CN215129917U - Internal fixation steel plate for bone removal operation - Google Patents
Internal fixation steel plate for bone removal operation Download PDFInfo
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- CN215129917U CN215129917U CN202120959944.7U CN202120959944U CN215129917U CN 215129917 U CN215129917 U CN 215129917U CN 202120959944 U CN202120959944 U CN 202120959944U CN 215129917 U CN215129917 U CN 215129917U
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Abstract
The utility model discloses a provide bone removes interior fixed steel sheet for operation, a serial communication port, include: the steel plate fixing device comprises a steel plate head, a steel plate body, a steel plate tail, a first fixing threaded hole, a Kirschner wire hole, a second fixing threaded hole and a rail; the utility model has the advantages of simple structure and reasonable design, can remove to bone defect department distal end and near-end in the operation at the bone and fix, remove the screw with the bone and pass the internal fixation steel sheet and fix and move the free bone section of cuting, the bone is removed and is fixed the new bone on the fixed steel sheet including the end is direct, make the bone remove move and the internal fixation steel sheet implantation process can only produce a wound to the soft tissue thing, the operation is simplified, the efficiency of the operation is improved, simultaneously, the steel sheet intensity is high, the quality is light, good biological compatibility has.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to internal fixation steel plate for bone removal operation.
Background
The bone moving is to cut off the bone at the near end or the far end of the bone defect part by applying a certain technology, and gradually move the cut-off free bone segment to the bone defect part by using a special external fixing frame, and new bone tissues are formed on the trace of the cut-off free bone segment until the bone defect part is repaired, thereby being a standard treatment method for treating the large-segment bone defect at the present stage; in the prior treatment process, an external fixing frame is adopted to fix a free bone section at the outer side of the leg of a patient for bone moving, and after the bone moving process is finished, an internal fixing steel plate is used for fixing the new bone and the native bone at the inner side or other sides of the leg of the patient, so that the new bone is mineralized naturally; the method can cause two times of wound to the tissue of a patient, and the existence of the external fixing frame can influence the implantation of the internal fixing steel plate, thereby invisibly increasing the difficulty of the operation; therefore, the internal fixation steel plate for the bone moving operation has the advantages of simple structure and reasonable design, can fix the far end and the near end of the bone defect part in the bone moving operation, uses a bone moving screw to penetrate through the internal fixation steel plate to fix and move the cut free bone section, directly fixes the new bone on the internal fixation steel plate after the bone moving is finished, only generates one wound on soft tissue in the bone moving and internal fixation steel plate implanting processes, simplifies the operation, improves the operation efficiency, and has high steel plate strength, light weight and excellent biological compatibility.
SUMMERY OF THE UTILITY MODEL
The utility model provides an internal fixation steel plate for bone removal operation, simple structure, reasonable in design can fix the bone defect department far end and near end in the bone removal operation, pass the internal fixation steel plate with the bone removal screw and fix and remove the free bone section of truncation, directly fix the new bone on the internal fixation steel plate after the bone removal, make bone removal and internal fixation steel plate implantation process only produce a wound to the soft tissue thing, simplify the operation, improve the operation efficiency, the steel plate intensity is high simultaneously, the quality is light, has good biological compatibility;
in order to achieve the purpose, the technical scheme adopted by the utility model is an internal fixation steel plate for bone displacement surgery, which comprises a steel plate head, a steel plate body, a steel plate tail, a first fixation threaded hole, a Kirschner wire hole, a second fixation threaded hole and a track;
the far end of the head of the steel plate is connected with the near end of the steel plate body, and the far end of the steel plate body is connected with the near end of the tail of the steel plate; the far and near end of the steel plate head and two ends perpendicular to the axis of the far and near end are respectively provided with a first fixing threaded hole, and four Kirschner wire holes are also arranged between the first threaded holes on the steel plate head; a row of second fixing threaded holes are formed in the axis from the near end to the far end of the steel plate body, the second fixing threaded holes are equidistant, meanwhile, a rail is cut on the axis from the near end to the far end of the steel plate body, and the rail is superposed on the first fixing threaded holes; two first fixing threaded holes are formed in the tail portion of the steel plate, and two Kirschner wire holes are formed in the tail portion of the steel plate from the near axis to the far axis;
furthermore, the whole material of the steel plate is titanium alloy which has high strength, light weight and excellent biological compatibility;
furthermore, the first fixing threaded hole and the second fixing threaded hole have the same aperture and are uniformly divided into an upper threaded hole and a lower threaded hole, the lower threaded hole is cylindrical, and the upper threaded hole is in a circular truncated cone shape;
further, the rail is connected with a second fixing threaded hole from near to far on the steel plate body, and the width of the rail is smaller than the aperture of the second fixing threaded hole;
further, the diameter of the Kirschner wire hole is 2 mm.
