Adjustable niti alloy interbody fusion cage

Abstract

The utility model discloses an adjustable niti alloy interbody fusion cage, relates to the technical field of medical instruments, and solves the problems of poor actual use effect and the like caused by improper fixation when bone nails which are difficult to effectively adjust are adopted for fixation if the size difference exists in spine blocks. The adjustable niti alloy interbody fusion cage comprises a fixing plate and a notch, the adjusting mechanism comprises an adjusting groove and a moving frame, sliding blocks are slidably connected between the two sides of the inner wall of the moving frame, the adjusting mechanism is additionally arranged, and the sliding blocks are moved to slide between the two sides of the inner wall of the moving frame, so that up-down adjustment is achieved; if left and right adjustment is needed, the movable sliding block drives the movable frame to synchronously slide in the adjusting groove, and through the cooperation, the fixing mechanisms arranged in the adjusting mechanism can be effectively driven to perform multi-directional adjustment, so that the effect of effectively fixing spine blocks with different sizes can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially a kind of adjustable niti alloy interbody fusion cage. BACKGROUND

[0002] NiTi alloy interbody fusion cage effect;One, provide support stability, can maintain intervertebral space height, prevent collapse, important to patient with intervertebral space narrowing, also can enhance spinal stability, prevent vertebral body displacement, rotation, create good mechanical environment for bone fusion, second, promote bone fusion, aperture structure provides space for new bone growth, conducive to bone tissue growth into fusion, part of the biological activity coating or substance of fusion cage can induce osteogenesis, improve bone fusion quality and speed, third, improve clinical symptoms, can alleviate pain, reduce nerve compression, the effect of patient with lumbar disc herniation is obvious, also can improve function, improve patient quality of life, make it restore normal activity ability.

[0003] The patent publication number "CN215080302U" discloses "a magnesium alloy interbody fusion cage", which comprises a fixed end, a plurality of threaded holes are uniformly arranged on the surface of the fixed end, the threaded holes are inclined and the threaded holes are internally provided with bone screws, the bone screws are threadedly connected with the threaded holes;One end surface of the bone screw near the rear side of the fixed end is provided with a hexagonal prism, and the hexagonal prism is fixedly connected with the bone screw;A implantation end is arranged on the rear end surface of the fixed end, and the implantation end is fixedly connected with the fixed end and provided with a placing groove at the center position of the implantation end;The device is convenient to nail, reduces the fixation of auxiliary steel plate, reduces the secondary injury to patients, and can save time and labor for doctors during operation.

[0004] The device in the above patent is fixed by bone screws fixedly connected to the surrounding vertebral blocks, however, if there are size differences between the vertebral blocks, it is difficult to effectively adjust the bone screws for fixation, which may result in inappropriate fixation and poor actual use effect. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a kind of adjustable niti alloy interbody fusion cage.

[0007] (II) Technical scheme

[0008] To achieve the above purposes, the utility model is realized by the following technical schemes: a kind of adjustable niti alloy interbody fusion cage, including fixed plate and slot, the slot is respectively arranged in the surface of one end of fixed plate and penetrates in the surface of other end, the slot is respectively installed with adjusting mechanism in, the adjusting mechanism is respectively provided with fixed mechanism in;

[0009] The adjusting mechanism comprises an adjusting groove and a moving frame, the bottom surface and the top surface of the moving frame are respectively slidably connected to the bottom wall and the top wall of the adjusting groove, and the inner walls of the moving frame are respectively slidably connected with sliding blocks.

[0010] By moving the sliding blocks to slide between the inner walls of the moving frame, up and down adjustment is realized, and if left and right adjustment is needed, the sliding blocks can drive the moving frame to slide in the adjusting groove synchronously, which can effectively drive the fixing mechanisms arranged in the adjusting mechanism to adjust in multiple directions, thereby realizing the effect of effectively fixing the vertebral blocks with size differences.

[0011] As a preferred scheme of the adjustable Niti alloy intervertebral fusion cage, the other end surface of the fixing plate is fixedly provided with an implanting frame, and the inner walls of the implanting frame are respectively fixedly provided with growth holes.

