CN201404281Y - Double-locking arch-shaped tooth-type broken bone armor plate - Google Patents
Double-locking arch-shaped tooth-type broken bone armor plate Download PDFInfo
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- CN201404281Y CN201404281Y CN2009200137032U CN200920013703U CN201404281Y CN 201404281 Y CN201404281 Y CN 201404281Y CN 2009200137032 U CN2009200137032 U CN 2009200137032U CN 200920013703 U CN200920013703 U CN 200920013703U CN 201404281 Y CN201404281 Y CN 201404281Y
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Abstract
The utility model relates to a double-locking arch-shaped tooth-type broken bone armor plate, which comprises an arch-shaped base plate, and strengthening beams are symmetrically arranged on both sides of the arch-shaped base plate, sharp teeth are distributed on the strengthening beams, and nail holes are uniformly distributed on the arch-shaped position. The utility model is technically characterized in that the sharp teeth corresponding to the nail holes are symmetrically arranged on the strengthening beams, and notches are symmetrically arranged on the edge of the arch-shaped base plate between two adjacent nail holes. Due to the arrangement of the symmetric structures of the threaded nail holes and the sharp teeth and the symmetrically arranged notch structures, the sharp teeth lockedsymmetrically at both sides of the threaded nail holes can enhance the strength of the weak areas of the nail holes, symmetry strength between the hole and the tooth is relatively reduced, and thereby, the eccentric stress is eliminated, which is favorable for axial stress, the stress shelter effect is relieved, the anatomy fixation effect is achieved, fracture anatomy healing is accelerated, delayed fracture healing, nonunion and refracture are prevented, and fracture sequelae is eliminated.
Description
Technical field
This utility model belongs to technical field of medical instruments, and the novel twin-lock that specifically a kind of human fracture of treatment uses is decided the tooth-like pressurization synthetism of arch form steel plate.
Background technology
In recent years, domestic, be used for the treatment of the synthetism steel plate of partes corporis humani position fracture abroad, be still the planar synthetism steel plate of single structure, fix by screw merely, only play the bridging connection, do not play fixation, its shortcoming is:
1. various planar synthetism steel plates, each pitch-row is too short, and the arm of force is long relatively, and the nail hole is too much, excessive.Nonreactive folding, bending resistance, anti-twist, antiskid moving, anti-shearing force, anti-interface mechanics, alternate stresses such as nonreactive mechanical stress concentration are learned designing requirement, easily form stress concentration, quicken the fatigue fracture of synthetism steel plate implants.
2. by multiple screws, steel plate does not play fixation to plane synthetism steel plate merely, only play to connect bridging effect, particularly LCP locking steel plate, and be that unsettled posture is fixed by screw in the time of fixedly, because the effect of interface mechanics, when the muscle work done, steel plate slides.Stress concentration causes nail interface, hole cortical bone pressurized necrosis on screw, absorption, pine change, nail hole enlarge, and easily produces nail pulling, bends nail, takes off nail, rolls over nail, and steel plate displacement, fracture dislocation, fracture delayed union or disunion, nail-plate rupture refracture.Even union of fracture also can bring very big difficulty when getting nail-plate, must be with the destructive cut-out of nail-plate, reuse can take out after a few hours, caused very big misery to doctors and patients.
3. various plane synthetism steel plates, in order to prevent the fatigue fracture of synthetism steel plate postoperative, with synthetism steel plate pars intermedia widen, the two ends of thickening, plate narrow down, the so-called carboxylic type synthetism steel plate of attenuation.Its mechanical stress of this kind carboxylic type synthetism steel plate is more concentrated, stress point concentrates on the weak area in nail hole, has quickened the fatigue fracture of stress point porose area, and this kind steel plate fracture rate is the highest clinically, its reason is to have violated alternation mechanics structure Design, lacks the designing requirement as related discipline.
4. fixing on a side point of contact line on the skeleton of circle, form the component in each orientation, fracture fixation is not firm, easily produces fracture distortion, dislocation, becomes the angle, phenomenons such as overlapping, shortening, the separation of offside fracture face, easily causes refracture.
5. eccentricity is stressed, and no axial pressure easily produces stress-shielding effect, influences union of fracture.
6. traditional various plane synthetism steel plates, its structure is single, requirement on the no anatomy, no combined stress effect is to the anatomy fixation of can not fracturing, fracture can not get the anatomy healing, influenced the coordination function of skeleton and muscle group coupling, the biological function dislocation, the load dynamics is impaired, a series of fracture sequelaes such as function of joint is bad, in addition maimed; And traditional plane synthetism steel plate do not have alternate stress and learns structural requirement, the effect of no alternate stress uniform distribution, and stress is too concentrated, and stress point is concentrated on weak nail porose area, and the fatigue fracture of acceleration synthetism steel plate causes suffering to the patient.Give between the doctors and patients and bring a lot of unhappinesses, even cause dispute legally.
Summary of the invention
The purpose of this utility model provides that a kind of anti-folding that does not produce component, bending resistance, anti-twist, anti-rotation, antiskid are moving, anti-shearing force, anti-interface mechanics, anti-stress concentration, its intensity and various stress distribution are even, stress point shifts, and fatigue proof twin-lock is decided the tooth-like pressurization synthetism of arch form steel plate.It is applicable to the fracture at the various positions of human body, as treatments such as clavicle, scapula, breastbone, rib, humerus, radius and ulna, phalanges, calcaneus, hipbone, pubis, hipbone, femur, tibiofibula and each hinge area fracture.
The purpose of this utility model is achieved in that it includes the arch form substrate, buttress brace in the setting of arch form substrate lateral symmetry, on buttress brace, be distributed with pointed tooth, on the arch form position, be evenly distributed with the nail hole, it is characterized in that: be symmetrically arranged with and follow closely the corresponding pointed tooth in hole on buttress brace, the arch form substrate edge between adjacent two nail holes claims to be provided with recess.
As required, in order further to improve the installation strength of this utility model structure, the nail hole of the nail Kong Weiqi inner wall belt threaded line of then described arch form position.
In order to consider that anti-folding, bending resistance, anti-twist, anti-rotating machinery answer effects such as mechanics, then be pressurization nail hole near the set nail hole of fracture affected part.
Above-mentioned pointed tooth is square pointed tooth or round pointed tooth.
Therefore this utility model has following characteristics owing to adopt twin-lock to decide the tooth-like structure of arch form:
1, alternate stress is learned substrate: nail hole and pointed tooth symmetry, increase weak porose area intensity, and substrate dual-side symmetry recess reduces and respectively follows closely intensity between the hole; have anti-stress concentration, stress distribution is even, and stress point shifts; reduce synthetism steel plate fatigue, prevent the steel plate fracture, the healing on schedule of protection fracture.
2, alternate stress substrate, arch and buttress brace: power is surveyed, is had anti-folding, bending resistance, anti-twist, anti-rotating machinery and answers effects such as mechanics.
3, pointed tooth: have moving, anti-twist, the anti-rotation of locking antiskid, anti-shearing force, the effect of anti-interface mechanics iso-stress
4, arch form, arch ditch and pointed tooth: during this synthetism steel plate internal fixation; its pointed tooth point-like is nipped on the cortical bone; the gap that 2-4mm is arranged between the hone lamella; formed the arch form tunnel; do not oppress periosteum, cortical bone, blood vessel, ligament soft tissue etc., prevented the pressurized necrosis such as the bone that causes, blood vessel and soft tissue of interface mechanics, protected blood fortune; promotion bone and callus are grown in the tunnel and are creeped, and make fracture anatomy learn healing.
