CN102370517B - Humerus greater tubercle anatomizing type locking steel plate - Google Patents
Humerus greater tubercle anatomizing type locking steel plate Download PDFInfo
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- CN102370517B CN102370517B CN201010256876.4A CN201010256876A CN102370517B CN 102370517 B CN102370517 B CN 102370517B CN 201010256876 A CN201010256876 A CN 201010256876A CN 102370517 B CN102370517 B CN 102370517B
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- steel plate
- combined hole
- extension arm
- humerus
- hole
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Abstract
The present invention relates to a kind of anatomical form locking steel plate being used for the treatment of fracture of greater tuberosity of the humerus, the combined hole of the covering of steel plate and medial and lateral extension arm and steel plate and extension arm is utilized to fix greater tubercle from multi-angle, decrease the possibility that greater tubercle is shifted again, be conducive to the primary healing of fracturing, the treatment for fracture of greater tuberosity of the humerus provides a kind of good stability, locking steel plate that intensity is high.
Description
Technical field
The present invention relates to a kind of medical instruments, particularly relate to a kind of locking steel plate for the treatment of fracture.
Background technology
As a part for humerus (humerus) fractured near end, greater tubercles of humerus (greattuberosity) fracture is very common, but compared with merging fracture of greater tuberosity of the humerus incidence rate, the fracture of greater tuberosity of the humerus proportion of single-shot is relatively less; Therefore fracture of greater tuberosity of the humerus usually gets the brush-off, and even most of orthopedist can think that the Diagnosis and Treat of fracture of greater tuberosity of the humerus is very simple, often treats according to the personal experience of oneself, thus causes to fail to pinpoint a disease in diagnosis and occur with the situation of prognosis mala.
There is numerous muscle attachments at fracture of greater tuberosity of the humerus position, comprises supraspinatus, infraspinatus and teres minor etc., due to the tractive of these muscle, sclerite may be caused to be shifted to different directions.The people such as Mclaughlin think that greater tubercle displacement fracture is greater than 5mm and will produces adverse consequences; The people such as Park thinks for the athlete and the heavy worker that often have excessive activity, if its greater tubercle displacement fracture just must reset more than 3mm in recent years.Because greater tubercle summit is positioned at about 6 ~ 8mm place under humerus articular surface summit, so after greater tubercle fracture, even if very little displacement also can affect the function of shoulder joint; The direction of greater tubercle displacement fracture is also highly paid attention in addition, if upward displacement subacromial impingement will occur.Therefore, the treatment of fracture of greater tuberosity of the humerus must draw attention.
Fracture of greater tuberosity of the humerus, clinically in the past based on manual reduction External fixation (conservative treatment), but due to the relation of anatomical factors, traditional method is difficult to reset; And the course for the treatment of is oversize, functional exercise of shoulder joints should not be carried out in early days, shoulder joint function often occur clinically and recovers incomplete, the complication such as long pain; Simultaneously heavier to degree of fracture patient, conservative treatment can not be suitable for.Therefore, the research of internal fixation operation Therapeutic Method becomes the focus for the treatment of fracture of greater tuberosity of the humerus, the internal fixation method of fracture of greater tuberosity of the humerus mainly comprises now stitching fixing (comprise suture anchor, tension band, treasure nation's line etc.) and screw (comprising Absorbable plate, lag screw etc.) is fixed, and the method successful is better than conservative treatment.
But along with clinical practice is extensive gradually, internal fixation operation Therapeutic Method post-operative complication is much, wherein topmost reason is that the greater tubercle that constant intensity causes not is shifted again, subacromial impingement is produced during abduction, thus Shoulder Function rehabilitation is suffered from impact, postoperative function is caused to recover limited and viability decline.People wish to have absolute stability and the enough fixing means of intensity fixes greater tubercle fracture, but up to the present, effective apparatus for internal fixation method treatment fracture of greater tuberosity of the humerus is still little, therefore, the implant of fracture of greater tuberosity of the humerus is used for the treatment of to adapt to clinical needs in the urgent need to development.
Summary of the invention
The invention provides a kind of humerus greater tubercle anatomizing type locking steel plate, this locking steel plate good stability, and there is enough intensity, the greater tubercles of humerus of fracture can be fixed as implant, thus reduce the possibility of greater tubercle displacement again.
Humerus greater tubercle anatomizing type locking steel plate of the present invention, its plate body comprises body and head; Described plate body is the locking steel plate with radian (radian as consistent with human body greater tubercles of humerus physiologic radian); Described plate body is provided with combined hole; Meanwhile, plate body is also provided with multiple suture hole.Preferably, described suture hole is arranged on the position near plate body edge, and described body is provided with one or more far-end fixing hole, and body thickness is greater than head.
According to a kind of preferred implementation of described locking steel plate, wherein, described plate body head both sides are provided with extension arm, and described extension arm has the radian consistent with greater tubercles of humerus physiologic radian, and described extension arm can arrange one or more combined hole.Described extension arm is preferably symmetricly set on the both sides of head, and forms T-shaped together with plate body, and axis of symmetry is provided with combined hole; Further, described medial and lateral extension arm is equipped with the first combined hole away from body and the second combined hole near body; The line of inner side extension arm first combined hole and outside extension arm second combined hole, and the angle between the line of inner side extension arm second combined hole and outside extension arm first combined hole is 60 °; Article two, the point of intersection of line is provided with a combined hole.
According to the further preferred implementation of above-mentioned locking steel plate, wherein, described combined hole and far-end fixing hole homocline threading body, angle of inclination, each hole can be similar and different, and more preferably incline direction intersects mutually.
The fixing interlocking structure of steel plate self that relies on completely of locking steel plate realizes.Steel plate and bone surface can leave certain interval, eliminate the ill effect that steel plate contacts with bone weight, greatly improve growth and the recovery of blood fortune and periosteum.When screw and steel plate angulation are fixed, steel plate screw and key formation solid are fixed, more stable than general steel plate.
Humerus greater tubercle anatomizing type locking steel plate of the present invention is designed with sewing hole, can have better stability and intensity; Plate body is provided with extension arm, and extension arm is consistent with human body greater tubercles of humerus physiologic radian with plate body radian, can well attach greater tubercle, and is covered by greater tubercle, and avoid the injured of surrounding tissue, Simultaneous Stabilization is strengthened further; The combined hole of extension arm and body can fix greater tubercle sclerite, prevents the displacement of greater tubercle fracture; Steel plate and humerus backbone can be fixed by the far-end fixing hole on plate body, make steel plate be provided with better stability.Therefore, humerus greater tubercle anatomizing type locking steel plate of the present invention decreases the possibility that greater tubercle is shifted again, is conducive to the primary healing of fracture of greater tuberosity of the humerus.
Accompanying drawing explanation
Fig. 1 is that humerus greater tubercle anatomizing type locking steel plate of the present invention faces structural representation;
Fig. 2 is humerus greater tubercle anatomizing type locking steel plate side-looking structural representation of the present invention.
Detailed description of the invention
See figures.1.and.2, humerus greater tubercle anatomizing type locking steel plate of the present invention be specifically described as follows:
Embodiment 1:
Humerus greater tubercle anatomizing type locking steel plate of the present invention, its plate body comprises body 1 and head 4; Described plate body has the radian consistent with human body greater tubercles of humerus physiologic radian; Plate body is provided with combined hole 11 and multiple suture hole 12.
Suture hole 12 is preferably disposed on the position near plate body edge, to facilitate suture.
During use, body 1 is attached on humerus backbone, utilizes radian that greater tubercle is wrapped up by head 4, be moved to avoid the greater tubercle of fracturing; Under the guiding with the threaded bit guide of fixed angle, screw is fixed on from combined hole 11 on humerus backbone and greater tubercle, thus realizes the fixing of fracture of greater tuberosity of the humerus position.
Steel plate materials can adopt titanium alloy material, stainless steel alloy material, bioceramic material, bioabsorbable polymer material or degradable biomaterial etc. to make.
Embodiment 2:
On the basis of embodiment 1, one or more far-end fixing hole 13 is set at body 1, for locking steel plate is fixed on backbone, improves stability further.
Body thickness is greater than head simultaneously, and the thickness increasing body can increase the intensity of locking steel plate.
According to the method described in embodiment 1, screw is fixed on humerus from combined hole 11 and far-end fixing hole 13.
Wherein, far-end fixing hole 13 and combined hole 11 are preferably set to the hole of oblique threading body, and as incline direction intersects mutually, screw can be intersected fixing like this, fixed effect is better.
Embodiment 3:
On the basis of embodiment 1 and 2, according to greater tubercle degree of fracture, described plate body head 4 both sides can be provided with one or more extension arm.Extension arm is provided with combined hole.
With two extension arms, namely inner side extension arm 2 and outside extension arm 3 are example, and described extension arm has the radian consistent with greater tubercles of humerus physiologic radian, and forms T-shaped together with plate body.Two extension arms, according to the shape of greater tubercle, can be symmetricly set on the both sides of head 4, axis of symmetry arranges combined hole; The free end of extension arm is preferably arranged to arc-shaped, in case wearing and tearing surrounding tissue when using.Medial and lateral extension arm is equipped with the first combined hole away from body and the second combined hole near body; The line of inner side extension arm first combined hole and outside extension arm second combined hole, and the angle between the line of inner side extension arm second combined hole and outside extension arm first combined hole is 60 °; Article two, the point of intersection of line is provided with a combined hole.
According to the method described in embodiment 1 and 2, locking steel plate is fixed.Due to the existence of extension arm, better can be formed greater tubercles of humerus and cover and parcel, thus make locking steel plate have better stability.
Described combined hole 11 is preferably in an inclined manner through plate body, and incline direction intersects mutually.
Inner side described in above-mentioned embodiment, refers to that steel plate body is near nodular side.
Locking steel plate described in above-mentioned embodiment, utilize the covering of steel plate medial and lateral extension arm and the combined hole of near-end thereof to fix greater tubercle from multi-angle, be absolute stable fixing means, be conducive to primary union, and there is enough intensity, contribute to the rehabilitation of postoperative patient shoulder early function.
Be described in detail specific embodiments of the invention above, but it is as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that this practicality is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (5)
1. a humerus greater tubercle anatomizing type locking steel plate, its plate body comprises body and head; It is characterized in that, described plate body is with radian; The body of described plate body and head are equipped with the combined hole for hold-down screw; Meanwhile, plate body is also provided with multiple suture hole, described head is provided with 2 extension arms, i.e. inner side and outer side extension arm, and described extension arm is symmetricly set on the both sides of head, and axis of symmetry is provided with combined hole; Described two extension arms and plate body form T-shaped, and described plate body and extension arm have the radian consistent with greater tubercles of humerus physiologic radian;
Wherein: described inner side, outside extension arm are equipped with the first combined hole away from body and the second combined hole near body; The line of inner side extension arm first combined hole and outside extension arm second combined hole, and the angle between the line of inner side extension arm second combined hole and outside extension arm first combined hole is 60 °; Article two, the point of intersection of line is provided with a combined hole,
Described body thickness is greater than described head thickness,
Described combined hole is in an inclined manner through plate body, and incline direction intersects mutually,
Make between steel plate and humerus, leave certain gap.
2. locking steel plate according to claim 1, is characterized in that, described suture hole is arranged on the position near plate body edge.
3. locking steel plate according to claim 1, is characterized in that, described body is provided with one or more far-end fixing hole for being fixed on by locking steel plate on humerus backbone.
4. the locking steel plate according to claim 1 or 3, is characterized in that, described combined hole and far-end fixing hole are in an inclined manner through plate body.
