Pillow, neck and chest resetting and fixing equipment

Abstract

The utility model relates to the technical field of medical instruments, in particular to occipital neck chest reduction fixing equipment which comprises an occipital bone fixing assembly and two posterior cervical approach pre-bending rods arranged at the two ends of the occipital bone fixing assembly, the occipital bone fixing assembly comprises an occipital bone plane plate used for fixing an occipital bone, and fixing screws are arranged at the two ends of the occipital bone plane plate. One ends of the two posterior cervical pre-bending rods are respectively fixed on the adjacent fixing screws, the two posterior cervical pre-bending rods are respectively provided with a plurality of screw assemblies for fixing the posterior cervical pre-bending rods and vertebrae, and one of the posterior cervical pre-bending rods is also provided with a universal screw for assisting in shape correction. By means of the occipital bone fixing assembly, the posterior neck pre-bending rod and the adjustable rod, when the device is used, treatment of diseases such as skull base depression and restoration of atlantoaxial odontoid process structures can be achieved, and on the basis, strengthening and fixing of a series of long sections of the occipital bone, the cervical vertebra and the thoracic vertebra can be achieved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a pillow, neck and chest repositioning and fixing device. Background Art

[0002] Occipital-cervicothoracic deformity refers to a condition in which the occipital bone, cervical spine, and thoracic spine are abnormally shaped or deformed due to various reasons. The clinical manifestations of occipital-cervicothoracic deformity are diverse, mainly including neck and shoulder pain, limited cervical spine movement, headache, and upper limb numbness. Severe occipital-cervical deformity may also lead to spinal cord compression, resulting in neurological symptoms such as hand and lower limb weakness.

[0003] At present, due to the variety of diseases such as occipital-cervical-thoracic deformity, most of the products in the domestic market are used to treat single cervical spine diseases, and the scope of application is relatively limited. When encountering situations such as skull base depression, there is a phenomenon of no suitable products to use. There are still great deficiencies in the domestic market. Utility Model Content

[0004] The purpose of the utility model is to provide a pillow, neck and chest repositioning and fixing device to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An occipital-cervical-thoracic reduction and fixation device includes an occipital fixation assembly and two posterior cervical pre-bending rods provided at both ends of the occipital fixation assembly. The occipital fixation assembly includes an occipital plane plate for fixing the occipital bone. Both ends of the occipital plane plate are provided with fixing screws. One end of each of the two posterior cervical pre-bending rods is fixed to an adjacent fixing screw. Both of the two posterior cervical pre-bending rods are provided with a plurality of screw assemblies for fixing the posterior cervical pre-bending rods to the vertebrae. One of the posterior cervical pre-bending rods is also provided with a universal screw for auxiliary correction.

[0007] A connecting component is also provided between the two posterior cervical pre-bending rods.

[0008] Preferably, both ends of the occipital plane plate are provided with holes for sliding of multiple fixing screws, and an occipital plane plate pressure plate is further provided on the occipital plane plate. Both the occipital plane plate and the occipital plane plate pressure plate are provided with multiple screw holes, and the screw holes are threadedly connected with occipital screws.

[0009] Preferably, both ends of the occipital plane plate are provided with holes for sliding of multiple fixing screws, and an occipital plane plate pressure plate is further provided on the occipital plane plate. Both the occipital plane plate and the occipital plane plate pressure plate are provided with multiple screw holes, and the screw holes are threadedly connected with occipital screws.

[0010] Preferably, the screw assembly includes a pedicle screw, a screw head is installed on the top of the pedicle screw, a fixing nut is threadedly connected in the screw head, and the posterior cervical pre-bending rod is inserted between the screw head and the fixing nut.

[0011] Preferably, a nail tail is extended from the top of the correction screw, and a connecting head fixed to the posterior cervical pre-bending rod is provided between the correction screw and the nail tail.

[0012] Preferably: a screw head is provided on the top of the universal screw, a limiting ring is provided between the universal screw and the screw head, the limiting ring is rotatably connected to the screw head, and the end of the limiting ring away from the universal screw is connected to the posterior cervical pre-bending rod.