The utility model has the advantages that:
this internal fixation steel sheet for bone removal operation, simple structure, reasonable in design can remove the operation in the bone and fix bone defect department distal end and near-end, removes the screw with the bone and passes the internal fixation steel sheet and fix and remove the free bone section of truncation, the bone removes directly after the end and fixes the new bone on the internal fixation steel sheet, make the bone remove and the internal fixation steel sheet implantation process can only produce a wound to the soft tissue thing, the operation is simplified, the operation efficiency is improved, simultaneously the steel sheet intensity is high, the quality is light, has good biological compatibility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an internal fixation plate for bone grafting;
FIG. 2 is a top view of an internal fixation plate for bone grafting;
FIG. 3 is a side cross-sectional view of an internal fixation plate for bone grafting surgery 1;
FIG. 4 is a side cross-sectional view 2 of an internal fixation plate for bone grafting;
in the drawings, the components represented by the respective reference numerals are listed below:
1-steel plate head, 2-steel plate body, 3-steel plate tail, 4-first fixed threaded hole, 5-Kirschner wire hole, 6-second fixed threaded hole and 7-rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 4, the structure of the internal fixation steel plate for bone migration surgery is characterized by comprising a steel plate head 1, a steel plate body 2, a steel plate tail 3, a first fixation threaded hole 4, a kirschner wire hole 5, a second fixation threaded hole 6 and a rail 7;
the far end of the steel plate head 1 is connected with the near end of the steel plate body 2, and the far end 2 of the steel plate body is connected with the near end of the steel plate tail 3; the far and near ends of the steel plate head 1 and the two ends perpendicular to the axis of the far and near ends are respectively provided with a first fixed threaded hole 4, and four Kirschner wire holes 5 are also arranged between the first threaded holes 4 on the steel plate head 1; a row of second fixing threaded holes 6 are formed in the axis from the near end to the far end of the steel plate body 2, the second fixing threaded holes 6 are equidistant, meanwhile, a rail 7 is cut on the axis from the near end to the far end of the steel plate body 2, and the rail 7 is superposed on the first fixing threaded holes 6; two first fixed threaded holes 4 are formed in the tail portion 3 of the steel plate, and two Kirschner wire holes 5 are formed in the tail portion 3 of the steel plate from the near axis to the far axis;
the whole material of the steel plate is titanium alloy, the titanium alloy has high strength, light weight and excellent biocompatibility, so that the internal fixation steel plate has enough support toughness, the movement of a patient cannot be influenced by overweight when the internal fixation steel plate is implanted into soft tissues under the skin of a human body, and simultaneously irritation to subcutaneous soft tissues cannot be caused;
the first fixing threaded hole 4 and the second fixing threaded hole 6 are consistent in aperture and are divided into an upper threaded hole and a lower threaded hole, the lower threaded hole is cylindrical and used for fixing a screw, and the upper threaded hole is in a truncated cone shape and used for fixing a nut of the screw, so that the screw is fixed more firmly;
the rail 7 is connected with the second fixing threaded hole 6 on the steel plate body 2 from near to far, and the width of the rail 7 is smaller than the aperture of the second fixing threaded hole 6; the track 7 is used for a free bone fixing screw to pass through and slide in the track 7;
the diameter of the Kirschner wire hole 5 is 2mm, and the Kirschner wire is used for positioning the steel plate when the steel plate is fixed.
