CN201586059U - Posterior cervical vertebra canal fixing system - Google Patents
Posterior cervical vertebra canal fixing system Download PDFInfo
- Publication number
- CN201586059U CN201586059U CN2010203001639U CN201020300163U CN201586059U CN 201586059 U CN201586059 U CN 201586059U CN 2010203001639 U CN2010203001639 U CN 2010203001639U CN 201020300163 U CN201020300163 U CN 201020300163U CN 201586059 U CN201586059 U CN 201586059U
- Authority
- CN
- China
- Prior art keywords
- escape
- neck way
- way
- rod
- neck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a posterior cervical vertebra canal fixing system, which comprises two bilaterally symmetrically arranged posterior neck canal plates, two bilaterally symmetrically arranged posterior neck canal rods, a transversal connecting device, posterior neck canal plate nails, posterior neck canal rod nails, and screw plugs, wherein a plurality of hole slots are formed on the posterior neck canal plates; one end of each of posterior neck canal rod is respectively connected with one end of each of the posterior neck canal plate; the transversal connecting device is arranged between the two posterior neck canal rods with two ends which are respectively connected to the two posterior neck canal rods; the posterior neck canal plates and the occipital bone of human body are connected through the posterior neck canal plate nails via hole slots; the posterior neck canal rod nails are provided with U-shaped groove structures through which the posterior neck canal rods penetrate; and the posterior neck canal rod nails and the posterior neck canal rods are locked firmly through the screw plugs via the U-shaped groove structures. The posterior cervical vertebra canal fixing system can meet the requirements of cervical vertebra internal fixation operation with good reposition and the fixation effects, and is used for keeping the natural physiological curvature of the pathologic changed spine so as to restore the normally physiological function of human body spine.
Description
[technical field]
This utility model relates to a kind of orthopaedics medical apparatus and instruments, when especially a kind of cervical spondylosis or damage, is used for cervical vertebra is carried out fixed posterior cervical fixed system.
[background technology]
The following cervical spondylosis of cervical spondylosis patient is in the majority.Regression, narrow, bone regeneration, shakiness etc. are common clinical reason sign, can have a strong impact on patient's daily life, work, quality of life.Surgical operation is one of at present effective Therapeutic Method, and the purpose of operation is to recover again the normal sequence of cervical vertebra and curvature, height and the mobility of cervical vertebra, keeps the stability of cervical vertebra, and improves bone pressurized function of nervous system.Along with the appearance of all kinds of new operation theories and the improvement of internal fixation of spine technology, the clinical operation method also constantly improves.
Along with the development and the problem of an aging population of industry, traffic, cervical vertebra wound and illness are ascendant trend year by year.Wherein the patient of considerable part is when carrying out surgical intervention, the reconstruction that must adopt implant to implant to carry out structure or function etc.The fixed application of domestic posterior cervical clinically at present is quite extensive, wherein be mainly derived from the internal fixation device of external manufacturer production, the anatomic data of these implants main reference foreigner in development process, therefore not too be fit to Chinese anatomic characteristic in design, and prices are rather stiff for implant, general Chinese are difficult to bear, and shortcomings such as the equal ubiquity product of more domestic products is single, technology is coarse, most employing stainless steel materials, the development need of incompatibility spinal surgery.For satisfying market demand, be necessary to design the posterior cervical fixed system that a kind of Chinese of meeting use.
[summary of the invention]
For overcoming above-mentioned technological deficiency, the posterior cervical fixed system that this utility model provides has good biomechanical property, has good stable, satisfies the requirement of patient's early ambulant.This implant design science takes into full account Chinese anatomic characteristic, is fit to Chinese and uses, and has practical characteristics, can satisfy the demand of cervical spine malformation, corrigent internal fixation operation.
