CN217548317U - Novel anterior cervical internal fixation fusion system - Google Patents
Novel anterior cervical internal fixation fusion system Download PDFInfo
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- CN217548317U CN217548317U CN202220127843.8U CN202220127843U CN217548317U CN 217548317 U CN217548317 U CN 217548317U CN 202220127843 U CN202220127843 U CN 202220127843U CN 217548317 U CN217548317 U CN 217548317U
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Abstract
The utility model discloses a novel anterior cervical spine internal fixation fuses system, belong to medical orthopedics apparatus technical field, its technical scheme main points include and fuse the ware body, fuse the ware body and include the steel sheet, the middle part fixedly connected with of steel sheet rear end face fuses the ware body, first screw hole and second screw hole have been seted up respectively to the left side top and the right side below of terminal surface before the steel sheet, first mounting screw and second mounting screw are installed to the inside difference screw thread of first screw hole and second screw hole, first mounting screw and second mounting screw slope installation, opposite direction, further strengthen the stability ability that fuses this body coupling of ware, and simultaneously, the installation stability ability that makes the fusion ware improves, the fusion ware is difficult for deviating from, be equipped with the mixture of Hydroxyapatite (HA) and artifical bone in the fusion ware body, the mixture of Hydroxyapatite (HA) and artifical bone is favorable to promoting the osteogenesis, accelerate the fusion speed, reduce postoperative false joint and form, the emergence of unfavorable events such as fusion ware sinks.
Description
Technical Field
The utility model relates to the technical field of medical orthopedic instruments, in particular to a novel anterior cervical internal fixation fusion system.
Background
Cervical spondylosis is a common and frequently encountered disease in spinal surgery. Various types of cervical spondylosis can cause limb pain and numbness, feelings of decline, unstable walking, incontinence of urine and feces and even paralysis. Patients who are refractory to conservative treatment often require surgical treatment. Wherein, the internal fixation (ACDF art) is the extensive mature art formula of using of cervical vertebra way intervertebral discectomy decompression bone grafting, and the internal fixation fuses the core part that the system fuses as the centrum, not only will provide the carrier for bone grafting, will effectually strut the clearance moreover, resumes the support of backbone, increases intervertebral foramen capacity, solves the nerve root pressurized, prevents that the intervertebral space from collapsing, avoids bone grafting slippage and false joint to form, should have good biomechanical property and biocompatibility moreover.
The existing internal fixation fusion system has the defects of postoperative dysphagia and the like caused by large stimulation of the esophagus by a steel plate; however, the commonly used Zero-notch internal fixation fusion system (Zero-P) in recent years has the defect of poor recovery effect on the physiological curvature of the cervical vertebra. Meanwhile, since fillers such as artificial bone or allogeneic bone and the like in the fusion cage need to be filled in the operation, not only the operation time is increased, but also the risk of implant infection is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide a novel anterior cervical spine internal fixation fuses system and solves above-mentioned problem.
The utility model discloses a realize like this, a novel anterior cervical spine internal fixation fuses system, including fusing the ware body, it includes the steel sheet to fuse the ware body, the middle part fixedly connected with of steel sheet rear end face fuses the ware body, first screw hole and second screw hole have been seted up respectively to the left side top and the right side below of terminal surface before the steel sheet, first mounting screw and second mounting screw are installed to the inside difference screw thread of first screw hole and second screw hole.
In order to strengthen this body coupling's of integration ware stability can, as the utility model discloses a novel anterior cervical spine internal fixation fuses system is preferred, the rear end direction of first mounting screw is up, the rear end direction of second mounting screw is down.
In order to be favorable to promoting the osteogenesis for merge speed reduces the emergence of adverse events such as postoperative artificial joint formation, fusion ware subsides, as the utility model discloses a novel anterior cervical spine internal fixation fuses system is preferred, the filling chamber has been seted up to the inside of fusion ware body, the inside packing in filling chamber has the filler, the filler is the mixture of hydroxyapatite and artificial bone.
In order to conveniently observe whether the implantation position of the fusion cage is satisfied, the utility model discloses a novel anterior cervical internal fixation fusion system is preferable, the up end of the fusion cage body is inserted perpendicularly and is equipped with three titanium thin rods for positioning, and is three the titanium thin rods for positioning are located the left and right sides and the rear of filling the chamber respectively.
In order to make the convenient fixed steel sheet of set screw and fuse the ware body, as the utility model discloses a novel anterior cervical spine internal fixation fuses that the system is preferred, fixed threaded hole has been seted up at the middle part of terminal surface before the steel sheet, fixed threaded hole's internal thread is connected with set screw, the steel sheet passes through set screw fixed connection with the ware body with fusing.
In order to strengthen the stability ability of the fusion cage body, make the fusion cage body when conducting external force, the aversion phenomenon can not appear, as the utility model discloses a novel anterior cervical spine internal fixation fuses system is preferred, the length and the steel sheet length of the fusion cage body are the same, the upper and lower both sides of the fusion cage body all are provided with the line.
Compared with the prior art, the beneficial effects of the utility model are that:
this kind of novel anterior cervical spine internal fixation fuses system, fuse the ware body and form a whole with steel sheet fixed connection, first installation screw and the slope installation of second installation screw, opposite direction, further strengthen the stability ability of fusing ware body coupling, and simultaneously, make the installation stability ability of fusing the ware improve, it is difficult for deviating from to fuse the ware, be equipped with the mixture of Hydroxyapatite (HA) and artificial bone in fusing the ware body, the mixture of Hydroxyapatite (HA) and artificial bone is favorable to promoting the osteogenesis, accelerate the fusion speed, reduce postoperative artificial joint formation, the emergence of unfavorable event such as the ware sinks, steel sheet area and thickness are all when littleer than traditional steel sheet, fixed strength HAs been guaranteed.
Drawings
FIG. 1 is a general structure diagram of the novel anterior cervical internal fixation system of the present invention;
FIG. 2 is a top view of the fusion cage of the present invention;
fig. 3 is a left view structural diagram of the fusion cage body of the present invention.
In the figure, 1, a fusion cage body; 2. a steel plate; 201. a first threaded hole; 202. a second threaded hole; 203. fixing the threaded hole; 3. a first mounting screw; 4. a second mounting screw; 5. a fusion device body; 501. filling the cavity; 502. a filler; 503. positioning the titanium thin rod; 6. and fixing the screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a novel anterior cervical internal fixation fusion system comprises a fusion device body 1, wherein the fusion device body 1 comprises a steel plate 2, a fusion device body 5 is fixedly connected to the middle of the rear end face of the steel plate 2, a first threaded hole 201 and a second threaded hole 202 are respectively formed in the upper left side and the lower right side of the front end face of the steel plate 2, and a first mounting screw 3 and a second mounting screw 4 are respectively installed in the first threaded hole 201 and the second threaded hole 202 in a threaded manner.
In this embodiment: the fusion cage body 5 and the steel plate 2 are fixedly connected to form a whole, a first threaded hole 201 and a second threaded hole 202 are respectively formed in the upper left side and the lower right side of the front end face of the steel plate 2, a first mounting screw 3 and a second mounting screw 4 are respectively installed in the first threaded hole 201 and the second threaded hole 202 in a threaded manner, the first mounting screw 3 and the second mounting screw 4 are installed in an inclined manner in opposite directions, the connection stability of the fusion cage body 1 is further improved, the mounting stability of the fusion cage is improved, the fusion cage is not prone to falling off, a mixture of Hydroxyapatite (HA) and artificial bones is filled in the fusion cage body 5, the mixture of the Hydroxyapatite (HA) and the artificial bones is beneficial to promoting osteogenesis, the fusion speed is increased, the occurrence of adverse events such as postoperative artificial joint formation and fusion cage sinking is reduced, the area and the thickness of the steel plate 2 are smaller than those of a traditional steel plate, and the fixing strength is ensured.
As a technical optimization scheme of the utility model, the rear end direction of first mounting screw 3 is up, and the rear end direction of second mounting screw 4 is down.
In this embodiment: the first mounting screw 3 and the second mounting screw 4 are obliquely mounted in opposite directions, so that the stability of the connection of the fusion cage body 1 is further enhanced.
As a technical optimization scheme of the utility model, the filling chamber 501 HAs been seted up to the inside of the fusion cage body 5, and the inside packing that fills chamber 501 HAs filler 502, and filler 502 is the mixture of hydroxyapatite HA and artificial bone.
In this embodiment: by arranging the filling cavity 501, the mixture of the Hydroxyapatite (HA) and the artificial bone is conveniently filled in the filling cavity 501, the mixture of the Hydroxyapatite (HA) and the artificial bone is beneficial to promoting osteogenesis, the fusion speed is accelerated, and adverse events such as postoperative artificial joint formation and fusion device sinking are reduced.
