Tumor minimally invasive treatment device

Abstract

The invention provides a tumor minimally invasive treatment device, and belongs to the technical field of medical treatment. Comprising a bed body, a displacement mechanism is fixedly installed at the position, located on the inner sides of supporting legs, of the bottom of the bed body, a supporting arm is fixedly installed on the displacement mechanism, and a treatment mechanism is fixedly installed at the top of the supporting arm. On the basis of position adjustment, the treatment mechanism can finely adjust the puncture angle of the nanometer knife, a fourth motor is started to drive an adjusting wheel to rotate in a side arm, the adjusting wheel drives a third air cylinder to rotate around a shaft through a mechanical structure, the telescopic direction of a telescopic rod is changed, and the puncture angle of the nanometer knife is adjusted; the third air cylinder is started to push the nanometer knife to conduct puncture treatment, in the treatment process, the angles, the heights, the positions and the directions of all the treatment assemblies can be independently adjusted, different patients can be flexibly treated, multi-dimensional puncture is achieved, the nanometer knife evenly acts on all positions of the tumor, and the treatment effect is improved to the maximum extent.

Description

Technical Field

[0001] The present invention relates to the field of medical technology, and more particularly to a minimally invasive tumor treatment device. Background Art

[0002] In the field of tumor treatment, minimally invasive nano-knife puncture treatment of tumors, as a new treatment method, shows unique advantages. This technology guides the nano-knife electrode needle through the skin into the tumor tissue under the guidance of imaging devices such as ultrasound and CT, releases high-voltage pulsed electric fields, forms nano-scale perforations on the tumor cell membrane, destroys intracellular homeostasis, and induces apoptosis of tumor cells. It has the advantages of small trauma, high precision, and little thermal damage to surrounding tissues, and is widely used in the treatment of various solid tumors such as the liver, pancreas, and kidney.

[0003] Given that tumors usually have a certain volume and irregular shapes, the electric field range generated by a single nano-knife electrode needle is difficult to completely cover the entire tumor tissue. To ensure that all tumor cells can be subjected to an electric field of sufficient intensity, improve the treatment effect, induce apoptosis of all tumor cells, and reduce tumor recurrence, in clinical practice, multiple nano-knife electrode needles are usually required to puncture the tumor from different directions. By forming a more uniform and extensive electric field inside the tumor through multiple electrode needles, the effectiveness of treatment can be significantly improved.

[0004] However, the existing minimally invasive nano-knife treatment devices have obvious limitations. Most existing devices can only support the treatment with a single nano-knife and cannot meet the requirements of multi-electrode collaborative treatment. Even if some devices can operate two nano-knives, they lack the function of independently adjusting the positions of each nano-knife, making it difficult to perform precise puncture treatment on tumors from different directions and positions. This makes it impossible for existing devices to fully utilize the advantages of nano-knife puncture treatment when facing tumors with complex shapes and positions, greatly limiting the improvement of treatment effects and the expansion of clinical applications. There is an urgent need to develop a new type of treatment device to overcome these defects. Summary of the Invention

[0005] Aiming at the problem in the prior art that multiple nano-knives cannot be independently operated for multi-directional puncture treatment, the purpose of the present invention is to provide a minimally invasive tumor treatment device.

[0006] To solve the above problems, the present invention adopts the following technical solutions:

[0007] A minimally invasive tumor treatment device includes a bed body. A displacement mechanism is fixedly installed inside the support legs at the bottom of the bed body. A support arm is fixedly installed on the displacement mechanism, and a treatment mechanism is fixedly installed at the top of the support arm.

[0008] The treatment mechanism includes an adjustment component, which is fixedly installed at the top of the support arm. A suspension frame is fixedly installed at the bottom of the adjustment component. An annular track is fixedly installed on the outer side of the suspension frame. Displacement components are movably installed at equal intervals on the outer side of the annular track. A longitudinal movement component is fixedly connected to the outer side of the displacement component. A treatment component is fixedly installed on one side of the longitudinal movement component.

[0009] Optionally, the displacement mechanism includes a groove body and a sliding groove. The groove body is opened at one end of the bottom of the bed body. A first motor is fixedly connected inside the groove body. The output end of the first motor is fixedly connected to a first lead screw. A connecting rod is threadedly connected to the outer surface of the first lead screw. The sliding groove is opened on one side of the bed body. A slider is slidably connected inside the sliding groove. A connecting arm is fixedly connected to the outer side of the slider. The top of the connecting arm is fixedly connected to the bottom of the support arm. The bottom of the connecting arm is fixedly connected to the outer end of the connecting rod.

