CN105213015A - A kind of blade plate fracture end being had to initiatively pressure effect - Google Patents
A kind of blade plate fracture end being had to initiatively pressure effect Download PDFInfo
- Publication number
- CN105213015A CN105213015A CN201510759194.8A CN201510759194A CN105213015A CN 105213015 A CN105213015 A CN 105213015A CN 201510759194 A CN201510759194 A CN 201510759194A CN 105213015 A CN105213015 A CN 105213015A
- Authority
- CN
- China
- Prior art keywords
- sliding tray
- screw
- fracture
- plate face
- plate
- 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
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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Fracture end being had to a blade plate for initiatively pressure effect, belonging to bone surgery set technical field, for promoting the healing of fracture site.Blade plate plate face of the present invention adopts arc line shaped design, can stress effectively suffered by dispersion bone plate, prevents blade plate stress centrality from rupturing; Adopt sliding tray to replace screw hole, be more conducive to realizing Wicresoft, make to there will not be screw bias problem during percutaneous pedicle screw, make screw be more prone to insert sliding tray; Meanwhile, under the effect of gravity and myotasis, sliding tray design makes screw longitudinally not having obvious resistance, fracture site can be made fully to pressurize, be more conducive to union of fracture.In rehabilitation course after surgery, lock screw can carry out fine motion slippage along the sliding tray of blade plate, and human body weight can make fracture two ends close to each other, achieves the effect of initiatively pressurization, facilitates the healing of fracture site.Structure of the present invention is simple, easy to use, has the effect of good promotion union of fracture.
Description
Technical field
The present invention relates to the blade plate that a kind of acropathy long bone fractures uses, belong to bone surgery set technical field.
Background technology
Extremity fracture is modal classification of fracture in Orthopedic Clinical work.Explore extremity fracture optimal fixed form is focus in orthopaedics work and difficult point always.The situation of several blade plates of current use is as follows:
The blade plate being conventionally used to fixing limbs fracture mainly relies on the frictional force between blade plate and surface of bone to remain stable, need large area to peel off periosteum in art, heavy damage fracture Peripheral blood fortune, because not pressurizeing to fracture end in art, postoperatively easily there is nonunion, now substantially superseded.
Along with the universal of " AO " serial orthopedic fixation device tool and popularization, it uses limitation also day by day to manifest.
Dynamic Compression Plate (DCP), although can realize the passive pressure effect of fracture site in art, is still fixed against the frictional force produced with surface of bone and remains stable, heavy damage fracture surrounding biologic environment.During union of fracture, once sclerotin infiltration rate is greater than skeletonization healing rate around fracture, passive pressure effect can be lost, and is unfavorable for union of fracture.
" the angle stability " and " inner fixed support " of locking bone fracture plate uniqueness acts on and can provide stable fixed effect when protecting periosteum not to be destroyed; but due to the pressurization to fracture site can not be realized in art; postoperatively also affect union of fracture, be mainly used in extremity metaphysis section fracture or syntripsis.
Interlocking intramedullary nail and locked pressurized bone plate (LCP) are though a large amount of for clinical, and therapeutic effect is remarkable, and postoperative still do not possess fracture site initiatively pressurization, still likely occurs the nonunion caused because of fracture end bone absorption.
In sum, how realizing the postoperative active pressure effect to fracture end is the key issue reducing postoperative fracture disunion incidence rate, and several blade plates used at present all can not carry out active pressurization to fracture site effectively, be therefore necessary that a kind of new blade plate of development solves the problem.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of blade plate fracture end being had to initiatively pressure effect, this blade plate has initiatively pressure effect to fracture end after surgery, skeletonization healing rate around fracture is made to be greater than bone absorption speed, reduce postoperative fracture disunion incidence rate, accelerate the healing of fracture.
