CN103845107A - Supporting fixing plate for posterior door-opening of cervical vertebra - Google Patents
Supporting fixing plate for posterior door-opening of cervical vertebra Download PDFInfo
- Publication number
- CN103845107A CN103845107A CN201410013741.3A CN201410013741A CN103845107A CN 103845107 A CN103845107 A CN 103845107A CN 201410013741 A CN201410013741 A CN 201410013741A CN 103845107 A CN103845107 A CN 103845107A
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- CN
- China
- Prior art keywords
- door
- fixing head
- opens
- sides
- brace table
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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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
-
- 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
Abstract
The invention relates to a supporting fixing plate for posterior door-opening of the cervical vertebra. The supporting fixing plate is characterized by comprising a shapeable bent bar-shaped titanium plate which comprises fixing plates on left and right sides and a supporting platform connected between the two fixing plates, wherein the supporting platform is provided with left and right side walls and a top surface connected between the left and right side walls; the left and right side walls are used for supporting the cervical vertebra and keeping the door-opening state; the top surface of the supporting platform is arranged as a downward sunken arc-shaped surface; included angles between the two side walls and the top surface are acute angles; nail holes are formed in fixing sections on two sides; bolts are mounted in the nail holes and are used for fixing a door-opening position on the cervical vertebra. The supporting fixing plate provided by the invention has the beneficial effects of simple structure, convenience and reliability in fixing and good supporting effect; a vertebral plate after the door-opening is effectively prevented from rebounding and closing the door; the vertebral plate is not inserted into neural canal; the arrangement is convenient and simple; the titanium alloy plate is convenient to shape according to the requirements.
Description
Technical field
The invention belongs to operational tool, relate to a kind of posterior cervical support fixing head that opens the door.
Background technology
Along with aged tendency of population, the sickness rate of stenosis increases gradually, and has a strong impact on people's quality of life and life-span.The modus operandi of spinal canal stenosis comprises the road combined spinal canal decompression art in anterior approach, the way of escape and front and back.For long segment spinal canal stenosis, neck posterior approach has obvious advantage.Cervical vertebra open-door laminoplasty expands plasty becomes the effective ways for the treatment of Multilevel cervical spondylotic myelopathy, long segment cervical ossified posterior longitudinal ligament and developmental character spinal canal stenosis.Tradition single open-door vertebral plate fixed form is suture suspension method, but cutting out, rupture or extending of silk thread can cause vertebral plate resilience, easily occurs the phenomenon of closing the door, causing open the door inefficacy and canalis spinalis again narrow.Way of escape titanium plate relies on the supporting role of titanium plate self design, and attachment screw is fixed, and reaches early stage support and the object of the vertebral plate fixedly raised, prevents the vertebral plate over-activity after opening the door, and is conducive to axle side seam matter immediate union; Support force in conjunction with titanium plate after axle side sclerotin healing can provide stable support for the canalis spinalis expanding, and prevents from closing the door.
Clinical gripper shoe used has following shortcoming at present: 1. opening part can be charged into canalis spinalis, causes compression of spinal cord; 2. lay difficulty; 3. screw is tiny, fixing not firm; 4. moulding difficulty.
Summary of the invention
The present invention is in order to make up the deficiencies in the prior art, and a kind of posterior cervical simple in structure, that convenient fixing is firm, support effect is good support fixing head that opens the door is provided.
The present invention is achieved through the following technical solutions:
The posterior cervical of the present invention support fixing head that opens the door, it is characterized in that: the tortuous bar shaped titanium plate that comprises a shaping, bar shaped titanium plate comprises the fixing head of the left and right sides and is connected to middle brace table, brace table is useful on and supports the side, two of left and right of cervical vertebra maintenance door opening state and be connected to middle end face, brace table end face is the arc surface to lower recess, angle between two sides and end face is acute angle, the canned paragraph of both sides is provided with nail hole, and in nail hole, mounting screw is to be fixed on cervical vertebra upward-acting door place.
Preferred version is, every side has one or two nail hole, and the nail hole number of both sides is identical or different.
During for single open-door operation, the fixing head that is fixed on vertebral plate side has two nail holes, and the fixing head that is fixed on lateral mass side has a nail hole.
During for double door operation, the fixing head of both sides is all to have two nail holes.
The side, two of left and right of brace table is outward-dipping, forms the structure that top width is greater than root width.
Bar shaped titanium plate thickness 1mm, width 6mm, brace table end face recess length 12mm-14mm, brace table side length 3mm, screw diameter 3.5mm, length 4mm, 6mm or 8mm, be self tapping cancellous bone screw.
The invention has the beneficial effects as follows, simple in structure, convenient fixing is firm, support effect good, can effectively prevent the vertebral plate resilience after opening the door and close the door, and can not charge into canalis spinalis, to lay easyly, titanium alloy sheet is convenient to moulding as required.
Accompanying drawing explanation
Fig. 1,2 is followed successively by single open-door posterior cervical and opens the door and support front view and the top view of fixing head.Fig. 3,4 is followed successively by double door posterior cervical and opens the door and support front view and the top view of fixing head.Fig. 5 is single open-door using state schematic diagram, and Fig. 6 is double door using state schematic diagram.
In figure, 1 fixing head, 2 sides, 3 end faces, 4 nail holes, 5 vertebral plate sides, 6 lateral mass sides, 7 screws, the 8 posterior cervicals support fixing head that opens the door.
The specific embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
Posterior cervical of the present invention opens the door and supports fixing head 8, comprise the tortuous bar shaped titanium plate of a shaping, bar shaped titanium plate comprises the fixing head 1 of the left and right sides and is connected to middle brace table, brace table is useful on and supports the side, two of left and right 2 of cervical vertebra maintenance door opening state and be connected to middle end face 3, brace table end face is the arc surface to lower recess, angle between two sides and end face is acute angle, and the canned paragraph of both sides is provided with nail hole 4, and in nail hole, mounting screw 7 is to be fixed on cervical vertebra upward-acting door place.
Preferred version is, every side has one or two nail hole, and the nail hole number of both sides is identical or different.
During for single open-door operation, the fixing head that is fixed on vertebral plate side 5 has two nail holes, and the fixing head that is fixed on lateral mass side 6 has a nail hole.
During for double door operation, the fixing head of both sides is all to have two nail holes.
The side, two of left and right of brace table is outward-dipping, forms the structure that top width is greater than root width.
The invention belongs to the support fixing head that orthopaedics posterior cervical opens the door postoperative.Formed by tortuous bar shaped titanium plate and screw, be divided into two kinds: single open-door (I type) and double door (II type).
Supporting plate material is titanium alloy, is the bar shaped of complications, thickness 1mm, width 6mm.Tortuous recess is curved, long 12mm, 14mm.Turnover director 3mm, is acute angle.Two, I template vertebral plate side nail hole, 1, lateral mass side nail hole, respectively there are two nail holes, diameter 3.5mm in II template both sides.Screw diameter 3.5mm, length 4mm, 6mm, 8mm, is self tapping cancellous bone screw.
Single open-door operation method: ventricumbent position after patient's general anesthesia; get standard neck way of escape otch; appear C3-C7 vertebral plate, spinous process, lateral mass; according to narrow sections, C3-C7(or C6) as decompression sections, at lateral mass and vertebral plate intersection; pot mill is drilled in axle side and thoroughly removes dorsal part cortex wear down veutro cortex but keep it continuous; form " U " shape groove, the side of opening the door is slotted and is ground holostrome vertebral plate, to complete C3-C7(or the C6 of slowly starting of door-hinge side) vertebral plate to be to expand narrow canalis spinalis.The adhesion of careful separation spinal dura mater and ligamenta flava or vertebral plate, carefully hemostasis.Lay appropriate length titanium plate (I type) in the place of opening the door, titanium plate can carry out according to vertebral plate form moulding, after preliminarily stabilised, uses diameter 2.5mm abrasive drilling in lateral mass and vertebral plate sidetracking hole, 1 piece, length 8mm screw for lateral mass side, vertebral plate side is fixed with 1-2 piece of row titanium plate of length 6mm screw.
Double door operation method: ventricumbent position after patient's general anesthesia; get standard neck way of escape otch; appear C3-C7 vertebral plate, spinous process, lateral mass; according to narrow sections; C3-C7(or C6) as decompression sections; at lateral mass and the vertebral plate intersection of the left and right sides; spherical abrasive drilling is thoroughly removed dorsal part cortex wear down veutro cortex but kept it continuous; form " U " shape groove, sting except spinous process, in vertebral plate central slot and grind holostrome vertebral plate, both sides slowly strut C3-C7(or C6 to the left and right) vertebral plate to be to expand narrow canalis spinalis.The adhesion of careful separation spinal dura mater and ligamenta flava or vertebral plate, carefully hemostasis.Lay appropriate length titanium plate (II type) in the place of opening the door, titanium plate can carry out according to vertebral plate form moulding, after preliminarily stabilised, holes with diameter 2.5mm abrasive drilling in two vertebral plates, fixes with length 4mm or 1-2 piece of row titanium plate of 6mm screw.
Advantage of the present invention: simplicity of design, easy to use, fixed.
1. gripper shoe is titanium alloy, has good biocompatibility, is convenient to moulding as required.Be shaped as indentation, can guarantee that titanium plate can not be absorbed in canalis spinalis.
2. tortuous depression director 12mm, 14mm, can determine the width that opens the door, makes it can be not too small, also can be not excessive.Curved, can expand to greatest extent canalis spinalis, can not oppress spinal cord.
3. turnover director 3mm, can guarantee that titanium plate can not charge into canalis spinalis, compressing spinal cord.Because lamina of cervical vertebra (except C1) C4, C5 are the thinnest, be 3.0mm.
4. turning point is acute angle, and wedge angle can insert the spongy bone at vertebral plate and lateral mass place, reaches at once stable.And it is very easy to be firm to lay titanium plate, can not charge into canalis spinalis,
5. screw diameter 3.5mm, for self tapping cancellous bone screw, fixed.
Claims (6)
1. the posterior cervical support fixing head that opens the door, it is characterized in that: the tortuous bar shaped titanium plate that comprises a shaping, bar shaped titanium plate comprises the fixing head of the left and right sides and is connected to middle brace table, brace table is useful on and supports the side, two of left and right of cervical vertebra maintenance door opening state and be connected to middle end face, brace table end face is the arc surface to lower recess, angle between two sides and end face is acute angle, the canned paragraph of both sides is provided with nail hole, and in nail hole, mounting screw is to be fixed on cervical vertebra upward-acting door place.
2. the posterior cervical according to claim 1 support fixing head that opens the door, is characterized in that: every side has one or two nail hole, and the nail hole number of both sides is identical or different.
3. the posterior cervical according to claim 2 support fixing head that opens the door, is characterized in that: while operation for single open-door, the fixing head that is fixed on vertebral plate side has two nail holes, and the fixing head that is fixed on lateral mass side has a nail hole.
4. the posterior cervical according to claim 2 support fixing head that opens the door, is characterized in that: while operation for double door, the fixing head of both sides is all to have two nail holes.
5. according to the support fixing head that opens the door of the posterior cervical described in any one in claim 1-4, it is characterized in that: the side, two of left and right of brace table is outward-dipping, form the structure that top width is greater than root width.
6. according to the support fixing head that opens the door of the posterior cervical described in any one in claim 1-4, it is characterized in that: bar shaped titanium plate thickness 1mm, width 6mm, brace table end face recess length 12mm-14mm, brace table side length 3mm, screw diameter 3.5mm, length 4mm, 6mm or 8mm are self tapping cancellous bone screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013741.3A CN103845107B (en) | 2014-01-13 | 2014-01-13 | Posterior cervical opens the door and supports fixing head |
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|---|---|---|---|
| CN201410013741.3A CN103845107B (en) | 2014-01-13 | 2014-01-13 | Posterior cervical opens the door and supports fixing head |
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| CN103845107A true CN103845107A (en) | 2014-06-11 |
| CN103845107B CN103845107B (en) | 2015-10-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769310A (en) * | 2016-03-30 | 2016-07-20 | 山东省立医院 | Vertebral plate fixing clamp for posterior bilateral expansive laminoplasty of cervical vertebra |
| CN106963467A (en) * | 2017-03-27 | 2017-07-21 | 遵义医学院附属医院 | It is a kind of partly to be opened the door adjustable titanium plate inner fixing device for cervical vertebra |
| CN107550555A (en) * | 2017-09-29 | 2018-01-09 | 赵斌 | A kind of minimally invasive Laminoplasty fixing device of double door |
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
| CN112545822A (en) * | 2019-06-25 | 2021-03-26 | 河南省洛阳正骨医院（河南省骨科医院） | Auxiliary instrument for stretching shoulders to expand operation visual field |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107280753B (en) * | 2017-07-28 | 2020-12-08 | 兰州西脉记忆合金股份有限公司 | Calcaneus ladder steel plate |
Citations (5)
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| US20050228326A1 (en) * | 2004-03-31 | 2005-10-13 | Depuy Spine, Inc. | Head-to-head connector spinal fixation system |
| CN101584601A (en) * | 2009-06-11 | 2009-11-25 | 陈哲 | Bone fracture plate formed by a vertebral plate |
| CN102247207A (en) * | 2011-04-07 | 2011-11-23 | 雷伟 | Universal omni-posterior-double lateral mass bridging board for cervical vertebra |
| CN202313687U (en) * | 2011-11-21 | 2012-07-11 | 王欢 | Support body for posterior spinal open door laminoplasty |
| CN203169287U (en) * | 2013-04-08 | 2013-09-04 | 戴维享 | Cervical spinal canal forming support steel plate |
-
2014
- 2014-01-13 CN CN201410013741.3A patent/CN103845107B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050228326A1 (en) * | 2004-03-31 | 2005-10-13 | Depuy Spine, Inc. | Head-to-head connector spinal fixation system |
| CN101584601A (en) * | 2009-06-11 | 2009-11-25 | 陈哲 | Bone fracture plate formed by a vertebral plate |
| CN102247207A (en) * | 2011-04-07 | 2011-11-23 | 雷伟 | Universal omni-posterior-double lateral mass bridging board for cervical vertebra |
| CN202313687U (en) * | 2011-11-21 | 2012-07-11 | 王欢 | Support body for posterior spinal open door laminoplasty |
| CN203169287U (en) * | 2013-04-08 | 2013-09-04 | 戴维享 | Cervical spinal canal forming support steel plate |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769310A (en) * | 2016-03-30 | 2016-07-20 | 山东省立医院 | Vertebral plate fixing clamp for posterior bilateral expansive laminoplasty of cervical vertebra |
| CN106963467A (en) * | 2017-03-27 | 2017-07-21 | 遵义医学院附属医院 | It is a kind of partly to be opened the door adjustable titanium plate inner fixing device for cervical vertebra |
| CN107550555A (en) * | 2017-09-29 | 2018-01-09 | 赵斌 | A kind of minimally invasive Laminoplasty fixing device of double door |
| CN112545822A (en) * | 2019-06-25 | 2021-03-26 | 河南省洛阳正骨医院（河南省骨科医院） | Auxiliary instrument for stretching shoulders to expand operation visual field |
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
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|---|---|
| CN103845107B (en) | 2015-10-28 |
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Effective date of registration: 20170109 Address after: 250000 Shandong, Lixia District, Ji''nan Province Cultural Road West, No. 107 Patentee after: Qilu Hospital, Shandong Univ. Address before: Lixia District, Shandong city of Ji''nan Province Cultural Road 250014 No. 44 Building No. 11 West Village Patentee before: Hou Yong |