[0010] Optionally, a support fixing plate is fixedly installed on the side of the bottom of the bed body away from the groove body. The end of the first lead screw is rotatably connected to the support fixing plate.

[0011] Optionally, the adjustment component includes a top seat. A frame body is fixedly installed on one side of the top seat. A sliding plate is slidably connected inside the frame body. A first cylinder is fixedly connected to the outer side of the top seat. The output end of the first cylinder is fixedly connected to one side of the sliding plate. A second cylinder is fixedly connected to the top of the sliding plate. The bottom output end of the second cylinder passes through the sliding plate and is fixedly connected to the top of the suspension frame.

[0012] Optionally, the displacement component includes a toothed ring and a sliding block. The sliding block is slidably connected inside the annular track. The toothed ring is fixedly connected to the bottom of the annular track. A side frame is installed on the outer side of the sliding block. A second motor is fixedly connected to the top of the side frame. The output end of the second motor passes through the side frame and is fixedly connected to a first gear. The first gear is meshed with the toothed ring. The outer side of the side frame is connected to the longitudinal movement component.

[0013] Optionally, the longitudinal movement component includes a connecting rod, an electric push rod, and a vertical track. A second gear is fixedly connected to the upper end of the vertical track. The second gear is rotatably connected to the outer side of the side frame. The electric push rod is fixedly installed on the outer side of the top of the side frame. The output end of the electric push rod is in contact with the outer surface of the second gear. The connecting rod is L-shaped. A rack is fixedly connected to the outer end of the connecting rod. The rack is meshed with the second gear. A third motor is fixedly connected to the top of the vertical track. The output end of the third motor passes through the vertical track and is fixedly connected to a second lead screw. The second lead screw is rotatably connected inside the vertical track. A displacement block is threadedly connected to the outer surface of the second lead screw. One side of the displacement block is connected to the treatment component.

[0014] Optionally, the cross-sectional shapes of the sliding block and the slider are both set to a convex shape, and the cross-sectional shapes of the inner cavities of the sliding groove and the annular rail are also both set to a convex shape. A pillow is placed on one side of the top of the bed body close to the first motor.

[0015] Optionally, the longitudinal movement assembly includes a vertical rail, the vertical rail is fixedly connected to the outside of the side frame, a third motor is fixedly connected to the top of the vertical rail, the output end of the third motor penetrates through the vertical rail and is fixedly connected to a second lead screw, the second lead screw is rotatably connected to the inside of the vertical rail, a displacement block is threadedly connected to the outer surface of the second lead screw, and one side of the displacement block is connected to the treatment assembly.

[0016] Optionally, support legs are fixedly installed at the four corners of the bottom of the bed body, and support frames are fixedly installed at the bottoms of the support legs.

[0017] Optionally, the treatment assembly includes a side arm, the side arm is fixedly connected to one side of the displacement block, a fourth motor is fixedly connected to the outside of the side arm, the output end of the fourth motor penetrates through the side arm and is fixedly connected to an adjusting wheel, the adjusting wheel is rotatably connected between the inner sides of the side arm, a third cylinder is fixedly connected to the middle of the adjusting wheel, and the output end of the third cylinder penetrates through the adjusting wheel and a nano knife is installed.

[0018] Optionally, a sleeve is fixedly installed at the output end of the third cylinder, an insertion block is installed inside the sleeve through screws, and the end of the insertion block is connected to the nano knife.

[0019] The technical solution provided by the present invention has at least the following beneficial effects compared with the prior art:

[0020] In the above solution, the device can improve the treatment accuracy through the coordinated work of the treatment mechanism and the displacement mechanism. During treatment, the patient lies on the bed body, and with the help of positioning guidance by hospital imaging equipment such as ultrasound and CT, the first motor is started, and its output shaft drives the first lead screw to rotate. The lead screw drives the connecting rod through the thread pair, and pushes the slider to slide linearly in the sliding groove. The slider drives the support arm at the top of the connecting arm to move horizontally, and then drives the treatment mechanism to move horizontally. After reaching above the tumor position, the first cylinder is started to push the sliding plate to slide in the frame to complete the horizontal position fine adjustment. Then the second cylinder is started to push the entire treatment mechanism to move down to prepare for treatment. Through the cooperation of the two, the treatment mechanism can be adjusted in the horizontal, vertical and height directions to meet the treatment needs of different patients.