5. locking steel plate according to claim 4, is characterized in that, between described combined hole, between described far-end fixing hole, incline direction intersects respectively mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010256876.4A CN102370517B (en) | 2010-08-19 | 2010-08-19 | Humerus greater tubercle anatomizing type locking steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010256876.4A CN102370517B (en) | 2010-08-19 | 2010-08-19 | Humerus greater tubercle anatomizing type locking steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102370517A CN102370517A (en) | 2012-03-14 |
| CN102370517B true CN102370517B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010256876.4A Expired - Fee Related CN102370517B (en) | 2010-08-19 | 2010-08-19 | Humerus greater tubercle anatomizing type locking steel plate |
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| CN (1) | CN102370517B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103876815A (en) * | 2014-02-26 | 2014-06-25 | 胡海军 | Humeral greater tuberosity compression locking steel plate |
| CN106937881A (en) * | 2017-03-07 | 2017-07-11 | 高益斌 | Bones and joints fixed plate and rivet fixed plate |
| CN107049459A (en) * | 2017-03-07 | 2017-08-18 | 高益斌 | Locking steel plate and rivet locking steel plate |
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| CN2757748Y (en) * | 2005-01-04 | 2006-02-15 | 张长青 | Medical component element for internal fixation coaptation |
| CN2783947Y (en) * | 2005-04-29 | 2006-05-31 | 张长青 | Locking board for bone fracture between tuberosity |
| CN1960681A (en) * | 2004-06-01 | 2007-05-09 | 辛迪思有限公司 | Osteosynthesis plate |
| CN1997322A (en) * | 2004-01-23 | 2007-07-11 | 德普伊产品公司 | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure |
| CN201076512Y (en) * | 2007-09-14 | 2008-06-25 | 李军民 | Limited contact locking compression plate |
| CN201379637Y (en) * | 2008-12-26 | 2010-01-13 | 枣庄矿业集团滕南医院 | Shinbone far-end fixing plate |
| CN201389072Y (en) * | 2009-01-14 | 2010-01-27 | 唐佩福 | Internal fixing steel plate for posterior acetabular wall fracture |
| CN101732085A (en) * | 2009-12-17 | 2010-06-16 | 张文捷 | Spiral bone plate for use on outer side of proximally middle section of humerus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5938664A (en) * | 1998-03-31 | 1999-08-17 | Zimmer, Inc. | Orthopaedic bone plate |
| US7537596B2 (en) * | 2003-06-20 | 2009-05-26 | Acumed Llc | Bone plates with intraoperatively tapped apertures |
| US8382807B2 (en) * | 2005-07-25 | 2013-02-26 | Smith & Nephew, Inc. | Systems and methods for using polyaxial plates |
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2010
- 2010-08-19 CN CN201010256876.4A patent/CN102370517B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997322A (en) * | 2004-01-23 | 2007-07-11 | 德普伊产品公司 | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure |
| CN1960681A (en) * | 2004-06-01 | 2007-05-09 | 辛迪思有限公司 | Osteosynthesis plate |
| CN2757748Y (en) * | 2005-01-04 | 2006-02-15 | 张长青 | Medical component element for internal fixation coaptation |
| CN2783947Y (en) * | 2005-04-29 | 2006-05-31 | 张长青 | Locking board for bone fracture between tuberosity |
| CN201076512Y (en) * | 2007-09-14 | 2008-06-25 | 李军民 | Limited contact locking compression plate |
| CN201379637Y (en) * | 2008-12-26 | 2010-01-13 | 枣庄矿业集团滕南医院 | Shinbone far-end fixing plate |
| CN201389072Y (en) * | 2009-01-14 | 2010-01-27 | 唐佩福 | Internal fixing steel plate for posterior acetabular wall fracture |
| CN101732085A (en) * | 2009-12-17 | 2010-06-16 | 张文捷 | Spiral bone plate for use on outer side of proximally middle section of humerus |
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| CN102370517A (en) | 2012-03-14 |
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