CN101773407A - Olecroanon locking proximal humerus plate - Google Patents
Olecroanon locking proximal humerus plate Download PDFInfo
- Publication number
- CN101773407A CN101773407A CN201010104343A CN201010104343A CN101773407A CN 101773407 A CN101773407 A CN 101773407A CN 201010104343 A CN201010104343 A CN 201010104343A CN 201010104343 A CN201010104343 A CN 201010104343A CN 101773407 A CN101773407 A CN 101773407A
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- Prior art keywords
- head
- olecroanon
- hole
- bone fracture
- locking bone
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- 210000002758 humerus Anatomy 0.000 title abstract 2
- 210000000623 ulna Anatomy 0.000 claims abstract description 14
- 208000010392 Bone Fractures Diseases 0.000 claims description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 238000005452 bending Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 230000016507 interphase Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 description 24
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000024779 Comminuted Fractures Diseases 0.000 description 2
- 208000006735 Periostitis Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000002221 olecranon process Anatomy 0.000 description 2
- 210000003460 periosteum Anatomy 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 208000017013 ulna fracture Diseases 0.000 description 1
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Abstract
The invention discloses an olecroanon locking proximal humerus plate, which is an integrated plate with a head part and a body part, wherein the head part comprises a face part and a vertex part, and the face part and the vertex part are bended into an angle of 104-115 degrees; the head part is provided with a group of locking holes; the body part is provided with a group of locking holes and pressurizing holes; an angle of inclination of the lower section and the upper section of the body part is 5-9 degrees; the vertex part of the head part is provided with a first locking hole and a second locking hole; a nape is arranged between the first locking hole and the second locking hole; the face part of the head part is provided with a group of thread locking holes and a group of small holes for temporary fixing; and the tail end of the body part is provided with 1-3 holes for temporary fixing. The locking plate can treat olecranal fracture and at the same time complicate fracture shaft ulna, has good olecroanon attach performance with human body, no need of shaping during clinical practice, is convenient for operation, has good stability, and can improve the treatment effect.
Description
Technical field
The present invention relates to a kind of orthopedic fixation device material, a kind of specifically a kind of internal fixation apparatus that is used for treating olecranal fracture and olecranal fracture merging fracture of ulnar shaft.
Background technology
People's proximal ulna likeness in form olecranon (see figure 1), the steel plate that will treat olecranal fracture traditionally is called the olecroanon steel plate.The fracture line 100 of olecroanon usually is in olecroanon middle part (see figure 1).From mechanics viewpoint, olecranal fracture is treated the comparison difficulty, and subject matter is the corner of fracture line at olecroanon, and stability maintenance is bad, all is the treatment difficult point for a long time.The seventies begins the someone and adopts spicule 101, steel wire 102 fixedly to treat olecranal fracture (seeing Fig. 2 a, Fig. 2 b), also has the poor slightly hospital of some medical conditions still to adopt this method so far.Polytype olecroanon blade plate has appearred in the nearly more than ten years, and more representational is Fig. 3, two kinds shown in Figure 4.Blade plate shown in Figure 3, its maximum characteristics are to have a series of groove between the both sides, each screw hole at steel plate, and the effect of groove is to be convenient to doctor do suitable moulding according to skeletal shape.Traditionally this blade plate that is provided with groove at width is called reconstruction plate.The reconstruction plate that is commercially available in early days is straight shape reconstruction plate, and during clinical practice, doctor oneself curves needed shape.Mostly that sees in the market is curved good angle shape reconstruction plate.This steel plate is not only bent pressing the olecroanon shape in shape in advance.Olecroanon blade plate shown in Figure 4, improve to some extent at vpg connection, Fig. 3 and olecroanon blade plate shown in Figure 4 are the new steel plates that occurred in recent years, the both is locking-typed steel plate, but still there are 2 deficiencies in they: a) the set hole count of steel plate head is on the low side, only be applicable to treatment olecroanon Fracture Simple, be unsuitable for treating polylith fracture or comminuted fracture.B) the steel plate body is straight shape, in fact ulna is done with olecroanon and is not on same the straight line, can't guarantee during use that olecroanon and ulna are done all correctly attaches to 1/3 simultaneously, and in other words, this olecroanon steel plate of two types is dissected performance on coronalplane bad.In addition, the patent No. is 200810079748.X, name is called: the patent of " tension side-fixing bone plate for olecranon process of ulna ", the ultimate principle of this patented technology are " the olecroanon tension side are fixed ", are in essence to rely on the frictional force between steel plate and the bone to realize fixed.The weak point of this scheme is that steel plate directly is pressed on the periosteum, can destroy quite a few blood confession during operation, thereby influence therapeutic effect, and another weak point is that the head hole count is on the low side, only is applicable to treatment olecroanon Fracture Simple.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can treat olecranal fracture, can treat the olecroanon locking bone fracture plate that merges fracture of ulnar shaft simultaneously again.
For achieving the above object, the present invention takes following design:
A kind of olecroanon locking bone fracture plate, for having the one plate of head and body, described head includes women's head-ornaments portion and head, and bending to the angle between this women's head-ornaments portion and the head mutually is 104 °～115 °; The head of described locking bone fracture plate is provided with one group of lock hole, and body is provided with one group of lock hole and pressurization hole, and the hypomere of body and the epimere of body are provided with the angle of inclination.
On the head of head, be provided with first, second two lock holes, be provided with neck between this first, second lock hole.
Women's head-ornaments portion at head is provided with one group of thread lock hole; And also be provided with one group of temporary fixed aperture of using; Be provided with 1～3 temporary fixed aperture of using at the body tail end.
Described locking bone fracture plate, the hypomere of steel plate body tilts with respect to the body epimere, steel plate body subordinate section tilts beginning portion corresponding to epimere in the human body ulna, by 2/3 place of near-end to distal direction, the angle of inclination is 5 °～9 °.
Described body is provided with 2～10 screw holes, and wherein 2～3 screw holes of afterbody are thread lock holes; All the other screw holes be the button hole and (or) the locking nail hole, both interphase distributions.
Advantage of the present invention is:
1, the head of this olecroanon locking bone fracture plate steel plate and body are provided with 104 °～115 ° angle, and the transition arc radius of angle is 10～14mm.So the steel plate head of design and human body olecroanon attaching performance is good, has anatomical.
2, than long steel plate, the lower end of steel plate body is provided with 5 °～9 ° physiology drift angle with the upper end (containing the head that links to each other) of steel plate body.The steel plate of shape meets the shape facility of proximal ulna like this, need not be moulding when clinical use, and attaching property is good, easy to operate; From mechanics viewpoint, good stability can improve therapeutic effect on the other hand.
3, but this olecroanon locking bone fracture plate head is provided with the thread lock hole of 10 of one group of as many as, hole count is many, and the range of choice is wide, can either treat dried polylith fracture of olecroanon and ulna or comminuted fracture, can treat olecranal fracture again, as long as select several holes wherein.
4, olecroanon locking bone fracture plate head is provided with one group of temporary fixed aperture, can use the temporary fixed steel plate of Kirschner wire during operation, makes the steel plate fixed position accurate.
5, be provided with neck between two lock holes of first, second of olecroanon locking bone fracture plate head, can come conveniently for surgical band.
6, the direction in this olecroanon locking bone fracture plate screwing hole is reasonable in design, makes the reliability of fixation height.
7, the tail end of described olecroanon locking bone fracture plate body is seen to body by steel plate head for falling trapezoid broad axe shape, and steel plate tail end shape is by wide gradually narrow, and thickness is by thick gradually thin.Cut less otch in the operation and just can insert steel plate, operation wound is little, and post-operative recovery is fast.
8, described olecroanon locking bone fracture plate belongs to locking-typed blade plate, the lock screw direction that locking steel plate is screwed into is fixed, when being screwed into or postoperative when movable direction can not change, Here it is, and said clinically lockplate can avoid once resetting loses to reset with secondary and lose.As seen, locking-typed blade plate has into angle stability, can obviously improve cure rate.In addition, the body of described steel plate also is provided with the pressurization hole except that being provided with lock hole.If operation needs, can also use ball screw and the fracture line ulna done by the pressurization hole pressurizes.
In a word, described olecroanon locking bone fracture plate not only operation technique is convenient, also can improve cure rate.
Description of drawings
Fig. 1 is general human body proximal ulna shape and common fracture line position view.
(a is the forward view to Fig. 2 for the method sketch map of early treatment's olecranal fracture; B is the side direction view).
(a is the forward view to a kind of olecroanon blade plate structural representation that Fig. 3 adopts for prior art; B is the side direction view).
Another olecroanon blade plate structural representation that Fig. 4 adopts for prior art.
Fig. 5 is that (a is the forward view to olecroanon locking bone fracture plate structural representation of the present invention; B is the side direction view)
Structural representation when Fig. 6 uses for the olecroanon locking bone fracture plate (being screwed into screw, the direction signal of screwed hole).
Below in conjunction with drawings and the specific embodiments the present invention is described in further details:
The specific embodiment
Consult shown in Fig. 5 a, Fig. 5 b, olecroanon locking bone fracture plate of the present invention is that (following narration claims directly that then this plate is a steel plate to the one plate with head 10 and body 20, also other are suitable for use as the sheet material of internal fixation apparatus material), described head includes women's head-ornaments portion and head, and bending to angle β between this women's head-ornaments portion and the head mutually is 104 °～115 °; The head of described locking bone fracture plate is facial to be equipped with one group of lock hole with head.Body comprises body epimere and body hypomere, and body epimere and body hypomere are equipped with one group of lock hole and pressurization hole, and the hypomere of body and the epimere of body are provided with 5 °～9 ° inclined angle alpha.
The angle β that is provided with between the women's head-ornaments portion of described steel plate and the head be 108 °～111 ° preferable, the arc radius R of bending part is 10～14mm, referring to Fig. 5 b, the steel plate head of this angle can well be attached on the olecroanon.
Referring to Fig. 5 a, the head of conventional steel plate is provided with 2 lock holes 11,12 (to the definition of body direction, being followed successively by first, second lock hole by the top), between first, second two lock holes, be provided with neck 30, among the embodiment shown in the figure, the neck neck breadth is 4-7mm, and thickness is 1-1.5mm.Neck be arranged so that this location plate shaping, if do not need first hole in the operation, available shears is cut; If shape not too meets, can do suitable bending.The women's head-ornaments portion of the steel plate broad (head is wider than in women's head-ornaments portion, also is wider than body) that compares in addition.
Be provided with one group of (general 4～8 can be satisfied instructions for use) thread lock hole in steel plate head and women's head-ornaments portion.This group is 6 thread lock holes 13,14,15,16,17 and 18 in the diagram illustrated embodiment.
Described steel plate body is provided with 2～10 screw holes (being 8 screw holes among the embodiment shown in Fig. 5 a).In the middle of them can be the thread lock hole, also can be the pressurization hole, can also be the combination bore that lock hole combines with the pressurization hole.If do not adopt combination bore, 2～3 screw holes of afterbody should be the thread lock holes, and all the other screw holes are good with thread lock hole 22 with button hole 21 interphase distributions.General screw hole spacing is taken as 10～15mm and gets final product.
Below be some empirical values according to the experiment gained:
The relation table of relative coupling between the hole count N of steel plate body and the total length L of steel plate:
| Hole count N | 2 holes | 4 holes | 6 holes | 8 |
10 holes |
| Length overall L | ??77mm | ??103mm | ??129mm | ??156mm | ??180mm |
The hole count N of steel plate is meant 2～10 screw hole counts of above-mentioned body; L is the length overall of steel plate, i.e. the straight length of steel plate body.It is only for reference, singly is not limited to this.
During the described scheme clinical practice of table, the olecroanon locking bone fracture plate of 2 holes and 4 hole gauge lattice is mainly used in olecranal fracture in the employing; The olecroanon locking bone fracture plate of 6～10 hole gauge lattice is used for olecroanon and merges fracture of ulnar shaft.
