Anterior cervical vertebra tissue exposure device for neck surgery

Abstract

The invention discloses an anterior cervical tissue exposure device for a neck operation. The device comprises a base, a cushion bearing mechanism and two traction mechanisms. A pillow plate of the cushion bearing mechanism is of a protruding plate structure matched with the anatomical structure of the posterior approach of the human neck, and comfortable neck support can be provided for a patient in cooperation with a pillow. A second supporting rod of the traction mechanism vertically stretches out and draws back, a mounting base rotates, and the opening and closing mechanism can drive side drag hooks to slide face to face or back to back through cooperation of a gear and a rack and arrangement of a limiting pin so as to meet the traction requirements of notches of different sizes. A first clamping plate on the base is adjusted to ascend and descend through a first threaded rod and used for fixing the device on an operating bed, a cushion bearing seat slides on the base and is limited, and the position of a traction mechanism on the pillow plate can be adjusted through a second threaded rod and other structures. According to the invention, the neck of a patient can be stably supported, the traction mechanism can be conveniently adjusted to fully expose an operation area, the convenience and accuracy of operation can be improved, and the requirements of different patients and operation scenes can be met.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to an anterior cervical vertebra tissue exposure device for cervical surgery. Background Art

[0002] Anterior cervical spine surgery is a commonly used surgical method for treating cervical spine diseases, such as cervical disc herniation, cervical spinal stenosis and other diseases. During the operation, the anterior cervical spine tissue needs to be fully exposed to facilitate the doctor's operation. At present, there are some shortcomings in the tissue exposure devices used in anterior cervical spine surgery. Some existing retractors need to be manually operated, which will make the doctor tired during long operations, and it is difficult to maintain a stable pulling force and position, affecting the stability of the surgical field of view. Some automatic retractors have complex structures and are inconvenient to adjust, making it difficult to flexibly adjust according to the patient's specific situation and surgical needs. In addition, the support device for the patient's neck is not perfect, and it cannot effectively make the patient's cervical spine present an appropriate curvature, affecting the smooth progress of the surgical operation.

