CN105193488A - Arc-shaped steel plate for fixation of fracture of femur - Google Patents
Arc-shaped steel plate for fixation of fracture of femur Download PDFInfo
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- CN105193488A CN105193488A CN201510505105.7A CN201510505105A CN105193488A CN 105193488 A CN105193488 A CN 105193488A CN 201510505105 A CN201510505105 A CN 201510505105A CN 105193488 A CN105193488 A CN 105193488A
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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
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Abstract
The invention relates to an arc-shaped steel plate for fixation of intertrochanteric fracture and subtrochanteric fracture, belonging to the technical field of implants in human bodies. The arc-shaped steel plate for fixation of fracture is composed of a main plate and an arc-shaped plate, wherein the arc-shaped plate is manufactured at one side of the main plate, the main plate and the arc-shaped plate are integrated through arc transition, and the main plate and the arc-shaped plate are laminated and fixed with the femur through screws. According to the invention, by additionally arranging the arc-shaped plate at one side of the main plate, a screw implanting area at the front outer side or front side of the femur can be effectively utilized, six or more than six lock holes fixed to the femoral head through the femoral neck can be selected, neck built-in screws are dispersed, and the arc-shaped plate shares the stress of the main plate, so that the fracture reduction and fixation effect and plate support degree of the inner rear side of intertrochanteric fracture are improved; and the arc-shaped steel plate for fixation is wide in range of application, can be used for all stable and unstable intertrochanteric fracture and subtrochanteric fracture, splintered fracture of the medial femoral calcar and lesser trochanter as well as fracture of the femoral neck, is capable of effectively reducing the risks of coxa vara, coxa rotation, screw breaking and plate breaking, and is simple and convenient to install as well as safe and stable in use.
Description
Technical field
The present invention relates to the femur arc blade plate of a kind of femoral intertrochanteric, fractura subtrochanterica, belong to people's implants in vivo technical field.
Background technology
Femoral intertrochanteric and fractura subtrochanterica are the commonly encountered diseases of Orthopedic Clinical, often cause coxa vara and hip rotation deformity because of malpractice and disable or die from mortality complication.Take surgical menopause to treat for treatment of intertrochanteric fracture of femur both at home and abroad at present more, its internal fixation material has the pegboard systems of Medullary fixation system and marrow extenal fixation, wherein Medullary fixation system requires high to operation performance accuracy, and can destroy and hinder blood fortune in femoral bone cavitas medullaris, cause the incidence rate of the complication such as fat embolism high, have a big risk, and the later stage takes out difficulty, thus make its clinical expansion by restriction to a certain extent.Marrow extenal fixation pegboard systems owing to being at femoral shaft marrow extenal fixation, have easy and simple to handle, do not destroy the advantage such as blood fortune in femoral shaft marrow, be therefore used widely clinically.Marrow external fixation bone fracture plate conventional is at present lath-shaped, lath is opened and is shaped with multiple screw, be fixed by screws in lateral side of femur.But found by a large amount of clinical practice, there is many defects in the marrow extenal fixation pegboard systems of lath-shaped, screw as lateral side of femur lockplate can only be screwed into by inside the lateral of femur, and there is anterior arch to a certain degree in the neck of femur of normal person, namely the axis of neck of femur does not overlap with the line of capital central point to femur upper segment lateral surface mid point, so, the extended line of neck of femur axis is without the mid point of femur upper segment lateral surface, and the intersection be through with front side outside femur upper segment, i.e. outer rim before femur upper segment, this anatomical structure make existing outer panel strip fixing head in neck of femur put screw direction can not with the axis parallel of neck of femur, the interval can putting screw in neck of femur is less, can not distribute in femoral head more dispersedly at the screw put in neck of femur, cause the less effective that screw is fixing, the anti-ability of revolving of femoral head and neck is weak, and the performance accuracy of opposed nail requires very high in art, cause sometimes repeatedly putting nail in art and extending operating time, in addition, front outer bow is to a certain degree there is outside femur upper segment, existing outer panel strip fixing head is platen surface structure at femur upper segment, causes the attaching weak effect of blade plate and femur outer surface in art, to cause in art repeatedly flap and reduces the firmness of plate and extend operating time, moreover, for unstability peritrochanteric femoral fractures, the syntripsis in medial femoral square and lesser trochanter portion, fixing after its reduction of the fracture inside fractures, support effect is very poor, this is because the marrow extenal fixation nail-plate of lath-shaped can only be fixed from lateral side of femur through plate ecto-entad, inner side osteocomma after lesser trochanter and femur can not be fixed through plate, can not partly wrap up, laminating femur is done to be fixed by forward direction rear support, in implant, compressive stress is large, easily there is screw loosening, steel plate or screw twisting and breaking, screw cutting femoral head and coxa vara, the complication such as hip rotation deformity occur, have a strong impact on therapeutic effect.
