag on the adjusting component according to the forward and reverse driving action of the driving component, thereby keeping the height difference between the drainage bottle and the drainage tube always equal;

[0006] The connecting rod assembly includes a slider, a slide groove and a four-bar linkage. The slide groove is opened on the bed board, and the slider slides in cooperation with the slide groove. The four-bar linkage includes an active link, a transmission link, a first driven link and a second driven link hinged in head and tail in sequence, wherein the center of the transmission link is hinged to the slider, the end of the active link away from the transmission link is coaxially fixedly connected to the drive assembly, and the end of the second driven link away from the first driven link is coaxially fixedly connected to the adjustment assembly.

[0007] The technical principles of the above solution are as follows:

[0008] The patient lies in bed, and medical staff manually adjust the vertical height of the drainage bottle and the drainage tube in the patient's ventricle for continuous drainage. When the patient's head position changes, the drainage tube moves near the fixed point on the patient's head. The sensing component attached to the drainage tube detects the displacement of the drainage tube and transmits it to the controller. After receiving the signal, the controller activates the drive component, which in turn drives the active connecting rod to rotate. The active connecting rod serves as the starting end of the four-bar linkage. When it rotates, it drives the entire four-bar linkage. The center of the transmission connecting rod is hinged to the slider, which slides within a slot provided in the bed board. The rotation of the active connecting rod causes the slider to slide within the slot through the transmission connecting rod, simultaneously driving the movement of the first and second driven connecting rods. The end of the second driven connecting rod, away from the first driven connecting rod, is coaxially fixedly connected to the adjustment component, thereby transmitting the movement of the four-bar linkage to the adjustment component, achieving height adjustment of the drainage bag and drainage bottle on the adjustment component.

[0009] The above scheme has the following beneficial effects:

[0010] 1. In this solution, traditional drainage devices rely on manual height adjustment, making it difficult to adapt to changes in the patient's head position in real time, which can easily lead to poor drainage or excessive drainage. In this solution, the sensing component monitors the vertical height changes of the drainage tube in real time. The controller precisely controls the drive component and the connecting rod component, driving the adjustment component to automatically adjust the height of the drainage bottle, ensuring that the height difference between the drainage bottle and the drainage tube is always maintained at the clinical set value. This effectively ensures the stability and effectiveness of drainage, reduces the risk of complications caused by improper height difference, such as abnormal intracranial pressure, and provides patients with more accurate and safe treatment.

[0011] 2. With this solution, medical staff only need to manually adjust the drainage bottle height and calibrate it initially. The device then automatically responds to changes in the patient's head position, eliminating the need for frequent manual operation. This not only reduces the workload for medical staff, allowing them to focus more on other patient treatments and care, but also reduces the risks associated with untimely manual adjustments or operational errors, thereby improving medical efficiency and quality.

[0012] 3. This solution utilizes a four-bar linkage mechanism, effectively buffering and distributing loads during adjustment, preventing the adjustment components from experiencing excessive, instantaneous impact. Furthermore, the mutual restraint and stable transmission between the components reduce component wear and the probability of failure. For example, the sliding fit of the slider within the chute and the articulated design between the connecting rods ensure smooth movement, extending the device's service life, reducing maintenance costs, and improving its reliability in clinical use.

[0013] Furthermore, the sensing component includes a fixed box fixedly connected to the bed board, the drainage tube passes through the fixed box and is slidably connected to the fixed box, and the part of the drainage tube located in the fixed box is sleeved with a magnetic sensing block, the magnetic sensing block is slidably connected to the inner wall of the fixed box, and the top wall of the fixed box is provided with a Hall sensor connected to the controller signal.

[0014] Beneficial Effects: The combination of a magnetic induction block and a Hall effect sensor enables highly sensitive monitoring of vertical height changes in the drainage tube. As the drainage tube slides within the fixed box with the patient's head, the magnetic induction block shifts synchronously. The Hall effect sensor quickly and accurately senses the magnetic field changes and transmits the height change signal to the controller in real time. This allows the device to respond promptly to tiny height changes, ensuring precise adjustment of the height difference between the drainage bottle and the drainage tube, avoiding drainage anomalies caused by sensor lag, and significantly improving the accuracy of drainage treatment.

[0015] Furthermore, trigger clips are symmetrically provided on the inner bottom wall of the fixed box, and the center positions of the trigger clips are hinged to the inner bottom wall of the fixed box. A trigger rod is fixedly connected to the bottom of the magnetic sensing block, and a clamping claw is fixed at one end of the top of the trigger clip. Both ends of the trigger clip are fixedly connected to a spring, and the end of the spring away from the trigger clip is fixedly connected to the inner wall of the fixed box, and the drainage tube is located between the symmetrically arranged clamping claws.

[0016] Beneficial Effects: When the drainage tube moves with the patient's head, the trigger lever at the bottom of the magnetic sensor block touches the trigger clamp on the bottom wall of the fixed box. The trigger clamp rotates around the hinge point, and the clamping claws then dynamically clamp the drainage tube, ensuring its stable sliding within the fixed box. This ensures the stability and safety of the drainage line and reduces the treatment risk of the drainage tube being pulled off. A spring assists the trigger lever in resetting the patient's head.

[0017] Furthermore, the inner walls of the clamping claws are fixedly connected with a flexible layer.

[0018] Beneficial effect: Compared with traditional rigid fixation, the clamping claw with a flexible layer can effectively limit the shaking of the drainage tube and avoid causing hard damage to the drainage tube.

[0019] Furthermore, sealing rings are provided at the connections between both ends of the drainage tube and the fixing box.

[0020] Beneficial effect: The sealing ring can prevent external pathogens from entering the fixed box and causing cross infection, and can also increase the friction on the drainage tube, so that the drainage tube will not slide down in a vertical state as much as possible, maintaining the stability of the magnetic induction block sleeved on the drainage tube.

[0021] Furthermore, the driving assembly includes a motor box and a servo motor fixedly connected to the bed board. The motor box is located on the side of the bed board opposite to the slide groove. The servo motor is fixedly connected to the inner wall of the motor box. The servo motor is connected to the controller signal. The output shaft of the servo motor is coaxially provided with an adsorption assembly. The other end of the adsorption assembly is provided with a first connecting rod. The first connecting rod is detachably connected to the servo motor through the adsorption assembly. The end of the first connecting rod away from the adsorption assembly passes through the bed board and is fixedly connected to the active connecting rod.

[0022] Beneficial Effects: The servo motor precisely adjusts the output shaft's rotation angle and speed based on commands from the controller. This power is stably transmitted to the first connecting rod via the adsorption assembly, which in turn drives the active connecting rod, achieving precise control of the four-bar linkage and adjustment assembly. This precise power transmission mechanism enables precise adjustment of the drainage bottle height to match the height variation of the drainage tube, ensuring that the height difference between the drainage bottle and the drainage tube remains within the precise clinically defined range, significantly improving the effectiveness and safety of drainage therapy.

[0023] Furthermore, the adjustment assembly includes an adjustment box, a fixing frame, and a worm gear and a worm gear that mesh with each other. The adjustment box is fixedly connected to the bed board on the same side as the motor box. The worm gear and the worm gear are both located in the adjustment box. One end of the worm gear is fixedly connected to the second connecting rod. One end of the second connecting rod passes through the adjustment box and the bed board and is coaxially fixedly connected to the second driven connecting rod. A threaded groove is opened in the worm gear, and a lead screw is connected to the inner thread of the worm gear. Both ends of the lead screw pass through the adjustment box and are slidably connected to the adjustment box, and both ends of the lead screw are provided with a limiting ring. The fixing frame is fixedly connected to the top of the lead screw, and the drainage bottle and drainage bag are both arranged on the fixing frame.

[0024] Beneficial effects: By adopting a worm gear transmission, its unique helical tooth meshing structure has the characteristics of a large transmission ratio and smooth movement. It can accurately convert the rotation of the second driven connecting rod into a slow rotation of the worm gear, and then realize the micro-step lifting and lowering of the screw rod through the cooperation of the internal thread groove of the worm gear and the screw rod, which significantly improves the accuracy of drainage treatment and reduces the risk of intracranial pressure fluctuations caused by height difference deviation.

[0025] The worm gear drive has a reverse self-locking feature, meaning that only the worm can drive the worm wheel, and the worm wheel cannot reverse the worm. In this device, when the servo motor stops, even if the drainage bottle is subjected to external forces (such as a slight collision when the patient turns over), the self-locking function of the worm gear effectively prevents the lead screw from rotating, ensuring that the drainage bottle remains at a stable height.

[0026] The limit rings set at both ends of the screw can effectively limit the travel range of the screw, preventing the screw from detaching from the adjustment box or damaging the internal structure due to excessive adjustment.

[0027] Furthermore, the other end of the worm is fixedly connected to a third connecting rod, which passes through the adjustment box and is fixedly connected to a knob;

[0028] The adsorption component includes a magnetic ring key-connected to the output shaft of the servo motor, and the first connecting rod is provided with an electromagnet connected to the controller signal.

[0029] Beneficial Effects: When manual adjustment is required, the controller de-energizes the electromagnet, eliminating the magnetic force between the electromagnet and the magnetic ring, allowing the first connecting rod to quickly separate from the servo motor. Medical staff can then simply turn the knob, which drives the worm and worm gear through the third connecting rod, thereby adjusting the lead screw height and quickly adjusting the drainage bottle height. This combination of manual and automatic adjustment leverages the precision and efficiency of automatic adjustment while providing a reliable backup adjustment method. This significantly enhances the device's flexibility and applicability in different usage scenarios, ensuring that drainage treatment is not disrupted by equipment failures.

[0030] A method for using a drainage device for neurosurgery treatment, based on a drainage device for neurosurgery treatment, comprises the following steps:

[0031] Step 1: Initial calibration: With the patient lying down, the controller disconnects the electromagnet and manually adjusts the height of the fixture using the knob so that the vertical height difference between the drainage bottle inlet and the patient's ventricular drainage point reaches the clinically set value. At this point, the controller records the magnetic field position of the Hall sensor as the reference height.

[0032] Step 2: Dynamic adjustment: The controller starts the electromagnet to attract the magnetic ring, so that the servo motor is adsorbed and connected to the first connecting rod. When the patient turns over or the angle of the bed head changes, causing the head position to change, the drainage tube moves with the head, and the magnetic induction block slides in the fixed box. The Hall sensor detects the height deviation and sends a signal to the controller. The controller calculates the height difference change and sends an instruction to the servo motor: if the drainage tube is raised, the vertical height difference between the drainage bottle inlet and the patient's ventricular drainage point decreases, and the motor rotates forward to drive the four-bar linkage to lift the fixed frame; if the drainage tube is lowered, the vertical height difference between the drainage bottle inlet and the patient's ventricular drainage point increases, and the motor reverses to lower the fixed frame until the Hall sensor feedback height difference returns to the set value;

[0033] Step 3: Clamp the drainage tube: During the adjustment process, the trigger clamp cooperates with the flexible layer through spring tension to always maintain a flexible clamp on the drainage tube, avoiding traction damage caused by rigid fixation;

[0034] Step 4: Safety protection: When the height deviation exceeds the clinical safety threshold, the controller triggers an audible and visual alarm to prompt medical staff to intervene manually; in the event of a power outage, the servo motor brake locks the screw position to prevent the fixed frame from sliding freely; it automatically recalibrates after power is restored.

[0035] Furthermore, in step 1, the reference height is preferably 10 to 15 cm.

[0036] Beneficial effects:

[0037] 1. This solution disconnects the electromagnet through the controller and manually adjusts the height of the fixing frame using a knob. Combined with a high-precision Hall sensor, the vertical height difference between the drainage bottle inlet and the patient's ventricular drainage point can be accurately adjusted to the clinically set 10-15cm. This precise calibration process lays a solid foundation for subsequent drainage treatment, ensuring the accuracy and effectiveness of drainage from the source, and reducing the risk of treatment deviations and complications caused by improper initial height settings. At the same time, the controller records the magnetic field position of the Hall sensor as a reference height, providing a precise reference for subsequent dynamic adjustments, so that the entire drainage process is always carried out around an accurate height reference.

[0038] 2. This solution, through a dynamic adjustment mechanism, can quickly and accurately adapt to various changes in the patient's body position, always maintaining a stable and accurate drainage height difference, effectively improving the continuity and stability of drainage treatment, reducing the workload of medical staff for frequent manual adjustments, and also reducing the risk of intracranial pressure fluctuations caused by unstable height difference.

[0039] 3. This solution achieves flexible clamping of the drainage tube through the synergistic effect of the trigger clamp, spring, and flexible layer. During adjustment, the trigger clamp, under the tension of the spring, tightly adheres to the drainage tube using the flexible layer, effectively securing the drainage tube and preventing it from shaking and shifting, while also avoiding the strain damage caused by rigid fixation.

[0040] 4. This solution utilizes a multi-layered safety protection system. When the height deviation exceeds the clinical safety threshold, the controller immediately triggers an audible and visual alarm, prompting medical staff to intervene and avoid serious complications caused by height anomalies. In the event of a power outage, the servo motor brake locks the lead screw position, preventing the bracket from sliding freely, ensuring the safety of both the patient and the device. The automatic recalibration function upon power restoration enables the device to quickly return to its correct working state, eliminating the need for medical staff to redo complex initial settings. These safety protection measures comprehensively cover various emergencies, providing a solid safety guarantee for neurosurgery drainage treatment and effectively reducing medical risks.

[0041] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is an axonometric diagram of an embodiment of the neurosurgery drainage device and method of use of the present invention;

[0043] Figure 2 A schematic lateral cross-sectional view of one side of a bed plate according to an embodiment of a drainage device for neurosurgery treatment and a method of use of the present invention;

[0044] Figure 3 The present invention is a neurosurgery treatment drainage device and a method of use of the embodiment Figure 2 Axonometric diagram of part A;

[0045] Figure 4 This is an axonometric diagram of the interior of a fixed box of an embodiment of the drainage device for neurosurgery treatment and its use method of the present invention;

[0046] Figure 5 Schematic diagram of the method steps of an embodiment of the drainage device for neurosurgery treatment and its use method of the present invention.

[0047] The figure marks in the drawings of the specification include: 1. bed body; 2. bed board; 3. fixing box; 4. drainage tube; 5. fixing frame; 6. drainage bag; 7. drainage bottle; 8. active connecting rod; 9. slide groove; 10. slider; 11. transmission connecting rod; 12. first driven connecting rod; 13. second driven connecting rod; 14. second connecting rod; 15. lead screw; 16. worm; 17. third connecting rod; 18. knob; 19. adjustment box; 20. magnetic induction block; 21. trigger clip; 22. spring; trigger rod; 23. worm gear. DETAILED DESCRIPTION

[0048] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0049] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0050] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0051] The following is further described in detail through specific implementation methods:

[0052] Example 1:

[0053] As attached Figure 1As shown: a drainage device for neurosurgery treatment, including a drainage tube 4, a drainage bottle 7 and a drainage bag 6, the drainage tube 4 is connected to the ventricle, the drainage bottle 7 and the drainage bag 6 in sequence, and also includes a bed 1 and a bed board 2, the bed board 2 is fixedly connected to one end of the bed 1. Since the existing neurosurgery drainage device mostly relies on manual operation when adjusting the height of the drainage bottle 7, it is difficult to make adaptive adjustments in real time according to the vertical height changes of the connection between the drainage tube 4 and the patient's ventricle, resulting in the height difference between the drainage bottle 7 and the drainage tube 4 cannot be accurately maintained, affecting the drainage effect and treatment safety. Therefore, through this solution, a sensing component for fixing the drainage tube 4 and sensing the vertical height change of the drainage tube 4 is sleeved on the fixed part of the drainage tube 4 near the top of the patient's head. The sensing component The signal of the component is connected to the controller. Specifically, the sensing component includes a fixed box 3 fixedly connected to the bed board 2, the drainage tube 4 passes through the fixed box 3 and is slidably connected to the fixed box 3, and sealing rings are provided at the connection between the two ends of the drainage tube 4 and the fixed box 3. When the drainage tube 4 performs smooth drainage, the sealing ring plays a role in fixing the drainage tube 4 to increase friction, preventing the drainage tube 4 from sliding in the fixed box 3 due to gravity, and the part of the drainage tube 4 located in the fixed box 3 is sleeved with a magnetic induction block 20, which is slidably connected to the inner wall of the fixed box 3. When the vertical height of the drainage tube 4 near the fixed point of the top of the head changes due to factors such as the change in the patient's head position, the drainage tube 4 will slide in the fixed box 3, and then the magnetic induction block 20 will also move accordingly.

[0054] A Hall sensor connected to the controller signal is provided on the top wall of the fixing box 3. The Hall sensor can sense the magnetic field change of the magnetic induction block 20, and convert it into a signal of the vertical height change of the drainage tube 4 and transmit it to the controller.

[0055] The bed board 2 is also provided with a driving assembly and a connecting rod assembly that are fixedly connected to each other. An adjusting assembly is also provided on one side of the bed board 2. The adjusting assembly is used to fix the drainage bottle 7 and the drainage bag 6 respectively, and the adjusting assembly is engaged with the end of the connecting rod assembly away from the driving assembly; the driving assembly is used to dynamically adjust the forward or reverse rotation of the connecting rod assembly based on the vertical height change of the drainage tube 4 collected by the sensing assembly, and the connecting rod assembly is used to adjust the height of the drainage bottle 7 and the drainage bag 6 on the adjusting assembly according to the forward and reverse driving action of the driving assembly, thereby keeping the height difference between the drainage bottle 7 and the drainage tube 4 always equal.

[0056] The driving assembly includes a motor box and a servo motor fixedly connected to the bed board 2. The motor box is located on the back side of the bed board 2. The servo motor is fixedly connected to the inner wall of the motor box. The servo motor is connected to the controller signal. After receiving the signal, the controller controls the servo motor to rotate forward or reverse according to a preset program. The output shaft of the servo motor is coaxially provided with an adsorption assembly. The connecting rod assembly and the servo motor are detachably connected through the adsorption assembly. When the servo motor is fixedly connected to the connecting rod assembly through the adsorption assembly, the rotation of the servo motor output shaft will drive the connecting rod assembly to rotate.

[0057] The connecting rod assembly includes a slider 10, a chute 9, and a four-bar linkage. The chute 9 is provided on the bed board 2, and the slider 10 slides in conjunction with the chute 9. The four-bar linkage is formed by a plurality of hinged connecting rods. This structure can form a natural buffer during movement. When the position of the patient's head changes suddenly, the drainage tube 4 moves rapidly, causing the sensing component to transmit a signal. When the servo motor drives the four-bar linkage based on the transmitted signal, the four-bar linkage can absorb the sudden displacement impact of the drainage tube 4 caused by the patient turning over, adjusting the head of the bed, and other actions through the flexible movement of the connecting rod hinge points. The hinge points between the connecting rods can absorb and disperse the impact of movement, preventing the adjustment component from being subjected to excessive force instantly. In contrast, if the servo motor directly drives the adjustment component, due to the relatively rigid movement of the adjustment component and the lack of a buffer link, it is easy to generate large vibrations and impacts when starting, stopping, or suddenly being subjected to force, which may affect the stability of the drainage tube 4 and even cause discomfort to the patient.

[0058] Specifically, the four-bar linkage includes an active link 8, a transmission link 11, a first driven link 12 and a second driven link 13 which are hinged in sequence head to tail, wherein the center of the transmission link 11 is hinged to the slider 10, and the active link 8 is coaxially fixedly connected to the first link at one end away from the transmission link 11, and the other end of the first link is detachably connected to the servo motor. When the active link 8 rotates, it drives the transmission link 11 to move, and then causes the slider 10 to slide in the slide groove 9. The slider 10 limits the transmission link 11 and drives the first driven link 12 and the second driven link 13 to rotate at the same time. The end of the second driven link 13 away from the first driven link 12 is coaxially fixedly connected to the adjustment component, thereby transmitting the motion to the adjustment component. When the position of the patient's head changes rapidly, the sliding cooperation between the transmission link 11 and the slider 10 of the four-bar linkage can disperse the instantaneous impact force to each link, avoiding the adjustment component (such as the drainage bottle 7) from vibrating violently due to rigid drive, and preventing the drainage tube 4 from being pulled off or the intracranial pressure from changing suddenly. In addition, compared with the trigger mechanism that relies on sensors or complex electronic components, the mechanical structure of the four-bar linkage does not require additional power supply or precision electronic components, reducing the risk of adjustment failure caused by circuit failure or sensor failure. For example, in the event of a power outage, the four-bar linkage can be combined with the servo motor brake to lock the position of the drainage bottle 7, while a purely electronic trigger mechanism may lose control due to power outage.

[0059] The adjustment assembly includes an adjustment box 19, a fixing frame 5, and a worm wheel 23 and a worm 16 that mesh with each other (see attached). Figure 2As shown), the adjustment box 19 is fixedly connected to the bed board 2 on the same side as the motor box, the worm gear 23 and the worm 16 are both located in the adjustment box 19, one end of the worm 16 is fixedly connected to the second connecting rod 14, one end of the second connecting rod 14 passes through the adjustment box 19 and the bed board 2 and is coaxially fixedly connected to the second driven connecting rod 13, so the rotation of the second driven connecting rod 13 will drive the worm 16 to rotate, and the worm 16 will drive the worm gear 23 to rotate, a thread groove is opened in the worm gear 23, and the internal thread of the worm gear 23 is connected to the screw rod 15 (as shown in the attached figure). Figure 3 As shown, both ends of the screw rod 15 pass through the adjustment box 19 and are slidably connected to the adjustment box 19. A limit ring is provided at both ends of the screw rod 15. The fixing frame 5 is fixedly connected to the top of the screw rod 15. The drainage bottle 7 and the drainage bag 6 are both arranged on the fixing frame 5. When the worm gear 23 rotates, the screw rod 15 moves up and down under the action of the thread of the worm gear 23. The limit ring is used to constrain the maximum lifting height and minimum lowering height of the screw rod 15 when the screw rod 15 moves up and down, thereby adjusting the height of the fixing frame 5, that is, adjusting the height of the drainage bottle 7, so that the height difference between the drainage bottle 7 and the drainage tube 4 (the connection point between the patient's ventricle) is always equal, realizing adaptive adjustment of the drainage bottle 7 according to the height difference between the connection point between the drainage tube 4, the patient's ventricle, and the drainage bottle 7. This eliminates the need for frequent manual intervention, improves the intelligence of the drainage device and the stability of the drainage effect, and solves the problem of untimely and inaccurate height adjustment in the prior art.

[0060] Example 2:

[0061] As attached Figure 4 As shown, the difference from Example 1 is that the drainage tube 4 is easily pulled when the patient turns over or tilts his head, causing the drainage tube 4 to fall off. Therefore, when the drainage tube 4 slides in the fixed box 3 due to the change in the position of the patient's head, trigger clips 21 are symmetrically provided on the inner bottom wall of the fixed box 3. The center positions of the trigger clips 21 are hinged to the inner bottom wall of the fixed box 3. A trigger rod is fixedly connected to the bottom of the magnetic induction block 20. When the magnetic induction block 20 is pulled by the drainage tube 4, the trigger rod at the bottom moves accordingly. When the trigger rod contacts the trigger clip 21 on the side closer to the patient's head, the trigger rod squeezes and pushes the trigger clip 21 to rotate around the hinge point with the inner bottom wall of the fixed box 3.

[0062] A clamping claw is fixed to the other end of the top of the trigger clamp 21. When one end of the trigger clamp 21 opens outward due to the squeezing of the trigger rod, the trigger clamp 21 at one end of the clamping claw will gradually rotate inward. At this time, the clamping claw will gradually approach the drainage tube 4 as the trigger clamp 21 rotates inward until the drainage tube 4 is stably clamped and the drainage tube 4 is located between the symmetrically arranged clamping claws.

[0063] Both ends of the trigger clip 21 are fixedly connected to a spring 22, and one end of the spring 22 away from the trigger clip 21 is fixedly connected to the inner wall of the fixing box 3. The springs 22 connected at both ends of the trigger clip 21 will be stretched or compressed when the trigger clip 21 rotates. The elastic force generated by the spring 22 can provide a reset tendency for the trigger clip 21, so that the trigger clip 21 can quickly return to its original position when the height of the drainage tube 4 no longer changes and the trigger rod no longer acts on the trigger clip 21, thereby releasing the clamping of the drainage tube 4 and not affecting the subsequent normal sliding adjustment of the drainage tube 4.

[0064] The inner walls of the clamping claws are fixedly connected with a flexible layer. Due to the existence of the flexible layer on the inner walls of the clamping claws, it can ensure the effective fixation of the drainage tube 4 to prevent it from shaking, and will not cause hard damage to the drainage tube 4, thereby ensuring the smoothness of drainage.

[0065] Example 3:

[0066] As attached Figure 3 As shown, the difference from Example 2 is that when the patient lies on the bed for the first time, the medical staff needs to manually adjust the vertical height between the entrance of the drainage bottle 7 and the patient's ventricular drainage point. Therefore, the other end of the worm 16 is fixedly connected to the third connecting rod 17, and the third connecting rod 17 passes through the adjustment box 19 and is fixedly connected to the knob 18. In addition, the adsorption assembly includes a magnetic ring connected to the output shaft of the servo motor by a key, and an electromagnet connected to the controller signal is provided on the first connecting rod. The controller disconnects the adsorption of the electromagnet and the magnetic ring, so that the connecting rod assembly is in a state not locked by the servo motor. The medical staff directly turns the knob 18, and the knob 18 drives the third connecting rod 17, thereby rotating the worm 16, causing the screw 15 to move up and down, so that the fixing frame 5 and the drainage bottle 7 can be adjusted in height; in the event of power outage or electronic component failure, the controller can also control the electromagnet to cut off power and release the connection with the magnetic ring, which is convenient for manual operation by the medical staff.

[0067] Example 4:

[0068] As attached Figure 5 As shown, the difference from Example 3 is that a method for using a drainage device for neurosurgery treatment, based on a drainage device for neurosurgery treatment, includes the following steps:

[0069] Step 1: Initial calibration: After the patient lies down, disconnect the electromagnet through the controller and manually adjust the height of the fixing frame 5 by turning the knob 18 (see attached). Figure 3 As shown), the vertical height difference between the inlet of the drainage bottle 7 and the patient's ventricular drainage point reaches the clinical set value; at this time, the controller records the magnetic field position of the Hall sensor as the reference height, and the reference height is preferably 10 to 15 cm;

[0070] Step 2, dynamic adjustment: start the electromagnet to attract the magnetic ring through the controller, so that the servo motor is adsorbed and connected to the first connecting rod. When the patient turns over or the angle of the bedside changes, causing the head position to change, the drainage tube 4 moves with the head, and the magnetic induction block 20 slides in the fixed box 3. The Hall sensor detects the height deviation and sends a signal to the controller. The controller calculates the height difference change and sends an instruction to the servo motor: if the drainage tube 4 is raised, the vertical height difference between the inlet of the drainage bottle 7 and the patient's ventricular drainage point is reduced, and the motor rotates forward to drive the four-bar linkage to lift the fixed frame 5; if the drainage tube 4 is lowered, the vertical height difference between the inlet of the drainage bottle 7 and the patient's ventricular drainage point is increased, and the motor reverses to lower the fixed frame 5 until the Hall sensor feedback height difference returns to the set value (as shown in the attached figure). Figure 1 and Figure 2 shown);

[0071] Step 3: Clamp the drainage tube: During the adjustment process, the trigger clip 21 cooperates with the flexible layer through the tension of the spring 22 (see attached Figure 4 As shown), always maintain flexible clamping of the drainage tube 4 to avoid traction damage caused by rigid fixation;

[0072] Step 4, safety protection: When the height deviation exceeds the clinical safety threshold, the controller triggers an audible and visual alarm to prompt medical staff to intervene manually; in the event of a power outage, the servo motor brake locks the position of the screw rod 15 to prevent the fixing frame 5 from sliding freely; it automatically recalibrates after power is restored.

[0073] The specific implementation process is as follows: To compare the differences between the present neurosurgical drainage device and its use method and the existing traditional drainage device use method in terms of drainage effect, height adjustment accuracy, and safety, and to verify the effectiveness and innovation of the new device use method, the following experiments are conducted:

[0074] 1. Experimental Grouping

[0075] 120 patients who required neurosurgical drainage treatment were randomly divided into an experimental group and a control group, with 60 patients in each group. The experimental group used the neurosurgical drainage device and the corresponding usage method, while the control group used a traditional neurosurgical drainage device and the conventional usage method.

[0076] 2. Variable Control

[0077] Patient selection: Ensure that the two groups of patients are comparable in terms of age, gender, disease type, severity of the disease, etc., and exclude other factors that may interfere with the experimental results.

[0078] Operational specifications: All medical staff participating in the experiment were trained uniformly. The medical staff in the experimental group were required to be proficient in the use of this drainage device, while the medical staff in the control group were required to operate according to the standard operating procedures of the traditional drainage device to ensure consistent operating specifications.

[0079] Environmental factors: The experiments were conducted in the same ward environment.

[0080] 3. Observation indicators

[0081] Drainage effect: Observe and record the drainage volume of the two groups of patients during the treatment process to evaluate whether the drainage is smooth.

[0082] Height Adjustment Accuracy: A high-precision height measuring instrument was installed on the drainage device to monitor the vertical height difference between the drainage bottle and the patient's ventricular drainage point in real time. The time it took for the height difference to reach the set value and the adjustment error range during automatic adjustment were recorded in the experimental group. The time and error range for manual height adjustment were also recorded in the control group. The accuracy and timeliness of height adjustment were compared between the two groups.

[0083] Safety: The number of complications (such as drainage tube traction injury, abnormal intracranial pressure due to excessive or insufficient drainage, etc.) that occurred in the two groups of patients during treatment was counted.

[0084] 4. Data Analysis

[0085]

[0086] Conclusion: It can be clearly seen from the above data table that in terms of drainage effect, due to the ability to adaptively adjust the height of the drainage bottle, the height difference between the patient's head drainage point and the drainage bottle is only in the non-reference height for a short time, thereby stabilizing the patient's intracranial pressure. Therefore, the average drainage volume of the experimental group is higher, indicating that the use method of this drainage device can more effectively ensure smooth drainage; in terms of height adjustment accuracy, since the control group needs to be adjusted by medical staff and errors occur in subjective adjustment, the experimental group's immediate response and implementation of adjustment make the average adjustment time significantly shorter than that of the control group, and the average adjustment error is also smaller, reflecting the timeliness and accuracy of the automatic adjustment function; in terms of safety, the number of complications in the experimental group was significantly lower than that in the control group, which fully proves that the use method of this drainage device has higher safety and stability in clinical applications, and shows obvious advantages over traditional drainage devices and methods of use.

[0087] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A drainage device for neurosurgery treatment, comprising a drainage tube (4), a drainage bottle (7) and a drainage bag (6), wherein the drainage tube (4) sequentially connects the cerebral ventricle, the drainage bottle (7) and the drainage bag (6), and further comprising a bed (1) and a bed board (2), wherein the bed board (2) is fixedly connected to one end of the bed (1), characterized in that: The drainage tube (4) is sleeved with a sensing component for fixing the drainage tube (4) and sensing the vertical height change of the drainage tube (4) at a fixed position near the top of the patient's head. The sensing component signal is connected to a controller. A driving component and a connecting rod component that are fixedly connected to each other are also provided on the bed board (2). An adjusting component is also provided on one side of the bed board (2). The adjusting component is used to fix the drainage bottle (7) and the drainage bag (6) respectively. The adjusting component is engaged with an end of the connecting rod component away from the driving component. The driving component is used to dynamically adjust the forward or reverse rotation of the connecting rod component based on the vertical height change of the drainage tube (4) collected by the sensing component. The connecting rod component is used to adjust the height of the drainage bottle (7) and the drainage bag (6) on the adjusting component according to the forward and reverse driving action of the driving component, thereby keeping the height difference between the drainage bottle (7) and the drainage tube (4) always equal. The connecting rod assembly includes a slider (10), a slide groove (9) and a four-bar linkage, wherein the slide groove (9) is provided on the bed plate (2), the slider (10) and the slide groove (9) are slidably matched, and the four-bar linkage includes an active link (8), a transmission link (11), a first driven link (12) and a second driven link (13) which are hinged in sequence head to tail, wherein the center of the transmission link (11) is hinged to the slider (10), the end of the active link (8) away from the transmission link (11) is coaxially fixedly connected to the driving assembly, and the end of the second driven link (13) away from the first driven link (12) is coaxially fixedly connected to the adjusting assembly.

2. The neurosurgery drainage device according to claim 1, characterized in that: The induction component comprises a fixed box (3) fixedly connected to the bed board (2), a drainage tube (4) passing through the fixed box (3) and being slidably connected to the fixed box (3), and a magnetic induction block (20) is sleeved on the portion of the drainage tube (4) located inside the fixed box (3), the magnetic induction block (20) is slidably connected to the inner side wall of the fixed box (3), and a Hall sensor connected to a controller signal is provided on the inner top wall of the fixed box (3).

3. The neurosurgery drainage device according to claim 2, characterized in that: A trigger clamp (21) is symmetrically provided on the inner bottom wall of the fixed box (3), the center position of the trigger clamp (21) is hinged to the inner bottom wall of the fixed box (3), the bottom of the magnetic induction block (20) is fixedly connected to a trigger rod, one end of the top of the trigger clamp (21) is fixedly provided with a clamping claw, both ends of the trigger clamp (21) are fixedly provided with a spring (22), the end of the spring (22) away from the trigger clamp (21) is fixedly provided with the inner wall of the fixed box (3), and the drainage tube (4) is located between the symmetrically provided clamping claws.

4. The neurosurgery drainage device according to claim 3, characterized in that: The inner walls of the clamping claws are fixedly connected with a flexible layer.

5. The neurosurgery drainage device according to claim 4, characterized in that: Sealing rings are provided at the connection points between the two ends of the drainage tube (4) and the fixing box (3).

6. The neurosurgery drainage device according to claim 5, characterized in that: The driving assembly includes a motor box and a servo motor fixedly connected to the bed board (2), the motor box is located on the side of the bed board (2) opposite to the slide groove (9), the servo motor is fixedly connected to the inner wall of the motor box, the servo motor is connected to the controller signal, the output shaft of the servo motor is coaxially provided with an adsorption assembly, the other end of the adsorption assembly is provided with a first connecting rod, the first connecting rod is detachably connected to the servo motor through the adsorption assembly, and the end of the first connecting rod away from the adsorption assembly passes through the bed board (2) and is fixedly connected to the active connecting rod (8).

7. The neurosurgery drainage device according to claim 6, characterized in that: The adjustment component comprises an adjustment box (19), a fixing frame (5), and a worm wheel (23) and a worm (16) meshing with each other. The adjustment box (19) is fixedly connected to the bed board (2) on the same side as the motor box. The worm wheel (23) and the worm (16) are both located in the adjustment box (19). One end of the worm (16) is fixedly connected to the second connecting rod (14). One end of the second connecting rod (14) passes through the adjustment box (19) and the bed board (2) and is coaxially fixedly connected to the second driven connecting rod (13). A thread groove is provided in the worm wheel (23). The internal thread of the worm wheel (23) is connected to a screw rod (15). Both ends of the screw rod (15) pass through the adjustment box (19) and are slidably connected to the adjustment box (19). Both ends of the screw rod (15) are provided with a limiting ring. The fixing frame (5) is fixedly connected to the top of the screw rod (15). The drainage bottle (7) and the drainage bag (6) are both arranged on the fixing frame (5).

8. The drainage device for neurosurgery according to claim 7, wherein the other end of the worm (16) is fixedly connected to a third connecting rod (17), and the third connecting rod (17) passes through the adjustment box (19) and is fixedly connected to a knob (18); The adsorption component includes a magnetic ring key-connected to the output shaft of the servo motor, and the first connecting rod is provided with an electromagnet connected to the controller signal.

9. A method for using a neurosurgery drainage device, based on the neurosurgery drainage device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1, initial calibration: After the patient lies down, the controller disconnects the electromagnet and manually adjusts the height of the fixing frame (5) through the knob (18) so that the vertical height difference between the inlet of the drainage bottle (7) and the patient's ventricular drainage point reaches the clinical set value; at this time, the controller records the magnetic field position of the Hall sensor as the reference height; Step 2, dynamic adjustment: the controller starts the electromagnet to attract the magnetic ring, so that the servo motor is adsorbed and connected to the first connecting rod. When the patient turns over or the angle of the bed head changes, resulting in a change in the position of the head, the drainage tube (4) moves with the head, and the magnetic induction block (20) slides in the fixed box (3). The Hall sensor detects the height deviation and sends a signal to the controller. The controller calculates the height difference change and sends a command to the servo motor: if the drainage tube (4) is raised, the vertical height difference between the inlet of the drainage bottle (7) and the patient's ventricular drainage point is reduced, and the motor rotates forward to drive the four-bar linkage to lift the fixed frame (5); if the drainage tube (4) is lowered, the vertical height difference between the inlet of the drainage bottle (7) and the patient's ventricular drainage point is increased, and the motor rotates reversely to lower the fixed frame (5) until the height difference feedback from the Hall sensor is restored to the set value; Step 3: Clamping the drainage tube: During the adjustment process, the trigger clamp (21) cooperates with the flexible layer through the tension of the spring (22) to always maintain a flexible clamping of the drainage tube (4) to avoid traction damage caused by rigid fixation; Step 4, safety protection: when the height deviation exceeds the clinical safety threshold, the controller triggers an audible and visual alarm to prompt medical staff to intervene manually; when the power is off, the servo motor brake locks the position of the screw rod (15) to prevent the fixing frame (5) from sliding freely; and it automatically recalibrates after power is restored.

10. The method for using the drainage device for neurosurgery according to claim 9, characterized in that: In step 1, the reference height is preferably 10 to 15 cm.

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