CN201710448U - Spine fixing steel plate system - Google Patents
Spine fixing steel plate system Download PDFInfo
- Publication number
- CN201710448U CN201710448U CN2010290680461U CN201029068046U CN201710448U CN 201710448 U CN201710448 U CN 201710448U CN 2010290680461 U CN2010290680461 U CN 2010290680461U CN 201029068046 U CN201029068046 U CN 201029068046U CN 201710448 U CN201710448 U CN 201710448U
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- mainboard
- steel plate
- plate system
- mounting hole
- door
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Abstract
The utility model discloses a spine fixing steel plate system which comprises a main plate, a bent end which is fixed on a cervical vertebra side block extends from the end part at one end of the main plate, a first mounting hole position is arranged on the bent end, and a second mounting hole position for fixing the main plate on the cervical vertebra spinous process part is arranged at the other end of the main plate; a sliding through groove is arranged along the side of the second mounting hole position on the main plate, and the spine fixing steel plate system further comprises a sliding hook which can slide on the sliding through groove and be fixed for regulating the width of propping open the door-opening side. The spine fixing steel plate system can realize the purpose of flexibly regulating the door-opening width according to individual differences in human cervical vertebra dimension and the width of propping open the door-opening side of a required single-open door operation. The spine fixing steel plate system leads a screw which is usually arranged on a lamina on the door-opening side to be arranged on the spinous process part, as the spine fixing steel plate system can be fixed by the longer screw, the fixing force of the screw is significantly enhanced.
Description
Technical field
This utility model relates to that cervical spondylosis, cervical spinal canal are narrow, the ossification of cervical posterior longitudinal ligament patient carries out the vertebral plate stationary device, especially a kind of spinal fixation steel plate system that is applicable to the cervical vertebra single open-door.
Background technology
Cervical vertebra single open-door operation be used for treating that cervical spinal canal is narrow, the traditional operation of ossification of cervical posterior longitudinal ligament and multi-segmental prolapse of cervical intervertebral disc.
The external at present cervical vertebra single open-door laminoplasty blade plate that generally uses has minitype titanium plate (adding bone-graft fusion) (to come from Shaffrey CI, Wiggins GC, Piccirilli CB, Young JN, Lovell LR:Modified open-door laminoplasty for the treatment of neurologicaldeficits in younger patients with cations through careful preoperativecongenital spinal stenosis:Analysis of clinical and radiographic data.J Neurosurg 90[Suppl 2]: 170-177,1999[81]) and single open-door rigid staybolt open form titanium plate (come from Andrew E.Park, John G.Heller:Cervical Laminoplasty Use of a NovelTitanium Plate to Maintain Canal Expansion-Surgical Technique.J SpinalDisord Tech 2004; 17:265-271) but they have its inherent shortcoming when being applied to cervical vertebra single open-door laminoplasty.
Minitype titanium plate (adding bone-graft fusion) fixed form: an end is fixed on cervical lateral mass, and the other end is fixed on the vertebral plate of single open-door side, and the side of opening the door struts with of the same race or xenogenesis bone piece bone grafting, and plant bone mass is screwed on the titanium plate.On the one hand, if fixedly the screw loosening of plant bone mass or plant bone mass can not with vertebral plate and lateral mass is ossified merge, plant bone mass has falls into the possibility that canalis spinalis causes spinal cord injury; On the other hand, because people's cervical vertebra vertebral plate is thinner, the minitype titanium plate is screwed on vertebral plate, fixedly strength is less, can not form strong internal fixation.
Single open-door rigid staybolt open form titanium plate fixed form: an end is screwed on lateral mass, and the other end struts the side vertebral plate that opens the door with fixed baffle plate hook, the titanium plate is fixed on the vertebral plate with screw at the vertebral plate dorsal part.On the one hand, because single open-door when operation, the door opening width of the side of opening the door has individual difference, so fixed baffle plate is unfavorable for satisfying this diversity, can not regulate the width that struts that struts the side of opening the door according to individual need whenever and wherever possible; On the other hand, because people's cervical vertebra vertebral plate is thinner, the minitype titanium plate is screwed on vertebral plate too, fixedly strength is less, can not form strong internal fixation.
The at present domestic steel plate that is used for the single open-door operation has only indivedual cases.The villous themeda phoenix report such as increases and begins to utilize the fixing row of minitype titanium nail-titanium plate posterior cervical single open-door operative treatment cervical spondylosis from year June in April, 2004 to 2005 (coming from the villous themeda phoenix increases, Chen Zan, Ling Feng. the fixing row of minitype titanium nail-titanium plate cervical spinal canal enlarges the Preliminary clinical report [J] of plasty. JISUI ZAZHI AUTHOR AND .2006,16 (2): 129-132).
Reports such as Hu Kong He are used the art formula of OsteoMed M3 nail-plate internal fixation in the side vertebral plate both sides of opening the door from year March in October, 2007 to 2008 and (are come from Hu Konghe, Jin Anmin, Wu Qiang, Deng. cervical vertebra single open-door OsteoMed M3 nail-plate internal fixation canalis spinalis enlarges the clinical practice [J] of plasty. Nanfang Medical Univ's journal, 2009,29 (3): 491-493).
The common ground of these two kinds of art formulas is that two kinds of minitype titanium plates all are that an end is fixed in lateral mass, the other end is fixed on the vertebral plate of the side of opening the door, it is same because people's cervical vertebra vertebral plate is thinner, the minitype titanium plate is screwed on vertebral plate, fixedly strength is less, can not form strong internal fixation, the generation phenomenon of closing the door is again arranged, cause the possibility of compression of spinal cord.
The utility model content
The purpose of this utility model is to satisfy when single open-door is performed the operation, at any time regulate the width that struts of the side of opening the door according to the individual variation needs, it is solid and reliable simultaneously to satisfy this internal fixation again, the phenomenon of avoiding taking place closing the door again causes the possibility of compression of spinal cord, the spy provides a kind of spinal fixation steel plate system, and operation technique is convenient, flexible to reach, internal fixation is installed firm purpose of safety.
For realizing above purpose, this utility model has been taked following technical scheme: the spinal fixation steel plate system, include mainboard, one end end of mainboard is extended with the bending end that is fixed on the cervical lateral mass, on this bending end, offer first mounting hole site, having second mounting hole site that mainboard is fixed on the cervical spine basilar part on the mainboard other end; Along on the described mainboard, the side of second mounting hole site is provided with the slip groove, also including can on described slip groove, slide and can fix with the open the door sliding hook that struts width of side of adjusting.
It is moulding that mainboard can carry out pre-bending according to the concrete shape needs of cervical lateral mass, vertebral plate and spinous process; First mounting hole site is fixed on the cervical lateral mass with cancellous bone screw, second mounting hole site is fixed in the cervical spine basilar part according to the length needs with one piece of cancellous bone screw, have in the middle of the mainboard and be used for being used for being screwed between mainboard and the sliding hook according to the actual slip groove that requires to adjust the sliding hook sliding position of operation.
Described sliding hook comprises clamp, screw, and nut, described clamp bag is stuck on the main board with slip groove, and the mainboard direction is connected with the baffle plate that is vertically to mainboard in described clamp upper edge; Described screw passes described clamp, slip groove successively, is provided with nut on screw.
Both sides at described clamp are provided with side wing, and this side wing clamping and bag are stuck in the both sides and the dorsal part of described mainboard, are extended with grab in the end of side wing to the dorsal surface of mainboard, and mainboard snaps between the grab of both sides.There is side wing on these sliding hook both sides, from both sides and the mainboard dorsal part mainboard bag card, in case the sliding stop hook comes off, and limit slippage hook generation circumduction, only allow sliding hook moving along mainboard direction generation certain limit.
Have wire casing in described screw head along the central point of screw transverse section.When nut tighten fixing after, squeeze into institute's groove that bursts at the seams with the wedge shape cutter, make screw head be divided into forked, and be attached to nut surface, can prevent forever that like this nut from becoming flexible.
On the contact surface of the described baffle plate and the side vertebral plate section that opens the door, be provided with at least two anti-skidding furcellas.When spinous process basilar part screw-driving mainboard, sliding hook and on anti-skidding furcella can assist spinous process basilar part screw to block open the door side vertebral plate and spinous process, prevent that it from moving, and fixedly secures with formation.
On described bending end and one side that cervical lateral mass contacts, evenly be provided with at least two anti-skidding furcellas around the side of first mounting hole site.Around the contact surface installing hole of bending end and cervical lateral mass, inlay two to eight anti-skidding furcellas of thorn-like,, can form firm fixing with after assisting cancellous bone screw to hammer into from first mounting hole site to increase the frictional force of two contact surfaces.
Described mainboard, bending end and sliding hook are by titanium alloy, pure titanium plate or stainless steel.
Described first mounting hole site is one, and described second mounting hole site is one or two.
The contact surface of described mainboard and clamp is a matsurface.Before not tightening hold-doun nut, sliding hook can move within the specific limits at the mainboard major axis ditch of slotting in the upper edge, when sliding hook move to according to the operation needs satisfied strut width after, tightening nuts, because mainboard and clamp contact surface are matsurface, by the pressure that forms after frictional force between both matsurfaces and the tightening nuts, fixedly sliding hook.
The length of described slip groove is 4～20mm.
This utility model compared with prior art has following advantage:
1, by sliding hook device movably, having realized can be according to the open the door purpose that struts width flexible door opening width of side of the individual difference of people's cervical vertebra size and the desired single open-door operation of performing the operation.
2, change dozen at the spinous process basilar part playing in the past usually screw on the side vertebral plate that opens the door, because common people's vertebral plate thickness is about 2.0～5.8mm, about 6.5～the 11.5mm of spinous process basilar part thickness, owing to can fix with longer screw, the fixed strength of screw just significantly strengthens like this.
Description of drawings
Fig. 1 is this utility model device side view;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is this utility model device perspective view ();
Fig. 5 is this utility model device perspective view (two);
Fig. 6 is this utility model device perspective view (three);
Description of reference numerals: 1-mainboard, 11-second mounting hole site, 12-slip groove, 2-bending end, 21-first mounting hole site, 3-sliding hook, 31-clamp, 311-side wing, 3111-grab, 32-baffle plate, 33-screw, 331-wire casing, 34-nut, the anti-skidding furcella of 4-.
The specific embodiment
Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.
Embodiment:
See also Fig. 1 to shown in Figure 6, the spinal fixation steel plate system that is used for the operation of cervical vertebra single open-door, include mainboard 1, one end end of mainboard 1 is extended with the bending end 2 that is fixed on the cervical lateral mass, on this bending end 2, offer first mounting hole site 21, on mainboard 1 other end, have mainboard 1 is fixed in second mounting hole site 11 on the cervical spine basilar part; Along on the mainboard 1, the side of second mounting hole site 11 is provided with slip groove 12, also including can on slip groove 12, slide and can fix with the open the door sliding hook that struts width 3 of side of adjusting.The length of above-mentioned slip groove 12 is 4～20mm.
Sliding hook 3 concrete structures of present embodiment are: it comprises clamp 31, and screw 33, nut 34, clamp 31 are arranged on mainboard 1 part with slip groove 12, is connected with the baffle plate 32 that is vertically to mainboard 1 in clamp 31 upper edge mainboards 1 direction; Screw 33 passes clamp 31 successively, slip groove 12 links together mainboard 1 and clamp 31, is provided with nut 34 on the other end of screw 33, after nut 34 screws, mainboard 1 and clamp 31 can be anchored on the screw 33.
For guaranteeing 31 motions in one direction of clamp, be provided with side wing 311 in the both sides of clamp 31, these side wing 311 clampings and bag are stuck in the both sides and the dorsal part of mainboard 1.End at side wing 311 is extended with grab 3111 to the dorsal surface of mainboard 1, and mainboard 1 snaps between the both sides grab 3111.
By the central point along screw 33 transverse section has wire casing 331 on screw 33 tops, guarantee that nut can be permanently affixed on the screw 33.
On the contact surface of the baffle plate 32 and the side vertebral plate section that opens the door, be provided with three anti-skidding furcellas 4.
On bending end 2 and one side that cervical lateral mass contacts, evenly be provided with four anti-skidding furcellas 4 around the side of first mounting hole site 21.
First mounting hole site 21 is one, and second mounting hole site 11 is one or two (specifically deciding according to the practical situation of operation).
For increasing the stressed of clamp 31 and mainboard 1, mainboard 1 is set to matsurface with the contact surface of clamp 31.
This utility model operation principle is as follows: sliding hook can move within the specific limits, can realize the purpose of flexible door opening width according to the open the door width that struts of side of the individual difference of people's cervical vertebra size and the desired single open-door operation of performing the operation.When be adjusted to satisfied strut width after, tightening nuts 34 is used wedge shape cutter drivescrew 33 vertical wire casings 331 then, makes screw 33 tops be divided into forked, and is attached to nut 34 surfaces, can prevent forever that like this nut 34 is loosening or gets loose.The flank grab that is stuck in the mainboard dorsal part with the side wing 311 and the bag on clamp chuckings sliding hook clamp 31 both sides then, from both sides and front and back mainboard bag card, in case the sliding stop hook comes off, and limit slippage hook generation circumduction; After the tightening nuts 34, the side wing 311 that frictional force, screw 33 nuts 34 that form by the exasperate between mainboard 1 and the sliding hook clamp contact surface are tightened pressure that the back forms and sliding hook clamp 31 both sides can fixedly secure sliding hook from both sides and the card pressure that forms of front and back bag card mainboard.
Offer first mounting hole site 21 (being said single nail nose end) on the bending end 2 and inlay two to eight anti-skidding furcellas of thorn-like on every side with the face nailing hole that contacts of cervical lateral mass, to increase the frictional force of steel plate and lateral mass contact surface, form firm fixing to assist lateral mass screw; Mainboard 1 is also inlayed two to eight anti-skidding furcellas with the contact surface of the side vertebral plate section that opens the door, when spinous process basilar part screw-driving mainboard 1, sliding hook baffle plate 32 and on anti-skidding furcella 4 can assist spinous process basilar part screw to block open the door side vertebral plate and spinous process, prevent that it from moving, and fixedly secures with formation.
Above-listed detailed description is at the specifying of this utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that this utility model does and implements or change, all should be contained in the claim of this case.
Claims (10)
1. spinal fixation steel plate system, it is characterized in that: include mainboard (1), one end end of mainboard (1) is extended with the bending end (2) that is fixed on the cervical lateral mass, on this bending end (2), offer first mounting hole site (21), on mainboard (1) other end, have mainboard (1) is fixed in second mounting hole site (11) on the cervical spine basilar part; Along described mainboard (1) go up, the side of second mounting hole site (11) is provided with slip groove (12), also including to go up to slide and can fix with the open the door sliding hook that struts width (3) of side of adjusting at described slip groove (12).
2. spinal fixation steel plate system as claimed in claim 1, it is characterized in that: described sliding hook (3) comprises clamp (31), screw (33), nut (34), described clamp (31) is arranged on mainboard (1) part with slip groove (12), is connected with the baffle plate (32) that is vertically to mainboard (1) in described clamp (31) upper edge mainboard (1) direction; Described screw (33) passes described clamp (31), slip groove (12) successively, is provided with nut (34) on screw (33).
3. spinal fixation steel plate system as claimed in claim 2, it is characterized in that: be provided with side wing (311) in the both sides of described clamp (31), this side wing (311) clamping and bag are stuck in the both sides and the dorsal part of described mainboard (1), end at side wing (311) is extended with grab (3111) to the dorsal surface of mainboard (1), and mainboard (1) snaps between the both sides grab (3111).
4. spinal fixation steel plate system as claimed in claim 2 is characterized in that: the central point on described screw (33) top along screw (33) transverse section has wire casing (331).
5. spinal fixation steel plate system as claimed in claim 2 is characterized in that: be provided with at least two anti-skidding furcellas (4) on the contact surface of the described baffle plate (32) and the side vertebral plate section that opens the door.
6. spinal fixation steel plate system as claimed in claim 1 is characterized in that: on described bending end (2) and one side that cervical lateral mass contacts, evenly be provided with at least two anti-skidding furcellas (4) around the side of first mounting hole site (21).
7. spinal fixation steel plate system as claimed in claim 1 is characterized in that: described mainboard (1), bending end (2) and sliding hook (3) are by titanium alloy, pure titanium plate or stainless steel.
8. spinal fixation steel plate system as claimed in claim 1 is characterized in that: described first mounting hole site (21) is one, and described second mounting hole site (11) is one or two.
9. spinal fixation steel plate system as claimed in claim 2 is characterized in that: described mainboard (1) is a matsurface with the contact surface of clamp (31).
10. spinal fixation steel plate system as claimed in claim 1 is characterized in that: the length of described slip groove (12) is 4～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680461U CN201710448U (en) | 2010-02-02 | 2010-02-02 | Spine fixing steel plate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290680461U CN201710448U (en) | 2010-02-02 | 2010-02-02 | Spine fixing steel plate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201710448U true CN201710448U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290680461U Expired - Fee Related CN201710448U (en) | 2010-02-02 | 2010-02-02 | Spine fixing steel plate system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201710448U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551868A (en) * | 2012-01-10 | 2012-07-11 | 刘观燚 | Posterior cervical spine single open door side block spinous process steel plate |
| CN104771218A (en) * | 2014-01-13 | 2015-07-15 | 四川国纳科技有限公司 | Cervical posterior approach Y-shaped plate and manufacturing method thereof |
| CN105266877A (en) * | 2015-11-26 | 2016-01-27 | 广州聚生生物科技有限公司 | Spinal column vertebral plate open-door fixing system |
| CN110338896A (en) * | 2018-04-03 | 2019-10-18 | 李益香 | A kind of scoliosis surgery adjustable bending plate and its application method |
| CN111281507A (en) * | 2018-12-07 | 2020-06-16 | 上海三友医疗器械股份有限公司 | Double-door fixing clamp for vertebral plate and inner fixing structure of double-door |
| US11389209B2 (en) | 2019-07-19 | 2022-07-19 | Medos International Sarl | Surgical plating systems, devices, and related methods |
-
2010
- 2010-02-02 CN CN2010290680461U patent/CN201710448U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551868A (en) * | 2012-01-10 | 2012-07-11 | 刘观燚 | Posterior cervical spine single open door side block spinous process steel plate |
| WO2013104093A1 (en) * | 2012-01-10 | 2013-07-18 | Liu Guanyi | Posterior cervical unilateral-open-door lateral-mass spinous process steel plate |
| CN104771218A (en) * | 2014-01-13 | 2015-07-15 | 四川国纳科技有限公司 | Cervical posterior approach Y-shaped plate and manufacturing method thereof |
| CN104771218B (en) * | 2014-01-13 | 2017-07-07 | 四川国纳科技有限公司 | Posterior cervical Y templates and preparation method thereof |
| CN105266877A (en) * | 2015-11-26 | 2016-01-27 | 广州聚生生物科技有限公司 | Spinal column vertebral plate open-door fixing system |
| CN110338896A (en) * | 2018-04-03 | 2019-10-18 | 李益香 | A kind of scoliosis surgery adjustable bending plate and its application method |
| CN110338896B (en) * | 2018-04-03 | 2022-08-02 | 李益香 | Adjustable bending plate for scoliosis operation and use method thereof |
| CN111281507A (en) * | 2018-12-07 | 2020-06-16 | 上海三友医疗器械股份有限公司 | Double-door fixing clamp for vertebral plate and inner fixing structure of double-door |
| US11389209B2 (en) | 2019-07-19 | 2022-07-19 | Medos International Sarl | Surgical plating systems, devices, and related methods |
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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: 20110119 Termination date: 20120202 |