CN213665668U - Back side angle steel plate for ulna near end - Google Patents
Back side angle steel plate for ulna near end Download PDFInfo
- Publication number
- CN213665668U CN213665668U CN202022215789.6U CN202022215789U CN213665668U CN 213665668 U CN213665668 U CN 213665668U CN 202022215789 U CN202022215789 U CN 202022215789U CN 213665668 U CN213665668 U CN 213665668U
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- China
- Prior art keywords
- steel plate
- hole section
- universal locking
- locking
- universal
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 113
- 239000010959 steel Substances 0.000 title claims abstract description 113
- 210000000623 ulna Anatomy 0.000 title claims abstract description 43
- 208000006735 Periostitis Diseases 0.000 claims abstract description 8
- 210000003460 periosteum Anatomy 0.000 claims abstract description 8
- 210000000988 bone and bone Anatomy 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 241000587161 Gomphocarpus Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model provides a back side angle steel plate for an ulna near end, which comprises a steel plate far end, wherein one end of the steel plate far end extends to form a steel plate near end, an included angle between the top surfaces of the steel plate far end and the steel plate near end is alpha, a plurality of locking pressure holes and universal locking holes are arranged on the top surfaces of the steel plate far end and the steel plate near end, each locking pressure hole comprises a universal locking hole section and a pressure hole section, the universal locking hole section is communicated with the pressure hole section, and the universal locking hole section is close to a connecting central line of the steel plate far end and the steel plate near end; the steel plate distal end and the steel plate near-end all open a plurality of periosteum recess with the one side of ulna contact. The proximal osteotomy of the ulna is angled and extended, and after the angle and the length in each direction reach the optimal reduction, the angle steel plate with the proper angle and the proper length is selected for dorsal fixation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a dorsal horn steel sheet for ulna near-end.
Background
At present, the old Mongolian fracture of children is mostly treated by adopting ulna proximal osteotomy angulation, but no angle steel plate specially used for the dorsal side of the ulna proximal end exists at present, other types of straight steel plates are used in clinical operations, and the angle steel plate is bent according to specific conditions in the operations and then used, so that certain difficulty is brought to the operations. In addition, the angle of insertion of the screws into the bone is preset by the existing steel plates and cannot be changed. The insertion direction of the locking screw of the common steel plate is only perpendicular to the unique direction of the plane of the steel plate, and the contradiction that the insertion direction of the locking screw in the existing steel plate is inconsistent with the optimal insertion direction exists due to individual difference of patients.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a dorsal horn steel sheet for ulna near-end has solved among the prior art dorsal horn steel sheet of ulna near-end and has buckled for the art, can not adjust the problem of the direction of putting into of screw.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the back side angle steel plate for the ulna proximal end comprises a steel plate distal end, wherein the steel plate proximal end extends from one end of the steel plate distal end, an included angle between the top surfaces of the steel plate distal end and the steel plate proximal end is alpha, and a plurality of locking pressurizing holes and universal locking holes are formed in the top surfaces of the steel plate distal end and the steel plate proximal end;
the locking pressurizing hole comprises a universal locking hole section and a pressurizing hole section, the universal locking hole section is communicated with the pressurizing hole section, and the universal locking hole section is close to a connecting central line of the far end of the steel plate and the near end of the steel plate;
the steel plate distal end and the steel plate near-end all open a plurality of periosteum recess with the one side of ulna contact.
Furthermore, the sum of the number of the locking pressurizing holes and the number of the universal locking holes on the near end and the far end of the steel plate are 3-4. The number of the locking pressure holes and the universal locking holes is determined according to the requirement, in order to ensure that the dorsal horn plate can be firmly fixed on the ulna and ensure the requirement that the ulna restores the length and the angulation stability.
Furthermore, the number of the locking pressurizing holes is one, and the number of the universal locking holes is 2-3. Preferably, the number of universal locking holes at the proximal end of the steel plate and the distal end of the steel plate is two and three, respectively. The position of the locking pressurizing hole is determined according to requirements, and preferably, the locking pressurizing hole is arranged in the middle of the near end of the steel plate and the far end of the steel plate, so that the angle steel plate and the ulna are attached.