[0021] After the displacement mechanism and adjustment component complete the initial positioning, the treatment mechanism plays a key role. The second motor is started, which drives the first gear to rotate, meshing with the gear ring to rotate the gear ring, and then drives the sliding block to perform circular motion within the annular track, so that the nano knife moves around the patient's affected area in a circular manner, flexibly adjusting the positions of multiple nano knives to adapt to irregular tumor puncture. At the same time, the third motor is started to drive the second screw to rotate on the vertical track. The screw moves the displacement block downward through the threaded pair, pushing the treatment component down, adjusting the height of the nano knife, and optimizing its position, providing more possibilities for precise puncture.

[0022] On the basis of position adjustment, the treatment mechanism can also fine-tune the nanoknife puncture angle. The fourth motor is started, which drives the adjustment wheel to rotate in the side arm. The adjustment wheel drives the third cylinder to rotate around the axis through the mechanical structure, changing the extension direction of the telescopic rod and adjusting the nanoknife puncture angle. After all adjustments are completed, the third cylinder is started to promote the nanoknife puncture treatment. During the treatment process, each treatment component can independently adjust the angle, height, position and direction, which can flexibly respond to different patients and achieve multi-dimensional puncture, allowing the nanoknife to act evenly on all parts of the tumor and maximize the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable one skilled in the art to make and use the invention.

[0024] Figure 1 Schematic diagram of the three-dimensional structure of the first embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the rear structure of the first embodiment of the present invention;

[0026] Figure 3 This is a bottom-view structural diagram of the first embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of a treatment mechanism according to the first embodiment of the present invention;

[0028] Figure 5 This is a schematic top view of the structure of the annular rail, displacement assembly, longitudinal movement assembly and treatment assembly according to the first embodiment of the present invention;

[0029] Figure 6 This is a bottom-up structural diagram of the annular rail, displacement assembly, longitudinal movement assembly, and treatment assembly according to the first embodiment of the present invention;

[0030] Figure 7 This is a bottom view of the longitudinal movement assembly and treatment assembly according to the first embodiment of the present invention;

[0031] Figure 8Schematic top view structure diagram of the longitudinal movement component and the treatment component in the first embodiment of the present invention;

[0032] Figure 9 Schematic structure diagram of the longitudinal movement component in the second embodiment of the present invention;

[0033] Figure 10 is Figure 9 Enlarged structure diagram at position A of

[0034] [Reference numerals]

[0035] 1. Bed body;

[0036] 2. Displacement mechanism; 21. Groove body; 22. Slide groove; 23. First motor; 24. First lead screw; 25. Connecting rod; 26. Slide block; 27. Connecting arm; 28. Support fixing plate;

[0037] 3. Treatment mechanism;

[0038] 31. Adjustment component; 311. Top seat; 312. Frame body; 313. First cylinder; 314. Second cylinder; 315. Slide plate;

[0039] 32. Suspension frame; 33. Ring-shaped track;

[0040] 34. Displacement component; 341. Tooth ring; 342. Slide block; 343. Side frame; 344. Second motor; 345. First gear;

[0041] 35. Longitudinal movement component; 351. Vertical track; 352. Third motor; 353. Second lead screw; 354. Displacement block; 355. Connecting rod; 356. Electric push rod; 357. Straight rack; 358. Second gear;

[0042] 36. Treatment component; 361. Side arm; 362. Fourth motor; 363. Adjusting wheel; 364. Third cylinder; 365. Nano knife; 366. Sleeve; 367. Insert block;

[0043] 4. Support arm; 5. Pillow; 6. Support leg; 7. Support frame.

[0044] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. Those of ordinary skill in the art can adjust or modify these devices and environments according to specific needs. Detailed implementation manners

[0045] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments, and are not intended to specifically limit the present invention.

[0046] It should be noted that in the specification, references to "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", etc. indicate that the described embodiment may include a specific feature, structure, or characteristic, but not necessarily every embodiment includes that specific feature, structure, or characteristic. Additionally, when combining embodiments to describe a specific feature, structure, or characteristic, implementing such feature, structure, or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0047] Generally, terms can be understood at least in part from their use in context. For example, at least in part depending on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or can be used to describe a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather can alternatively, at least in part depending on the context, allow for the existence of other factors that are not necessarily explicitly described.

[0048] It can be understood that the meanings of "on...", "above...", and "over..." in the present invention should be interpreted in the broadest manner, such that "on..." not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above..." or "over..." not only means "above" or "over" something, but also can include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0049] In addition, spatial relative terms such as "under...", "below...", "lower", "above...", "upper", etc. may be used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the accompanying drawings. Spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the drawings. The device may be oriented in other ways, and the spatial relative descriptive terms used herein may be similarly interpreted accordingly.

