CN103536347A - Auxiliary wing type steel plate - Google Patents
Auxiliary wing type steel plate Download PDFInfo
- Publication number
- CN103536347A CN103536347A CN201310389682.5A CN201310389682A CN103536347A CN 103536347 A CN103536347 A CN 103536347A CN 201310389682 A CN201310389682 A CN 201310389682A CN 103536347 A CN103536347 A CN 103536347A
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- Prior art keywords
- steel plate
- module
- screw
- locking
- fracture
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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
- A61B17/8004—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
- A61B17/8009—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 plate having a ratchet
-
- 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
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- 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)
- Prostheses (AREA)
Abstract
The invention discloses an auxiliary wing type steel plate which comprises a locking module and a gripping module fixedly connected with the locking module. The locking module is provided with a horizontal connection face which is provided with screw connection holes. The gripping module comprises a plurality of inner-arc-shaped gripping arms. When the auxiliary wing type steel plate is installed, the locking module is connected with a locking compression plate, comminuted fracture blocks are effectively gripped through the gripping module, the auxiliary wing type steel plate is buckled to the locking compression plate, and the auxiliary wing type steel plate can slide at will according to actual needs; when the comminuted fracture blocks are effectively gripped through the gripping module, the auxiliary wing type steel plate is locked to a locking connection plate by means of the locking module through screws, fixation of the fracture end can be maintained, the fracture end can beneficially heal, and the auxiliary wing type steel plate is used for the field of medical instruments.
Description
Technical field
The present invention relates to a kind of medical internal fixation device, particularly relate to a kind of aileron shape steel plate for comminuted fracture treatment.
Background technology
For long bone of limbs dry grinding, fracture, the clinical internal fixation that adopts more, internal fixation device used be take locking compress steel plate, interlocking intramedullary nail and memorial alloy encircling bone bonding plate as main, and large number of biological Experiments of Machanics and clinical therapeutic efficacy show that they have good resistance to lateral bending, anti-verticity and axial stability.
But the processing for comminuted fracture piece, clinical steel wire bundle or the lag screw of adopting fixed more, even disregard, caused producing more complication, often there will be following situation: 1), bundling belt can affect periosteum, the formation of callus, affect the blood fortune of fracture site, having report to show to use bundling belt to cause fracture delayed union rate in clinical treatment is 12～15%, nonunion rate can reach 22%, the binding material that steel wire class is thinner, because binding pressure is wayward, easy fracture, slide, very easily slide to and in fracture site, cause bone does not connect, and binding material is thinner, contact area is little, after tightening, can produce line dissection.Meanwhile, in art, owing to having used different metal materials inside-fixture, its galvanic element reaction that affected part produces in human body each other, makes fracture site and bone and inside-fixture contact position that electrolysis occur and causes fracture bone resorption to be accelerated, and causes bone does not connect.In addition, because being difficult to improve, processes steel wire stump in art, the steel wire internal structure of damage can accelerated corrosion process, and corrosion itself also can increase the incidence rate of implants fatigue fracture, after union of fracture during row inside-fixture removal surgery, because interior fixedly steel wire is often because callus embedding is difficult to take out or fracture is left over, easily cause doctor-patient dispute.2), clinical common use locking steel plate coordinates lag screw bone fixation folded block, because it is difficult to comminuted fracture piece capable fully effectively fixing, interior constant intensity is inadequate, need long period bed, avoid bearing a heavy burden, fracture end lacks enough stress stimulations and easily causes osteoporosis, fracture delayed union even not to heal.3), directly in row TiNi fracture with memory alloy embrace fixator, fix, its anti-rotation, resistance to lateral bending performance are the most weak in above inside-fixture, for comminuted fracture piece, be difficult to effectively maintain especially, easily occur that fracture end is prone to malalinement, indirect fracture malunion.Malunion incidence rate 0%～30% fixing in its row for bibliographical information, the even potential contact surface that changes tibial prosthesis of offset, has increased the arthropathic danger of cartilage degeneration and degenerated.
Summary of the invention
For addressing the above problem, thereby the invention provides a kind of fixing aileron shape steel plate that is more conducive to fracture end healing that can maintain fracture end.
The technical solution adopted for the present invention to solve the technical problems is:
A shape steel plate, the grasping module that comprises locking module and be fixedly connected with locking module, locking module is provided with a horizontal connecting surface, and horizontal connecting surface is provided with screw connecting hole, grasps the gripper arms that module comprises some arcs.
Be further used as the improvement of technical solution of the present invention, locking module is provided with an arc connecting plate with grasping intermodule.
Be further used as the improvement of technical solution of the present invention, grasp module and comprise a cross bar perpendicular to arc connecting plate axis, along the length direction of cross bar, be evenly distributed with several gripper arms.
Be further used as the improvement of technical solution of the present invention, be provided with screw in screw connecting hole, screw connecting hole is sedimentation screw hole, and the settling height of screw connecting hole equals the height of screw screwing head.
Be further used as the improvement of technical solution of the present invention, the thread segment of screw is inverted cone.
Beneficial effect of the present invention: this aileron shape steel plate connects locking bone fracture plate by locking module in installation process, and by grasping module, comminuted fracture piece is formed effectively and grasped, this aileron shape steel plate button is taken on locking bone fracture plate, can look actual needs and arbitrarily slide, after grasping module and comminuted fracture piece is formed effectively grasping, by screw, through locking module, this aileron shape steel plate is locked on locking connecting plate, thereby may maintain fixing of fracture end, is more conducive to fracture end healing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is first embodiment of the invention overall structure schematic diagram;
Fig. 2 is second embodiment of the invention overall structure schematic diagram;
Fig. 3 is third embodiment of the invention overall structure schematic diagram;
Fig. 4 is bolt structure schematic diagram in the embodiment of the present invention;
Fig. 5 is bolt structure front view figure in the embodiment of the present invention.
The specific embodiment
With reference to Fig. 1～Fig. 5, the present invention is a kind of aileron shape steel plate, comprise locking module 1 and the grasping module 2 being fixedly connected with locking module 1, locking module 1 is provided with a horizontal connecting surface 11, horizontal connecting surface 11 is provided with screw connecting hole 12, grasps the gripper arms 21 that module 2 comprises some arcs.
This aileron shape steel plate connects locking bone fracture plate by locking module 1 in installation process, and form effectively and grasp by 2 pairs of comminuted fracture pieces of grasping module, this aileron shape steel plate button is taken on locking bone fracture plate, can look actual needs and arbitrarily slide, after grasping 2 pairs of comminuted fracture pieces of module and forming and effectively grasp, by screw, through locking module 1, this aileron shape steel plate is locked on locking connecting plate, thereby may maintain fixing of fracture end, is more conducive to fracture end healing.
The locking module 1 of aileron shape steel plate adopts the design of inverted U bridge shape, by supporting lock screw, itself and femur locking bone fracture plate can be formed to firm internal fixation system.Suitably fixing at femur locking bone fracture plate, femur comminuted fracture piece resets temporarily, under fixing prerequisite, U-shaped locking module 1 can be in near-end or the far-end of syntripsis section, button is taken on locking bone fracture plate, depending on actual needs, can arbitrarily slide, after annular gripper arms forms comminuted fracture piece and effectively grasps, use self-control lock screw that aileron shape steel plate is locked on femur locking bone fracture plate.
This aileron shape steel plate can maintain the fixing and stable of fracture end, coordinate under the prerequisite of conventional locking steel plate utilization, there is the action of compressive stress that improves the longitudinal property of fracture end, centration, by applying polymerization to fracture site, add compressive stress, can effectively keep sclerite stable, prevent sclerite displacement.Have efficient recovery fracture end integrity and continuity, allow patient carry out as early as possible functional exercise, the stimulation of conducting by stress, is more conducive to the healing of fracture end, the recovery as early as possible of limb activity function.
As the preferred embodiment of the present invention, locking module 1 and 2 of modules of grasping are provided with an arc connecting plate 3.
As the preferred embodiment of the present invention, grasp module 2 and comprise a cross bar 22 perpendicular to arc connecting plate 3 axis, along the length direction of cross bar 22, be evenly distributed with several gripper arms 21.
Each gripper arms 21 is the environmental protection arm configuration of inflection, fixing to grasping of comminuted fracture piece by encircling arm realization, recovers syntripsis femoral shaft and dissects complete line.Aileron shape steel plate is encircled arm and is adopted arc design, by longitudinally encircling trunk, laterally separates, parallel to each other to each other, encircles arm quantity according to femoral shaft degree of grinding specific design, in use procedure, can select different size according to practical situation.
As the preferred embodiment of the present invention, in screw connecting hole 12, be provided with screw 13, screw connecting hole 12 is sedimentation screw hole, the settling height of screw connecting hole 12 equals the height of screw 13 screwing heads.
As the preferred embodiment of the present invention, the thread segment of screw 13 is inverted cone.
The screw connecting hole 12 of aileron shape steel plate adopts oval countersunk head design, settling height is suitable with screw terminal height, thereby guarantee that screw terminal can fall in the screw connecting hole 12 of aerofoil profile steel plate completely when screw lock timing, avoid formation compressings such as surrounding soft tissues.
Due to clinical used femur locking bone fracture plate, its screw lock hole is left and right and is alternately distributed on lockplate, therefore aerofoil profile steel plate screw connecting hole 12 adopts elliptic design, its major axis is perpendicular to the locking bone fracture plate longitudinal axis, major diameter equals on locking bone fracture plate two adjacent locking screws distance of outboard end separately, thereby guaranteed that aileron shape steel plate inserts clockwise or counterclockwise, aileron shape steel plate screw all can be followed and on locking bone fracture plate, be locked screw and produce good para-position secure lock.
The supporting screw 13 of aileron shape steel plate adopts half-thread conical design, hexagonal design in screw terminal screw adopts, its aperture specification, size are consistent with hexagonal screw in conventional femur lock screw, and above screwdriver that both use is general, and handled easily person is to the installation of screw or taking-up.The supporting lock screw of aileron shape steel plate, its thread taper, highly, mates with locking bone fracture plate lock hole, guarantees that it can be locked in aileron shape steel plate on femur locking bone fracture plate by locking screw.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (5)
1. an aileron shape steel plate, it is characterized in that: comprise locking module (1) and the grasping module (2) being fixedly connected with described locking module (1), described locking module (1) is provided with a horizontal connecting surface (11), described horizontal connecting surface (11) is provided with screw connecting hole (12), and described grasping module (2) comprises the gripper arms (21) of some arcs.
2. aileron shape steel plate according to claim 1, is characterized in that: between described locking module (1) and grasping module (2), be provided with an arc connecting plate (3).
3. aileron shape steel plate according to claim 2, it is characterized in that: described grasping module (2) comprises a cross bar (22) perpendicular to arc connecting plate (3) axis, along the length direction of described cross bar (22), be evenly distributed with several gripper arms (21).
4. aileron shape steel plate according to claim 1, it is characterized in that: in described screw connecting hole (12), be provided with screw (13), described screw connecting hole (12) is sedimentation screw hole, and the settling height of described screw connecting hole (12) equals the height of screw (13) screwing head.
5. aileron shape steel plate according to claim 4, is characterized in that: the thread segment of described screw (13) is inverted cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310389682.5A CN103536347A (en) | 2013-05-28 | 2013-08-30 | Auxiliary wing type steel plate |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205701 | 2013-05-28 | ||
| CN201310205701.4 | 2013-05-28 | ||
| CN201310389682.5A CN103536347A (en) | 2013-05-28 | 2013-08-30 | Auxiliary wing type steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103536347A true CN103536347A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310389682.5A Pending CN103536347A (en) | 2013-05-28 | 2013-08-30 | Auxiliary wing type steel plate |
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| CN (1) | CN103536347A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113740A (en) * | 2018-01-09 | 2018-06-05 | 江苏荷普医疗科技股份有限公司 | Bone-knitting device on the inside of new distal radius |
| CN108601659A (en) * | 2016-01-28 | 2018-09-28 | 德普伊新特斯产品公司 | The division attachment of retainer is accommodated for graft |
| CN110840540A (en) * | 2019-10-14 | 2020-02-28 | 孙玮 | Pelvis internal fixator and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564121Y (en) * | 2002-09-17 | 2003-08-06 | 张德胜 | Marmen hoop driver for limbs tubular diaphysial fracture |
| CN101854873A (en) * | 2007-11-13 | 2010-10-06 | 新特斯有限责任公司 | Periprosthetic fracture repair |
-
2013
- 2013-08-30 CN CN201310389682.5A patent/CN103536347A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564121Y (en) * | 2002-09-17 | 2003-08-06 | 张德胜 | Marmen hoop driver for limbs tubular diaphysial fracture |
| CN101854873A (en) * | 2007-11-13 | 2010-10-06 | 新特斯有限责任公司 | Periprosthetic fracture repair |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601659A (en) * | 2016-01-28 | 2018-09-28 | 德普伊新特斯产品公司 | The division attachment of retainer is accommodated for graft |
| CN108601659B (en) * | 2016-01-28 | 2021-04-30 | 德普伊新特斯产品公司 | Split attachment for graft containment cage |
| US11207185B2 (en) | 2016-01-28 | 2021-12-28 | DePuy Synthes Products, Inc. | Splitting attachment for graft containment cage |
| CN108113740A (en) * | 2018-01-09 | 2018-06-05 | 江苏荷普医疗科技股份有限公司 | Bone-knitting device on the inside of new distal radius |
| CN110840540A (en) * | 2019-10-14 | 2020-02-28 | 孙玮 | Pelvis internal fixator and application thereof |
| CN110840540B (en) * | 2019-10-14 | 2021-01-12 | 孙玮 | Pelvis internal fixator and application thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140129 |
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| RJ01 | Rejection of invention patent application after publication |