Further, the cross section of the locking pressurizing hole is 8-shaped.
Furthermore, the centers of the locking pressurizing hole and the universal locking hole are both positioned on the central line of the near end of the steel plate and the far end of the steel plate. The locking pressure hole and the universal locking hole are arranged on the central line of the near end and the far end of the steel plate and are arranged along the length direction of the near end and the far end of the steel plate.
Furthermore, the pressurizing hole section and the universal locking hole section are both round holes, the circle centers of the pressurizing hole section and the universal locking hole section are located on the same straight line, the aperture of the pressurizing hole section is smaller than that of the universal locking hole section, and the pressurizing hole section and the universal locking hole section are partially overlapped to form a locking pressurizing hole. Through the pressurizing hole section with the circular hole structure, after the ulna osteotomy angulation is extended to a proper position, a tensile force effect is provided for the steel plate, so that the dorsal horn steel plate is attached to the ulna. The locking hole section and the universal locking hole section are threaded holes, the universal locking hole and the universal locking hole section are both in the prior art, the universal locking hole and the universal locking hole section are identical in structure, one universal locking hole section is provided with a taper thread, the universal locking hole section is in taper thread fit with a nail head of a locking screw, the taper of the universal locking hole section is different from that of the nail head, staggered connection of the threads can be achieved during matching, therefore, the locking screw can deviate from the axis to implant a bone, and the locking hole with the taper thread can be called as a universal locking hole
Further, the inner wall of universal locking hole section includes internal thread and a plurality of guide way, and a plurality of guide ways evenly set up in the inner wall of universal locking hole section along the circumference of universal locking hole section, and the length direction of guide way is parallel with the axis of universal locking hole section. The inner thread is combined with the outer thread of the fastening screw, so that the position of the ulna proximal osteotomy after the angle is prolonged can be maintained by utilizing the occlusion effect of the thread; the guide grooves provide a plurality of deflection angles for the fastening screw, so that the fastening screw can be inserted in different directions.
Further, the internal thread is a multi-start thread. The multi-start thread is provided with two or more threads with spiral grooves, the lead is larger, the distance of the fastening screw advancing along the spiral groove in a circle of rotation is larger, the operation time is shortened, and the bleeding amount of the orthopedic operation is reduced.
Further, the section of the periosteal groove is arc-shaped.
Furthermore, the alpha is 150-175 degrees, and the back side angle steel plate is prefabricated into an alpha angle in a factory. During operation, the steel plate with a proper angle is selected according to clinical needs to be fixed. Preferably, α may be a common angle of 150 °, 155 °, 160 °, 165 °, 170 °, and 175 °.
The utility model has the advantages that:
the contained angle between steel sheet near-end and the steel sheet distal end is alpha, can prefabricate the dorsal part angle steel board of angle commonly used, need not buckle the operation in the art, only need select the angle steel board of suitable angle, and carry out fine adjustment can, greatly made things convenient for the operation. Through universal locking hole section and pressurization hole section, can fix and pressurize the ulna near-end dorsal part, and then realize the attached of angle steel board and ulna. The universal locking hole section adopts universal locking holes, locking screws can be placed into the ulna from multiple directions through the universal locking hole section and the universal locking holes, the ulna is firmly fixed, the difference of individual bone forms can be effectively solved, the locking screws can be conveniently adjusted in the operation, and the locking screws are suitable for the form of the ulna, so that the success rate and operability of the operation are improved, and the operation is more perfect. Through the periosteum recess, reduce the area of contact of steel sheet and ulna, the creeping of periosteum when the bone of being convenient for resumes to grow generates, the patient of being convenient for resumes sooner.
The proximal osteotomy of the ulna is angled and extended, and after the angle and the length in each direction reach the optimal reduction, the angle steel plate with the proper angle and the proper length is selected for dorsal fixation. The angle steel plate is combined with the osteotomy angulation in the operation to prolong the bone defect for bone grafting, and the bone healing rate is improved. After operation, the function exercise can be carried out immediately, good functions can be obtained, and auxiliary plaster or external fixing bracket fixation is not needed, so that the function recovery of the affected limb is better.
Drawings
FIG. 1 is a front view of a dorsal horn steel plate for the proximal end of the ulna.
FIG. 2 is a top view of a dorsal horn steel plate for the proximal end of the ulna.
FIG. 3 is a schematic view of a locking compression hole for the dorsal horn plate of the proximal ulna.
Wherein, 1, the far end of the steel plate; 2. a steel plate proximal end; 3. locking the pressurizing hole; 301. a universal locking hole section; 302. a pressurized bore section; 4. periosteum groove; 5. a universal locking hole.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1-2, the scheme provides a back side angle steel plate for an ulna proximal end, which comprises a steel plate distal end 1, wherein one end of the steel plate distal end 1 extends to form a steel plate proximal end 2, an included angle between the top surfaces of the steel plate distal end 1 and the steel plate proximal end 2 is 160 degrees, and a plurality of locking pressurizing holes 3 and universal locking holes 5 are arranged on the top surfaces of the steel plate distal end 1 and the steel plate proximal end 2.
Specifically, the centers of circles of the locking pressurizing holes 3 and the universal locking holes 5 are located on the central lines of the steel plate near end 2 and the steel plate far end 1, the sum of the numbers of the locking pressurizing holes 3 and the universal locking holes 5 on the steel plate near end 2 and the steel plate far end 1 is 3 and 4 respectively, and the number of the locking pressurizing holes 3 on the steel plate near end 2 and the number of the locking pressurizing holes 3 on the steel plate far end 1 are one. The universal locking holes 5 and the locking pressurizing holes 3 are uniformly arranged along the length direction of the steel plate near end 2 or the steel plate far end 1, and the holes close to the connecting center line of the steel plate far end 1 and the steel plate near end 2 are the locking pressurizing holes 3. The locking pressurizing holes 3 are arranged at the position, so that the ulna and the steel plate can be attached, the other universal locking holes 5 are used for strong fixation, the locking pressurizing holes do not need to be arranged too much, the length of the steel plate is inevitably increased if the locking pressurizing holes are arranged too much, the operation incision is longer, and the wound is larger.
When the universal locking device is used, firstly, the pressurizing screw is placed in the pressurizing hole section 302 in the locking pressurizing hole 3 at the far and near ends of the steel plate, so that the far and near ends of the ulna and the far and near ends of the steel plate are attached, and then the locking screw is placed in the other universal locking holes 5, so that the steel plate is universally locked, and the final stable fixation is realized.
In the use process, after the universal locking hole 5 is provided with the locking screw, the pressing screw in the pressing hole section 302 can be removed, and then the locking screw is arranged in the universal locking hole section 301 for further fixing, so that stronger fixing is provided.
As shown in fig. 3, the locking pressure hole 3 comprises a universal locking hole section 301 and a pressure hole section 302, the universal locking hole section 301 is communicated with the pressure hole section 302, the universal locking hole section 301 is close to the connecting center line of the steel plate far end 1 and the steel plate near end 2, and the cross section of the locking pressure hole 3 is 8-shaped.
Specifically, the pressurizing hole section 302 and the universal locking hole section 301 are both circular holes, the aperture of the pressurizing hole section 301 is smaller than that of the universal locking hole section 301, the centers of the pressurizing hole section 302 and the universal locking hole section 301 are located on the same straight line, the aperture of the pressurizing hole section 302 is smaller than that of the universal locking hole section 301, the pressurizing hole section 302 and the universal locking hole section 301 are partially overlapped to form a locking pressurizing hole 3, and the distance between the centers of the pressurizing hole section 302 and the universal locking hole section 301 is smaller than the sum of the radii of the pressurizing hole section 302 and the universal locking hole section 301.
Further, the inner wall of the universal locking hole section 301 includes an internal thread and a plurality of guide grooves, the internal thread is a multi-start thread, the plurality of guide grooves are uniformly arranged on the inner wall of the universal locking hole section 301 along the circumferential direction of the universal locking hole section 301, and the length direction of the guide grooves is parallel to the axis of the universal locking hole section 301.
As shown in figures 1 and 2, a plurality of periosteum grooves 4 are formed in the surfaces, contacting with the ulna, of the far end 1 and the near end 2 of the steel plate, and the sections of the periosteum grooves 4 are arc-shaped.
Claims (10)
1. The dorsal side angle steel plate for the proximal end of an ulna is characterized by comprising a steel plate far end (1), wherein one end of the steel plate far end (1) extends to form a steel plate near end (2), an included angle between the top surfaces of the steel plate far end (1) and the steel plate near end (2) is alpha, and a plurality of locking pressurizing holes (3) and universal locking holes (5) are formed in the top surfaces of the steel plate far end (1) and the steel plate near end (2);
the locking pressurizing hole (3) comprises a universal locking hole section (301) and a pressurizing hole section (302), the universal locking hole section (301) is communicated with the pressurizing hole section (302), and the universal locking hole section (301) is close to a connecting center line of the far end (1) and the near end (2) of the steel plate;
the steel plate far end (1) and the steel plate near end (2) are provided with a plurality of periosteum grooves (4) on the surface contacted with the ulna.
2. The dorsal horn steel plate for the proximal ulna according to claim 1, wherein the sum of the number of the locking pressure holes (3) and the number of the universal locking holes (5) on the proximal steel plate (2) and the distal steel plate (1) are 3-4.
3. The dorsal horn steel plate for the proximal ulna according to claim 2, characterized in that the number of the locking pressurization holes (3) is one, and the number of the universal locking holes (5) is 2-3.
4. The dorsal horn steel plate for the proximal ulna according to claim 3, characterized in that the locking forcing hole (3) has a cross-section of 8-shape.
5. The dorsal horn steel plate for the proximal ulna according to claim 3, characterized in that the centers of the locking forcing hole (3) and the universal locking hole (5) are located on the center line of the proximal steel plate end (2) and the distal steel plate end (1).
6. The dorsal horn steel plate for the proximal ulna according to claim 5, characterized in that the pressure hole section (302) and the universal locking hole section (301) are circular holes, the centers of the pressure hole section (302) and the universal locking hole section (301) are located on the same straight line, the diameter of the pressure hole section (302) is smaller than that of the universal locking hole section (301), and the pressure hole section (302) and the universal locking hole section (301) are partially overlapped to form the locking pressure hole (3).
7. The dorsal horn steel plate for the proximal ulna according to claim 6, wherein the inner wall of the universal locking hole section (301) comprises an internal thread and a plurality of guide grooves, the plurality of guide grooves are uniformly provided to the inner wall of the universal locking hole section (301) along the circumferential direction of the universal locking hole section (301), and the length direction of the guide grooves is parallel to the axis of the universal locking hole section (301).
8. The dorsal horn steel plate for the proximal ulna according to claim 7, wherein the internal thread is a multi-start thread.
9. The dorsal horn steel plate for the proximal ulna according to claim 1, characterized in that the periosteal groove (4) has an arc-shaped cross section.
10. The dorsal angle steel plate for the proximal ulna according to any one of claims 1 to 9, wherein α is 150 ° to 175 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215789.6U CN213665668U (en) | 2020-09-30 | 2020-09-30 | Back side angle steel plate for ulna near end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215789.6U CN213665668U (en) | 2020-09-30 | 2020-09-30 | Back side angle steel plate for ulna near end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213665668U true CN213665668U (en) | 2021-07-13 |
Family
ID=76751796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022215789.6U Expired - Fee Related CN213665668U (en) | 2020-09-30 | 2020-09-30 | Back side angle steel plate for ulna near end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213665668U (en) |
-
2020
- 2020-09-30 CN CN202022215789.6U patent/CN213665668U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |