CN101797178A - Locking bone fracture plate for far back outer side of humerus - Google Patents
Locking bone fracture plate for far back outer side of humerus Download PDFInfo
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- CN101797178A CN101797178A CN 201010130947 CN201010130947A CN101797178A CN 101797178 A CN101797178 A CN 101797178A CN 201010130947 CN201010130947 CN 201010130947 CN 201010130947 A CN201010130947 A CN 201010130947A CN 101797178 A CN101797178 A CN 101797178A
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Abstract
The invention relates to a locking bone fracture plate for the far back outer side of humerus, which is a locking bone fracture plate for the far end of the humerus mainly used for treating humeral condylar fracture and fracture of humeral shaft, wherein a short steel plate can also be used for conveniently treating the humeral condylar fracture. The steel plate comprises a head and a body and is divided into a left part and a right part. The head of the steel plate is slightly wider than the body; the shape of the body of the steel plate is straight; the shape of the head of the steel plate rotates to the oblique edge of the head edge from the body; when the shape of the head rotates to the end, the plane of the steel plate rotates about 90 DEG; when the steel plate is used in the shape, the body of the steel plate is attached to the shaft of the humerus and the head of the steel plate is attached to the back side and the outer side of the condyle of the humerus; the head of the steel plate is provided with eight bolt holes, wherein bolts on the first hole, the second hole and the third hole can penetrate through the condyle of the humerus.
Description
Technical field
The present invention relates to a kind of orthopaedics internal fixation blade plate, be used for treating the locking bone fracture plate for far back outer side of humerus of fracture of humeral condyle and fracture of humeral condyle merging humeral shaft fracture specifically.
Technical background
Wide and flat fan of condyle of humerus likeness in form of people, so the condyle of humerus of this shape is owing to flat approaching fractured easily, and the fracture of humeral condyle kind is more, for example: intercondylar fracture of the humerus (seeing fracture line A among Fig. 1), supracondylar fracture of the humerus (seeing fracture line B among Fig. 1) and intercondylar fracture of the humerus merge supracondylar fracture of the humerus and (are called intercondylar fracture clinically, and this fracture is more common), in addition, also usually run into fracture of humeral condyle clinically and merge humeral shaft fracture.
For many years, most hospitals adopt Y shape steel plate (see figure 2) to treat fracture of humeral condyle.English " Y " word of this steel plate likeness in form is called Y shape plate clinically.This steel plate was once brought into play historical action, also cured many patients, but propelling and development of technology along with the time, find that clinically there is following defective in Y shape plate: 1) wound is big, according to statistics, fracture of humeral condyle is in the majority with the child, and the child is in growth and development stage, and is higher for the requirement that reduces wound.2) use inconvenience, the Y shape plate that producer provides all is dull and stereotyped basically, and when operation, doctor carries out moulding according to patient's skeleton situation oneself, and troublesome poeration prolongs operating time; 3) disconnected plate rate height, producer is moulding for the ease of doctor, generally adopts the material manufacture that intensity is little, hardness is low, therefore fractures easily.In addition, fracture merges supracondylar fracture between Y shape plate treatment condyle if adopt, and from mechanics, fracture line less stable between condyle is easy to generate the changing of the relative positions up and down, influences the speed of union of fracture.Long-term disunion has the changing of the relative positions up and down again, and the time once long steel plate fatigue break takes place easily.
The someone had designed distal humerus outside steel plate D shown in Figure 3 and two kinds of locking bone fracture plates of the inboard steel plate C of distal humerus in recent years.Find again clinically, wherein the distal humerus outside steel plate D comparison difficulty of performing the operation.Because people's condyle of humerus outer ledge is quite thin, width has only 3-4mm, and attaching also on such edge, fixation steel plate is quite difficult, be unfavorable for that the doctor operates, in addition, this steel plate is mainly used to treat fracture of humeral condyle, is difficult to treat fracture of humeral condyle and merges humeral shaft fracture.
Summary of the invention
The object of the present invention is to provide and a kind ofly can treat fracture of humeral condyle, can treat the locking bone fracture plate for far back outer side of humerus that fracture of humeral condyle merges humeral shaft fracture simultaneously again.
For achieving the above object, the present invention takes following technical scheme:
A kind of locking bone fracture plate for far back outer side of humerus, it comprises head and body, and described head and body are structure as a whole, and described body is a board-type, and head is extended in the body upper end, and head slightly is wider than body; Described head is an axle with the body centrage, to the lopsidedness spiral rotation of the distal humerus outside of blade plate; The bias of head and centrage is 25～30mm, and the plane, termination of described head is perpendicular to the plane of steel plate body.The steel plate of this shape, when body was attached to the rear side that humerus does, head just in time can stably be attached to the rear side and the outside of condyle of humerus specific region.The present invention not only can treat multiple fracture of humeral condyle, can also treat fracture of humeral condyle and merge humeral shaft fracture.
Wide 13～the 14mm of described head, the wide 11～11.5mm of body.Described locking bone fracture plate for far back outer side of humerus divides left and right---and be the human body left arm with steel plate and right arm steel plate.Left and right side blade plate physical dimension is identical, and only head extends the incline direction difference, i.e. left-right symmetric in shape.
Described steel plate head is established 6～8 screw holes.They can straight line be arranged also can screw hole be triangular in shape arranges with first to the 3rd.Recommend the 1st to the 3rd the hole is triangular in shape to arrange, can linearly arrange when establishing 6 holes.
The hole is triangular in shape for described steel plate head the 1st to the 3rd when arranging, and the top begins to calculate from the head, and the 1st to the 5th screw hole is established the 2.7mm screw hole; The 3.5mm screw hole is established in the 6th hole; Seven, octal is established the combination bore that the 3.5mm lock hole combines with the pressurization hole.
The axis of described the 1st to the 3rd screw hole on the steel plate plane projection and angle α 1, α 2 and the α 3 in body vertical section be 90 °～95 °; Projection and described body planar angle β 1, β 2 and the β 3 of the axis of described the 1st to the 3rd screw hole on the cross section is 1 °～5 °.This design is extremely important, when clinical use, can guarantee that the screw on these several holes accurately passes fracture of humeral condyle line (see figure 6).It can play a big part to increasing stability and improving cure rate.The 4th direction to octal is substantially perpendicular to the incisal plane of its place steel plate position point.
Described body is provided with 3～12 screw holes, and described screw hole is the combination bore that the 3.5mm lock hole combines with the pressurization hole.The body hole count can establish 3,4 ... plurality of specifications such as 12, wherein hole count is few is mainly used in the treatment fracture of humeral condyle, and the treatment fracture of humeral condyle that is mainly used in that hole count is many merges humeral shaft fracture.
Described steel plate body is attached most importance to and is built steel plate, and promptly the steel plate both sides are provided with groove (groove is between each combination bore).Because steel plate is provided with groove, the anti-bending strength on its fore-and-aft plane weakens, and the doctor can do small moulding (distortion) according to the individual shapes of patient's humerus.The body termination is a wedge shape, can be Minimally Invasive Surgery condition is provided.
Advantage of the present invention and beneficial effect:
(1) this locking bone fracture plate for far back outer side of humerus, anatomical is good, facilitating operation.Because dried rear side of humerus and condyle of humerus rear side are more smooth, blade plate head of the present invention is attached to the dried rear side of humerus and the rear side and the outside of condyle of humerus in rotation parcel mode.The steel plate of shape not only attaches conveniently like this, good stability, and also the direction of each screw hole is substantially perpendicular to the cambered surface (it is just comparatively convenient to be screwed into screw like this in the art) of the steel plate of position point.
(2) this locking bone fracture plate for far back outer side of humerus, the dissection performance is good, rigidity is good, good stability, can improve cure rate.Especially first, second, third screw hole of apical head is triangular in shape arranges or the screw of first, second hole straight line on arranging can pass fracture line between common condyle of humerus condyle.It improves cure rate and plays a big part increasing stability.
(3) this locking bone fracture plate for far back outer side of humerus, head are provided with more screw hole, can treat polylith fracture or comminuted fracture.
(4) this locking bone fracture plate for far back outer side of humerus steel plate body is attached most importance to and is built shape steel plate (being to be provided with groove between the outside two lock holes of steel plate), and this steel plate can be done small moulding distortion in art, be suitable for treating the crowd that skeleton varies in size.
(5) this locking bone fracture plate for far back outer side of humerus has into angle stability.Can reduce once resets in the art loses when bearing a heavy burden with postoperative secondary and resets and lose.Theoretical and clinically prove that all locking steel plate can obviously improve cure rate than general steel plate.
(6) the driving screw hole of this locking bone fracture plate for far back outer side of humerus adapted screw head of a nail is the Flos Mume groove, and turning moment is big, is difficult for skidding.
Description of drawings
Fig. 1 is the position of condyle of humerus shape sketch map and common fracture line;
Fig. 2 is the application sketch map of prior art Y shape blade plate;
Fig. 3 is that the inboard lockplate of a kind of condyle of humerus of prior art and a kind of outside lockplate are used sketch map;
Fig. 4 and Fig. 5 are steel plate shape sketch map of the present invention;
Fig. 6 a and Fig. 6 b are the clinical use sketch map of locking bone fracture plate for far back outer side of humerus of the present invention;
Fig. 7 a, Fig. 7 b and Fig. 7 c look sketch map for outside lockplate three behind the distal humerus of the present invention.
The specific embodiment:
Shown in Fig. 4,5,6a, 6b and Fig. 7 a, 7b, 7c, a kind of locking bone fracture plate for far back outer side of humerus, it comprises head 1 and body 2, head 1 and body 2 are structure as a whole.Head 1 is wider than body 2.Body 2 is a board-type, described head 1 is to extend from body 2 upper ends, and be to be axle with the body centrage---the E one side spiral rotation in the outside behind distal humerus of limit extension edge, depart from, when about rotation during 1/4 week (when the top of steel plate head is basically perpendicular to the body of steel plate), the faceted rotation bias in steel plate head 1 top L (header planes is apart from the body centrage) reaches 25～30mm (seeing Fig. 7 b).Like this blade plate of shape in use, body can be attached to humerus and do, head 1 can be attached to the fan-shaped rear side and the outside of condyle of humerus.It is the anatomical shape that steel plate has the dried rear side of humerus, condyle of humerus rear side specific region and the condyle of humerus outside.
Described distal humerus locking bone fracture plate is divided into the left and right side blade plate according to being applied to human body left and right arms position difference.Identical, the left-right symmetric of the physical dimension of left and right sides blade plate, and the blade plate head is all to closing on the posterolateral lopsidedness rotation of distal humerus, shown in Fig. 7 b, it is to be axis with body 2 centrages, present embodiment head 1 is rotated counterclockwise to the right, this structure is the left side blade plate, otherwise, then be the right side blade plate.
Blade plate head 1 is provided with 8 screw holes, shown in Fig. 7 a, b, c.Triangular in shape arranging between first screw hole 11, second screw hole 12 and the 3rd screw hole 13 wherein; The screw hole direction of first screw hole 11, second screw hole 12 and the 3rd screw hole 13:
The projection of the axis of these three screw holes on the steel plate plane is 90 °～95 ° (vertical substantially) with angle (shown in Fig. 7 b) α 1, α 2, the α 3 in steel plate vertical section.The projection of the axis of these three screw holes on the cross section is 1 °～5 ° (substantially parallel) with the planar angle of steel plate (shown in Fig. 7 c) β 1, β 2, β 3.This structural design is extremely important clinically, and when clinical practice, the screw on this screw hole can substantially vertically pass fracture line (as shown in Figure 6) between the condyle of condyle of humerus.Under this situation, when tightening screw, can guarantee that fracture end does not slide, do not misplace, fixing reliable.Three triangular in shape arranging of screw hole of head can be improved the anti-rotation performance of fracture end, and can be fixed smashing little sclerite.In addition, the fixed form of steel plate on humerus is to do the condyle of humerus outside from humerus to carry out packaging type and fix, and makes stability increase, and all can play a big part to improving cure rate.
