阅读说明：本技术 一种脊柱骨性终板处理工具 (Spinal bone end plate processing tool ) 是由 李嘉 王旭 王林峰 童通 申勇 孔繁龙 滑子健 张静涛 薄加深 牛瑞杰 刘钊 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种脊柱骨性终板处理工具,包括持板与连接件,所述移动件一端固定连接有连接件,所述连接块另一端设置有电磁驱动装置,所述电磁驱动装置内部设置有半球形保护罩,所述半球形保护罩内部设置有金属杆,所述金属杆外设置有线圈,所述线圈一端电性连接有小型电源,所述金属杆顶端转动连接有上咬合夹,所述金属杆底端转动连接有下弧形固定夹,所述持板外设置有第一控制开关,所述第一控制开关一端电性连接有第一驱动电机,所述持板外设置有第二控制开关,所述第二控制开关一端电性连接有第二驱动电机,能够对骨性终板进行咬合固定,同时,利用上咬合夹底端设置的咬合角齿,能够提高咬合装置的咬合力度,保证对骨性终板的脱离成功率。(The invention discloses a spinal bone end plate processing tool, which comprises a holding plate and a connecting piece, wherein one end of the moving piece is fixedly connected with the connecting piece, the other end of the connecting piece is provided with an electromagnetic driving device, a hemispherical protective cover is arranged inside the electromagnetic driving device, a metal rod is arranged inside the hemispherical protective cover, a coil is arranged outside the metal rod, one end of the coil is electrically connected with a small power supply, the top end of the metal rod is rotatably connected with an upper occlusion clamp, the bottom end of the metal rod is rotatably connected with a lower arc-shaped fixing clamp, a first control switch is arranged outside the holding plate, one end of the first control switch is electrically connected with a first driving motor, a second control switch is arranged outside the holding plate, one end of the second control switch is electrically connected with a second driving motor, the bone end plate can be occluded and fixed, and meanwhile, by utilizing occlusion angle teeth arranged at the bottom end of the upper occlusion clamp, can improve the occlusion force of the occlusion device and ensure the success rate of the separation of the bony end plates.)

1. A vertebral endplate treatment tool comprises a holding plate (1) and a connecting piece (2), and is characterized in that: a first connecting shell (101) is arranged in the holding plate (1), a first driving motor (102) is arranged in the first connecting shell (101), one end of the first driving motor (102) is rotatably connected with a threaded rod (103), the threaded rod (103) is in threaded connection with the inside of a moving member (9), a rotating hole (903) is arranged in the moving member (9), one end of the moving member (9) is fixedly connected with a connecting member (2), a second driving motor (202) is arranged in the connecting member (2), one end of the second driving motor (202) is rotatably connected with a lead screw (203), a moving block (204) is arranged outside the lead screw (203), two moving blocks (204) are arranged, a connecting block (208) is arranged at one end of each of the two moving blocks (204), and an electromagnetic driving device (8) is arranged at the other end of the connecting block (208), the electromagnetic driving device is characterized in that a hemispherical protection cover (801) is arranged inside the electromagnetic driving device (8), a metal rod (802) is arranged inside the hemispherical protection cover (801), a coil (803) is arranged outside the metal rod (802), one end of the coil (803) is electrically connected with a small power supply (804), an upper occlusion clamp (6) is connected to the top end of the metal rod (802) in a rotating mode, a lower arc-shaped fixing clamp (7) is connected to the bottom end of the metal rod (802) in a rotating mode, a first control switch (11) is arranged outside a holding plate (1), one end of the first control switch (11) is electrically connected with a first driving motor (102), a second control switch (12) is arranged outside the holding plate (1), and one end of the second control switch (12) is electrically connected with a second driving motor (202).

2. The vertebral endplate treatment tool of claim 1, wherein: the novel connecting plate is characterized in that a first connecting shell (101) is arranged inside the holding plate (1), a wedge block (104) is arranged inside the first connecting shell (101), and two wedge blocks (104) are arranged.

3. The vertebral endplate treatment tool of claim 2, wherein: a main body (901) is arranged inside the moving piece (9), clamping grooves (902) are formed in two sides of the main body (901), and the clamping grooves (902) are clamped with the wedge-shaped blocks (104).