The technical scheme solved the problems of the technologies described above is:
A kind of blade plate fracture end being had to initiatively pressure effect, its plate face is rectangle, there is inside rectangular sliding tray at the two ends in rectangular slab face, sliding tray is along the length direction in plate face, sliding tray is positioned on the centrage of plate face length direction, there is step-like breach the upper end of sliding tray dual-side, sliding tray cross section is for falling convex shape, the diameter of the width of sliding tray and the screw rod of lock screw matches, the diameter of the width of step-like breach and the nut of lock screw matches, the upper surface in plate face is circular shape at length direction, the height at length direction two ends, plate face is lower than the height in the middle of plate face, the cross section in plate face is circular shape, the height of width both sides, plate face is lower than the height in the middle of plate face.
Above-mentioned blade plate fracture end being had to initiatively pressure effect, lock screw in described sliding tray is soket head cap screw, the nut of lock screw is embedded in the step-like breach on sliding tray top, and the nut height of lock screw is less than the degree of depth of sliding tray upper step breach.
Above-mentioned blade plate fracture end being had to initiatively pressure effect, the screw that on the plate face of described sliding tray rear end and plate body junction, oriented plate face center position tilts, the angle of inclination in screw and plate face is 30-45 degree, and the screw thread of screw and placement and the handle front end of taking out blade plate matches.
The invention has the beneficial effects as follows:
Blade plate plate face of the present invention adopts arc line shaped design, and around fracture end, blade plate thickens, thinning gradually to two ends, can stress effectively suffered by dispersion bone plate, prevents blade plate stress centrality from rupturing.The present invention adopts sliding tray to replace screw hole, is more conducive to realizing Wicresoft, makes to there will not be screw bias problem during percutaneous pedicle screw, make screw be more prone to insert sliding tray; Meanwhile, under the effect of gravity and myotasis, sliding tray design makes screw longitudinally not having obvious resistance, fracture site can be made fully to pressurize, meet union of fracture principle, be more conducive to union of fracture.The slightly flat blade plate configuration design in two ends of the present invention can make blade plate insert periosteum outer tunnel to be more prone to.In the present invention's rehabilitation course after surgery, lock screw can carry out fine motion slippage along the sliding tray of blade plate, and human body weight can make fracture two ends close to each other, achieves the effect of initiatively pressurization, facilitates the healing of fracture site.Structure of the present invention is simple, easy to use, and the problem of initiatively pressurizeing to fracture site after solving plate fixation, has the effect of good promotion union of fracture, be worthy of popularization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the side view of the amplification of Fig. 1.
In figure, labelling is as follows: blade plate 1, sliding tray 2, step-like breach 3, lock screw 4, screw.
Detailed description of the invention
Show in figure, the plate face of blade plate 1 of the present invention is rectangle, and the upper surface in the plate face of blade plate 1 is circular shape at length direction, and the height at the length direction two ends, plate face of blade plate 1 is lower than the height in the middle of blade plate 1.Meanwhile, the upper surface in the plate face of blade plate 1 is circular shape at width, and the height of the width both sides, plate face of blade plate 1 is lower than the height in the middle of blade plate 1.Blade plate 1 plate face adopts arc line shaped design, can stress effectively suffered by dispersion bone plate 1, prevents blade plate 1 stress centrality from rupturing.Meanwhile, blade plate 1 configuration design can make blade plate 1 insert periosteum outer tunnel to be more prone to.
Show in figure, the present invention instead of the locking Screw hole structure of existing blade plate with sliding tray 2.Inside sliding tray 2 is had at the two ends, rectangular slab face of blade plate 1, sliding tray 2 is along the length direction in plate face, sliding tray 2 is positioned on the centrage of plate face length direction, the diameter of the width of sliding tray 2 and the screw rod of lock screw 4 matches, and lock screw 4 is connected with cortical bone through sliding tray 2.Sliding tray 2 replaces screw hole, is more conducive to realizing Wicresoft, makes to there will not be screw bias problem during percutaneous pedicle screw, makes screw be more prone to insert sliding tray 2.
Show in figure, there is step-like breach 3 upper end of sliding tray 2 dual-side, and the diameter of the width of step-like breach 3 and the nut of lock screw 4 matches, and the degree of depth of step-like breach 3 is greater than the height of the nut of lock screw 4.
Show in figure, lock screw 4 is soket head cap screw, and the nut of lock screw 4 is embedded in the step-like breach 3 on sliding tray 2 top, and the nut height of lock screw 4 is less than the degree of depth of sliding tray 2 upper step breach 3.
The nut thickness of the lock screw 4 of one embodiment of the present of invention is 1/3 of sliding tray 2 groove depth.
Show in figure, the screw 5 that on the plate face of sliding tray 2 rear end and plate body junction, oriented plate face center position tilts, screw 5 is 30-45 degree with the angle of inclination in plate face, and screw 5 matches with the screw thread of the handle front end of placing and taking out blade plate.In Minimally Invasive Surgery, screwed in screw 5 by the threaded portion of the front end of handle, blade plate is inserted or is taken out by hand-held handle.
The screw 5 of one embodiment of the present of invention is 30 degree with the angle of inclination in plate face, the diameter 5mm of screw 5, dark 3mm.
When reality uses, the lower surface of the nut of lock screw 4 and the plane of step-like breach 3 are that limited compression is fastenedly connected, the lower surface of the nut of lock screw 4 can along the slight slippage of plane of step-like breach 3, sliding tray 2 pairs of lock screw 4 play a part cross spacing, and lock screw 4 and the bone be connected can movements slightly on the length direction of blade plate 1, under human body weight effect, realize initiatively pressurization, promote the healing of fracture site.
The compression degree of lock screw and blade plate 1 is grasped by experienced doctor, make blade plate 1 can not compress cortical bone can not move, keep certain pressure again, make blade plate 1 play the effect of fixing fracture site, small movement can also be had at the length direction of blade plate 1 simultaneously.
Claims (3)
1. one kind has the blade plate of initiatively pressure effect to fracture end, it is characterized in that: its plate face is rectangle, there is inside sliding tray (2) at the two ends in rectangular slab face, sliding tray (2) is along the length direction in plate face, sliding tray (2) is positioned on the centrage of plate face length direction, there is step-like breach (3) upper end of sliding tray (2) dual-side, sliding tray (2) cross section is for falling convex shape, the diameter of the width of sliding tray (2) and the screw rod of lock screw (4) matches, the diameter of the width of step-like breach (3) and the nut of lock screw (4) matches, the upper surface in plate face is circular shape at length direction, the height at length direction two ends, plate face is lower than the height in the middle of plate face, the cross section in plate face is circular shape, the height of width both sides, plate face is lower than the height in the middle of plate face.
2. blade plate fracture end being had to initiatively pressure effect according to claim 1, it is characterized in that: the lock screw (4) in described sliding tray (2) is soket head cap screw, the nut of lock screw (4) is embedded in the step-like breach (3) on sliding tray (2) top, and the nut height of lock screw (4) is less than the degree of depth of sliding tray (2) upper step breach (3).
3. blade plate fracture end being had to initiatively pressure effect according to claim 2, it is characterized in that: the screw (5) that on the plate face of described sliding tray (2) rear end and plate body junction, oriented plate face center position tilts, screw (5) is 30-45 degree with the angle of inclination in plate face, and screw (5) matches with the screw thread of the handle front end of placing and taking out blade plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759194.8A CN105213015B (en) | 2015-11-10 | 2015-11-10 | A kind of bone plate for having active pressure effect to fracture end |
| PCT/CN2016/105306 WO2017080482A1 (en) | 2015-11-10 | 2016-11-10 | Internal fixation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510759194.8A CN105213015B (en) | 2015-11-10 | 2015-11-10 | A kind of bone plate for having active pressure effect to fracture end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105213015A true CN105213015A (en) | 2016-01-06 |
| CN105213015B CN105213015B (en) | 2018-05-15 |
Family
ID=54982550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510759194.8A Active CN105213015B (en) | 2015-11-10 | 2015-11-10 | A kind of bone plate for having active pressure effect to fracture end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105213015B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080482A1 (en) * | 2015-11-10 | 2017-05-18 | 张英泽 | Internal fixation plate |
| CN110541658A (en) * | 2019-08-09 | 2019-12-06 | 康宁 | Can dismantle woodwork equipment connection structure of replaceable parts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110319942A1 (en) * | 2010-06-23 | 2011-12-29 | Apex Biomedical Company Llc | Flexible plate fixation of bone fractures |
| CN102551864A (en) * | 2010-12-28 | 2012-07-11 | 北京国人骨科医疗器械有限公司 | Anatomical clavicle front bone fracture plate |
| CN103142300A (en) * | 2013-02-06 | 2013-06-12 | 中国科学院金属研究所 | Novel multifunctional bone plate and application thereof |
| CN203195756U (en) * | 2013-04-18 | 2013-09-18 | 方玉树 | Sliding steel plate |
| CN104224298A (en) * | 2014-09-02 | 2014-12-24 | 苏州爱脊康生物科技有限公司 | Locking and pressurizing bone setting plate with slideable sliding blocks |
| CN205107867U (en) * | 2015-11-10 | 2016-03-30 | 张英泽 | Coaptation board that has effect of initiatively pressurizeing to fracture end |
-
2015
- 2015-11-10 CN CN201510759194.8A patent/CN105213015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110319942A1 (en) * | 2010-06-23 | 2011-12-29 | Apex Biomedical Company Llc | Flexible plate fixation of bone fractures |
| CN102551864A (en) * | 2010-12-28 | 2012-07-11 | 北京国人骨科医疗器械有限公司 | Anatomical clavicle front bone fracture plate |
| CN103142300A (en) * | 2013-02-06 | 2013-06-12 | 中国科学院金属研究所 | Novel multifunctional bone plate and application thereof |
| CN203195756U (en) * | 2013-04-18 | 2013-09-18 | 方玉树 | Sliding steel plate |
| CN104224298A (en) * | 2014-09-02 | 2014-12-24 | 苏州爱脊康生物科技有限公司 | Locking and pressurizing bone setting plate with slideable sliding blocks |
| CN205107867U (en) * | 2015-11-10 | 2016-03-30 | 张英泽 | Coaptation board that has effect of initiatively pressurizeing to fracture end |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080482A1 (en) * | 2015-11-10 | 2017-05-18 | 张英泽 | Internal fixation plate |
| CN110541658A (en) * | 2019-08-09 | 2019-12-06 | 康宁 | Can dismantle woodwork equipment connection structure of replaceable parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105213015B (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204698663U (en) | Locking compress bridge system and Wire/cable contact member inner fixing device | |
| CN202235646U (en) | Proximal femoral anatomical locking plate | |
| CN205107867U (en) | Coaptation board that has effect of initiatively pressurizeing to fracture end | |
| CN105213015A (en) | A kind of blade plate fracture end being had to initiatively pressure effect | |
| CN201519187U (en) | Locking compression bone plate | |
| CN203970523U (en) | A kind of locking compress hole | |
| CN201790888U (en) | Medical perfusion type dynamic hip screw | |
| CN201353195Y (en) | Degradable pressurization bone screw | |
| CN106377297A (en) | Accurately positioning reduction fixing forceps used in traumatic orthopedics departments | |
| CN203468727U (en) | Single screw type percutaneous zygopophysis pedicle screw internal fixation system | |
| CN202198662U (en) | Device for locking outer side at proximal end of thighbone | |
| CN201642297U (en) | Femoral neck screw used for treatment of proximal femoral fractures | |
| WO2017080482A1 (en) | Internal fixation plate | |
| CN204931822U (en) | Locking compress bridge joining composite internal fixation system | |
| CN204744314U (en) | Orthopedics drilling sight | |
| CN203388933U (en) | Distal radius palmar locking plate | |
| CN203677230U (en) | Minimally invasive hollow multi-side hole spinal pedicle screw | |
| CN203291003U (en) | Thighbone locking plate | |
| CN101773407A (en) | Olecroanon locking proximal humerus plate | |
| CN203915063U (en) | Soft tissue protector is squeezed in a kind of pedicle nail opening | |
| CN102335036A (en) | Proximal lateral femur locking device | |
| CN202714915U (en) | Bone-setting screw | |
| CN208741123U (en) | A kind of distal tibial rear side lockplate | |
| CN201958992U (en) | Pressurized injection universal vertebral pedicle screw | |
| CN202801780U (en) | Broken screw trepanation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |