Head and pelvis ring and spinal traction device

Abstract

The utility model discloses a head and pelvis ring and spine traction device relates to the technical field of medical devices. The head and pelvis ring includes head ring part, a plurality of connecting components and a plurality of skull nails, is provided with a plurality of first mounting hole on the head ring part, connecting component includes connecting part and first fixed nut, and the upper end of connecting part is provided with first fixed stud, and first fixed stud is arranged in first mounting hole, and first fixed nut is sleeved on first fixed stud, and is provided with second mounting hole on connecting part, the skull nail includes bullet head, drills into the department and fixed department, and fixed department is arranged in second mounting hole, and is fixed through second fixed nut. The head and pelvis ring of the utility model is simple and stable in structure, and is convenient and quick to adjust.

Description

Technical Field

[0001] This utility model relates to the technical field of medical devices, specifically to a cephalopelvic ring and a spinal traction device. Background Technology

[0002] When spinal curvature becomes severe, treatment can only be performed after the spine has been gradually straightened through chronic traction under cephalopelvic traction.

[0003] The cephalopelvic ring is an external fixation device that corrects spinal curvature. It is a medical device used to treat severe, rigid, and soft tissue contracture-type scoliosis, thereby loosening soft tissues, lengthening the trunk, and reducing spinal curvature.

[0004] This device will bring great benefits to a large number of patients with severe rigid scoliosis, and will generate significant social and economic benefits. Currently, the connection and fixation methods of cephalopelvic systems on the market are relatively complex, which is not conducive to the adjustment and installation of the cephalopelvic ring. Utility Model Content

[0005] The purpose of this invention is to provide a cephalopelvic ring and a spinal traction device. The cephalopelvic ring is used to solve the problem of the complex connection and fixation methods of the existing cephalopelvic system.

[0006] Therefore, one embodiment of this utility model proposes a head and pelvis ring.

[0007] Therefore, another embodiment of the present invention provides a spinal traction device.

[0008] According to an embodiment of the present invention, the cephalopelvic ring includes a head ring portion, multiple connecting components, and multiple skull nails. The head ring portion is provided with multiple first mounting holes. The connecting components include a connecting portion and a first fixing nut. The upper end of the connecting portion is provided with a first fixing stud, which passes through the first mounting hole. The first fixing nut is sleeved on the first fixing stud. The connecting portion is provided with a second mounting hole. The skull nails include a bullet head, a drilling portion, and a fixing portion. The fixing portion passes through the second mounting hole and is fixed by a second fixing nut.

[0009] In some embodiments, the connecting portion is further provided with a circular plate portion, the circular plate portion being adjacent to the lower end of the first fixing stud, and the circular plate portion and the first fixing nut being located on opposite sides of the head ring portion.

[0010] In some embodiments, the drill bit is provided with external threads.

[0011] In some embodiments, the drilling section is provided with a plurality of scale lines, and the spacing between adjacent scale lines is 5 mm.

[0012] In some embodiments, the first mounting hole is a circular hole, and an internal thread is provided inside the first mounting hole.

[0013] In some embodiments, the first mounting hole is an arc-shaped hole.

[0014] In some embodiments, the second mounting hole is a circular hole, and an internal thread is provided inside the second mounting hole.

[0015] The spinal traction device according to an embodiment of the present invention includes a cephalopelvic ring, a hip semicircular structure, and a tensioning rod. The cephalopelvic ring is any one of the cephalopelvic rings described above. The hip semicircular structure is installed in the patient's hip via a transosseous screw. The tensioning rod is used to connect and tighten the cephalopelvic ring and the hip semicircular structure.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Other features and aspects of this disclosure will become clearer from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a head and pelvic ring according to an embodiment of the present utility model.

[0019] Figure 2 This is a schematic diagram of a connection component according to an embodiment of the present utility model.

[0020] Figure 3 This is another schematic diagram of the head and pelvic ring according to an embodiment of the present utility model.

[0021] Figure 4 This is a schematic diagram of a skull nail according to an embodiment of the present invention.

[0022] Figure label:

[0023] Head ring 100, head ring part 10, first mounting hole 11, connecting assembly 20, connecting part 21, first fixing stud 211, round plate part 212, first fixing nut 22, second mounting hole 23, skull nail 30, bullet head 31, drilling part 32, fixing part 33, second fixing nut 34. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to specific implementation schemes. However, those skilled in the art should understand that the implementation schemes described below are only for illustrating this utility model and should not be regarded as limiting the scope of this utility model. Based on the implementation schemes in this utility model, all other implementation schemes obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] like Figures 1-4 As shown, the cephalopelvic ring 100 according to an embodiment of the present invention includes a head ring portion 10, a plurality of connecting components 20, and a plurality of skull screws 30.

[0026] The head ring 10 is provided with a plurality of first mounting holes 11. The connecting assembly 20 includes a connecting part 21 and a first fixing nut 22. The upper end of the connecting part 21 is provided with a first fixing stud 211. The first fixing stud 211 passes through the first mounting hole 11. The first fixing nut 22 is sleeved on the first fixing stud 211. The connecting part 21 is provided with a second mounting hole 23.

[0027] The skull nail 30 includes a bullet head 31, a drilling part 32, and a fixing part 33. The fixing part 33 passes through the second mounting hole 23 and is fixed by the second fixing nut 34.

[0028] It is understood that in this utility model, the connecting part 21 is generally flat, and a second mounting hole 23 is provided on the front side of the connecting part 21. The fixing part 33 of the skull nail 30 is installed in the second mounting hole 23. A first fixing stud 211 is provided on the top of the connecting part 21. The first fixing stud 211 passes through the first mounting hole 11, thereby realizing a stable connection between the head ring part 10, the connecting component 20 and the skull nail 30.

[0029] In some embodiments, such as Figure 2 As shown, a circular plate portion 212 is also provided on the connecting portion 21. The circular plate portion 212 is close to the lower end of the first fixing stud 211. The circular plate portion 212 and the first fixing nut 22 are located on both sides of the head ring portion 10.

[0030] Understandably, the design of the circular plate portion 212 effectively increases the contact area between the connecting portion 21 and the head ring portion 10, which is beneficial to improving the stability between the connecting portion 21 and the head ring portion 10.

[0031] In some embodiments, the drill bit 32 is provided with external threads.

[0032] Understandably, the external threads on the drilled part 32 help to make it easier to insert the skull nail 30 into the patient's head.

[0033] In some embodiments, the drilling section 32 is provided with a plurality of scale lines (not shown), and the spacing between adjacent scale lines is 5 mm.

[0034] Understandably, setting graduations helps doctors better observe the drilling depth of the skull nail 30.

[0035] In some embodiments, the first mounting hole 11 is a circular hole, and an internal thread is provided inside the first mounting hole 11.

[0036] It is understandable that the first mounting hole 11 is a circular hole and has an internal thread, which improves the stability between the connecting part 21 and the head basin ring 10.

[0037] In some embodiments, the first mounting hole 11 is an arc-shaped hole.

[0038] Understandably, the first mounting hole 11 is an arc-shaped hole, which improves the adjustment accuracy of the relative position between the connecting part 21 and the head basin ring 10.

[0039] In some embodiments, the second mounting hole 23 is a circular hole, and an internal thread is provided inside the second mounting hole 23.

[0040] Understandably, the second mounting hole 23 is a circular hole with an internal thread, which improves the stability between the connecting part 21 and the skull nail 30.

[0041] The spinal traction device according to an embodiment of the present invention includes a cephalopelvic ring 100, a hip semicircular structure, and a tensioning rod. The cephalopelvic ring 100 is any of the above-mentioned cephalopelvic rings 100. The hip semicircular structure is installed in the patient's hip via a transosseous screw. The tensioning rod is used to connect and tighten the cephalopelvic ring 100 and the hip semicircular structure.

[0042] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0044] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0046] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A head-pelvic ring, characterized in that, include: The head ring portion is provided with a plurality of first mounting holes; Multiple connecting components, each connecting component including a connecting part and a first fixing nut, the upper end of the connecting part being provided with a first fixing stud, the first fixing stud passing through a first mounting hole, the first fixing nut being sleeved on the first fixing stud, and the connecting part being provided with a second mounting hole; Multiple skull nails, each skull nail comprising a bullet head, a drilled portion, and a fixing portion, wherein the fixing portion passes through a second mounting hole and is fixed by a second fixing nut.

2. The cephalopelvic ring according to claim 1, characterized in that, The connecting part is also provided with a circular plate part, which is located near the lower end of the first fixing stud. The circular plate part and the first fixing nut are located on both sides of the head ring part.

3. The cephalopelvic ring according to claim 2, characterized in that, The drilling section is provided with external threads.

4. The cephalopelvic ring according to claim 3, characterized in that, The drilling section is provided with multiple scale lines, and the distance between adjacent scale lines is 5mm.

5. The cephalopelvic ring according to claim 1, characterized in that, The first mounting hole is a circular hole, and an internal thread is provided inside the first mounting hole.

6. The cephalopelvic ring according to claim 1, characterized in that, The first mounting hole is an arc-shaped hole.

7. The cephalopelvic ring according to claim 1, characterized in that, The second mounting hole is a circular hole, and an internal thread is provided inside the second mounting hole.

8. A spinal traction device, characterized in that, include: A cephalic ring, wherein the cephalic ring is the cephalic ring according to any one of claims 1-7; A hip semicircular structure, wherein the hip semicircular structure is installed in the patient's hip via a transosseous screw; A tensioning rod is used to connect and tighten the head pelvic ring and the hip semicircular structure.

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