An automatic clamping tool for spinal cord injury animal models

Abstract

The invention discloses an automatic clamping tool for an animal model of spinal cord injury. The reduction motor is arranged at one end of a bracket and the bracket is located at the end and is provided with a slide groove running through the longitudinal direction. The left clamp arm and the right clamp arm are arranged relatively to each other, and the left clamp arm and the right clamp arm are suspended and slidably arranged in the slide groove. One end of the bracket is connected with a support seat mechanism. The support seat mechanism and a touch module are both arranged on the upper surface of an operating table. A timing unit is arranged inside the touch module, and the touch module is connected to the reduction motor. Pressure sensors are arranged inside the left clamp arm and the right clamp arm. The invention has a reasonable structure. Through the cooperation of the reduction motor, the double-headed screw, the left clamp arm and the right clamp arm, the left clamp head and the right clamp arm can clamp the spinal cord of a mouse. The pressure sensor is embedded and attached on the clamping surface of the left clamp head or the right clamp head to ensure that the clamping force is consistent each time. Then, through the cooperation of the touch module, the clamping time and the clamping speed can be controlled, thereby greatly improving the accuracy of the experimental results.

Description

Technical Field

[0001] The invention relates to the technical field of clamping tools for spinal cord injury animal models, in particular to an automatic clamping tool for spinal cord injury animal models. Background Art

[0002] Spinal cord injury is one of the most difficult clinical problems. The motor and sensory functions of patients with spinal cord injury are severely damaged, and they lose the ability to take care of themselves, which places a heavy burden on their families and society. At present, there is no clear and effective treatment plan for spinal cord injury in the clinic. Therefore, there are many experiments in the laboratory using animal models to simulate spinal cord injury, most of which use rats or mice. Spinal cord clamping is a common method for laboratory spinal cord injury modeling, and it is also a key step. The inconsistent degree of clamping injury often reduces the credibility of the experimental results, or even fails. Traditionally, spinal cord clamping is performed by a single experimenter. The spinal cord of mice is small, and the use of clamping tweezers often results in inconsistent clamping force, inaccurate clamping position (mostly offset), unstable clamping time and other shortcomings. There are also large errors in the operation of different experimenters. At the same time, the clamping operation has high requirements for the experimenter. The experimenter usually needs a month of learning and training to truly meet the requirements of scientific research experiments for modeling quality. Therefore, an improved technology is urgently needed to solve this problem in the existing technology. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic clamping tool for an animal model of spinal cord injury. Through the cooperation of a reduction motor, a double-headed screw, a left clamp arm and a right clamp arm, the left clamp head and the right clamp head can clamp the mouse spinal cord. A pressure sensor is embedded and attached to the clamping surface of the left clamp head or the right clamp head to ensure that the clamping force is consistent each time. Then, through the cooperation of a touch module, the clamping time and the clamping speed can be controlled, thereby greatly improving the accuracy of the experimental results to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: an automatic clamping tool for a spinal cord injury animal model, comprising an operating table, a clamping mechanism and a touch control module;

[0005] The clamp mechanism comprises a crossbeam, a clamp assembly, a clamp driver and a pressure sensor; a slide slot is vertically passed through one end of the crossbeam, and the other end is arranged on the operating table; the upper end of the clamp assembly passes through the slide slot and is connected to the clamp driver, and the lower end of the clamp assembly extends toward the operating table surface; the clamp driver is installed on the crossbeam to drive the clamp assembly to clamp; the pressure sensor is installed at the lower end of the clamp assembly to sense clamping force data;

[0006] The touch control module is installed on the operating table and is used to control the start and stop of the clamping driver, the clamping time, and adjust the pressure value of the pressure sensor.

[0007] Preferably, the present invention provides an automatic clamping tool for an animal model of spinal cord injury, wherein the clamping assembly includes a left clamp arm, a right clamp arm and a guide rod; the guide rod passes through the left clamp arm and the right clamp arm respectively, and the guide rod is arranged in the slide groove; the upper end of the left clamp arm and the upper end of the right clamp arm are respectively connected to the clamp driver, and the horizontal movement of the left clamp arm and the right clamp arm in the slide groove is realized by the clamp driver.

[0008] Preferably, the present invention provides an automatic clamping tool for an animal model of spinal cord injury, wherein the clamp driver includes a reduction motor, a clamp box and a double-headed screw; the clamp box cover is arranged on the slide groove, the reduction motor is installed on the cross beam, the output shaft of the reduction motor passes through the clamp box and extends into the clamp box, and the output shaft in the clamp box is keyed to a driving gear; the double-headed screw is mounted on the clamp box, the threaded sections at both ends of the double-headed screw are respectively threadedly connected to the left clamp arm and the right clamp arm, the middle section of the double-headed screw is keyed to a driven gear, the driving gear and the driven gear are meshed and connected, and the left clamp arm and the right clamp arm are moved at equal speed and distance by the reduction motor and the double-headed screw.

[0009] Preferably, the automatic clamping tool for an animal model of spinal cord injury provided by the present invention further includes a beam mounting seat assembly, wherein the beam mounting seat assembly includes a mounting seat and a lifting cylinder; the mounting seat is arranged on the operating table, the lifting cylinder is installed on the mounting seat, the piston rod end of the lifting cylinder is connected to the beam and away from one end of the slide groove; the lifting cylinder is electrically connected to the touch module, and the lifting and lowering of the beam is achieved by the lifting cylinder.

[0010] Preferably, the present invention provides an automatic clamping tool for an animal model of spinal cord injury, wherein the touch module includes a touch panel, a timing unit and a PLC; the touch panel integrates a lifting control key, a clamp driver start / stop key, a clamp force adjustment key and a clamp time control key, and the lifting control key is used to control the extension and retraction action of the lifting cylinder; the PLC is electrically connected to the lifting cylinder, the pressure sensor and the clamp driver, respectively; the clamp force threshold and the clamp time threshold are preset according to the clamp force adjustment key and the clamp time control key, the clamp driver start / stop key is pressed, and the clamp driver is instructed to clamp through the PLC, and when the clamp force reaches the preset clamp force threshold, the PLC instructs the timing unit to time, and when the time data recorded by the timing unit reaches the clamp time threshold, the clamp driver is instructed to stop the clamping action and reverse operation through the PLC.

[0011] Preferably, in the automatic clamping tool for a spinal cord injury animal model provided by the present invention, the mounting seat is mounted on the operating table via a locking bolt, and the mounting seat is fixed by the locking bolt.

[0012] Preferably, the automatic clamping tool for a spinal cord injury animal model provided by the present invention further comprises a mouse placement table, wherein the mouse placement table is installed on the operating table and is used for placing mice.

[0013] Preferably, the present invention provides an automatic clamping tool for a spinal cord injury animal model, wherein the mouse placement table has a built-in heating unit, and the heating unit is electrically connected to the touch module for heating the mouse placement table to avoid the death of the mouse due to the anesthesia effect.

[0014] Preferably, the present invention provides an automatic clamping tool for a spinal cord injury animal model, wherein the mouse placing table comprises a first placing table and a second placing table, the first placing table and the second placing table are connected via a connecting plate, the double placing table structure is convenient for improving the test efficiency, a wiring port is provided on one side of the first placing table, the wiring port is connected to the touch module via a cable, the operating table is provided with a placing slot, the first placing table and the second placing table are movably arranged in the placing slot, and a plurality of cleaning holes are provided in the placing slot for easy cleaning.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The left and right clamp heads can clamp the spinal cord of mice by cooperating with the reduction motor, double-headed screw, left clamp arm and right clamp arm. The pressure sensor can be embedded in the clamping surface of the left or right clamp head to ensure the consistency of clamping force each time. The clamping time and speed can be controlled by cooperating with the touch module, thereby greatly improving the accuracy of the experimental results.