[0012] By using the above technical scheme, the implanting frame is implanted into the required position, and the implanting frame can synchronously drive the growth holes respectively arranged on the inner walls to enter, which is conducive to bone growth and is extremely beneficial to patient recovery.

[0013] As a preferred scheme of the adjustable Niti alloy intervertebral fusion cage, the adjusting groove of the adjusting mechanism is respectively arranged between the inner walls of the slot.

[0014] By using the above technical scheme, the slot can effectively provide a stable working position for the adjusting grooves respectively arranged between the inner walls.

[0015] As a preferred scheme of the adjustable Niti alloy intervertebral fusion cage, the fixing mechanism comprises a communication ring and a rotating ring, the outer side of the rotating ring is respectively rotatably connected with the inner walls of the communication ring, the inner walls of the rotating ring are respectively slidably connected with bone nails, the top surface of the bone nail is respectively provided with a sliding groove penetrating the bottom surface, the top wall and the bottom wall of the rotating ring are respectively fixedly provided with limiting blocks, the inner walls of the sliding groove are respectively slidably connected to the surfaces of the limiting blocks, and one end of the bone nail is respectively fixedly provided with a rotating column.

[0016] By adopting the above technical scheme, the rotating column is sequentially rotated to drive the bone nail to rotate and enter the spine block, the sliding grooves in the bottom surface are synchronously rotated by being respectively formed in the top surface and penetrating the bottom surface when the bone nail is rotated, the limiting block can effectively drive the limiting block and the rotating ring to rotate, the rotating ring is respectively connected to the inner wall of the communicating ring on the outside, and after all the bone nails enter the inside of the spine block, the cooperation of the limiting block, the sliding grooves and the communicating ring can effectively prevent the bone nails from falling off.

[0017] As a preferred scheme of the adjustable niti alloy interbody fusion cage, one end of the communicating ring of the fixing mechanism is respectively fixedly installed on the surface of one end of the sliding block of the adjusting mechanism and penetrates the surface of the other end.

[0018] By adopting the above technical scheme, the sliding block of the adjusting mechanism can effectively drive the communicating ring respectively installed on the surface of one end and penetrating the surface of the other end to effectively adjust.

[0019] As a preferred scheme of the adjustable niti alloy interbody fusion cage, one end of the rotating column of the fixing mechanism is respectively located between the inner parts of the notches.

[0020] By adopting the above technical scheme, by locating the rotating column of the fixing mechanism in the notches, the rotating column can be prevented from being exposed to cause adverse effects on the spine of the patient.

[0021] (Three) beneficial effects

[0022] The utility model provides a kind of adjustable niti alloy interbody fusion cage. It has the following beneficial effects:

[0023] 1. by increasing adjusting mechanism, by moving sliding block to make it slide between the inner wall of moving frame two sides, to realize up and down adjustment, if need to carry out left and right adjustment, can move sliding block to drive moving frame to slide in adjusting groove synchronously, this cooperation can effectively drive the fixing mechanism respectively arranged in adjusting mechanism to carry out multidirectional adjustment, so as to realize the effect that the spine block with size difference can be effectively fixed, solve the situation that if spine block exists size difference, and when using bone nail that is difficult to effectively adjust to fix, it is likely that fixed inappropriately occurs, in turn lead to poor actual use effect and other problems.

[0024] 2. by increasing notch, by locating the rotating column of fixing mechanism in the notch, the rotating column can be prevented from being exposed to cause adverse effects on the spine of the patient. DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0026] Figure 1 It is the whole front view structure schematic diagram of the present application.

[0027] Figure 2 It is the whole front view structure schematic diagram of the present application.

[0028] Figure 3 It is the whole left view half cut structure schematic diagram of the present application.

[0029] Figure 4 It is the whole A place amplification structure schematic diagram of the present application.

[0030] In the figure, 1, fixed plate;2, implant frame;3, growth hole;4, notch;5, adjusting mechanism;51, adjusting groove;52, moving frame;53, sliding block;6, fixing mechanism;61, communication ring;62, rotating ring;63, bone nail;64, sliding groove;65, limiting block;66, rotating column. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application.

[0032] Embodiment 1

[0033] Referring to Figures 1 to 4 , it is the first embodiment of the present application, which provides an adjustable niti alloy interbody fusion cage, which comprises a fixed plate 1 and a notch 4, the notch 4 is respectively arranged on one end surface of the fixed plate 1 and penetrates through the other end surface, the notch 4 is respectively provided with an adjusting mechanism 5, and the adjusting mechanism 5 is respectively provided with a fixing mechanism 6.

[0034] The adjusting mechanism 5 comprises an adjusting groove 51 and a moving frame 52, the bottom surface and the top surface of the moving frame 52 are respectively slidably connected to the bottom wall and the top wall of the adjusting groove 51, and the inner wall of the moving frame 52 is respectively slidably connected with a sliding block 53 between the two sides.

[0035] Specifically, the other end surface of the fixed plate 1 is fixedly provided with an implant frame 2, the inner wall of the implant frame 2 is respectively fixedly provided with a growth hole 3, and the adjusting groove 51 of the adjusting mechanism 5 is respectively arranged between the inner walls of the notch 4.

[0036] Further, the adjusting mechanism 5 is adjusted by moving the sliding block 53 to slide between the inner walls of the moving frame 52, so as to realize the up-down adjustment, and if the left-right adjustment is required, the sliding block 53 can drive the moving frame 52 to slide in the adjusting groove 51 synchronously, and the cooperation can effectively drive the fixing mechanism 6 arranged in the adjusting mechanism 5 to realize multi-directional adjustment, so as to realize the effect of effectively fixing the vertebral blocks with size difference.

[0037] The implant frame 2 is implanted in the required position, and the implant frame 2 can synchronously drive the growth holes 3 arranged on the inner walls to enter, the growth holes 3 are helpful for bone growth and are extremely beneficial to the recovery of the patient, the implant frame 2 is movably arranged on the surface of the other end of the fixing plate 1, and the slot 4 is arranged on the surface of one end of the fixing plate 1 and penetrates through the surface of the other end.

[0038] Embodiment 2

[0039] Reference Figures 1 to 4 For the first embodiment of the utility model, the embodiment is based on the previous embodiment, the fixing mechanism 6 comprises a communication ring 61 and a rotating ring 62, the outer side of the rotating ring 62 is rotatably connected with the inner wall of the communication ring 61, the inner wall of the rotating ring 62 is slidably connected with a bone screw 63, the top surface of the bone screw 63 is provided with a sliding groove 64 penetrating through the bottom surface, the top wall and the bottom wall of the rotating ring 62 are fixedly arranged with a limiting block 65, the inner wall of the sliding groove 64 is slidably connected with the surface of the limiting block 65, and one end of the bone screw 63 is fixedly arranged with a rotating column 66.

[0040] Specifically, one end of the communication ring 61 of the fixing mechanism 6 is fixedly arranged on one end surface of the sliding block 53 of the adjusting mechanism 5 and penetrates through the surface of the other end, and one end of the rotating column 66 of the fixing mechanism 6 is located between the slot 4.

[0041] Further, the fixing mechanism 6 is adjusted by sequentially rotating the rotating column 66 arranged at one end of the bone screw 63, driving the bone screw 63 to rotate and enter the spinal block, and synchronously rotating the sliding groove 64 arranged on the top surface and penetrating through the bottom surface when the bone screw 63 is rotated, and the sliding groove 64 can effectively drive the limiting block 65 and the rotating ring 62 to rotate, the outer side of the rotating ring 62 is rotatably connected with the inner wall of the communication ring 61, when all the bone screws 63 enter the inside of the spinal block, the cooperation of the limiting block 65, the sliding groove 64 and the communication ring 61 can effectively prevent the bone screws 63 from falling off, the outer side of the bone screw 63 is slidably connected with the inner wall of the rotating ring 62, the inner wall of the sliding groove 64 is slidably connected with the surface of the limiting block 65, and the sliding block 53 of the adjusting mechanism 5 can effectively drive the communication ring 61 arranged on one end surface and penetrating through the surface of the other end to realize the effective adjustment effect, and the rotating column 66 is located in the slot 4, so that the rotating column 66 cannot be exposed to cause adverse effects on the spine of the patient.

[0042] Working principle: implant the implant frame 2 in the desired position, and the implant frame 2 can drive the growth hole 3 installed in the inner wall into the growth hole 3, which helps the bone to grow into the patient's rehabilitation, and the implant frame 2 is movably installed on the other end surface of the fixed plate 1. The slot 4 is respectively arranged on one end surface of the fixed plate 1 and penetrates the other end surface.