The specific operation mode and the realization principle are as follows:
the internal fixation steel plate for the bone moving operation is characterized in that firstly, the near end of the internal fixation steel plate is opposite to the near end of a bone defect part, the far end of the internal fixation steel plate is opposite to the far end of the bone defect part of a patient, and a steel plate body 2 is opposite to a cut free bone section; secondly, a Kirschner wire penetrates through Kirschner wire holes 5 in the head part 1 and the tail part 3 of the steel plate to position the steel plate, fixing screws penetrate through first fixing threaded holes 4 to fix the internally fixed steel plate, four fixing screws are arranged at the head part of the steel plate, and two fixing screws are arranged at the tail part 3 of the steel plate; then, the cut free bone segments are fixed by bone moving screws through the rail 7; then, fixing and drawing the bone moving screw to move by using an external fixing frame, thereby slowly moving the cut free bone section; and finally, after the bone is moved, fixing the free bone segments by using fixing screws to penetrate through the second fixing threaded holes 6 of the inner fixing steel plate, and mineralizing the new bone.
In conclusion, the internal fixation steel plate for the bone moving operation has the advantages of simple structure and reasonable design, the far end and the near end of a bone defect part can be fixed in the bone moving operation, a bone moving screw penetrates through the internal fixation steel plate to fix and move a cut free bone section, and a new bone is directly fixed on the internal fixation steel plate after the bone moving is finished, so that only one wound is generated on soft tissues in the bone moving and internal fixation steel plate implanting processes, the operation is simplified, and the operation efficiency is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An internal fixation steel plate for bone grafting operation, comprising: the steel plate fixing device comprises a steel plate head, a steel plate body, a steel plate tail, a first fixing threaded hole, a Kirschner wire hole, a second fixing threaded hole and a rail;
the far end of the head of the steel plate is connected with the near end of the steel plate body, and the far end of the steel plate body is connected with the near end of the tail of the steel plate; the far and near end of the steel plate head and two ends perpendicular to the axis of the far and near end are respectively provided with a first fixing threaded hole, and four Kirschner wire holes are also arranged between the first threaded holes on the steel plate head; a row of second fixing threaded holes are formed in the axis from the near end to the far end of the steel plate body, the second fixing threaded holes are equidistant, meanwhile, a rail is cut on the axis from the near end to the far end of the steel plate body, and the rail is superposed on the first fixing threaded holes; two first fixing threaded holes are formed in the tail portion of the steel plate, and two Kirschner wire holes are formed in the tail portion of the steel plate from a near axis to a far axis.
2. The steel plate of claim 1, wherein the steel plate is made of titanium alloy, and the titanium alloy has high strength, light weight, and excellent biocompatibility.
3. The internal fixation steel plate for bone removal surgery as recited in claim 1, wherein the first and second fixation screw holes have a uniform diameter and are divided into an upper and a lower screw hole, the lower screw hole having a cylindrical shape and the upper screw hole having a truncated cone shape.
4. The internal fixation steel plate for bone removal surgery as recited in claim 1, wherein the rail is connected to the second threaded fixation hole from the proximal end to the distal end of the steel plate body, and the width of the rail is smaller than the diameter of the second threaded fixation hole.
5. The internal fixation steel plate for bone grafting surgery as recited in claim 1, wherein the kirschner wire holes have a diameter of 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120959944.7U CN215129917U (en) | 2021-05-07 | 2021-05-07 | Internal fixation steel plate for bone removal operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120959944.7U CN215129917U (en) | 2021-05-07 | 2021-05-07 | Internal fixation steel plate for bone removal operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129917U true CN215129917U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120959944.7U Active CN215129917U (en) | 2021-05-07 | 2021-05-07 | Internal fixation steel plate for bone removal operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129917U (en) |
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2021
- 2021-05-07 CN CN202120959944.7U patent/CN215129917U/en active Active
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