[0050] Embodiment 1

[0051] As Figures 1 to 8As shown in the figure, an embodiment of the present invention provides a minimally invasive tumor treatment device, including a bed body 1. Inside the inner side of the support legs 6 at the bottom of the bed body 1, a displacement mechanism 2 is fixedly installed. A support arm 4 is fixedly installed on the displacement mechanism 2, and a treatment mechanism 3 is fixedly installed at the top of the support arm 4.

[0052] The treatment mechanism 3 includes an adjustment component 31. The adjustment component 31 is fixedly installed at the top of the support arm 4. The bottom of the adjustment component 31 is fixedly installed with a suspension frame 32. The outer side of the suspension frame 32 is fixedly installed with an annular rail 33. The outer side of the annular rail 33 is equally spaced and movably installed with a displacement component 34. The outer side of the displacement component 34 is fixedly connected with a longitudinal movement component 35. One side of the longitudinal movement component 35 is fixedly installed with a treatment component 36. When this minimally invasive tumor treatment device works, the patient first lies on the bed body 1. The displacement mechanism 2 is started to drive the support arm 4 to adjust its position, and the treatment mechanism 3 is moved to a suitable position above the tumor site of the patient. Then, the adjustment component 31 starts to work, and the overall angle and position of the treatment mechanism 3 are initially calibrated through the internal mechanical structure. Subsequently, the displacement component 34 moves on the annular rail 33. Using its connection structure with the annular rail 33, it can perform a circular motion along the track of the annular rail 33, thereby adjusting its own position in the horizontal direction, and then driving the longitudinal movement component 35 and the treatment component 36 to move horizontally, so as to approach the tumor from different horizontal positions. The longitudinal movement component 35 realizes the vertical displacement of the treatment component 36 through its own driving device, such as a motor driving a lead screw, etc., and adjusts the vertical distance, that is, the height, between the treatment component 36 and the tumor. When the position and height are both adjusted in place, the treatment component 36 is started to perform minimally invasive treatment operations on the tumor. The whole process is closely coordinated to achieve precise treatment of the tumor.

[0053] Such as Figures 1 to 4As shown, the displacement mechanism 2 includes a trough 21 and a sliding groove 22. The trough 21 is provided at one end of the bottom of the bed body 1. A first motor 23 is fixedly connected inside the trough 21. The output end of the first motor 23 is fixedly connected to a first lead screw 24. A connecting rod 25 is threadedly connected to the outer surface of the first lead screw 24. The sliding groove 22 is provided on one side of the bed body 1. A slider 26 is slidably connected inside the sliding groove 22. A connecting arm 27 is fixedly connected to the outer side of the slider 26. The top of the connecting arm 27 is fixedly connected to the bottom of the support arm 4, and the bottom of the connecting arm 27 is fixedly connected to the outer end of the connecting rod 25. A support plate 28 is fixedly installed on the bottom of the bed body 1 on the side away from the trough 21. The end of the first lead screw 24 is rotatably connected to the support plate 28. When the displacement mechanism 2 works, first start the first motor 23 fixed inside the bed body 1. The output end of the first motor 23 drives the first lead screw 24 to rotate. Since the first lead screw 24 and the connecting rod 25 are connected by a thread pair, the rotation of the lead screw drives the connecting rod 25 to move axially. The outer end of the connecting rod 25 is fixedly connected to the bottom of the connecting arm 27. As the connecting rod 25 moves, the connecting arm 27 also moves accordingly. The slider 26 on the outer side of the connecting arm 27 slides in the sliding groove 22 provided on one side of the bed body 1, providing guidance and support for the movement of the connecting arm 27 to ensure its stable movement. The top of the connecting arm 27 is also fixedly connected to the bottom of the support arm 4. The movement of the connecting arm 27 drives the support arm 4 to adjust its position, and then drives the treatment mechanism 3 installed on the top of the support arm 4 to move. The end of the first lead screw 24 is rotatably connected to the support plate 28 fixed on the bottom of the bed body 1 on the side away from the trough 21, providing stable support for the first lead screw 24, keeping the first lead screw 24 stable during rotation, ensuring the continuous and stable operation of the displacement mechanism 2, and realizing the precise displacement of the treatment mechanism 3 in the horizontal direction to align with the tumor site of the patient.

