CN107260291A - A kind of new arch locking bone fracture plate nail system - Google Patents
A kind of new arch locking bone fracture plate nail system Download PDFInfo
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- CN107260291A CN107260291A CN201710674354.8A CN201710674354A CN107260291A CN 107260291 A CN107260291 A CN 107260291A CN 201710674354 A CN201710674354 A CN 201710674354A CN 107260291 A CN107260291 A CN 107260291A
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- bone plate
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- 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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- 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
- 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
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- 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 discloses a kind of new arch locking bone fracture plate nail system, including bone plate, bone plate has five positions of arching upward, the afterbody that five positions of arching upward include being set gradually by afterbody to center puts nail arch block, half-breadth puts nail arch block and nail tongue is put in fracture region, the nail face of putting at five positions of arching upward forms an angle with bone plate planar shaped and sets several lock holes respectively thereon respectively, the self-locking fixation nail that nail tongue is put by inserting fracture region is fixed to fracture upper end and fracture lower end progress screw, the nail head that nail is fixed in self-locking is stayed in knochenbruch bone, several screwed holes of interlaced arrangement on bone plate, the circular arc inner concave fitted on the inside of bone plate in arc-shaped and formation with knochenbruch bone.The new arch locking bone fracture plate nail system that the present invention is provided, solves bone plate less stable present in prior art, life-span and security is not enough and interior fixation is also easy to produce the problems such as secondary injury, realize effective protection to knochenbruch fracture site.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of new arch locking for fracture of femoral shaft connects
Hone lamella nail system.
Background technology
The theory of healing is contributed to gradually to develop Dynamic Compression Plate based on pressure is applied in fracture site
（DCP）.In order to overcome bone plate to be produced after removing between secondary fracture and bone and bone plate because contact causes cortex of bone necrosis
Etc. defect, one is invented on the basis of DCP and has reduced contact area and the impaired bone plate of cortex of bone blood fortune between bone plate, has been referred to as
For Limited contact Dynamic Compression Plate（LC-DCP）.Perren research groups further improve bone plate simultaneously regarding to the issue above
It has devised fixed in point contact（PC-Fix）System.In addition, people are respective excellent in reservation traditional LC-DCP and PC-Fix
On the basis of point, locked pressurized bone plate has been gone out with tapped eccentric pressurization principle design（LCP）.Li Qihong etc. is in common synthetism
The bottom surface welding conoid protuberance of plate, have developed a kind of taper point contact plate.The composite moving force contact of the designs such as Zhao Yufeng
Bone plate passes through Biomechanics test.Many medical workers add on the basis of China's traditional medicine with reference to external power
The advantage of crimping hone lamella is designed to be added automatically including channel-shaped band tooth automatic compression armor plate, angle blade automatic compression armor plate, non-equal strength
The bone plate system such as laminated steel and ladder type automatic compression armor plate.But, fracture of femoral shaft bone plate system, which still faces, at this stage connects
Hone lamella less stable, the problem such as life-span and security are not enough, interior fixed secondary injury takes place frequently.
The content of the invention
To solve problem of the prior art, the present invention provides a kind of new arch locking bone fracture plate nail system, to femoral shaft
Fracture carry out in it is fixed, so as to ensure that the stability and security of interior fixation, it is to avoid the secondary injury being likely to occur.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of new arch locking bone fracture plate nail system, including bone plate, bone plate have five positions of arching upward, five portions that arch upward
Position includes the afterbody that is set gradually by afterbody to center and puts that nail arch block, half-breadth put nail arch block and nail tongue, five are put in fracture region
The nail face of putting at individual position of arching upward forms an angle with planar shaped where bone plate and sets several lock holes respectively thereon respectively,
And bone plate, knochenbruch fracture upper end are fixedly connected with fracture lower end progress screw by inserting the fixation of the self-locking in it nail, certainly
The nail head of the fixed nail of lock is stayed in knochenbruch bone, and several screwed holes of interlaced arrangement on bone plate, bone plate inner side is in circular arc
The circular arc inner concave that shape and formation fit with knochenbruch bone.
Further, described five arch upward positions including a fracture region put nail tongue, two afterbodys put nail arch block and
Two half-breadths put nail arch block, and fracture region is put nail tongue and is arranged in the middle part of bone plate, and nail tongue is put in bone plate two ends with fracture region
Centered on be symmetrical arranged two afterbodys put nail arch block, fracture region put nail tongue and two ends afterbody put nail arch block between and position
In setting a half-breadth to put nail arch block on bone plate respectively, two half-breadths put the asymmetric setting of nail arch block.
