CN104027164A - Anterior cervical intervertebral distraction repositor - Google Patents
Anterior cervical intervertebral distraction repositor Download PDFInfo
- Publication number
- CN104027164A CN104027164A CN201410264450.1A CN201410264450A CN104027164A CN 104027164 A CN104027164 A CN 104027164A CN 201410264450 A CN201410264450 A CN 201410264450A CN 104027164 A CN104027164 A CN 104027164A
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- Prior art keywords
- vertebral body
- positor
- anterior cervical
- intervertebral
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
Disclosed is an anterior cervical intervertebral distraction repositor which is used for cervical distraction reposition in anterior cervical surgery. The repositor comprises a repositor body and a distractor, the repositor body is connected to a cervical vertebral body to be reposited and drives the vertebral body to be reposited through vertical continuous movement so as to correct a vertebral body sequence, the distractor is connected with the repositor body, and the position of the distractor in the horizontal direction is adjusted to enable an interbody of the vertebral body to be longitudinally distracted until facet joints are unlocked so as to perform interbody surgery, or after the vertebral body is adjusted and reposited, the position of the repositor body is kept so as to complete interbody fusion or fixation surgery. The dislocated vertebral body can be reposited step by step, and the reposition process is smooth, accurate and controllable; the repositor needs not to be inserted into intervertebral space for operation, and is convenient and safe to use; after vertebral body reposition, the intervertebral reposition relation can be kept till reliable interbody fixation operation is completed, reposition of the dislocated vertebral body can be completed in the anterior cervical surgery, and pain brought by additional surgeries is avoided.
Description
Technical field
The present invention relates to a kind of medical surgical instrument, particularly a kind of research of anterior cervical intervertebral distracting positor that is applicable to anterior cervical operation.
Background technology
Anterior cervical operation is extensive in clinical practice, and intervertebral opening device is the indispensable instrument of anterior cervical operation, narrow intervertebral space can be strutted, and is convenient to excision and charges into intraspinal intervertebral disc and hyperosteogeny.But the intervertebral opening device of current clinical use only has the effect that longitudinally struts intervertebral space, do not possess the function of front and back dislocation between correcting vertebral.In fact, the articuli intervertebrales dislocation due to the reasons such as cervical spinal injury is much, and the difficulty that resets in operation, sometimes have to be blended in deformity position, or row neck way of escape otch excises little joint to complete reset again; In addition, after reset, there is again the trend of dislocation, be often difficult to keep normal para-position, lose carrying out often causing to reset in interior fixing process.These problems all do not possess and reset and to maintain the function of reset relevant with current used instrument.
The patent No. is " ZL201020291578 ", name is called the disclosed intervertebral opening device of Chinese utility model patent of " a kind of intervertebral opening device ", and the patent No. is " ZL200910144311 ", name is called the disclosed distraction reduction device of Chinese invention patent of " lower cervical anterior distraction reduction device ", all longitudinally to strut after apparatus front end is inserted to intervertebral space, the effect of dislocation before and after not possessing between correcting vertebral, to correct cervical vertebra along the bad object of row in order reaching, also to need to impose the external force on fore-and-aft direction.But this is difficult to realize in operation, and the dilator of insertion intervertebral space has limited interpyramidal seesawing.If removal dilator, due to the disappearance of intervertebral pulling strength, the little joint at rear easily returns back to interlocking deformity position, causes resetting unsuccessfully.In addition, insert that the dilator of intervertebral space is wrong slips into intraspinal risk, may cause serious spinal cord injury.
The patent No. is " ZL201320117736 ", name is called the disclosed cervical intervertebral dilator of Chinese utility model patent of " a kind of not damaged cervical intervertebral dilator ", comprises that the first distraction plate, first struts portion, the second distraction plate, second struts portion, track, kayser; The first distraction plate and the second distraction plate strut portion and second and strut that portion is stepped to be connected with first respectively, and first portion of strutting is fixed on one end of track, and second portion of strutting is socketed on track, and the arranged outside of track has kayser; On the lateral wall of the first distraction plate and the second distraction plate, be evenly provided with sawtooth; Track is band sawtooth and scale track; Kayser can finely block and be socketed on second on track and strut portion, facilitates the better measuring distance of medical personnel.But this intervertebral opening device only has the effect that longitudinally struts intervertebral space, do not possess the function of front and back dislocation between correcting vertebral.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of research of anterior cervical intervertebral distracting positor safe and convenient to use, the problems referred to above that exist to overcome prior art.
To achieve these goals, the invention provides a kind of research of anterior cervical intervertebral distracting positor, for the cervical vertebra distraction reduction of anterior cervical operation, wherein, comprising:
Positor, for being connected with cervical vertebral body to be resetted, and drives described vertebral body to adjust reset to realize the correction along row to described vertebral body by the continuous moving of vertical direction;
Dilator, be connected with described positor, make the intervertebral of described vertebral body longitudinally strut to articular process release to carry out intervertebral operation by adjusting the horizontal direction position of described positor, or described vertebral body is adjusted after resetting and keeps the position of described positor to complete intervertebral fusion or fixing operation.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described positor comprises:
At least two release links, described release link comprises controls end and mobile control end, the described end of controlling is for being connected with described vertebral body and firmly controlling described vertebral body to complete the reset of described vertebral body, and described mobile control end is controlled end movement vertically to drive described vertebral body to adjust reset described in controlling;
Moving control mechanism, is connected with described mobile control end, by the reset of vertebral body described in described mobile control end regulating and controlling.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described in control end for the sharp-pointed spongy bone bolt structure of front end, for being screwed into described vertebral body and described vertebral body firmly being controlled.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described mobile control end is screw thread control structure, described mobile control structure is controlled nut for resetting, described reset control nut and described screw thread control structure adaptation, screw the movement vertically of the described release link of control by the screw thread of described reset control nut and described screw thread control structure and control end movement vertically described in adjusting.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described release link also comprises depth stop structure, enters the degree of depth of described vertebral body, to avoid iatrogenic spinal cord injury for controlling end described in controlling.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described depth stop structure is a positive stop lug boss, described positive stop lug boss be arranged near described in control the position of end.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described positive stop lug boss is the described release link of the ring round ring boss of a week.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described release link also comprises depth stop structure, described in being used for controlling, controlling and hold the degree of depth that enters described vertebral body, to avoid iatrogenic spinal cord injury, described depth stop structure is arranged on the below of described screw thread control structure, and described depth stop structure is a depth stop boss, a depth stop groove or a smooth pole face.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described dilator comprises:
Sleeve, correspondingly with described release link arranges and is sleeved in described release link;
Lock device, comprise support, latch and slide rail, be provided with the track passing through for described slide rail on described support, one end of described slide rail is connected with a described sleeve, described in another, sleeve is fixed on described support, and described latch is fixed on described support corresponding to described track.
Above-mentioned research of anterior cervical intervertebral distracting positor, wherein, described latch comprises fixed block, locking reed and swing handle, described fixed block is fixed on described support corresponding to described track, described swing handle is arranged on described fixed block, one end of described locking reed and described slide rail butt, the other end of described locking reed is connected with described swing handle.
Beneficial functional of the present invention is:
The present invention has the anterior approach intervertebral opening device of reset response, not only possesses the basic function that struts, and can also utilize the effect that lifts of positor that the vertebral body of dislocation is progressively resetted, and reseting procedure is steady, accurate, controlled; Do not need to insert intervertebral space and operate, use safety, convenient; After corpus vertebrae replacement, this dilator and positor combined effect can keep interpyramidal reset relation until complete reliable intervertebral fixing operation.Under of the present invention assisting, can in simple anterior cervical operation, complete the reset of dislocation vertebral body, the misery of having exempted complementary procedure and having brought.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the release link structural representation of one embodiment of the invention;
Fig. 3 is the reset control nut structure schematic diagram of one embodiment of the invention;
Fig. 4 is the dilator structural representation of one embodiment of the invention;
Fig. 5 A-Fig. 5 C is using state schematic diagram of the present invention.
Wherein, Reference numeral
1 positor
11 release links
111 control end
112 move control end
113 depth stop structures
12 moving control mechanisms
2 dilators
21 sleeves
22 lock devices
221 supports
222 latch
2221 fixed blocks
2222 locking reeds
2223 swing handles
223 slide rails
224 tracks
3 vertebral bodys
4 articular processes
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Referring to Fig. 1, the structural representation that Fig. 1 is one embodiment of the invention.Research of anterior cervical intervertebral distracting positor 1 of the present invention, for the cervical vertebra distraction reduction of anterior cervical operation, comprise: positor 1, for being connected with cervical vertebral body 3 to be resetted, and drive described vertebral body 3 to adjust the correction to described vertebral body 3 suitable row with realization that resets by the continuous moving of vertical direction; Dilator 2, be connected with described positor 1, make the intervertebral of described vertebral body 3 longitudinally strut to articular process 4 releases to carry out intervertebral operation by adjusting the horizontal direction position of described positor 1, or described vertebral body 3 is adjusted after resetting and keeps the positions of described positor 1 to complete intervertebral fusion or fixing operation.
Referring to Fig. 2, release link 11 structural representations that Fig. 2 is one embodiment of the invention.In the present embodiment, described positor 1 comprises: at least two release links 11, also can be set to as required 4, described release link 11 comprises controls end 111 and mobile control end 112, the described end 111 of controlling is for being connected with described vertebral body 3 and firmly controlling described vertebral body 3 to complete the reset of described vertebral body 3, be used for being screwed into described vertebral body 3 and described vertebral body 3 is firmly controlled, the operation such as strutting, lift to complete.Described mobile control end 112 is controlled end 111 movement vertically to drive described vertebral body 3 to adjust reset described in controlling; Moving control mechanism 12, is connected with described mobile control end 112, by the reset of vertebral body 3 described in described mobile control end 112 regulating and controlling.
Described release link 11 also can comprise depth stop structure 113, enters the degree of depth of described vertebral body 3 for controlling end 111 described in controlling, and prevents that the front end of release link 11 is screwed into vertebral body 3, to avoid iatrogenic spinal cord injury.Wherein, described depth stop structure 113 can be a positive stop lug boss, described positive stop lug boss be arranged near described in control end 111 position, the screw-in depth of controlling end 111 by direct restriction prevents that the front end of release link 11 is screwed into vertebral body 3.Preferred described positive stop lug boss is the described release link of the ring round ring boss of 11 1 weeks.Or, described depth stop structure 113 is arranged on the below of described screw thread control structure, screw thread travel by restriction screw thread control structure is screwed into vertebral body 3 to prevent the front end of release link 11, and described depth stop structure 113 can be a depth stop boss, a depth stop groove or a smooth pole face etc., and this is not limited.
Referring to Fig. 3, the reset control nut structure schematic diagram that Fig. 3 is one embodiment of the invention.In the present embodiment, described in control end and 111 be preferably the spongy bone bolt structure that front end is sharp-pointed, front end is sharply convenient to be screwed into vertebral body 3, cancellous bone screw type screw thread is dark and sharp keen, can increase hold.Control end 111 length and be preferably 10-20mm, can select different size according to vertebral body 3 anteroposterior diameter sizes, be applicable to operation, to the not more restrictions of its size.Described mobile control end 112 can be screw thread control structure, preferably os integumentale screw type, this screw thread control structure can only be positioned at this and move control end 112, and reach need to be set to one section according to the vertical dimension of reset movement, this release link 11 also can be Full threaded rod, and this is not restricted.Described mobile control structure is preferably corresponding reset control nut, and outline is preferably hexagon or multi-edge column-shaped, and instrument easy to use is screwed in.Also can select other suitable screw thread screw closure structures, the screw thread that for example carries handle screws cover, and can be directly complete and control screwing in by operating grip, and without in addition by instrument.Described reset control nut and described screw thread control structure adaptation, this reset control nut can screw in completely and screw out in the screw thread control structure of mobile control end 112.Screw the movement vertically of the described release link 11 of control by the screw thread of described reset control nut and described screw thread control structure and control end 111 movement vertically described in adjusting.
Referring to Fig. 4, dilator 2 structural representations that Fig. 4 is one embodiment of the invention.Described dilator 2 comprises: sleeve 21, correspondingly with described release link 11 arrange and be sleeved in described release link 11, be that each release link 11 correspondences arrange a sleeve 21, the mobile control end 112 of this release link 11 passes these sleeve 21 tops and is positioned at completely outside this sleeve 21; Lock device 22, comprise support 221, latch 222 and slide rail 223, on described support 221, be provided with the track 224 passing through for described slide rail 223, one end of described slide rail 223 is connected with a described sleeve 21, described in another, sleeve 21 is fixed on described support 221, and described latch 222 is fixed on described support 221 corresponding to described track 224.In the present embodiment, described latch 222 comprises fixed block 2221, locking reed 2222 and swing handle 2223, described fixed block 2221 is fixed on described support 221 corresponding to described track 224, described swing handle 2223 is arranged on described fixed block 2221, one end of described locking reed 2222 and described slide rail 223 butts, the other end of described locking reed 2222 is connected with described swing handle 2223.In addition, the lock device 22 of this dilator also can adopt screw thread locking structure, for example, adopt swivel nut replaceable holder 221 and latch 222, adopts screw rod to replace slide rail 223, is screwed and can be realized equally the horizontal level of adjusting between two sleeves 21 by screw thread.As long as therefore can realize the adjustment function of this horizontal level, concrete structure can do multiple conversion, and this is not limited.
