Probe fixation device in tumor ablation

Abstract

The application discloses a probe fixing device in tumor ablation, which comprises a mounting assembly and a fixing assembly, wherein the fixing assembly comprises a support block arranged on a moving rack, a main block arranged on the support block, a first extension arranged on the main block, a second extension arranged on the main block and matched with the first extension, a grabbing head arranged on the first extension and the second extension, and a probe arranged on the grabbing head, when the operation is performed, an operator drives the rotation of the first rotating cylinder by using a driving motor according to needs, at this time, the clamping key and the key groove are in the matched state, at this time, the first rotating cylinder synchronously drives the rotation of the second frame rod, then the operator adjusts the sliding of the sliding plate to push the second frame rod outward, adjusts the interval between the first frame rod and the second frame rod after the second frame rod is pushed out, and when the second frame rod is more downward, the end of the second frame rod is closer to the probe, so that the end of the probe is fixed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surgical probes, and in particular to a probe fixing device in tumor ablation. BACKGROUND

[0002] In tumor ablation, the probe fixing device plays a crucial role, and the main function of this device is to ensure that the probe can be stably and accurately placed in the target tumor tissue during the operation, thereby ensuring the maximization of the ablation effect.

[0003] However, since this fixing device is fixed by spring force, during the fixing process, the spring force will act on the probe when the spring fixes it, causing it to vibrate. Since this probe is inserted into the human body, this vibration may cause the probe to move unexpectedly in the human body, causing the probe to be inserted into the inside of a large blood vessel or organ around the tumor, thereby causing harm to the human body. In addition, this probe is manually inserted into the human body by the doctor, and the doctor needs to accurately control the force and speed when inserting the probe to avoid unnecessary damage to the patient. Too much force or too fast speed may cause complications such as tissue tearing or blood vessel rupture. This operation process requires the doctor to have very high control to complete it, and the operation difficulty is high. Therefore, it does not meet the existing needs, and for this we propose a probe fixing device in tumor ablation. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the above problems existing in the prior art probe fixing device in tumor ablation, the present application is proposed.

[0006] Therefore, the purpose of the present application is to provide a probe fixing device in tumor ablation.

[0007] To solve the above technical problems, the present application provides the following technical solution: a probe fixing device in tumor ablation, comprising: a mounting assembly, including a mobile support arranged on a medical bed, a mobile rack arranged on the mobile support, and an adjustment component arranged on the mobile rack, the mobile support being detachably connected to the medical bed; and a fixing assembly, including a support block arranged on the mobile rack, a main block arranged on the support block, a first extension arranged on the main block, and a second extension arranged on the main block and cooperating with the first extension, the second extension and the first extension being provided with a grabbing head, and two grabbing heads being provided with a probe.

[0008] As a preferred solution of the probe fixing device in the tumor ablation method, the first extension part comprises a first rotating cylinder arranged at the lower end of the main body block, a first frame rod arranged on the first rotating cylinder, and a first grabbing plate arranged at the end of the first frame rod, the first grabbing plate is rotationally connected with the grabbing head,

[0009] A rotating groove is arranged on the first rotating cylinder, a driving wheel is arranged on the main body block, and a driving belt is arranged between the driving wheel and the rotating groove.

[0010] As a preferred solution of the probe fixing device in the tumor ablation method, the second extension part comprises a sliding plate slidably connected to the main body block, a support rod arranged on the sliding plate, a second frame rod arranged at the lower end of the support rod, a second grabbing plate arranged at the end of the second frame rod, and a cooperating grabbing head arranged at the end of the second grabbing plate, the cooperating grabbing head is arranged opposite to the grabbing head, and a fixing part is arranged in the cooperating grabbing head,

[0011] A sliding part is arranged on the main body block.

[0012] As a preferred solution of the probe fixing device in the tumor ablation method, the sliding part comprises a first motor arranged on the main body block, a first driving wheel arranged on the motor shaft of the first motor, a second driving wheel arranged on the main body block, and a driving belt arranged between the first driving wheel and the second driving wheel, the second driving wheel is arranged away from the first driving wheel, a rotating groove is arranged on the sliding plate and connected with the driving belt, and the support rod extends outward through the first rotating cylinder.

[0013] As a preferred solution of the probe fixing device in the tumor ablation method, a clamping groove is arranged on the side wall of the support rod, a clamping key is slidably connected in the clamping groove, a spring steel ball is arranged at the slot opening of the clamping groove, and a key groove matched with the clamping key is arranged on the first rotating cylinder.