Further, the fracture region is put sets one for penetrating respectively on the nail trapezoidal structure of tongue and its two waist
Nail is fixed in the elongated self-locking that elongated self-locking fixation is followed closely, and correspondence penetrates two elongateds locking certainly that the nail waist of tongue two is put in fracture region
Fixed nail intersection is staggeredly arranged.
Further, the afterbody puts nail arch block section in triangle arch and edge uses arc transition, and afterbody puts nail
Arch block width is identical with the width of bone plate, and it is that nail is put in one side and it puts nail face and bone plate plane that afterbody, which puts nail arch block,
Angle is 30 °, and the non-angle for putting nail face and bone plate plane is 75 °, and what each afterbody put nail arch block puts nail face and close to disconnected
Bone fracture area, which is respectively arranged two, to be used to insert the short self-locking fixation nail that nail is fixed in short self-locking, and nail head direction is remote
Knochenbruch fracture area.
Further, the half-breadth puts nail arch block section in triangle arch and edge uses arc transition, and half-breadth puts nail
The width of arch block is the half of bone plate width, and it is that nail is put in one side and it puts nail face and bone plate plane that half-breadth, which puts nail arch block,
Angle be 30 °, the non-angle for putting nail face and bone plate plane is 75 °, and what each half-breadth put nail arch block puts nail face and remote
Knochenbruch fracture area arranges that one is used to inserting short self-locking and fixes the short self-locking of nail and fixes nail, and nail head direction is towards bone
Folding area domain.
Further, interlaced arrangement is used for eight screwed holes for inserting screw on the bone plate, and the screw includes single
Cortex screw and Bicortical-screw.
Further, on the circular arc inner concave longitudinally disposed some cross arrangements groove, for reducing bone plate
Contact area between knochenbruch.
Further, the fracture region puts nail tongue outer surface and sets matched reinforcing plate.
Further, put the nail face and the angle of bone plate plane formation at the position of arching upward are 30 ° and flat using circular arc
Slip over and cross, the bone plate edge uses round-corner transition.
Further, it is half-thread hollow screw that nail is fixed in the self-locking, and it is deep tooth widely-pitched screw thread that it, which follows closely body screw thread, from
The fixed nail of lock includes elongated self-locking fixation nail and nail is fixed in short self-locking.
Compared with prior art, the present invention has advantages below：
Interior fixed requirement is carried out in order to meet to fracture to femoral shaft knochenbruch, the arch locking bone fracture plate nail system designed by the present invention
System realizes following functions：
1）The stability of plate fixation：The elongated self-locking put by being arranged at fracture region on the nail waist of tongue two fixes nail to bone
Folding upper end and fracture lower end two section knochenbruch take self-locking and are connected form, and submitted by bone plate be misplaced into screw and
The strong fixation followed closely and realized between knochenbruch femoral shaft and bone plate is fixed in short self-locking, adds the stabilization of bone plate nail system
Property, extend its service life；
2）Promote the growth of poroma：Nail is fixed in multiple self-lockings that face is followed closely by being arranged at portion position of arching upward, and makes fracture upper end and bone
It is folded down between knochenbruch is saved at end two and produces tension, promotes the growth of poroma, reduce the generation of bone secondary injury, use safe system
Number is high；
3）It is unimpeded that femoral surface blood is transported：There is circular arc inner concave on the inside of bone plate, arc-shaped curved surface ensure that bone plate and knochenbruch
The matching of bone, is more conducive to the protection to bone surface, and a plurality of groove is provided with the inside of bone plate, reduces bone plate
Contact area between femoral shaft, helps lend some impetus to the unimpeded of femoral surface blood fortune；
4）Selectable screw layout：Can according to actual requirement and it needs to be determined that the layout of nail is fixed in screw and self-locking, meanwhile, spiral shell
Nail has mono cortex screw and Bicortical-screw available again, and self-locking fixes nail and has elongated self-locking to fix nail and short from locking
Surely follow closely available, practical value is high.
Brief description of the drawings
Fig. 1 is the operating diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the transverse sectional view of the present invention；
Wherein, 1- bones plate, 2- fracture regions put nail tongue, 3- afterbodys put nail arch block, 4- half-breadths put nail arch block, 5- elongateds from
Lock fixes nail, the self-locking of 6- short and fixes nail, 7- screwed holes, 8- fillets, 9- elongateds self-locking fixation nail, 10- short from locking
Fixed nail, 11- mono cortexes screw, 12- Bicortical-screws, 13- grooves, 14- fracture gaps, 15- fracture upper end, 16- fracture lower end,
17- circular arcs inner concave, 18- reinforcing plates.
Embodiment
The present invention is further described with reference to specific embodiment.
As Figure 1-3, a kind of new arch locking bone fracture plate nail system, including bone plate 1, fracture upper end 15 and fracture
Lower end 16, carries out screw with fracture lower end 16 to knochenbruch fracture upper end 15 by bone plate 1 and is fixedly connected, fracture upper end 15 and bone
The fracture gap 14 being folded down between end 16 can be healed in the later stage with the growth of poroma, and bone plate 1 has five with circle
What arc was seamlessly transitted arch upward position, put the nail face and the angle of the plane of bone plate 1 formation at position of each arching upward are 30o, put nail
Several are set to be used to insert the lock hole that nail is fixed in self-locking on face, self-locking fixation nail includes elongated self-locking and fixes nail 9 and short
Nail 10 is fixed in self-locking, and elongated self-locking fixation nail 9 is completed after inserting, and is completed to the 16 liang of section knochenbruch in fracture upper end 15 and fracture lower end
Self-locking is connected and pressurizeed, and fixed stability in increase, the nail head that nail 9 is fixed in elongated self-locking should be maintained in knochenbruch bone
Portion, fixes nail 10 by short self-locking and screw completes femoral shaft and the connection of bone plate 1, the ailhead of nail 10 is fixed in short self-locking
Portion should be maintained at knochenbruch bones, fix nail 9 by elongated self-locking and short self-locking fixes nail 10 and makes fracture upper end 15 and bone
It is folded down between holding 16 and produces tension, promote the growth of poroma, reduces and also interlock on the generation of bone secondary injury, bone plate 1
Arrange eight screwed holes 7 for inserting screw, eight screwed holes 7, which intersect, to be staggered and then the screw in it is staggered row
Cloth, it is to avoid what is be likely to occur between screw interferes influence.
Five positions of arching upward put that nail tongue 2, two afterbodys put nail arch block 3 and two half-breadths put nail including a fracture region
Put putting for the trapezoidal tongue 2 of nail and arrange that two elongated self-lockings fix nail 9, two afterbodys and put nail arch on nail face altogether in arch block 4, fracture region
Putting for shape block 3 arranges that nail 10 is fixed in four short self-lockings altogether on nail face, two half-breadths are put putting for nail arch block 4 and arranged altogether on nail face
Nail 10 is fixed in two short self-lockings, and the middle part of bone plate 1 sets fracture region to put nail tongue 2, and the nail trapezoidal structure of tongue 2 is put in fracture region
And its two waist puts nail face for what is followed closely for disposing self-locking to fix, fracture region is put and sets one respectively on two waists of nail tongue 2
Nail 5 is fixed in the elongated self-locking that nail 9 is fixed for penetrating elongated self-locking, and correspondence penetrates two that nail 2 liang of waists of tongue are put in fracture region
Individual elongated self-locking fixes the intersection of nail 9 and is staggeredly arranged and is staggered with the arrangement of the screwing of bone plate 1, easy for removal and installation, and
Angle where non-interference influence, two waists between plane and the plane of bone plate 1 is 30 °, and the short of nail tongue 2 is put in fracture region
Seamlessly transitted between side top surface and its two waist with circular arc, the inner side of bone plate 1 is in circular shape, formation is mutually fitted with knochenbruch bone
The circular arc inner concave 17 matched somebody with somebody and fitted, the arc-shaped curved surface contributes to the protection to bone surface, the circular arc inner concave 17 of bone plate 1
Upper longitudinally disposed a plurality of cross recesses 13, help to reduce the contact area between bone plate 1 and knochenbruch femur, promote femur table
Face blood fortune it is unimpeded, prolong fracture region and put the outer surface of nail tongue 2 matched reinforcing plate 18 is set, improve in it is fixed
Stability simultaneously extends its service life.
The two ends of bone plate 1 by fracture region put nail tongue 2 centered on be symmetrical arranged two afterbodys and put nail arch block 3, fracture region
The afterbody for putting nail tongue 2 and its two ends is put between nail arch block 3 and sets a half-breadth to put nail arch respectively on bone plate 1
Block 4, two half-breadths put that nail arch block 4 is asymmetric to be set, and it is half side that each half-breadth puts nail arch 4 certain only in bone plate 1 of block, half-breadth
Put nail arch block 4 be arranged on the screw on bone plate 1 be staggered it is half side, it is in triangle arch that afterbody, which puts the section of nail arch block 3,
And edge uses arc transition, afterbody puts that nail arch 3 width of block are identical with the width of bone plate 1, and afterbody puts nail arch block 3 for singly
Side is followed closely and its angle for putting nail face and the plane of bone plate 1 is 30 °, and the non-nail face and the angle of the plane of bone plate 1 of putting is 75 °, often
Individual afterbody puts putting nail face and being respectively arranged two for inserting short self-locking fixation nail close to knochenbruch fracture area for nail arch block 3
Nail 6 is fixed in 10 short self-locking, and nail head direction is put on nail face not away from knochenbruch fracture area away from the non-of fracture area
Arrange that nail 6 is fixed in short self-locking, half-breadth puts the section of nail arch block 4 in triangle arch and edge uses arc transition, and half-breadth is put
The width for following closely arch block 4 is the half of the width of bone plate 1, and it is that nail is put in one side and it puts nail face and synthetism that half-breadth, which puts nail arch block 4,
The angle of the plane of plate 1 is 30 °, and the non-angle for putting nail face and the plane of bone plate 1 is 75 °, and what each half-breadth put nail arch block 4 puts nail
The short self-locking fixation nail 6 that face and remote knochenbruch fracture area arrangement one fix nail 10 for inserting short self-locking, ailhead
Portion direction does not arrange that nail 6 is fixed in short self-locking towards fracture area in non-put close to knochenbruch fracture area on nail face.
The total length of bone plate 1 is 160 mm, and eight screwed holes 7 of the positive interlaced arrangement of bone plate 1 can carry out spiral shell as needed
Nail layout, arranges locking screw thread, forcing screw or does not arrange screw, the present invention does not limit the number and type of screwed hole 7, spiral shell
The screw inserted in pit 7 includes mono cortex screw 11 and Bicortical-screw 12, can according to the actual requirements in different numbers and
Intersect to stagger in the screwed hole 7 of type and insert mono cortex screw 11 or Bicortical-screw 12, the edge of bone plate 1 uses the mistake of fillet 8
Cross, bone plate 1, screw, elongated self-locking fixation nail 9 and short self-locking are fixed nail 10 and be made by titanium alloy material, elongated self-locking
It is half-thread hollow screw that nail 10 is fixed in fixed nail 9 and short self-locking, and it is deep tooth widely-pitched screw thread that it, which follows closely body screw thread, is contributed to
Strong locking is realized, and reduces the destruction to screw thread, the possibility of the two failure is then reduced.
The implantation course of work of the present invention comprises the following steps：
Step 1: the situation that femoral shaft knochenbruch is fractured is drawn according to CT scan, according to conventional method fixed in fracture of femoral shaft,
Enter along the related muscle group of femur, manifest the broken ends of fractured bone situation of fracture, conventional RESET is carried out to the broken ends of fractured bone；
Step 2: according to the analysis to sclerotin and fracture situation, being carried out to the screwed hole 7 on bone plate 1 and locking hole arrangement
Optimization design, determines that type, number and the interlaced arrangement direction of nail are fixed in screw and self-locking；
Step 3: along femoral fracture region longitudinal grooved and placing bone plate 1, the shape and size of groove are adapted with bone plate 1,
Interim screw is screwed into after electric drill femur perforate, hole site is corresponding with the screwed hole 7 on bone plate 1；
Step 4: the front of bone plate 1 is inserted after interim screw, take out interim screw successively, electric drill again reaming and with screwed hole 7
It is adapted, hole is built into formal screw, completes the strong fixation between bone plate 1 and femur；
Step 5: being built into knochenbruch fracture upper end 15 and the alignment of the fracture bone of lower end 16 and in lock hole the locking certainly being adapted
Fixed nail, completes the implantation of bone plate 1 and completes screw to fix, subsequent suture operation otch completes fracture of femoral shaft area and synthetism
The implantation connection procedure of plate 1.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of new arch locking bone fracture plate nail system, it is characterised in that including bone plate（1）, the bone plate（1）Have
Five positions of arching upward, the afterbody that described five positions of arching upward include being set gradually by afterbody to center puts nail arch block（3）, half-breadth
Put nail arch block（4）Nail tongue is put with fracture region（2）, five positions of arching upward put nail face respectively with bone plate（1）Plane is formed
Certain angle and several lock holes are set respectively thereon and nail are fixed to bone plate by inserting the self-locking in it（1）, knochenbruch
Fracture upper end（15）With fracture lower end（16）Carry out screw to be fixedly connected, the nail head that nail is fixed in self-locking is stayed in knochenbruch bone,
Bone plate（1）Several screwed holes of upper interlaced arrangement（7）, bone plate（1）Inner side is affixed in arc-shaped and formation with knochenbruch bone
The circular arc inner concave of conjunction（17）.
2. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that described five are arched upward
Nail tongue is put including a fracture region in position（2）, two afterbodys put nail arch block（3）Nail arch block is put with two half-breadths（4）, bone
Put nail tongue in folding area（2）It is arranged at bone plate（1）Middle part, bone plate（1）Two ends nail tongue is put with fracture region（2）Centered on it is symmetrical
Two afterbodys are set to put nail arch block（3）, nail tongue is put in fracture region（2）Nail arch block is put with the afterbody at two ends（3）Between and position
In bone plate（1）It is upper to set a half-breadth to put nail arch block respectively（4）, two half-breadths, which are put, follows closely arch block（4）It is asymmetric to set.
3. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that put the fracture region
Follow closely tongue（2）Setting one in trapezoidal structure and its two waist respectively is used to penetrate elongated self-locking fixation nail（9）Elongated from
The fixed nail of lock（5）, correspondingly penetrating fracture region puts nail tongue（2）Nail is fixed in two elongated self-lockings of two waists（9）Intersection staggers
Arrangement.
4. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that the afterbody puts nail
Arch block（3）Section uses arc transition in triangle arch and edge, and afterbody puts nail arch block（3）Width and bone plate（1）'s
Width is identical, and afterbody puts nail arch block（3）Nail is put for one side and it puts nail face and bone plate（1）The angle of plane is 30 °, non-to put
Nail face and bone plate（1）The angle of plane is 75 °, and each afterbody puts nail arch block（3）Put nail face and close to knochenbruch fracture region
Domain, which is respectively arranged two, to be used to insert short self-locking fixation nail（10）Short self-locking fix nail（6）, nail head direction is remote
Knochenbruch fracture area.
5. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that the half-breadth puts nail
Arch block（4）Section uses arc transition in triangle arch and edge, and half-breadth puts nail arch block（4）Width be bone plate（1）
The half of width, half-breadth puts nail arch block（4）Nail is put for one side and it puts nail face and bone plate（1）The angle of plane is 30 °, non-
Put nail face and bone plate（1）The angle of plane is 75 °, and each half-breadth puts nail arch block（4）Put nail face and away from knochenbruch fracture
Region arranges that one is used to insert short self-locking fixation nail（10）Short self-locking fix nail（6）, nail head direction is towards bone
Folding area domain.
6. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that the bone plate
（1）Upper interlaced arrangement is used for eight screwed holes for inserting screw（7）, the screw include mono cortex screw（11）With double cortex spiral shells
Nail（12）.
7. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that the circular arc indent
Face（17）The groove of upper longitudinally disposed some cross arrangements（13）, for reducing bone plate（1）Contact surface between knochenbruch
Product.
8. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that put the fracture region
Follow closely tongue（2）Outer surface sets matched reinforcing plate（18）.
9. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that the position of arching upward
Put nail face and bone plate（1）The angle of plane formation is 30 ° and seamlessly transitted using circular arc, the bone plate（1）Adopt at edge
Use fillet（8）Transition.
10. a kind of new arch locking bone fracture plate nail system according to claim 1, it is characterised in that described from locking
Fixed nail includes elongated self-locking and fixes nail（9）Fix and follow closely with short self-locking（10）, it is half-thread hollow screw that nail is fixed in self-locking, and it is followed closely
Body screw thread is deep tooth widely-pitched screw thread.
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| CN201710674354.8A CN107260291B (en) | 2017-08-09 | 2017-08-09 | A kind of novel arch locking bone fracture plate nail system |
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| CN201710674354.8A CN107260291B (en) | 2017-08-09 | 2017-08-09 | A kind of novel arch locking bone fracture plate nail system |
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| CN107260291B CN107260291B (en) | 2019-10-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123432A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of cervical bone plate system |
| CN110522500A (en) * | 2019-09-23 | 2019-12-03 | 昆明医科大学第二附属医院 | A kind of combined type Inferior tibiofibular joint fixed plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123432A (en) * | 2019-05-15 | 2019-08-16 | 山东新华联合骨科器材股份有限公司 | A kind of cervical bone plate system |
| CN110522500A (en) * | 2019-09-23 | 2019-12-03 | 昆明医科大学第二附属医院 | A kind of combined type Inferior tibiofibular joint fixed plate |
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| CN107260291B (en) | 2019-10-01 |
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