[0054] As Figures 1 to 7As shown, the adjustment assembly 31 includes a top seat 311. The bottom end of the top seat 311 is connected to the support arm 4. A frame 312 is fixedly installed on one side of the top seat 311. A slide plate 315 is slidably connected inside the frame 312. A first cylinder 313 is fixedly connected to the outside of the top seat 311. The output end of the first cylinder 313 is fixedly connected to one side of the slide plate 315. A second cylinder 314 is fixedly connected to the top of the slide plate 315. The bottom output end of the second cylinder 314 passes through the slide plate 315 and is fixedly connected to the top of the suspension bracket 32. The displacement assembly 34 includes a toothed ring 341 and a sliding block 342. The sliding block 342 is slidably connected inside the annular track 33. The toothed ring 341 is fixedly connected to the bottom of the annular track 33. A side frame 343 is installed on the outside of the sliding block 342. A second motor 344 is fixedly connected to the top of the side frame 343. The output end of the second motor 344 passes through the side frame 343 and is fixedly connected to a first gear 345. The first gear 345 is meshed with the toothed ring 341. The outside of the side frame 343 is connected to the longitudinal movement assembly 35. The cross-sectional shapes of the sliding block 342 and the slider 26 are both set to be convex-shaped. The cross-sectional shapes of the inner channels of the chute 22 and the annular track 33 are also both set to be convex-shaped. When using this device, first place the patient on the bed body 1 with the head resting on the pillow 5. The adjustment assembly 31 starts to work. Start the first cylinder 313. The output end of the first cylinder 313 pushes the slide plate 315 to slide inside the frame 312. The position of the top seat 311 can be horizontally fine-tuned by adjusting the position of the support arm 4, thereby initially adjusting the position of the treatment mechanism 3 in the horizontal direction. Subsequently, start the second cylinder 314 to push the suspension bracket 32 to move downward to adjust the height of the treatment mechanism 3. When the displacement assembly 34 operates, start the second motor 344. Its output end drives the first gear 345 to rotate. Since the first gear 345 is meshed with the toothed ring 341 fixed to the bottom of the annular track 33, the toothed ring 341 rotates, thereby driving the sliding block 342 to slide inside the annular track 33. The cross-sections of the sliding block 342 and the inner channel of the annular track 33 are both convex-shaped. This structure can ensure the stable sliding of the sliding block 342 and prevent it from slipping out. The sliding block 342 is connected to the side frame 343 on the outside, and the side frame 343 is connected to the longitudinal movement assembly 35. Therefore, the movement of the sliding block 342 can drive the longitudinal movement assembly 35 and the connected treatment assembly 36 to make a circular motion around the patient on the horizontal plane, approaching the tumor from different angles to meet the treatment requirements.

[0055] As Figures 5 to 8As shown, the longitudinal movement assembly 35 includes a vertical rail 351 which is fixedly connected to the outer side of the side frame 343. A third motor 352 is fixedly connected to the top of the vertical rail 351. The output end of the third motor 352 penetrates through the vertical rail 351 and is fixedly connected to a second lead screw 353. The second lead screw 353 is rotatably connected inside the vertical rail 351. A displacement block 354 is threadedly connected to the outer surface of the second lead screw 353. One side of the displacement block 354 is connected to the treatment assembly 36. The treatment assembly 36 includes a side arm 361 which is fixedly connected to one side of the displacement block 354. A fourth motor 362 is fixedly connected to the outer side of the side arm 361. The output end of the fourth motor 362 penetrates through the side arm 361 and is fixedly connected to an adjusting wheel 363. The adjusting wheel 363 is rotatably connected between the inner sides of the side arm 361. A third air cylinder 364 is fixedly connected to the middle of the adjusting wheel 363. The output end of the third air cylinder 364 penetrates through the adjusting wheel 363 and is equipped with a nano knife 365. A sleeve 366 is fixedly installed at the output end of the third air cylinder 364. An insertion block 367 is installed inside the sleeve 366 through a screw. The end of the insertion block 367 is connected to the nano knife 365. When the displacement assembly 34 moves the longitudinal movement assembly 35 and the treatment assembly 36 to a suitable horizontal position, the longitudinal movement assembly 35 starts to work. The third motor 352 at the top of the vertical rail 351 is started, and its output end drives the second lead screw 353 to rotate inside the vertical rail 351. Since the second lead screw 353 and the displacement block 354 are connected through a thread pair, the rotation of the lead screw drives the displacement block 354 to move up and down along the direction of the vertical rail 351. One side of the displacement block 354 is connected to the treatment assembly 36. Therefore, the movement of the displacement block 354 can adjust the height of the treatment assembly 36, so that the nano knife 365 reaches the corresponding vertical position of the tumor. When the treatment assembly 36 is ready to puncture, the fourth motor 362 on the outer side of the side arm 361 is started, and its output end drives the adjusting wheel 363 to rotate inside the side arm 361. The third air cylinder 364 is fixedly connected to the adjusting wheel 363. The rotation of the adjusting wheel 363 makes the third air cylinder 364 rotate, thereby changing the stroke direction of the telescopic drive of the third air cylinder 364 and realizing the adjustment of the puncture angle of the nano knife 365. After the position and angle adjustments are completed, the third air cylinder 364 is started, and its output end pushes the nano knife 365 to perform puncture treatment on the tumor. The nano knife 365 is installed at the end of the insertion block 367, and the insertion block 367 is installed inside the sleeve 366 through a screw. If it is necessary to clean, repair or replace the nano knife 365, the screw can be unscrewed to conveniently disassemble and assemble the nano knife 365 to ensure the smooth progress of the treatment process.

[0056] As Figures 1 to 3As shown in the figure, support legs 6 are fixedly installed at the four bottom corners of the bed body 1. A support frame 7 is fixedly installed at the bottom of the support legs 6. The support legs 6 at the four bottom corners of the bed body 1 vertically bear the entire weight of the bed body 1, the patients on the bed, the treatment devices, etc. The support legs 6 evenly disperse these gravity forces onto the support frame 7. The support frame 7 is in large-area contact with the ground, increasing the support area with the ground and reducing the pressure borne per unit area. In this way, no matter what the placement environment of the bed body 1 is, it can maintain a stable state, preventing tilting, shaking or toppling due to uneven force, ensuring the safety of patients during the treatment process, and at the same time providing a basic guarantee for the stable operation of the displacement mechanism 2, the treatment mechanism 3, etc. on the bed body 1.

[0057] Embodiment 2

[0058] As Figures 7 to 10 shown, the longitudinal movement assembly 35 includes a connecting rod 355, an electric push rod 356 and a vertical rail 351. One side of the upper end of the vertical rail 351 is fixedly connected to a second gear 358. The second gear 358 is rotatably connected to the outside of the side frame 343. The electric push rod 356 is fixedly installed on the outer side of the top of the side frame 343. The output end of the electric push rod 356 is in fitting connection with the outer surface of the second gear 358. The connecting rod 355 is arranged in an L shape. A rack is fixedly connected to the bottom end of the connecting rod 355. The rack is in meshing connection with the second gear 358. A third motor 352 is fixedly connected to the top of the vertical rail 351. The output end of the third motor 352 penetrates through the vertical rail 351 and is fixedly connected to a second lead screw 353. The second lead screw 353 is rotatably connected to the inside of the vertical rail 351. A displacement block 354 is threadedly connected to the outer surface of the second lead screw 353 (the same structure as in Embodiment 1, Figure 9 、 Figure 10(not shown), one side of the displacement block 354 is connected to the treatment assembly 36; during clinical treatment, the device realizes the precise positioning and safe storage of the treatment assembly 36 through the coordinated linkage of the electric push rod 356, the straight rack 357 and the second gear 358. When performing a treatment operation, first trigger the extension movement of the electric push rod 356 so that its end is in close contact with the surface of the second gear 358, thereby forming a rigid fixation with the vertical rail 351, ensuring that the treatment assembly 36 remains stable during the treatment operation. After the treatment operation is completed, first drive the treatment assembly 36 to move along a preset trajectory to a position directly below the straight rack 357, and then start the second cylinder 314 to drive the longitudinal movement assembly 35 and the treatment assembly 36 to move upward synchronously. At this time, trigger the retraction command of the electric push rod 356. As the electric push rod 356 contracts, the second gear 358 releases the mechanical locking state with the vertical rail 351. When the second gear 358 continues to move upward with the longitudinal movement assembly 35, the tooth surface of the second gear 358 meshes with the tooth groove of the straight rack 357. Under the constraint of the rack, the second gear 358 generates a rotational movement and drives the outer vertical rail 351 to rotate synchronously, and finally the vertical rail 351 is folded and stored in the direction of the central axis of the bed body 1 in a rotational manner. This design not only realizes the vertical height adjustment function of the treatment assembly 36, but also realizes the automatic folding and storage of the treatment assembly 36 after use through mechanical linkage, effectively avoiding the risk of accidental human touch when the treatment assembly 36 is vertically downward, and at the same time optimizing the space utilization rate above the bed body 1.