[0014] As a preferred solution of the probe fixing device in the tumor ablation method, the rotating assembly comprises a rotating groove arranged on the grabbing head, and a first gear rotationally connected in the rotating groove, a clamping groove is arranged on the grabbing head, a second gear meshing with the first gear is rotationally connected in the clamping groove, a matching hole matched with the probe part is arranged in the center of the first gear, an inner threaded sleeve is arranged on the matching hole, an outer thread matched with the threaded sleeve is arranged on the side wall of the probe part, and a driving part is arranged in the rotating groove.

[0015] As a preferred solution of the probe fixing device in the tumor ablation method, an inclined surface part is arranged in the rotating groove, and the inclined surface part comprises two inclined surfaces.

[0016] The driving member comprises a first rotating wheel rotatably connected to the grabbing head, a rolling belt arranged between the first rotating wheel and the rotating groove, and meshing teeth arranged outside the rolling belt and meshing with the second gear.

[0017] As a preferred scheme of the probe fixing device in the tumor ablation method, the inclined surface member comprises a track changing block slidably connected in the vertical direction in the rotating groove, the track changing block is provided with inclined surface blocks near the first opening and the second opening, the inclined surfaces of the two inclined surface blocks are oppositely arranged, and the end of the track changing block away from the second gear is provided with an arc-shaped block.

[0018] As a preferred scheme of the probe fixing device in the tumor ablation method, the inside upper surface of the rotating groove is further provided with a supplementary block, a guide rail is arranged in the rotating groove, and the guide rail is communicated with the rotating groove at both ends, so that when the track changing block slides upward, the supplementary block blocks the groove surrounded by the two inclined surface blocks and the arc-shaped block.

[0019] As a preferred scheme of the probe fixing device in the tumor ablation method, the rolling belt is an open rolling belt and is divided into two ends, the rolling belt is respectively provided with a soft insertion rod and a soft insertion hole at the two ends, and the soft insertion rod is inserted into the soft insertion hole.

[0020] The beneficial effects of the present application are as follows: during the operation, the operator drives the rotation of the first rotating cylinder by using the driving motor according to the needs, at this time, the clamping key and the key groove are in the matching state, at this time, the first rotating cylinder synchronously drives the rotation of the second frame rod, then the operator adjusts the sliding of the sliding plate to push the second frame rod outward, and after the second frame rod is pushed out, the interval between the first frame rod and the second frame rod is adjusted, when the second frame rod is pushed downward, the end of the second frame rod is closer to the probe member, so that the end of the probe member is fixed.

[0021] When the clamping key and the key groove are in the non-matching state, the support rod can be rotated at will, so that the rotation of the support rod is not synchronously driven when the first rotating cylinder is rotated, and because the grabbing head and the matched grabbing head can be rotated, the operator can first stagger the positions of the first frame rod and the second frame rod, then the operator rotates the grabbing head and the matched grabbing head, and then the probe member can be obliquely inserted, so that different angles for the operation are selected. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0023] Figure 1 The overall structure of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0024] Figure 2 The fixing assembly of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0025] Figure 3 The fixing assembly of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0026] Figure 4 The fixing assembly of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0027] Figure 5 The upper structure of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0028] Figure 6 The inner structure of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram.

[0029] Figure 7 The inner structure of the probe fixing device in the tumor ablation procedure of the present application is shown in the schematic diagram. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present application more apparent and comprehensible, the specific embodiments of the present application will be described in detail in conjunction with the drawings in the specification.

[0031] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0033] Thirdly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the present application, for the convenience of description, the cross-sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production. Embodiment 1

[0034] Reference Figures 1-7 For the first embodiment of the present application, a probe fixing device in tumor ablation is provided, comprising a mounting assembly 100, in the embodiment, the mounting assembly 100 comprises a moving support 101 arranged on a medical bed, a moving rack 102 arranged on the moving support 101 and an adjusting component 103 arranged on the moving rack 102, and the moving support 101 is detachably connected on the medical bed, when used by the operator, the moving support 101 is first installed on the medical bed, and then the moving rack 102 is slid to position the treatment position.

[0035] In the embodiment, the adjusting component 103 comprises a support rod rotatably connected on the moving support 101, the other end of the support rod is rotatably connected with the moving rack 102, and the lock bolts are arranged on both ends of the support rod, the lock bolts are abutted with the moving support 101 after rotation, and then the moving support 101 is locked.

[0036] Further, the present application further comprises a fixing assembly 200, in the embodiment, the fixing assembly 200 comprises a support block 201 arranged on the moving rack 102, a main block 202 arranged on the support block, a first extension 203 arranged on the main block 202, a second extension 204 arranged on the main block 202 and matched with the first extension 203, a grabbing head 205 arranged on the second extension 204 and the first extension 203, and two probe pieces 206 arranged on the grabbing head.

[0037] In the embodiment, the probe piece 206 is a lancet, which can be installed or replaced by the operator.

[0038] Further, the support block 201 is rotatably connected with the moving rack 102, and the main block 202 is connected with the support block 201 through the bolt, which can be detached, and the main block 202 is in the shape of a long block.

[0039] Further, in the embodiment, the first extension member 203 comprises a first rotating cylinder 203a arranged at the lower end of the main block 202, a first frame rod 203b arranged on the first rotating cylinder 203a, and a first grabbing plate 203c arranged at the end of the first frame rod 203b, the first grabbing plate 203c being rotatably connected with the grabbing head 205, a rotating groove 203d being formed on the first rotating cylinder 203a, and a driving member 406 being arranged on the main block 202 and connected with the rotating groove 203d, the first frame rod 203b extending radially along the side wall of the first rotating cylinder 203a.

[0040] A rotating groove 203d is formed on the first rotating cylinder 203a, a driving wheel 203e is arranged on the main block 202, a driving belt 203f is arranged between the driving wheel 203e and the rotating groove 203d, a driving motor is arranged on the driving wheel 203e, and the driving motor drives the driving belt 203f, thereby driving the rotation of the first rotating cylinder 203a.

[0041] Further, in the embodiment, the second extension member 204 comprises a sliding plate 204a slidably connected with the main block 202, a support rod 204b arranged on the sliding plate 204a, the support rod 204b penetrating through the first rotating cylinder 203a, a second frame rod 204c arranged at the lower end of the support rod 204b, a second grabbing plate 204d arranged at the end of the second frame rod 204c, the sliding plate 204a being arranged above the first rotating cylinder 203a, the second frame rod 204c also extending radially along the end of the support rod 204b, and the second frame rod 204c being arranged in parallel with the first frame rod 203b, a cooperating grabbing head 204e being arranged at the end of the second grabbing plate 204d, the cooperating grabbing head 204e being arranged opposite to the grabbing head 205, and a fixing member being arranged in the cooperating grabbing head 204e.

[0042] In the embodiment, the fixing member comprises a plurality of top bars arranged on the cooperating grabbing head 204e, and a buffer pad being arranged at the upper end of the top bar and being in contact with the outer wall of the probe member 206.

[0043] Preferably, a sliding member 300 is arranged on the main block 202.

[0044] In the embodiment, the sliding member 300 comprises a first motor 301 arranged on the main block 202, a first driving wheel 302 arranged on the motor shaft of the first motor 301, a second driving wheel 303 arranged on the main block 202, and a driving belt 304 arranged between the first driving wheel 302 and the second driving wheel 303, the driving belt 304 being arranged along the length direction of the main block 202, the second driving wheel 303 being arranged away from the first driving wheel 302, a rotating groove 400 being formed on the sliding plate 204a and connected with the driving belt 304, and the support rod 204b penetrating through the first rotating cylinder 203a and extending outwardly.

[0045] The clamping groove is arranged on the side wall of the support rod 204b, the clamping key 306 is slidably connected in the clamping groove, spring steel balls are arranged at the slot of the clamping groove, the key groove matched with the clamping key 306 is arranged on the first rotating cylinder 203a, the operator can press the clamping key 306, and the clamping key 306 is popped out, then the clamping key 306 is matched with the key groove, and the first extension 203 and the second extension 204 are fixed and rotated together, and meanwhile, the sliding of the second extension 204 is not hindered; when the operator presses the clamping key 306 into the clamping groove, the clamping key 306 is no longer matched with the key groove, and the sliding of the first extension 203 and the second extension 204 is no longer synchronized.

[0046] During the operation, the operator drives the rotation of the first rotating cylinder 203a by using the driving motor according to needs, the clamping key 306 and the key groove are in the matched state, the first rotating cylinder 203a synchronously drives the rotation of the second frame rod 204c at this time, then the operator adjusts the sliding of the sliding plate 204a to push the second frame rod 204c outwards, the interval between the first frame rod 203b and the second frame rod 204c is adjusted after the second frame rod 204c is pushed out, and the end of the second frame rod 204c is closer to the probe 206 when the second frame rod 204c is more downward, so that the end of the probe 206 is fixed.

[0047] When the clamping key 306 and the key groove are not matched, the support rod 204b can be rotated at will, and the rotation of the support rod 204b is not synchronously driven when the first rotating cylinder 203a rotates, and because the grabbing head 205 and the matched grabbing head 204e can be rotated, the operator can first stagger the positions of the first frame rod 203b and the second frame rod 204c, then the operator rotates the grabbing head 205 and the matched grabbing head 204e respectively, and then the probe 206 can be inserted obliquely, so that different angles for operation are selected.

[0048] Further, the application also comprises a rotating assembly, which is arranged on the grabbing head 205. The rotating assembly comprises a rotating groove 400 arranged on the grabbing head 205, a first gear 401 rotatably connected in the rotating groove 400, a clamping groove 402 arranged on the grabbing head 205, a second gear 403 rotatably connected in the clamping groove 402 and engaged with the first gear 401, a matched hole 404 arranged in the center of the first gear 401 and matched with the probe 206, an internally threaded sleeve 405 arranged on the matched hole 404, and external threads arranged on the side wall of the probe 206 and matched with the threaded sleeve.

[0049] As preferred, when the operator ties the strap 406b, the strap 406b is inserted into the end of the rotary groove 400 and then pulled out from the other end of the rotary groove 400, and during the pulling of the strap 406b, the protruding teeth on the surface of the strap 406b engage with the second gear 403, thereby driving the rotation of the second gear 403.

[0050] In the embodiment, the driving member 406 comprises a first rotating wheel 406a rotatably connected to the grabbing head 205, a strap 406b arranged between the first rotating wheel 406a and the rotary groove 400, and meshing teeth arranged outside the strap 406b and engaging with the second gear 403. The strap 406b is an open strap 406b and is divided into two ends, and a soft plug and a soft plug hole are arranged on the two ends of the strap 406b respectively, and the soft plug is inserted into the soft plug hole.

[0051] As preferred, the two ends of the rotary groove 400 are communicated with the grabbing head 205, thereby forming a first opening and a second opening, and an inclined member 500 is arranged at the position where the clamping groove 402 communicates with the rotary groove 400. In the embodiment, the inclined member 500 comprises a track changing block 501 slidably connected to the rotary groove 400 in the vertical direction, and an inclined block 502 is arranged at the position close to the first opening and the second opening of the track changing block 501 respectively. The inclinations of the two inclined blocks 502 are oppositely arranged, and an arc-shaped block 503 is arranged at the end of the track changing block 501 away from the second gear 403. When viewed from above, the groove surrounded by the two inclined blocks 502 and the arc-shaped block 503 is in the shape of an arc, and the top end position of the arc is close to the second gear 403.

[0052] In addition, a supplementary block 504 is arranged at the position of the upper surface inside the rotary groove 400, and a guide rail 505 is arranged in the rotary groove 400, and the guide rail 505 surrounds the buffer column and is communicated with the rotary groove 400 at both ends. When the track changing block 501 slides upward, the supplementary block 504 blocks the groove surrounded by the two inclined blocks 502 and the arc-shaped block 503, and only two arc-shaped channels are left, and the two arc-shaped channels are communicated with the two ends of the guide rail 505.

[0053] The operation process is as follows: the whole device has two use modes: 1. Up-down movement mode: the operator slides the track changing block 501 upward, at this time the operator inserts the tape into the spiral groove 400, and when the tape is inserted, the shape of the groove surrounded by the two inclined blocks 502 and the arc-shaped block 503 guides the tape to be close to the second gear 403, then the convex part drives the second gear 403 to rotate, and then drives the rotation of the inner threaded sleeve 405, the cooperation of the inner thread and the outer thread makes the probe 206 move up and down; 2. Fixed connection mode: the operator moves the track changing block 501 upward, so that the supplemental block 504 blocks the groove surrounded by the two inclined blocks 502 and the arc-shaped block 503, and the two arc-shaped passages left are communicated with the guide rail 505, at this time the operator inserts the tape, the tape will extend along the guide rail 505, and then pass out from the other end of the guide rail 505, at this time the tape 406b loops around the probe 206, which further fixes the probe 206.

[0054] The two connection modes can be changed according to different use scenarios, thereby increasing the application scenarios of the device.

[0055] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the generality of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0056] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the present application currently contemplated).

[0057] It is to be understood that the development of the particular embodiments described herein is based on specific assumptions, an example of which is described below. While these specific assumptions can yield the embodiments described herein, other embodiments can be obtained by modifying the specific assumptions.

[0058] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application, and all modifications and equivalent replacements should be included in the scope of the claims of the present application.