Referring to Fig. 5 A-5C, Fig. 5 A-Fig. 5 C is using state schematic diagram of the present invention.When operation, with reference to image datas such as X-rays, select the release link 11 of appropriate length to be vertically screwed into vertebral body 3 to be resetted, the sleeve of dilator 2 21 is inserted in respectively to two release links 11, now sleeve 21 lower ends can contact with the depth stop structure 113 of release link 11, the depth stop structure 113 of another sleeve 21 lower ends and release link 11 has spacing L, the distance of i.e. 3 the front and back dislocations of this vertebral body to be resetted of this spacing L.Reset is controlled to nut to be screwed in to contacting with sleeve 21 upper ends.The swing handle 2223 of rotary opening device 2, longitudinally struts to articular process 4 releases the intervertebral of vertebral body 3 to be resetted.Now can carry out the operation techniques (referring to Fig. 5 A) such as intervertebral space decompression.When reset, the sleeve 21 contacting with depth stop structure 113 taking lower end, as fixed arm, taking slide rail 223 as arm, progressively screws in the reset control nut of another release link 11, by adjusting the height of release link 11 until spacing L is 0, realize the correction of vertebral body 3 along row.Can be with reference to x line perspective (referring to Fig. 5 B) in art in operation process.Then, unclamp lock device 22, reverse rotation swing handle 2223, reduce the distance of intervertebral pulling, reset until satisfied, utilize this positor 1 and dilator 2 keep para-position between vertebral body 3, to line relation, complete intervertebral fusion, fixing operation technique (referring to Fig. 5 C).
Tool of the present invention has the following advantages:
1, possess and between vertebral body, strut function;
2, there is the reset response of lifting, can correct intervertebral dislocation, bad along row;
3, can hold reset relation after resetting, do not affect follow-up intervertebral fusion, fixing operation, the loss problem of having avoided resetting in prior art;
4, reseting procedure is controlled, utilizes suspention between each parts to lift effect and progressively resets, accurately, safety;
5, distraction reduction apparatus errorless enter the risk of canalis spinalis, avoided iatrogenic spinal cord injury;
6, use simple, conveniently, be easy to clinically use and grasp.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a research of anterior cervical intervertebral distracting positor, for the cervical vertebra distraction reduction of anterior cervical operation, is characterized in that, comprising:
Positor, for being connected with cervical vertebral body to be resetted, and drives described vertebral body to adjust reset to realize the correction along row to described vertebral body by the continuous moving of vertical direction;
Dilator, be connected with described positor, make the intervertebral of described vertebral body longitudinally strut to articular process release to carry out intervertebral operation by adjusting the horizontal direction position of described positor, or described vertebral body is adjusted after resetting and keeps the position of described positor to complete intervertebral fusion or fixing operation.
2. research of anterior cervical intervertebral distracting positor as claimed in claim 1, is characterized in that, described positor comprises:
At least two release links, described release link comprises controls end and mobile control end, the described end of controlling is for being connected with described vertebral body and firmly controlling described vertebral body to complete the reset of described vertebral body, and described mobile control end is controlled end movement vertically to drive described vertebral body to adjust reset described in controlling;
Moving control mechanism, is connected with described mobile control end, and by the reset of vertebral body described in described mobile control end regulating and controlling.
3. research of anterior cervical intervertebral distracting positor as claimed in claim 2, is characterized in that, described in control end for the sharp-pointed spongy bone bolt structure of front end, for being screwed into described vertebral body and described vertebral body firmly being controlled.
4. research of anterior cervical intervertebral distracting positor as claimed in claim 2 or claim 3, it is characterized in that, described mobile control end is screw thread control structure, described mobile control structure is controlled nut for resetting, described reset control nut and described screw thread control structure adaptation, screw the movement vertically of the described release link of control by the screw thread of described reset control nut and described screw thread control structure and control end movement vertically described in adjusting.
5. research of anterior cervical intervertebral distracting positor as claimed in claim 2 or claim 3, is characterized in that, described release link also comprises depth stop structure, enters the degree of depth of described vertebral body, to avoid iatrogenic spinal cord injury for controlling end described in controlling.
6. research of anterior cervical intervertebral distracting positor as claimed in claim 5, is characterized in that, described depth stop structure is a positive stop lug boss, described positive stop lug boss be arranged near described in control the position of end.
7. research of anterior cervical intervertebral distracting positor as claimed in claim 6, is characterized in that, described positive stop lug boss is the described release link of the ring round ring boss of a week.
8. research of anterior cervical intervertebral distracting positor as claimed in claim 4, it is characterized in that, described release link also comprises depth stop structure, described in being used for controlling, controlling and hold the degree of depth that enters described vertebral body, to avoid iatrogenic spinal cord injury, described depth stop structure is arranged on the below of described screw thread control structure, and described depth stop structure is a depth stop boss, a depth stop groove or a smooth pole face.
9. the research of anterior cervical intervertebral distracting positor as described in claim 2,3,6,7 or 8, is characterized in that, described dilator comprises:
Sleeve, correspondingly with described release link arranges and is sleeved in described release link;
Lock device, comprise support, latch and slide rail, be provided with the track passing through for described slide rail on described support, one end of described slide rail is connected with a described sleeve, described in another, sleeve is fixed on described support, and described latch is fixed on described support corresponding to described track.
10. research of anterior cervical intervertebral distracting positor as claimed in claim 9, it is characterized in that, described latch comprises fixed block, locking reed and swing handle, described fixed block is fixed on described support corresponding to described track, described swing handle is arranged on described fixed block, one end of described locking reed and described slide rail butt, the other end of described locking reed is connected with described swing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264450.1A CN104027164A (en) | 2014-06-13 | 2014-06-13 | Anterior cervical intervertebral distraction repositor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264450.1A CN104027164A (en) | 2014-06-13 | 2014-06-13 | Anterior cervical intervertebral distraction repositor |
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| CN104027164A true CN104027164A (en) | 2014-09-10 |
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| CN201410264450.1A Pending CN104027164A (en) | 2014-06-13 | 2014-06-13 | Anterior cervical intervertebral distraction repositor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644254A (en) * | 2015-02-13 | 2015-05-27 | 四川大学华西医院 | Cervical vertebra fracture dislocation anterior approach reduction internal fixation system |
| CN105708508A (en) * | 2016-04-22 | 2016-06-29 | 李鹏 | Cervical vertebra channel expanding device |
| CN105852948A (en) * | 2016-04-22 | 2016-08-17 | 李鹏 | Novel channel expanding device used for cervical vertebrae and provided with external light sources |
| CN107432764A (en) * | 2017-08-23 | 2017-12-05 | 中国人民解放军第二军医大学第二附属医院 | The controllable reach apparatus of anterior cervical vertebrae |
| CN108904033A (en) * | 2018-09-11 | 2018-11-30 | 李国庆 | A kind of preceding road resetting apparatus of Cervical vertebra dislocation |
| CN110680490A (en) * | 2019-11-15 | 2020-01-14 | 端木秉泽 | Vertebral plate spreader |
| CN113040891A (en) * | 2021-02-05 | 2021-06-29 | 华中科技大学同济医学院附属协和医院 | Cervical vertebra anterior approach operation distraction reduction device and use method thereof |
| CN113349907A (en) * | 2021-03-04 | 2021-09-07 | 中国人民解放军总医院第四医学中心 | Osteotomy closure device |
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| WO2005099589A1 (en) * | 2004-04-19 | 2005-10-27 | Cervitech, Inc. | Bone separator |
| CN201147359Y (en) * | 2008-02-01 | 2008-11-12 | 刘兰泽 | Anterior cervical positor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644254A (en) * | 2015-02-13 | 2015-05-27 | 四川大学华西医院 | Cervical vertebra fracture dislocation anterior approach reduction internal fixation system |
| CN105708508A (en) * | 2016-04-22 | 2016-06-29 | 李鹏 | Cervical vertebra channel expanding device |
| CN105852948A (en) * | 2016-04-22 | 2016-08-17 | 李鹏 | Novel channel expanding device used for cervical vertebrae and provided with external light sources |
| CN107432764A (en) * | 2017-08-23 | 2017-12-05 | 中国人民解放军第二军医大学第二附属医院 | The controllable reach apparatus of anterior cervical vertebrae |
| CN107432764B (en) * | 2017-08-23 | 2019-07-12 | 中国人民解放军第二军医大学第二附属医院 | Anterior cervical vertebrae controllably moves forward instrument |
| CN108904033A (en) * | 2018-09-11 | 2018-11-30 | 李国庆 | A kind of preceding road resetting apparatus of Cervical vertebra dislocation |
| CN110680490A (en) * | 2019-11-15 | 2020-01-14 | 端木秉泽 | Vertebral plate spreader |
| CN113040891A (en) * | 2021-02-05 | 2021-06-29 | 华中科技大学同济医学院附属协和医院 | Cervical vertebra anterior approach operation distraction reduction device and use method thereof |
| CN113349907A (en) * | 2021-03-04 | 2021-09-07 | 中国人民解放军总医院第四医学中心 | Osteotomy closure device |
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Application publication date: 20140910 |