Summary of the invention
The object of the invention is to, there is provided a kind of applied widely, attach well with femur outer surface, can support by half parcel femur, fixing, nail can be put from lateral side of femur, nail can be put again from the front of outer rim before femur or femur, the rear inner side fixed effect of intertrochanteric fracture and the firmness of support degree and mainboard can be improved, the built-in nail of more neck of femur can be provided to select, effective raising is toward the simplicity of the built-in nail of neck of femur and accuracy, the built-in nail dispersion of its neck, anti-ability of revolving is strong, and can fix in lesser trochanter and femur through plate, rear side fracture, improve the effect of fracture fixation, reduce coxa vara, hip rotates, broken nail, disconnected plate risk, reduce complication to greatest extent, install simple and convenient, use safety, stable.With solve prior art can not half parcel laminating femur support fixing, can not from outer rim before femur or to put nail, plate and sclerotin attaching property from the front of femur through plate poor, in implant, compressive stress is too concentrated, steadiness is poor, the built-in nail of neck not too disperses, anti-ability of revolving is weak, often occurs the femur arc blade plate of screw loosening, steel plate twisting and breaking, screw cutting femoral head and the problem such as coxa vara, hip rotation deformity.
The present invention realizes above-mentioned purpose by the following technical solutions
This femur arc blade plate comprises mainboard and arc, it is characterized in that: arc is produced on the side of mainboard, and mainboard and arc are connected to become an entirety by arc transition; Mainboard and arc are manufactured with screw, screw is circular, oval or circle rectangle, figure of eight structure, screw one end in figure of eight structure is threaded lock hole, the other end is not threaded screw, it is oblique-shaped hole that the nail put of the top making of mainboard enters capital screw in neck of femur pulp cavity, it is oblique-shaped hole that the nail put that on arc and the place of dividing a word with a hyphen at the end of a line of mainboard and arc makes enters capital screw in neck of femur pulp cavity, and the axis of above-mentioned oblique screw is vertical with plate face or become 10 ° ~ 75 ° angles with plate face; Arc tips is stuck up consistent with the arc outside femoral trochanteric outside the mainboard on mainboard top, the middle part of mainboard or middle and lower part are manufactured with the grand arc of mainboard matched with femur outer surface radian, and before the radian of arc plate and sclerotin phase veneer and femur, the radian of outer surface is consistent.
Mainboard has multiple concave arc with arc and sclerotin phase veneer, to reduce the contact area of plate and bone surface, is beneficial to blood vessel and grows into.
Be manufactured with between the place of dividing a word with a hyphen at the end of a line of mainboard and arc and any two adjacent holes of arc and wipe out groove, be convenient to do bending distortion in art as required to attach better with sclerotin, be also convenient to wipe out unwanted part in art.Arc also has one or more screw can put posterior bony fragment in the fixing lesser trochanter of nail and femur, screw can be circle, ellipse or circle rectangle, figure of eight structure, and mainboard is consistent with the outer surface curved surface of femur with the arcwall face that arc forms.
The present invention's beneficial effect is compared with prior art
The blade plate of this band arc and femur outer surface attach well, can support by half parcel femur, fixing, arc plate can share mainboard stress, nail can be put from lateral side of femur, nail can be put again from the front of outer rim before femur or femur, the built-in nail of more neck of femur can be provided to select, effective raising is toward the simplicity of the built-in nail of neck of femur and accuracy, and the built-in nail dispersion of its neck, anti-ability of revolving is strong, rear inner side fixed effect and the support degree of intertrochanteric fracture can be improved, can fix in lesser trochanter and femur through plate, rear side fracture, improve the effect of fracture fixation, reduce coxa vara, hip rotates, broken nail, disconnected plate risk, reduce complication to greatest extent, install simple and convenient, use safety, stable.It is applied widely, the support of relative securement all can be carried out with fixing to the syntripsis in unstable intertrochanteric fracture, subtrochanteric fracture, medial femoral square and lesser trochanter portion, effectively reduce coxa vara, broken nail, disconnected plate risk, decrease complication to greatest extent, improve therapeutic effect; And install simple and convenient, and stress dispersion, use safety, stable.Solve existing blade plate can not lack and effectively support with fixing by rear side in the fixing thus femur of half parcel laminating femur, selectivity toward the built-in nail of neck of femur is few, the built-in nail of neck of femur is too concentrated, anti-ability of revolving is weak, the attaching less effective of plate and sclerotin, it is large that monoplane fixedly causes compressive stress in implant, often there is screw loosening, steel plate twisting and breaking, screw cutting femoral head and the complication such as coxa vara, hip rotation deformity, the scope of application is little, support, stability maintenance is poor, have a strong impact on the problem of therapeutic effect.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of femur arc blade plate;
Fig. 2 is the left TV structure schematic diagram of femur arc blade plate;
Fig. 3 is the backsight structural representation of femur arc blade plate;
Fig. 4 is the structural representation after femur arc blade plate is installed.
In figure: 1, mainboard, 2, arc, 3, concave arc structure, 4, screw, 5, wipe out groove, 6, stick up arc tips outside mainboard, 7, the grand arc of mainboard, 8, femur.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail:
This femur arc blade plate comprises mainboard 1 and arc 2, and arc 2 is produced on the side of mainboard 1, and mainboard 1 and arc 2 are connected to become an entirety by arc transition.Mainboard 1 and arc 2 are manufactured with screw 4, and what have in screw 4 is manufactured with screw thread, the not making screw thread had, and screw 4 is divided into for circular, oval or circle rectangle, figure of eight structure.One end of mainboard 1 is made into outside the mainboard that leans outward sticks up arc tips 6, the arcwall face that mainboard 1 forms with arc 2 is consistent with the curved surface of femur, the place of dividing a word with a hyphen at the end of a line of the top of mainboard 1, mainboard 1 and arc 2 and arc 2 are manufactured with can put follow closely in neck of femur pulp cavity, enter capital oblique lock hole, arc 2 is also manufactured with can put and follows closely inner edge or trochantinian screw 4 after from outer rim before femur to femur; Mainboard 1 and arc 2 and sclerotin phase veneer are manufactured with concave arc structure 3, and the place of dividing a word with a hyphen at the end of a line of mainboard 1 and arc 2 and arc 2 are manufactured with and wipe out groove 5, mainboard 1 and arc 2 are fitted by lock screw and femur 8 and are fixed (see accompanying drawing 1 ~ 4).
The front outer shape of this its shape of femur arc blade plate and femur 8 and femoral trochanteric matches, it is manufactured with the grand arc 7 of mainboard at the swelling part of femur 8 epimere, mainboard 1 is arranged on the outside of femur 7, and the arc 2 be connected with mainboard 1 is positioned at the front on femur 8 top.When installing and using, outside the incidence that mainboard 1 is fixed to femur 8 by screw 4 with the bone cortex drilling of screw outside femur 8 and femoral shaft, screw is screwed into from the front side of femur 8 upper end or front outside bone cortex drilling again by the screw 4 at arc 2 or arc 2 and mainboard 1 place of dividing a word with a hyphen at the end of a line, through the pulp cavity of femur 8 to femoral head and neck sclerotin internal fixtion, also be screwed into screw by the screw 4 on arc 2 from the front side of femur 8 or front outside bone cortex drilling, the pulp cavity inner side to lesser trochanter of femur or femur through femur 8 is fixing.
The oblique neck of femur y direction of screw 4 in arc tips 6 is stuck up outside the mainboard of mainboard 1, be convenient to certain two hole in this four hole or three holes insert pinning and be fixed to femoral head and neck, the screw 4 in figure of eight structure on the middle part of mainboard 1, lower panel is convenient to put nail and is entered inner side cortical bone in horizontal direction.
Oblique screw on arc 2 becomes 10 ° ~ 75 ° angles through the inner side pulp cavity of femur 7 to femoral head and neck sclerotin internal fixtion with plate face.Normal human's neck of femur is had an appointment the top rake of 15 degree, and thus under the action of compressive stress larger from femoral head and neck, the shearing force that on arc 2, the pinning of inner installation bears is relatively little, not easily occurs broken nail phenomenon.Because mainboard 1 is connected with arc 2, increase the width of mainboard 1 and to make on mainboard 1 stressed can disperse to arc 2, therefore more solid and reliable, reduce the risk of mainboard blade plate fracture.The mainboard 1 be connected and arc 2 can from intimate fore-and-aft direction half wrap up be beneficial to through plate put follow closely fix after inside fracture or lesser trochanter, the concave arc structure 3 mainboard 1 and arc 2 being opened system is convenient to blood vessel and is grown into.Can on mainboard, 1 ~ 2 aperture neck of femur be selected to be fixed to femoral head with the simplicity of operation as required in art, femoral head is fixed to again from arc 2 or mainboard 1 and arc selection 1 ~ 2 aperture neck of femur of dividing a word with a hyphen at the end of a line, total nearly more than 6 pieces or 6 pieces to be fixed to capital lock hole through neck of femur available, and institute's screw of putting in neck of femur can be made too unconcentrated, solve existing blade plate thus to lack inside femur and effectively support with fixing by half parcel laminating femur, the selectivity that neck of femur puts nail is few, the built-in nail of neck of femur is too concentrated, anti-ability of revolving is weak, the attaching less effective of plate and sclerotin, it is large that monoplane fixedly causes compressive stress in implant, often occur that clamp-screw loosens, steel plate twisting and breaking, screw cutting femoral head and coxa vara, the complication such as hip rotation deformity, and the scope of application is little, support, stability maintenance is poor, have a strong impact on the problem of therapeutic effect.
The blade plate of this band arc is applied widely, can for syntripsis, the fracture of femoral neck in all stable and unstability femoral intertrochanterics and fractura subtrochanterica, medial femoral square and lesser trochanter portion, effective reduction coxa vara, hip rotation, broken nail, disconnected plate risk, reduce complication to greatest extent, therapeutic effect is good, simple to operation, use safety, stable.
The above is preferred embodiment of the present invention, above-mentioned illustrating does not do any pro forma restriction to flesh and blood of the present invention, any simple modification that person of an ordinary skill in the technical field has done above detailed description of the invention according to technical spirit of the present invention after having read this description or distortion, and the technology contents of above-mentioned announcement may be utilized to be changed or be modified to the Equivalent embodiments of equivalent variations, all still belong in the scope of technical solution of the present invention, and do not deviate from the spirit and scope of the invention.
Claims (7)
1. a femur arc blade plate, comprises mainboard (1) and arc (2), it is characterized in that: arc (2) is produced on the side of mainboard (1), and mainboard (1) and arc (2) are connected to become an entirety by arc transition; The radian of mainboard (1) and arc (2) is consistent with the radian of femur upper segment and femoral trochanteric bony surface, mainboard (1) and arc (2) are manufactured with screw (4), screw (4) is circular, oval or circle rectangle, figure of eight structure, screw (4) one end in figure of eight structure is threaded lock hole, and the other end is not threaded screw; The external diameter of described screw is equal with internal diameter or unequal; The middle part of mainboard (1) or middle and lower part are manufactured with the mainboard grand arc (7) consistent with femur outer surface radian, and it is consistent with the arc outside femoral trochanteric to stick up arc tips (6) outside the mainboard on mainboard (1) top.
2. femur arc blade plate according to claim 1, is characterized in that: mainboard (1) and arc (2) have multiple concave arc with sclerotin phase veneer.
3. femur arc blade plate according to claim 1, is characterized in that: be manufactured with between the place of dividing a word with a hyphen at the end of a line of mainboard (1) and arc (2) and any two adjacent holes of arc (2) and wipe out groove (5).
4. femur arc blade plate according to claim 1, is characterized in that: mainboard (1) is consistent with the outer surface curved surface of femur (8) with the arcwall face that arc (2) forms.
5. femur arc blade plate according to claim 1, is characterized in that: the screw (4) that the nail put that the top of mainboard (1) makes enters femur (8) in neck of femur pulp cavity is oblique-shaped hole; What the upper and mainboard (1) of arc (2) and the place of dividing a word with a hyphen at the end of a line of arc (2) made can put follows closely that in neck of femur pulp cavity, enter capital screw (4) be oblique-shaped hole, and the axis of above-mentioned oblique screw (4) becomes 10 ° ~ 75 ° angles with plate face.
6. femur arc blade plate according to claim 1, it is characterized in that: the screw on arc (2) can for one or more, screw can be the one in circular, oval or round rectangle, the figure of eight, or the screw of various shape depositing, screw can or out of plumb vertical with plate face.
7. femur arc blade plate according to claim 1, it is characterized in that: the oblique screw on mainboard (1) top can be more than two or two, " 8 " word screw can be one or more, and " 8 " word screw can point-blank or not point-blank; The both sides of mainboard can linearly or curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510505105.7A CN105193488A (en) | 2015-08-18 | 2015-08-18 | Arc-shaped steel plate for fixation of fracture of femur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510505105.7A CN105193488A (en) | 2015-08-18 | 2015-08-18 | Arc-shaped steel plate for fixation of fracture of femur |
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| Publication Number | Publication Date |
|---|---|
| CN105193488A true CN105193488A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510505105.7A Pending CN105193488A (en) | 2015-08-18 | 2015-08-18 | Arc-shaped steel plate for fixation of fracture of femur |
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| CN (1) | CN105193488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166456A (en) * | 2020-03-12 | 2020-05-19 | 尤凯 | Bone fracture plate |
| CN117653303A (en) * | 2023-12-15 | 2024-03-08 | 中国人民解放军总医院第四医学中心 | Internal fixing and reinforcing device for femur neck fracture triangle |
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| CN1832706A (en) * | 2003-05-30 | 2006-09-13 | 新特斯有限责任公司 | Bone plate |
| CN201098192Y (en) * | 2007-11-07 | 2008-08-13 | 张鹏 | Steel plate for department of orthopaedics |
| CN201422919Y (en) * | 2009-06-30 | 2010-03-17 | 曹培锋 | Anterolateral proximal femur locking steel plate |
| CN201861739U (en) * | 2010-11-19 | 2011-06-15 | 刘建 | Improved dynamic hip sliding screw plate fixation device |
| US8262709B1 (en) * | 2011-09-24 | 2012-09-11 | Powlan Roy Y | Device and method for femoral neck fracture fixation |
| CN103610494A (en) * | 2013-12-13 | 2014-03-05 | 李照文 | Bone fracture plate with arc-shaped plate |
| CN104224300A (en) * | 2014-10-10 | 2014-12-24 | 李照文 | Intertrochanteric arc-shaped bone fracture plate |
| CN204863440U (en) * | 2015-08-18 | 2015-12-16 | 李照文 | Thighbone arc coaptation board |
-
2015
- 2015-08-18 CN CN201510505105.7A patent/CN105193488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832706A (en) * | 2003-05-30 | 2006-09-13 | 新特斯有限责任公司 | Bone plate |
| CN201098192Y (en) * | 2007-11-07 | 2008-08-13 | 张鹏 | Steel plate for department of orthopaedics |
| CN201422919Y (en) * | 2009-06-30 | 2010-03-17 | 曹培锋 | Anterolateral proximal femur locking steel plate |
| CN201861739U (en) * | 2010-11-19 | 2011-06-15 | 刘建 | Improved dynamic hip sliding screw plate fixation device |
| US8262709B1 (en) * | 2011-09-24 | 2012-09-11 | Powlan Roy Y | Device and method for femoral neck fracture fixation |
| CN103610494A (en) * | 2013-12-13 | 2014-03-05 | 李照文 | Bone fracture plate with arc-shaped plate |
| CN104224300A (en) * | 2014-10-10 | 2014-12-24 | 李照文 | Intertrochanteric arc-shaped bone fracture plate |
| CN204863440U (en) * | 2015-08-18 | 2015-12-16 | 李照文 | Thighbone arc coaptation board |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166456A (en) * | 2020-03-12 | 2020-05-19 | 尤凯 | Bone fracture plate |
| CN117653303A (en) * | 2023-12-15 | 2024-03-08 | 中国人民解放军总医院第四医学中心 | Internal fixing and reinforcing device for femur neck fracture triangle |
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