4. The vertebral endplate treatment tool of claim 1, wherein: the movable part (9) is internally provided with a rotating hole (903), a moving thread (904) is arranged in the rotating hole (903), and the moving thread (904) is in threaded connection with the threaded rod (103).

5. The vertebral endplate treatment tool of claim 4, wherein: the connecting piece (2) is internally provided with a second connecting shell (201), the second driving motor (202) is arranged inside the second connecting shell (201), the upper end and the lower end of the screw rod (203) are respectively provided with a limiting rod (205), and the limiting rods (205) penetrate through the moving block (204).

6. The vertebral endplate treatment tool of claim 5, wherein: the other end of the screw rod (203) is rotatably connected with a fixing block (206), threads in opposite directions are arranged outside the screw rod (203), and a limiting sleeve ring (207) is arranged outside the screw rod (203).

7. The vertebral endplate treatment tool of claim 1, wherein: the anti-skidding structure is characterized in that anti-skidding grains (4) are arranged at one end of the holding plate (1), a fixing hole (5) is formed in one end of the holding plate (1), moving parts (9) are arranged between the holding plate (1) and the connecting piece (2), one end of each moving part (9) is arranged inside the holding plate (1), and the other end of each moving part (9) is fixedly connected with the connecting piece (2).

8. The vertebral endplate treatment tool of claim 7, wherein: the improved structure is characterized in that the number of the meshing devices (3) is two, one ends of the two meshing devices (3) are fixedly connected with connecting blocks (208), the meshing clamps (6) are arranged inside the meshing devices (3), meshing angle teeth (10) are arranged at the bottom ends of the upper meshing clamps (6), and the meshing angle teeth (10) are provided with a plurality of parts.

9. The vertebral endplate treatment tool of claim 8, wherein: the electromagnetic driving device (8) is internally provided with a hemispherical protection cover (801), the metal rod (802) is arranged inside the hemispherical protection cover (801), and the hemispherical protection cover (801) is made of titanium alloy.

10. The vertebral endplate treatment tool of claim 9, wherein: the surfaces of the upper occlusion clamp (6) and the lower arc-shaped fixing clamp (7) are both provided with medical antibacterial coatings, and the lower arc-shaped fixing clamp (7) is in a semi-arc shape.

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a spinal vertebral endplate processing tool.

Background

The spine is a support of a body, is positioned in the center of the back, is connected with a skull at the upper end, reaches the tip of a coccyx at the lower end, is divided into five sections, namely a neck section, a chest section, a waist section, a sacrum section and a tail section, is long at the upper part, can move, is similar to a bracket, is hung on the chest wall and the abdominal wall, is short at the lower part, is relatively fixed, and the weight of the body and the vibration received by the body are transmitted to lower limbs from the weight of the body and the abdominal wall.

The bony end plate is a bone plate formed after ossification of an epiphyseal plate on the upper surface and the lower surface of a vertebral body is stopped in the growth and development process of the vertebral body, the epiphyseal plate is slightly sunken and is the bony end plate, the center of the bony end plate is still covered by a thin layer of transparent cartilage and exists for the whole life, the epiphyseal plate is the cartilage end plate, the upper cartilage end plate and the lower cartilage end plate are connected with nucleus pulposus and fibrous rings to form an intervertebral disc together, the vertebral end plate forms the upper boundary and the lower boundary of the intervertebral disc, and the cancellous bone positioned in the center of the vertebral body is positioned between the intervertebral disc and the intervertebral disc.

At present, when a spine of a patient is subjected to fusion, a spine surgeon needs to remove cartilage end plates on opposite surfaces of an intervertebral disc and the spine, treated intervertebral spaces are filled with bone substances, a fusion device is filled with the bone substances, and the adjacent two vertebral bodies are subjected to osseous fusion, so that the stability of the spine is recovered.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the existing defects and provides a tool for processing vertebral column bone end plates, so as to solve the problems that the bone end plates below the vertebral column cartilage end plates are cortical bones, the blood supply is difficult to be provided for bone implanted in intervertebral spaces, the intervertebral bone fusion needs a long time, and meanwhile, when the spinal fusion operation is performed, the processing between two adjacent vertebral column bone end plates is needed to manufacture a reasonable operation environment.