[0013] Preferably: the connecting assembly includes an adjustable rod arranged between the two posterior cervical pre-bending rods, the adjustable rod is provided with a corrective screw, the adjustable rod includes a first movable rod and a second movable rod, the ends of the first movable rod and the second movable rod close to each other are hinged through a rotating shaft, and a locking bolt is also provided on the rotating shaft, the other end of the first movable rod is fixed to the vertebra through the corrective screw, and the other end of the second movable rod is fixed to the occipital plane plate through a fixing screw.

[0014] Preferably, the connecting assembly includes an auxiliary orthopedic rod arranged on one of the posterior cervical pre-bending rods, one end of the auxiliary orthopedic rod is fixed to one of the fixing screws, and the other end is fixed to the posterior cervical pre-bending rod, one end of the stud screw is fixed to the posterior cervical pre-bending rod, and the other end is fixed to the auxiliary orthopedic rod, the auxiliary orthopedic rod is provided with an orthopedic screw, and the bending sections of the two posterior cervical pre-bending rods are also provided with reinforcement rings for increasing strength;

[0015] The other posterior cervical pre-bending rod is provided with a double-headed screw, which includes two screw heads, and a screw is provided at the bottom of one of the screw heads. The double-headed screw is fixed to the vertebrae through the screws, and the posterior cervical pre-bending rod and the auxiliary correction rod are respectively inserted into the two screw heads.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model is provided with an occipital fixation component, a posterior cervical pre-bent rod and an adjustable rod. When used, it can achieve the treatment of diseases such as skull base indentation, restore the structure of the odontoid process of the atlantoaxial vertebra, and on this basis, it can also strengthen the fixation of a series of long segments of the occipital bone, cervical vertebrae and thoracic vertebrae.

[0018] 2. The utility model saves the operation of bending the posterior cervical pre-bending rod during use by setting the rod to the same shape as the normal physiological curvature of the human body. At the same time, the reinforcement ring provided on the rod further increases the strength of the rod.

[0019] 3. The utility model provides the first movable rod and the second movable rod, and while achieving the connection between the occipital bone and the cervical vertebrae, the angle between the first movable rod and the second movable rod can be adjusted and locked, thereby achieving fixed resetting operations at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram from the first perspective of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the adjustable rod in the present invention when in use;

[0022] Figure 3 This is a schematic structural diagram of the occipital fixation assembly of the present invention;

[0023] Figure 4 This is a schematic structural diagram of the adjustable rod in the present utility model;

[0024] Figure 5 This is a schematic structural diagram of the screw assembly in the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the double-headed screw in the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the orthopedic screw in the utility model;

[0027] Figure 8 It is a structural schematic diagram of the universal screw in the utility model.

[0028] In the figure: 1. Occipital fixation assembly; 11. Occipital plane plate; 12. Fixing screw; 13. Hole groove; 14. Occipital plate pressure plate; 15. Occipital screw; 2. Posterior cervical pre-bending rod; 21. Reinforcement ring; 22. Auxiliary orthopedic rod; 3. Adjustable rod; 31. First movable rod; 32. Second movable rod; 4. Screw assembly; 41. Pedicle screw; 42. Screw head; 43. Fixing nut; 5. Stud screw; 6. Orthopedic screw; 61. Nail tail; 62. Connector; 7. Universal screw; 71. Screw head; 72. Limiting ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0030] For example 1, please refer to Figure 1-8 The occipital-cervical-thoracic reduction and fixation device comprises an occipital fixation component 1 and two posterior cervical pre-bending rods 2 arranged at both ends of the occipital fixation component 1. The occipital fixation component 1 comprises an occipital aircraft plate 11, which is used to fix the occipital bone. Both ends of the occipital aircraft plate 11 are provided with fixing screws 12. One end of the two posterior cervical pre-bending rods 2 is respectively fixed on the adjacent fixing screws 12. The two posterior cervical pre-bending rods 2 are provided with a plurality of screw assemblies 4 for fixing the posterior cervical pre-bending rods 2 to the vertebrae. One of the posterior cervical pre-bending rods 2 is also provided with a universal screw 7 for auxiliary correction, and a correction screw 6 is provided on the adjustable rod 3. A connecting component is also provided between the two posterior cervical pre-bending rods 2. The connecting component includes a An auxiliary orthotic rod 22 is placed on one of the posterior cervical pre-bending rods 2, one end of the auxiliary orthotic rod 22 is fixed to one of the fixing screws 12, and the other end is fixed to the posterior cervical pre-bending rod 2, one end of the stud screw 5 is fixed to the posterior cervical pre-bending rod 2, and the other end is fixed to the auxiliary orthotic rod 22, and an orthotic screw 6 is provided on the auxiliary orthotic rod 22, and the bending sections of the two posterior cervical pre-bending rods 2 are also provided with a reinforcing ring 21 for increasing the strength, and both ends of the occipital aircraft plate 11 are provided with holes 13 for sliding multiple fixing screws 12, and an occipital plate pressure plate 14 is also provided on the occipital aircraft plate 11, and multiple screw holes are provided on the occipital aircraft plate 11 and the occipital plate pressure plate 14, and occipital screws 15 are threadedly connected to the screw holes;

[0031] When in use, first place the occipital plane board 11 on the occipital bone and fit it with the occipital bone, place the occipital plate pressure plate 14 on the occipital plane board 11, and fix the occipital plate pressure plate 14 and the occipital plane board 11 to the occipital bone through the occipital screw 15. After fixation, adjust the position of the fixing screw 12 on the hole slot 13 according to the patient's condition, and implant multiple screw assemblies 4, stud screws 5, correction screws 6 and universal screws 7 into the corresponding vertebrae for fixation, fix one end of the posterior cervical pre-bending rod 2 and the auxiliary correction rod 22 on the adjacent fixing screws 12, and make the other end of the posterior cervical pre-bending rod 2 pass through the stud screws in sequence. The screw 5 and multiple screw assemblies 4 are used, and the other end of the auxiliary orthopedic rod 22 is passed through the orthopedic screw 6 and the double-headed screw 5 in sequence. The posterior cervical pre-bending rod 2 is fixed by the screw assembly 4 and the double-headed screw 5. The auxiliary orthopedic rod 22 is fixed by the double-headed screw 5 and the orthopedic screw 6. The posterior cervical pre-bending rod 2 on the other side is passed through the universal screw 7 and multiple screw assemblies 4 in sequence and then fixed. Since the bending degree of the posterior cervical pre-bending rod 2 is the same as the normal physiological curvature curve, when the posterior cervical pre-bending rod 2 is fixed by the screw assembly 4, the cervical vertebra will be pulled and corrected, thereby achieving the effect of reduction and fixation;

[0032] At the same time, after the correction screw 6 and the universal screw 7 are placed, they can cooperate with each other to achieve the reduction of the odontoid process of the atlantoaxial vertebra;

[0033] By setting the posterior cervical pre-bending rod 2 to have the same shape as the normal physiological curvature of the human body, the operation of bending the rod can be saved during use. At the same time, the reinforcement ring 21 provided on the posterior cervical pre-bending rod 2 further increases the strength of the posterior cervical pre-bending rod 2.

[0034] By providing the hole groove 13 for the fixing screw 12 to slide on the occipital plane plate 11, the fixing screw 12 can slide horizontally in the hole groove 13 during use to achieve fixation at different positions, thereby greatly increasing the scope of application of the device.

[0035] For example 2, please refer to Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8The screw assembly 4 includes a pedicle screw 41, a screw head 42 is installed on the top of the pedicle screw 41, and a fixing nut 43 is threadedly connected in the screw head 42, and the posterior cervical pre-bending rod 2 is passed through the screw head 42 and the fixing nut 43, the double-headed screw 5 includes two screw heads, and a screw is provided at the bottom of one of the screw heads, and the double-headed screw 5 is fixed to the vertebra by the screws, and the posterior cervical pre-bending rod 2 and the auxiliary orthopedic rod 22 are respectively passed through the two screw heads, and the top of the orthopedic screw 6 is extended with a nail tail 61, and a connecting head 62 fixed to the posterior cervical pre-bending rod 2 is provided between the orthopedic screw 6 and the nail tail 61, and a screw head 71 is provided at the top of the universal screw 7, and a limiting ring 72 is provided between the universal screw 7 and the screw head 71, and the limiting ring 72 is rotatably connected to the screw head 71, and the end of the limiting ring 72 away from the universal screw 7 is connected to the posterior cervical pre-bending rod 2;

[0036] When in use, first place the screw assembly 4, stud screw 5, corrective screw 6 and universal screw 7 in the corresponding cones. When placing the posterior cervical pre-bending rod 2, first clamp the posterior cervical pre-bending rod 2 in the screw heads of the screw assembly 4 and the stud screw 5, and make the bottom of the connecting head 62 contact with the adjacent posterior cervical pre-bending rod 2, so that the posterior cervical pre-bending rod 2 on the other side is clamped in the limiting ring 72. After placement, use a tool to screw the fixing nut 43 into the screw head 42, fix the posterior cervical pre-bending rod 2 through the screw head 42 and the fixing nut 43, and fix the two screw heads of the stud screw 5 to the posterior cervical pre-bending rod 2 and the auxiliary corrective rod 22 respectively. After fixation, tighten the corrective screw 6 and break off the excess nail tail 61 to complete the fixation;

[0037] After the universal screw 7 is placed, it can cooperate with the vertebral plate correction screw 6 to perform a reduction and correction operation. After reduction, the screw head 71 and the limiting ring 72 can swing up and down and left and right to achieve universal angle adjustment, which facilitates the accurate placement and fixation of the posterior cervical pre-bending rod 2.

[0038] For example three, please refer to Figure 2 、 Figure 3 and Figure 4 The connecting assembly includes an adjustable rod 3 arranged between two posterior cervical pre-bending rods 2, a stud screw 5 is provided on the other posterior cervical pre-bending rod 2, and the adjustable rod 3 includes a first movable rod 31 and a second movable rod 32. The ends of the first movable rod 31 and the second movable rod 32 close to each other are hinged by a rotating shaft, and a locking bolt is also provided on the rotating shaft. The other end of the first movable rod 31 is fixed to the vertebra by a corrective screw 6, and the other end of the second movable rod 32 is fixed to the occipital plane plate 11 by a fixing screw 12;

[0039] At the same time, through the adjustable rod 3, when in use, the locking bolt is adjusted to adjust the angle between the first movable rod 31 and the second movable rod 32. After adjustment to the appropriate level, the first movable rod 31 and the second movable rod 32 are fixed by the locking bolt, and then the first movable rod 31 and the second movable rod 32 are fixed to the corrective screw 6 and the fixing screw 12 respectively. By setting the first movable rod 31 and the second movable rod 32, while the occipital bone and cervical vertebrae are connected through the first movable rod 31 and the second movable rod 32, the angle between the first movable rod 31 and the second movable rod 32 can also be adjusted and locked, thereby realizing fixed reduction operations at different angles.

[0040] Working principle: First, place the occipital plane board 11 on the occipital bone and fit it with the occipital bone. Then place the occipital plate pressure plate 14 on the occipital plane board 11 and fix the occipital plate pressure plate 14 and the occipital plane board 11 to the occipital bone through the occipital screw 15.

[0041] After fixation, adjust the position of the fixing screw 12 on the hole slot 13 according to the patient's condition, and then place the screw assembly 4, stud screw 5, corrective screw 6 and universal screw 7 in the corresponding cones. When placing the posterior cervical pre-bending rod 2, fix one end of the posterior cervical pre-bending rod 2 and the auxiliary corrective rod 22 on the adjacent fixing screw 12, clamp the posterior cervical pre-bending rod 2 in the screw heads of the screw assembly 4 and stud screw 5, and make the bottom of the connecting head 62 contact with the adjacent posterior cervical pre-bending rod 2, and the other end of the auxiliary corrective rod 22 passes through the corrective screw 6 and stud screw 5 in turn, fix the posterior cervical pre-bending rod 2 through the screw assembly 4 and stud screw 5, and fix the auxiliary corrective rod 22 through the stud screw 5 and corrective screw 6, and at the same time, make the posterior cervical pre-bending rod 2 on the other side clamp in the limiting ring 72;

[0042] After placement, use a tool to screw the fixing nut 43 into the screw head 42, and fix the posterior cervical pre-bending rod 2 through the screw head 42 and the fixing nut 43, and fix the two screw heads of the double-headed screw 5 to the posterior cervical pre-bending rod 2 and the auxiliary correction rod 22 respectively. After fixation, tighten the correction screw 6 and break off the excess nail tail 61 to complete the fixation;

[0043] By setting the first movable rod 31 and the second movable rod 32, while connecting the occipital bone and the cervical vertebrae, the angle between the first movable rod 31 and the second movable rod 32 can be adjusted and locked, thereby achieving fixed reset operations at different angles.

[0044] It should be noted that the various devices in this application are common devices in the market, and can be selected according to specific needs during specific use. The circuit connection relationship of each device is a simple series and parallel connection circuit. There is no innovation in the circuit connection part. Those skilled in the art can implement it relatively easily. It belongs to the existing technology and will not be elaborated on.

[0045] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Occipital cervical thoracic reduction and fixation device, characterized by: The invention comprises an occipital fixation component (1) and two posterior cervical pre-bending rods (2) arranged at both ends of the occipital fixation component (1), wherein the occipital fixation component (1) comprises an occipital plane plate (11), the occipital plane plate (11) is used to fix the occipital bone, and both ends of the occipital plane plate (11) are provided with fixing screws (12), one end of each of the two posterior cervical pre-bending rods (2) is respectively fixed to an adjacent fixing screw (12), and each of the two posterior cervical pre-bending rods (2) is provided with a plurality of screw assemblies (4) for fixing the posterior cervical pre-bending rods (2) to the vertebrae, and one of the posterior cervical pre-bending rods (2) is further provided with a universal screw (7) for auxiliary correction; A connecting component is also provided between the two posterior cervical pre-bending rods (2).

2. The occipital-cervical-chest repositioning and fixation device according to claim 1, characterized in that: Both ends of the occipital plane plate (11) are provided with slots (13) for sliding a plurality of fixing screws (12), and an occipital plate pressure plate (14) is further provided on the occipital plane plate (11). Both the occipital plane plate (11) and the occipital plate pressure plate (14) are provided with a plurality of screw holes, and the screw holes are threadedly connected with occipital screws (15).

3. The occipital-cervical-chest repositioning and fixation device according to claim 2, characterized in that: The screw assembly (4) comprises a pedicle screw (41), a screw head (42) is mounted on the top of the pedicle screw (41), a fixing nut (43) is threadedly connected in the screw head (42), and the posterior cervical pre-bending rod (2) is inserted between the screw head (42) and the fixing nut (43).

4. The occipital-cervical-chest repositioning and fixation device according to claim 3, characterized in that: A screw head (71) is provided on the top of the universal screw (7), and a limiting ring (72) is provided between the universal screw (7) and the screw head (71). The limiting ring (72) is rotatably connected to the screw head (71), and one end of the limiting ring (72) away from the universal screw (7) is connected to the posterior cervical pre-bending rod (2).

5. The occipital-cervical-chest repositioning and fixation device according to claim 4, characterized in that: The connecting assembly includes an adjustable rod (3) arranged between the two posterior cervical pre-bending rods (2), and a correction screw (6) is provided on the adjustable rod (3). The adjustable rod (3) includes a first movable rod (31) and a second movable rod (32), and the ends of the first movable rod (31) and the second movable rod (32) close to each other are hinged through a rotating shaft, and a locking bolt is also provided on the rotating shaft. The other end of the first movable rod (31) is fixed to the vertebra through the correction screw (6), and the other end of the second movable rod (32) is fixed to the occipital plane plate (11) through a fixing screw (12).

6. The occipital-cervical-thoracic repositioning and fixation device according to claim 4, characterized in that: The connecting assembly includes an auxiliary orthopedic rod (22) arranged on one of the posterior cervical pre-bending rods (2), one end of the auxiliary orthopedic rod (22) is fixed to one of the fixing screws (12), and the other end is fixed to the posterior cervical pre-bending rod (2), the posterior cervical pre-bending rod (2) and the auxiliary orthopedic rod (22) are connected and fixed by a double-headed screw (5), the auxiliary orthopedic rod (22) is provided with an orthopedic screw (6), and the bending sections of the two posterior cervical pre-bending rods (2) are also provided with a reinforcing ring (21) for increasing strength; A double-headed screw (5) is provided on the other posterior cervical prebending rod (2), wherein the double-headed screw (5) includes two screw heads, and a screw is provided at the bottom of one of the screw heads. The double-headed screw (5) is fixed to the vertebrae via the screw, and the posterior cervical prebending rod (2) and the auxiliary correction rod (22) are respectively inserted into the two screw heads.

7. The occipital-cervical-chest repositioning and fixation device according to claim 5 or 6, characterized in that: A nail tail (61) is extended from the top of the orthopedic screw (6), and a connecting head (62) fixed to the posterior cervical pre-bending rod (2) is provided between the orthopedic screw (6) and the nail tail (61).

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