5, pointed tooth, nail hole: the cortical bone of nipping of pointed tooth point-like on screw fixation steel plate, the steel plate has prevented that the fine motion of invar plate from causing screw hole to become flexible and nail pulling, folding nail and disconnected plate etc.Both have mutual guarantor's effect finger, complement each other, and have increased stress and have protected fixation mutually.
6, form: the configuration (Fig. 2) that the synthetism steel plate is produced various skeletal anatomies is applicable to the requirement of various skeleton fracture anatomy internal fixation.The anatomy synthetism steel plate of various forms and the fracture site of various skeletons coupling put in place, reach the healing of anatomical fixation and anatomy.
Substrate, arch, beam, shape, ditch, tooth, drive screw, recess: this novel twin-lock is decided the tooth-like pressurization synthetism of arch form steel plate, and internal fixation puts in place, and its intensity is even, and stress distribution is even, has anti-stress concentration effect.The imperforate section of stress point alternation between each nail hole, be a plurality of triangle joints places, reduce synthetism steel plate fatigue, prolong the effect in implants life-span, behind the internal fixation, both sides pointed tooth locking steel plate and skeleton fracture fixation form the interweave mechanicalness of ground centration determinant of a plurality of trianglees, alternate stress will fracture two ends securely anatomy embrace together.Thereby: 1. eliminated eccentric force; 2. help axially loaded; 3. removed stress force shelter reaction; 4. reached the anatomy fixation; 5. quicken fracture anatomy and learned healing; 6. prevented fracture delayed union; Disunion or refracture; 7. eliminated fracture sequelae.
In sum, construction features of the present utility model is, the periosteum external fixation is not oppressed periosteum, cortical bone, blood vessel etc., and periosteum and cortical bone blood fortune are normal; The 2-4mm gap is arranged between plate and the bone, form the tunnel, easily bone tissue growth; Cortical bone does not have pine change, downright bad, absorption, moulding again under the plate; Pointed tooth centration combined stress on the steel plate is nipped in the cortical bone, and drive screw and drive screw hole have locked steel plate and fracture fixation; Mechanical test has anti-folding, bending resistance, anti-shearing force, moving, anti-twist, the anti-rotation of antiskid, anti-interface mechanics etc.; Nail hole lateral symmetry pointed tooth has increased the intensity of porose area; Set up the symmetry recess that reduces intensity between each hole tooth; Its intensity equalization, stress distribution is even, has anti-stress concentration effect; The imperforate section of stress point alternation between each hole, promptly a plurality of triangle joints place; Has the synthetism of minimizing steel plate fatigue, the effect that prolongs the implants life-span.
Description of drawings
Fig. 1 a is a femoral shaft synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 1 b is the vertical view of Fig. 1 a;
Fig. 2 a is the user mode stereochemical structure sketch of Fig. 1 a;
Fig. 2 b is the local structure for amplifying simplified schematic diagram of Fig. 2 a;
Fig. 3 is a clavicle clasp joint bone steel plate structure simplified schematic diagram of the present utility model;
Fig. 4 is a clavicle synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 5 a is a proximal humerus synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 5 b is Fig. 5 a right view;
Fig. 6 is a humerus stem grafting bone steel plate structure simplified schematic diagram of the present utility model;
Fig. 7 is a reconstruction type synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 8 is a distal humerus synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 9 a is a distal humerus outside synthetism steel plate structure simplified schematic diagram of the present utility model;
Fig. 9 b is Fig. 9 a right view;
Figure 10 is an olecroanon synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 11 is a radius and ulna synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 12 a is a distal radius dorsal side synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 12 b is Figure 12 a right view;
Figure 13 is a distal radius palmar side synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 14 is a reconstruction camber synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 15 is an acetabular bone synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 16 is a near end of thighbone outside synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 17 is a femoral shaft synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 18 a is a multiple wing type synthetism steel plate structure simplified schematic diagram on the condyle of femur of the present utility model;
Figure 18 b is Figure 18 a right view;
Figure 19 is a synthetism steel plate structure simplified schematic diagram on the condyle of femur of the present utility model;
Figure 20 a supports synthetism steel plate structure simplified schematic diagram on the condyle of femur of the present utility model;
Figure 20 b is Figure 20 a right view;
Figure 21 is the inboard synthetism steel plate structure of a distal femur of the present utility model simplified schematic diagram;
Figure 22 a is a tibia condyle portion of the present utility model inboard synthetism steel plate structure simplified schematic diagram;
Figure 22 b is Figure 22 a right view;
Figure 23 a is a tibia condyle portion of the present utility model inboard synthetism steel plate structure simplified schematic diagram;
Figure 23 b is Figure 23 a right view;
Figure 24 a is a tibia condyle of the present utility model portion outside synthetism steel plate structure simplified schematic diagram;
Figure 24 b is Figure 24 a right view;
Figure 25 is a tibia stem grafting bone steel plate structure simplified schematic diagram of the present utility model;
Figure 26 is a distal tibial outside synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 27 is a medial distal tibia synthetism steel plate structure simplified schematic diagram of the present utility model;
Figure 28 is a fibula stem grafting bone steel plate structure simplified schematic diagram of the present utility model;
Figure 29 is a distal fibular synthetism steel plate structure simplified schematic diagram of the present utility model;
This utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is this utility model example wherein; the rights protection scope of not representing this utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.
The specific embodiment
Example 1
Shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, among the figure 1 is the arch form substrate, the symmetric position of arch form substrate 1 both sides is provided with buttress brace 6, on the arch form position, be evenly distributed with drive screw hole 2, symmetric position on the arch form substrate both sides buttress brace 6 is provided with and drive screw hole 2 corresponding pointed tooths 3, and the arch form substrate edge of both sides claims to be provided with recess 4 between adjacent two nail holes.Described drive screw hole 2 is the nail hole of inner wall belt threaded line 8, and is pressurization nail hole 5 near the set nail hole of fracture affected part.In addition, 7 among the figure is drive screw, and 9 among Fig. 2 a is the femur of human body.
Alternate stress point X as shown in Figure 1a is located at the imperforate section between each drive screw hole 2, be a plurality of triangle joints places, reduce synthetism steel plate fatigue, prolong the effect in implants life-span, behind the internal fixation, both sides pointed tooth locking steel plate and skeleton fracture fixation, form a plurality of triangle stress structure Y, the interweave mechanicalness of ground centration determinant of a plurality of trianglees that form, alternate stress will fracture two ends securely anatomy embrace together, make the pointed tooth of drive screw hole lateral symmetry locking can strengthen the intensity of nail hole weak area, described symmetry notch configuration reduces each hole relatively, symmetry intensity between the tooth.
The installation of this structure and use are identical with traditional synthetism steel plate.
Example 2
Fig. 3 is a clavicle clasp joint bone steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 301, drive screw hole 302, pointed tooth 303, recess 304, buttress brace 305; Other is then identical with example 1.
Example 3
Fig. 4 is a clavicle synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 401, drive screw hole 402, pointed tooth 403, recess 404, buttress brace 405; Other is then identical with example 1.
Example 4
Fig. 5 a is a proximal humerus synthetism steel plate structure simplified schematic diagram, and Fig. 5 b is Fig. 5 a right view; Figure number among its figure is: arch form substrate 501, drive screw hole 502, pointed tooth 503, recess 504, buttress brace 505; Other is then identical with example 1.
Example 5
Fig. 6 is a humerus stem grafting bone steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 601, drive screw hole 602, pointed tooth 603, recess 604, buttress brace 605; Other is then identical with example 1.
Example 6
Fig. 7 is a reconstruction type synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 701, drive screw hole 702, pointed tooth 703, recess 704, buttress brace 705; Other is then identical with example 1.
Example 7
Fig. 8 is a distal humerus synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 801, drive screw hole 802, pointed tooth 803, recess 804, buttress brace 805; Other is then identical with example 1.
Example 8
Fig. 9 a is a distal humerus outside synthetism steel plate structure simplified schematic diagram, and Fig. 9 b is Fig. 9 a right view; Figure number among its figure is: arch form substrate 901, drive screw hole 902, pointed tooth 903, recess 904, buttress brace 905; Other is identical with example 1.
Example 9
Figure 10 is an olecroanon synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 101, drive screw hole 102, pointed tooth 103, recess 104, buttress brace 105; Other is identical with example 1.
Example 10
Figure 11 is a radius and ulna synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 111, drive screw hole 112, pointed tooth 113, recess 114, buttress brace 115; Other is identical with example 1.
Example 11
Figure 12 a is a distal radius dorsal side synthetism steel plate structure simplified schematic diagram, and Figure 12 b is Figure 12 a right view, and the figure number among its figure is: arch form substrate 121, drive screw hole 122, pointed tooth 123, recess 124, buttress brace 125; Other is identical with example 1.
Example 12
Figure 13 is a distal radius palmar side synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 131, drive screw hole 132, pointed tooth 133, recess 134, buttress brace 135; Other is identical with example 1.
Example 13
Figure 14 is for rebuilding camber synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 141, drive screw hole 142, pointed tooth 143, recess 144, buttress brace 145; Other is identical with example 1.
Example 14
Figure 15 is an acetabular bone synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 151, drive screw hole 152, pointed tooth 153, recess 154, buttress brace 155; Other is identical with example 1.
Example 15
Figure 16 is a near end of thighbone outside synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 161, drive screw hole 162, pointed tooth 163, recess 164, buttress brace 165; Other is identical with example 1.
Example 16
Figure 17 is a femoral shaft synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 171, drive screw hole 172, pointed tooth 173, recess 174, buttress brace 175; Other is identical with example 1.
Example 17
Figure 18 a is a multiple wing type synthetism steel plate structure simplified schematic diagram on the condyle of femur, and Figure 18 b is Figure 18 a right view; Figure number among its figure is: arch form substrate 181, drive screw hole 182, pointed tooth 183, recess 184, buttress brace 185; Other is identical with example 1.
Example 18
Figure 19 is a synthetism steel plate structure simplified schematic diagram on the condyle of femur; Figure number among its figure is: arch form substrate 191, drive screw hole 192, pointed tooth 193, recess 194, buttress brace 195; Other is identical with example 1.
Example 19
Figure 20 a supports synthetism steel plate structure simplified schematic diagram on the condyle of femur, Figure 20 b is Figure 20 a right view; Figure number among its figure is: arch form substrate 201, drive screw hole 202, pointed tooth 203, recess 204, buttress brace 205; Other is identical with example 1.
Example 20
Figure 21 is the inboard synthetism steel plate structure of a distal femur simplified schematic diagram, and the figure number among its figure is: arch form substrate 211, drive screw hole 212, pointed tooth 213, recess 214, buttress brace 215; Other is identical with example 1.
Example 21
Figure 22 a is a tibia condyle portion inboard synthetism steel plate structure simplified schematic diagram, and Figure 22 b is Figure 22 a right view; Figure number among its figure is: arch form substrate 221, drive screw hole 222, pointed tooth 223, recess 224, buttress brace 225; Other is identical with example 1.
Example 22
Figure 23 a is a tibia condyle portion inboard synthetism steel plate structure simplified schematic diagram, and Figure 23 b is Figure 23 a right view; Figure number among its figure is: arch form substrate 231, drive screw hole 232, pointed tooth 233, recess 234, buttress brace 235; And other is identical with example 1.
Example 23
Figure 24 a is a tibia condyle portion outside synthetism steel plate structure simplified schematic diagram, and Figure 24 b is Figure 24 a right view; Figure number among its figure is: arch form substrate 241, drive screw hole 242, pointed tooth 243, recess 244, buttress brace 245; And other is identical with example 1.
Example 24
Figure 25 is a tibia stem grafting bone steel plate structure simplified schematic diagram, and the figure number among its figure is: arch form substrate 251, drive screw hole 252, pointed tooth 253, recess 254, buttress brace 255; And other is identical with example 1.
Example 25
Figure 26 is a distal tibial outside synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 261, drive screw hole 262, pointed tooth 263, recess 264, buttress brace 265; And other is identical with example 1.
Example 26
Figure 27 is a medial distal tibia synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 271, drive screw hole 272, pointed tooth 273, recess 274, buttress brace 275; And other is identical with example 1.
Example 27
Figure 28 is a fibula stem grafting bone steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 281, drive screw hole 282, pointed tooth 283, recess 284, buttress brace 285; And other is identical with example 1.
Example 28
Figure 29 is a distal fibular synthetism steel plate structure simplified schematic diagram; Figure number among its figure is: arch form substrate 291, drive screw hole 292, pointed tooth 293, recess 294, buttress brace 295; Other is then identical with example 1.
Claims (4)
1, a kind of twin-lock is decided the tooth-like pressurization synthetism of arch form steel plate, it includes the arch form substrate, buttress brace in the setting of arch form substrate lateral symmetry, on buttress brace, be distributed with pointed tooth, on the arch form position, be evenly distributed with the nail hole, it is characterized in that: be symmetrically arranged with and follow closely the corresponding pointed tooth in hole on buttress brace, the arch form substrate edge between adjacent two nail holes is symmetrically arranged with recess.
2, twin-lock according to claim 1 is decided the tooth-like pressurization synthetism of arch form steel plate, it is characterized in that: the nail hole of the nail Kong Weiqi inner wall belt threaded line of described arch form position.
3, twin-lock according to claim 1 is decided the tooth-like pressurization synthetism of arch form steel plate, it is characterized in that: the nail hole set near the fracture affected part is pressurization nail hole.
4, twin-lock according to claim 1 is decided the tooth-like pressurization synthetism of arch form steel plate, it is characterized in that: pointed tooth is square pointed tooth or round pointed tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200137032U CN201404281Y (en) | 2009-05-15 | 2009-05-15 | Double-locking arch-shaped tooth-type broken bone armor plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200137032U CN201404281Y (en) | 2009-05-15 | 2009-05-15 | Double-locking arch-shaped tooth-type broken bone armor plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201404281Y true CN201404281Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200137032U Expired - Lifetime CN201404281Y (en) | 2009-05-15 | 2009-05-15 | Double-locking arch-shaped tooth-type broken bone armor plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN201404281Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037911A (en) * | 2016-05-19 | 2016-10-26 | 河北省沧州中西医结合医院 | Hook-shaped steel plate |
| CN107693101A (en) * | 2017-09-28 | 2018-02-16 | 山东威高骨科材料股份有限公司 | Skeletal fixation device |
| CN109171935A (en) * | 2018-10-15 | 2019-01-11 | 济南大学 | Magnesium alloy fracture of tibia bone plate |
-
2009
- 2009-05-15 CN CN2009200137032U patent/CN201404281Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037911A (en) * | 2016-05-19 | 2016-10-26 | 河北省沧州中西医结合医院 | Hook-shaped steel plate |
| CN107693101A (en) * | 2017-09-28 | 2018-02-16 | 山东威高骨科材料股份有限公司 | Skeletal fixation device |
| CN109171935A (en) * | 2018-10-15 | 2019-01-11 | 济南大学 | Magnesium alloy fracture of tibia bone plate |
| CN109171935B (en) * | 2018-10-15 | 2024-03-22 | 济南大学 | Magnesium alloy tibia fracture bone fracture plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
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| CX01 | Expiry of patent term |