The direction of described head the 4th screw hole 14, the 5th screw hole 15, the 6th screw hole 16, the 7th screw hole 17 and the 8th screw hole 18 is all perpendicular to the tangent plane on (90 ° ± 3 °) screw hole place steel plate position.
Described head first to the 5th screw hole 11-15 is the 2.7mm screw hole.The 6th screw hole 16 is the 3.5mm screw hole.The 7th screw hole 17, the 8th screw hole 18 are the combination bore that 3.5mm lock hole and pressurization hole combine.
Described steel plate body 2 is established the lock hole of 3.5mm and the combination bore 21 that the pressurization hole combines.Steel plate body hole count has 3,4 ... plurality of specifications such as 12, wherein the steel plate that hole count is few is mainly used in the treatment fracture of humeral condyle, and the steel plate that hole count is many is mainly used in the treatment fracture of humeral condyle and merges humeral shaft fracture.
Described body 2 both sides are provided with groove 22, and groove 22 is between each combination bore 21, and promptly body 2 is a reconstruction plate, and in operation process, the doctor can do small moulding (distortion) according to the individual shapes of patient's humerus.The body tail end is a wedge shape 23, can be Minimally Invasive Surgery condition is provided.
Described steel plate head is provided with some temporary fixed holes 19.
Described steel plate body tail end is provided with 1 temporary fixed hole 24.
The present invention is that intercondylar fracture of the humerus (A among Fig. 1) merges supracondylar fracture of the humerus (seeing B among Fig. 1) as classification of fracture when clinical use, is called intercondylar fracture clinically.Use present technique and can treat T type fracture.
Blade plate of the present invention and humerus are done, condyle of humerus attaching property is good, be the packaging type design, and head first, second, third hole screw passes between the condyle of humerus condyle, from mechanics, not only can treat common fracture of humeral condyle, can treat simultaneously fracture of humeral condyle again and merge humeral shaft fracture, stability is better, and disconnected plate rate obviously reduces.
Claims (10)
1. locking bone fracture plate for far back outer side of humerus, it comprises head and body, and described head and body are structure as a whole, and it is characterized in that, and head is extended in described body upper end, and head is wider than body; Described body is a board-type, and described head is an axle with the body centrage, tilts and the spiral rotation to the distal humerus outside; The bias of head and centrage is 25～30mm, and the plane, termination of described head is perpendicular to the steel plate body facial planes.
2. locking bone fracture plate for far back outer side of humerus according to claim 1 is characterized in that, the wide 13～14mm of described head, the wide 11～11.5mm of body.
3. locking bone fracture plate for far back outer side of humerus according to claim 1 and 2 is characterized in that, described head is provided with 6～8 screw holes.
4. locking bone fracture plate for far back outer side of humerus according to claim 3 is characterized in that, 6～8 screw holes of described head, and wherein the 1st to the 3rd screw hole is triangular in shape arranges.
5. locking bone fracture plate for far back outer side of humerus according to claim 4 is characterized in that, the axis of described the 1st to the 3rd screw hole on described blade plate board plane projection and angle α 1, α 2 and the α 3 in body vertical section be 90 °～95 °; Projection and described body planar angle β 1, β 2 and the β 3 of described the 1st to the 3rd screw hole on the cross section is 1 °～5 °.
6. locking bone fracture plate for far back outer side of humerus according to claim 5 is characterized in that, described head the 1st to the 5th screw hole is the 2.7mm screw hole; The 6th screw hole is the 3.5mm screw hole; 7th, the 8th screw hole is the combination bore that 3.5mm lock hole and pressurization hole combine.
7. according to any described locking bone fracture plate for far back outer side of humerus in the claim 4 to 5, it is characterized in that described body is established 3～12 screw holes, described screw hole is the combination bore that lock hole combines with the pressurization hole.
8. locking bone fracture plate for far back outer side of humerus according to claim 7 is characterized in that described body is a reconstruction plate, and both sides are provided with groove, and groove is between two combination bore.
9. locking bone fracture plate for far back outer side of humerus according to claim 8 is characterized in that, described body end is a broad axe shape.
10. locking bone fracture plate for far back outer side of humerus according to claim 9 is characterized in that, steel plate head is provided with several temporary fixed holes, and afterbody is provided with 1 temporary fixed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101309476A CN101797178B (en) | 2010-03-22 | 2010-03-22 | Locking bone fracture plate for far back outer side of humerus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101309476A CN101797178B (en) | 2010-03-22 | 2010-03-22 | Locking bone fracture plate for far back outer side of humerus |
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| CN101797178A true CN101797178A (en) | 2010-08-11 |
| CN101797178B CN101797178B (en) | 2011-10-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525633A (en) * | 2012-01-20 | 2012-07-04 | 北京联合大学 | Clinical type bone plate for distal humeral fracture |
| CN104814784A (en) * | 2015-04-28 | 2015-08-05 | 丽水市中心医院 | Humeral far-end posterior-lateral double-column fixing and locking bone fixation plate |
| CN105266881A (en) * | 2015-11-27 | 2016-01-27 | 湛江中心人民医院 | Dissection type lock plate for comminuted fracture between upper humerus condyles |
| CN105796169A (en) * | 2016-05-11 | 2016-07-27 | 中国人民解放军第三〇七医院 | Humerus trailing edge torsion dissection steel plate |
| CN106473799A (en) * | 2016-11-30 | 2017-03-08 | 郭颖彬 | Fracture fixation part inside a kind of modified model scapula |
| CN108095814A (en) * | 2018-02-02 | 2018-06-01 | 上海凯利泰医疗科技股份有限公司 | Bone plate on the outside of a kind of distal humerus |
| CN109498138A (en) * | 2019-01-18 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Locking bone fracture plate for far back outer side of humerus |
| CN114938990A (en) * | 2022-07-06 | 2022-08-26 | 西安市红会医院 | Internal fixator for posterolateral fracture of tibial plateau |
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| CN1878508A (en) * | 2003-11-18 | 2006-12-13 | 辛迪思有限公司 | Osteosynthesis plate set |
| US20070043368A1 (en) * | 2005-07-25 | 2007-02-22 | Steven Lawrie | Distal humeral plate |
| CN201350107Y (en) * | 2009-02-10 | 2009-11-25 | 史可强 | Dissection steel plate for fixing anterior lateral side of middle humerus |
| CN201759659U (en) * | 2010-03-22 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Humeral distal posterolateral locking bone fracture plate |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878508A (en) * | 2003-11-18 | 2006-12-13 | 辛迪思有限公司 | Osteosynthesis plate set |
| US20070043368A1 (en) * | 2005-07-25 | 2007-02-22 | Steven Lawrie | Distal humeral plate |
| CN201350107Y (en) * | 2009-02-10 | 2009-11-25 | 史可强 | Dissection steel plate for fixing anterior lateral side of middle humerus |
| CN201759659U (en) * | 2010-03-22 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Humeral distal posterolateral locking bone fracture plate |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525633A (en) * | 2012-01-20 | 2012-07-04 | 北京联合大学 | Clinical type bone plate for distal humeral fracture |
| CN104814784A (en) * | 2015-04-28 | 2015-08-05 | 丽水市中心医院 | Humeral far-end posterior-lateral double-column fixing and locking bone fixation plate |
| CN105266881A (en) * | 2015-11-27 | 2016-01-27 | 湛江中心人民医院 | Dissection type lock plate for comminuted fracture between upper humerus condyles |
| CN105796169A (en) * | 2016-05-11 | 2016-07-27 | 中国人民解放军第三〇七医院 | Humerus trailing edge torsion dissection steel plate |
| CN106473799A (en) * | 2016-11-30 | 2017-03-08 | 郭颖彬 | Fracture fixation part inside a kind of modified model scapula |
| CN108095814A (en) * | 2018-02-02 | 2018-06-01 | 上海凯利泰医疗科技股份有限公司 | Bone plate on the outside of a kind of distal humerus |
| CN109498138A (en) * | 2019-01-18 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Locking bone fracture plate for far back outer side of humerus |
| CN114938990A (en) * | 2022-07-06 | 2022-08-26 | 西安市红会医院 | Internal fixator for posterolateral fracture of tibial plateau |
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