CN215307055U - Lumbar vertebra fusion cage - Google Patents
Lumbar vertebra fusion cage Download PDFInfo
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- CN215307055U CN215307055U CN202023349068.0U CN202023349068U CN215307055U CN 215307055 U CN215307055 U CN 215307055U CN 202023349068 U CN202023349068 U CN 202023349068U CN 215307055 U CN215307055 U CN 215307055U
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Abstract
The utility model belongs to the technical field of medical instruments, and particularly relates to a lumbar fusion cage. The upper surface and the lower surface of the fusion cage main body are respectively provided with a pair of barb racks; an adjusting slot is arranged in the middle of the left end of the fusion cage main body, a pair of penetrating fixing hole seats are respectively arranged on the upper side and the lower side of the adjusting slot, and connecting steel nails are obliquely screwed in the penetrating fixing hole seats; fuse the inside of ware main part and be provided with flexible regulation bed hedgehopping, the left end of flexible regulation bed hedgehopping is connected with fixed end seat, and the centre of flexible regulation bed hedgehopping is provided with useful adjustment tank, and the inside swing joint of adjustment tank has adjusting screw, and adjusting screw's centre has cup jointed the regulation cylinder roof beam, and the centre of adjustment tank is provided with several arc draw-in groove. The character of the fusion cage can be finely adjusted according to actual needs, so that the method is more suitable for the actual needs, and the positioning is more accurate and stable; preventing relative sliding of the cage.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a lumbar fusion cage.
Background
The interbody fusion cage is used for the fusion operation of bones, is suitable for the lumbar degenerative instability with various reasons and the patients with intervertebral disc protrusion or spinal stenosis needing posterior decompression; the lumbar vertebra is unstable after operation, and posterior pedicle screw fixation needs to be performed simultaneously; lumbago due to intervertebral disc, anterior surgery limitation; for lumbar spondylolisthesis due to various reasons, it is necessary to perform both decompression and reduction of the vertebral canal.
The intervertebral fusion device often appears the intervertebral fusion device and vertebrae be connected not closely in the use, appears local connection or supports the vacancy easily, leads to the poor problem of postoperative effect.
SUMMERY OF THE UTILITY MODEL
Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims to provide a lumbar vertebra fusion cage which is simple in structure, reasonable in design and convenient to use, can finely adjust the properties of the fusion cage according to actual needs, is more suitable for the actual needs, and enables the positioning to be more accurate and stable; preventing relative sliding of the cage.
In order to achieve the purpose, the utility model adopts the technical scheme that: the device comprises a fusion cage main body, a barb rack, an inserting fixing hole seat, a connecting steel nail, a flexible adjusting cushion frame, a fixing end seat, an adjusting groove, an adjusting screw rod, an adjusting cylindrical beam, an arc-shaped clamping groove and an adjusting slot; the upper surface and the lower surface of the fusion cage main body are respectively provided with a pair of barb racks; an adjusting slot is arranged in the middle of the left end of the fusion cage main body, a pair of penetrating fixing hole seats are respectively arranged on the upper side and the lower side of the adjusting slot, and connecting steel nails are obliquely screwed in the penetrating fixing hole seats; fuse the inside of ware main part and be provided with flexible regulation bed hedgehopping, the left end of flexible regulation bed hedgehopping is connected with fixed end seat, and the centre of flexible regulation bed hedgehopping is provided with useful adjustment tank, and the inside swing joint of adjustment tank has adjusting screw, and adjusting screw's centre has cup jointed the regulation cylinder roof beam, and the centre of adjustment tank is provided with several arc draw-in groove.
Preferably, the middle of the adjusting cylindrical beam is provided with an internal thread sleeve, and the internal thread sleeve is matched and screwed with the adjusting screw rod to realize the adjustment of the adjusting cylindrical beam.
Preferably, the fixed end seat is internally provided with an adjusting head, and the adjusting head is matched with the end part of the adjusting screw rod.
Preferably, the adjusting cylindrical beam is forwards pushed and clamped inside the arc-shaped clamping groove through rotation of the adjusting screw rod, and the local thickness of the fusion cage main body is adjusted to meet intervertebral support.
Preferably, the adjusting slot is communicated with the left side of the fixed end seat, so that the adjusting head is exposed and is convenient to adjust.
After adopting the structure, the utility model has the beneficial effects that: the character of the fusion cage can be finely adjusted according to actual needs, so that the method is more suitable for the actual needs, and the positioning is more accurate and stable; preventing relative sliding of the cage.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the adjustment state of the present invention;
fig. 4 is an overall structural view of the flexible adjusting shim stock 5 of the present invention.
Description of reference numerals: fuse ware main part 1, barb rack 2, alternate fixed orifices seat 3, connect steel nail 4, flexible adjusting pad frame 5, fixed end seat 6, adjustment tank 7, adjusting screw 8, regulation cylinder roof beam 9, arc draw-in groove 10, regulation slot 11, regulation head 12, internal thread cover 13.
Detailed Description
In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Referring to fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the fusion cage comprises a fusion cage body 1, a barb rack 2, an inserting fixing hole seat 3, a connecting steel nail 4, a flexible adjusting cushion frame 5, a fixing end seat 6, an adjusting groove 7, an adjusting screw 8, an adjusting cylindrical beam 9, an arc-shaped clamping groove 10 and an adjusting slot 11; the upper surface and the lower surface of the fusion cage main body 1 are respectively provided with a pair of barb racks 2; an adjusting slot 11 is arranged in the middle of the left end of the fusion cage main body 1, a pair of penetrating fixing hole seats 3 are respectively arranged on the upper side and the lower side of the adjusting slot 11, and connecting steel nails 4 are obliquely screwed in the penetrating fixing hole seats 3; fuse the inside of ware main part 1 and be provided with flexible regulation cushion frame 5, the left end of flexible regulation cushion frame 5 is connected with fixed end seat 6, and the centre of flexible regulation cushion frame 5 is provided with useful adjustment tank 7, and the inside swing joint of adjustment tank 7 has adjusting screw 8, and adjusting screw 8's centre has cup jointed regulation cylinder roof beam 9, and the centre of adjustment tank 7 is provided with several arc draw-in groove 10.
An internal thread sleeve 13 is arranged in the middle of the adjusting cylindrical beam 9, and the internal thread sleeve 13 is matched and screwed with the adjusting screw 8 to realize the adjustment of the adjusting cylindrical beam 9; an adjusting head 12 is arranged inside the fixed end seat 6, and the adjusting head 12 is matched with the end part of the adjusting screw 8; the adjusting cylindrical beam 9 is forwards pushed by the rotation of the adjusting screw 8 to be clamped in the arc-shaped clamping groove 10, and the local thickness of the fusion cage main body 1 is adjusted to meet intervertebral support; the adjusting slot 11 is communicated with the left side of the fixed end seat 6, so that the adjusting head 12 is exposed and is convenient to adjust.
The working principle of the specific embodiment is as follows: the inside that has regulation slot 11 at first pegs graft with adjusting tool makes it be connected with the regulation head 12 in the fixed end seat 6, then manual rotatory regulation head 12 drives adjusting screw 8 and rotates, will adjust the cylinder roof beam 9 and slowly promote forward, makes its joint inside arc draw-in groove 10 to the form of changing 1 middle sections of fusion cage main part or front end makes it present the joint that the arc structure can be fine and realize closely supporting in the intervertebral.
After adopting above-mentioned structure, this embodiment beneficial effect does: the character of the fusion cage can be finely adjusted according to actual needs, so that the method is more suitable for the actual needs, and the positioning is more accurate and stable; preventing relative sliding of the cage.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A lumbar vertebra fusion cage is characterized in that: the fusion cage comprises a fusion cage body (1), barb racks (2), an inserting fixing hole seat (3), a connecting steel nail (4), a flexible adjusting cushion frame (5), a fixing end seat (6), an adjusting groove (7), an adjusting screw (8), an adjusting cylindrical beam (9), an arc-shaped clamping groove (10) and an adjusting slot (11); the upper surface and the lower surface of the fusion cage main body (1) are respectively provided with a pair of barb racks (2); an adjusting slot (11) is arranged in the middle of the left end of the fusion cage main body (1), a pair of penetrating fixing hole seats (3) are respectively arranged on the upper side and the lower side of the adjusting slot (11), and connecting steel nails (4) are obliquely screwed in the penetrating fixing hole seats (3); the inner part of the fusion device main body (1) is provided with a flexible adjusting cushion frame (5), the left end of the flexible adjusting cushion frame (5) is connected with a fixed end seat (6), an adjusting groove (7) is arranged in the middle of the flexible adjusting cushion frame (5), an adjusting screw rod (8) is movably connected in the adjusting groove (7), an adjusting cylindrical beam (9) is sleeved in the middle of the adjusting screw rod (8), and a plurality of arc-shaped clamping grooves (10) are formed in the middle of the adjusting groove (7).
2. The lumbar fusion cage of claim 1, wherein: the adjusting device is characterized in that an internal thread sleeve (13) is arranged in the middle of the adjusting cylindrical beam (9), and the internal thread sleeve (13) is matched and screwed with the adjusting screw rod (8) to realize adjustment of the adjusting cylindrical beam (9).
3. The lumbar fusion cage of claim 1, wherein: the inside of fixed end seat (6) be provided with regulation head (12), adjust head (12) and adjusting screw (8) tip cooperation.
4. The lumbar fusion cage of claim 1, wherein: the adjusting cylindrical beam (9) is forwards pushed to be clamped inside the arc-shaped clamping groove (10) through rotation of the adjusting screw rod (8), and the local thickness of the fusion cage main body (1) is adjusted to meet intervertebral support.
5. The lumbar fusion cage of claim 1, wherein: the adjusting slot (11) is communicated with the left side of the fixed end seat (6), so that the adjusting head (12) is exposed and is convenient to adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023349068.0U CN215307055U (en) | 2020-12-31 | 2020-12-31 | Lumbar vertebra fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023349068.0U CN215307055U (en) | 2020-12-31 | 2020-12-31 | Lumbar vertebra fusion cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215307055U true CN215307055U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023349068.0U Active CN215307055U (en) | 2020-12-31 | 2020-12-31 | Lumbar vertebra fusion cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215307055U (en) |
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2020
- 2020-12-31 CN CN202023349068.0U patent/CN215307055U/en active Active
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