[0017] (2) Using the placement table assembly The first placement table and the second placement table can be used for equipment work in a batch laboratory. The mice to be tested are placed on the spare placement table. After the experiment on the previous mouse is completed, the placement table assembly is directly pushed, which greatly improves the experimental efficiency.

[0018] (3) A heating unit is provided in both the first placing table and the second placing table to ensure that the temperature of the first placing table and the second placing table is consistent with the body temperature of the mouse, thereby avoiding the death of the mouse due to the anesthesia effect.

[0019] (4) A double-headed screw is used to control the movement of the left clamp arm and the right clamp arm, thereby ensuring symmetrical clamping of the left clamp arm and the right clamp arm, ensuring accuracy during clamping, and reducing errors caused by offset.

[0020] (5) The bracket can rotate around the locking bolt and can be raised and lowered by a cylinder, which facilitates the clamping experiment operation.

[0021] (6) The structure is simple, easy to install, disassemble and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the appearance and structure of the clamp assembly and the clamp driver;

[0024] Figure 3 For attachment Figure 2 Schematic diagram of an angle transformation structure (beam and clamp box not shown);

[0025] Figure 4 It is a schematic diagram of the structure of the left clamp arm and the right clamp arm;

[0026] Figure 5 This is a schematic diagram of the exploded structure of the beam mounting seat assembly;

[0027] Figure 6 Schematic diagram of the mouse placement platform structure;

[0028] Figure 7 It is a schematic diagram of the clamp structure when viewed from above.

[0029] In the figure: beam 1, clamp assembly 2, clamp driver 3, pressure sensor 4, slide 5, operating table 6, touch module 7, beam mounting seat assembly 8, locking bolt 9, mouse placement table 10, placement slot 11, cleaning hole 12, handle 13, first placement table 101, second placement table 102, left clamp arm 201, right clamp arm 202, guide rod 203, left clamp head 204, right clamp head 205, screw nut 206, reduction motor 301, clamp box 302, double-headed screw 303, driving gear 304, driven gear 305, support plate 306, touch panel 701, mounting seat 801, lifting cylinder 802, fixing plate 803, pressure ring 901, slot 3021, shaft slot 3022. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solution of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention;

[0031] It should be noted that, in the description of the present invention, it should be noted that the terms "inside", "outside", "up", "down", "both sides", "one end", "the other end", "left", "right", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] See also Figure 1-7 , the present invention provides a technical solution: an automatic clamping tool for a spinal cord injury animal model, comprising an operating table 6, a clamping mechanism and a touch module 7;

[0033] The clamp mechanism includes a crossbeam 1, a clamp assembly 2, a clamp driver 3 and a pressure sensor 4; a slide slot 5 is vertically passed through one end of the crossbeam 1, and the other end is arranged on an operating table 6; the upper end of the clamp assembly 2 passes through the slide slot 5 and is connected to the clamp driver 3, and the lower end of the clamp assembly 2 extends toward the table top of the operating table 6; the clamp driver 3 is installed on the crossbeam 1 to drive the clamp assembly 2 to clamp; the pressure sensor 4 is installed at the lower end of the clamp assembly 2 to sense the clamping force data; the clamp assembly 2 includes a left clamp arm 201, a right clamp arm 202 and a guide rod 203; the guide rod 203 is provided to the left clamp arm 201, a right clamp arm 202 and a guide rod 203; the guide rod 203 is provided to the right clamp arm 202 ... The guide rod 203 passes through the left clamp arm 201 and the right clamp arm 202 respectively, and the guide rod 203 is mounted in the slide slot 5; the upper end of the left clamp arm 201 and the upper end of the right clamp arm 202 are respectively connected to the clamp driver 3; the clamp driver 3 includes a reduction motor 301, a clamp box 302 and a double-headed screw 303; the clamp box 302 is covered in the slide slot 5, the reduction motor 301 is installed on the crossbeam 1, the output shaft of the reduction motor 301 passes through the clamp box 302 and extends into the clamp box 302, and the output shaft located in the clamp box 302 is keyed to the driving gear 304;The double-headed screw 303 is mounted on the clamp box 302, and the threaded sections at both ends of the double-headed screw 303 are respectively threadedly connected to the left clamp arm 201 and the right clamp arm 202. The top of the left clamp arm 201 and the right clamp arm 202 are both provided with a screw nut 206, and the left clamp arm 201 and the right clamp arm 202 are connected to the double-headed screw 303 through the screw nut 206. The upper ends of the left clamp arm 201 and the right clamp arm 202 are both provided with a through hole, which cooperates with the guide rod 203. The middle section of the double-headed screw 303 is keyed to the driven gear 305, and the driving gear 304 is meshed with the driven gear 305, one side of the clamp box 302 is connected to the reduction motor 301, two support plates 306 are arranged inside the clamp box 302, the double-headed screw 303 is connected to the two support plates 306, the clamp box 302 is fixed to the upper surface of the beam 1 by screws, two card grooves 3021 are arranged on the inner walls of both sides of the clamp box 302, the card grooves 3021 and the support plates 306 cooperate with each other, and shaft grooves 3022 are arranged on the inner walls at both ends of the clamp box 302, and the shaft grooves 3022 and the two ends of the double-headed screw 303 cooperate with each other. 01 is provided with a left clamp head 204 at the bottom end, and a right clamp head 205 is provided at the bottom end of the right clamp arm 202. A pressure sensor 4 is embedded and attached to the clamping surface of the left clamp head 204 or the right clamp head 205. The present application adopts a ceramic micro pressure sensor, which is composed of a ceramic diaphragm and a thick film resistor stacked to form a Wheatstone bridge, in a plate shape, and is installed on the clamping surface of the left clamp arm 201 or the right clamp arm 202 (that is, the left clamp head 204 or the right clamp head 205). Based on the piezoresistive effect, the pressure directly acts on the surface of the ceramic diaphragm, causing the ceramic diaphragm to produce a slight deformation, and the pressure sensor 4 is attached to the left clamp head 204 or the right clamp head 205. The thick film resistor attached to the other side of the ceramic diaphragm senses the deformation force. Due to the piezoresistive effect of the piezoresistance, the Wheatstone bridge generates a high linear voltage signal proportional to the pressure. The PLC receives the signal and converts it into a pressure value. The reduction motor 301 and the pressure sensor 4 are connected to the touch module 7 through cables. The cable between the pressure sensor 4 and the touch module 7 is routed from the cable laying groove outside the left clamp arm 201 or the right clamp arm 202. The width of the left clamp arm 201 and the right clamp arm 202 is consistent with the width of the slide groove 5 opened by the beam 1.

