CN215960129U - High-order osteotomy of shin bone is with cutting bone baffle - Google Patents
High-order osteotomy of shin bone is with cutting bone baffle Download PDFInfo
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- CN215960129U CN215960129U CN202122402194.6U CN202122402194U CN215960129U CN 215960129 U CN215960129 U CN 215960129U CN 202122402194 U CN202122402194 U CN 202122402194U CN 215960129 U CN215960129 U CN 215960129U
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Abstract
The utility model discloses a bone cutting guide plate for a high tibial osteotomy, which has the technical scheme main points that: comprises a first guide plate, wherein the top surface of the first guide plate is provided with an installation groove, one side of the first guide plate is provided with a second guide plate, an adjusting component is arranged inside the first guide plate, the adjusting component comprises a fixing groove, the fixing groove is arranged on the inner bottom surface of the mounting groove, a fixing column is movably sleeved in the fixing groove, a main bevel gear is fixedly sleeved on the outer circle wall surface of the fixing column, a rectangular groove is formed in the inner circle wall surface of the mounting groove, a fixing hole is formed in one side of the first guide plate and communicated with the rectangular groove, the adjusting component is mounted through the mounting groove, and the adjusting component is arranged, is used for adjusting the knee joint osteoarthritis biomechanical line, avoids the problem that when a patient needs to cut the tibia again, need demolish the change installation to this high-order bone conduction board of cutting of shin bone, cause the secondary damage to patient's shin bone.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a bone cutting guide plate for a high tibial osteotomy.
Background
Tibial (high) osteotomies are primarily used for the surgical treatment of osteoarthritis. Knee osteoarthritis can often be associated with varus or valgus deformity. In knee varus, stress is concentrated in the medial portion of the knee and accelerates the progression of degenerative changes that occur inside the knee. Conversely, if the knee joint is deformed in an eversion position, these changes occur in the lateral portion of the knee joint. The primary purpose of osteotomies is to improve knee joint function by correcting the knee joint axis and increasing the stability of the joint.
For example, the utility model discloses chinese patent with publication number CN209004112U, this utility model relates to the field of medical equipment, especially relates to a high-order osteotomy baffle of shin bone. The utility model provides a tibia high-position osteotomy guide plate which comprises a guide plate body used for being attached to the inner side surface of a tibia, wherein the outer surface of the guide plate body is provided with a plurality of transverse osteotomy guide holes and a plurality of ascending osteotomy guide holes. The tibia high-position osteotomy guide plate and the design method thereof provided by the utility model can effectively improve the precision of a tibia osteotomy operation, have the effects of shortening the operation time, reducing the radiation dose of doctors and patients and ensuring the accurate implementation of preoperative planned osteotomy, but when the patient needs to perform osteotomy again, the tibia high-position osteotomy guide plate needs to be detached, replaced and installed, and at the moment, the tibia of the patient is damaged secondarily.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a bone cutting guide plate for high tibial osteotomy, which solves the problems.
The technical purpose of the utility model is realized by the following technical scheme:
an osteotomy guide for a high tibial osteotomy, comprising: the knee joint osteoarthritis treatment device comprises a first guide plate, wherein a mounting groove is formed in the top surface of the first guide plate, a second guide plate is arranged on one side of the first guide plate, and an adjusting component is arranged inside the first guide plate and used for adjusting knee joint osteoarthritis biomechanical lines.
Through adopting above-mentioned technical scheme, be used for installing adjusting part through setting up the mounting groove, through setting up adjusting part for adjust knee joint osteoarthritis biomechanical line, when avoiding the patient to cut the shin bone once more, need demolish to this shin bone high-order osteotomy baffle and lead to the fact secondary damage to patient's shin bone when changing the installation.
Preferably, the adjusting assembly comprises: the fixing groove is formed in the inner bottom face of the mounting groove, a fixing column is sleeved inside the fixing groove in a movable mode, a main conical gear is sleeved on an outer circle wall face of the fixing column in a fixed mode, a rectangular groove is formed in an inner circle wall face of the mounting groove, a fixing hole is formed in one side of the first guide plate and communicated with the rectangular groove, a stud is movably sleeved in the fixing hole in a sleeved mode, an auxiliary conical gear is sleeved on an outer circle wall face of the stud in a fixed mode, and the auxiliary conical gear is meshed with the main conical gear.
Through adopting above-mentioned technical scheme, be used for the installation fixed column through setting up the fixed slot, through setting up main bevel gear and vice bevel gear meshing, adjust distance between first baffle second baffle.
Preferably, the top surface of the fixing column is provided with a cross groove.
Through adopting above-mentioned technical scheme, be convenient for rotate the fixed column through setting up the cross recess, the gear rotation that makes drives the double-screw bolt and rotates.
Preferably, the top surface of the second guide plate is provided with a limiting hole, a limiting nail is movably sleeved in the limiting hole, one side of the second guide plate is provided with a thread groove, the thread groove is communicated with the limiting hole, and the thread groove is in threaded connection with the stud.
Through adopting above-mentioned technical scheme, fix the spacing nail through setting up spacing hole, fix the length of double-screw bolt in the thread groove through setting up the spacing nail, make first baffle be connected through the double-screw bolt with the second baffle through setting up the thread groove.
Preferably, four sliding grooves are fixedly installed on one side face, close to the first guide plate, of the second guide plate, four guide pillars are fixedly installed on one side face, close to the second guide plate, of the first guide plate, and the first guide plate and the second guide plate are movably sleeved with the guide pillars through the sliding grooves.
Through adopting above-mentioned technical scheme, be used for installing the guide pillar through setting up the spout, be used for guiding the double-screw bolt and remove and fixed second baffle can not take place the skew in the thread groove through setting up the guide pillar.
Preferably, a plurality of counter bores are formed in the top surfaces of the first guide plate and the second guide plate, fixing nails are movably sleeved in the counter bores and connected with the shin bones.
Through adopting above-mentioned technical scheme, install the staple through setting up the counter sink, fix first baffle and second baffle on the shin bone through setting up the staple.
In summary, the utility model mainly has the following beneficial effects:
be used for installing adjusting part through setting up the mounting groove, through setting up adjusting part, be used for adjusting knee joint osteoarthritis biology line, when avoiding the patient to cut the shin bone once more, need demolish the change installation to this high-order bone cutting baffle of shin bone, cause the secondary injury to patient's shin bone, be used for the installation fixed column through setting up the fixed slot, through setting up main bevel gear and vice bevel gear engagement, adjust distance between the first baffle second baffle, through setting up, be convenient for rotate the fixed column through setting up the cross recess, the gear revolve drive double-screw bolt of messenger rotates.
Fix the stop pin through setting up spacing hole, fix the length of double-screw bolt in the thread groove through setting up the stop pin, make first baffle be connected through the double-screw bolt with the second baffle through setting up the thread groove, be used for installing the guide pillar through setting up the spout, be used for guiding the double-screw bolt and can not take place the skew at the removal that the thread groove comes and fixed second baffle through setting up the guide pillar, install the staple through setting up the counter sink, fix first baffle and second baffle on the shin bone through setting up the staple.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first guide plate according to the present invention in a disassembled configuration;
FIG. 3 is an enlarged partial view of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic view of the second guide plate of the present invention.
Reference numerals: 1. a first guide plate; 2. mounting grooves; 3. a second guide plate; 4. a countersunk hole; 5. fixing grooves; 6. fixing a column; 7. a cross groove; 8. a main bevel gear; 9. a rectangular groove; 10. a fixing hole; 11. a stud; 12. a secondary bevel gear; 13. a limiting hole; 14. a limit pin; 15. a thread groove; 16. a chute; 17. a guide post; 18. and (5) fixing the nail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2 and 3, an osteotomy guide for high tibial osteotomy comprises: first baffle 1, first baffle 1 is the titanium alloy board, mounting groove 2 has been seted up to the top surface of first baffle 1, be used for installing adjusting part through setting up mounting groove 2, one side of first baffle 1 is provided with second baffle 3, second baffle 3 is the titanium alloy board, the inside of first baffle 1 is provided with adjusting part, be used for adjusting knee joint osteoarthritis biological force line, through setting up adjusting part, be used for adjusting knee joint osteoarthritis biological force line, when avoiding the patient need cut the shin bone once more, need demolish the change installation to this shin bone high-order osteotomy baffle, cause secondary damage to patient's shin bone, adjusting part includes: a fixing groove 5, the fixing groove 5 is formed on the inner bottom surface of the mounting groove 2, a fixing column 6 is movably sleeved in the fixing groove 5, the fixing groove 5 is used for mounting the fixing column 6, a main bevel gear 8 is fixedly sleeved on the outer circular wall surface of the fixing column 6, the main bevel gear 8 is the prior art and is not described herein in detail, a rectangular groove 9 is formed on the inner circular wall surface of the mounting groove 2, a fixing hole 10 is formed on one side of the first guide plate 1, the fixing hole 10 is communicated with the rectangular groove 9, a stud 11 is movably sleeved in the fixing hole 10, a secondary bevel gear 12 is fixedly sleeved on the outer circular wall surface of the stud 11, the secondary bevel gear 12 is the prior art and is not described herein in detail, the secondary bevel gear 12 is meshed with the main bevel gear 8, the distance between the first guide plate 1 and the second guide plate 3 is adjusted by arranging the main bevel gear 8 to be meshed with the secondary bevel gear 12, a cross groove 7 is formed on the top surface of the fixing column 6, the cross groove 7 is arranged to facilitate the rotation of the fixing column 6, so that the gear rotates to drive the stud 11 to rotate.
Referring to fig. 1, 2 and 4, a limiting hole 13 is formed in the top surface of the second guide plate 3, a limiting nail 14 is movably sleeved inside the limiting hole 13, the limiting nail 14 is fixed by the limiting hole 13, the length of the stud 11 in the thread groove 15 is fixed by the limiting nail 14, a thread groove 15 is formed in one side of the second guide plate 3, the thread groove 15 is communicated with the limiting hole 13, the thread groove 15 is in threaded connection with the stud 11, the first guide plate 1 is connected with the second guide plate 3 through the stud 11 by the thread groove 15, four slide grooves 16 are fixedly installed on one side surface of the second guide plate 3 close to the first guide plate 1, four guide posts 17 are fixedly installed on one side surface of the first guide plate 1 close to the second guide plate 3, the guide posts 17 are of a cylindrical structure, the first guide plate 1 and the second guide plate 3 are movably sleeved together through the slide grooves 16 and the guide posts 17, the slide grooves 16 are used for installing the guide posts 17, be used for guiding double-screw bolt 11 to remove and fixed second baffle 3 can not take place the skew in thread groove 15 through setting up guide pillar 17, a plurality of counter sink 4 has all been seted up to the top surface of first baffle 1 and second baffle 3, and the inside activity cover of counter sink 4 is equipped with staple 18, and staple 18 is connected with the shin bone, installs staple 18 through setting up counter sink 4, fixes first baffle 1 and second baffle 3 on the shin bone through setting up staple 18.
The working principle is as follows: referring to fig. 1-4, when a patient performs a high tibial osteotomy, a surgeon resects a portion of the tibia, then the resected tibia is connected together by a fixed nail 18 through a bone cutting guide plate, the angle of the resected tibia is adjusted by an adjusting component installed in the installation groove 2, the surgeon uses a special cross screwdriver to clamp the tibia in the cross groove 7, rotates the cross groove 7 to drive the main bevel gear 8 on the fixed column 6 to rotate, the rotating main bevel gear 8 drives the auxiliary bevel gear 12 to rotate, so that the stud 11 rotates, because the stud 11 is connected with the thread groove 15, when the stud 11 rotates forward, the second guide plate 3 moves towards the first guide plate 1 to increase the knee osteoarthritis biological force line angle, when the stud 11 rotates backward, the second guide plate 3 is far away from the first guide plate 1 to decrease the knee osteoarthritis biological force line angle, when the patient need cut the bone to the shin bone once more, the doctor will not need to cut the bone again after removing the bone cutting baffle, and the doctor can adjust the size of knee joint osteoarthritis biomechanical line angle through the rotation to fixed column 6 to reduce the secondary injury to patient's shin bone.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high osteotomy of shin bone is with cutting bone baffle which characterized in that includes: the knee joint osteoarthritis treatment device comprises a first guide plate (1), wherein a mounting groove (2) is formed in the top surface of the first guide plate (1), a second guide plate (3) is arranged on one side of the first guide plate (1), and an adjusting component is arranged inside the first guide plate (1) and used for adjusting the knee joint osteoarthritis biological force line.
2. The osteotomy guide for high tibial osteotomy of claim 1, wherein said adjustment assembly comprises: fixed slot (5), the inside bottom surface at mounting groove (2) is seted up in fixed slot (5), the inside movable sleeve of fixed slot (5) is equipped with fixed column (6), the fixed cover of excircle wall of fixed column (6) is equipped with main bevel gear (8), rectangular channel (9) have been seted up to the interior circle wall of mounting groove (2), fixed orifices (10) have been seted up to one side of first baffle (1), fixed orifices (10) are linked together with rectangular channel (9), the movable sleeve is equipped with double-screw bolt (11) in fixed orifices (10), the fixed cover of excircle wall of double-screw bolt (11) is equipped with vice bevel gear (12), vice bevel gear (12) and main bevel gear (8) mesh mutually.
3. The osteotomy guide plate for high tibial osteotomy according to claim 2, wherein said fixation post (6) has a cross-shaped slot (7) in its top surface.
4. The osteotomy guide plate for the high tibial osteotomy according to claim 1, wherein a limiting hole (13) is formed in a top surface of the second guide plate (3), a limiting nail (14) is movably sleeved inside the limiting hole (13), a thread groove (15) is formed in one side of the second guide plate (3), the thread groove (15) is communicated with the limiting hole (13), and the thread groove (15) is in threaded connection with the stud (11).
5. The osteotomy guide plate for the high tibial osteotomy according to claim 1, wherein four sliding grooves (16) are fixedly mounted on one side surface of the second guide plate (3) close to the first guide plate (1), four guide posts (17) are fixedly mounted on one side surface of the first guide plate (1) close to the second guide plate (3), and the first guide plate (1) and the second guide plate (3) are movably sleeved with the guide posts (17) through the sliding grooves (16).
6. The osteotomy guide plate for the high tibial osteotomy according to claim 1, wherein a plurality of counter bores (4) are formed in the top surfaces of the first guide plate (1) and the second guide plate (3), a fixing nail (18) is movably sleeved inside each counter bore (4), and the fixing nail (18) is connected with the tibia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122402194.6U CN215960129U (en) | 2021-10-07 | 2021-10-07 | High-order osteotomy of shin bone is with cutting bone baffle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122402194.6U CN215960129U (en) | 2021-10-07 | 2021-10-07 | High-order osteotomy of shin bone is with cutting bone baffle |
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| CN215960129U true CN215960129U (en) | 2022-03-08 |
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| CN202122402194.6U Active CN215960129U (en) | 2021-10-07 | 2021-10-07 | High-order osteotomy of shin bone is with cutting bone baffle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060544A1 (en) * | 2022-09-21 | 2024-03-28 | 北京长木谷医疗科技有限公司 | Method and system for intelligent design of positioning apparatus for knee joint with complex synostosis |
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2021
- 2021-10-07 CN CN202122402194.6U patent/CN215960129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060544A1 (en) * | 2022-09-21 | 2024-03-28 | 北京长木谷医疗科技有限公司 | Method and system for intelligent design of positioning apparatus for knee joint with complex synostosis |
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