CN106344141A - Two-way fixing steel plate and diaphysis fixing system - Google Patents
Two-way fixing steel plate and diaphysis fixing system Download PDFInfo
- Publication number
- CN106344141A CN106344141A CN201610917171.XA CN201610917171A CN106344141A CN 106344141 A CN106344141 A CN 106344141A CN 201610917171 A CN201610917171 A CN 201610917171A CN 106344141 A CN106344141 A CN 106344141A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- plate body
- lock screw
- pilot hole
- intramedullary pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 143
- 239000010959 steel Substances 0.000 title claims abstract description 143
- 210000003275 diaphysis Anatomy 0.000 title abstract 6
- 238000000034 method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 39
- 230000035876 healing Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 79
- 206010017076 Fracture Diseases 0.000 description 79
- 230000000694 effects Effects 0.000 description 12
- 206010020649 Hyperkeratosis Diseases 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 5
- 208000006735 Periostitis Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 210000003460 periosteum Anatomy 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 230000009021 linear effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000001054 cortical effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 206010017088 Fracture nonunion Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 230000001524 infective effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000003314 quadriceps muscle Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
- A61B17/8014—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones the extension or compression force being caused by interaction of the plate hole and the screws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention relates to a two-way fixing steel plate and a diaphysis fixing system. The two-way fixing steel plate comprises a steel plate body, wherein the steel plate body is used for placement from the front side of a diaphysis, and has a structure matched with the front lateral surface of the diaphysis for fixing and attachment of the fractured end of a bone; at least two pairs of guide holes for penetrating through first locking screws respectively are formed in the structure, matched with the front lateral surface of the diaphysis, of the steel plate body at angles at which an intramedullary nail is clamped by each first locking screw through which the guide holes penetrate to control rotation and axial stability of the intramedullary nail. According to the two-way fixing steel plate, the guide holes of the steel plate body are formed at specific angles, so that the guide holes can be matched with the first locking screws to implement supporting, protection, rotation prevention and axial stability of a part at the fractured end of the bone of the diaphysis to further enhance fixing reliability after reduction, and assistance in stable reduction and healing of the fractured part can be effectively ensured.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate to a kind of for the bone does not connect after shaft fracture or fracture
The twin fixed guide-vane steel plate of disunion and key fixed system.
Background technology
In prior art, after fracture occurs, the degree of stability according to fracture site can be divided into stable and unstable substantially
Fixed two big class.For stable fracture, generally pass through manual reduction, fix using Gypsum Fibrosum, clamping plate, brace, traction braking etc. are outer
Mode is to maintain stable fixation, final healing；And for unstable fixation, then need operative treatment, including internal fixation system and
External fixation system, wherein internal fixation system are divided into nail-plate fixed system and Intramedullary nailing system again.But no matter take above-mentioned
Which kind of therapeutic modality, the follow-up investigation display portion patient of large sample can occur nonunion or delayed union, and incidence rate
Reach 10%.
There is nonunion or delayed union patient for this part intramedullary nail system is fixing, in addition to infective agent, according to
Fracture site callus generate number be substantially divided into many callus or few callus two big class；Can be divided into according to fracture site degree of stability
Stable or unstable two big class.For fracture site is stable, many callus patient, observation processing mode mostly can be taken；Fracture is disconnected
End is stable, few callus patient, then can take bone grafting therapeutic modality.And for unstable fracture, either many callus or few
Callus, because fracture local instability, need to take various modes to strengthen the stable, to promote fracture gradually of fracture site
Healing.But look about the methods of internal fixation that clinically can select, still all perfect cannot solve bone after intramedullary nail system is fixed
The fracture site of folding part position has a defect or fracture is pulverized, and fracture site is unstable, nonunion or bone does not connect (such as Fig. 1
Bone does not connect 10 after a kind of key 1 fracture shown in middle dotted line round frame) interior fixing the problems such as, that is, currently without being specifically designed for bone not
The even firm medical device with nonunion design, therefore needs the inner fixer researching and developing a kind of bone does not connect and nonunion badly
Part, system or method.
Content of the invention
The present invention be directed to the fracture site occurring after shaft fracture in prior art adopts intramedullary nail system fixing unstable,
The problems such as nonunion or delayed union, a kind of twin fixed guide-vane steel plate structure of proposition, it is using having and key leading flank
The steel plate body of the structure that matches, and some pilot holes through lock screw are provided on steel plate body, and then enter one
Step can control intramedullary pin rotation and axially stable by coordinating the first lock screw, be capable of fracture site stably fixing,
Prevent fracture site position from misplacing, and ensure that aids fracture position is accurately positioned, resets and heals.The invention still further relates to a kind of bone
Dry fixed system.
Technical scheme is as follows:
It is characterised in that including steel plate body, described steel plate body is used for putting a kind of twin fixed guide-vane steel plate on front side of backbone
Enter and have the structure matching with key leading flank to fit fracture site with fixation, described steel plate body with key leading flank
In the structure matching, spread configuration at least two is to the pilot hole for being each passed through the first lock screw, the angle of described pilot hole
Degree make through each first lock screw jointly clamp intramedullary pin and realize controlling the rotation of intramedullary pin and axially stable.
Location hole through the second lock screw is provided on the far-end of described steel plate body and/or near-end, described fixed
The angle in position hole make through the second lock screw realize steel plate body and be in close contact key location positioning.
Described steel plate body is made using integral forming process.
Consistent with intramedullary pin and along steel plate body the long axis direction of described steel plate body major axis when inserting sets gradually respectively
To pilot hole, each pilot hole is in that biserial is arranged.
The pilot hole that described steel plate body is arranged in the structure being matched with key leading flank is two right, each pair pilot holes
Along the short axle setting of steel plate body, steel plate body is divided into two rows along long axis direction.
The pilot hole that described body fixed part is arranged in the structure being matched with key leading flank is four right, each pair guiding
Hole is divided into four rows along the short axle setting of steel plate body, steel plate body along long axis direction.
A kind of backbone's fixed system it is characterised in that including above-mentioned twin fixed guide-vane steel plate, if also include intramedullary pin and
Dry first lock screw, described intramedullary pin is used for fixing fracture site and having the structure matching with key intramedullary canal, respectively
Described first lock screw fit tightly after being each passed through corresponding pilot hole intramedullary pin side surface and jointly fixation clamp in marrow
Nail is realized controlling intramedullary pin to rotate and axially stable.
Described backbone's fixed system also includes the second lock screw through location hole for positioning bidirectional fixation steel plate.
The diameter range of described first lock screw and the second lock screw is 2.4-4.5mm.
Described first lock screw and/or the second lock screw are hollow lock screw or solid lock screw.
The technique effect of the present invention is as follows:
The present invention relates to a kind of twin fixed guide-vane steel plate, the steel plate body that it includes be used for inserting on front side of backbone and having with
, with fixing laminating fracture site, on steel plate body, spread configuration at least two is to for through for the structure that key leading flank matches
The pilot hole of one lock screw, and preferred steel plate body can integrally be integrally formed, each pair pilot hole respectively has respective spy
Fixed angle, to be respectively cooperating with the first lock screw in application to realize specific function.Twin fixed guide-vane steel proposed by the present invention
Plate, using have with key leading flank match structure steel plate body to insert on front side of backbone and fixed backbone fracture site
Position, and steel plate body can also support and protect shaft fracture broken ends of fractured bone position, to strengthen fracture site stability, effectively ensure auxiliary
Fracture site is helped stably to reset and heal；The steel plate body of ad hoc structure, cooperation is arranged in pairs the pilot hole of special angle, so
Can jointly clamp intramedullary pin along the direction of pilot hole after the first lock screw pierces into, realize controlling the rotation of intramedullary pin and
Axially stable, this pilot hole may also be understood to be in addition is universal lock hole, is capable of the close contact of steel plate body key (i.e. double
Fit tightly backbone to fixation steel plate) and realize supportting shield and locking steel plate body to shaft fracture broken ends of fractured bone position, therefore this
Bright unique texture is capable of the anti-rotation at shaft fracture broken ends of fractured bone position and anti-axial direction is unstable, controls intramedullary pin to rotate and add
Strong support, improves fracture site stability；And when actually used, being capable of embedded with minimal invasion and the first locking on front side of backbone
Inserting of screw can not be disturbed by original fixation, and twin fixed guide-vane steel plate structure is simple, compact, can cut on front side of backbone
Mouth is inserted, and the special angle being arranged by pilot hole makes it be capable of to shaft fracture when with the first lock screw cooperation
The support shield at broken ends of fractured bone position, anti-rotation and axial direction are stable, to further enhance fixing reliability after reset, thus being conducive to fracturing
Healing.
Twin fixed guide-vane steel plate proposed by the present invention, its steel plate body distal end and/or near-end may be provided for through
The location hole of the second lock screw, is so capable of steel plate body after the second lock screw pierces into along the direction of location hole
It is in close contact key location positioning, improve the accuracy of replacement and fixation further, enhance union of fracture effect.
Further it is proposed that the pilot hole being arranged in pairs, can according to its logarithm along steel plate body long axis direction
Set gradually, finally each pilot hole is in multiple rows of dually arrayed, and concrete arrangement architecture can be reasonable according to fracture site concrete condition
Select setting, be such as divided into two rows, four rows, six rows, eight rows etc. along the major axis of steel plate body, to realize support shield, firm fracture site
While, coordinate fracture site position, realize optimally anti-rotation and the unstable effect of anti-axial direction, to accelerate to promote union of fracture
And make union of fracture state better.
The invention still further relates to a kind of backbone's fixed system, including above-mentioned twin fixed guide-vane steel plate and the first lock screw, also
Including intramedullary pin structure, when actually used, above-mentioned part uses cooperatively, this long axis of body of steel plate of twin fixed guide-vane steel plate keep with
Intramedullary pin is consistent, and intramedullary pin is realized effective fracture site position and supported fixation, through the first locking spiral shell of twin fixed guide-vane steel plate
Clench to paste intramedullary pin and wear cortex and fix, that realizes shaft fracture position is accurately positioned fixing and anti-rotation and anti-axially shakiness
Fixed, thus steel plate body pass through to arrange special angle each pilot hole cooperation each first lock screw work accordingly realize two-way solid
Determine screw (or perhaps Bidirectional locking screw) intramedullary pin to be controlled with rotation and strengthens the effect supporting, further enhance and be directed to
The effective support of shaft fracture, stable, aids fracture position is accurately positioned fixation, after effectively having ensured that shaft fracture resets
Stability.
Brief description
Fig. 1 is the schematic diagram of bone does not connect after shaft fracture.
Fig. 2 is a kind of preferred structure front view of twin fixed guide-vane steel plate of the present invention.
Fig. 3 is the structural side view of the use state of twin fixed guide-vane steel plate of Fig. 2.
Fig. 4 is the structural perspective of the use state of twin fixed guide-vane steel plate of Fig. 2.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is another kind of preferred structure front view of twin fixed guide-vane steel plate of the present invention.
Fig. 7 is a kind of structural side view of the use state of preferred backbone's fixed system of the present invention.
Fig. 8 is the structural perspective of the use state of key fixed system of Fig. 7.
The each label of in figure lists as follows:
1- is key；10- bone does not connect；2- twin fixed guide-vane steel plate；20- steel plate body；2101- pilot hole；2102- leads
Xiang Kong；2103- pilot hole；2104- pilot hole；2105- pilot hole；2106- pilot hole；2107- pilot hole；2108-
Pilot hole；2201- first lock screw；2202- first lock screw；2203- first lock screw；2204- first locks
Determine screw；2205- first lock screw；2206- first lock screw；2207- first lock screw；2208- first locks
Determine screw；23- location hole；3- intramedullary pin.
Specific embodiment
The present invention will be described below in conjunction with the accompanying drawings.
The present invention relates to a kind of twin fixed guide-vane steel plate, including steel plate body, this steel plate body is used for inserting on front side of backbone
And being there is the structure being matched with key leading flank with fixing fracture site of fitting, steel plate body is being matched with key leading flank
Structure on spread configuration at least two to for being each passed through the pilot hole of the first lock screw, the angle of this pilot hole makes to wear
Each first lock screw crossed jointly is clamped intramedullary pin and is realized controlling the rotation of intramedullary pin and axially stablize.Above-mentioned steel plate body
Concrete structure shape, and the particular location of each pair of pilot hole and pilot hole number, rationally can set according to practical situations
Put, do not limited by the present invention and including but not limited to above range limits.For example, steel plate body can be designed as rectangle structure
And its medial surface can fit tightly key leading flank it is also possible to be designed as other Rational structure.Additionally, steel plate body is being inserted
When consistent with intramedullary pin and along steel plate body the long axis direction of major axis set gradually each pair of pilot hole, each pilot hole be in biserial arrange
Cloth, that is, finally each pilot hole can be in multiple rows of dually arrayed, and for example, steel plate body is in the structure matching with key leading flank
The pilot hole of setting is right for two, and each pair pilot hole is divided into two rows along the short axle setting of steel plate body, steel plate body along long axis direction；
Or, the pilot hole that steel plate body is arranged in the structure being matched with key leading flank is right for four, each pair pilot hole is along steel plate originally
The short axle setting of body, steel plate body is divided into four rows along long axis direction.Concrete arrangement architecture can be according to fracture site concrete condition
Reasonable selection is arranged, and is such as divided into two rows, four rows, six rows, eight rows etc. along the major axis of steel plate body, to realize support shield, firm fracture
While the broken ends of fractured bone, coordinate fracture site position, realize optimally anti-rotation and the unstable effect of anti-axial direction, to accelerate to promote fracture
Heal and make union of fracture state better.In other words, the twin fixed guide-vane steel plate of the present invention, can exist according to steel plate body
In the structure matching with key leading flank, the pilot hole number of setting determines twin fixed guide-vane steel plate length, and for example, this is two-way solid
Determining steel plate length can be two rows, four rows, six rows, eight rows or more.
Fig. 2 is a kind of preferred structure front view of twin fixed guide-vane steel plate 2 of the present invention, as shown in Fig. 2 this embodiment includes steel
Plate body 20, preferably steel plate body 20 can be made using stainless steel material integral forming process；Steel plate body 20 is used for
Insert and have the structure matching with key leading flank on front side of backbone with fixing fracture site of fitting, support shield, firm fracture
At the broken ends of fractured bone, promote union of fracture；The steel plate body 20 of this embodiment is arranged preferably in the structure being matched with key leading flank
Setting four is to for pilot hole (such as label 2101-2108, i.e. pilot hole 2101 and the pilot hole through the first lock screw
2102nd, pilot hole 2103 and pilot hole 2104, pilot hole 2105 and pilot hole 2106, pilot hole 2107 and pilot hole 2108), respectively
Pilot hole is provided with special angle, this special angle make when using each first lock screw along pilot hole angle pass through carry out
When locking is fixing, be directly capable of steel plate body 20 be in close contact backbone and make through each first lock screw common
Clamp intramedullary pin and realize controlling the rotation of intramedullary pin and axially stable, that is to say and realize the tight of steel plate body 20 and backbone's leading flank
Closely connected close and realize Intramedullary nailing and anti-rotation, and then realize that the axial direction to shaft fracture broken ends of fractured bone position is stable, rigid staybolt shield and
Anti- rotation.Additionally, as shown in Fig. 2 pilot hole 2101, pilot hole 2105, pilot hole 2107 and pilot hole 2103 are near linear row
Row, pilot hole 2102, pilot hole 2106, pilot hole 2108 and pilot hole 2104 are in that near linear arranges, and that is, each pilot hole is in four
Row's dually arrayed, its spread geometry can also adopt other arbitrarily setting only need to guarantee to play effectively fixation, anti-rotation, resist
Axial direction is unstable and as much as possible ensures less to patient's damage in actual use.Twin fixed guide-vane proposed by the present invention
Steel plate 2 adopts and includes integrally formed steel plate body 20 structure, before steel plate body 20 is inserted on front side of backbone and had and be key
The structure that side matches, is capable of good laminating, the effect of fixing fracture site, coordinates the first lock screw energy simultaneously
Enough realize long bone shaft fracture region axially position to fix, prevent fracture site from misplacing, can be to the nonunion of fracture site
Close or bone does not connect position is well consolidated, supports shield, effectively ensured the stability of union of fracture, ensure auxiliary bone further
Folding part position is accurately positioned, resets and heals, and accelerates to promote union of fracture and make union of fracture state better.
The operation principle of twin fixed guide-vane steel plate 2 proposed by the present invention and using method are described as follows:
The structural representation of the use state of preferably bidirectional fixation steel plate 2 proposed by the present invention as shown in Fig. 3 Fig. 5,
In actual use, first, in fracture site, for example key 1 leading flank is bone does not connect position dead ahead, along limbs major axis
Cut skin, subcutaneous, quadriceps femoris belly of muscle, periosteum, appear bone does not connect position, then do bone with sharp property osteotome at bone does not connect position
Cortex keratectomy, fully exposes bone does not connect position；Bored with micro-wound bone taking and do bone mud respectively, cortical bone is jumped；Bone mud is inserted bone not
Even position, Grafting Cancellous Bone Bolt bar is layered under the cortical bone of cutting；Using the ductility of skin, muscle, do subperiosteum and peel off；Then
Insert twin fixed guide-vane steel plate 2 as shown in Figure 2 in subperiosteum, steel plate body 20 is placed on front side of backbone position and simultaneously by steel plate
The medial surface of body 20 is in close contact with key leading flank and fits, and plays good support, anti-rotation fixation, ideally realizes
Effective support shield for shaft fracture and fixing, aids fracture position is accurately positioned and heals, effectively ensured diaphyseal bone
The stability of folding reset healing.As shown in Figure 3 and Figure 4 (wherein, Fig. 3 is side view, and Fig. 4 is axonometric chart), the first lock screw
2201 and first lock screw 2202 pass through on steel plate body 20 two pilot holes 2101 of setting respectively at a certain angle and lead
To hole 2102, the first lock screw 2205 and the first lock screw 2206 pass through at a certain angle respectively and arrange on steel plate body 20
Two pilot holes 2105 and pilot hole 2106, the first lock screw 2207 and the first lock screw 2208 are respectively at a certain angle
Two pilot holes 2107 of setting and pilot hole 2108 through on steel plate body 20, the first lock screw 2203 and the first locking spiral shell
Nail 2204 passes through two pilot holes 2103 of setting and pilot hole 2104 on steel plate body 20 respectively at a certain angle, to realize steel
Plate body 20 is fitted tightly with key leading flank to fix fracture site, coordinate simultaneously each pilot hole make through each first
Lock screw is jointly clamped intramedullary pin 3 and realizes controlling the rotation of intramedullary pin 3 and axial direction stable, realizes intramedullary pin 3 and axially supports, admittedly
Fixed, anti-rotation and axial direction are stable, and above-mentioned each certain angle all rationally can be arranged according to practical situation, and it is each right only need to ensure
First lock screw all can effectively clamp intramedullary pin 3, can play effectively fixation, anti-rotation, anti-axial direction is unstable and uses up
Maximum possible ensures less to patient's damage in actual use；Additionally, (Fig. 5 is the top view of Fig. 4, that is, as shown in Figure 5
Key near-end to far-end view), above-mentioned four is in the arrangement of two near linears to totally eight the first lock screw respectively, that is, be in four
Row's dually arrayed, and pass through each first lock screw of steel plate body 20 to be all close to intramedullary pin 3 and wear cortex (i.e. cortex and periosteum
Between) fixing, jointly clamp intramedullary pin 3 to realize controlling the rotation of intramedullary pin 3 and axially stable, the axial direction of strengthening intramedullary pin 3
Support, anti-rotation, stablizing effect.Supported after fixing using the twin fixed guide-vane steel plate 2 of the present invention, indwelling negative-pressure drainage tube, suture is closed
Close periosteum, muscular fasciae, deep fascia, subcutaneous and skin；Extract drainage tube within postoperative 48 hours.And then the fracture patient passive limit daily
The exercise of knee articulation degree, lower limb Isometric exeicise；(5 kilograms of toes on floor) weight-bearing activities under tolerable pain.Monthly
Check x line, determines heavy burden process according to union of fracture situation；Until patient returns to one's perfect health.
Fig. 6 is another kind of preferred structure front view of twin fixed guide-vane steel plate of the present invention.This embodiment is in steel plate body 20
Proximally and distally (in other words in upper part and the end portion of steel plate body) on be respectively provided with for through second locking
The location hole 23 of screw, the angle of location hole make through the second lock screw realize steel plate body 20 and be in close contact backbone's
Location positioning, that improves shaft fracture broken ends of fractured bone position further is accurately positioned fixation, enhances union of fracture effect.
The invention still further relates to a kind of backbone's fixed system, including twin fixed guide-vane steel plate, also include intramedullary pin and some the
One lock screw, wherein, twin fixed guide-vane steel plate can be used for using twin fixed guide-vane steel plate structure as shown in Figure 2-5, intramedullary pin
Fixing fracture site simultaneously has the structure matching with key intramedullary canal, and each first lock screw is each passed through corresponding guiding
Fit tightly behind hole intramedullary pin side surface and jointly fixation clamp intramedullary pin and realize controlling intramedullary pin rotation and axially stable.
Preferably, this key fixed system can also be included for positioning bidirectional fixation steel plate through the second of location hole
Lock screw, now, this twin fixed guide-vane steel plate is sampled structure shown in Fig. 6, and that is, the far-end of steel plate body and/or near-end (that is to say
Say in the upper part of steel plate body and/or end portion) on may be provided for through the second lock screw location hole,
The angle of location hole make through the second lock screw realize steel plate body and be in close contact key location positioning, to realize bone
Dry fracture site position be accurately positioned fixation, enhance union of fracture effect.
Preferably, for fix twin fixed guide-vane steel plate lock screw (the first lock screw and the second lock screw) straight
Footpath scope is 2.4-4.5mm；For fixing the lock screw (the first lock screw and the second lock screw) of twin fixed guide-vane steel plate
Can be all hollow lock screw or solid lock screw.
The structural representation of the use state of preferably key fixed system as shown in Figure 7 and Figure 8, wherein, Fig. 7 is side
View, Fig. 8 is axonometric chart, including above-mentioned twin fixed guide-vane steel plate 2 as shown in Figure 3 or Figure 4 and intramedullary pin 3, and if then adopting
Dry the first lock screw as shown in figures 3-4 using mode as described above carry out twin fixed guide-vane steel plate 2 fixation and
Being fixedly clamped of intramedullary pin 3, is rotated with controlling and strengthens supporting；Intramedullary pin 3 has the structure matching with key intramedullary canal,
Respectively be each passed through each pair pilot hole the first lock screw fit tightly intramedullary pin side surface fix and control intramedullary pin 3 rotation and
Axially stable, in other words, each first lock screw through steel plate body 20 is all close to intramedullary pin 3 and is worn cortex (i.e. cortex
And periosteum between) fixing, jointly clamp intramedullary pin 3 to realize controlling the rotation of intramedullary pin 3 and axially to stablize, form each first lock
Determine the overall structure that the equal tangent line of screw encircles intramedullary pin 3, to strengthen axial direction support, anti-rotation, the stably effect of intramedullary pin 3 further
Really, and then realize to the support shield at shaft fracture broken ends of fractured bone position, anti-rotation and axially stable.
The operation principle of backbone's fixed system proposed by the present invention and using method are described as follows:
As shown in Figure 7 and Figure 8, backbone's fixed system proposed by the present invention, in actual use, intramedullary pin 3 is permissible
Insert in key intramedullary canal by the shaft fracture broken ends of fractured bone, twin fixed guide-vane steel plate 2 can be put by a conventional anterior limited thoracotomy
Enter, therefore only need to an otch and can realize inserting of backbone's fixed system proposed by the present invention, damage surface, injury tolerance in art
And amount of bleeding would generally be less, postoperation recovery and resume speed are very fast, the work of twin fixed guide-vane steel plate 2 as shown in Figure 2-5
Principle and using method are same as above.Twin fixed guide-vane steel plate 2 and intramedullary pin 3 cooperate, the steel plate body of twin fixed guide-vane steel plate 2
20 major axis keep consistent with intramedullary pin 3, and intramedullary pin 3 is realized effective fracture site position and supported fixation, through twin fixed guide-vane steel
Each first lock screw of plate 2 is all close to intramedullary pin 3 and is worn cortex and fix, and that is, steel plate body 20 passes through to arrange each of special angle
The each corresponding first lock screw work of pilot hole cooperation realizes twin fixed guide-vane screw (or perhaps Bidirectional locking screw) to marrow
Interior nail 3 controls rotation and strengthens the effects supporting, so realize shaft fracture position be accurately positioned fixing and anti-rotation and
Anti- axial direction is unstable, further enhances the effective support for shaft fracture, stablizes, aids fracture position is accurately positioned solid
Fixed, effectively ensure the stability after shaft fracture reset.
It should be pointed out that the above specific embodiment can make those skilled in the art that the present invention is more fully understood
Create, but limit the invention never in any form.Therefore, although this specification is created to the present invention with embodiment referring to the drawings
Make and have been carried out describing in detail, it will be understood by those skilled in the art, however, that still can modify to the invention
Or equivalent, in a word, the technical scheme of all spirit and scope without departing from the invention and its improvement, it all should be contained
Cover in the middle of the protection domain of the invention patent.
Claims (10)
1. it is characterised in that including steel plate body, described steel plate body is used for inserting a kind of twin fixed guide-vane steel plate on front side of backbone
And be there is the structure being matched with key leading flank fitted fracture site with fixation, described steel plate body with key leading flank phase
In the structure of coupling, spread configuration at least two is to the pilot hole for being each passed through the first lock screw, the angle of described pilot hole
So that through each first lock screw jointly clamp intramedullary pin and realize controlling the rotation of intramedullary pin and axially stable.
2. twin fixed guide-vane steel plate according to claim 1 is it is characterised in that the far-end of described steel plate body and/or near-end
On be provided for through the second lock screw location hole, the angle of described location hole make through the second lock screw realize
Steel plate body is in close contact key location positioning.
3. twin fixed guide-vane steel plate according to claim 2 is it is characterised in that described steel plate body adopts integral forming process
It is made.
4. the twin fixed guide-vane steel plate according to one of claims 1 to 3 is it is characterised in that described steel plate body is when inserting
Consistent with intramedullary pin and along steel plate body the long axis direction of major axis sets gradually each pair of pilot hole, and each pilot hole is in that biserial is arranged.
5. twin fixed guide-vane steel plate according to claim 4 it is characterised in that described steel plate body with key leading flank phase
In the structure of coupling, the pilot hole of setting is right for two, and, along the short axle setting of steel plate body, steel plate body is along major axis for each pair pilot hole
Direction is divided into two rows.
6. twin fixed guide-vane steel plate according to claim 4 it is characterised in that described body fixed part with key leading flank
In the structure matching, the pilot hole of setting is right for four, and, along the short axle setting of steel plate body, steel plate body is along length for each pair pilot hole
Direction of principal axis is divided into four rows.
7. a kind of backbone's fixed system, it is characterised in that including the twin fixed guide-vane steel plate described in one of claim 1 to 6, also wraps
Include intramedullary pin and some first lock screw, described intramedullary pin is used for fixing fracture site and having and key intramedullary canal phase
The structure of coupling, each described first lock screw fits tightly intramedullary pin side surface after being each passed through corresponding pilot hole simultaneously common
Fixation is clamped intramedullary pin and is realized controlling intramedullary pin to rotate and axially stable.
8. backbone's fixed system according to claim 7 is it is characterised in that described backbone's fixed system is also included for fixed
Second lock screw through location hole of position twin fixed guide-vane steel plate.
9. backbone's fixed system according to claim 8 is it is characterised in that described first lock screw and second locks spiral shell
The diameter range of nail is 2.4-4.5mm.
10. backbone's fixed system according to claim 8 is it is characterised in that described first lock screw and/or second is locked
Determining screw is hollow lock screw or solid lock screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917171.XA CN106344141B (en) | 2016-10-20 | 2016-10-20 | Two-way fixed steel plate and backbone fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917171.XA CN106344141B (en) | 2016-10-20 | 2016-10-20 | Two-way fixed steel plate and backbone fixing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106344141A true CN106344141A (en) | 2017-01-25 |
| CN106344141B CN106344141B (en) | 2024-01-12 |
Family
ID=57864113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917171.XA Active CN106344141B (en) | 2016-10-20 | 2016-10-20 | Two-way fixed steel plate and backbone fixing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106344141B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744403A (en) * | 2017-10-27 | 2018-03-02 | 中国人民解放军第七五医院 | A kind of intramedullary nail suitable for fractured near end of thighbone |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5356410A (en) * | 1991-12-13 | 1994-10-18 | Dietmar Pennig | Adjuvant for osteosynthesis in the case of pertrochanteric fracture of the neck of the femur |
| US20060106385A1 (en) * | 2002-09-01 | 2006-05-18 | Dietmar Pennig | Surgical nail and screw fixation system |
| WO2009042783A2 (en) * | 2007-09-27 | 2009-04-02 | Synthes(U.S.A.) | Nail-plate combination |
| US20090177240A1 (en) * | 2007-10-16 | 2009-07-09 | Perez Edward A | Long bone fixation system and methods |
| WO2010031098A2 (en) * | 2008-09-16 | 2010-03-25 | Christian Haininger | Implant, in particular intramedullary pin for treating a proximal fracture of the humerus |
| CN102421382A (en) * | 2009-04-24 | 2012-04-18 | 新特斯有限责任公司 | Multiplexed screws |
| CN202235654U (en) * | 2011-10-20 | 2012-05-30 | 上海交通大学医学院附属新华医院崇明分院 | Trochanter fixing device combined with intramedullary system to be used |
| US20150105779A1 (en) * | 2013-10-12 | 2015-04-16 | Joel Smith | Combined Intramedullary and Extramedullary Surgical Aiming System And Method |
| CN104771221A (en) * | 2015-04-22 | 2015-07-15 | 熊静 | Intramedullary nail used for inserting into target bone and special guiding system for intramedullary nail used for inserting into target bone |
| US20160206356A1 (en) * | 2015-01-16 | 2016-07-21 | DePuy Synthes Products, Inc. | Washer Plate |
| CN207400790U (en) * | 2016-10-20 | 2018-05-25 | 陈华 | A kind of twin fixed guide-vane steel plate and backbone fixed system |
-
2016
- 2016-10-20 CN CN201610917171.XA patent/CN106344141B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5356410A (en) * | 1991-12-13 | 1994-10-18 | Dietmar Pennig | Adjuvant for osteosynthesis in the case of pertrochanteric fracture of the neck of the femur |
| US20060106385A1 (en) * | 2002-09-01 | 2006-05-18 | Dietmar Pennig | Surgical nail and screw fixation system |
| WO2009042783A2 (en) * | 2007-09-27 | 2009-04-02 | Synthes(U.S.A.) | Nail-plate combination |
| US20100256685A1 (en) * | 2007-09-27 | 2010-10-07 | Plecko Michael | Nail-Plate Combination |
| US20090177240A1 (en) * | 2007-10-16 | 2009-07-09 | Perez Edward A | Long bone fixation system and methods |
| WO2010031098A2 (en) * | 2008-09-16 | 2010-03-25 | Christian Haininger | Implant, in particular intramedullary pin for treating a proximal fracture of the humerus |
| CN102421382A (en) * | 2009-04-24 | 2012-04-18 | 新特斯有限责任公司 | Multiplexed screws |
| CN202235654U (en) * | 2011-10-20 | 2012-05-30 | 上海交通大学医学院附属新华医院崇明分院 | Trochanter fixing device combined with intramedullary system to be used |
| US20150105779A1 (en) * | 2013-10-12 | 2015-04-16 | Joel Smith | Combined Intramedullary and Extramedullary Surgical Aiming System And Method |
| US20160206356A1 (en) * | 2015-01-16 | 2016-07-21 | DePuy Synthes Products, Inc. | Washer Plate |
| CN104771221A (en) * | 2015-04-22 | 2015-07-15 | 熊静 | Intramedullary nail used for inserting into target bone and special guiding system for intramedullary nail used for inserting into target bone |
| CN207400790U (en) * | 2016-10-20 | 2018-05-25 | 陈华 | A kind of twin fixed guide-vane steel plate and backbone fixed system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744403A (en) * | 2017-10-27 | 2018-03-02 | 中国人民解放军第七五医院 | A kind of intramedullary nail suitable for fractured near end of thighbone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106344141B (en) | 2024-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6932818B2 (en) | Intramedullary nail-based bone fracture treatment | |
| US6547791B1 (en) | Retrograde tibial nail | |
| US8734448B2 (en) | Implant assembly for proximal femoral fracture | |
| US20030135211A1 (en) | Intramedullary nail, device for inserting a screw into the same and method thereof | |
| AU2007240665A1 (en) | Hip helical implant | |
| CN100512767C (en) | Trans-vertebral arch pedicle type hollow vertebra centrum bone-grafting apparatus | |
| Browner et al. | Current status of locked intramedullary nailing: a review | |
| CN105125273A (en) | Internal fixation plate for tibial plateau three-column dissection | |
| CN106344141A (en) | Two-way fixing steel plate and diaphysis fixing system | |
| EP3170465A1 (en) | Device for fixing proximal humerus | |
| Bisaccia et al. | The history of external fixation, a revolution idea for the treatment of limb’s traumatized and deformities: from Hippocrates to today | |
| CN204931821U (en) | Bridge joint internal fixation system outside proximal tibia | |
| CN207400790U (en) | A kind of twin fixed guide-vane steel plate and backbone fixed system | |
| CN213310237U (en) | Reduction device for minimally invasive auxiliary reduction of tibial plateau fracture under monitoring of arthroscope | |
| CN203328787U (en) | Intramedullary nail far end lock hole collimation device | |
| Liao et al. | Mini-open intramedullary nailing of acute femoral shaft fracture: reduction through a small incision without a fracture table | |
| CN207400789U (en) | A kind of flap-type gusset and backbone fixed system | |
| CN109480993A (en) | Outside dissection armor plate after combined type tibial plateau | |
| CN106236238B (en) | A kind of flap-type gusset and backbone fixed system | |
| CN208710033U (en) | A kind of shin bone Medullary fixation device | |
| US11116555B2 (en) | Wing-shaped angle steel plate and a bone shaft fixation system | |
| CN112006768A (en) | Combined fixing device for femoral intramedullary nail steel plate | |
| US20050033293A1 (en) | Transtrochanteric rotational osteotomy | |
| CN204971547U (en) | Coaptation board is dissected to three posts of tibial plateau | |
| US20220378483A1 (en) | Bidirectional fixation steel plate and a bone shaft fixation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190613 Address after: No. 28, Fuxing Road, Haidian District, Beijing Applicant after: CHINESE PLA GENERAL Hospital Address before: No. 28, Fuxing Road, Haidian District, Beijing Applicant before: Chen Hua Applicant before: Tang Peifu |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |