CN202184787U - Anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata - Google Patents
Anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata Download PDFInfo
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- CN202184787U CN202184787U CN201120134687XU CN201120134687U CN202184787U CN 202184787 U CN202184787 U CN 202184787U CN 201120134687X U CN201120134687X U CN 201120134687XU CN 201120134687 U CN201120134687 U CN 201120134687U CN 202184787 U CN202184787 U CN 202184787U
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- resets
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Abstract
The utility model belongs to inner fixing devices for orthopedic surgery, and particularly relates to an anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata. The anterior submandibular approach fixing titanium-plate resetting through joint atlas and dentata is characterized in that the outer contour of a resetting and fixing titanium-plate body takes the shape of a butterfly, and the cross section of the plate body is arc-shaped; two corners at the upper part of the plate body are respectively provided with a symmetrically fixing hole, and the fixing hole is used for twisting a screw which enters a lateral atlas block to be fixed through an atlantoaxial joint; two fixing holes which are symmetrical with each other and are used for fixing the plate body on the dentata are arranged below the plate body; and a resetting fixing hole is arranged in the middle part of the plate body. The anterior submandibular approach resetting and fixing titanium-plate is used for treatment of fracture dislocation of throat anterior submandibular approach, and has the functions of immediate resetting and locking.
Description
Technical field
This utility model belongs to Orthopeadic Surgery and uses inner fixer, under the jaw of especially preceding road approach through the extensive region, joint the dentata fixedly titanium plate that resets.
Background technology
Extensive region dentata fracture dislocation causes the extensive region dentata unstable, prolongs spinal cord, vertebral artery, nerve root is oppressed or dynamic stimulus, makes patient be in the highly dangerous state, can cause quadriplegia, even threat to life.When having compressing, at present clinically usually adopt preceding road to loosen through oropharynx to cervical spinal is anterior, and then do from the rear between the dentata of extensive region fixing, merge.But need behind patient's anterior decompression to become the ventricumbent position from dorsal position, extensive region dentata stability extreme difference possibly cause the mortality damage of spinal cord during this period.In the while way of escape fixed form, C
1-2Wire technique, interlaminar clamp technology poor mechanical property are complete to the arch of posterior atlas requirement, fixing unreliable under the vertebral plate, and wear the possible Spinal Cord of steel wire under the arch of posterior atlas.To the congenital posterior bony property structure of part upper cervical spine disappearance, the excision of iatrogenic posterior bony property structure, bend patient such as reset when stretching after the pillow cervical region dislocation of neck position, way of escape pillow neck or extensive region dentata are fixing can't to carry out.In a single day preceding road is dentata steel plate screw internal fixation through the oropharynx extensive region, and this technology is under situation about polluting, to perform the operation, and infects easily, and damages dura mater in the art, cerebrospinal leak causes the otch deep layer to communicate with the oral environment of pollution, and infection will be difficult to control.
Summary of the invention
The purpose of this utility model is to improve the deficiency of prior art, provide a kind of throat road through approach decompression under the lower jaw, immediately reset the back directly under the past fixed preceding road, road jaw approach through the extensive region, joint the dentata fixedly titanium plate that resets.
The purpose of this utility model realizes through following technical scheme: under the jaw of preceding road approach through the extensive region, joint the dentata fixedly titanium plate that resets, its difference is: this resets fixedly that the plate body outline of titanium plate is butterfly, and its transverse section is curved; Two bights, plate body top are respectively equipped with a symmetrical fixing hole, and said fixing hole is used for twisting screw to be fixed through articulatio atlantoepistrophica entering lateral mass of atlas; The plate body below is provided with and is used for fixing two the mutual symmetric fixing holes of plate body in the dentata vertebral body; The plate body middle part has the fixing hole that resets.
By above scheme, the two bights symmetry fixing hole of said plate body top is an oval shape fixing hole.
By above scheme, said plate body below two fixing holes are circular.
By above scheme, the said fixing hole that resets is a circular port, is screwed into screw through this hole, between screw and anterior arch of atlas with the dilator extensive region dentata that resets.
By above scheme, the said screw that is installed in the fixing hole is 3.5mm diameter full thread cancellous bone screw, and screw has locking titanium plate function.
By above scheme, the said screw that is installed on two bights, plate body top respectively outwards top gets into lateral mass of atlas and fixes, and is outwards separately to fall " eight " font, and below two screws are perpendicular to the body of axis front surface, be slight in " eight " font separately.
The utlity model has following advantage:
(1), the titanium plate is fixed in the extensive region dentata, stablize the extensive region dentata at once, it is strong fixing to reach dentata the place ahead, extensive region through four pieces of screws of different directions;
(2), two bight fixing holes of plate top are oval shape, applicable to the big or small extensive region of difference dentata, are convenient to adjust entry point;
(3), the fixing hole that resets is arranged in the middle of the plate body, be screwed into screw at this fixing hole that resets temporarily, between interim screw and anterior arch of atlas, inserting reduction forceps, distraction reduction clamps feasible extensive region dentata and resets;
(4), compare, first phase fixing extensive region dentata simultaneously behind the anterior decompression has avoided standing up behind the anterior decompression way of escape fixedly the time, because of extensive region dentata shakiness causes fatal damage to spinal cord again with existing posterior approach;
(5), original preceding road is to carry out under the situation about polluting through oropharynx extensive region dentata fixing operation, infect easily, and in the art in case damage dura mater, cerebrospinal leak causes the otch deep layer to communicate with the oral environment of pollution, infection will be difficult to control; And approach is that approach carries out under the lower jaw in cleaning fully through the reset fixing surgical application of titanium plate of extensive region, joint dentata under the jaw of the preceding road of this utility model, and it infects probability and obviously descends.
This utility model is used for approach treatment extensive region dentata fracture dislocation under the lower jaw of throat road, has to reset immediately and lock function.
Description of drawings
Fig. 1 for approach under the jaw of the preceding road of this utility model embodiment through the extensive region, joint the dentata fixedly front view of titanium plate that resets;
Fig. 2 for approach under the jaw of preceding road embodiment illustrated in fig. 1 through the extensive region, joint the dentata fixedly horizontal section sketch map of titanium plate that resets;
Fig. 3 for approach under the jaw of the preceding road of this utility model embodiment through the extensive region, joint the dentata fixedly axonometric chart of titanium plate that resets;
Fig. 4 is titanium plate bolt internal fixation locking sketch map in the dentata of extensive region.
The specific embodiment
Like Fig. 1-shown in Figure 3, dentata resets fixedly that the plate body profile of titanium plate is butterfly to approach through the extensive region, joint under the jaw of the preceding road of this utility model embodiment, and the transverse section is curved, matches with the anatomic form in dentata the place ahead.Steel plate thickness is 2mm, adopts medical titanium alloy material (for example Ti6Al4V) to process.Two bights, plate body top have a pair of mutual symmetric oval shape fixing hole 1, and through this oval shape fixing hole 1, stubborn screw is crossed dentata and outside articulatio atlantoepistrophica gets into lateral mass of atlas, fixed at the rear.Oval shape fixing hole 1 is convenient to adjust entry point applicable to the big or small extensive region of difference dentata.The plate body below is two circular fixing holes 2, with screw steel plate is fixed in the dentata vertebral body.The plate body middle part has the fixing hole 3 that resets, and the said fixing hole 3 that resets is circular port, is screwed into screw through this hole, between screw and anterior arch of atlas with the dilator extensive region dentata that resets.
In said fixing, top two screws outwards top entering lateral mass of atlas are fixed, and are and outwards separate to fall " eight " font, and below two screws are slight interior separately " eight " font perpendicular to the body of axis front surface.Therefore four pieces of screws of different directions are locked in the titanium plate, and strong fixedly extensive region dentata has been preserved atlantooccipital joint simultaneously from the place ahead, have reduced losing of pillow neck function.
Show that like Fig. 4 the top screw is crossed body of axis and entered the outside rear of articulatio atlantoepistrophica and get into lateral mass of atlas and fix through the oval hole, the below screw is fixed in dentata the place ahead perpendicular to the body of axis front surface with plate body, the strong fixedly extensive region dentata from the place ahead.The external diameter of screw thread is greater than the internal diameter in titanium plate bolt hole, and the internal diameter of screw thread is less than the internal diameter in titanium plate bolt hole, and the root 1mm of screw does not have screw thread simultaneously.Therefore screw is screwed into after titanium plate bolt hole tightens, screw thread can stop that screw withdraws from, thereby accomplishes the locking of screw and titanium plate.
Above content is the further explain that combines concrete embodiment that this utility model is done, and can not assert that the practical implementation of this utility model is confined to these explanations.For the those of ordinary skill of technical field under this utility model, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of this utility model.
Claims (6)
1. under the jaw of preceding road approach through the extensive region, joint the dentata fixedly titanium plate that resets, it is characterized in that: this resets fixedly that the plate body outline of titanium plate is butterfly, and its transverse section is curved; Two bights, plate body top are respectively equipped with a symmetrical fixing hole, and said fixing hole is used for twisting screw to be fixed through articulatio atlantoepistrophica entering lateral mass of atlas; The plate body below is provided with and is used for fixing two the mutual symmetric fixing holes of plate body in the dentata vertebral body; The plate body middle part has the fixing hole that resets.
2. under the jaw of preceding road according to claim 1 approach through the extensive region, joint the dentata fixedly titanium plate that resets, it is characterized in that: the two bights symmetry fixing hole of said plate body top is an oval shape fixing hole.
3. under the jaw of preceding road according to claim 1 approach through the extensive region, joint the dentata fixedly titanium plate that resets, it is characterized in that: said plate body below two fixing holes are for circular.
4. under the jaw of preceding road according to claim 1 approach through the extensive region, joint the dentata fixedly titanium plate that resets, it is characterized in that: the said fixing hole that resets is a circular port, is screwed into screw through this hole, between screw and anterior arch of atlas with the dilator extensive region dentata that resets.
5. under the jaw of preceding road according to claim 1 approach through the extensive region, joint the dentata fixedly titanium plate that resets, it is characterized in that: the said screw that is installed in the fixing hole is 3.5mm diameter full thread cancellous bone screw, screw has locking titanium plate function.
According to approach under claim 1 or 2 or 3 or the 4 or 5 described preceding road jaws through the extensive region, joint the dentata fixedly titanium plate that resets; It is characterized in that: the said outside top of screw that is installed on two bights, plate body top respectively gets into lateral mass of atlas and fixes; Be and outwards separate to fall " eight " font; Below two screws are slight interior separately " eight " font perpendicular to the body of axis front surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120134687XU CN202184787U (en) | 2011-04-29 | 2011-04-29 | Anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120134687XU CN202184787U (en) | 2011-04-29 | 2011-04-29 | Anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202184787U true CN202184787U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120134687XU Expired - Fee Related CN202184787U (en) | 2011-04-29 | 2011-04-29 | Anterior submandibular approach resetting and fixing titanium-plate through joint atlas and dentata |
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| CN (1) | CN202184787U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908185A (en) * | 2012-11-13 | 2013-02-06 | 牛国旗 | Anatomical type locking plate of oropharynx atlantoaxial anterior path |
| CN104127229A (en) * | 2014-08-06 | 2014-11-05 | 南方医科大学南方医院 | Anterior cervical approach slope fixing device |
| CN104434287A (en) * | 2014-12-25 | 2015-03-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN104619279A (en) * | 2012-09-12 | 2015-05-13 | 新特斯有限责任公司 | Method for producing patient-specific plate |
| CN105213007A (en) * | 2015-10-23 | 2016-01-06 | 西安交通大学第二附属医院 | Template is dissected on a kind of front road of self-resetting atlantoaxial dislocation |
| US9707044B2 (en) | 2012-05-03 | 2017-07-18 | DePuy Synthes Products, Inc. | Surgical guides from scanned implant data |
| CN108378915A (en) * | 2018-02-09 | 2018-08-10 | 北京奥精医药科技有限公司 | A kind of preceding road fixed plate of atlas and axis and preparation method |
| CN111938882A (en) * | 2020-08-24 | 2020-11-17 | 四川大学华西医院 | Posterior atlantoaxial lateral mass joint fusion fixator component |
-
2011
- 2011-04-29 CN CN201120134687XU patent/CN202184787U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10467356B2 (en) | 2012-05-03 | 2019-11-05 | DePuy Synthes Products, Inc. | Surgical guide with cut resistant insert |
| US9707044B2 (en) | 2012-05-03 | 2017-07-18 | DePuy Synthes Products, Inc. | Surgical guides from scanned implant data |
| CN104619279B (en) * | 2012-09-12 | 2018-06-01 | 新特斯有限责任公司 | For manufacturing the method for patient's personality board |
| US10548668B2 (en) | 2012-09-12 | 2020-02-04 | DePuy Synthes Products, Inc. | Method for producing patient-specific plate |
| CN104619279A (en) * | 2012-09-12 | 2015-05-13 | 新特斯有限责任公司 | Method for producing patient-specific plate |
| CN102908185B (en) * | 2012-11-13 | 2015-10-14 | 牛国旗 | Through oropharynx atlas and axis front road anatomical form lockplate |
| CN102908185A (en) * | 2012-11-13 | 2013-02-06 | 牛国旗 | Anatomical type locking plate of oropharynx atlantoaxial anterior path |
| CN104127229A (en) * | 2014-08-06 | 2014-11-05 | 南方医科大学南方医院 | Anterior cervical approach slope fixing device |
| CN104434287B (en) * | 2014-12-25 | 2017-01-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN104434287A (en) * | 2014-12-25 | 2015-03-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN105213007A (en) * | 2015-10-23 | 2016-01-06 | 西安交通大学第二附属医院 | Template is dissected on a kind of front road of self-resetting atlantoaxial dislocation |
| CN108378915A (en) * | 2018-02-09 | 2018-08-10 | 北京奥精医药科技有限公司 | A kind of preceding road fixed plate of atlas and axis and preparation method |
| CN108378915B (en) * | 2018-02-09 | 2020-09-01 | 奥精医疗科技股份有限公司 | Atlantoaxial anterior fixing plate and preparation method thereof |
| CN111938882A (en) * | 2020-08-24 | 2020-11-17 | 四川大学华西医院 | Posterior atlantoaxial lateral mass joint fusion fixator component |
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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: 20120411 Termination date: 20130429 |