CN204274618U - Greater tuberosity fracture fixing steel plate - Google Patents
Greater tuberosity fracture fixing steel plate Download PDFInfo
- Publication number
- CN204274618U CN204274618U CN201420606026.6U CN201420606026U CN204274618U CN 204274618 U CN204274618 U CN 204274618U CN 201420606026 U CN201420606026 U CN 201420606026U CN 204274618 U CN204274618 U CN 204274618U
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- plate body
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- humerus
- lock screw
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Abstract
This utility model discloses a kind of greater tuberosity fracture fixing steel plate, belongs to technical field of medical instruments; This utility model comprises plate body and five pieces of screws, and steel plate has the radian identical with greater tubercles of humerus.Five pieces of screws are made up of four pieces of lock screw and one piece of forcing screw.Plate body being respectively equipped with five screw holes corresponding to five pieces of screws, is four screw hole and a forcing screw hole respectively.A forcing screw hole is located in the middle of described plate body, two in four screw hole tops being located at described plate body, another two belows being located at described plate body.Four pieces of lock screw are that angle of inclination is fixed with steel plate edge respectively, make steel plate adhere well to humerus, ensure the constant intensity of inside-fixture.This device is mainly used in fracture of greater tuberosity of the humerus, can improve the constant intensity of inside-fixture, effectively can shorten operating time, reduces in art greatly and radiates number of times and axillary nerve injury incidence rate, reduce the generation of post-operative complication.
Description
Technical field
This utility model belongs to clinical medicine, the medical apparatus and instruments in bone surgery, particularly relates to a kind of greater tuberosity fracture fixing steel plate.
Background technology
Fracture of greater tuberosity of the humerus: be the comparatively common one fracture of proximal humerus, how caused by direct or indirect violence, treatment in time, correct many can rehabilitation, if but affect the state of an illness or malpractice adversely, the forfeiture of shoulder joint partial function may be caused.Greater tubercles of humerus is the important component part of proximal humerus.It is that boundary is adjacent with the lesser tubercle of humerus with the intertubercular groove of humerus in front inner side, is that boundary is adjacent with head of humerus on rear with anatomical neck of humerus, adjacent with humeral shaft with humeral shaft epiphysis joint portion under it.Greater tubercles of humerus is the supraspinatus of abduction shoulder joint, the infraspinatus of outward turning shoulder joint and the attachment point of teres minor from top to bottom respectively.
Fracture of greater tuberosity of the humerus, at present clinically based on expectant treatment.But for the patient that degree of fracture is heavier, the method for expectant treatment is also inapplicable.Open reduction internal fixation has been that the fracture of greater tuberosity of the humerus that clinical treatment is shifted serious is first-selected at present.Because it can reach anatomical reduction, thus recover the function of shoulder joint to greatest extent.The method of current internal fixtion is a lot, and internal fixation device also more plain screw, bioabsorbable interference screw, internal fixation steel plate etc.But extensive along with clinical practice, the complication after internal fixation operation is much.Main manifestations is displacement and the axillary nerve injury again of improper, the postoperative greater tubercle fracture of constant intensity length that is inadequate and inside-fixture, causes shoulder dysfunction.At present clinically in the urgent need to having the internal fixation device of sufficient intensity and appropriate length to carry out the fixing of fracture of greater tuberosity of the humerus.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of greater tuberosity fracture fixing steel plate, simple to operate, the problem that fracture of greater tuberosity of the humerus is clinically difficult to fix can be solved at present, and the time that patient is exposed to lonizing radiation in operation process can be greatly reduced, radiate number of times and axillary nerve injury incidence rate in great minimizing art, reduce the generation of post-operative complication.
For solving the problems of the technologies described above, the technical scheme that this utility model adopts is:
A kind of greater tuberosity fracture fixing steel plate, comprises plate body and five pieces of screws; Described plate body is half recessed curved plate, and it has the radian consistent with human body greater tubercles of humerus; Described five pieces of screws are made up of four pieces of lock screw and one piece of forcing screw, described plate body is respectively equipped with five screw holes corresponding to five pieces of screws, four screw hole and a forcing screw hole respectively, a described forcing screw hole is located in the middle of described plate body, two in described four screw hole tops being located at described plate body, another two belows being located at described plate body; Four pieces of lock screw are that angle of inclination is fixed with plate body edge respectively.
As the preferred technical scheme of this utility model, thinner than two ends in the middle of described plate body, trochiterian position can be adhere well to.
As the preferred technical scheme of this utility model, be positioned at two pieces of lock screw above plate body in described four pieces of lock screw and plate body upper limb is 40-50 degree angle (preferred miter angle), point to shoulder joint chamber; Be positioned at two pieces of lock screw below plate body in described four pieces of lock screw and plate body lower edge is 40-50 degree angle (preferred miter angle), point to humerus lower end; Thus avoid damaging axillary nerve, to increase the intensity that plate body fixes fracture.
As the preferred technical scheme of this utility model, described one piece of forcing screw is vertical with plate body, can play pressurization, make plate body be attached at humerus to fracture.
This device is simple to operate, first fracture of greater tuberosity of the humerus can be fixed by middle conventional pressurized screw hole during operation, make sclerite reset and pressurize to sclerite, the angle of inclination of carrying out upper and lower four lock screw subsequently is respectively fixed, and forms crossings on different level and fixes.
Compared with prior art, the beneficial effects of the utility model are: this apparatus structure is simple, simple to operate, solve the difficult problem that fracture of greater tuberosity of the humerus is fixing clinically.This device can improve the constant intensity of Plate internal fixiation thing, effectively can shorten operating time, reduces in art greatly and radiates number of times and axillary nerve injury incidence rate, reduce the generation of severe postoperative complication.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plate body of this utility model greater tuberosity fracture fixing steel plate;
Fig. 2 is the structural representation of this utility model greater tuberosity fracture fixing steel plate;
Fig. 3 is the using state schematic diagram of this utility model greater tuberosity fracture fixing steel plate.
Description of reference numerals is as follows:
1 is plate body, and 21,22,23,24 is lock screw, and 25 is forcing screws, 31,32,33,34 is screw hole, and 35 is forcing screw holes, and 4 is humerus, 5 is shoulder joint chambeies, and A is the angle of lock screw 21,22 and plate body 1 upper limb, and B is the angle of lock screw 23,24 and plate body 1 lower edge.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail.
Embodiment:
See Fig. 1-Fig. 3, this utility model greater tuberosity fracture fixing steel plate, comprises one piece of plate body 1 and used fixing four pieces of lock screw, 21,22,23,24, one piece of conventional pressurized screw 25.Plate body 1 has the radian unanimous on the whole with human body greater tubercles of humerus, and the two ends of plate body 1 are comparatively middle thicker, have firmly grasping force to humerus 4.Plate body 1 is respectively equipped with five screw holes corresponding to five pieces of screws, four screw hole, 31,32,33,34 and forcing screw hole 35 respectively, a forcing screw hole 35 is located in the middle of plate body 1, two screw hole 31,32 in four screw hole 31,32,33,34 are located at the top of plate body 1, and another two screw hole 33,34 are located at the below of plate body 1.Be arranged in two pieces of lock screw 21,22 above plate body 1 in four pieces of lock screw 21,22,23,24 and plate body 1 upper limb is 40-50 degree angle (see the included angle A of Fig. 3, the preferred miter angle of included angle A), point to shoulder joint chamber 5; Be arranged in two pieces of lock screw 23,24 below plate body 1 in four pieces of lock screw 21,22,23,24 and plate body 1 lower edge is 40-50 degree angle (see the included angle B of Fig. 3, the preferred miter angle of included angle B), point to humerus 4 lower end.Because axillary nerve is around head of humerus outside rear traveling, if the oblique top of lock screw below 23,24 is fixed, easy damaged axillary nerve.Therefore the design damages axillary nerve, two pieces of lock screw 23,24 traveling downward below ad hoc meter for avoiding.For increasing the hold of screw, and forming a three-dimensional fixed system with top lock screw 21,22, designing screw towards being that 40-50 ° of angle is fixed with plate body 1 lower edge.Four pieces of lock screw 21,22,23,24 are that angle of inclination is fixed with plate body 1 edge respectively, make plate body 1 adhere well to humerus 4, ensure the constant intensity of inside-fixture, and avoid damaging axillary nerve.One piece of forcing screw 25 is vertical with plate body 1, can play pressurization to fracture, makes plate body 1 be attached at humerus 4.
