CN204092153U - Locking near end of thighbone blade plate nail system - Google Patents
Locking near end of thighbone blade plate nail system Download PDFInfo
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- CN204092153U CN204092153U CN201420478850.8U CN201420478850U CN204092153U CN 204092153 U CN204092153 U CN 204092153U CN 201420478850 U CN201420478850 U CN 201420478850U CN 204092153 U CN204092153 U CN 204092153U
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Abstract
This utility model relates to the locking near end of thighbone blade plate nail system that a kind of fractures uses, and comprises locking near end of thighbone blade plate, self-locking nail for collum femoris,hip, cancellous bone screw and lock screw; Wherein, described blade plate is made up of head and body, and head comprises four consistent self-locking nail for collum femoris,hip holes of axial inclination and femoral anteversion angle, collodiaphyseal angle and a cancellous bone screw hole, and a pressurization hole, the arrangement in " arrow " formula, body is made up of screw hole; Described blade plate longitudinally in indent arc and head face upward and meet femoral bone tuberosity lateral surface anatomical shape, to be attached to the lateral surface of near end of thighbone, meet the design of skeleton anatomical structure.This utility model can be fixed according to the selection many pieces of screws that need of patient, support force is stronger, self-locking nail for collum femoris,hip, cancellous bone screw can provide stronger fixing hold, and the cancellous bone screw be simultaneously screwed into can carry out rotation according to broken bone block to be fixed, and makes it have better clinical practice.
Description
Technical field
This utility model is applicable to human femur under loading fracture of cervical vertebra, femoral bone tuberosity or subtrochanteric fracture, belongs to medical apparatus and instruments.
Background technology
At present, fractured near end of thighbone fixes the external hip dynamic compression plate (DHS of many employings, Dynamic Hip Screw Plate) fixation steel plate, it is single shaft pressurization Fixed Design, axial restraint cross section relative narrower, stressed too concentrated, and once fixing, can not correct again, adjust, the little old people of being applicable to and sufferers of osteoporosis face use.And domesticly also have developed the multiple fixation steel plate being applicable to fractured near end of thighbone in recent years, the design of many employings lock screw multiaxis pressurization fixed structure, not only can form 3 D stereo to head and neck tuberosity to fix, stress is avoided to concentrate, increase anti-twisting property, and the convenient head and neck that controls of plate nail latch-up structure rotates and side displacement.But this kind of design still there will be that intensity deficiency, stability are good not, hold is strong, the defect such as cannot to fix to broken sclerite.Therefore, develop a kind of locking near end of thighbone bone plate system being applicable to fracture of femoral neck, femoral bone tuberosity or subtrochanteric fracture on this basis, will contribute to overcoming the deficiencies in the prior art, and reach better fixation for treatment effect.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, for human femur under loading fracture of cervical vertebra, femoral bone tuberosity or subtrochanteric fracture, there is provided one not only can form 3 D stereo to head and neck tuberosity to fix, stress is avoided to concentrate, the convenient head and neck that controls rotates and side displacement, and intensity is high, hold strong, can carry out the fixing locking near end of thighbone blade plate nail system of selectivity to broken bone block.
Technology solution of the present utility model is as follows:
Locking near end of thighbone blade plate nail system comprises locking near end of thighbone blade plate, self-locking nail for collum femoris,hip, cancellous bone screw and lock screw, wherein blade plate is made up of head and body, head comprises axial inclination and femoral anteversion angle, four self-locking nail for collum femoris,hip holes that collodiaphyseal angle is consistent and a cancellous bone screw hole, and a pressurization hole, the arrangement in " arrow " formula, body is made up of screw hole, described screw hole coordinates with lock screw, self-locking nail for collum femoris,hip hole coordinates with self-locking nail for collum femoris,hip, cancellous bone screw hole coordinates with cancellous bone screw.
Described blade plate longitudinally in indent arc and head face upward and meet femoral bone tuberosity lateral surface anatomical shape.
Described self-locking nail for collum femoris,hip hole is equal with blade plate body baseplane angle with the axis in cancellous bone screw hole, and angle is 125 ° ~ 140 °.
Described self-locking nail for collum femoris,hip hole is made up of taper thread hole and straight type counterbore, taper thread and self-locking nail for collum femoris,hip head of a nail screw thread are two-wire equal pitch thread, described screw hole is made up of taper thread hole and ball-type hole, and its taper thread and lock screw head of a nail screw thread are two-wire equal pitch thread.
Described self-locking nail for collum femoris,hip is half-thread hollow screw, and its screw thread is dark tooth widely-pitched screw thread, and top cap thread is shallow tooth narrow pitch screw thread.
Described pressurization hole is made up of the apical pore of kidney-shaped bottom outlet and dribbling arc, and described cancellous bone screw hole is made up of circular bottom outlet and circular arc apical pore.
The beneficial effects of the utility model are:
1, lock near end of thighbone bone plate system and adopt cancellous bone screw and self-locking nail for collum femoris,hip, this nail is half-thread hollow screw, its nail body screw thread is dark tooth widely-pitched screw thread, and this has better fixing hold to sufferers of osteoporosis face and boniness folded block fracture patient.
2, four self-locking nail for collum femoris,hip holes and a cancellous bone screw hole near end of thighbone blade plate head, the arrangement in " arrow " formula, make cancellous bone screw and self-locking nail for collum femoris,hip form 3 D stereo to fix, avoid stress to concentrate, add intensity, anti-twisting property and stability.
3, near end of thighbone blade plate adopts the design of skeleton anatomical structure, and blade plate, longitudinally in indent arc and the head shape of facing upward, can well be fitted with bone surface.
Accompanying drawing explanation
Fig. 1 is assembling using state schematic diagram of the present utility model;
Fig. 2 is locking near end of thighbone blade plate topology view;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 2;
Fig. 5 is the partial enlarged drawing of Fig. 3;
Fig. 6 is the B-B sectional view of Fig. 2;
Fig. 7 is self-locking nail for collum femoris,hip topology view, and wherein V is head of a nail screw thread partial enlarged drawing, and VI is nail body screw thread partial enlarged drawing;
Fig. 8 is cancellous bone screw topology view, and wherein IV is cancellous bone screw screw thread partial enlarged drawing;
Fig. 9 is lock screw topology view, and wherein II is head of a nail screw thread partial enlarged drawing, and III is the partial enlarged drawing of nail body screw thread;
Detailed description of the invention:
Below in conjunction with accompanying drawing, this utility model is further described; but never in any form this utility model is limited; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
See that Fig. 1 is assembling using state schematic diagram of the present utility model, comprise locking near end of thighbone blade plate (1), self-locking nail for collum femoris,hip (2), cancellous bone screw (3) and lock screw (4); The cancellous bone screw (3) be screwed into can carry out small angle rotation according to the position of broken bone block, thus fixing to its pressurization.
As shown in Figure 2 and Figure 3, blade plate (1) is made up of head (11) and body (12), head comprises four consistent self-locking nail for collum femoris,hip holes (111) of axial inclination and femoral anteversion angle, collodiaphyseal angle and a cancellous bone screw hole (112), and pressurization hole (113), the arrangement in " arrow " formula, body is made up of screw hole (121).
Described blade plate 1 longitudinally in indent arc and head face upward and meet femoral bone tuberosity lateral surface anatomical shape.
Described self-locking nail for collum femoris,hip hole (111) is equal with blade plate body (12) baseplane angle with the axis of cancellous bone screw hole (112), and angle is 125 ° ~ 140 °.
Described blade plate is Stainless Steel or pure titanium material.
Fig. 4 shows the cross section structure of blade plate (1) cervical region A-A, and arcuate structure adapts to surface of bone shape.Fig. 5 shows the topology view in self-locking nail for collum femoris,hip hole (111), is made up of taper thread hole and straight type counterbore, meets assembling instructions for use.Fig. 6 shows the topology view of pressurization hole (113), is made up of, plays slip pressurization in art the apical pore of kidney-shaped bottom outlet and band circular arc.
Fig. 7 is self-locking nail for collum femoris,hip topology view, is half-thread hollow screw, and its nail body screw thread is dark tooth widely-pitched screw thread, and top cap thread is shallow tooth narrow pitch screw thread.Fig. 8, Fig. 9 are respectively the topology view of cancellous bone screw and lock screw.
Using priciple of the present utility model and feature:
Locking near end of thighbone blade plate nail system using priciple: first put the rearmounted nail of plate, first blade plate is placed in the fracture site that human body has resetted, then with special equipment boring, be finally screwed into screw.First implant blade plate to be conducive to forming consistent anatomy relationship with femur, ensure the accuracy of femoral head neck; Four self-locking nail for collum femoris,hip holes of blade plate cervical region, a cancellous bone screw hole and a pressurization hole, the arrangement in " arrow " formula, implantable many pieces of screws, in art, choice is large, thus decreases the fault rate of operation.
The feature of locking near end of thighbone bone plate system: adopt cancellous bone screw and self-locking nail for collum femoris,hip, it is half-thread hollow screw, its nail body screw thread is dark tooth widely-pitched screw thread, and this has better fixing hold to sufferers of osteoporosis face and boniness folded block fracture patient.Four self-locking nail for collum femoris,hip holes, a cancellous bone screw hole and a pressurization hole on blade plate cervical region, pedicle screw can form 3 D stereo and fix, and avoids stress to concentrate, adds intensity, anti-twisting property and stability.Simultaneously near end of thighbone blade plate meets skeleton anatomy, in indent arc and the head shape of facing upward, can well fit with bone surface.
Claims (6)
1. a locking near end of thighbone blade plate nail system, comprise locking near end of thighbone blade plate (1), self-locking nail for collum femoris,hip (2), cancellous bone screw (3) and lock screw (4), described blade plate is made up of head (11) and body (12), head comprises axial inclination and femoral anteversion angle, four self-locking nail for collum femoris,hip holes (111) that collodiaphyseal angle is consistent, a cancellous bone screw hole (112) and pressurization hole (113), body is made up of screw hole (121), described screw hole (121) coordinates with lock screw (4), self-locking nail for collum femoris,hip hole (111) coordinates with self-locking nail for collum femoris,hip (2), cancellous bone screw (3) coordinates with cancellous bone screw hole (112), the cancellous bone screw (3) be screwed into can carry out low-angle rotation according to the position of broken bone block, blade plate described in it longitudinally in indent arc and head face upward and meet femoral bone tuberosity lateral surface anatomical shape.
2. locking near end of thighbone blade plate nail system according to claim 1, it is characterized in that: described self-locking nail for collum femoris,hip hole (111) is equal with blade plate body (12) baseplane angle with the axis of cancellous bone screw hole (112), and angle is 125 ° ~ 140 °.
3. locking near end of thighbone blade plate nail system according to claim 1 and 2, it is characterized in that: described self-locking nail for collum femoris,hip hole (111) is made up of taper thread hole and straight type counterbore, taper thread and self-locking nail for collum femoris,hip (2) head of a nail screw thread are two-wire equal pitch thread, described screw hole (121) is made up of taper thread hole and ball-type hole, and its taper thread and lock screw (4) head of a nail screw thread are two-wire equal pitch thread.
4. locking near end of thighbone blade plate nail system according to claim 1, is characterized in that: described self-locking nail for collum femoris,hip is half-thread hollow screw, and its nail body screw thread is dark tooth widely-pitched screw thread, and head of a nail screw thread is shallow tooth narrow pitch screw thread.
5. locking near end of thighbone blade plate nail system according to claim 1, it is characterized in that: described pressurization hole (113) is made up of the apical pore of kidney-shaped bottom outlet and dribbling arc, and described cancellous bone screw hole (112) is made up of circular bottom outlet and circular arc apical pore.
6. locking near end of thighbone blade plate nail system according to claim 1, it is characterized in that: four described self-locking nail for collum femoris,hip holes (111) and a cancellous bone screw hole (112), and pressurization hole (113), the arrangement in " arrow " formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478850.8U CN204092153U (en) | 2014-08-25 | 2014-08-25 | Locking near end of thighbone blade plate nail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478850.8U CN204092153U (en) | 2014-08-25 | 2014-08-25 | Locking near end of thighbone blade plate nail system |
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| Publication Number | Publication Date |
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| CN204092153U true CN204092153U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420478850.8U Active CN204092153U (en) | 2014-08-25 | 2014-08-25 | Locking near end of thighbone blade plate nail system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126251A (en) * | 2017-06-01 | 2017-09-05 | 江苏百易得医疗科技有限公司 | A kind of clavicle remote lock fixed board |
| CN108852493A (en) * | 2018-07-13 | 2018-11-23 | 王刚 | A kind of novel thighbone neck locked pressurized bone plate |
| CN109864810A (en) * | 2019-04-04 | 2019-06-11 | 苏州市康力骨科器械有限公司 | A kind of fractured near end of thighbone bone plate |
| CN111281516A (en) * | 2020-02-27 | 2020-06-16 | 天津市威曼生物材料有限公司 | Anatomical external fixation steel plate and fixation system for femoral neck fracture |
| CN112057154A (en) * | 2020-09-11 | 2020-12-11 | 天津市威曼生物材料有限公司 | Femoral internal fixation system |
| CN113648041A (en) * | 2021-02-02 | 2021-11-16 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113712654A (en) * | 2021-09-02 | 2021-11-30 | 中国人民解放军总医院第四医学中心 | Dynamic locking system for femoral neck |
-
2014
- 2014-08-25 CN CN201420478850.8U patent/CN204092153U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126251A (en) * | 2017-06-01 | 2017-09-05 | 江苏百易得医疗科技有限公司 | A kind of clavicle remote lock fixed board |
| CN108852493A (en) * | 2018-07-13 | 2018-11-23 | 王刚 | A kind of novel thighbone neck locked pressurized bone plate |
| CN108852493B (en) * | 2018-07-13 | 2023-07-14 | 湖州学院 | Novel femur neck locking and pressurizing bone fracture plate |
| CN109864810A (en) * | 2019-04-04 | 2019-06-11 | 苏州市康力骨科器械有限公司 | A kind of fractured near end of thighbone bone plate |
| CN109864810B (en) * | 2019-04-04 | 2024-02-09 | 苏州市康力骨科器械有限公司 | Bone fracture plate for proximal femur fracture |
| CN111281516A (en) * | 2020-02-27 | 2020-06-16 | 天津市威曼生物材料有限公司 | Anatomical external fixation steel plate and fixation system for femoral neck fracture |
| CN112057154A (en) * | 2020-09-11 | 2020-12-11 | 天津市威曼生物材料有限公司 | Femoral internal fixation system |
| CN112057154B (en) * | 2020-09-11 | 2022-02-18 | 天津市威曼生物材料有限公司 | Femoral internal fixation system |
| CN113648041A (en) * | 2021-02-02 | 2021-11-16 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113648041B (en) * | 2021-02-02 | 2023-03-10 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113712654A (en) * | 2021-09-02 | 2021-11-30 | 中国人民解放军总医院第四医学中心 | Dynamic locking system for femoral neck |
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| GR01 | Patent grant |