CN215688337U - Adjustable external fixation plate - Google Patents
Adjustable external fixation plate Download PDFInfo
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- CN215688337U CN215688337U CN202121952433.9U CN202121952433U CN215688337U CN 215688337 U CN215688337 U CN 215688337U CN 202121952433 U CN202121952433 U CN 202121952433U CN 215688337 U CN215688337 U CN 215688337U
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- straight plate
- external fixation
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Abstract
The utility model discloses an adjustable external fixing plate, relates to the technical field of medical instruments, and can ensure the mounting strength of a bracket while reducing the weight of the bracket. Including length adjustable regulating part, the equal universal articulated support steel sheet that has in both ends of regulating part, it has a plurality of first screw holes that are used for wearing to establish the steel nail to open on the support steel sheet. According to the utility model, through the matching of the adjusting piece and the bracket steel plate, the use of the bracket is more flexible, and the length or the installation angle of the bracket can be adjusted according to the condition of a patient or the position of the bracket, so that the installation of the bracket is more adaptive to the structure of a human body; and for current structure, its weight is lighter, and the patient's of being convenient for removal simultaneously presses close to human surface more, has guaranteed in the use of support, can not excessive jack-up clothing, reduces ventilative possibility, in addition, through set up in first screw hole on the support steel sheet, can guarantee when adopting the support steel sheet that its installation intensity is enough.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an adjustable external fixing plate.
Background
The fracture of the limbs wound accounts for a great proportion of the external injury, and generally, in order to heal the bone, a stable environment needs to be created for the fracture, for example, fixing by using splints, plaster, external fixing supports, internal steel plate screws, tension screws and the like. The external fixing bracket is mainly used for open fracture in trauma, and has more and more advantages for fixing closed fracture along with the wide application of a minimally invasive concept in orthopedics. Conservative treatment of the fracture site; or a bracket is arranged at the fracture part to fix the fracture part, wherein the external fixation mode of the orthopedic external correction bracket is adopted.
Meanwhile, the existing external fixing support influences the wearing and the traveling of a patient during rehabilitation due to the fact that the structure is thick and bulky, the fixing nail and the clamp are used for ensuring that the steel needle for fixing is driven into the affected part of the patient, the steel needle has enough stability, the outer end of the steel needle is usually made into a cylindrical shape, and the steel needle is clamped tightly through clamping of an external structure. In addition, the fixed steel needle positions are often arranged in a straight line side by side, the nail feeding position is limited, the fixing requirements can be met only by adding the clamping blocks, the nail tail with a complex combined structure is often higher than the outside of the nail clamp body, and the psychology and the life of a patient are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided is an extracorporeal support which can reduce the weight of the support and the effective use height, and can ensure the installation strength of the support. The present invention provides an adjustable external fixation plate that solves the above-mentioned problems.
The utility model is realized by the following technical scheme:
the utility model provides an adjustable external fixation plate, includes length adjustable regulating part, the equal universal articulated support steel sheet that has in both ends of regulating part, it has a plurality of first screw holes that are used for wearing to establish the steel nail to open on the support steel sheet.
In this scheme, through the support steel sheet replaces original outer structure that is used for centre gripping steel nail to through set up on the support steel sheet first screw hole with steel nail threaded connection ensures the fixed of steel nail. When the support is installed, the length of the adjusting piece is adjusted in advance to enable the two support steel plates to reach corresponding positions, then the positions of the support steel plates relative to the adjusting piece are finely adjusted to enable first threaded holes in the support steel plates to be aligned to bones needing to be fixed, then the steel nails penetrate through the first threaded holes to be fixed on the bones, and the steel nails and the support steel plates are fixed together through threads of the first threaded holes. The matching of the adjusting piece and the bracket steel plate can enable the use of the bracket to be more flexible, and the length or the installation angle of the bracket can be adjusted according to the condition of a patient or the position of the bracket, so that the installation of the bracket is more adaptive to the human body structure; and for original cylindric structure, its weight is lighter for the support steel sheet, also is convenient for patient's removal, simultaneously more presses close to human surface, reduces the use height. The clothes can not be excessively jacked up in the using process of the support, and the possibility of ventilation is reduced. In addition, the first threaded hole provided in the bracket steel plate ensures sufficient mounting strength while the bracket steel plate is used.
Preferably, the contact positions of the plate surface and the edge of the support steel plate are in smooth transition.
The contact positions of the plate surface and the edge of the support steel plate are in smooth transition, so that the clothes are prevented from being scratched in the clothes wearing process, the clothes are damaged or the support steel plate is driven to move, and the bad influence on the cure of bones is avoided.
Preferably, the first threaded hole of the bracket steel plate is a universal threaded hole.
Through the setting of universal screw hole, be convenient for select the steel nail that is fit for as required and implant the direction to this has more the flexibility, and the stability of its connection also can corresponding improvement.
Further preferably, a plurality of guide pin holes for inserting guide pins are further distributed on the support steel plate.
Through guide pin hole and can alternate guide pin wherein, right the setting of support steel sheet is fixed a position in advance, and the accuracy of being convenient for will the support steel sheet is fixed to the required position of skeleton, also can play an auxiliary effect for the fixed of universal screw hole, when avoiding wearing to establish the steel nail, the support steel sheet takes place to shift, fixed the influence that causes of subsequent steel nail.
Preferably, the support steel sheet include with the horizontal portion of the universal articulated vertical portion of regulating part and be provided with a plurality of first screw holes, horizontal portion with vertical portion fixed connection, horizontal portion is the arc structure that matches with the domatic shape of skeleton.
The support steel plate is hinged to one end of the adjusting piece through the vertical portion, the transverse portion is integrally perpendicular to the vertical portion and is L-shaped or T-shaped, the transverse portion is fixed to a bone through the first threaded hole in the transverse portion, the range of the fixing portion can be effectively reduced through the T-shaped or L-shaped arrangement, the bone injury place is convenient to avoid, and early care is convenient. Meanwhile, the arc-shaped structure of the transverse part can facilitate the first threaded holes on the arc-shaped structure to be fixed with the bone.
Preferably, the regulating part comprises a first straight plate and a second straight plate, a dovetail groove is formed in the first straight plate, the second straight plate and the dovetail groove are clamped and can stretch in the dovetail groove, connecting parts used for fixing the first straight plate and the second straight plate are arranged on the first straight plate and the second straight plate, and one ends, far away from each other, of the first straight plate and the second straight plate are respectively and universally hinged with the support steel plate.
The second straight plate can only stretch relative to the first straight plate through the dovetail groove, so that the length of the whole adjusting piece is adjusted. When the length of the adjusting piece is adjusted according to the field condition, the relative movement of the first straight plate and the second straight plate is limited through the connecting part, so that the adjustment of the adjusting piece is completed. Through the mode, the structure of the adjusting piece is more stable, and shaking generated in the using process of the support is avoided.
Further preferably, the connecting portion comprises a plurality of grooves formed in the first straight plate and distributed along the plate direction and a plurality of second threaded holes formed in the second straight plate, and the same screw can penetrate through the second threaded holes and the grooves.
In the scheme: wherein, the plate direction of the first straight plate is the direction of the longest edge on the plate surface. When the first straight plate and the second straight plate move relatively, the second threaded holes can be covered on different grooves in a telescopic mode, when the length of the adjusting piece is determined according to the field condition, the second threaded holes are overlapped with the corresponding grooves, screws penetrate into the second threaded holes, and free ends of the screws penetrate through the second threaded holes to enter the grooves, so that the first straight plate and the second straight plate are fixed relatively through the dovetail grooves. Wherein the groove does not penetrate through the first straight plate, and the strength of the first straight plate is ensured.
Preferably, connecting portions are arranged at two ends of the adjusting piece, circular arc-shaped cavities are formed in the connecting portions, head adjusting ball heads are sleeved in the circular arc-shaped cavities, and the surfaces, exposed out of the circular arc-shaped cavities, of the adjusting ball heads are connected with the support steel plates respectively.
Through the cooperation of the adjusting ball head and the arc-shaped cavity, the universal hinging of the support steel plate and the adjusting piece is realized.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the adjustable external fixing plate provided by the utility model, through the matching of the adjusting piece and the bracket steel plate, the use of the bracket is more flexible, and the length or the installation angle of the bracket can be adjusted according to the condition of a patient or the position of the bracket, so that the installation of the bracket is more adaptive to the structure of a human body; compared with the existing structure, the support steel plate is lighter in weight, is convenient for a patient to move, is closer to the surface of a human body, ensures that clothes cannot be excessively jacked up in the using process of the support, and reduces the possibility of ventilation. In addition, the first threaded hole provided in the bracket steel plate ensures sufficient mounting strength while the bracket steel plate is used.
2. According to the adjustable external fixing plate provided by the utility model, through the arrangement of the universal threaded holes and the guide pin holes, the support steel plate can be conveniently and accurately fixed to the position required by a bone, and the proper steel nail implantation direction can be selected according to the requirement, so that the flexibility is higher, and the connection stability can be correspondingly improved.
3. According to the adjustable external fixing plate provided by the utility model, the length of the adjusting piece is adjusted through the arrangement of the first straight plate and the second straight plate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is an overall structural view of embodiment 1 of the present invention;
FIG. 2 is a top view of embodiment 1 of the present invention.
Reference numbers and corresponding part names in the drawings:
1-adjusting piece, 11-first straight plate, 111-dovetail groove, 112-groove, 12-second straight plate, 121-second threaded hole, 13-connecting part, 131-circular arc cavity, 2-bracket steel plate, 21-first threaded hole, 22-guide pin hole, 23-adjusting ball head, 24-transverse part and 25-vertical part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Example 1:
the utility model provides an adjustable external fixation plate, includes length adjustable regulating part 1, the equal universal articulated support steel sheet 2 that has in both ends of regulating part 1, it has a plurality of first screw holes 21 that are used for wearing to establish the steel nail to open on the support steel sheet 2.
The support steel plate 2 is flat and rectangular, the contact position of the plate surface and the edge of the support steel plate 2 is in smooth transition, and the smooth transition mode can be that the edge of the support steel plate 2 is rounded.
The contact positions of the plate surface and the edge of the support steel plate 2 are in smooth transition, so that the clothes are prevented from being scratched in the clothes wearing process, the clothes are damaged or the support steel plate 2 is driven to move, and adverse effects are caused on the cure of bones.
For one or more embodiments, the screw threads of the support steel plate 2 are universal screw holes, and four screw threads are provided. Besides, two guide pin holes 22 for inserting guide pins are distributed on the support steel plate 2.
Wherein guide pin hole 22 is including the bell mouth section and the straight hole section of intercommunication, guide pin hole 22 is the bell mouth section with the connecting hole section of coaptation board body upper surface, guide pin hole 22 is the straight hole section with the connecting hole section of coaptation board body lower surface, when carrying out the fixed of guide pin, the sharp portion of guide pin passes behind the bell mouth section the head of guide pin gets into in the bell mouth section, be convenient for right the head of guide pin is hidden, avoids it to scratch to the clothing on, ensures that the fixed of guide pin is comparatively stable simultaneously. Wherein the guide pin is a fixing screw with a threaded head.
Wherein, support steel sheet 2 include with the universal articulated vertical portion 25 of regulating part 1 and be provided with the horizontal portion 24 that is provided with a plurality of first screw holes 21, horizontal portion 24 with vertical portion 25 fixed connection, horizontal portion 24 is the arc structure that matches with the domatic shape of skeleton.
Wherein the transverse part 24 and the vertical part 25 are perpendicular to each other and are in an L shape or a T shape; besides the transverse part 24, the vertical part 25 can be provided with a plurality of first threaded holes 21, so that the fixing according to the injury condition can be more flexibly performed.
Wherein the first threaded hole 21
In addition, the support steel plate 2 can also be of a conventional straight plate structure, and the plate surface of the support steel plate is provided with the first threads at intervals along the plate direction, so that the support steel plate can be used for bones such as shin bones and the like;
for one or more embodiments, the adjusting member 1 includes a first straight plate 11 and a second straight plate 12, the first straight plate 11 is provided with a dovetail groove 111, a cross section of a free end of the second straight plate 12 is in a trapezoidal structure matched with the dovetail groove 111, and can be engaged with the dovetail groove 111 and can extend and retract in the dovetail groove 111, the first straight plate 11 and the second straight plate 12 are provided with a connecting portion 13 for fixing the two to each other, and ends of the first straight plate 11 and the second straight plate 12, which are far away from each other, are respectively and universally hinged with the bracket steel plate 2.
For one or more embodiments, the connecting portion 13 includes a plurality of grooves 112 distributed along the plate direction and disposed on the first straight plate 11, and a plurality of second threaded holes 121 disposed on the second straight plate 12, and the same screw can be inserted into the second threaded holes 121 and the grooves 112.
In addition, the first and second straight plates 11 and 12 may be fixed by a pin, a clip, or the like.
For one or more embodiments, the two ends of the adjusting part 1 are respectively provided with a connecting part 13, the connecting parts 13 are respectively provided with an arc-shaped cavity 131, a head adjusting ball head 23 is sleeved in the arc-shaped cavity 131, and the surfaces of the adjusting ball heads 23 exposed out of the arc-shaped cavity 131 are respectively connected with the support steel plates 2.
The using process of the embodiment is as follows:
before the support is fixed, determining an installation position according to preoperative analysis; adjusting the relative position of the first straight plate 11 and the second straight plate 12 according to the determined installation position, then inserting screws to simultaneously connect the second threaded hole 121 and the groove 112, so as to realize the relative fixation of the first straight plate 11 and the second straight plate 12, so as to realize the length adjustment of the adjusting piece, placing the bracket at the installation position, rotating the adjusting ball head 23 in the arc-shaped cavity 131 to enable the plate surfaces of the two bracket steel plates 2 to point to the installation position, inserting the guide pins into the guide pin holes 22 to penetrate corresponding positions of human bones after the position of the bracket is determined, so as to realize the pre-fixation of the bracket, then selecting a proper steel pin implantation direction according to the positions of the bones, inserting steel pins into the universal threaded holes to connect the human bones, so as to realize the overall fixation of the bracket.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an adjustable external fixation plate, its characterized in that includes length adjustable regulating part (1), the equal universal articulated support steel sheet (2) that has in both ends of regulating part (1), it has a plurality of first screw holes (21) that are used for wearing to establish the steel nail to open on support steel sheet (2).
2. An adjustable external fixation plate according to claim 1, wherein the plate surface and the edge contact position of the bracket steel plate (2) are rounded.
3. An adjustable external fixation plate according to claim 1, wherein the first threaded holes (21) of the bracket steel plate (2) are universal threaded holes.
4. The adjustable external fixation plate of claim 2, wherein the bracket steel plate (2) is further provided with a plurality of guide pin holes (22) for inserting guide pins.
5. An adjustable external fixation plate according to claim 1, wherein the bracket steel plate (2) comprises a vertical portion (25) which is universally articulated with the adjustment member (1) and a transverse portion (24) provided with a plurality of first threaded holes (21), the transverse portion (24) is fixedly connected with the vertical portion (25), and the transverse portion (24) has an arc-shaped structure which matches the shape of a bone slope.
6. The adjustable external fixation plate of claim 1, wherein the adjusting member (1) comprises a first straight plate (11) and a second straight plate (12), the first straight plate (11) is provided with a dovetail groove (111), the second straight plate (12) is engaged with the dovetail groove (111) and can extend and retract in the dovetail groove (111), the first straight plate (11) and the second straight plate (12) are provided with connecting parts (13) for fixing the first straight plate and the second straight plate to each other, and the ends of the first straight plate (11) and the second straight plate (12) far away from each other are respectively and universally hinged with the support steel plate (2).
7. An adjustable external fixation plate according to claim 6, wherein the connecting portion (13) comprises a plurality of grooves (112) arranged on the first straight plate (11) and distributed along the plate direction, and a plurality of second threaded holes (121) arranged on the second straight plate (12), and the same screw can be inserted into the second threaded holes (121) and the grooves (112).
8. The adjustable external fixation plate of claim 1, wherein the two ends of the adjusting member (1) are respectively provided with a connecting portion (13), the connecting portions (13) are respectively provided with an arc-shaped cavity (131), an adjusting ball head (23) is sleeved in the arc-shaped cavity (131), and the surfaces of the adjusting ball heads (23) exposed out of the arc-shaped cavity (131) are respectively connected with the bracket steel plates (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121952433.9U CN215688337U (en) | 2021-08-19 | 2021-08-19 | Adjustable external fixation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121952433.9U CN215688337U (en) | 2021-08-19 | 2021-08-19 | Adjustable external fixation plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215688337U true CN215688337U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121952433.9U Active CN215688337U (en) | 2021-08-19 | 2021-08-19 | Adjustable external fixation plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215688337U (en) |
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2021
- 2021-08-19 CN CN202121952433.9U patent/CN215688337U/en active Active
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