This utility model provides a kind of posterior cervical fixed system, comprising: two neck way of escape plates that left-right symmetric is arranged, and neck way of escape plate is provided with a plurality of hole slots; Two neck way of escape rods that left-right symmetric is arranged, an end of two neck way of escape rods links to each other with an end of two neck way of escape plates respectively; Cross-connecting apparatus, cross-connecting apparatus are arranged between two neck way of escape rods and the two ends of cross-connecting apparatus are connected on two neck way of escape rods; Neck way of escape plate links to each other neck way of escape plate by hole slot with nail with nail, neck way of escape plate with the human body occipital bone; Neck way of escape rod has a U type groove structure with nail, neck way of escape rod with nail, and neck way of escape rod passes a U type groove structure; Plug screw, plug screw are used neck way of escape rod by a U type groove structure and are followed closely and the locking of neck way of escape rod.
According to a preferred embodiment of the present utility model, the posterior cervical fixed system comprises the spinal hook that is connected on the neck way of escape rod.
According to a preferred embodiment of the present utility model, spinal hook has the 2nd U type groove structure, and neck way of escape rod passes the 2nd U type groove structure, and plug screw is locked spinal hook and neck way of escape rod by the 2nd U type groove structure.
According to a preferred embodiment of the present utility model, spinal hook adopts the buttless thread thread form with being threaded of plug screw.
According to a preferred embodiment of the present utility model, neck way of escape rod is universal design with nail.
According to a preferred embodiment of the present utility model, plug screw is the trapezoidal thread plug screw.
According to a preferred embodiment of the present utility model, cross-connecting apparatus comprises tranverse connecting rod with hole slot and the horizontal head that connects with the 3rd U type groove structure, and neck way of escape rod passes the 3rd U type groove structure, and plug screw connects head and neck way of escape rod lock with tranverse connecting rod with horizontal by hole slot.
According to a preferred embodiment of the present utility model, neck way of escape plate is provided with hole slot, and neck way of escape plate is that sphere is connected design with neck way of escape plate with the contact site between the nail.
According to a preferred embodiment of the present utility model, neck way of escape plate can be to any direction bending.
This utility model posterior cervical fixed system can satisfy the demand of cervical vertebra internal fixation operation, reset and fixed effect good, be used to keep the natural physiological bending of pathological changes spinal column, recover human spine's normal physiological function.
[description of drawings]
Fig. 1 is the vertical view according to this utility model one embodiment posterior cervical fixed system;
Fig. 2 is the side view according to this utility model one embodiment posterior cervical fixed system;
Fig. 3 has illustrated this utility model posterior cervical fixed system neck way of escape plate and the neck way of escape plate sketch map of following closely annexation;
Fig. 4 is according to the straight hook of the neck way of escape of this utility model one embodiment posterior cervical fixed system and the cutaway view of the oblique hook of the neck way of escape;
Fig. 5 is the sketch map of annexation between the oblique hook of the neck way of escape, trapezoidal thread plug screw and the neck way of escape rod that has illustrated this utility model posterior cervical fixed system; And
Fig. 6 has illustrated the sketch map of the neck way of escape rod of this utility model posterior cervical fixed system with annexation between nail, trapezoidal thread plug screw and the neck way of escape rod.
[specific embodiment]
Relevant feature of the present utility model and technology contents please refer to following detailed description and accompanying drawing, and accompanying drawing only provides reference and explanation, is not to be used for this utility model is limited.
Fig. 1 is the vertical view of this utility model posterior cervical fixed system, and Fig. 2 is the side view of this utility model posterior cervical fixed system.This posterior cervical fixed system comprises: neck way of escape plate 1; Neck way of escape rod 2; Neck way of escape plate is with following closely 3; Neck way of escape rod is with following closely 4; Trapezoidal thread plug screw 5; Spinal hook 6 and cross-connecting apparatus 7.
Two neck way of escape plate 1 left-right symmetric are arranged; Two neck way of escape rod 2 left-right symmetric are arranged, and an end of two neck way of escape rods 2 links to each other with an end of two neck way of escape plates 1 respectively; Connected by cross-connecting apparatus 7 between two neck way of escape rods 2, cross-connecting apparatus 7 is made up of with tranverse connecting rod 9 horizontal company 8, and cross-connecting apparatus 7 two ends are connected on two neck way of escape rods 2.Horizontal company 8 and tranverse connecting rod 9 connect into an integral body with neck way of escape rod 2, realize complete support.Cross-connecting apparatus 7 can farthest increase the stability of whole fixed system.The posterior cervical fixed system realizes that with being connected by neck way of escape plate 1 of human body occipital bone the posterior cervical fixed system was realized with being connected by pitman 2 of cervical vertebra.Neck way of escape plate 1 is fixed in the human body occipital bone by neck way of escape plate with nail 3.Neck way of escape rod 2 links to each other with neck way of escape plate 1, and neck way of escape rod 2 is fixed in human cervical spine by neck way of escape rod with nail 4.In addition, except that employing neck way of escape rod is fixed with nail 4, also can adopt spinal hook 6 that neck way of escape rod 2 is fixed in cervical vertebra.
Fig. 3 has illustrated this utility model posterior cervical fixed system neck way of escape plate 1 and the annexation of neck way of escape plate with nail 3.Neck way of escape plate 1 is provided with a plurality of hole slots, and neck way of escape plate is fixed in neck way of escape plate 1 on the occipital bone by these hole slots with nail 3.Hole slot on the neck way of escape plate 1 comprises first hole slot 10 and second hole slot 11.First hole slot 10 has adopted sphere to be connected design A with neck way of escape plate with the contact site between the nail 3, first hole slot 10 is spherical hole slot, neck way of escape plate adopts the sphere design with ailing head 31 profiles, the internal diameter of first hole slot 10 and neck way of escape plate are complementary with the external diameter of ailing head 31, such sphere connects design A can realize internal fixation multi-direction, multi-angle, makes neck way of escape plate can obtain cooperating of the best with between nail 3 and neck way of escape plate 1 and the occipital bone.Second hole slot 11 is strip hole slot and this strip hole slot and neck way of escape plate 1 parallel longitudinal, second hole slot 11 also adopts spherical incisura design, the bore of this sphere incisura design and neck way of escape plate are complementary with the external diameter of ailing head 31, and make neck way of escape plate have bigger modulability with nail 3 positions of squeezing into and direction.In addition, neck way of escape plate 1 can comprise and reversing to any direction bending, and can not have influence on the interface of neck way of escape plate with nail 3.In addition, as distortion, the hole slot on the neck way of escape plate 1 can all adopt the structure of similar first hole slot 10 also can all adopt the structure of similar second hole slot 11.
Fig. 4 is the cutaway view of straight hook 61 of this utility model posterior cervical fixed system neck way of escape and the oblique hook 62 of the neck way of escape.Spinal hook 6 has the straight hook 61 of the neck way of escape and 62 two kinds of concrete mechanisms of the oblique hook of the neck way of escape.Straight hook 61 of the neck way of escape or the oblique hook 62 of the neck way of escape all adopt top locking, and single locking device is easy to neck way of escape rod 2 and resets, and oblique hook 62 heads of the straight hook 61 of the neck way of escape and the neck way of escape are directed design.Fig. 5 has illustrated the annexation between the oblique hook 62 of the neck way of escape, trapezoidal thread plug screw 5 and the neck way of escape rod 2 of this utility model posterior cervical fixed system.Orientation with the oblique hook 62 of the neck way of escape is designed to example, this single locking device comprises oblique hook 62 heads of the neck way of escape is made as U type opening 12, neck way of escape rod 2 passes and carries out top locking by trapezoidal thread plug screw 5 from U type opening 12, thereby the oblique hook 62 of the neck way of escape is connected and fixed with neck way of escape rod 2.This kind design is easier to install, and has reduced in the operation damage to surrounding tissue.In addition, straight hook 61 of the neck way of escape and the oblique hook 62 of the neck way of escape have adopted special buttless thread thread form (not shown) with being threaded of trapezoidal thread plug screw 5, the power of holding tightly to neck way of escape rod 2 is stronger, dropped to the tension force of straight hook 61 of the neck way of escape and oblique hook 62 heads of the neck way of escape minimum, and it is simple in structure, easy to operate.
The neck way of escape that Fig. 6 has illustrated this utility model posterior cervical fixed system is excellent with the annexation between nail 3, trapezoidal thread plug screw 55 and the neck way of escape rod 2.Neck way of escape rod can adopt top locking with nail 4, and single locking device is easy to neck way of escape rod 2 and resets.Neck way of escape rod adopts universal design with nail 4, concrete, neck way of escape rod is made as U type opening 22 with ailing head 41, neck way of escape rod is provided with oblique spherical hole slot 13 with ailing head 41 bottoms, neck way of escape rod can be separated with ailing body 42 with ailing head 41 and neck way of escape rod, neck way of escape rod passes oblique spherical hole slot 13 with ailing body 42 and neck way of escape rod is made as spherical structure with ailing body 42 with the part that oblique spherical hole slot 13 contacts, the internal diameter of the external diameter of this spherical structure and oblique spherical hole slot 13 is complementary, thereby make the neck way of escape rod can be around oblique spherical hole slot 13 55 degree fixed angle in any direction with nail 4, be more suitable for the human dissection position, and neck way of escape rod is easy to be arranged in a straight line with ailing head 41, and the plasticity requirement of neck way of escape rod 2 is reduced to minimum.Neck way of escape rod 2 is passed and carries out top locking by trapezoidal thread plug screw 55 from U type opening 22, thereby neck way of escape rod is connected with the neck way of escape excellent 2 with nail 4.This kind design is easier to install, and has reduced in the operation damage to surrounding tissue.In addition, as distortion, neck way of escape rod also can adopt directed project organization (not shown) with nail, this orientation project organization is that with the excellent difference part with the universal project organization of nail of the above-mentioned neck way of escape neck way of escape rod is designed to one with ailing H﹠N way of escape rod with the ailing body and can not separates, so neck way of escape rod uses the ailing body not rotate with the ailing head around neck way of escape rod.
The posterior cervical fixed system that this utility model disclosed can be with various suitable material manufacture, in preferred embodiment, it can adopt the manufacturing of material titanium alloy ti6al4v, wherein the elastic modelling quantity of this kind titanium alloy and skeleton are more approaching, good biocompatibility with human body, have highly anti-fatigue performance, outstanding corrosion resistance,, postoperative little to the growth effect of osseous tissue can carry out the inspection of MRI (nuclear magnetic resonance imaging NMR (Nuclear Magnetic Resonance)-imaging) and CT (computedtomography electronic computer x-ray tomography).
Therefore, the posterior cervical fixed system that this utility model disclosed has the morphology of suitable Chinese's cervical vertebra, can not produce slip in implantation process, can guarantee injured vertebra sections stability and can guarantee the advantage that intrasystem screw can not come off.
In the above-described embodiments, only this utility model has been carried out exemplary introduction, but those skilled in the art can carry out various modifications to this utility model after reading present patent application under the situation that does not break away from spirit and scope of the present utility model.
Claims (1)
1. a posterior cervical fixed system is characterized in that, described posterior cervical fixed system comprises:
Two neck way of escape plates that left-right symmetric is arranged, described neck way of escape plate is provided with a plurality of hole slots;
Two neck way of escape rods that left-right symmetric is arranged, an end of described two neck way of escape rods links to each other with an end of described two neck way of escape plates respectively;
Cross-connecting apparatus, described cross-connecting apparatus are arranged between described two neck way of escape rods and the two ends of described cross-connecting apparatus are connected on described two neck way of escape rods;
Neck way of escape plate links to each other described neck way of escape plate by described hole slot with nail with nail, described neck way of escape plate with the human body occipital bone;
Neck way of escape rod has a U type groove structure with nail, described neck way of escape rod with nail, and described neck way of escape rod passes a described U type groove structure;
Plug screw, described plug screw are used described neck way of escape rod by a described U type groove structure and are followed closely and the locking of described neck way of escape rod.
2.
Posterior cervical fixed system according to claim 1 is characterized in that, described posterior cervical fixed system comprises the spinal hook that is connected on the described neck way of escape rod.
3.
Posterior cervical fixed system according to claim 2, it is characterized in that, described spinal hook has the 2nd U type groove structure, and described neck way of escape rod passes described the 2nd U type groove structure, and plug screw is locked described spinal hook and described neck way of escape rod by described the 2nd U type groove structure.
4.
Posterior cervical fixed system according to claim 3 is characterized in that, described spinal hook adopts the buttless thread thread form with being threaded of described plug screw.
5.
Posterior cervical fixed system according to claim 1 is characterized in that, described neck way of escape rod is universal design with nail.
6.
Posterior cervical fixed system according to claim 1 is characterized in that, described plug screw is the trapezoidal thread plug screw.
7.
Posterior cervical fixed system according to claim 1, it is characterized in that, described cross-connecting apparatus comprises tranverse connecting rod with hole slot and the horizontal head that connects with the 3rd U type groove structure, described neck way of escape rod passes described the 3rd U type groove structure, plug screw by described hole slot with described tranverse connecting rod and described horizontal connect head and the locking of described neck way of escape rod.
8.
Posterior cervical fixed system according to claim 1 is characterized in that, described neck way of escape plate is that sphere is connected design with described neck way of escape plate with the contact site between the nail.
9.
Posterior cervical fixed system according to claim 1 is characterized in that, described neck way of escape plate can be to any direction bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203001639U CN201586059U (en) | 2010-06-30 | 2010-06-30 | Posterior cervical vertebra canal fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203001639U CN201586059U (en) | 2010-06-30 | 2010-06-30 | Posterior cervical vertebra canal fixing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201586059U true CN201586059U (en) | 2010-09-22 |
Family
ID=42745824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203001639U Expired - Fee Related CN201586059U (en) | 2010-06-30 | 2010-06-30 | Posterior cervical vertebra canal fixing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201586059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772241A (en) * | 2011-05-11 | 2012-11-14 | 上海鼎桥生物科技有限公司 | Minimally invasive internal fixation fusion system for anterior spinal column |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
| CN105534586A (en) * | 2014-11-04 | 2016-05-04 | 余新光 | Posterior occipitocervical memory repositor |
-
2010
- 2010-06-30 CN CN2010203001639U patent/CN201586059U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772241A (en) * | 2011-05-11 | 2012-11-14 | 上海鼎桥生物科技有限公司 | Minimally invasive internal fixation fusion system for anterior spinal column |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
| CN105534586A (en) * | 2014-11-04 | 2016-05-04 | 余新光 | Posterior occipitocervical memory repositor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090125067A1 (en) | In-line occipital plate and method of use | |
| JP6231070B2 (en) | Improved occipital plate system | |
| EP2975599B1 (en) | Growing spine model | |
| CN201586059U (en) | Posterior cervical vertebra canal fixing system | |
| CN107822747B (en) | 3D prints pillow neck and fuses fixing device | |
| CN203619645U (en) | Minimally invasive spine prying reconstructive external fixator | |
| EP2881054A1 (en) | Spinal stabilization system including shaped spinal rod | |
| US20110004249A1 (en) | Flexible spinal fixation device and rod thereof | |
| CN103190948B (en) | Internal vertebra fixing device | |
| CN203988314U (en) | A kind of novel adjustable cervical vertebra forming board | |
| CN204410947U (en) | A kind of can the vertebra dynamic pedicle screw system of fine motion | |
| CN108125711B (en) | Lumbar vertebra isthmus split internal fixation device | |
| CN204410946U (en) | A kind of elastic vertebra dynamic pedicle screw system | |
| US20160135845A1 (en) | Growing spinal rods and pedicle screws for securing multiple spinal rods | |
| CN203153921U (en) | Child occipitocervical internal fixation system | |
| CN202223330U (en) | Internal fixing system for cervical posterior approach | |
| CN204655198U (en) | A kind of artificial dentata | |
| CN203988323U (en) | A kind of occipital plate and surgical fixation system | |
| CN2484919Y (en) | Pillow for tracting cervical vertebrae | |
| CN209091753U (en) | Dynamic and static stabilizer between a kind of spine plate | |
| CN203647455U (en) | Inter-spinous-laminar universal dynamic stabilizer | |
| CN204428141U (en) | A kind of drawing three vertebra double gap way of escape Nonfusion fixation systems | |
| CN204428142U (en) | The drawing Nonfusion fixation system of a kind of extended pattern | |
| CN204951122U (en) | Individualized chest lumbar vertebrae sagittal curvature mould stick | |
| CN205339095U (en) | Novel universal screw of short -tail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20120630 |