As a technical optimization scheme of the utility model, the upper end face of the fusion device body 5 is vertically inserted with three positioning titanium thin rods 503, and the three positioning titanium thin rods 503 are respectively positioned at the left side, the right side and the rear side of the filling cavity 501.
In this embodiment: through the three positioning thin titanium rods 503 in the fusion cage, and further through X-ray fluoroscopy, whether the implantation position of the fusion cage is satisfied or not can be observed conveniently.
As a technical optimization scheme of the utility model, fixed screw hole 203 has been seted up at the middle part of terminal surface before the steel sheet 2, and the inside threaded connection of fixed screw hole 203 has set screw 6, and steel sheet 2 and the fusion ware body 5 pass through set screw 6 fixed connection.
In this embodiment: by forming the fixing threaded hole 203, the fixing screw 6 is further conveniently installed, so that the fixing screw 6 conveniently fixes the steel plate 2 and the fusion cage body 5.
As a technical optimization scheme of the utility model, the length of the fusion device body 5 is the same as the length of the steel plate 2, and the upper and lower sides of the fusion device body 5 are provided with lines.
In this embodiment: the upper side and the lower side of the fusion device body 5 are provided with grains, so that the stability of the fusion device body 5 is enhanced, and the fusion device body 5 cannot shift when conducting external force.
The utility model discloses a theory of operation and use flow: the fusion cage body 5 and the steel plate 2 are fixedly connected to form a whole, a first threaded hole 201 and a second threaded hole 202 are respectively formed in the upper left side and the lower right side of the front end face of the steel plate 2, a first mounting screw 3 and a second mounting screw 4 are respectively and threadedly mounted in the first threaded hole 201 and the second threaded hole 202, the first mounting screw 3 and the second mounting screw 4 are obliquely mounted in opposite directions, the connection stability of the fusion cage body 1 is further enhanced, the mounting stability of the fusion cage is improved, the fusion cage is not easy to fall off, a mixture of Hydroxyapatite (HA) and artificial bones is filled in the fusion cage body 5, the mixture of the Hydroxyapatite (HA) and the artificial bones is beneficial to promoting osteogenesis, the fusion speed is increased, adverse events such as postoperative artificial joint formation and fusion cage sinking are reduced, the area and the thickness of the steel plate 2 are smaller than those of the traditional steel plate, and the fixing strength is ensured.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. The utility model provides a novel anterior cervical spine internal fixation fuses system, includes fuses ware body (1), its characterized in that: the fusion cage comprises a fusion cage body (1) and a fusion cage body (5), wherein the fusion cage body (5) is fixedly connected to the middle of the rear end face of the steel plate (2), a first threaded hole (201) and a second threaded hole (202) are respectively formed in the upper left side and the lower right side of the front end face of the steel plate (2), a first mounting screw (3) and a second mounting screw (4) are respectively installed in the first threaded hole (201) and the second threaded hole (202) in a threaded mode, the rear end of the first mounting screw (3) faces upwards, and the rear end of the second mounting screw (4) faces downwards;
a filling cavity (501) is formed in the fusion device body (5), a filler (502) is filled in the filling cavity (501), three positioning titanium thin rods (503) are vertically inserted into the upper end face of the fusion device body (5), and the three positioning titanium thin rods (503) are respectively positioned on the left side, the right side and the rear side of the filling cavity (501);
the middle part of the front end face of the steel plate (2) is provided with a fixing threaded hole (203), the inner thread of the fixing threaded hole (203) is connected with a fixing screw (6), and the steel plate (2) and the fusion device body (5) are fixedly connected through the fixing screw (6).
2. The novel anterior cervical internal fixation fusion system according to claim 1, wherein: the length of the fusion device body (5) is the same as that of the steel plate (2), and the upper side and the lower side of the fusion device body (5) are provided with grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127843.8U CN217548317U (en) | 2022-01-18 | 2022-01-18 | Novel anterior cervical internal fixation fusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127843.8U CN217548317U (en) | 2022-01-18 | 2022-01-18 | Novel anterior cervical internal fixation fusion system |
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| Publication Number | Publication Date |
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| CN217548317U true CN217548317U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220127843.8U Active CN217548317U (en) | 2022-01-18 | 2022-01-18 | Novel anterior cervical internal fixation fusion system |
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| CN (1) | CN217548317U (en) |
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- 2022-01-18 CN CN202220127843.8U patent/CN217548317U/en active Active
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