CN108210054A - A kind of memorial alloy femur fracture plate - Google Patents
A kind of memorial alloy femur fracture plate Download PDFInfo
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- CN108210054A CN108210054A CN201810113970.0A CN201810113970A CN108210054A CN 108210054 A CN108210054 A CN 108210054A CN 201810113970 A CN201810113970 A CN 201810113970A CN 108210054 A CN108210054 A CN 108210054A
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- bone plate
- arm
- twin beams
- memorial alloy
- femur fracture
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 206010016454 Femur fracture Diseases 0.000 title claims abstract description 19
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 70
- 238000005452 bending Methods 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 241000219112 Cucumis Species 0.000 claims description 3
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims description 3
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 19
- 206010017076 Fracture Diseases 0.000 abstract description 14
- 208000008924 Femoral Fractures Diseases 0.000 abstract description 5
- 210000000689 upper leg Anatomy 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000002513 implantation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 210000001694 thigh bone Anatomy 0.000 description 6
- 239000012267 brine Substances 0.000 description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000000527 greater trochanter Anatomy 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000035479 physiological effects, processes and functions Effects 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 4
- 208000001132 Osteoporosis Diseases 0.000 description 3
- 208000006735 Periostitis Diseases 0.000 description 3
- 208000005214 Poroma Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 201000001013 eccrine acrospiroma Diseases 0.000 description 3
- 238000011540 hip replacement Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000003460 periosteum Anatomy 0.000 description 3
- 229910010380 TiNi Inorganic materials 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000020089 femoral neck fracture Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000000528 lesser trochanter Anatomy 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- 206010065687 Bone loss Diseases 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 208000015813 Familial avascular necrosis of femoral head Diseases 0.000 description 1
- 208000007875 Femur Head Necrosis Diseases 0.000 description 1
- 206010020100 Hip fracture Diseases 0.000 description 1
- 206010069135 Periprosthetic fracture Diseases 0.000 description 1
- 229910004337 Ti-Ni Inorganic materials 0.000 description 1
- 229910011209 Ti—Ni Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001356 surgical procedure Methods 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
- A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs
-
- 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
- A61B17/74—Devices for the head or neck or trochanter of the femur
-
- 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
-
- 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
Abstract
The present invention relates to a kind of memorial alloy femur fracture plates, the bone plate is twin beams bone plate, it is evenly distributed in the plate face of twin beams bone plate length direction to have rectangular opening, the both sides of twin beams bone plate be distributed in encircle arm, each pair of arm of encircling forms open annular structure, and the pressurization hook of bending is extended to form along one end of twin beams bone plate length.The bone plate of the present invention is integrally formed with pressurization hook, and bone plate agent structure is formed using twin beams, can be effectively increased bone plate and be encircled power and bending strength；The present invention is rational in infrastructure, safe and effective, easy to operate, and prosthese secondary fracture is overhauled after being convenient in femoral fracture fixed and replacement of total hip.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance, and in particular to one kind is for femoral fracture and hip in bone surgery
The memorial alloy femur fracture plate that the postoperative prosthese secondary fracture of joint replacement is overhauled.
Background technology
As China enters aging of population, the fracture of neck of femur of the tuberosity part of fractured near end of thighbone such as femur, femur are big
It fractures under intertrochanteric fracture and greater trochanter of femur, is common major injury.Especially because the dissection particularity of neck of femur,
Once fracturing, reset and fixation is very difficult, nonunion and avascular necrosis of femoral head, Gu Rengong often occurs
The quantity of hip replacement also increases therewith.Due to the elderly, there are different degrees of osteoporosises, and joint replacement is postoperative to crouch
Bed can aggravate osteoporosis again, therefore postoperative microtrauma often results in the generation of Periprosthetic fracture.The presence of prosthese makes treatment more
To be intractable, especially for constitution it is poor, have the elderly patient of severe osteoporosis or bone loss, if malpractice can give disease
People brings unnecessary pain, even catastrophic consequence.
Traditional therapy has general steel plate, steel wire bundle, Mennen plates, improvement Mennen plates, steel plate wirerope to fix system
The fixation for treatment such as system, novel method for the treatment of have shape-memory alloy embracing fixator, less invasive stabilization systems, Lucking compression plate, different
The fixation for treatment such as body cortex bone plate, carbon fiber board, impaction bone grafting and revision procedure.The more therapy of application is locking at present
Compression steel plate wirerope internal fixation treatment, allosome cortex bone plate joint wirerope is fixed and shape-memory alloy embracing fixator etc..
201510522320.8 Chinese patent of application number, title：《A kind of near end of thighbone position and lock steel plate fixing structure》
With 201610496636.9 Chinese patent of application number, title：《The Lucking compression plates such as Universal lock fixed board outside near end of thighbone joint
Joint wirerope》All have the following disadvantages：
1st, after screw is installed in the threaded hole of fixation steel plate, over time, loose phenomenon often occurs for screw, into
And influence fixed effect.
2nd, locking steel plate there are it is complicated, bending strength is weak, not secured etc. enough technical problems of installation.
200920032685.2 Chinese patent of application number, title：《A kind of shape-memory alloy circumferential bone plate》And Shen
Please number 97250035.9 Chinese patents, title：《The shape-memory alloy embracing fixators such as encircling bone bonding plate》It has the following disadvantages：
1st, suitable bone fracture device there is no for fracture of neck of femur and hip replacement secondary fracture.
2nd, current shape-memory alloy embracing fixator is single-spar construction, and it is smaller to encircle power after implantation, causes fixation not firm
Or prosthese is unstable, is the postoperative major complications that secondary fracture occurs.
Invention content
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of rational in infrastructure, safe and effective, behaviour
Make easy memorial alloy femur fracture plate, to carry out in femoral fracture the secondary bone of prosthese after fixed and replacement of total hip
It is folded over to repair.
To achieve these goals, the present invention adopts the following technical scheme that：A kind of memorial alloy femur fracture plate, it is described to connect
Bone plate is twin beams bone plate, the both sides of twin beams bone plate be distributed in encircle arm, each pair of arm of encircling forms open annular knot
Structure extends to form the pressurization hook of bending along one end of twin beams bone plate length.
The twin beams bone plate is equal along its length in the plate face of one section of bone plate straight or with curvature
The even rectangular opening that opens up is formed.
Further, the pressurize end of hook is equipped with a pair of of hook, and two hooks form U-shaped opening, and the end of two hooks is point
Angle, the both sides of each hook melon are equipped with prominent taking-up branch.
Further, twin beams bone plate is straight or pyramidal structure, and the either end or taper of straight twin beams bone plate
A pair that the stub end of twin beams bone plate is equipped with encircles on open annular structure and the twin beams bone plate of arm formation remaining and encircles arm
The open annular structure of formation is maximum compared to split ring.
Preferably, a pair for forming open annular structure maximum encircles the split ring of arm as strip hole, remaining encircles arm shape
Into open annular structure be circle.
Preferably, the logarithm for encircling arm is 2-8 pairs, and the arm for respectively encircling arm is wide equal.
Further, each both sides for encircling arm be equipped with it is symmetrical take out branch, and it is each pair of encircle arm both sides taking-up branch be in
It is symmetrically arranged.
Preferably, the shape for taking out branch is prominent rectangular sheet or semicircle piece.
Further, it is evenly arranged countersunk head sphere hole along the length direction of pressurization hook main body plate face.
Further, the both sides of pressurization hook main body are respectively provided with a recessed portion with the symmetrical position of counter sink.