[0034] The touch module 7 is installed on the operating table 6, and is used to control the start and stop of the clamp driver 3, the clamping time, and adjust the pressure value of the pressure sensor 4. The touch module 7 includes a touch panel 701, a timing unit and a PLC; the touch panel 701 integrates a lifting control key, a clamp driver start and stop key, a clamp force adjustment key and a clamp time adjustment key, and the lifting control key is used to control the extension and retraction action of the lifting cylinder 802; the PLC is electrically connected to the lifting cylinder 802, the pressure sensor 4, and the clamp driver 3 respectively; according to the clamp force adjustment key and the clamp time adjustment key, ... lifting control key and the clamp force adjustment key, the lifting control key is used to control the extension and retraction action of the lifting cylinder 802; the PLC is electrically connected to the lifting cylinder 802, the pressure sensor 4, and the clamp driver 3 respectively; according to the lifting control key and the clamp time adjustment key, the lifting control key is used to control the extension and retraction action of the lifting cylinder 802; the lifting control key is used to control the extension and retraction action of the lifting cylinder 802; the lifting control key is used to control the extension and retraction action of the lifting cylinder 802; the lifting control key is used to control the extension The control keys respectively preset the clamping force threshold and the clamping time threshold, press the start / stop button of the clamp driver, and instruct the clamp driver 3 to clamp through the PLC. When the clamping force reaches the preset clamping force threshold, the PLC instructs the timing unit to time. When the time data recorded by the timing unit reaches the clamping time threshold, the PLC instructs the clamp driver 3 to stop the clamping action and reverse operation; the crossbeam mounting seat assembly 8 includes a mounting seat 801 and a lifting cylinder 802; the mounting seat 801 is arranged on the operating table 6, and the lifting cylinder 802 is installed on the mounting seat 801. The piston rod end of the cylinder 802 is connected to the end of the crossbeam 1 and away from the slide groove 5. A fixing plate 803 is arranged on one side of the mounting seat 801. The fixing plate 803 is movably connected to the operating table 6 through the locking bolt 9 and the mounting seat 801 rotates around the locking bolt 9. A pressure ring 901 is arranged on the locking bolt 9. The lifting cylinder 802 is electrically connected to the touch control module 7. The mounting seat 801 is installed on the operating table 6 through the locking bolt 9. The top of the locking bolt 9 is connected to the handle 13 through a connecting ring. The mouse placing table 10 is installed on the operating table 6. The mouse placing table 10 is provided with a locking bolt 9. The placement table 10 has a built-in heating unit, which is electrically connected to the touch module 7 and is used to heat the mouse placement table 10; the mouse placement table 10 includes a first placement table 101 and a second placement table 102, the first placement table 101 and the second placement table 102 are connected via a connecting plate, a wiring port is provided on one side of the first placement table 101, and the wiring port is connected to the touch module 7 via a cable, a placement slot 11 is provided on the operating table 6, the first placement table 101 and the second placement table 102 are movably arranged in the placement slot 11, and a plurality of cleaning holes 12 are provided in the placement slot 11.

[0035] Usage and principle: When in use, place the first placement table 101 and the second placement table 102 in the placement slot 11 of the operating table 6, then connect the cables to the wiring port of the first placement table 101 and the touch module 7 respectively to achieve temperature control of the first placement table 101 and the second placement table 102, loosen the locking bolt 9, rotate the mounting seat 801, so that the left clamp arm 201 and the right clamp arm 202 at the end of the beam 1 leave the first placement table 101 or the second placement table 102, set the parameters, mainly set the preset clamp pressure The value is matched through the pressure sensor 4. When the pressure reaches the preset value, the reduction motor 301 stops working. The preset value of the clamping time is completed by the timing unit in the touch module 7. The timing starts from the stop of the reduction motor 301. After the time is reached, the reduction motor 301 starts and reverses. The left clamp arm 201 and the right clamp arm 202 are loosened to the outside. The preset value of the clamping speed is controlled by the control chip corresponding to the reduction motor 301 to control the speed of the reduction motor 301, so that the same batch of mice can be guaranteed to have consistent damage. If there are multiple mice, when one mouse is operated, another mouse can be placed on another placement table for preparation. The operation process is as follows: the mouse is anesthetized first and placed on the first placement table 101 or the second placement table 102. First, the height of the crossbeam 1 is controlled by the lifting cylinder 802, so that the left clamp head 204 and the right clamp head 205 are respectively located above the mouse. Then, the distance between the left clamp arm 201 and the right clamp arm 202 is controlled by the reduction motor 301, so that the left clamp head 204 and the right clamp head 205 are respectively located on both sides of the mouse spinal cord and in the gap between the bones on both sides. Then, the crossbeam 1 is lowered by the lifting cylinder 802 until the left clamp head 204 and the right clamp head 205 are respectively inserted into the gaps between the bones on both sides of the mouse spinal cord. Then, the reduction motor 301 is used to control the distance between the left clamp arm 201 and the right clamp arm 202. 1 The left clamp head 204 and the right clamp head 205 clamp the spinal cord of the mouse. At this time, the pressure sensor 4 embedded and attached on the clamping surface of the left clamp head 204 or the right clamp head 205 applies pressure until the preset value is reached, and the reduction motor 301 stops working. At this time, the timing starts. When the preset value is reached, the motor reverses, so that the left clamp head 204 and the right clamp head 205 release the spinal cord of the mouse, and the crossbeam 1 rises to push the first placement table 101 and the second placement table 102. The above operation steps are performed on another mouse, and the mouse after the experiment is taken out and the experimental results are recorded and analyzed. At the same time, a new mouse to be tested is placed on the standby placement table, and this is repeated.The crossbeam 1 can be lifted and lowered along the mounting base 801 under the action of the lifting cylinder 802, so as to control the relative height of the left clamp head 204, the right clamp head 205 and the mouse spinal cord; the left clamp arm 201 and the right clamp arm 202 are driven by the reduction motor 301 to perform a clamping action, which is used to clamp the mouse spinal cord bone. Different from the traditional clamp tweezers, the upper end of the traditional clamp tweezers is fixedly connected, and the left clamp head 204 and the right clamp head 205 at the lower end of the left clamp arm 201 and the right clamp arm 202 rotate around the upper end during the clamping process. In this design, the left clamp arm 201 and the right clamp arm 202 perform a centered translational action; the control of the clamping pressure and time is actually determined by the control system of the power tool, that is, a pressure sensor 4 is embedded and attached to the clamping surface of the left clamp head 204 or the right clamp head 205, and the PLC sets the upper pressure threshold, and the PLC obtains the data of the pressure sensor 4 At the same time, the timing unit is instructed to start timing. After the timing ends, the reduction motor 301 is instructed to run in the reverse direction, and the clamping is completed. Before the operation, the anesthetized mouse should be placed on the mouse placement table. At this time, the space between the left clamp arm 201, the right clamp arm 202 and the mouse placement table is very small, which is not conducive to operation. For this reason, a locking bolt 9 is designed. After loosening the locking bolt 9, the beam 1 can rotate around the connecting axis of the locking bolt 9 through the fixing plate 803, and the tool is rotated away from the mouse placement table. After the mouse is placed, the tool is rotated back. After it is in place, the locking bolt 9 is tightened to fix the tool and the operating table 6. Then the lifting cylinder 802 is controlled to lift and lower through the display screen until the left clamp arm 201 and the right clamp arm 202 are adjusted to the appropriate position relative to the spinal cord bone, and the maximum clamping pressure and the clamping time are adjusted. Press the start key and the tool starts working.The structure of the present invention is reasonable. Through the cooperation of the reduction motor 301, the double-headed screw 303, the left clamp arm 201 and the right clamp arm 202, the left clamp head 204 and the right clamp head 205 can clamp the mouse spinal cord. By embedding the pressure sensor 4 on the clamping surface of the left clamp arm 201 or the right clamp arm 202, the clamping force can be guaranteed to be consistent each time. Then, through the cooperation of the touch module 7, the clamping time and the clamping speed can be controlled, thereby greatly improving the accuracy of the experimental results. The mouse placement table 10 adopts the first placement table 101 and the second placement table 102. In a batch laboratory, equipment work can be carried out, and the mouse to be tested is placed on the spare placement table. After the experiment of the previous mouse is completed, it can be directly The mouse placement table 10 is pushed to greatly improve the experimental efficiency; a heating unit is provided in the first placement table 101 and the second placement table 102 to ensure that the temperature of the first placement table 101 and the second placement table 102 is consistent with the body temperature of the mouse, thereby avoiding the death of the mouse due to the anesthesia effect; a double-headed screw 303 is used to control the movement of the left clamp arm 201 and the right clamp arm 202, thereby ensuring the symmetrical clamping of the left clamp arm 201 and the right clamp arm 202, ensuring the accuracy during clamping and reducing the error caused by offset; the beam 1 can rotate around the locking bolt 9, and the beam 1 can be lifted and lowered by the lifting cylinder 802, thereby facilitating the clamping experiment operation; the structure is simple, easy to install and disassemble, and easy to clean.

[0036] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0037] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. An automatic clamping tool for a spinal cord injury animal model, characterized in that: It comprises an operating table, a clamping mechanism and a touch module; the clamping mechanism comprises a crossbeam, a clamping assembly, a clamping driver and a pressure sensor; a slide slot is vertically passed through one end of the crossbeam, and the other end is arranged on the operating table; the upper end of the clamping assembly passes through the slide slot and is connected to the clamping driver, and the lower end of the clamping assembly extends toward the operating table surface; the clamping driver is installed on the crossbeam to drive the clamping action of the clamping assembly; the pressure sensor is installed at the lower end of the clamping assembly to sense the clamping force data; the touch module is installed on the operating table to control the start and stop of the clamping driver, the clamping time, and adjust the pressure value of the pressure sensor; The clamp assembly comprises a left clamp arm, a right clamp arm and a guide rod; the guide rod passes through the left clamp arm and the right clamp arm respectively, and the guide rod is mounted in the slide groove; the upper end of the left clamp arm and the upper end of the right clamp arm are respectively connected to the clamp driver; The clamp driver comprises a reduction motor, a clamp box and a double-headed screw; the clamp box cover is arranged on the slide slot, the reduction motor is installed on the crossbeam, the output shaft of the reduction motor passes through the clamp box and extends into the clamp box, and the output shaft in the clamp box is keyed to a driving gear; the double-headed screw is mounted on the clamp box, the threaded sections at both ends of the double-headed screw are respectively threadedly connected to the left clamp arm and the right clamp arm, the middle section of the double-headed screw is keyed to a driven gear, and the driving gear and the driven gear are meshed and connected; It also includes a beam mounting seat assembly, which includes a mounting seat and a lifting cylinder; the mounting seat is arranged on the operating table, the lifting cylinder is installed on the mounting seat, and the piston rod end of the lifting cylinder is connected to the beam and away from one end of the slide groove; the lifting cylinder is electrically connected to the touch module.

2. The automatic clamping tool for a spinal cord injury animal model according to claim 1, characterized in that: The touch module includes a touch panel, a timing unit and a PLC; the touch panel integrates a lifting control key, a clamp driver start / stop key, a clamp force adjustment key and a clamp time adjustment key, and the lifting control key is used to control the extension and retraction action of the lifting cylinder; the PLC is electrically connected to the lifting cylinder, the pressure sensor and the clamp driver, respectively; the clamp force threshold and the clamp time threshold are preset according to the clamp force adjustment key and the clamp time adjustment key, and the clamp driver start / stop key is pressed to instruct the clamp driver to clamp through the PLC. When the clamp force reaches the preset clamp force threshold, the PLC instructs the timing unit to time. When the time data recorded by the timing unit reaches the clamp time threshold, the clamp driver is instructed through the PLC to stop the clamping action and reverse operation.

3. The automatic clamping tool for a spinal cord injury animal model according to claim 1, characterized in that: The mounting seat is mounted on the operating table via locking bolts.

4. The automatic clamping tool for a spinal cord injury animal model according to claim 1, characterized in that: It also includes a mouse placing table, which is installed on the operating table.

5. The automatic clamping tool for a spinal cord injury animal model according to claim 4, characterized in that: The mouse placement table has a built-in heating unit, which is electrically connected to the touch control module and is used to heat the mouse placement table.

6. The automatic clamping tool for a spinal cord injury animal model according to claim 5, characterized in that: The mouse placement table includes a first placement table and a second placement table, the first placement table and the second placement table are connected via a connecting plate, a wiring port is provided on one side of the first placement table, the wiring port is connected to the touch module via a cable, a placement slot is provided on the operating table, the first placement table and the second placement table are movably provided in the placement slot, and a plurality of cleaning holes are provided in the placement slot.

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