CN205924145U - Inboard hone lamella of implanting before distal femoral - Google Patents
Inboard hone lamella of implanting before distal femoral Download PDFInfo
- Publication number
- CN205924145U CN205924145U CN201620116984.4U CN201620116984U CN205924145U CN 205924145 U CN205924145 U CN 205924145U CN 201620116984 U CN201620116984 U CN 201620116984U CN 205924145 U CN205924145 U CN 205924145U
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- hone lamella
- condyles
- cadre
- distal femur
- lamella
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- 241000446313 Lamella Species 0.000 title claims abstract description 150
- 230000007704 transition Effects 0.000 claims abstract description 29
- 210000000689 upper leg Anatomy 0.000 claims description 94
- 238000002513 implantation Methods 0.000 claims description 26
- 210000001364 upper extremity Anatomy 0.000 claims description 5
- 230000035876 healing Effects 0.000 abstract description 4
- 230000000399 orthopedic effect Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract 2
- 208000010392 Bone Fractures Diseases 0.000 description 15
- 210000000988 bone and bone Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 208000008924 Femoral Fractures Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 241000469816 Varus Species 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 210000004417 patella Anatomy 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model provides an inboard hone lamella of implanting before distal femoral, belongs to orthopedic medical equipment technical field for treatment distal femoral condyle portion fracture, key fracture. Its technical scheme is: the hone lamella is connected to form by hone lamella condyle portion, transition face and hone lamella cadre, and hone lamella condyle portion is relative with the distal femoral condyle anteromedial surface of portion, hone lamella condyle troops under one's command surface and the distal femoral condyle anteromedial surface's of portion shape looks adaptation, and the hone lamella cadre is relative with the distal femoral medial surface, and the shape looks adaptation of hone lamella cadre lower surface and distal femoral medial surface has a plurality of fixed orifices equipartitions on hone lamella condyle portion and hone lamella cadre. The utility model discloses an innovation of distal femoral hone lamella to the fixed not firm problem of some distal femoral entocondyle portions fracture when having solved present distal femoral outside hone lamella and implanting, can be carried on effective, firm fixedly to the fracture piece at distal femoral inboard position, promotes the healing of inboard fracture piece, has the fabulous value of using widely in industry.
Description
Technical field
This utility model is related in a kind of bone surgery be used for treating distal femur condyles fracture, the implantation bone of shaft fracture
Plate, belongs to orthopedic medical device technical field.
Background technology
Orthopedic Clinical treatment in, distal femur condyles fracture, shaft fracture common, predominantly traffic accident, fall, injure by a crashing object
Caused by violence is clashed into.At present the treatment of Methods for Distal Femoral Fractures is started with mostly outside distal femur and carry out, plant in lateral side of femur
Enter hone lamella to be fixed.Find through substantial amounts of clinical practice, this operation side carrying out hone lamella fixation outside distal femur
There are following some shortcomings in case：
First, because of condyle of femur morphology influence, screw distributing position limited it is impossible to sclerite to distal femur inside line
Carry out effective, firm fixation, thus affecting union of fracture or leading to operative failure；
Secondly, femur has anterior arch due to form itself in coronalplane, is affected in sagittal by the pulling force of side muscle simultaneously
There is outside tension force in face, and distal bone folded block is susceptible to reverse after the fracture, and prior art is fixed in side, resists bone
The shearing force that the power that folded block is produced by femur anterior arch form itself when reversing causes；
Further, lateral side of femur is tension side, inner side is on the pressure side, and during fracture, inner side is more pulverized compared with outside, carries out in outside
Fixing, the bone piece difficult to form pulverized for inner side is effectively fixed, even if using locking hone lamella, inside pressure side is still indirect
Fixing, easily occur Varus deformity can not be healed.
In sum, the technology that clinically hone lamella is fixed outside widely used distal femur at present has more bright
Aobvious shortcoming, directly affects the fixed effect after Methods for Distal Femoral Fractures, to fracture after healing unfavorable, or even have lead to perform the operation
The possibility of failure, it is very necessary for therefore current Methods for Distal Femoral Fractures fixed appliance and method being improved.
Utility model content
Technical problem to be solved in the utility model is to provide implantation hone lamella in inner side before a kind of distal femur, this femur
Before far-end, inner side implantation hone lamella can carry out effective, firm fixation to the sclerite of distal femur inside line, inside promotion
The healing of sclerite, makes up during hone lamella implantation outside existing distal femur to condyles fracture fixation inside part distal femur loosely
Defect.
Solve above-mentioned technical problem technical scheme be：
Implantation hone lamella in inner side before a kind of distal femur, its hone lamella is strip plate face, and the front portion of hone lamella is hone lamella condyles,
The postmedian of hone lamella is hone lamella cadre, has transition face to be connected between hone lamella condyles and hone lamella cadre, hone lamella condyles and distal femur
Relatively, hone lamella condyles lower surface is adapted condyles anteromedial surface with the shape of distal femur condyles anteromedial surface, hone lamella cadre and
Relatively, hone lamella cadre's lower surface is adapted distal femur anteromedial surface with the shape of distal femur anteromedial surface, hone lamella condyles and
Hone lamella cadre has angle on hone lamella length direction, and transition face tilts to be connected between hone lamella condyles and hone lamella cadre, in hone lamella
Multiple fixing holes are had, fixing hole is uniform along the length direction of hone lamella on condyles and hone lamella cadre.
Implantation hone lamella in inner side before above-mentioned distal femur, described hone lamella condyles lower surface is circular arc, the radian of circular arc from
R45～R90 gradual change, the lower surface of circular arc is adjacent to distal femur condyles anteromedial surface, with distal femur condyles anteromedial surface
Shape is adapted.
Implantation hone lamella in inner side before above-mentioned distal femur, described hone lamella condyles have multiple condyles fixing holes, and condyles fixing hole divides
Not towards distal femur trailing flank and distal femur lateral surface.
Implantation hone lamella in inner side before above-mentioned distal femur, the plate face plane of described hone lamella cadre is to reverse to put down from front to back
Face, from 0 °～21 ° gradual changes, twisted planar is adjacent to distal femur medial surface, with distal femur medial surface for the torsion angle of twisted planar
It is adapted.
Inner side implantation hone lamella, described hone lamella cadre and lateral ridge upper limb adductor tubercle leading edge phase in femur before above-mentioned distal femur
Right, successively arrange backwards by outside for the fixing hole of hone lamella cadre.
Before above-mentioned distal femur, hone lamella is implanted in inner side, and the angle between described hone lamella condyles plate face and transition panel is
110 ° -140 °, hone lamella condyles plate face is connected with the arc transition that the connection end of transition panel is R15.
Before above-mentioned distal femur, hone lamella is implanted in inner side, and the angle between described transition panel and hone lamella cadre's plate face is
140 ° -160 °, transition panel is connected with the arc transition that the connection end of hone lamella cadre's plate face is R30.
The beneficial effects of the utility model are：
Before distal femur of the present utility model, the front portion of inner side implantation hone lamella is hone lamella condyles, and postmedian is hone lamella cadre,
Hone lamella condyles lower surface circular arc is radian R45～R90 gradual transition design, meets human body radian demand, the plate of hone lamella cadre
Facial plane is twisted planar, and the torsion angle of twisted planar, from 0 °～21 ° gradual design, meets Human Physiology curve, hone lamella condyles
There is an intermediate incline and hone lamella cadre between, and pass through arc transition, reduce stress concentration；Hone lamella condyles have multiple condyles to fix
Hole, is respectively facing distal femur trailing flank and distal femur lateral surface, any one hole can be selected to implant spiral shell according to practical situation
Nail locking sclerite.
This utility model implantation hone lamella in inner side before distal femur, compensate for outside existing distal femur during hone lamella implantation pair
The fixing deficiency loosely of condyles sclerite inside part distal femur；
This utility model can use with hone lamella outside distal femur simultaneously, increases the range of indication；
This utility model, can stock more than medial femoral tuberosity to great adductor muscle ligament plane using unique exterior design
Bone anterior-medial approach, plane is flat, no attachment point, and hone lamella, along smooth plane implantation, avoids kneecap side para-ligament etc. in condyles soft
Tissue site, hone lamella cadre is located at interior lateral ridge upper limb, and to muscle group attachment point entirely without interference, the fixing hole of hone lamella cadre is backwards
Arrange successively in side it is ensured that screw can be imbedded in skeleton as far as possible, to ensure the hold of maximum；
This utility model is the innovation of distal femur hone lamella, solves during hone lamella implantation outside existing distal femur to part
Condyles fracture fixation problem loosely inside distal femur, can carry out effective, hard to the sclerite of distal femur inside line
Solid fixation, promote inner side sclerite healing, in industry have fabulous popularizing value.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the gradual change radian schematic diagram of hone lamella condyles；
Fig. 4 is the twisted planar schematic diagram of hone lamella cadre；
Fig. 5 is hone lamella condyles, hone lamella cadre and transition face connection diagram；
Fig. 6 is the schematic diagram that screw is fastened to hone lamella and femur in a direction；
Fig. 7 is the schematic diagram that screw is fastened to hone lamella and femur in another direction；
Fig. 8 is the schematic diagram that screw is fastened to hone lamella and femur in multiple directions.
In figure labelling is as follows：Hone lamella 1, hone lamella condyles 2, hone lamella cadre 3, transition face 4, lower surface 5, condyles fixing hole 6, dry
After portion's fixing hole 7, distal femur anteromedial surface 8, distal femur condyles anteromedial surface 9, distal femur lateral surface 10, distal femur
Side 11.
Specific embodiment
Before distal femur of the present utility model, inner side implantation hone lamella is strip plate face, and the front portion of hone lamella 1 is hone lamella condyles
2, the postmedian of hone lamella 1 is hone lamella cadre 2, has transition face 4 to be connected between hone lamella condyles 2 and hone lamella cadre 3.
Fig. 1,2,3 show, hone lamella condyles 2 are relative with distal femur condyles anteromedial surface 9, hone lamella condyles 2 lower surface and stock
The shape of bone far-end condyles anteromedial surface 9 is adapted.
Fig. 1,2,3 show, hone lamella condyles 2 lower surface 5 is circular arc, and the radian of circular arc, from R45～R90 gradual change, meets
Human body radian designs, and docile, can be right on distal femur condyles anteromedial surface 9 surface well to enable hone lamella condyles 2 lower surface 5
Distal femur condyles anteromedial surface 9 fracture has bigger coverage rate, and incisura reduces, and reduces the effect to soft tissue, with respect to existing
The screw having technology implantation can preferably hold, resected femur far-end condyles anteromedial surface 9 fracture site.
Fig. 1,2,3 show, hone lamella condyles 2 have multiple condyles fixing holes 6, after condyles fixing hole 6 is respectively facing distal femur
Side 11 and distal femur lateral surface 10.In clinic, doctor can select any one hole to be respectively facing femur according to fracture situation
Distal exterior face 10 and distal femur trailing flank 11 pedicle screw are locked, and are that doctor provides simple and multiplex selection.
Fig. 1,2,4 show, hone lamella cadre 3 is relative with distal femur medial surface 8, hone lamella cadre 3 lower surface and distal femur
The shape of medial surface 8 is adapted.The plate face plane of hone lamella cadre 3 is twisted planar from front to back, the torsion of twisted planar
Angle is adjacent to distal femur medial surface 8 from 0 °～21 ° gradual changes, twisted planar, and twisted planar can meet Human Physiology curve, with
When, because hone lamella cadre 3 reverses, its anti-bending strength can be made to strengthen.
Fig. 1,2,4 show, hone lamella cadre 3 is relative with lateral ridge upper limb adductor tubercle leading edge in femur, the cadre of hone lamella cadre 3
Successively arrange backwards by outside for fixing hole 7.
Fig. 5 shows, hone lamella condyles 2 and hone lamella cadre 3 have angle on hone lamella length direction, and transition face 4 tilts to be connected to
Between hone lamella condyles 2 and hone lamella cadre 3.
Angle between hone lamella condyles 2 plate face and transition face 4 plate face is 110 ° -140 °, preferably 138 °, hone lamella condyles 2 plate
The connection end of face and transition face 4 plate face is the arc transition of R15, it is to avoid stress concentration.
Angle between transition panel and hone lamella cadre's plate face is 140 ° -160 °, preferably 155 °, transition face 4 plate face with
The connection end of hone lamella cadre 3 plate face is that the arc transition of R30 connects.
Fig. 6,7,8 show, hone lamella 1 can be fastened from multiple directions with the screw of femur, on the one hand can make hone lamella 1
Be connected firmly with each broken segment of femur, surgical staff on the other hand can be made to have various selections, so as according to patient age,
Skeleton crush etc. multiple situations determine into nail scheme.
This utility model in Clinical practice, before the femur more than medial femoral tuberosity to great adductor muscle ligament plane inner side
Approach, plane is flat, no attachment point, and hone lamella, along smooth plane implantation, avoids the soft tissue such as kneecap side para-ligament position in condyles,
Hone lamella cadre is located at interior lateral ridge upper limb, and to muscle group attachment point entirely without interference, outside is successively backwards for the fixing hole of hone lamella cadre
Arrange it is ensured that screw can be imbedded in skeleton as far as possible, to ensure the hold of maximum；
Of the present utility model have the technical effect that：
From clinically, the outside of femur is tension side, and inner side is on the pressure side, and during fracture, generally inner side is relatively outer
The degree of grinding of side is higher.It is fixed in the outside of femur, effectively solid for the pulverizing bone piece difficult to form inside femur
Fixed, even if using locking hone lamella, inside pressure side remains as to be fixed indirectly, and Varus deformity can not be healed.This utility model
Fixed using being formed inside distal femur, disunion inside femur can be avoided, compensate for implantation outside existing distal femur
When to condyles fracture fixation deficiency loosely inside part distal femur.
Claims (7)
1. inner side implantation hone lamella, its hone lamella before a kind of distal femur（1）For strip plate face it is characterised in that：Hone lamella（1）'s
Anterior is hone lamella condyles（2）, hone lamella（1）Postmedian be hone lamella cadre（3）, hone lamella condyles（2）With hone lamella cadre（3）Between have
Transition face（4）Connect, hone lamella condyles（2）With distal femur condyles anteromedial surface（9）Relatively, hone lamella condyles（2）Lower surface（5）With
Distal femur condyles anteromedial surface（9）Shape be adapted, hone lamella cadre（3）With distal femur medial surface（8）Relatively, hone lamella is done
Portion（3）Lower surface and distal femur medial surface（8）Shape be adapted, hone lamella condyles（2）With hone lamella cadre（3）In hone lamella（1）
Angle, transition face are had on length direction（4）Tilt to be connected to hone lamella condyles（2）With hone lamella cadre（3）Between, in hone lamella condyles
（2）With hone lamella cadre（3）On have multiple fixing holes, fixing hole is along hone lamella（1）Length direction uniform.
2. before distal femur according to claim 1 inner side implantation hone lamella it is characterised in that：Described hone lamella condyles（2）Under
Surface（5）For circular arc, the radian of circular arc is from R45 millimeter～R90 millimeter gradual change, the lower surface of circular arc（5）It is adjacent to femur
Far-end condyles anteromedial surface（9）, with distal femur condyles anteromedial surface（9）Shape be adapted.
3. before distal femur according to claim 1 and 2 inner side implantation hone lamella it is characterised in that：Described hone lamella condyles（2）
There are multiple condyles fixing holes（6）, multiple condyles fixing holes（6）It is respectively facing distal femur trailing flank（11）Outside distal femur
Face（10）.
4. before distal femur according to claim 3 inner side implantation hone lamella it is characterised in that：Described hone lamella cadre（3）'s
Plate face plane is twisted planar from front to back, and from 0 °～21 ° gradual changes, twisted planar is adjacent to femur for the torsion angle of twisted planar
Distal medial face（8）, with distal femur medial surface（8）It is adapted.
5. before distal femur according to claim 4 inner side implantation hone lamella it is characterised in that：Described hone lamella cadre（3）With
In femur, lateral ridge upper limb adductor tubercle leading edge is relative, hone lamella cadre（3）Cadre's fixing hole（7）Outer lateral ridge is arranged successively backwards.
6. before distal femur according to claim 5 inner side implantation hone lamella it is characterised in that：Described hone lamella condyles（2）Plate
Face and transition face（4）Angle between plate face is 110 ° -140 °, hone lamella condyles（2）Plate face and transition face（4）The connection end of plate face
Arc transition for R15 connects.
7. before distal femur according to claim 6 inner side implantation hone lamella it is characterised in that：Described transition face（4）Plate face
With hone lamella cadre（3）Angle between plate face is 140 ° -160 °, transition face（4）Plate face and hone lamella cadre（3）The connection end of plate face
Arc transition for R30 millimeter connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116984.4U CN205924145U (en) | 2016-02-05 | 2016-02-05 | Inboard hone lamella of implanting before distal femoral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116984.4U CN205924145U (en) | 2016-02-05 | 2016-02-05 | Inboard hone lamella of implanting before distal femoral |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205924145U true CN205924145U (en) | 2017-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620116984.4U Withdrawn - After Issue CN205924145U (en) | 2016-02-05 | 2016-02-05 | Inboard hone lamella of implanting before distal femoral |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205924145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520777A (en) * | 2016-02-05 | 2016-04-27 | 侯志勇 | Bone plate implanted from front inner side of distal femur |
-
2016
- 2016-02-05 CN CN201620116984.4U patent/CN205924145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520777A (en) * | 2016-02-05 | 2016-04-27 | 侯志勇 | Bone plate implanted from front inner side of distal femur |
| CN105520777B (en) * | 2016-02-05 | 2018-03-30 | 侯志勇 | Implantation hone lamella in inner side before a kind of distal femur |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180330 |
|
| AV01 | Patent right actively abandoned |