Claims

1. A probe fixation device in tumor ablation, characterized by: The utility model relates to a medical care bed with adjustable rotating component, including, The installation component (100) includes the mobile support (101) set up on the medical care bed, the mobile stand (102) set up on the mobile support (101) and the adjustment part (103) set up on the mobile stand (102), and the mobile support (101) is detachably connected on the medical care bed, The fixed component (200) includes the support block (201) set up on the mobile stand (102), the main body block (202) set up on the support block (201), the first extension piece (203) set up on the main body block (202), the second extension piece (204) set up on the main body block (202) and cooperating with the first extension piece (203), the second extension piece (204) is provided with the grabbing head (205) on the first extension piece (203), and two grabbing heads (205) are provided with probe pieces (206), The rotating component is set up on the grabbing head (205), the first extension piece (203) includes the first rotating cylinder (203a) set up on the lower end of the main body block (202), the first frame rod (203b) set up on the first rotating cylinder (203a) and the first grab plate (203c) set up on the end of the first frame rod (203b), and the first grab plate (203c) is rotationally connected with the grabbing head (205), The first rotating cylinder (203a) is provided with the driving card belt (203f) between the driving wheel (203e) and the rotating groove (203d), the second extension piece (204) includes the sliding plate (204a) slidably connected on the main body block (202), the support rod (204b) set up on the sliding plate (204a), the second frame rod (204c) set up on the lower end of the support rod (204b), the second grab plate (204d) set up on the end of the second frame rod (204c), and the second grab plate (204d) is provided with the cooperating grabbing head (204e) on the end, the cooperating grabbing head (204e) is oppositely arranged with the grabbing head (205), and the cooperating grabbing head (204e) is provided with the fixing piece, The main body block (202) is provided with a sliding piece (300), the sliding piece (300) comprises a first motor (301) arranged on the main body block (202), a first drive wheel (302) arranged on the motor shaft of the first motor (301), a second drive wheel (303) arranged on the main body block (202), and a drive belt (304) (203f) arranged between the first drive wheel (302) and the second drive wheel (303), the second drive wheel (303) is arranged away from the first drive wheel (302), the skateboard (204a) is provided with a rotating groove (400) connected with the drive belt (304), the support rod (204b) passes through the first rotating cylinder (203a) and extends outward, the support rod (204b) is provided with a clamping groove (402) on the side wall, the clamping groove (402) is slidably connected with a clamping key (306), and the clamping groove (402) is provided with spring steel balls at the slot opening.

2. The probe fixation device in tumor ablation according to claim 1, wherein: The rotating assembly comprises a rotating groove (400) arranged on the grabbing head (205), and a first gear (401) rotatably connected in the rotating groove (400), the grabbing head (205) is provided with a clamping groove (402), the clamping groove (402) is rotatably connected with a second gear (403) engaged with the first gear (401), the first gear (401) is provided with a matching hole (404) in the center, the matching hole (404) is provided with an internal thread sleeve (405), and the probe piece (206) is provided with an external thread on the side wall, and the rotating groove (400) is provided with a driving piece (406).

3. The probe fixation device for use in tumor ablation according to claim 2, wherein: The rotating groove (400) is provided with a slope piece (500), and the slope piece (500) is provided with two; The driving piece (406) comprises a first rotating wheel (406a) rotatably connected to the grabbing head (205), and a rolling belt (406b) arranged between the first rotating wheel (406a) and the rotating groove (400), and the rolling belt (406b) is provided with meshing gear teeth engaged with the second gear (403) on the outer side.

4. The probe fixation device for use in tumor ablation according to claim 3, wherein: The slope piece (500) comprises a track changing block (501) slidably connected in the rotating groove (400) in the vertical direction, the rotating groove (400) is provided with a slope block (502), the slopes of the two slope blocks (502) are oppositely arranged, and the end of the track changing block (501) away from the second gear (403) is provided with an arc-shaped block (503), the groove surrounded by the two slope blocks (502) and the arc-shaped block (503) is arc-shaped, and the top end position of the arc line is just close to the second gear (403).

5. The probe fixation device for use in tumor ablation according to claim 2, wherein: The inside upper surface position of the spiral groove (400) is further provided with a supplementary block (504), the spiral groove (400) is provided with a guide rail (505), both ends of the guide rail (505) are communicated with the spiral groove (400), when the track changing block (501) slides upward, the supplementary block (504) seals the groove surrounded by the two inclined blocks (502) and the arc-shaped block (503).

6. The probe fixation device for use in tumor ablation according to claim 3, wherein: The rolling belt (406b) is an open rolling belt (406b) and is divided into two ends, soft insertion rods and soft insertion holes are arranged on the two ends of the rolling belt (406b) respectively, and the soft insertion rods are inserted into the soft insertion holes.

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