The beneficial effects of the present invention are：
1. the bone plate of the present invention is integrally formed with pressurization hook, bone plate agent structure is formed using twin beams, can be effectively increased
Bone plate encircles power and bending strength；By evenly distributed rectangular opening among twin beams synthetism harden structure, bone can be effectively observed
The left and right of broken line is aligned and suffers from symphysis situation.The pressurization hook of bending is extended to form along one end of twin beams bone plate length, is added
The body shape of pressure hook is hook-shaped, and the physiology for preferably fitting greater trochanter dissects curve.In femoral fracture or hip revision
After displacement technique in prosthese fracture revision procedure, the sizeable present invention is selected to be installed on after brine ice is moulding and is suffered from bone, is used
The gauze hot compress bone fracture device that hot salt brine impregnates, just realizes lasting self-pressurization function, is more advantageous to the close contact of fracture line, makes
It is fixed.Also mono cortex screw can be used cooperatively near end of thighbone or wirerope can be as the benefit of memorial alloy femur fracture plate
It fills, in the case where fracture compound comminuted is loose, proximal end single-side cortex screw is fixed not necessarily completely reliably, can combine wirerope cerclage.
Distal end use is encircled arm and is fixed, and reduces treatment time and the secondary damage to suffering from bone.
2. the present invention can effectively prevent the axial direction of bone plate to alter by a pair of symmetrical pawl branch of tail portion design in pressurization hook
It is dynamic；Two pawl branch ends consolidate the position obvolvent with human contact using wedge angle, and the angle between two pawl branches is in U for 0-60 °
Shape is disposed with taking-up branch on each pawl branch, easy to disassemble.
3. twin beams bone plate of the present invention is straight or pyramidal structure, to adapt to different human body femur physiology anatomical features；It is double
Strip hole is in the larger arm cross section that encircles of beam bone plate, remaining encircles arm cross section as circle, preferably to adapt to the life of femur
Curve is cutd open in understanding.The either end of straight twin beams bone plate or the big end of taper twin beams bone plate are designed with pressurization hook, can be effective
Increase fixed effect and the stability of hip replacement prosthese in pertrochanteric fracture.
4. the either end of the straight twin beams bone plate or the big end of taper twin beams bone plate are designed with a pair of larger ring
Folded arm, to be preferably bonded between greater trochanter and lesser trochanter, fixed effect in increase.
5. it is two to eight pairs that the present invention, which encircles the logarithm of arm, and the width for respectively encircling arm is equal, be suitable for different type and
Length Fracture internal fixaiion.With the TiNi encircling bone bonding plates of board making, art shapes are simple, production and processing is simple, are easy to become
Shape is installed.Because part is a face contact, blood fortune is not influenced, and can not cut periosteum in art encircles fixation as periosteum, can shorten bone
Healing time.It encircles arm and the transverse direction of broken bone block is continued suitably pressurize and maintain the stress of sclerite and can also promote the life of poroma
Long, these can accelerating union of bone fracture.
6. the present invention has two groups of symmetric arrays to take out branch, and symmetrically arranged in each pair of encircle on arm in each encircle on arm
Row, to facilitate the taking-up after bone plate implantation.
7. the hole being evenly arranged is equipped with, and the diameter in hole has different size among present invention pressurization hook main body plate face, to match
Close the Calcium phosphate cement using different-diameter；The hole is countersunk head sphere hole, is adapted with screw head, is subtracted after cooperation implantation
Lack whole thickness and increase stability in use.
8. the present invention pressurization hook main body both sides, be respectively provided with a recessed portion relative to the symmetrical position of counter sink, so as to
Limiting when metal cable is used cooperatively.
9. the manufacture material selection of TiNi encircling types bone fracture device of the present invention has the function of temperature memory in the prior art, simultaneously
Material with good biocompatibility, such as Ti-Ni marmem, the extensive use in clinic are pacified after being implanted into human body
Entirely, it is nontoxic, without rejection.Memorial alloy femur fracture plate does not influence prosthese stability and interior periosteum blood fortune, bending resistance and resistance to torsion
Can be similar with bone plate, elasticity modulus and human body bone photo are near, and the stress shielding under longitudinal compression load is less than lockplate, is conducive to
Union, poroma rebuild, prevent from fracturing it is loose.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is K of the present invention to direction view；
Fig. 4 is H of the present invention to direction view；
Fig. 5 is the sectional view of Section A-A of the present invention；
Fig. 6 is the sectional view of section B-B of the present invention；
Fig. 7 is the axonometric drawing that the present invention encircles arm；
Fig. 8 is the axonometric drawing of present invention pressurization hook；
Fig. 9 is five pairs of structure charts for encircling arm of the invention.
In figure：1. twin beams synthetism plate body；2. rectangular opening；3. encircle arm；4. pressurize hook；5. hook；6. wedge angle；
7. countersunk head sphere hole；8. take out branch；9. recessed portion；10. end tooth.
Specific embodiment
With reference to specific attached drawing, the present invention is further explained and is illustrated；
As shown in Figure 1, 2, a kind of memorial alloy femur fracture plate, bone plate are twin beams bone plate, and twin beams bone plate is curved slab；
It is evenly distributed along in the plate face of the length direction of curved slab to have rectangular opening 2, as shown in Fig. 2, the both sides of twin beams bone plate are distributed with
In to encircle arm, each pair of arm of encircling forms open annular structure, and each end for encircling arm is end tooth 10, along twin beams bone plate
One end of length extends to form the pressurization hook of bending.As shown in figure 8, the end of pressurization hook is a pair of symmetrical hook 5, two hooks
U-shaped opening is formed, the end of two hooks is wedge angle, and the both sides of each hook melon 5 are equipped with prominent taking-up branch 7.As shown in Fig. 2, edge
Countersunk head sphere hole 7 is evenly arranged on the length direction for hook main body plate face of pressurizeing.And the diameter in hole has different size, to be used cooperatively
The Calcium phosphate cement of different-diameter；Countersunk head sphere hole is adapted with screw head, reduces whole thickness after cooperation implantation
And increase stability in use.As shown in fig. 6, the both sides of pressurization hook main body, a recessed portion is respectively provided with the symmetrical position of counter sink,
Limiting during to be used cooperatively with metal cable, and the circular arc or straight line in the section of recessed portion.Twin beams bone plate shown in FIG. 1
The pyramidal structure that straight configuration or width for equivalent width are changed from small to big, to adapt to different human body femur physiology anatomical features,
And the either end of straight twin beams bone plate or the stub end of taper twin beams bone plate are equipped with the larger ring of a pair of openings cyclic structure
Folded arm, to be preferably bonded between greater trochanter and lesser trochanter, fixed effect in increase.As shown in figure 3, open annular structure is big
The split ring for encircling arm formation is strip hole, as shown in figure 4, remaining open annular structure for encircling arm formation is circle.For more
The physiology dissection curve of good adaptation femur.The logarithm for encircling arm is 2-8 pairs, and the arm for respectively encircling arm is wide equal.Such as Fig. 7 institutes
Show there are two groups of symmetric arrays to take out branch, and be symmetrically arranged in each pair of encircle on arm in each encircle on arm, to facilitate bone plate
Taking-up after implantation, and the shape for taking out branch is rectangle or semicircle.
During implantation, after femoral fracture or hip revision displacement technique in prosthese fracture revision procedure, select specification suitable
The present invention be placed in 0 ~ 5 DEG C of sterile brine ice, being allowed to be fully cooled after 3-5 minutes will be encircled in brine ice with distraction forcep
Arm, which is expanded to product and is open to be more than, suffers from bone outer diameter.Bone is suffered from notch, stripping tissue exposing, and reduction suffers from bone by deformed synthetism
Plate is placed in fracture, and the gauze hot compress bone plate impregnated with 45 DEG C or so sterile hot salt brines makes synthetism sheet reset, solid securely
It is scheduled on fracture.Also memorial alloy femur synthetism can be used as with the use of mono cortex screw or metal cable near end of thighbone
The supplement of plate, in the case where fracture compound comminuted is loose, proximal end single-side cortex screw is fixed not necessarily completely reliably, can combine wirerope
Cerclage.Distal end use is encircled arm and is fixed, and reduces treatment time and the secondary damage to suffering from bone, more meets the theory of biological fixation,
More worth recommendation.During taking-up, notch, stripping tissue exposes bone plate, rejects the poroma for being enclosed in and encircling arm and pressurizeing on hook, first
Remove the mono cortex screw or metal cable of near end of thighbone, then the gauze cold compress bone fracture device impregnated with 0 ~ 5 DEG C of sterile brine ice is extremely
It is 5 minutes few, it can easily take out bone plate with taking-up tool.