It is 5 °～9 ° that the epimere of the relative body of hypomere of described locking bone fracture plate body is provided with inclined angle alpha, the initial point position of its inclination: corresponding to epimere in the human body ulna, by 2/3 place (A point position in Fig. 5 a) of near-end to distal direction.This is according to the characteristics of human body and particular design.The olecroanon blade plate of this shape can guarantee that steel plate head and body all can well be attached to olecroanon and ulna and do.Among the embodiment shown in the figure, from beginning below the 3rd hole of body to tilt.
Shown in Fig. 5 a, Fig. 5 b, the tail end 25 of described locking bone fracture plate body is seen to body by steel plate head that for falling trapezoid broad axe shape steel plate tail end shape is by wide gradually narrow, and thickness is by thick gradually thin.It provides condition for Minimally Invasive Surgery: in the art, earlier in the perforate of olecroanon position, the tail end that again steel plate is had broad axe shape inserts in the hole, and is inserted into suitable position along the dried periosteum of subcutaneous ulna always.The wound of performing an operation like this is little, recovers fast.
Steel plate head be provided with one group temporary fixed be aperture 19 (6～9 get final product) about 2mm with diameter.Being provided with 1～3 diameter at steel plate body tail end is temporary fixed with aperture 23 about 2mm.The aperture of these temporary fixed usefulness can be used for operation during original state, with the temporary fixed steel plate of Kirschner wire, treats to extract Kirschner wire again after required use hole on all heads 10 and the body 20 is with corresponding nail pinning, is beneficial to the location quick and precisely of steel plate.
The screw hole of above-mentioned steel plate body is all being good perpendicular to the steel plate plane; Collude to returning in two holes of described steel plate head (two lock holes 11,12 in the present embodiment), and promptly the axis bearing of trend of two lock holes is asymptotic to locking bone fracture plate body plate face direction.Several holes above the women's head-ornaments portion (4 holes 13,14,15 and 16 in the present embodiment) are radial, two lock holes of these several Kong Buyu head are interfered, and the several holes (2 holes 17,18 in the present embodiment) below the women's head-ornaments portion should be good perpendicular to the steel plate plane then.It is proper that second hole of head and steel plate plane generally have 8 °～13 ° angle.The screw orientation in this hole just in time vertically passes common olecranal fracture line, can pressurize to fracture line, and for olecranal fracture, these two screw holes all need to use.The screw hole count that women's head-ornaments portion uses is determined according to the practical situation of fracture.
The shape of the lock hole that described steel plate is all is double end taper thread hole, and its cone angle is 20 °, and angle of thread is 60 °, and axial pitch is 0.4mm.
The screw of described steel plate adapted: be 3.5mm lock screw and 3.5mm ball screw, the drive hole of its screw head of a nail is a hexagonal hole in the Flos Mume groove, and the screw ailhead generally is provided with three self tapping grooves, can form mass production, also can be special-purpose autocratic.
About the olecroanon locking bone fracture plate divided, the main distinction was as follows: shown in Fig. 5 (a), be as the criterion with the centrage of olecroanon steel plate, steel plate body tail end is used for the left hand arm to right avertence, otherwise, be used for right arm.
The various embodiments described above can not depart from the scope of the present invention down in addition some variations, thus comprise in the above explanation and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit the protection domain of the present patent application patent.
Claims (10)
1. olecroanon locking bone fracture plate, for having the one steel plate of head and body, it is characterized in that: described head includes women's head-ornaments portion and head, bends to 104 °～115 ° angles between this women's head-ornaments portion and the head mutually; The head of described locking bone fracture plate is provided with one group of lock hole, and body is provided with one group of lock hole and pressurization hole, and the hypomere of body and the epimere of body are provided with the angle of inclination.
2. olecroanon locking bone fracture plate according to claim 1 is characterized in that: the arc radius R of bending part is 10～14mm between the women's head-ornaments portion of described steel plate and the head; Head is wider than in women's head-ornaments portion.
3. olecroanon locking bone fracture plate according to claim 1 is characterized in that: the head at head is provided with first, second two lock holes, is provided with neck between this first, second hole.
4. olecroanon locking bone fracture plate according to claim 3 is characterized in that: the women's head-ornaments portion at head is provided with one group of thread lock hole.
5. olecroanon locking bone fracture plate according to claim 1 is characterized in that: the women's head-ornaments portion at head is provided with one group of temporary fixed aperture of using; Be provided with 1～3 temporary fixed aperture of using at the body tail end.
6. olecroanon locking bone fracture plate according to claim 1, it is characterized in that: the hypomere of described locking bone fracture plate steel plate body tilts with respect to the body epimere, the initial point position of this inclination is corresponding to epimere in the human body ulna, by 2/3 place of near-end to distal direction, the angle of inclination is 5 °～9 °.
7. olecroanon locking bone fracture plate according to claim 1 is characterized in that: described body is provided with 2～10 screw holes, and wherein 2～3 screw holes of afterbody are thread lock holes; All the other screw holes are at least a in button hole and the locking nail hole, both interphase distributions; The axis normal of the screw hole on the described body is in the plate face of position.
8. olecroanon locking bone fracture plate according to claim 4, it is characterized in that: the axis bearing of trend of two lock holes of first, second of described head is asymptotic to locking bone fracture plate body plate face direction, in one group of hole of women's head-ornaments portion, the direction of top location hole is radial, does not interfere with first, second two lock holes of head; One of the position group of hole is perpendicular to the plate face of position below the women's head-ornaments portion.
9. olecroanon locking bone fracture plate according to claim 1 is characterized in that: the tail end of described locking bone fracture plate body is seen to body by steel plate head that for falling trapezoid broad axe shape steel plate tail end shape is by wide gradually narrow, and thickness is by thick gradually thin.
10. olecroanon locking bone fracture plate according to claim 1 is characterized in that: the lock hole on described head and the body is double end taper thread hole, and its cone angle is 20 °, and angle of thread is 60 °, and axial pitch is 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104343A CN101773407A (en) | 2010-02-01 | 2010-02-01 | Olecroanon locking proximal humerus plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104343A CN101773407A (en) | 2010-02-01 | 2010-02-01 | Olecroanon locking proximal humerus plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101773407A true CN101773407A (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010104343A Pending CN101773407A (en) | 2010-02-01 | 2010-02-01 | Olecroanon locking proximal humerus plate |
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| CN (1) | CN101773407A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835998A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Novel internally fixing and locking bone fracture plate for curing of humerus collum chirurgicum fractures |
| CN105832395A (en) * | 2015-01-29 | 2016-08-10 | 爱派司生技股份有限公司 | a fixed bone plate |
| CN106037913A (en) * | 2016-07-29 | 2016-10-26 | 鲍飞龙 | Ulna coracoid process anatomical locking plate |
| CN112587220A (en) * | 2020-12-30 | 2021-04-02 | 中国人民解放军总医院第四医学中心 | Fixing device for fracture surgery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080300637A1 (en) * | 2005-07-25 | 2008-12-04 | Smith & Nephew, Inc. | Systems and methods for using polyaxial plates |
| CN101406408A (en) * | 2008-11-13 | 2009-04-15 | 张英泽 | Tension side-fixing bone plate for olecranon process of ulna |
-
2010
- 2010-02-01 CN CN201010104343A patent/CN101773407A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080300637A1 (en) * | 2005-07-25 | 2008-12-04 | Smith & Nephew, Inc. | Systems and methods for using polyaxial plates |
| CN101406408A (en) * | 2008-11-13 | 2009-04-15 | 张英泽 | Tension side-fixing bone plate for olecranon process of ulna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835998A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Novel internally fixing and locking bone fracture plate for curing of humerus collum chirurgicum fractures |
| CN105832395A (en) * | 2015-01-29 | 2016-08-10 | 爱派司生技股份有限公司 | a fixed bone plate |
| CN106037913A (en) * | 2016-07-29 | 2016-10-26 | 鲍飞龙 | Ulna coracoid process anatomical locking plate |
| CN112587220A (en) * | 2020-12-30 | 2021-04-02 | 中国人民解放军总医院第四医学中心 | Fixing device for fracture surgery |
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Application publication date: 20100714 |