CN204971547U - Coaptation board is dissected to three posts of tibial plateau - Google Patents
Coaptation board is dissected to three posts of tibial plateau Download PDFInfo
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- CN204971547U CN204971547U CN201520750469.7U CN201520750469U CN204971547U CN 204971547 U CN204971547 U CN 204971547U CN 201520750469 U CN201520750469 U CN 201520750469U CN 204971547 U CN204971547 U CN 204971547U
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- tibial plateau
- rear pillar
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- lateral column
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Abstract
The utility model provides a coaptation board is dissected to three posts of tibial plateau, belongs to bone surgery apparatus technical field for it fixes to dissect the fracture to three posts of tibial plateau. The utility model discloses an inside and outside side pole fixed plate of coaptation board upper end can simultaneously external side pole in and the fracture piece of side pole go on strongly fixed, simultaneously the rear pillar fixed plate can to in behind the inboard platform of shin bone behind side pole, the shin bone outside platform rear pillar fracture piece of side pole and shin bone outside platform back outer partially side pole fix, reach exclusive use coaptation board and can realize tibial plateau outside post, interior side pole and rear pillar simultaneously and fix. The utility model discloses creatively provides the fixed structure of layering, the breakthrough brand -new fixed mode that provides " many planes, three -dimensional are fixed " to ingenious solution three spinous process of the seventh cervical vertebras of tibial plateau roll over this clinical key, difficult point problem, greatly reduced in operation wound, operation time, the art and the postoperative complication incidence, be favorable to early healing of fracture and early function exercise, thereby reach better treatment.
Description
Technical field
This utility model relates to a kind of blade plate that can be fixed tibial plateau three post dissection fracture, belongs to bone surgery set technical field.
Background technology
Fracture of the tibial plateau often runs in clinical position, and the object of operative treatment is fully resetted by sclerite, recover the lower limb line of force and articular surface smooth, reconstruction of knee function.At present, conventional fracture of the tibial plateau typing has following several: AO/OTA typing, Schatzker typing and three post typings.Three post typings compensate for first two typing and do not relate to the defect of fracturing on rear side of tibial plateau.Along with " three posts are theoretical " gets the nod in international academic community, the process for tibial plateau posterior bony folded block obtains new development.In clinical position, the fracture of the tibial plateau of complexity often relates to multiple location sclerite simultaneously, as mixed lateral column companion rear pillar fracture, columnae medialis companion rear pillar fracture or inside and outside rear three spinous process of the seventh cervical vertebras foldings.For the case of fracturing with rear pillar, after sclerite has resetted, the method of fixing os metastyloideum folded block generally has following three kinds: 1. first choose outside dissection bone plate and fix mixed lateral column sclerite, re-uses lag screw or hollow nail fixes os metastyloideum folded block from front to back.But, adopt that independent screw is fixing lacks angle stability, Postoperative Bone folded block be shifted again and risk of subsiding again high, this method is only suitable for fixes less os metastyloideum folded block; 2. position, side fixed form is chosen, fixing by what be used alone that lateral tibial plateau blade plate realizes front and back spinous process of the seventh cervical vertebra folded block simultaneously, but due to the oblique not rear side in direction of screw, not good enough to posterior bony folded block fixed effect, when knee sprung, fracture redisplacement and the risk of subsiding high; 3. long otch, many Interal fixation is selected, rebuild supporting steel plate as rear outside inverted "L" shaped approach with the use of rear side to fix, although this method good fixing effect, operation wound is larger, postoperative infection risk significantly increases, and has a strong impact on postoperative knee joint function and recovers.When spinous process of the seventh cervical vertebra folded block implants rear side blade plate after exposure, due to next-door neighbour's neural blood vessel, anatomical structure is complicated, adds operating difficulty and art risk.
In sum, the method for the fixing os metastyloideum folded block used at present has certain shortcoming, can not obtain satisfied surgical effect, extremely be necessary to carry out innovative design, develop new fracture of the tibial plateau fixed apparatus.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of tibial plateau three post dissection bone plate, this blade plate can complete when adopting single outside otch simultaneously to be fixed the good of tibial plateau mixed lateral column, columnae medialis and os metastyloideum folded block, have that novel structure, operating time are short, wound is little in art, the advantages such as therapeutic effect is remarkable.
The technical scheme solved the problems of the technologies described above is:
A kind of tibial plateau three post dissection bone plate, it comprises blade plate plate body, interior mixed lateral column fixing head, rear pillar fixing head three part, blade plate plate is as the strip plate face of longitudinal direction, interior mixed lateral column fixing head and rear pillar fixing head are connected laterally at the upper end of blade plate plate body, lay respectively at the both sides of blade plate plate body, blade plate plate body, interior mixed lateral column fixing head, rear pillar fixing head composition blade plate inner surface and proximal tibia before outer surface anatomical structure match, blade plate plate body is fixed along length of outer side direction before proximal tibia by screw, the length direction of interior mixed lateral column fixing head is arranged with 3-4 locking screw, the direction of locking screw is towards medial tibial plateau, the length direction of rear pillar fixing head is arranged with 2-3 locking screw, the inner side after tibial plateau respectively, direction of locking screw, outside on rear side of tibial plateau and after tibial plateau, the locking screw of rear pillar fixing head is lower than the distance of a locking screw screw of interior mixed lateral column fixing head.
Above-mentioned tibial plateau three post dissection bone plate, the centrage of described interior mixed lateral column fixing head and the centrage of blade plate plate body have 60-90 degree angle in the vertical direction, the centrage of rear pillar fixing head and the centrage of blade plate plate body are 90 degree in the vertical direction, before having angle and proximal tibia in the horizontal direction, the radian of outer lateral ridge matches, namely with interior mixed lateral column fixing head not at same plane, in 140-160 ° of angle between interior mixed lateral column fixing head place plane and rear pillar fixing head place plane.
Above-mentioned tibial plateau three post dissection bone plate, distribute about the junction of described blade plate plate body and interior mixed lateral column fixing head 1-2 and lock screw, outside after tibial plateau, direction of locking screw, the locking screw lower horizontal of rear pillar fixing head distributes 2 common screws.
Above-mentioned tibial plateau three post dissection bone plate, described interior mixed lateral column fixing head, rear pillar fixing head have 3-4 Kirschner wire fixation hole respectively.
Above-mentioned tibial plateau three post dissection bone plate, described blade plate plate is alongst distributed with multiple fixing threaded hole with it, fixing threaded hole is diplopore syndeton, and diplopore is respectively locking screw and common screw, is rotary with lock screw and lag screw respectively in locking screw and common screw.
The beneficial effects of the utility model are:
This utility model can realize firmly " pectination " by the interior mixed lateral column fixing head of blade plate upper end towards the locking screw of medial tibial plateau and fix, and can carry out strong fixing to the sclerite of mixed lateral column and columnae medialis simultaneously; Meanwhile, on rear side of inner side, tibial plateau and the tibial plateau outside to the rear after tibial plateau respectively, lock screw direction that the pinning screw of rear pillar fixing head and the locking screw of junction are inserted, can fix the strong of os metastyloideum folded block like this.Therefore this utility model can realize tibial plateau mixed lateral column, columnae medialis and rear pillar simultaneously fix by being used alone a kind of blade plate.
This utility model for mixed lateral column companion rear pillar fracture, columnae medialis companion rear pillar fracture or inside and outside after three spinous process of the seventh cervical vertebras roll over three the spinous process of the seventh cervical vertebras folding patient, when before being used alone outside standard approach, can insert this blade plate, implantation mode is simple and easy to do.After blade plate is implanted, its structure is not disturbed or is destroyed the nerve of knee joint peripheral, blood vessel, greatly reduces the risk of intraoperative blood loss and nerve injury.
This utility model creatively proposes the fixing structure of layering, break " monoplane fixing " theory that conventional bone surgery uses, the breakthrough brand-new fixed model proposing " many planes, three-dimensional are fixed ", and solve tibial plateau three spinous process of the seventh cervical vertebra cleverly and roll over this clinical emphasis, difficulties, greatly reduce in operation wound, operating time, art and incidence of complications, be conducive to fracture heals in early days and early functional exercise, thus reach better therapeutic effect.
Fixed effect of the present utility model reaches the fixed effect that many steel plates reach jointly simultaneously, greatly reduce operation cost, for more patients alleviate treatment pressure, greatly reduce the operation burden of clinician simultaneously, achieve the situation of medical personnel and patient's doulbe-sides' victory, there is significant economic benefit and social benefit, in fracture of tibial plateau, have fabulous popularizing value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1.
In figure, labelling is as follows: blade plate plate body 1, interior mixed lateral column fixing head 2, rear pillar fixing head 3, locking screw 4, common screw 5, Kirschner wire fixation hole 6, fixing threaded hole 7, the front outside 8 of proximal tibia, medial tibial plateau 9, columnae medialis 10, rear columnae medialis 11, Lateral tibial plateau 12, mixed lateral column 13, rear mixed lateral column 14.
Detailed description of the invention
Tibial plateau three post dissection bone plate of the present utility model comprises blade plate plate body 1, interior mixed lateral column fixing head 2, rear pillar fixing head 3 three part.
Show in figure, blade plate plate body 1 is longitudinal strip plate face, and blade plate plate body 1 outside 8 length directions before proximal tibia are fixed by screw.Blade plate plate body 1 is alongst distributed with multiple fixing threaded hole 7, and fixing threaded hole 7 is diplopore syndeton, and diplopore is respectively locking screw and common screw, is rotary with lock screw and lag screw respectively in locking screw and common screw.Locking nail is screwed with locking screw, plays a supportive role, coordinates common lag screw, tapping screw to use, can be fixed better.
Show in figure, interior mixed lateral column fixing head 2 and rear pillar fixing head 3 are connected laterally at the upper end of blade plate plate body 1, lay respectively at the both sides of blade plate plate body 1, blade plate plate body 1, mixed lateral column fixing head 2, rear mixed lateral column fixing head 3 composition blade plate inner surface and proximal tibia before outer surface anatomical structure match.
Show in figure, the centrage of interior mixed lateral column fixing head 2 and the centrage of blade plate plate body 1 have 60-90 degree angle in the vertical direction, the centrage of rear pillar fixing head 3 and the centrage of blade plate plate body 1 are 90 degree in the vertical direction, before having angle and proximal tibia in the horizontal direction, the radian of outer lateral ridge matches, namely with interior mixed lateral column fixing head 2 not at same plane, in 140-160 ° of angle between interior mixed lateral column fixing head 2 place plane and rear pillar fixing head 3 place plane.
Show in figure, the length direction of interior mixed lateral column fixing head 2 is arranged with 3-4 locking screw 4, the direction in locking spiral shell 4 hole is towards medial tibial plateau 9, lock screw can realize firmly " pectination " by mixed lateral column fixing head 2 towards the locking screw of medial tibial plateau 9 and fix, and can carry out strong fixing to the sclerite of mixed lateral column 13 and columnae medialis 10 simultaneously.
Show in figure, the length direction of rear pillar fixing head 3 be arranged with 2-3 locking screw 4, the direction of locking screw 4 respectively after tibial plateau inner side 11, outside tibial plateau 13 and tibial plateau after outside 14, can realize being fixed os metastyloideum folded block.
Show in figure, the locking screw 4 of rear pillar fixing head 3 is lower than the distance of locking screw 4 one screws of interior mixed lateral column fixing head 2, achieve the structure that layering is fixing, break " monoplane fixing " that conventional bone surgery uses, achieved the brand-new fixed model of " many planes, three-dimensional are fixed ".Tibial plateau mixed lateral column, columnae medialis and rear pillar can be realized simultaneously fix by being used alone a kind of blade plate.
Show in figure, distributing 1-2 about the junction of blade plate plate body 1 and interior mixed lateral column fixing head 2 locks screw 4, and the direction of locking screw 4, on rear side of Lateral tibial plateau 12, can be assisted and be fixed os metastyloideum folded block.
Show in figure, locking screw 4 lower horizontal of rear pillar fixing head 3 distributes 2 common screws 5.Forcing screw can be inserted through it, realize that pressurization is played to os metastyloideum folded block fixing, the effect of Indirect reduction.
Show in figure, interior mixed lateral column fixing head 2, rear pillar fixing head 3 have respectively 3-4 Kirschner wire fixation hole 6.Can be fixed tibial plateau three spinous process of the seventh cervical vertebra folded block by Kirschner wire fixation hole 6 temporarily, facilitate follow-up screw to fix and wait operation.
In practical operation uses, the direction of the locking screw 4 on rear pillar fixing head 3 is determined according to rear pillar classification of fracture, and columnae medialis fracture after merging if simple, then lock the direction of screw 4 all towards rear inner side; If mixed lateral column fracture after merging simple, then lock the direction of screw 4 all towards rear outside; If merging rear pillar entirety fracture or afterwards inner side and rear mixed lateral column are fractured simultaneously, then lock the direction of screw 4 towards rear side platform, and spread out, be from inside to outside followed successively by: rear inner side, inner side, outside, rear outside.
Claims (5)
1. a tibial plateau three post dissection bone plate, it is characterized in that: it comprises blade plate plate body (1), interior mixed lateral column fixing head (2), rear pillar fixing head (3) three part, blade plate plate body (1) is longitudinal strip plate face, interior mixed lateral column fixing head (2) and rear pillar fixing head (3) are connected laterally at the upper end of blade plate plate body (1), lay respectively at the both sides of blade plate plate body (1), blade plate plate body (1), interior mixed lateral column fixing head (2), the blade plate inner surface that rear pillar fixing head (3) forms and the front outside of proximal tibia (8) surface anatomy structure match, blade plate plate body (1) outside (8) length direction before proximal tibia is fixed by screw, the length direction of interior mixed lateral column fixing head (2) is arranged with 3-4 locking screw, the direction of locking screw is towards medial tibial plateau (9), the length direction of rear pillar fixing head (3) is arranged with 2-3 locking screw, the inner side after tibial plateau respectively, direction of locking screw, on rear side of Lateral tibial plateau and outside tibial plateau, the locking screw of rear pillar fixing head (3) is lower than the distance of a locking screw screw of interior mixed lateral column fixing head (2).
2. tibial plateau three post dissection bone plate according to claim 1, it is characterized in that: the described centrage of interior mixed lateral column fixing head (2) and the centrage of blade plate plate body (1) have 60-90 degree angle in the vertical direction, the centrage of rear pillar fixing head (3) and the centrage of blade plate plate body (1) are 90 degree in the vertical direction, before having angle and proximal tibia in the horizontal direction, the radian of outer lateral ridge matches, in 140-160 ° of angle between interior mixed lateral column fixing head (2) place plane and rear pillar fixing head (3) place plane.
3. tibial plateau three post dissection bone plate according to claim 2, it is characterized in that: distributing 1-2 about the junction of described blade plate plate body (1) and interior mixed lateral column fixing head (2) locks screw, the direction of locking screw is towards Lateral tibial plateau (12) rear side, and the locking screw lower horizontal of rear pillar fixing head (3) distributes 2 common screws.
4. tibial plateau three post dissection bone plate according to claim 3, is characterized in that: described interior mixed lateral column fixing head (2), rear pillar fixing head (3) have 3-4 Kirschner wire fixation hole respectively.
5. tibial plateau three post dissection bone plate according to claim 4, it is characterized in that: described blade plate plate body (1) is alongst distributed with multiple fixing threaded hole (7), fixing threaded hole (7) is diplopore syndeton, diplopore is respectively locking screw and common screw, is rotary with lock screw and lag screw respectively in locking screw and common screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750469.7U CN204971547U (en) | 2015-09-25 | 2015-09-25 | Coaptation board is dissected to three posts of tibial plateau |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750469.7U CN204971547U (en) | 2015-09-25 | 2015-09-25 | Coaptation board is dissected to three posts of tibial plateau |
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| Publication Number | Publication Date |
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| CN204971547U true CN204971547U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750469.7U Expired - Fee Related CN204971547U (en) | 2015-09-25 | 2015-09-25 | Coaptation board is dissected to three posts of tibial plateau |
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| CN (1) | CN204971547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125273A (en) * | 2015-09-25 | 2015-12-09 | 张英泽 | Internal fixation plate for tibial plateau three-column dissection |
-
2015
- 2015-09-25 CN CN201520750469.7U patent/CN204971547U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125273A (en) * | 2015-09-25 | 2015-12-09 | 张英泽 | Internal fixation plate for tibial plateau three-column dissection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180925 |