CN208447755U - Ligamentaum cruciatum depends on bone fracture fixation plate - Google Patents
Ligamentaum cruciatum depends on bone fracture fixation plate Download PDFInfo
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- CN208447755U CN208447755U CN201720850092.1U CN201720850092U CN208447755U CN 208447755 U CN208447755 U CN 208447755U CN 201720850092 U CN201720850092 U CN 201720850092U CN 208447755 U CN208447755 U CN 208447755U
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Abstract
The utility model provides a kind of ligamentaum cruciatum and depends on bone fracture fixation plate, includes plate body, is provided with aperture on plate body；The aperture forms traction string holes and fixed string holes；Draught line pore size distribution is in plate body along the two sides of length extending direction；Plate body forms binding face in two end faces of thickness extending direction and deviates from face；Plate body is along length extending direction linear extension or bends.The utility model plate body for fixing exists along length extending direction to be bent, and is conducive to adapt to tibial plateau rear unevenness, the uncertain use environment of the size of sclerite.
Description
Technical field
The utility model relates to medical instruments, and in particular, to a kind of ligamentaum cruciatum depends on bone fracture fixation plate.
Background technique
The forward and backward ligamentaum cruciatum of knee joint (ACL, PCL) shin bone stop avulsion fracture position is special, be intra-articular, it is preceding
Ligamentaum cruciatum loses attachment point, therefore the phenomenon that joint instability occurs, and patient's subjective expression is pain and limitation of activity, if too late
When treat, it is also possible to influence function of joint.The classification of fracture is more common in Children and teenager, and the incidence of traffic accident in recent years is year by year
Soaring, adult prevalence rate is also in the trend of rising.
ACL, PCL shin bone stop avulsion fracture are intra-articular fracture, right without directly carrying out the measure of manipulative reduction operation
In acute fracture, the complete intercondylar recessed top of knee-expanding position facilitates bone block to the compressing of the bone block of tilting and resets.But acute fracture
Patient has articular cavity hematocele, and stretching knee completely when hematocele amount is big can aggravate the pain that (30 ° of articular cavity capacity of bending knee are maximum, pain
It is most light).So needing first puncture suction hemarthrosis, then does and stretch movement for several times, be finally fixed on knee joint mistake with gypsum
Stretch position.Piece inspection is then taken the photograph, reduction of the fracture situation is understood.If displacement fracture, within 5mm, after continuing, complete knee-expanding position is fixed
?；If displacement fracture is more than 5mm, need under arthroscope, reduction fixation of performing a surgical operation.
There are many ACL shin bone stop avulsion fracture internal fixation methods, such as steel wire, absorbable or nonabsorable screw, hollow
Nail, bifilar No. 5 orthopaedics sutures, holdfasts etc..Suture is logical although suture is avoided that second operation as inside-fixture
It crosses osseous tunnel and occurs the disadvantage of fracture or the relaxation that knots during knotting, and simple suture flexible fastening is not hard enough
By force, it may occur in which that avulsion bone block is tilted in knee sprung；Head of screw can occur after surgery and fracture as foreign matter for bioabsorbable interference screw
Episome, it has to which second operation takes out.Metallic screw fixation can reach strong interior fixation but to be only applicable in sclerite larger
Fracture be not suitable for that sclerite is smaller or comminuted fracture, and second operation is needed to take out.Clinic uses fixation with steel wire ACL shin
Bone stop avulsion fracture, intensity of steel wire is able to satisfy fracture fixation requirement, but operates more difficult in art, if misoperation, steel wire can
It can be broken, to extend operating time and influence surgical effect.Also have and add Interal fixation in conjunction with suture, but is presently used
Steel plate is not special designing, does not meet dissection mechanics, has larger cutting to suture.Metallic screw and steel wire may cut damage
Hurt ACL, causes chronic iatrogenic injury.If ACL shin bone stop avulsion bone block is undesirable up to anatomical reduction, there can be postoperative knee
The complication such as afunction are stretched to shakiness, arthralgia, anchylosis, especially knee joint before joint, PCL depends on avulsion bone
Folding is also such.
In the prior art, use Endobutton button steel plate as fracture fixed steel plate, but Endobutton button steel
Plate is straight, and tibial plateau rear is not flat, and the size of sclerite can also change, therefore fixes sclerite here
Necessarily leading to not apply causes sclerite to be not fixed firmly.
Utility model content
For the defects in the prior art, the purpose of the utility model is to provide a kind of ligamentaum cruciatums to depend on fracture fixation
Plate.
Bone fracture fixation plate is depended on according to ligamentaum cruciatum provided by the utility model, includes plate body, is provided with aperture on plate body；
The aperture forms traction string holes and fixed string holes；
Draught line pore size distribution is in plate body along the two sides of length extending direction；
Plate body forms binding face in two end faces of thickness extending direction and deviates from face；
Plate body is along length extending direction linear extension or bends.
Preferably, also comprising traction sutures and fixed suture；
There are multiple traction string holes, and along plate body length extending direction, fixing line hole is between multiple traction string holes；
Traction sutures, fixed suture are threaded through traction string holes respectively, fix in string holes.
Preferably, the plate body is made of memorial alloy；
Plate body can be converted between both states of conjunction state in extended position and grabbing；
Under the extended position, plate body is along length extending direction linear extension；
Described to grab under conjunction state, plate body is mutually drawn close along the both ends of length extending direction in plate body binding face side.
Preferably, plate body, which extend along the one or both sides of width extending direction, obtains auxiliary fixed part；
It is seamlessly transitted between auxiliary fixed part and plate body other parts.
Preferably, under the extended position, auxiliary fixed part linear extension on plate body width extending direction, or be provided at
Plate body deviates from face side；
Described to grab under conjunction state, auxiliary fixed part is in the both ends on plate body width extending direction, one where plate body binding face
Side is mutually drawn close.
Preferably, the first slot and/or the second slot are provided on plate body；
First slot is through-hole, while through binding face and deviating from face；
Second slot is blind hole, only through binding face or only through away from face；
The wall surface of first slot and/or the second slot and binding face rounding off.
It preferably, also include titanium net；
The titanium net is laid on binding face.
Preferably, plate body is provided with injection orifice；
The injection orifice runs through plate body along plate body thickness extending direction；
The hole wall of injection orifice with deviate from face rounding off.
Preferably, positioning convex platform is provided on the binding face of plate body.
Preferably, the edge-smoothing transition of plate body.
Compared with prior art, the utility model have it is following the utility model has the advantages that
1, the utility model plate body for fixing exists along length extending direction and is bent, and is conducive to after adapting to tibial plateau
Edge is uneven, the uncertain use environment of the size of sclerite；
2, fixed string holes is provided in the utility model on plate body, fixed suture is able to use and the sclerite of avulsion is carried out
It is fixed；
3, the utility model is by positioning convex platform, titanium net, the isostructural design of auxiliary fixed part, increase plate body and bone it
Between laminating degree, improve fixing intensity, prevent from causing the broken of bone and perienchyma with respect to sliding between plate body and bone
It is bad.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is plate body bottom view when being straight panel；
Elevational cross-sectional view when being straight panel that Fig. 2 is plate body；
Fig. 3 is bottom view when plate body bends along length extending direction；
Fig. 4 is elevational cross-sectional view when plate body bends along length extending direction；
Fig. 5 is first change case bottom view；
Fig. 6 is first change case elevational cross-sectional view；
Fig. 7 is second change case bottom view；
Fig. 8 is second change case elevational cross-sectional view；
Fig. 9 is third change case bottom view；
Figure 10 is left view under a kind of state of third change case；
Figure 11 is left view under third change case another kind state；
Figure 12 is structural schematic diagram in the utility model distraction procedure；
Figure 13 is that the utility model is installed rear structural schematic diagram.
It is shown in figure
1 positioning convex platform 3 of plate body
101 first slot 41 of binding face
Away from 102 second slot 42 of face
Draw 21 injection orifice 5 of string holes
210 titanium net 6 of traction sutures
The fixed auxiliary fixed part 7 of string holes 22
Fixed suture 220
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
As shown in Figures 1 to 4, in embodiment, it includes plate that ligamentaum cruciatum provided by the utility model, which depends on bone fracture fixation plate,
Body 1, the edge-smoothing transition of plate body 1, prevents Ge Huai perienchyma.Aperture is provided on plate body 1, the aperture forms draught line
Hole 21 and fixed string holes 22, two traction string holes 21 are located at plate body 1 along the two sides of length extending direction, two fixed string holes
22 are located between two traction string holes 21.Such as Figure 12, shown in Figure 13, the utility model is also equipped with traction sutures 210 and fixed seam
Line 220, traction sutures 210, fixed suture 220 are threaded through traction string holes 21 respectively, fix in string holes 22.It draws string holes 21 and consolidates
The wall surface and 1 surface rounding off of plate body in alignment hole 22 prevent partition traction sutures 210 and fixed suture 220.Using this reality
During novel, traction sutures 210 can be divided into pull line and tipping line again, and as shown in figure 12, pull line is used to incite somebody to action this
Utility model is pulled out from the osseous tunnel that surgery location is arranged, and tipping line is then used to overturn plate body 1, so that this reality
With novel structural form as shown in fig. 13 that can be formed across on osseous tunnel mouth after pulling out osseous tunnel.Fixed suture 220
Then for connecting the medical equipments such as artificial ligament.In preference, the traction string holes 21 on plate body 1 can also be three, four or
Along the both ends of length extending direction, one end is equipped with a traction string holes 21, for wearing above-mentioned drawing
Lead, the other end is then along the setting of 1 width extending direction of plate body there are two string holes 21 is drawn, for wearing above-mentioned tipping line, this
Spline structure makes have better guiding performance during overturning plate body 1, prevents plate body 1 from sending out by center axis of length extension line
Raw rotation, but can be relative complex in structure.Additionally preferably, fixed string holes 22 be also possible to one, three or more, wear
Line mode can be that the fixed suture 220 of sub-thread is worn or the fixed suture 220 of multiply is worn, to adapt to different use bearing requirements rings
The demand in border.
In embodiment, plate body 1 is made of the memorial alloy of such as titanium alloy, and plate body 1 is at two ends of thickness extending direction
Face forms binding face 101 and deviates from face 102, and wherein binding face 101 in use, and needs fixed sclerite, or
The bone structures such as tibial plateau rear fit.Plate body 1 can be converted between both states of conjunction state in extended position and grabbing: such as
Shown in Fig. 1, Fig. 2, under the extended position, plate body 1 is along length extending direction linear extension；It is described as shown in Figure 3, Figure 4 to grab conjunction
Under state, plate body 1 is mutually drawn close along the both ends of length extending direction in 1 binding face of plate body, 101 side.Use memorial alloy
Advantage be, on the one hand, the fixed position of the needs that the utility model is used for, such as tibial plateau rear are not flat,
The size of sclerite can also change, therefore the plate body 1 of required fixed sclerite can also have bending angle variation,
Memorial alloy is from extended position to bending during grabbing conjunction state conversion, it is easier to be bonded simultaneously with fixed position is needed
Resultant force is grabbed in generation；On the other hand, the utility model is in extended position during passing through osseous tunnel, it is easier to pass through traction sutures
210 pull out.In preference, plate body 1 is also possible to be made of rigid material, and plate body 1 is along length extending direction linear extension or hair
Raw bending.
Embodiment one: plate body 1 is made of titanium alloy memorial alloy, and under extended position, plate body 1 is straight along length extending direction
Line extends；It grabs under conjunction state, plate body 1 bends along length extending direction, and bending angle range is not 0 ° (including 0 °) to 30 °
Middle selection, such as 5 °, 10 °, 15 °, 20 °, 25 °, 30 °；The length of plate body 1 is 6cm, 8cm, 10cm, 12cm or 14cm；Plate body 1 is wide
Degree is 4cm or so；Plate body 1 is with a thickness of 1mm or so；There are two traction string holes 21 and two fixed string holes 22 for setting on plate body 1.
Embodiment two: plate body 1 is made of rigid materials such as titanium alloy or titaniums, bending angle within the scope of 0 ° to 30 ° with
5 ° are incremented by for gradient: 0 °, 5 °, 10 °, 15 °, 20 °, 25 °, 30 °；1 length of plate body, aperture are identical as embodiment one.
As shown in Figure 5, Figure 6, in change case one, two positioning convex platforms 3, positioning convex platform are provided on the binding face 101 of plate body 1
3 be arc, and circumferentially central symmetry is distributed.The effect of positioning convex platform 3 is, reaches installation site when plate body 1 is overturn through pot
When, positioning convex platform 3 is placed exactly in the osseous tunnel of operative site, effectively prevent plate body 1 to rub back and forth in osseous tunnel mouth, to bone
Or perienchyma causes wear damage.Preferably, positioning convex platform 3 can also be one, three or more composition, but if
Positioning convex platform 3 is a complete circumference, it will increases 3 bending resistant section coefficient of positioning convex platform, is unfavorable for plate body 1 and bends,
But if positioning convex platform 3 is excessive, then it will increase difficulty of processing.
As shown in Figure 7, Figure 8, the first slot 41 and the second slot 42 are provided in change case two, on plate body 1, described first
Slot 41 is through-hole, while through binding face 101 and deviating from face 102；Second slot 42 is blind hole, only runs through binding face
101, the wall surface and 101 rounding off of binding face of the first slot 41 and the second slot 42 prevent from causing to wear to bone surface.Patch
It there also is provided titanium net 6 on conjunction face 101, the network of titanium net 6 is fine and closely woven, after the extruding by plate body 1 and bone, can generate
It deforms to adapt to the surface shape of sclerite or tibial plateau rear.Titanium net 6 is fixed in the second slot 42, the setting of titanium net 6,
The tightness that is bonded between plate body 1 and bone is helped to improve, and then improves fixed effect.Plate body 1 is additionally provided with injection orifice 5,
The injection orifice 5 runs through plate body 1 along 1 thickness extending direction of plate body, and the hole wall of injection orifice 5 is injected with away from 102 rounding off of face
Hole 5 is communicated with the second slot 42, along injection orifice 5 can the injection binding agent into titanium net 6, prevent titanium net 6 and bone from generating sliding
It causes to scrub abrasion.In this change case, the effect for all having decompression of the first slot 41 and the second slot 42 increases plate body 1
Deformability, be conducive to plate body 1 and be preferably bonded with bone surface；In addition titanium net 6 is fixed in the second slot 42,
Titanium net 6 can be effectively prevent to fall off from 101 surface of binding face, cause trouble to the taking-up of the utility model.In preference, may be used also
To be not provided with injection orifice 5, the operation difficulty of operation is reduced.Preferably, the first slot 41 can also be only set, but directly by titanium
Net 6 is bonded on binding face 101, is easy to happen and is fallen off；Or the second slot 42 is only set, but the entirety of plate body 1 is depressured
Effect is limited, is unfavorable for the deformation of plate body 1；Or second slot 42 be through away from face 102, decompression together can be played
Effect, but lose the function of fixed titanium net 6.Preferably, titanium net 6 can also be net made of such as titanium alloy etc materials
Body.It is further preferred that titanium net 6 can also be not provided with, limitation plate body 1 and bone are played using the position of opening of the second slot 42
Displacement between bone, but the laminating degree being reduction of between plate body 1 and bone.
As shown in Figures 9 to 11, plate body 1 carries out extending the auxiliary fixation of acquisition along the two sides of width extending direction in change case three
Portion 7 seamlessly transits between 1 other parts of auxiliary fixed part 7 and plate body.Auxiliary fixed part 7 is also to be made of memory alloy material, is such as schemed
Shown in 10, for plate body 1 under extended position, auxiliary fixed part 7 is provided at plate body 1 away from 102 side of face, and it is practical new to be conducive to this
Type is entirely through osseous tunnel；As shown in figure 11, plate body 1 is in the case where grabbing conjunction state, and auxiliary fixed part 7 is on 1 width extending direction of plate body
Both ends, mutually drawn close in 1 binding face of plate body, 101 side.In preference, plate body 1 is under extended position, auxiliary fixed part 7
The linear extension on 1 width extending direction of plate body, but it is that considerably increasing the utility model is passing through bone the shortcomings that structure
Difficulty when tunnel；Or the auxiliary fixed part 7 under extended position of plate body 1 is provided at 1 binding face of plate body, 101 side, still
Structure is unfavorable for being bonded between bone after auxiliary fixed part 7 is unfolded.Preferably, auxiliary fixed part 7 can also exist only in plate body 1
Along the side of width extending direction, reduce manufacture difficulty, while more convenient the utility model passes through from osseous tunnel, but the knot
Structure, which exists, is not fixed firmly the determination leaned on along 1 width direction of plate body, and auxiliary fixed part 7 is easy to snap onto osseous tunnel, loses and grab conjunction bone
The effect of bone.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (10)
1. a kind of ligamentaum cruciatum depends on bone fracture fixation plate, which is characterized in that include plate body, be provided with aperture on plate body；
The aperture forms traction string holes and fixed string holes；
Draught line pore size distribution is in plate body along the two sides of length extending direction；
Plate body forms binding face in two end faces of thickness extending direction and deviates from face；
Plate body is along length extending direction linear extension or bends.
2. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that also comprising traction sutures and admittedly
Determine suture；
There are multiple traction string holes, and along plate body length extending direction, fixing line hole is between multiple traction string holes；
Traction sutures, fixed suture are threaded through traction string holes respectively, fix in string holes.
3. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that the plate body is by memorial alloy
It is made；
Plate body can be converted between both states of conjunction state in extended position and grabbing；
Under the extended position, plate body is along length extending direction linear extension；
Described to grab under conjunction state, plate body is mutually drawn close along the both ends of length extending direction in plate body binding face side.
4. ligamentaum cruciatum according to claim 3 depends on bone fracture fixation plate, which is characterized in that plate body is along width extending direction
One or both sides extend and obtain auxiliary fixed part；
It is seamlessly transitted between auxiliary fixed part and plate body other parts.
5. ligamentaum cruciatum according to claim 4 depends on bone fracture fixation plate, which is characterized in that auxiliary under the extended position
Fixed part linear extension on plate body width extending direction, or plate body is provided at away from face side；
Described to grab under conjunction state, auxiliary fixed part is in the both ends on plate body width extending direction, in plate body binding face side phase
Mutually draw close.
6. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that be provided with the first slot on plate body
Hole and/or the second slot；
First slot is through-hole, while through binding face and deviating from face；
Second slot is blind hole, only through binding face or only through away from face；
The wall surface of first slot and/or the second slot and binding face rounding off.
7. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that also include titanium net；
The titanium net is laid on binding face.
8. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that plate body is provided with injection orifice；
The injection orifice runs through plate body along plate body thickness extending direction；
The hole wall of injection orifice with deviate from face rounding off.
9. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that be arranged on the binding face of plate body
There is positioning convex platform.
10. ligamentaum cruciatum according to claim 1 depends on bone fracture fixation plate, which is characterized in that the edge-smoothing mistake of plate body
It crosses.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850092.1U CN208447755U (en) | 2017-07-13 | 2017-07-13 | Ligamentaum cruciatum depends on bone fracture fixation plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720850092.1U CN208447755U (en) | 2017-07-13 | 2017-07-13 | Ligamentaum cruciatum depends on bone fracture fixation plate |
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| CN208447755U true CN208447755U (en) | 2019-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349005A (en) * | 2017-07-13 | 2017-11-17 | 上海市同济医院 | Ligamentaum cruciatum depends on bone fracture fixation plate |
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- 2017-07-13 CN CN201720850092.1U patent/CN208447755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349005A (en) * | 2017-07-13 | 2017-11-17 | 上海市同济医院 | Ligamentaum cruciatum depends on bone fracture fixation plate |
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