[0043] The adjusting mechanism 5 can be adjusted up and down by moving the sliding block 53 to slide between the inner walls of the moving frame 52. If left and right adjustment is required, the sliding block 53 can drive the moving frame 52 to slide synchronously in the adjusting groove 51. This cooperation can effectively drive the fixing mechanism 6 arranged in the adjusting mechanism 5 to adjust in multiple directions, thereby achieving the effect of effectively fixing the spinal blocks with size difference. The adjusting groove 51 is respectively arranged between the inner walls of the slot 4.

[0044] The fixing mechanism 6 drives the bone screw 63 to rotate by rotating the rotating column 66 installed at one end of the bone screw 63 in sequence, and makes it enter the spinal block. When rotating the bone screw 63, the sliding groove 64 arranged on the top surface and penetrating the bottom surface is rotated synchronously, and the sliding groove 64 can effectively drive the limiting block 65 and the rotating ring 62 to rotate. The rotating ring 62 is rotatably connected to the inner wall of the communication ring 61 on the outside. When all the bone screws 63 enter the inside of the spinal block, the cooperation of the limiting block 65, the sliding groove 64 and the communication ring 61 can effectively prevent the bone screw 63 from falling off. The bone screw 63 is slidably connected to the inner wall of the rotating ring 62 on the outside. The sliding groove 64 is slidably connected to the surface of the limiting block 65 on both sides. The sliding block 53 of the adjusting mechanism 5 can effectively drive the communication ring 61 movably arranged on one end surface and penetrating the other end surface to achieve effective adjustment effect. The rotating column 66 is located in the slot 4, which can prevent the rotating column 66 from being exposed and causing adverse effects on the patient's spine.

[0045] It should be noted that in this text, relational 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.

Claims

1. An adjustable niti alloy intervertebral fusion cage comprising a fixation plate (1) and a slot (4), characterized in that: The notch (4) is respectively arranged on the surface of one end of the fixed plate (1) and penetrates through the surface of the other end, the adjusting mechanism (5) is respectively arranged in the notch (4), and the fixing mechanism (5) is respectively arranged in the adjusting mechanism (5). The adjusting mechanism (5) comprises an adjusting groove (51) and a moving frame (52), the bottom surface and the top surface of the moving frame (52) are respectively slidably connected to the bottom wall and the top wall of the adjusting groove (51), and the sliding blocks (53) are respectively slidably connected between the inner walls of the moving frame (52).

2. The adjustable niti alloy intervertebral fusion cage of claim 1, wherein: The other end surface of the fixed plate (1) is fixedly provided with the implantation frame (2), and the growth holes (3) are respectively fixedly arranged on the inner walls of the implantation frame (2).

3. The adjustable niti alloy intervertebral fusion cage of claim 2, wherein: The adjusting groove (51) of the adjusting mechanism (5) is respectively arranged between the inner walls of the notch (4).

4. The adjustable niti alloy intervertebral fusion cage of claim 1, wherein: The fixing mechanism (6) comprises a communication ring (61) and a rotating ring (62), the outer side of the rotating ring (62) is rotatably connected to the inner wall of the communication ring (61), the inner wall of the rotating ring (62) is slidably connected with the bone nail (63), the top surface of the bone nail (63) is provided with the sliding groove (64) penetrating through the bottom surface, the limiting blocks (65) are respectively fixedly arranged between the top wall and the bottom wall of the rotating ring (62), the inner walls on both sides of the sliding groove (64) are slidably connected to the surfaces on both sides of the limiting blocks (65), and one end of the bone nail (63) is fixedly provided with the rotating column (66).

5. The adjustable niti alloy intervertebral fusion cage of claim 4, wherein: One end of the communication ring (61) of the fixing mechanism (6) is fixedly arranged on the surface of one end of the sliding block (53) of the adjusting mechanism (5) and penetrates through the surface of the other end.

6. The adjustable niti alloy intervertebral fusion cage of claim 4, wherein: One end of the rotating column (66) of the fixing mechanism (6) is respectively located between the inner parts of the notch (4).

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