Stable niti alloy vertebral plate structure

Abstract

The utility model discloses a stable type niti alloy vertebral plate structure which comprises a vertebral plate body, connecting plates are fixedly installed on the two sides of the vertebral plate body respectively, an adjusting installation assembly is arranged on one side of each connecting plate, each adjusting installation assembly comprises a clamping groove and a first screw hole, the clamping grooves are formed in one sides of the connecting plates, the first screw holes are formed in one sides of the connecting plates, and the first screw holes are connected with the clamping grooves. A clamping groove is formed in the middle of the vertebral plate, a clamping block is connected to one side of the clamping groove in a clamped mode, a second screw hole is formed in one side of the clamping block, a fixing plate is fixedly installed on one side of the clamping block, a third screw hole is formed in one side of the fixing plate, and a first bolt is connected to the inner side wall of the third screw hole through threads. According to the stable niti alloy vertebral plate structure, adjustment can be carried out according to the condition of the lumbar vertebra of a patient through the arranged adjusting and mounting assembly, the fixing plate of the lumbar vertebra which is not suitable for bolting can be detached so as to prevent the bolt from causing secondary damage to the lumbar vertebra, and the stable niti alloy vertebral plate structure is helpful to the lumbar vertebra of the patient, so that the use effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to niti alloy lamina technical field, concretely is a stable niti alloy lamina structure. BACKGROUND

[0002] NiTi alloy lamina is a kind of material with important application value in medical field especially in spinal surgery, I, material property shape memory effect: NiTi alloy has unique shape memory property, can restore to preset shape under certain conditions.This makes NiTi alloy lamina after implanting in human body, can better adapt to physiological curvature and motion state of spine, provide stable support, superelasticity: can bear larger deformation without permanent plastic deformation, when spine is subjected to external force, NiTi alloy lamina can effectively buffer pressure, protect spinal cord and nerve tissue, good biocompatibility: with good affinity to human tissue, reduce the occurrence of rejection and inflammation.

[0003] Patent publication number "CN209422070U" discloses "a medical titanium alloy lamina, it includes the plate body made of titanium alloy, plate body is arc-shaped, its inner arc surface is downward, plate body two side edges extend to form the reinforcing edge, the reinforcing edge middle part extends to form the support bar, the support bar end portion away from the reinforcing edge expands to form the positioning block, positioning block is equipped with the positioning hole, positioning hole is equipped with the fine adjustment screw through the adjusting nut movable installation on it, fine adjustment screw bottom installs the adjusting slide block, adjusting slide block bottom is equipped with the embedded groove, embedded groove bottom is relatively bent to form the lower limit, plate body middle part is equipped with the nursing groove, nursing groove both sides are distributed with liquid injection hole.This scheme adopts the lamina made of medical titanium alloy, has the characteristics such as high strength, mechanical property close to human bone, while fatigue resistance, corrosion resistance and excellent biocompatibility.

[0004] In view of the above problems, the mounting hole of the existing alloy lamina is fixed, and in the actual use process, the spine of the patient may not be suitable for screwing all the time, forcibly screwing the bolt can affect the postoperative rehabilitation effect, and there is no good auxiliary straightening function, and the whole can be installed skew, which can affect the use effect.

[0005] Therefore, the utility model provides a stable niti alloy lamina structure to solve the above problems. Utility model content

[0006] In view of the deficiencies of prior art, the utility model provides a stable niti alloy lamina structure, solves the problems that the mounting hole of the existing alloy lamina is fixed, and in the actual use process, the spine of the patient may not be suitable for screwing all the time, forcibly screwing the bolt can affect the postoperative rehabilitation effect.

[0007] In order to achieve the above object, the utility model discloses a stable niti alloy lamina structure through the following technical scheme: a stable niti alloy lamina structure, including the lamina body, the both sides of lamina body are fixedly installed with the connecting plate, one side of connecting plate is provided with the adjusting installation component, adjusting installation component includes the slot and the screw hole no.

[0008] Further, the adjusting installation component further includes a second screw, and the first screw hole and the second screw hole are connected through threads.

[0009] The above technical scheme can reinforce the effect, and is simple and reliable to use.

[0010] Further, the straightening assembly includes a rectangular groove and an indicating plate, the rectangular groove is arranged on one side of the lamina body, and the indicating plate is slidably connected to the inner side wall of the rectangular groove.

[0011] The above technical scheme can have an indicating effect, and the overall use effect is better.

[0012] Further, the straightening assembly further includes a threaded rod, the threaded rod is connected to one side of the indicating plate through threads, and the threaded rod and the rectangular groove are connected through threads.

[0013] The above technical scheme can fix the indicating plate, and the fixing is simple and convenient.

[0014] Further, the straightening assembly further includes a knob, and the knob is fixedly connected to one end of the threaded rod.

[0015] The above technical scheme uses the knob to conveniently rotate the threaded rod.

[0016] Further, the straightening assembly further includes a pull plate, and the pull plate is fixedly installed on one side of the indicating plate.

[0017] The above technical scheme uses the pull plate to conveniently pull and move the indicating plate.

[0018] Advantages

[0019] The utility model discloses a stable niti alloy lamina structure, and has the following advantages compared with prior art:

[0020] 1. This stable Niti alloy vertebral plate structure, through its adjustable installation components, can be adjusted according to the patient's lumbar spine condition. For lumbar spines that are not suitable for bolting, the fixing plate of that part can be removed to prevent secondary damage to the lumbar spine from the bolts, which will also help the patient's lumbar spine and make the use more effective.

[0021] 2. This stable Niti alloy vertebral plate structure, through its set straightening components, can perform overall straightening work, making the overall installation more accurate, which will help patients' postoperative rehabilitation, reduce the impact of errors on the patient's lumbar spine, and make the overall use effect better and ensure the user experience. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a rear view of the overall structure of this utility model;

[0024] Figure 2 This is a utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0025] Figure 3 This is a rear view of the overall structure of this utility model;

[0026] Figure 4 This is a utility model Figure 3 Enlarged view of the structure at point B.

[0027] In the diagram: 1. Vertebral plate body; 2. Connecting plate; 3. Adjustment and installation assembly; 31. Slot; 32. Screw hole one; 33. Locking block; 34. Screw hole two; 35. Fixing plate; 36. Screw hole three; 37. Bolt one; 38. Bolt two; 4. Straightening assembly; 41. Rectangular groove; 42. Indicator plate; 43. Threaded rod; 44. Knob; 45. Pull plate. Detailed Implementation

[0028] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, top, bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The present application will be further described in detail below with the aid of drawings and examples.

[0030] Referring to Figures 1 to 4 The present application provides a stable niti alloy lamina structure, comprising a lamina body 1, two sides of the lamina body 1 are respectively fixedly provided with a connecting plate 2, one side of the connecting plate 2 is provided with an adjusting and mounting assembly 3, the adjusting and mounting assembly 3 comprises a clamping groove 31 and a screw hole 32, the clamping groove 31 is formed on one side of the connecting plate 2, the screw hole 32 is formed on one side of the connecting plate 2, one side of the clamping groove 31 is clamped with a clamping block 33, one side of the clamping block 33 is provided with a screw hole 34, one side of the clamping block 33 is fixedly provided with a fixing plate 35, one side of the fixing plate 35 is provided with a screw hole 36, the inner side wall of the screw hole 36 is connected with a bolt 37 through threads, the adjusting and mounting assembly 3 further comprises a bolt 38, the bolt 38 is connected with the screw hole 32 and the screw hole 34 through threads, one side of the lamina body 1 is provided with a straightening assembly 4.

[0031] In the embodiment, first, the clamping block 33 is clamped into the clamping groove 31, then the bolt 38 is rotated to fix the clamping block 33 through the screw hole 32 and the screw hole 34, then the bolt 37 is used to fix the fixing plate 35 and the lumbar vertebrae of the patient together, and the fixing is simple and convenient.

[0032] Referring to Figures 1 to 4 In one aspect of the present application, the straightening assembly 4 comprises a rectangular groove 41 and an indicating plate 42, the rectangular groove 41 is formed on one side of the lamina body 1, the indicating plate 42 is slidably connected to the inner side wall of the rectangular groove 41, the straightening assembly 4 further comprises a threaded rod 43, the threaded rod 43 is connected to one side of the indicating plate 42 through threads, the threaded rod 43 is connected to the rectangular groove 41 through threads, the straightening assembly 4 further comprises a knob 44, the knob 44 is fixedly connected to one end of the threaded rod 43.

[0033] Then, rotating the knob 44 can separate the threaded rod 43 from the rectangular groove 41, and then pulling the pull plate 45 can make the indicator plate 42 have a good reference effect, and the overall installation will be more correct, so as to prevent the existence of installation skew, so that the postoperative rehabilitation effect of the patient will be better.

[0034] With reference to Figures 1 to 4 In one aspect of the embodiment, the straightening assembly 4 further comprises a pull plate 45 fixedly installed on one side of the indicator plate 42.

[0035] In the embodiment, the pull plate 45 is used to facilitate pulling the indicator plate 42.

[0036] Working principle: first, the clamping block 33 is clamped into the inside of the clamping groove 31, then rotating the bolt 38 can fix the clamping block 33 through the screw hole 32 and the screw hole 34, then the bolt 37 can be used to fix the fixed plate 35 and the patient's lumbar vertebrae together, and the fixing is simple and convenient.

[0037] Then, rotating the knob 44 can separate the threaded rod 43 from the rectangular groove 41, and then pulling the pull plate 45 can make the indicator plate 42 have a good reference effect, and the overall installation will be more correct, so as to prevent the existence of installation skew, so that the postoperative rehabilitation effect of the patient will be better.

[0038] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stable niti alloy laminoplasty structure comprising a laminar body (1) characterized in that: Two sides of the vertebral plate body (1) are respectively fixedly installed with connecting plates (2), one side of the connecting plate (2) is provided with an adjusting mounting assembly (3), the adjusting mounting assembly (3) comprises a clamping groove (31) and a screw hole (32), the clamping groove (31) is opened in one side of the connecting plate (2), the screw hole (32) is opened in one side of the connecting plate (2), one side of the clamping groove (31) is clamped with a clamping block (33), one side of the clamping block (33) is provided with a screw hole (34), one side of the clamping block (33) is fixedly installed with a fixed plate (35), one side of the fixed plate (35) is provided with a screw hole (36), the inner side wall of the screw hole (36) is connected with a bolt (37) through threads, one side of the vertebral plate body (1) is provided with a straightening assembly (4).

2. The stabilizing niti alloy laminoplasty construct of claim 1 wherein: The adjusting mounting assembly (3) further comprises a bolt (38), the bolt (38) is connected with the screw hole (32) and the screw hole (34) through threads.

3. The stabilizing niti alloy laminoplasty construct of claim 1 wherein: The straightening assembly (4) comprises a rectangular groove (41) and an indicating plate (42), the rectangular groove (41) is opened in one side of the vertebral plate body (1), the indicating plate (42) is slidingly connected with the inner side wall of the rectangular groove (41).

4. The stabilizing niti alloy laminectomy spacer of claim 3, wherein: The straightening assembly (4) further comprises a threaded rod (43), the threaded rod (43) is connected with the indicating plate (42) through threads, and the threaded rod (43) is connected with the rectangular groove (41) through threads.

5. The stabilizing niti alloy laminectomy spacer of claim 4, wherein: The straightening assembly (4) further comprises a knob (44), the knob (44) is fixedly connected with one end of the threaded rod (43).

6. The stabilizing niti alloy laminectomy spacer of claim 5, wherein: The straightening assembly (4) further comprises a pull plate (45), the pull plate (45) is fixedly installed on one side of the indicating plate (42).

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