In operation application, make an acromion lower cut, greater tubercle fracture is appeared.After the reduction of the fracture, plate body 1 is fixed on fracture surfaces.Squeeze into one piece of conventional pressurized screw 25 prior to the intermediary press screw hole 35 of plate body 1 to humerus 4, make plate body 1 be attached at humerus 4 surface.(making to be positioned at two pieces of lock screw 21,22 above plate body 1 with plate body 1 upper limb is 40-50 degree angle, sensing shoulder joint chamber 5 to tilt to squeeze into four pieces of lock screw 21,22,23,24 respectively at the upper and lower of plate body 1 subsequently; Be positioned at two pieces of lock screw 23,24 below plate body 1 and plate body 1 lower edge is 40-50 degree angle, point to humerus 4 lower end), fracture end is played to the effect of dimensional support.
Claims (5)
1. a greater tuberosity fracture fixing steel plate, is characterized in that: comprise plate body and five pieces of screws; Described plate body is half recessed curved plate, and it has the radian consistent with human body greater tubercles of humerus; Described five pieces of screws are made up of four pieces of lock screw and one piece of forcing screw, described plate body is respectively equipped with five screw holes corresponding to five pieces of screws, four screw hole and a forcing screw hole respectively, a described forcing screw hole is located in the middle of described plate body, two in described four screw hole tops being located at described plate body, another two belows being located at described plate body; Four pieces of lock screw are that angle of inclination is fixed with plate body edge respectively.
2. steel plate as claimed in claim 1, is characterized in that, thinner than two ends in the middle of described plate body, can adhere well to trochiterian position.
3. steel plate as claimed in claim 1, is characterized in that, the two pieces of lock screw be positioned in described four pieces of lock screw above plate body are 40-50 degree angle with plate body upper limb, sensing shoulder joint chamber; Be positioned at two pieces of lock screw below plate body in described four pieces of lock screw and plate body lower edge is 40-50 degree angle, point to humerus lower end.
4. steel plate as claimed in claim 3, is characterized in that, the two pieces of lock screw be positioned in described four pieces of lock screw above plate body are miter angle with plate body upper limb, sensing shoulder joint chamber; Be positioned at two pieces of lock screw below plate body in described four pieces of lock screw and plate body lower edge is miter angle, point to humerus lower end.
5. steel plate as claimed in claim 1, it is characterized in that, described one piece of forcing screw is vertical with plate body, makes plate body be attached at humerus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606026.6U CN204274618U (en) | 2014-10-20 | 2014-10-20 | Greater tuberosity fracture fixing steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606026.6U CN204274618U (en) | 2014-10-20 | 2014-10-20 | Greater tuberosity fracture fixing steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204274618U true CN204274618U (en) | 2015-04-22 |
Family
ID=52857827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606026.6U Expired - Fee Related CN204274618U (en) | 2014-10-20 | 2014-10-20 | Greater tuberosity fracture fixing steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204274618U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2614097C2 (en) * | 2015-09-07 | 2017-03-22 | Государственное бюджетное образовательное учреждение высшего профессионального образования "Дагестанская государственная медицинская академия" Министерства здравоохранения РФ | Device for treatment of fractures of the greater tubercle of the humerus |
| 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 |
-
2014
- 2014-10-20 CN CN201420606026.6U patent/CN204274618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2614097C2 (en) * | 2015-09-07 | 2017-03-22 | Государственное бюджетное образовательное учреждение высшего профессионального образования "Дагестанская государственная медицинская академия" Министерства здравоохранения РФ | Device for treatment of fractures of the greater tubercle of the humerus |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |