Lung intervention auxiliary device based on CT (Computed Tomography) detection

Abstract

The invention relates to a lung intervention auxiliary device based on CT detection, and aims to improve the accuracy, safety and efficiency of a lung intervention operation. The device comprises a control system, a table top, a positioning device, an intervention device and a biopsy device. The positioning device accurately determines the puncture position and angle through a laser transmitter and a body positioner in combination with optical fiber feedback; the intervention device comprises a needle core and a trocar, and is equipped with a negative pressure aspirator to ensure the stability of the operation process; the biopsy device is provided with a sampling tube and a biological glue injector and is used for biopsy and hemostasis plugging. The control system integrates a guide rail motor, a servo motor and a controller and interacts with CT images in real time, automatic operation is achieved, and personal errors are reduced. By means of accurate positioning, multifunctional integration and automatic control, the success rate of the operation is remarkably increased, the risk of postoperative complications is reduced, cross infection is avoided through disposable intervention and biopsy devices, and wide clinical application prospects are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a lung intervention assistance device based on CT detection. Background Art

[0002] In modern medicine, the diagnosis and treatment of lung diseases have always been an important part of clinical work. With the continuous development of medical technology, higher requirements have been put forward for the accuracy, safety, and efficiency of lung intervention surgeries. Traditional lung intervention surgeries mainly rely on doctors' experience and manual operations, and there are many problems, such as inaccurate positioning, high surgical risks, and many postoperative complications. These problems not only affect the success rate of the surgery but may also lead to an extended recovery time for patients and even cause serious postoperative complications.

[0003] In recent years, with the continuous progress of imaging technology, the application of CT (Computed Tomography) technology in lung intervention surgeries has gradually received attention. CT scans can provide high-resolution lung images, helping doctors better understand the location, size, and shape of lesions. However, there are still certain limitations in performing surgical operations relying solely on CT images. Doctors need to continuously adjust the position and angle of the puncture needle during the surgery to ensure accurate arrival at the target site, which not only increases the complexity and risk of the surgery but may also lead to an extended surgical time. Summary of the Invention

[0004] The present invention aims to provide a lung intervention assistance device based on CT detection to solve the problems of inaccurate positioning, high operation risks, and low surgical efficiency in existing lung intervention surgeries.

[0005] To achieve the above object, the present invention provides the following technical solution: A lung intervention assistance device based on CT detection, including a control system, a tabletop, a positioning device, an intervention device, and a biopsy device. A fixed rod is fixedly connected to the bottom end of the tabletop, a base is fixedly connected to the bottom of the fixed rod, and a negative pressure aspirator is arranged at the top of the tabletop.

[0006] Preferably, the positioning device includes a laser emitter and a body locator. A universal ball one is fixedly connected to the rear end of the laser emitter. A guide rail is provided at the front end of the tabletop. A slider one is slidably connected to the guide rail. A connecting rod is rotatably connected to the top end of the slider one. A slide rail is provided on the connecting rod. A slider two is slidably connected to the slide rail. A groove for cooperating with the universal ball one is formed at the front end of the slider two. The body locator includes a cylindrical positioning block and a fixed block. A universal ball two is fixedly connected to the bottom end of the positioning block. A through hole is formed at the top end of the positioning block and penetrates through the universal ball two. An arc-shaped hole for cooperating with the universal ball two is formed in the middle of the fixed block. Rubber blocks are fixedly connected around the fixed block. An adhesive layer is fixedly connected to the bottom end of the rubber block. Optical fiber lines parallel to the diameter line of the through hole are provided on the side surface of the positioning block;

[0007] Preferably, the intervention device includes a needle core. A sleeve needle is sleeved outside the needle core. An installation rod is fixedly connected to the top end side wall of the needle core. An "L"-shaped fixing groove for cooperating with the installation rod is formed at the top end of the sleeve needle. A suction tube is fixedly connected to the top end side wall of the sleeve needle. The suction tube is connected to the negative pressure suction device;

[0008] Preferably, the biopsy device includes a sleeve. A sampling tube is rotatably connected inside the sleeve. Windows are formed on the side wall at the bottom end of the sampling tube. Cutting blades are fixedly connected to the side walls of the windows. The free end of the sampling tube is connected to the negative pressure suction device. A biological glue injector is connected to the free end of the sleeve.

[0009] Preferably, for a lung intervention assistance device based on CT detection according to claim 1, it is characterized in that: a self-locking universal wheel set is fixedly connected to the bottom end of the base.

[0010] Preferably, for a lung intervention assistance device based on CT detection according to claim 3, it is characterized in that: the control system includes a guide rail motor one, a guide rail motor two, a servo motor, a power supply, a switch and a controller. The guide rail motor one and the guide rail motor two are respectively connected to the slide rail and the guide rail. The servo motor is connected to the universal ball one. The guide rail motor one, the guide rail motor two, the servo motor, the power supply, the switch, the laser emitter, the negative pressure suction device, the biological glue injector and the controller are electrically connected.

[0011] Preferably, for a lung intervention assistance device based on CT detection according to claim 1, it is characterized in that: a chamfer is formed at the bottom end of the sleeve needle.

[0012] Preferably, for a lung intervention assistance device based on CT detection according to claim 1, it is characterized in that: scale marks are provided outside the sleeve needle.

[0013] The principle and beneficial effects of this technical solution:

[0014] This technical solution integrates a control system, a positioning device, an intervention device, and a biopsy device, and combines CT imaging technology to achieve precise positioning, multi-functional operation, and safety guarantee in pulmonary intervention surgery. Its principle is to use a laser emitter and a body locator to work together, combined with a universal ball and a fiber optic feedback mechanism to accurately determine the puncture position and angle. At the same time, through auxiliary devices such as a negative pressure aspirator and a bioadhesive injector, the stability and safety of the surgical process are ensured.

[0015] The positioning device ensures that the intervention needle can accurately puncture along the through-hole of the locator by multi-dimensional angle adjustment of the laser emitter and precise fitting of the body locator, combined with fiber optic light emission feedback, significantly improving the success rate and safety of the surgery. The designs of the intervention device and the biopsy device reflect multi-functionality, capable of performing operations such as biopsy and inserting a positioning needle, and can also achieve rapid hemostasis and air leakage sealing through negative pressure aspiration and bioadhesive injection, reducing the risk of postoperative complications.

[0016] The control system realizes precise movement and angle adjustment of the laser emitter through the coordinated work of a guide rail motor, a servo motor, and a controller. At the same time, the system interacts with the CT image in real time, automatically completing positioning and intervention operations, reducing human error, and improving surgical efficiency.

[0017] This technical solution improves puncture accuracy through precise positioning, reducing surgical risks and postoperative complications caused by inaccurate positioning. The disposable intervention and biopsy devices avoid cross-infection and improve the safety of the surgery. The highly integrated automated control system enhances the intelligent level of the surgery, reduces human operation error, and improves surgical efficiency. Brief Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a pulmonary intervention assistance device based on CT detection provided by an embodiment of the present invention;

[0019] Figure 2 It is a schematic structural diagram of position A of a pulmonary intervention assistance device based on CT detection provided by an embodiment of the present invention;

[0020] Figure 3 It is a schematic structural diagram of the body locator of a pulmonary intervention assistance device based on CT detection provided by an embodiment of the present invention;

[0021] Figure 4 It is a schematic structural diagram of the intervention device of a pulmonary intervention assistance device based on CT detection provided by an embodiment of the present invention;

[0022] Figure 5 It is a schematic structural diagram of the biopsy device of a pulmonary intervention assistance device based on CT detection provided by an embodiment of the present invention;

[0023] In the figure: 1, tabletop; 2, fixed rod; 3, base; 4, negative pressure aspirator; 5, laser emitter; 6, universal ball one; 7, guide rail; 8, slider one; 9, connecting rod; 10, slide rail; 11, slider two; 12, positioning block; 13, fixing block; 14, universal ball two; 15, rubber block; 16, glue layer; 17, optical fiber cable; 18, needle core; 19, cannula needle; 20, mounting rod; 21, fixing groove; 22, suction tube; 23, universal wheel set; 24, sleeve; 25, sampling tube; 26, window; 27, cutting blade; 28, bioadhesive injector. Detailed implementation mode

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and the implementation mode:

[0025] Embodiment:

[0026] As Figures 1 - 5 shown, a lung intervention assistance device based on CT detection mainly consists of four major modules: a tabletop 1, a positioning device, an intervention device, and a biopsy device. Each module works in coordination to achieve precise lung intervention operations.

[0027] 1. Tabletop

[0028] The tabletop 1 is the bearing platform of the entire device. A fixed rod 2 is fixedly connected to its bottom, the bottom of the fixed rod 2 is connected to a base 3, and a self-locking universal wheel set 23 is installed at the bottom end of the base 3. The design of the universal wheels facilitates the flexible movement of the device in the operating room, quickly reaching the designated position, and being able to move it away after positioning to avoid interfering with the doctor's subsequent surgery; the self-locking function ensures the stability of the device during the surgery and prevents accidental movement from interfering with the surgery. A negative pressure aspirator 4 is provided at the top of the tabletop 1, which is connected to the intervention device and the biopsy device through pipelines, providing power support for the negative pressure aspiration operation during the surgery to ensure the cleanliness of the surgical area and the stability of the lung tissue.

[0029] 2. Positioning device

[0030] The positioning device is the core part of the device, and its accuracy directly affects the success rate of the surgery. The positioning device includes a laser emitter 5 and a body locator.

[0031] A universal ball one 6 is fixedly connected to the rear end of the laser emitter 5, which can be flexibly adjusted in angle to adapt to the body shapes and surgical requirements of different patients. A guide rail 7 is provided at the front end of the tabletop 1, a slider one 8 is slidably connected to the guide rail 7, a connecting rod 9 is rotatably connected to the top of the slider one 8, a slide rail 10 is provided on the connecting rod 9, a slider two 11 is slidably connected to the slide rail 10, and a groove matching with the universal ball one 6 is provided at the front end of the slider two 11. This structural design enables the laser emitter 5 to move back and forth on the guide rail 7 and achieve multi-dimensional angle adjustment through the cooperation of the universal ball one 6 and the slider.

[0032] The body locator is composed of a cylindrical positioning block 12 and a fixing block 13. At the bottom end of the positioning block 12, a universal ball two 14 is fixedly connected. A through hole is opened at the top end, and the through hole penetrates the universal ball two 14. An arc-shaped hole matching the universal ball two 14 is opened in the middle of the fixing block 13. Rubber blocks 15 are fixedly connected around it. At the bottom end of the rubber block 15, an adhesive layer 16 made of medical-grade silicone is fixedly connected, which has good biocompatibility and adhesiveness and can be firmly attached to the patient's skin. A fiber optic line 17 parallel to the diameter line of the through hole is arranged on the side of the positioning block 12. When the angle of the locator is adjusted in place and is consistent with the laser angle, the optical fiber will emit light, providing intuitive feedback for the operator.

[0033] Before the operation, the needle insertion position of the patient is determined based on the pre-scanned CT image. The body locator is pasted at the needle insertion position, and the laser emitter 5 is adjusted to move to the corresponding position and calibrated. A laser beam parallel to the body cross-section is emitted, and then the laser angle is adjusted according to the angle of the CT during pre-scanning, providing precise guidance for subsequent interventional operations. After the position is confirmed, the laser emitter 5 is turned off and retracted to a position that does not affect the operation. During the operation, the interventional needle passes through the through hole of the locator to ensure the absolute accuracy of the puncture position, significantly improving the success rate and safety of the operation.

[0034] 3. Interventional device

[0035] The interventional device is a key component for realizing the puncture operation, including two parts: a needle core 18 and a cannula 19. The needle core 18 is sleeved with the cannula 19. A chamfer is opened at the bottom end of the cannula 19 to facilitate the smooth transition from the needle core 18 to the cannula 19 during insertion, ensuring that the cannula 19 can smoothly enter the patient's body. Scale markings are arranged outside the cannula 19, providing a reference for medical staff on the entry depth.

[0036] An installation rod 20 is fixedly connected to the top end of the side wall of the needle core 18. An "L"-shaped fixing groove 21 matching the installation rod 20 is opened at the top end of the cannula 19. This connection method makes the needle core 18 and the cannula 19 closely cooperate, facilitating the operator to install and disassemble. A suction tube 22 is fixedly connected to the top end side wall of the cannula 19. The suction tube 22 is connected to the negative pressure aspirator 4. During the operation, when the needle core 18 is withdrawn, the suction tube 22 performs negative pressure suction under the action of the negative pressure aspirator 4, ensuring lung inflation and relative position fixation, creating good conditions for subsequent treatment operations. In addition, the design of the suction tube 22 also allows different devices to enter, such as inserting positioning needles, radioactive seeds, radiofrequency ablation, etc., greatly expanding the application scope of this device and meeting the needs of various pulmonary interventional surgeries.

[0037] 4. Biopsy device

[0038] The biopsy device is mainly used to complete treatment operations such as biopsy and occlusion, and includes two parts: a cannula 24 and a sampling tube 25. The sampling tube 25 is rotatably connected inside the cannula 24. A window 26 is opened at the bottom end of the side wall of the sampling tube 25. A cutting blade 27 is fixedly connected to the side wall of the window 26. The free end of the sampling tube 25 is connected to a negative pressure aspirator 4. During the biopsy, keeping the position of the trocar 19 unchanged, the stylet 18 of the intervention device is removed, inserted into the biopsy device and moved to the lesion site. The negative pressure aspirator 4 sucks the surrounding tissues into the window 26, and the sampling tube 25 rotates to form a rotational cutting to complete the sampling. The cut tissue is sucked into the window 26. After removing the biopsy device, the specimen can be taken out from the window 26 to complete the biopsy operation. This design improves the biopsy efficiency and accuracy, and at the same time reduces the damage to the surrounding tissues.

[0039] The free end of the cannula 24 is connected with a bioadhesive injector 28, which is used to inject bioadhesive along the cannula 24 for occlusion treatment when bleeding or air leakage problems occur during the operation. The bioadhesive has good biocompatibility and rapid coagulability, can effectively stop bleeding and seal the air leakage point in a short time, and reduce the surgical risk and the incidence of postoperative complications.

[0040] 5. Control System

[0041] The control system consists of a guide rail 7 motor one, a guide rail 7 motor two, a servo motor, a power supply, a switch, and a controller. Among them, the guide rail 7 motor one and the guide rail 7 motor two are respectively connected to the slide rail 10 and the guide rail 7, and are used to drive the two sliders to move horizontally; the servo motor is connected to the universal ball one 6 and is used to achieve precise angular adjustment of the laser emitter 5 in three-dimensional space. The guide rail 7 motor one, the guide rail 7 motor two, the servo motor, the power supply, the switch, the laser emitter 5, the negative pressure aspirator 4, and the bioadhesive injector 28 are all electrically connected to the controller to form an efficient and coordinated automatic control system.

[0042] During the operation, the controller obtains the needle insertion position and angle information of the patient through real-time interaction with the CT imaging system. Based on these data, the controller can automatically control the movements of the guide rail 7 motor one, the guide rail 7 motor two, and the servo motor, and accurately move the laser emitter 5 to the preset position and emit a laser beam to provide precise guidance for the intervention operation. In addition, the controller can also coordinate the work of the negative pressure aspirator 4 and the bioadhesive injector 28 according to the surgical requirements to realize the automation and intelligence of the surgical process.

[0043] Through this highly integrated control system, the present invention can significantly improve the accuracy and safety of pulmonary intervention surgery, reduce human errors, improve the surgical efficiency, and provide strong technical support for clinical applications.

[0044] The specific implementation process is as follows:

[0045] 1. Preoperative preparation: The patient lies on the CT table, and the subsequent surgery can be directly performed on the table. A grid-shaped positioning fence is pasted at the corresponding position of the patient's lungs. The positioning fence appears black in the CT image. Medical staff can determine the needle insertion position of the patient based on the pre-scanned CT image combined with the positioning fence. The entire device is moved to the approximate position. After adjusting the position of the laser emitter 5 through two guide rail 7 motors, a laser beam parallel to the body cross-section is emitted for calibration, and the laser angle is adjusted according to the needle insertion angle confirmed during pre-scanning to ensure that the laser beam can accurately point to the predetermined puncture point.

[0046] 2. Positioning operation: The adhesive layer 16 of the body locator is pasted on the confirmed needle insertion position on the patient's skin. The angle of the locator is adjusted through the universal ball two 14 to make it consistent with the laser angle. When the angles of the two are the same, the optical fiber will emit light, indicating that the positioning is completed. At this time, the intervention needle passes through the through-hole of the locator, which can ensure the absolute accuracy of the puncture position.

[0047] 3. Intervention operation: The needle core 18 of the intervention device is inserted into the trocar 19, and the two are tightly connected through the mounting rod 20 and the "L"-shaped fixing groove 21. The intervention needle is slowly inserted into the patient's body along the through-hole of the locator. After reaching the predetermined position, the needle core 18 is withdrawn, and the suction tube 22 performs negative pressure suction under the action of the negative pressure aspirator 4 to ensure lung inflation and relative position fixation. At this time, according to the surgical requirements, different devices can enter through the suction tube 22, such as conventional placement of positioning needles, placement of radioactive seeds, radiofrequency ablation, etc.

[0048] 4. Treatment operation: When a biopsy is required, the biopsy needle of the biopsy device is inserted into the trocar 19. After reaching the predetermined position, the sampling tube 25 rotates to form a rotary cutting. Under the action of negative pressure, it is ensured that the surrounding tissue is sucked into the window 26 and cut off by rotary cutting, and the specimen is taken out to complete the biopsy operation. If bleeding or air leakage problems occur during the operation, biological glue can be injected along the cannula 24 for sealing treatment. The biological glue solidifies in a short time, effectively stopping bleeding and sealing the air leakage point to ensure the smooth progress of the operation.

[0049] 5. Postoperative treatment: After the operation is completed, the intervention device and the biopsy device are removed from the patient's body. Since both the intervention device and the biopsy device are for single use, cross-infection can be avoided. Medical staff conduct postoperative observation and care for the patient to ensure the safe recovery of the patient.

[0050] In summary, the lung intervention assistance device based on CT detection combines advanced imaging technology, mechanical design, and biomaterials to achieve precise lung intervention surgery operations. Its advantages such as precise positioning, multi-functional integration, high safety, and convenient operation make it have broad development prospects in clinical applications. In the future, with the continuous progress and innovation of technology, this device is expected to be further optimized and improved, providing more powerful support for the diagnosis and treatment of lung diseases and safeguarding the health of patients.

[0051] The above are only embodiments of the present invention, and specific technical solutions or common knowledge such as characteristics well known in the art are not described in detail herein. For those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be subject to the content of its claims, and the specific implementation manners described in the specification can be used to interpret the content of the claims.

Claims

1. A lung intervention assistance device based on CT detection, characterized in that: It includes a control system, a tabletop (1), a positioning device, an intervention device, and a biopsy device. A fixed rod (2) is fixedly connected to the bottom end of the tabletop (1), and a base (3) is fixedly connected to the bottom of the fixed rod (2). A negative pressure aspirator (4) is arranged at the top end of the tabletop (1). The positioning device includes a laser emitter (5) and a body locator. A universal ball one (6) is fixedly connected to the rear end of the laser emitter (5). A guide rail (7) is arranged at the front end of the tabletop (1). A slider one (8) is slidably connected to the guide rail (7). A connecting rod (9) is rotatably connected to the top end of the slider one (8). A slide rail (10) is arranged on the connecting rod (9). A slider two (11) is slidably connected to the slide rail (10). A groove for cooperating with the universal ball one (6) is formed at the front end of the slider two (11). The body locator includes a cylindrical positioning block (12) and a fixed block (13). A universal ball two (14) is fixedly connected to the bottom end of the positioning block (12). A through hole is formed at the top end of the positioning block (12), and the through hole penetrates the universal ball two (14). An arc-shaped hole for cooperating with the universal ball two (14) is formed in the middle of the fixed block (13). Rubber blocks (15) are fixedly connected around the fixed block (13). An adhesive layer (16) is fixedly connected to the bottom end of the rubber block (15). An optical fiber line (17) parallel to the through hole diameter is arranged on the side of the positioning block (12); The intervention device includes a needle core (18), and a sleeve needle (19) is sleeved outside the needle core (18). An installation rod (20) is fixedly connected to the top end side wall of the needle core (18). An "L"-shaped fixing groove (21) for cooperating with the installation rod (20) is formed at the top end of the sleeve needle (19). A suction tube (22) is fixedly connected to the top end side wall of the sleeve needle (19), and the suction tube (22) is connected to the negative pressure aspirator (4); The biopsy device includes a sleeve (24), and a sampling tube (25) is rotatably connected inside the sleeve (24). A window (26) is formed in the bottom end side wall of the sampling tube (25), and a cutting blade (27) is fixedly connected to the side wall of the window (26). The free end of the sampling tube (25) is connected to the negative pressure aspirator (4), and a bioadhesive injector (28) is connected to the free end of the sleeve (24).

2. The pulmonary intervention assistance device based on CT detection according to claim 1, wherein: A self-locking universal wheel set (23) is fixedly connected to the bottom end of the base (3).

3. The lung intervention assistance device based on CT detection according to claim 3, wherein: The control system includes a guide rail (7) motor one, a guide rail (7) motor two, a servo motor, a power supply, a switch, and a controller. The guide rail (7) motor one and the guide rail (7) motor two are respectively connected to the slide rail (10) and the guide rail (7). The servo motor is connected to the universal ball one (6). The guide rail (7) motor one, the guide rail (7) motor two, the servo motor, the power supply, the switch, the laser emitter (5), the negative pressure aspirator (4), the bioadhesive injector (28), and the controller are electrically connected.

4. A lung intervention assistance device based on CT detection according to claim 1, characterized in that: A chamfer is formed at the bottom end of the sleeve needle (19).

5. A lung intervention assistance device based on CT detection according to claim 1, characterized in that: Scale marks are arranged outside the sleeve needle (19).

Images