[0059] The working process of the technical solution provided by the present invention is as follows:

[0060] The treatment device innovatively constructs a mode in which the treatment mechanism 3 and the displacement mechanism 2 work together. During the treatment process, the patient lies flat on the bed body 1, and precise positioning guidance is implemented with the help of existing hospital imaging equipment such as ultrasound and CT. The first motor 23 is started, and the output shaft of the motor drives the first lead screw 24 to rotate. The first lead screw 24 is connected to the connecting rod 25 through a thread pair. The rotation of the first lead screw 24 drives the connecting rod 25 to move axially, thereby pushing the slider 26 to slide linearly inside the chute 22. The slider 26 is fixedly connected to the connecting arm 27. The sliding of the slider 26 drives the support arm 4 at the top of the connecting arm 27 to generate a lateral displacement, and the support arm 4 drives the treatment mechanism 3 installed on its top to synchronously perform a lateral displacement. When the treatment mechanism 3 moves above the tumor position of the patient, the first cylinder is started, and the telescopic rod of the first cylinder pushes the sliding plate

[0061] to slide inside the frame

[0061] , realizing the supplementary adjustment of the lateral position of the treatment mechanism 3. After the position adjustment is completed, the second cylinder

[0061] is started, and the telescopic rod of the second cylinder

[0061] pushes the entire displacement assembly

[0061] to move vertically downward. At this time, the treatment assembly

[0061] can perform treatment operations on the tumor site. It can be seen that through the coordinated action of the adjustment assembly of the treatment mechanism 3 and the displacement mechanism 2, this device can realize the position adjustment of the treatment mechanism 3 in the lateral, longitudinal, and height directions, and can meet the treatment needs of different patients to the greatest extent.

[0061] After the displacement mechanism 2 and the adjustment component 31 complete the position adjustment, the treatment mechanism 3 plays a key role. The second motor 344 is started, and the motor output shaft drives the first gear 345 to rotate. The first gear 345 and the toothed ring 341 are engaged with each other through teeth, which can drive the slider 342 to move in a circular motion inside the annular rail 33. By controlling the slider 342 to slide along the track of the annular rail 33, each nano-knife 365 can be made to move in a circular motion around the affected area of the patient, so as to flexibly adjust the positions of multiple nano-knives 365 to meet the needs of puncture treatment of irregular tumors at different positions. During this process, the third motor 352 is started, and the motor output shaft drives the second lead screw 353 to rotate inside the vertical rail 351. The second lead screw 353 and the displacement block 354 are connected by a thread pair. The rotation of the second lead screw 353 drives the displacement block 354 to move vertically downward along the vertical rail 351. The displacement block 354 pushes the treatment component 36 to move downward synchronously, realizing the adjustment of the height of the nano-knife 365 and further optimizing the position of the nano-knife 365. Subsequently, the fourth motor 362 is started, and the motor output shaft drives the adjustment wheel 363 to rotate. The adjustment wheel 363 rotates around the axis inside the side arm 361. The adjustment wheel 363 and the third cylinder 364 are connected by a mechanical structure. The rotation of the adjustment wheel 363 drives the third cylinder 364 to rotate around the axis, changing the stroke direction of the telescopic rod of the third cylinder 364, and further adjusting the puncture angle of the nano-knife 365 to achieve a more precise position adaptation. After all the adjustments are completed, the third cylinder 364 is started, and the telescopic rod of the third cylinder 364 pushes the nano-knife 365 to perform puncture treatment. During the whole treatment process, each treatment component 36 can independently adjust the angle, height, position and direction, can flexibly respond to the treatment operations of different patients, and realize puncture treatment at different angles, heights, positions and directions, so that the nano-knife 365 can act evenly on different positions of the tumor, maximizing the treatment effect. In addition, the device adopts a design in which the sleeve 366 is matched with the plug 367. The plug 367 is installed inside the sleeve 366 by screws. When it is necessary to disassemble, install, clean the nano-knife 365, only the screws need to be removed, and the nano-knife 365 can be conveniently disassembled, repaired and cleaned, improving the convenience of using the device.

[0062] The present invention covers any substitutions, modifications, equivalent methods and solutions made on the essence and scope of the present invention. In order to enable the public to have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention. However, those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion to the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0063] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A minimally invasive tumor treatment device, comprising a bed body, characterized in that, A displacement mechanism is fixedly installed inside the support legs at the bottom of the bed body. A support arm is fixedly installed on the displacement mechanism, and a treatment mechanism is fixedly installed at the top of the support arm. The treatment mechanism includes an adjustment component fixedly installed at the top of the support arm. A suspension frame is fixedly installed at the bottom of the adjustment component. An annular track is fixedly installed on the outer side of the suspension frame. Displacement components are movably installed at equal intervals on the outer side of the annular track. A longitudinal movement component is fixedly connected to the outer side of the displacement component. A treatment component is fixedly installed on one side of the longitudinal movement component.

2. The minimally invasive tumor treatment device according to claim 1, wherein, The displacement mechanism includes a groove body and a sliding groove. The groove body is opened at one end of the bottom of the bed body. A first motor is fixedly connected inside the groove body. The output end of the first motor is fixedly connected to a first lead screw. A connecting rod is threadedly connected to the outer surface of the first lead screw. The sliding groove is opened on one side of the bed body. A slider is slidably connected inside the sliding groove. A connecting arm is fixedly connected to the outer side of the slider. The top of the connecting arm is fixedly connected to the bottom of the support arm, and the bottom of the connecting arm is fixedly connected to the outer end of the connecting rod.

3. The minimally invasive tumor treatment device according to claim 2, wherein, A support fixing plate is fixedly installed on the side of the bottom of the bed body away from the groove body. The end of the first lead screw is rotatably connected to the support fixing plate.

4. The minimally invasive tumor treatment device according to claim 2, wherein, The adjustment component includes a top seat. A frame body is fixedly installed on one side of the top seat. A sliding plate is slidably connected inside the frame body. A first cylinder is fixedly connected to the outer side of the top seat. The output end of the first cylinder is fixedly connected to one side of the sliding plate. A second cylinder is fixedly connected to the top of the sliding plate. The bottom output end of the second cylinder penetrates through the sliding plate and is fixedly connected to the top of the suspension frame.

5. The minimally invasive tumor treatment device according to claim 4, wherein The displacement component includes a toothed ring and a sliding block. The sliding block is slidably connected inside the annular track. The toothed ring is fixedly connected to the bottom of the annular track. A side frame is installed on the outer side of the sliding block. A second motor is fixedly connected to the top of the side frame. The output end of the second motor penetrates through the side frame and is fixedly connected to a first gear. The first gear is meshed with the toothed ring. The outer side of the side frame is connected to the longitudinal movement component. The cross-sectional shapes of the sliding block and the slider are both set as convex shapes. The cross-sectional shapes of the inner channels of the sliding groove and the annular track are also both set as convex shapes. A pillow is placed on the side of the top of the bed body close to the first motor.

6. The minimally invasive tumor treatment device according to claim 5, characterized in that The longitudinal movement component includes a vertical track fixedly connected to the outer side of the side frame. A third motor is fixedly connected to the top of the vertical track. The output end of the third motor penetrates through the vertical track and is fixedly connected to a second lead screw. The second lead screw is rotatably connected inside the vertical track. A displacement block is threadedly connected to the outer surface of the second lead screw. One side of the displacement block is connected to the treatment component.

7. The minimally invasive tumor treatment device according to claim 6, wherein The longitudinal movement assembly includes a connecting rod, an electric push rod and a vertical rail. A second gear is fixedly connected to the upper end of the vertical rail, and the second gear is rotatably connected to the outside of the side frame. The electric push rod is fixedly installed on the outer side of the top of the side frame, and the output end of the electric push rod is in fit connection with the outer surface of the second gear. The connecting rod is arranged in an L shape, a rack is fixedly connected to the outer end of the connecting rod, and the rack is meshed with the second gear. A third motor is fixedly connected to the top of the vertical rail, the output end of the third motor penetrates through the vertical rail and is fixedly connected with a second lead screw, the second lead screw is rotatably connected to the inside of the vertical rail, a displacement block is threadedly connected to the outer surface of the second lead screw, and one side of the displacement block is connected to the treatment assembly.

8. The minimally invasive tumor treatment device according to claim 1, wherein, Support legs are fixedly installed at the four corners of the bottom of the bed body, and support frames are fixedly installed at the bottoms of the support legs.

9. The minimally invasive tumor treatment device according to claim 7, characterized in that, The treatment assembly includes a side arm, the side arm is fixedly connected to one side of the displacement block, a fourth motor is fixedly connected to the outside of the side arm, the output end of the fourth motor penetrates through the side arm and is fixedly connected with an adjusting wheel, the adjusting wheel is rotatably connected between the inner sides of the side arm, a third cylinder is fixedly connected to the middle of the adjusting wheel, and a nano knife is installed at the output end of the third cylinder penetrating through the adjusting wheel.

10. The minimally invasive tumor treatment device according to claim 9, wherein A sleeve is fixedly installed at the output end of the third cylinder, a plug is installed inside the sleeve through a screw, and the end of the plug is connected to the nano knife.

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