In order to achieve the purpose, the invention provides the following technical scheme: a vertebral endplate treatment tool comprises a holding plate and a connecting piece, wherein a first connecting shell is arranged inside the holding plate, a first driving motor is arranged inside the first connecting shell, one end of the first driving motor is rotatably connected with a threaded rod, the threaded rod is in threaded connection inside a moving piece, a rotating hole is formed inside the moving piece, one end of the moving piece is fixedly connected with the connecting piece, a second driving motor is arranged inside the connecting piece, one end of the second driving motor is rotatably connected with a lead screw, two moving blocks are arranged outside the lead screw, one ends of the two moving blocks are both provided with a connecting block, the other end of the connecting block is provided with an electromagnetic driving device, a hemispherical protective cover is arranged inside the electromagnetic driving device, a metal rod is arranged inside the hemispherical protective cover, and a coil is arranged outside the metal rod, coil one end electric connection has small-size power, the metal pole top is rotated and is connected with the interlock and press from both sides, the metal pole bottom is rotated and is connected with down the arc fixation clamp, it is provided with first control switch to hold the board outward, first control switch one end electric connection has first driving motor, it is provided with second control switch to hold the board outward, second control switch one end electric connection has second driving motor.

Preferably, a first connecting shell is arranged inside the holding plate, a wedge block is arranged inside the first connecting shell, and the number of the wedge blocks is two.

Preferably, the inside main part that is provided with of moving member, the main part both sides all are provided with the joint groove, the joint groove is the joint with the wedge.

Preferably, a rotating hole is formed in the moving piece, a moving thread is arranged in the rotating hole, and the moving thread is in threaded connection with the threaded rod.

Preferably, a second connecting shell is arranged in the connecting piece, the second driving motor is arranged in the second connecting shell, limiting rods are arranged at the upper end and the lower end of the screw rod, and the limiting rods penetrate through the moving block.

Preferably, the other end of the screw rod is rotatably connected with a fixed block, threads in opposite directions are arranged outside the screw rod, and a limiting sleeve ring is arranged outside the screw rod.

Preferably, the holding plate is provided with anti-skidding lines at one end, the holding plate is provided with a fixing hole at one end, moving parts are arranged between the holding plate and the connecting part, one end of each moving part is arranged inside the holding plate, and the connecting part is fixedly connected to the other end of each moving part.

Preferably, the number of the meshing devices is two, one ends of the two meshing devices are fixedly connected with connecting blocks, an upper meshing clamp is arranged inside the two meshing devices, meshing angle teeth are arranged at the bottom end of the upper meshing clamp, and the meshing angle teeth are provided with a plurality of teeth.

Preferably, the inside hemisphere safety cover that is provided with of electromagnetic drive device, the metal pole sets up inside the hemisphere safety cover, the material of hemisphere safety cover is titanium alloy.

Preferably, the surfaces of the upper occlusion clamp and the lower arc-shaped fixing clamp are both provided with medical antibacterial coatings, and the lower arc-shaped fixing clamp is in a semi-arc shape.

Compared with the prior art, the invention provides a tool for processing vertebral column bone end plates, which has the following beneficial effects:

1. according to the invention, through the arranged holding plate, when a patient is subjected to spinal fusion surgery, damaged tissues such as intervertebral discs and the like need to be treated, the first driving motor arranged in the holding plate can drive the threaded rod at one end to rotate, the moving member with one end rotatably connected can be driven to move through the rotation of the threaded rod, and the bone end plates between the damaged adjacent intervertebral discs of the patient can be treated through the occlusion device with one end fixedly connected with one end of the moving member;

2. according to the invention, through the arranged occlusion device, when the bony end plate is treated, the arranged lower arc-shaped fixing clip can be inserted into the bottom of the concave bony end plate, meanwhile, the arranged upper occlusion clip can be used for occluding and fixing the bony end plate, and the arranged moving piece can be used for separating the bony end plate;

3. according to the invention, through the arranged connecting piece, in order to ensure complete separation of the bony end plate and prevent tissue residues, the second driving motor is arranged to rotate, the screw rod at one end can be driven to rotate, so that the two moving blocks arranged outside the screw rod are driven to move, the two moving blocks can be close to or far away from each other by using the threads in opposite directions arranged outside the screw rod, and then the two occlusion devices are driven to be close to or far away from each other, through the mode, the lower arc-shaped fixing clamps arranged inside the two occlusion devices can move after being inserted into the bony end plate, so that the bottom of the bony end plate is completely separated from the intervertebral disc, and the upper occlusion clamp is used for occlusion, so that the separation rate of the bony end plate can be greatly improved;

4. according to the invention, through the arranged electromagnetic driving device, when the bony end plate is separated, the metal rod arranged in the electromagnetic driving device is utilized, and the coil wound outside the metal rod is electrified, so that the metal rod can generate magnetism, and the upper occlusion clamp and the lower arc-shaped fixing clamp which are rotatably connected outside the metal rod can be occluded, and through the way, the bony end plate can be occluded and fixed, and meanwhile, the occlusion force of the occlusion device can be improved and the separation success rate of the bony end plate is ensured by utilizing a plurality of occlusion angle teeth arranged at the bottom end of the upper occlusion clamp;

5. according to the invention, through the arranged first control switch, when the bone end plate is treated, the adjustment of the occlusion force and the moving speed is required, through the first control switch arranged outside the holding plate, the rotating speed of the threaded rod can be controlled by utilizing the first driving motor electrically connected with one end of the first control switch, so that the moving speed of the moving piece is controlled, and on the other hand, through the arranged second control switch, the moving speed between the two occlusion devices can be controlled by utilizing the second driving motor electrically connected with one end of the second control switch, so that the damage to the soft tissue structure between the bone end plate and the intervertebral disc caused by the fact that the two occlusion devices move too fast is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic structural view of a tool for treating vertebral endplates according to the present invention;

FIG. 2 is a side view of a spinal endplate treatment tool in accordance with the present invention;

FIG. 3 is a cross-sectional view of a retaining plate of a tool for treating vertebral endplates in accordance with the present invention;

FIG. 4 is a schematic diagram of the internal structure of an electromagnetic driving device in a tool for treating vertebral endplates according to the present invention;

FIG. 5 is a schematic structural view of a moving member of the vertebral endplate treatment tool according to the present invention;

FIG. 6 is a cross-sectional view of a connector in a spinal endplate treatment tool of the present invention;

FIG. 7 is an enlarged view of A of FIG. 1 of a spinal endplate treatment tool of the present invention;

FIG. 8 is an enlarged view of B of FIG. 2 of a spinal endplate treatment tool of the present invention;

in the figure: 1. holding the plate; 101. a first connection housing; 102. a first drive motor; 103. a threaded rod; 104. a wedge block; 2. a connecting member; 201. a second connection housing; 202. a second drive motor; 203. a screw rod; 204. a moving block; 205. a limiting rod; 206. a fixed block; 207. a limiting lantern ring; 208. connecting blocks; 3. an engaging device; 4. anti-skid lines; 5. a fixing hole; 6. an upper occlusion clip; 7. a lower arc-shaped fixing clamp; 8. an electromagnetic drive device; 801. a hemispherical protective cover; 802. a metal rod; 803. a coil; 804. a small power supply; 9. a moving member; 901. a main body; 902. a clamping groove; 903. rotating the hole; 904. moving the screw thread; 10. engaging the angular teeth; 11. a first control switch; 12. a second control switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution for a tool for treating vertebral endplates: a spinal bone endplate processing tool comprises a holding plate 1 and connecting pieces 2, wherein a first connecting shell 101 is arranged inside the holding plate 1, a first driving motor 102 is arranged inside the first connecting shell 101, one end of the first driving motor 102 is rotatably connected with a threaded rod 103, the threaded rod 103 is in threaded connection with the inside of a moving piece 9, a rotating hole 903 is formed inside the moving piece 9, one end of the moving piece 9 is fixedly connected with the connecting piece 2, a second driving motor 202 is arranged inside the connecting piece 2, one end of the second driving motor 202 is rotatably connected with a lead screw 203, a moving block 204 is arranged outside the lead screw 203, two moving blocks 204 are arranged, one ends of the two moving blocks 204 are respectively provided with a connecting block 208, the other end of the connecting block 208 is provided with an electromagnetic driving device 8, a hemispherical protective cover 801 is arranged inside the electromagnetic driving device 8, a metal rod 802 is arranged inside the hemispherical protective cover 801, and a coil 803 is arranged outside the metal rod 802, one end of the coil 803 is electrically connected with a small-sized power source 804, the top end of the metal rod 802 is rotatably connected with an upper occlusion clamp 6, the bottom end of the metal rod 802 is rotatably connected with a lower arc-shaped fixing clamp 7, a first control switch 11 is arranged outside the holding plate 1, one end of the first control switch 11 is electrically connected with a first driving motor 102, a second control switch 12 is arranged outside the holding plate 1, one end of the second control switch 12 is electrically connected with a second driving motor 202, the second driving motor 202 is arranged to rotate, the lead screw 203 at one end can be driven to rotate, so that the two moving blocks 204 arranged outside the lead screw 203 are driven to move, the two moving blocks 204 can be close to or far away from each other by using the threads in opposite directions arranged outside the lead screw 203, so as to drive the two occlusion devices 3 to be close to or far away from each other, and in this way, the lower arc-shaped fixing clamp 7 arranged inside the two occlusion devices 3 can move after being inserted into the bone end plate, completely separating the bottom of the bony endplate from the intervertebral disc.

In the invention, preferably, the first connecting shell 101 is arranged in the holding plate 1, the two wedge blocks 104 are arranged in the first connecting shell 101, and the two wedge blocks 104 are arranged, so that the engaging device 3 can move more stably through the arranged wedge blocks 104, and the engaging stability is ensured.

In the invention, preferably, the main body 901 is arranged inside the moving member 9, the clamping grooves 902 are arranged on both sides of the main body 901, the clamping grooves 902 are clamped with the wedge-shaped blocks 104, and the clamping grooves 902 arranged inside the moving member 9 are matched with the wedge-shaped blocks 104 arranged inside the holding plate 1, so that the engagement device 3 can move more stably, and the stability of engagement is ensured.

In the present invention, preferably, a rotation hole 903 is formed in the moving member 9, a moving thread 904 is formed in the rotation hole 903, the moving thread 904 is in threaded connection with the threaded rod 103, and the first driving motor 102 electrically connected to one end of the first control switch 11 can control the rotation speed of the threaded rod 103, thereby controlling the moving speed of the moving member 9.

In the invention, preferably, the second connecting shell 201 is arranged inside the connecting piece 2, the second driving motor 202 is arranged inside the second connecting shell 201, the upper end and the lower end of the screw rod 203 are both provided with the limiting rods 205, the limiting rods 205 are arranged inside the moving blocks 204 in a penetrating manner, the other end of the screw rod 203 is rotatably connected with the fixing block 206, the screw rod 203 is externally provided with threads in opposite directions, the screw rod 203 is externally provided with the limiting lantern ring 207, the two moving blocks 204 can be close to or separated from each other by utilizing the threads in opposite directions arranged outside the screw rod 203, and then the two occluding devices 3 are driven to be close to or far away from each other, and by means of the mode, the lower arc-shaped fixing clips 7 arranged inside the two occluding devices 3 can be moved after being inserted into the bony endplate, so that the bottom of the bony endplate is completely separated from the intervertebral disc.

In the invention, preferably, one end of a holding plate 1 is provided with anti-skid grains 4, one end of the holding plate 1 is provided with a fixing hole 5, a moving member 9 is arranged between the holding plate 1 and a connecting member 2, one end of the moving member 9 is arranged inside the holding plate 1, the other end of the moving member 9 is fixedly connected with the connecting member 2, the moving member 9 with one end rotatably connected can be driven to move through the rotation of a threaded rod 103, and the bony end plate between the adjacent damaged intervertebral discs of a patient can be treated through an occlusion device 3 fixedly connected with one end of the moving member 9.

In the invention, preferably, two occluding devices 3 are arranged, one end of each of the two occluding devices 3 is fixedly connected with a connecting block 208, an upper occluding clamp 6 is arranged in each of the two occluding devices 3, the bottom end of each upper occluding clamp 6 is provided with a plurality of occluding angle teeth 10, and the plurality of occluding angle teeth 10 arranged at the bottom end of each upper occluding clamp 6 are utilized to improve the occluding force of each occluding device 3 and ensure the success rate of separation of the bony end plates.

In the present invention, it is preferable that a hemispherical protection cover 801 is provided inside the electromagnetic driving device 8, a metal rod 802 is provided inside the hemispherical protection cover 801, the material of the hemispherical protection cover 801 is titanium alloy, and the metal rod 802 provided inside the electromagnetic driving device 8 is used to generate magnetism in the metal rod 802 by energizing a coil 803 wound around the outside of the metal rod 802, so that the upper engaging clip 6 and the lower arc-shaped fixing clip 7 rotatably connected outside the metal rod 802 can be engaged.

In the invention, preferably, the surfaces of the upper occlusion clamp 6 and the lower arc-shaped fixing clamp 7 are both provided with medical antibacterial coatings, the lower arc-shaped fixing clamp 7 is in a half arc shape, the wrapping property of the bony end plate can be improved through the shape of the half arc-shaped lower arc-shaped fixing clamp 7, when the bony end plate is treated, the lower arc-shaped fixing clamp 7 can be inserted into the bottom of the concave bony end plate, and meanwhile, the set upper occlusion clamp 6 can be used for occluding and fixing the bony end plate.

The working principle and the using process of the invention are as follows: when the device is used, when a spinal fusion operation is performed on a patient, tissue structures such as damaged intervertebral discs and the like need to be processed, the first driving motor 102 arranged in the holding plate 1 can drive the threaded rod 103 at one end to rotate, the moving member 9 with one end rotatably connected can be driven to move through the rotation of the threaded rod 103, the bone end plates between adjacent intervertebral discs damaged by the patient can be processed through the occlusion device 3 fixedly connected with one end of the moving member 9, in this way, the slow intervertebral disc inside of the occlusion device 3 can be driven, and then the bone end plates can be occluded, meanwhile, the wedge-shaped blocks 104 arranged in the holding plate 1 are matched by the clamping grooves 902 arranged in the moving member 9, the occlusion device 3 can move more stably, the stability of occlusion is ensured, when the bone end plates are processed, the lower arc-shaped fixing clamps 7 are arranged, the bottom of the concave type bone end plate can be inserted, meanwhile, the set upper occlusion clamp 6 can be used for occluding and fixing the bone end plate, the set moving piece 9 can be reused for separating the bone end plate, the operation process can be simplified, the pain of a patient in the operation process can be reduced, on the other hand, the separation process of the bone end plate can be accelerated to the maximum extent by using the two set occlusion devices 3, in order to ensure the complete separation of the bone end plate and prevent the tissue residue, the set second driving motor 202 is used for rotating, the lead screw 203 at one end can be driven to rotate, so that the two moving blocks 204 arranged outside the lead screw 203 are driven to move, the two moving blocks 204 can be close to or far away from each other by using the threads in opposite directions arranged outside the lead screw 203, and then the two occlusion devices 3 are driven to be close to or far away from each other, by the mode, the lower arc-shaped fixing clamps 7 arranged in the two occluding devices 3 can be moved after being inserted into the bony end plates, so that the bottoms of the bony end plates are completely separated from intervertebral discs, the upper occluding clamps 6 are used for occluding, the separation rate of the bony end plates can be greatly improved, when the bony end plates are separated, the metal rods 802 arranged in the electromagnetic driving device 8 are used, the coils 803 wound outside the metal rods 802 are electrified, the metal rods 802 can generate magnetism, and the upper occluding clamps 6 and the lower arc-shaped fixing clamps 7 which are rotatably connected outside the metal rods 802 can be occluded, so that the bony end plates can be occluded and fixed, meanwhile, the occlusion force of the occluding devices 3 can be improved by the plurality of occluding angle teeth 10 arranged at the bottom ends of the upper occluding clamps 6, the separation success rate of the bony end plates is ensured, when the bone end plate is processed, the adjustment of the occlusion force and the moving speed is needed, the first control switch 11 is arranged outside the holding plate 1, the first driving motor 102 electrically connected with one end of the first control switch 11 is utilized, the rotating speed of the threaded rod 103 can be controlled, and therefore the moving speed of the moving piece 9 is controlled, on the other hand, the second control switch 12 is arranged, the second driving motor 202 electrically connected with one end of the second control switch 12 is utilized, the moving speed between the two occlusion devices 3 can be controlled, and the situation that the two occlusion devices 3 are moved too fast to damage the soft tissue structures between the bone end plate and the intervertebral disc is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.