The present invention is not limited to the above-described embodiments, makees any variation no matter being formed in its shape or material, every to adopt
With structure design provided by the present invention, all it is a kind of deformation of the present invention, is considered as within the scope of the present invention.
Claims (10)
1. a kind of memorial alloy femur fracture plate, it is characterised in that：The bone plate be twin beams bone plate, the two of twin beams bone plate
Side be distributed in encircle arm, each pair of arm of encircling forms open annular structure, extends shape along one end of twin beams bone plate length
Into the pressurization hook of bending.
2. a kind of memorial alloy femur fracture plate according to claim 1, it is characterised in that：The twin beams bone plate is
Rectangular opening is uniformly opened up along its length in the plate face of one section of bone plate straight or with curvature to be formed.
3. a kind of memorial alloy femur fracture plate according to claim 1 or 2, it is characterised in that：The end of pressurization hook is set
There is a pair of of hook, two hooks form U-shaped opening, and the end of two hooks is wedge angle, and the both sides of each hook melon are equipped with prominent taking-up
Branch.
4. a kind of memorial alloy femur fracture plate according to claim 3, it is characterised in that：Twin beams bone plate for straight or
Pyramidal structure, and a pair that the stub end of the either end of straight twin beams bone plate or taper twin beams bone plate is equipped with encircles arm shape
Into open annular structure on twin beams bone plate remaining encircle arm formation open annular structure compared to split ring maximum.
5. a kind of memorial alloy femur fracture plate according to claim 4, it is characterised in that：Form open annular structure most
The split ring that big a pair encircles arm is strip hole, remaining open annular structure for encircling arm formation is circle.
6. a kind of memorial alloy femur fracture plate according to claim 5, it is characterised in that：The logarithm for encircling arm is 2-8
It is right, and the arm for respectively encircling arm is wide equal.
7. a kind of memorial alloy femur fracture plate according to claim 1,4,5 or 6, it is characterised in that：It is each to encircle
The both sides of arm are equipped with symmetrical taking-up branch, and each pair of taking-up branch for encircling arm both sides is in symmetric arrays.
8. a kind of memorial alloy femur fracture plate according to claim 7, it is characterised in that：The shape of branch is taken out to protrude
Rectangular sheet or semicircle piece.
9. a kind of memorial alloy femur fracture plate according to claim 8, it is characterised in that：Along pressurization hook main body plate face
Countersunk head sphere hole is evenly arranged on length direction.
10. a kind of memorial alloy femur fracture plate according to claim 9, it is characterised in that：The both sides for hook main body of pressurizeing
A recessed portion is respectively provided with the symmetrical position of counter sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113970.0A CN108210054A (en) | 2018-02-05 | 2018-02-05 | A kind of memorial alloy femur fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113970.0A CN108210054A (en) | 2018-02-05 | 2018-02-05 | A kind of memorial alloy femur fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108210054A true CN108210054A (en) | 2018-06-29 |
Family
ID=62670689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810113970.0A Pending CN108210054A (en) | 2018-02-05 | 2018-02-05 | A kind of memorial alloy femur fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108210054A (en) |
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| CN108742817A (en) * | 2018-07-06 | 2018-11-06 | 南京鼓楼医院 | Steel plate is overhauled in distal femur dissection locking |
| CN115645119A (en) * | 2022-12-12 | 2023-01-31 | 兰州西脉记忆合金股份有限公司 | Hip joint prosthesis memory alloy femoral stem component system and using method thereof |
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