[0003] Therefore, it is of great clinical significance to design an anterior cervical spine tissue exposure device that can stably support the patient's neck, conveniently adjust the traction mechanism to fully expose the surgical area, and has a simple structure and is easy to operate. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a cervical anterior approach tissue exposure device for cervical surgery. The device can support the patient's neck and pull the anterior cervical tissue from both sides of the patient's neck to fully expose the tissue and open the surgical field of view. At the same time, the opening and closing mechanism can meet the pulling requirements of incisions of different sizes. In order to achieve the above technical objectives, the present invention is implemented through the following technical solutions: A cervical spine anterior approach tissue exposure device for cervical surgery, comprising: a base, a support mechanism, and two pulling mechanisms; The support mechanism includes a support seat, two support rods A, a pillow plate, and a pillow pad; the support seat is slidably mounted on the base; the two support rods A are both vertically telescopic and have a fixed length after telescoping, and are respectively fixedly connected to the bottom ends of the support seat; the pillow plate is fixedly connected to the top ends of the two support rods; a pillow pad is laid on the upper surface of the pillow plate; the two pulling mechanisms are respectively slidably mounted on both sides of the pillow plate and slide in line with each other; The pulling mechanism includes a second support rod, a mounting seat, a closing and opening mechanism, and side hooks; the second support rod is a vertically telescopic and fixed-length rod after telescoping, with its bottom end slidably mounted on both sides of the pillow plate and its top end rotatably connected to the mounting seat; the closing and opening mechanism is slidably mounted on the mounting seat and rotates relative to the second support rod following the mounting seat; the middle of one end of the closing and opening mechanism is fixedly connected with a middle hook; the closing and opening mechanism outputs sliding in the opposite and away directions to drive the two side hooks to slide in the opposite and away directions; Further, both sides of the base are respectively C-shaped plates with horizontally opposite openings; a vertically lifting clamping plate A is slidably mounted inside the C-shaped plate; a first threaded rod is rotatably connected to the bottom surface of the clamping plate A; the bottom end of the first threaded rod vertically penetrates the C-shaped plate and is threadedly connected to the C-shaped plate; the first threaded rod drives the clamping plate A to lift inside the C-shaped plate by rotation; Further, a first slide rail is respectively fixedly connected to the bottom ends of the outer walls on both sides of the base; the cushion seat is a C-shaped plate-like structure with an open bottom, and slide blocks are respectively fixedly connected to the bottom ends of both sides; the slide blocks linearly slide on the first slide rail and are limited by the pin or spring pin after sliding; Further, the pillow plate is a convex plate structure adapted to the posterior anatomical structure of the human neck, located above the cushion seat, with a chute opened on the plate surface and a second slide rail fixedly connected below; the bottom end of the second support rod is fixedly connected with a slide block; a second threaded rod is threadedly connected through the slide block; the slide block is slidably inserted and mounted on the pillow plate through the chute and the second slide rail and slides on both sides of the pillow plate driven by the second threaded rod; Further, circular grooves are fixedly connected to the top ends of both second support rods; the two circular grooves are respectively located on the opposite sides of the two second support rods; an arc-shaped insertion plate is fixedly connected below each of the opposite ends of the two mounting seats; the two arc-shaped insertion plates are respectively inserted into the two circular grooves and rotate concentrically relative to the circular grooves; both the arc-shaped slide plate and the circular groove are structures with an arc-shaped cross-sectional trajectory, and the center of rotation is the center of rotation of the mounting seat relative to the second support rod; the arc-shaped insertion plate is limited by the pin or spring pin after sliding in the circular groove; Further, a third slide rail is fixedly connected to the upper surface of the mounting seat; the closing and opening mechanism includes a gear box, a gear, a first rack, a second rack, and a limit pin; one end of the gear box is fixedly connected with the middle hook, and the middle of the other end is rotatably connected with a third threaded rod; the other end of the third threaded rod is threadedly connected through the other end of the third slide rail; the rotation of the third threaded rod drives the closing and opening mechanism to slide on the mounting seat; the two hooks are respectively fixedly connected to one end of the first rack and the second rack and respectively form an L-shaped structure; Furthermore, the gear is rotatably mounted in the middle of the gear box; the rack A and the rack B are respectively engaged on both sides of the gear; the gear drives the rack A and the rack B to slide toward and away from each other by forward and reverse rotation, so that the two side hooks approach and move away from the middle hook; a limit pin is fixedly installed on one side of the gear box; the limit pin is a spring pin, located on one side of the gear, and after the gear rotates, the limit pin is inserted into the teeth of the gear to limit the gear; Furthermore, an arch groove shaped to protrude upward is formed on one of the side hooks connected to the rack A; when the rack A and the rack B slide toward each other, the end of the rack B slides through the arch groove; Furthermore, a groove that is concave upward is formed on the lower surface of the mounting seat, and when the mounting seat is rotated to a vertical position, the top end of the support rod B is embedded in the groove; The beneficial effects of the present invention are: The present invention provides a cervical spine anterior approach tissue exposure device for cervical surgery, which has the following beneficial effects: The present invention provides a support pad mechanism, and the convex plate structure of the pillow plate adapts to the posterior anatomical structure of the human neck. Together with the pillow pad, it can provide patients with comfortable neck support during surgery, improve the patient's comfort, and reduce interference with surgical operations due to unstable support.

[0005] The support rod B of the traction mechanism can be extended and retracted vertically, the mounting seat can be rotated, and the opening and closing mechanism can realize the sliding of the side retractor hooks toward and away from each other. The position, angle and strength of the traction can be flexibly adjusted according to surgical needs, fully exposing the surgical area and improving the convenience and accuracy of surgical operations.

[0006] The splint A on the base can be adjusted up and down through the threaded rod A, which is used to fix the position of the device on the operating table. The pad seat can slide and limit the position on the base. The traction mechanism on the pillow plate can be precisely adjusted through the threaded rod B and other structures. The entire device is easy to adjust and can adapt to the needs of different patients and surgical scenarios.

[0007] The opening and closing mechanism can accurately control the opening and closing distance of the side retractor through the coordination of gears and racks, as well as the setting of limit pins, to adapt to the pulling requirements of incisions of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0009] Figure 1It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a side view of the present invention from one perspective; Figure 3 It is a schematic diagram of the overall structure of the cushion mechanism and the pulling mechanism of the present invention; Figure 4 The present invention Figure 1 A magnified schematic diagram of the local structure at point A in the middle; Figure 5 The present invention Figure 1 A magnified schematic diagram of the local structure at point B in the middle; Figure 6 The present invention Figure 1 A magnified schematic diagram of the local structure at point C in the middle; Figure 7 is a top view of the present invention; Figure 8 FIG. 1 is a diagram of the present invention Figure 2 The enlarged schematic diagram of the local structure at D in the middle; Figure 9 The present invention Figure 7 A magnified schematic diagram of the local structure at E in the middle; Figure 10 The present invention Figure 3 Side view of; In the accompanying drawings, the components represented by the reference numerals are as follows: Base, 11-shaped plate, 12-plywood armor, 13-threaded rod armor, 14-slide rail armor, Pad mechanism, 21-pad seat, 211-slide seat, 22-support rod A, 23-pillow plate, 231-slide groove, 232-slide rail B, 24-pillow pad, Pulling mechanism, 31-support rod B, 311-slider, 312-threaded rod B, 313-round groove, 32-mounting seat, 321-arc insert, 322-slide rail C, 323-groove, 33- opening and closing mechanism, 331- gear box, 332- gear, 333- rack A, 334- rack B, 335- limit pin, 336- threaded rod C, 34- side hook, 341- arch groove, 35- middle hook. DETAILED DESCRIPTION

[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0011] Example 1 Please refer to Figures 1-10 , in this embodiment, an anterior cervical tissue exposure device for neck surgery includes: a base 1, a cushioning mechanism 2, and two traction mechanisms 3; each part works together to meet the needs of tissue exposure during neck surgery.

[0012] In this embodiment, the cushioning mechanism 2 includes a cushioning seat 21, two support rods A 22, a pillow plate 23, and a pillow cushion 24; the cushioning seat 21 is slidably installed on the base 1; the two support rods A 22 are both vertically equal-height telescopic and fixed-length rods after telescoping, and are respectively fixedly connected to both ends of the bottom of the cushioning seat 21; the pillow plate 23 is fixedly connected to the tops of the two support rods A 22; a pillow cushion 24 is laid on the upper surface of the pillow plate 23; the two traction mechanisms 3 are respectively slidably installed on both sides of the pillow plate 23 and slide collinearly with each other; In this device, for the cushioning mechanism 2: its core components include a cushioning seat 21, two support rods A 22, a pillow plate 23, and a pillow cushion 24. The cushioning seat 21 is designed as a U-shaped plate structure with an open bottom. This shape not only ensures the structural strength but also facilitates the installation in cooperation with the base 1. It is slidably installed on the slide rails A 14 fixed to the bottom ends of the outer walls on both sides of the base 1 through the slide seats fixedly connected to both sides of the bottom end. For precise positioning, after sliding in place, it can be limited by a pin or a spring pin. The two support rods A 22 are both vertically equal-height telescopic and fixed-length rods after telescoping. Their unique feature is that they adopt a multi-stage nested structure similar to a telescopic rod and are equipped with a threaded knob for length locking, and are respectively firmly fixedly connected to both ends of the bottom of the cushioning seat 21, playing a key supporting role. The pillow plate 23 is fixedly connected to the tops of the two support rods A 22. It is carefully designed as a convex plate structure to adapt to the posterior anatomical structure of the human neck and can perfectly fit the neck curve; a chute 231 is opened on the plate surface, and a slide rail B 232 is fixedly connected below. These structures provide a basis for the installation and adjustment of subsequent components; a soft and elastic pillow cushion 24 is laid on the upper surface of the pillow plate 23. The pillow cushion 24 is made of medical-grade silicone material and has ventilation holes inside. During the operation, it can provide comfortable support for the patient's neck and effectively prevent pressure ulcers. The two traction mechanisms 3 are respectively slidably installed on both sides of the pillow plate 23 and slide collinearly with each other to achieve precise traction operations.

[0013] In this embodiment, the pulling mechanism 3 includes a second support rod 31, a mounting seat 32, a closing and opening mechanism 33, and side hooks 34. The second support rod 31 is a vertically telescopic rod with a fixed length after telescoping. Its bottom end is slidably installed on both sides of the pillow plate 23, and its top end is rotatably connected to the mounting seat 32. The closing and opening mechanism 33 is slidably installed on the mounting seat 32 and rotates relative to the second support rod 31 along with the mounting seat 32. The middle of one end of the closing and opening mechanism 33 is fixedly connected to a middle hook 35. The closing and opening mechanism 33 outputs sliding in the opposite and away directions to drive the two side hooks 34 to slide in the opposite and away directions. In this device, the pulling mechanism 3 includes a second support rod 31, a mounting seat 32, a closing and opening mechanism 33, and side hooks 34. The second support rod 31 is also a vertically telescopic rod with a fixed length after telescoping. Its bottom end is slidably inserted and installed on the chute 231 and the second slide rail 232 on the pillow plate 23 through a fixedly connected slider 311. A second threaded rod 312 is threadedly connected through the slider 311. By rotating the second threaded rod 312, the second support rod 31 can be accurately driven to slide on both sides of the pillow plate 23 to achieve precise adjustment of the horizontal position. The top end is rotatably connected to the mounting seat 32. The specific connection method is as follows: Circular grooves 313 are fixedly connected to the top ends of the two second support rods 31. The two circular grooves 313 are respectively located on the opposite sides of the two second support rods 31. Below the opposite ends of the two mounting seats 32, an arc-shaped insertion plate 321 is fixedly connected. Both the arc-shaped insertion plate 321 and the circular groove 313 are structures with an arc-shaped cross-sectional trajectory, and the center of rotation is the center of rotation of the mounting seat 32 relative to the second support rod 31. The arc-shaped insertion plate 321 is inserted into the circular groove 313 and can rotate concentrically relative to the circular groove 313. After rotating to the appropriate angle, it is limited by a pin or a spring pin. The closing and opening mechanism 33 is slidably installed on the mounting seat 32 and rotates relative to the second support rod 31 along with the mounting seat 32. The middle of one end is fixedly connected to a middle hook 35. The closing and opening mechanism 33 drives the two side hooks 34 to slide in the opposite and away directions by outputting sliding in the opposite and away directions, thereby effectively pulling the tissues in the surgical area.

[0014] In this device, for the base 1: On both sides are C-shaped plates 11 with horizontally opposite openings. This structural design facilitates connection and fixation to the operating table. A vertically ascending and descending clamping plate 12 is slidably installed inside the C-shaped plate 11. A first threaded rod 13 is rotatably connected to the bottom surface of the clamping plate 12. The bottom end of the first threaded rod 13 vertically passes through the C-shaped plate 11 and is threadedly connected to the C-shaped plate 11. When it is necessary to fix the device, by rotating the first threaded rod 13, the clamping plate 12 can be driven to ascend and descend inside the C-shaped plate 11, thereby clamping the edge of the operating table to achieve stable fixation of the device.

[0015] In this device, the opening and closing mechanism 33: A slide rail C 322 is fixedly connected to the upper surface of the mounting seat 32, and the opening and closing mechanism 33 is installed thereon. It includes a gearbox 331, a gear 332, a rack A 333, a rack B 334, and a limit pin 335. One end of the gearbox 331 is fixedly connected to the middle hook 35, and the middle part of the other end is rotatably connected to a threaded rod C 336. The other end of the threaded rod C 336 is threadedly inserted through the other end of the slide rail C 322. Rotating the threaded rod C 336 can drive the opening and closing mechanism 33 to slide on the mounting seat 32; the gear 332 is rotatably installed in the middle of the gearbox 331. The rack A 333 and the rack B 334 are respectively engaged on both sides of the gear 332. By the forward and reverse rotation of the gear 332, the rack A 333 and the rack B 334 can be driven to slide towards and away from each other, thereby making the two side hooks 34 approach and move away from the middle hook 35; A limit pin 335 is fixedly installed on one side of the gearbox 331. The limit pin 335 is a spring pin and is located on one side of the gear 332. When the gear 332 rotates to a suitable position, the limit pin 335 is inserted into the teeth of the gear 332 to limit the gear 332, ensuring that the side hook 34 remains in the required position. In addition, an arched groove 341 that protrudes upward is formed on one side hook 34 connected to the rack A 333. When the rack A 333 and the rack B 334 slide towards each other, the end of the rack B 334 slides through the arched groove 341. This structural design can effectively prevent the two side hooks 34 from interfering when sliding towards each other. A groove 323 that is recessed upward is formed on the lower surface of the mounting seat 32. When the mounting seat 32 rotates to the vertical position, the top end of the support rod B 31 is embedded in the groove 323, facilitating the storage of the device.

[0016] In this embodiment, both sides of the base 1 are C-shaped plates 11 with horizontally opposite openings; A vertically lifting clamping plate A 12 is slidably installed inside the C-shaped plate 11; A threaded rod A 13 is rotatably connected to the bottom surface of the clamping plate A 12; The bottom end of the threaded rod A 13 vertically passes through the C-shaped plate 11 and is threadedly connected to the C-shaped plate 11; The threaded rod A 13 drives the clamping plate A 12 to lift inside the C-shaped plate 11 by rotation; In this embodiment, a slide rail A 14 is fixedly connected to the bottom ends of the outer walls on both sides of the base 1; The cushion seat 21 is a C-shaped plate structure with an open bottom, and slide seats are fixedly connected to both bottom ends; The slide seats linearly slide on the slide rail A 14 and are limited by the pin or spring pin after sliding; In this embodiment, the pillow plate 23 is a convex plate structure adapted to the anatomical structure of the posterior cervical region of the human body. It is located above the support seat 21 and has a slide groove 231 formed on the plate surface, with a slide rail B 232 fixedly connected below. The bottom end of the support rod B 31 is fixedly connected to the slider 311; a threaded rod B 312 is threadedly connected to the slider 311. The slider 311 is slidably connected to the pillow plate 23 through the slide groove 231 and the slide rail B 232, and is driven by the threaded rod B 312 to slide on both sides of the pillow plate 23. In this embodiment, the top ends of the two support rods B 31 are fixedly connected to a circular groove 313; the two circular grooves 313 are respectively located on the two outer sides of the two support rods B 31; the lower ends of the two mounting seats 32 are fixedly connected to an arc plug plate 321; the two arc plug plates 321 are respectively inserted into the two circular grooves 313 and rotate concentrically relative to the circular grooves 313; the arc slide plate and the circular groove 313 are both structures with a cross-sectional trajectory of a circular arc line, and the center of rotation is the center of rotation of the mounting seat 32 relative to the support rod B 31; the arc plug plate 321 is limited by a latch or a spring pin after sliding in the circular groove 313; In this embodiment, a slide rail C 322 is fixedly connected to the upper surface of the mounting seat 32; the opening and closing mechanism 33 includes a gear box 331, a gear 332, a rack A 333, a rack B 334, and a limit pin 335; one end of the gear box 331 is fixedly connected to the middle hook 35, and the middle part of the other end is rotatably connected to a threaded rod C 336; the other end of the threaded rod C 336 is threadedly connected to the other end of the slide rail C 322; the rotation of the threaded rod C 336 drives the opening and closing mechanism 33 to slide on the mounting seat 32; the two hooks are respectively fixedly connected to one end of the rack A 333 and the rack B 334, and each forms an L-shaped structure; In this embodiment, the gear 332 is rotatably mounted in the middle of the gear box 331; the rack A 333 and the rack B 334 are respectively meshed with the two sides of the gear 332; the gear 332 drives the rack A 333 and the rack B 334 to slide toward and away from each other by forward and reverse rotation, so that the two side hooks 34 move closer to and away from the middle hook 35; a limiting pin 335 is fixedly installed on one side of the gear box 331; the limiting pin 335 is a spring pin, located on one side of the gear 332. After the gear 332 rotates, the limiting pin 335 is inserted into the teeth of the gear 332 to limit the gear 332; In this embodiment, an upwardly protruding arch groove 341 is formed on one of the side hooks 34 connected to the rack A 333 ; when the rack A 333 and the rack B 334 slide toward each other, the end of the rack B 334 slides through the arch groove 341 ; In this embodiment, a groove 323 is formed on the lower surface of the mounting seat 32. When the mounting seat 32 is rotated to a vertical position, the top end of the support rod B 31 is embedded in the groove 323. In this embodiment, the specific use process of a cervical spine anterior approach tissue exposure device for neck surgery is as follows: Device installation and preparation: Place the base 1 at a suitable position on the operating table, and lower the splint plate 12 by rotating the threaded rod 13 to clamp the edge of the operating table and fix the position of the base 1.

[0017] According to the cervical curvature required for the operation, the heights of the two support rods 22 are adjusted so that the pillow plate 23 is at a suitable height, and then the support rods 22 are locked at this height by fixing members (such as bolts, etc.).

[0018] The support seat 21 is installed on the slide rail 14 of the base 1 through a slide seat. According to the position of the patient's neck, the support seat 21 is slid to a suitable position, and a pin or spring pin is inserted to limit the position.

[0019] The bottom end of support rod B 31 is mounted on the slide groove 231 and slide rail B 232 of the bolster 23 via the slider 311. According to surgical requirements, the threaded rod B 312 is rotated to adjust the lateral position of support rod B 31 on the bolster 23, positioning the traction mechanism 3 in the appropriate traction position. Specifically, the traction mechanism 3 is slid outward. After the patient lies down, the traction mechanism 3 is slid to the sides of the incision, depending on the patient's neck thickness and incision location. The mounting seat 32 is connected to the circular groove 313 at the top of the support rod B 31 through the arc insert plate 321. According to the needs of the operation, after the mounting seat 32 is rotated to a suitable angle, a pin or spring pin is inserted to limit the rotation angle of the mounting seat 32.

[0020] Install the opening and closing mechanism 33 on the slide rail C 322 of the mounting base 32, and ensure that the gear box 331, gear 332, rack A 333, rack B 334 and other components are installed correctly and can work normally.

[0021] Used during surgery: The patient lies supine on the operating table with the head placed on the pillow 24 of the pillow board 23 so that the neck is in a suitable curvature.

[0022] The doctor adjusts the pulling mechanism 3 according to the needs of the operation. If the pulling height needs to be adjusted, the vertical telescopic length of the support rod B 31 can be adjusted again and fixed.

[0023] If the pulling angle needs to be adjusted, the limiting pin or spring pin of the mounting seat 32 can be loosened, and the mounting seat 32 can be rotated to a suitable angle and then limited again.

[0024] To adjust the opening and closing mechanism 33, rotate the threaded rod C 336 to slide the opening and closing mechanism 33 onto the mounting base 32 to the desired position. Then, rotate the gear 332. Through the meshing of the gear 332 with the racks A 333 and B 334, the two side retractors 34 slide toward or away from each other, pulling tissue in the surgical area. The center retractor 35 also assists in the pulling process. Once the desired pulling force and distance are achieved, insert the stop pin 335 into the teeth of the gear 332 to limit the position of the gear 332 and maintain the position of the side retractors 34.

[0025] During the operation, the doctor can fine-tune the position, angle and opening and closing distance of the pulling mechanism 3 at any time according to the actual situation to keep the operation area fully exposed.

[0026] Post-operative cleaning and storage: After the operation is completed, the limiting pin 335 is first pulled out from the gear 332, and the gear 332 is rotated to reset the side retractor 34.

[0027] The threaded rod C 336 is rotated to slide the opening and closing mechanism 33 to the initial position.

[0028] Release the limiting latch or spring pin of the mounting seat 32 and rotate the mounting seat 32 to a vertical position. At this time, the top end of the support rod B 31 is embedded in the groove 323 on the lower surface of the mounting seat 32 for easy storage.

[0029] Slide the support seat 21 off the slide rail A 14 on the base 1 and remove the support rod B 31 and other components.

[0030] Clean and disinfect all parts of the device in preparation for next use.

[0031] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A cervical spine anterior tissue exposure device for cervical surgery, characterized in that: Including: A base, a cushioning mechanism, and two pulling mechanisms; The cushioning mechanism includes a cushioning seat, two support rods A, a pillow board, and a pillow cushion; the cushioning seat is slidably installed on the base; the two support rods A are both vertically equal-height telescopic and fixed-length rods after telescoping, and are respectively fixedly connected to both ends of the bottom of the cushioning seat; the pillow board is fixedly connected to the tops of the two support rods; a pillow cushion is laid on the upper surface of the pillow board; the two pulling mechanisms are respectively slidably installed on both sides of the pillow board and slide collinearly with each other; The pulling mechanism includes a support rod B, a mounting seat, a closing and opening mechanism, and a side pulling hook; the support rod B is a vertically telescopic and fixed-length rod after telescoping, the bottom end is slidably installed on both sides of the pillow board, and the top end is rotatably connected to a mounting seat; the closing and opening mechanism is slidably installed on the mounting seat and rotates relative to the support rod B following the mounting seat; the middle of one end of the closing and opening mechanism is fixedly connected to a middle pulling hook; the closing and opening mechanism outputs sliding in the opposite and away directions to drive the two side pulling hooks to slide in the opposite and away directions.

2. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: On both sides of the base are respectively C-shaped plates with horizontally opposite openings; a vertically lifting clamping plate A is slidably installed in the C-shaped plate; a threaded rod A is rotatably connected to the bottom surface of the clamping plate A; the bottom end of the threaded rod A vertically passes through the C-shaped plate and is threadedly connected to the C-shaped plate; the threaded rod A drives the clamping plate A to lift in the C-shaped plate by rotation.

3. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: At the bottom ends of the outer walls on both sides of the base are respectively fixedly connected with a slide rail A; the cushioning seat is a C-shaped plate-like structure with an open bottom, and slide seats are respectively fixedly connected to both bottom ends; the slide seats linearly slide on the slide rail A and are limited by a pin or a spring pin after sliding.

4. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: The pillow board is a convex plate structure adapted to the posterior anatomical structure of the human neck, located above the cushioning seat, with a chute opened on the board surface, and a slide rail B is fixedly connected below; the bottom end of the support rod B is fixedly connected with a slider; a threaded rod B is threadedly connected through the slider; the slider B is slidably inserted and installed on the pillow board through the chute and the slide rail B and slides on both sides of the pillow board driven by the threaded rod B.

5. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: Circular grooves are fixedly connected to the tops of the two support rods B; the two circular grooves are respectively located on the opposite sides of the two support rods B; arc-shaped insertion plates are respectively fixedly connected below the opposite ends of the two mounting seats; the two arc-shaped insertion plates are respectively inserted into the two circular grooves and respectively rotate concentrically relative to the circular grooves; both the arc-shaped slide plate and the circular groove are structures with a circular arc line as the cross-sectional trajectory, and the center of rotation is the center of rotation of the mounting seat relative to the support rod B; the arc-shaped insertion plate is limited by a pin or a spring pin after sliding in the circular groove.

6. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: A slide rail C is fixedly connected to the upper surface of the mounting seat; the opening and closing mechanism includes a gear box, a gear, a rack A, a rack B, and a limit pin; one end of the gear box is fixedly connected to the middle hook, and the middle part of the other end is rotatably connected to the threaded rod C; the other end of the threaded rod C is threadedly connected to the other end of the slide rail C; the rotation of the threaded rod C drives the opening and closing mechanism to slide on the mounting seat; the two hooks are respectively fixedly connected to one end of the rack A and the rack B, and respectively form an L-shaped structure.

7. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 6, characterized in that: The gear is rotatably installed in the middle part of the gear box; the rack A and the rack B are respectively engaged with the two sides of the gear; the gear drives the rack A and the rack B to slide toward and away from each other by forward and reverse rotation, so that the two side hooks are close to and away from the middle hook; a limit pin is fixedly installed on one side of the gear box; the limit pin is a spring pin, which is located on one side of the gear. After the gear rotates, the limit pin is inserted into the teeth of the gear to limit the gear.

8. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 7, characterized in that: An upwardly protruding arch groove is provided on one of the side hooks connected to the rack A; when the rack A and the rack B slide toward each other, the end of the rack B slides through the arch groove.

9. The anterior cervical vertebra tissue exposure device for cervical surgery according to claim 1, characterized in that: A groove that is concave upward is provided on the lower surface of the mounting seat. When the mounting seat is rotated to be vertical, the top end of the support rod B is embedded in the groove.

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