CN114129247A - Stable fixing bone plate for high-position tibia osteotomy - Google Patents
Stable fixing bone plate for high-position tibia osteotomy Download PDFInfo
- Publication number
- CN114129247A CN114129247A CN202010922757.1A CN202010922757A CN114129247A CN 114129247 A CN114129247 A CN 114129247A CN 202010922757 A CN202010922757 A CN 202010922757A CN 114129247 A CN114129247 A CN 114129247A
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- Prior art keywords
- bone plate
- fixing
- plate portion
- tibia
- plate
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 64
- 210000002303 tibia Anatomy 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 claims description 2
- 241000446313 Lamella Species 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 4
- 210000000629 knee joint Anatomy 0.000 description 6
- 208000006820 Arthralgia Diseases 0.000 description 2
- 241000083547 Columella Species 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8095—Wedge osteotomy devices
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a stable fixing bone plate for High Tibial Osteotomy (HTO), which comprises: a vertical plate portion and a transverse plate portion transversely arranged from the top end of the vertical plate portion, wherein a plurality of fixing holes are arranged on the vertical plate portion and the transverse plate portion in a penetrating mode, a protruding column extends from the rear side of at least one fixing hole of the transverse plate portion, and the fixing hole penetrates through the protruding column. When the invention is applied, the convex column is inserted into the tibial bone part of a patient after osteotomy, so that a screw can pass through the convex column and then is locked into the tibia, and the rear section of the screw is screwed and locked in the fixing hole of the transverse plate part, so that the shearing force generated between the tibia and the fixing bone plate of the patient is not directly acted on the screw but acted on the convex column, and the screw is prevented from being broken due to the shearing force.
Description
Technical Field
The invention relates to a stable fixing bone plate for a high-position tibia osteotomy.
Background
Currently, a knee joint replacement operation is usually performed on a patient with knee joint pain, and the knee joint replacement operation is completed by cutting off a top tibial segment and a bottom femoral segment of the patient and then installing an artificial knee joint device between a femur and a tibia.
For the knee joint pain pathological changes, most patients are caused by the abrasion of the inner knee joint surface, the high-position tibia osteotomy operation is to manufacture an osteotomy tangent line above the inner side of the tibia of the patient, open the tibia to a preset angle from the tangent line, fix tibia bone blocks at two sides of the osteotomy by a bone plate, correct the stress line of the patient, relieve the pressure at the inner side of the tibia, and eliminate or relieve the pain of the patient.
A bone plate used in a high tibial osteotomy, as shown in CN 106163434 a, includes a head formed with a plurality of head screw holes, and an elongated plate having an upper screw hole, a lower screw hole, and a long hole formed between the upper screw hole and the lower screw hole; similar to the above, the bone plate is disclosed in taiwan patent TWI655926, taiwan patent TWM525169, US5827286, US6852113, and the like.
Since the bone plate for high tibial osteotomy is required to fix the distracted tibia, when the tibia is not completely fused, the entire weight of the patient ' S body is borne by the bone plate, and since the above-mentioned conventional bone plate for high tibial osteotomy is locked between the upper and lower tibia 21, 22 after the patient ' S tibia is cut as shown in fig. 1, 2, the downward weight W borne by the cut upper tibia 21 is not borne by the bone plate P but directly borne by the screw S, and the reaction force generated by the cut lower tibia 22 is applied to the bone plate P by the screw S ', so that a shearing force is generated between the bone plate P and the upper tibia 21, when the patient moves more vigorously, stress concentration is easily generated at the screw thread of the screw S, causing the screw S to break, as shown in fig. 2 at B, and if the screw S breaks, the bone plate P cannot stably fix the cut tibia, failing the high tibial osteotomy.
In addition, as shown in fig. 2, the screw S is usually a self-tapping screw directly drilled through the tibia 21, because the thread of the screw S is directly twisted into the dense bone regions 210 and 220 of the upper and lower tibia 21 and 22, and because the thread is a V-shaped thread, the V- shaped cutting grooves 211 and 221 are formed on the dense bone regions 210 and 220 of the tibia, when the upper and lower tibia 21 and 22 are stressed, stress concentration is very easily generated on the V- shaped cutting grooves 211 and 221, which causes the upper and lower tibia 21 and 22 to crack.
Accordingly, it is a key to the success of the present operation to ensure that the screw for fixing the bone plate in the high tibial osteotomy procedure does not break during the patient's recovery stage or cause the tibia to crack, but the bone plate currently used in the present operation cannot effectively improve the bearing strength of the screw, which prevents the limited external diameter of the human tibia and cannot improve the strength of the screw by increasing the diameter of the screw.
Disclosure of Invention
The invention aims to provide a stable fixing bone plate for high tibial osteotomy, which comprises: a vertical plate portion and a horizontal plate portion transversely arranged from the top end of the vertical plate portion, wherein a plurality of fixing holes are arranged on the vertical plate portion and the horizontal plate portion in a penetrating mode, a protruding column extends from the rear side of at least one fixing hole of the horizontal plate portion, and the protruding column penetrates through the fixing holes.
The invention discloses a stable fixing bone plate for high tibial osteotomy, wherein the protruded column is a conical column.
The invention discloses a stable fixing bone plate for a high-position tibia osteotomy, wherein a fixing hole is formed by a single thread or a multiple thread; the fixing hole formed by the multiple threads can prevent the locked screw from loosening and shorten the time for locking the screw due to the movement of a patient, so that the bone plate can tightly fix the cut tibia, the success rate of the high-position tibia osteotomy operation is improved, and the operation time is reduced.
The invention discloses a stable fixing bone plate for high tibial osteotomy, wherein the fixing hole is a taper hole.
The invention discloses a stable fixing bone plate for high-position tibia osteotomy, wherein three fixing holes are arranged on a transverse plate part in a penetrating way, and the fixing holes are arranged in a triangular mode instead of being positioned on the same straight line. In the three fixing holes, the axial leads of the two fixing holes are parallel to each other and form an included angle with the axial lead of the other fixing hole.
The invention discloses a stable fixing bone plate for high tibia osteotomy, wherein three fixing holes are arranged on a transverse plate part in a penetrating way, the fixing holes are arranged in a triangular shape instead of being positioned on the same straight line, and the axial lead of the fixing hole positioned at the lower part is in an upward inclined shape so as to guide a screw to be locked into the upper tibia which is cut in an upward inclined manner, and form an included angle with other screws locked into the bone plate, so that the bone plate is tightly fastened on the outer edge of the upper tibia which is cut.
The invention discloses a stable fixing bone plate for high tibial osteotomy, wherein a protruding column extends from the rear side of each fixing hole of the transverse plate part, and a fixing hole penetrates through the protruding column.
The cross section of the transverse plate part is arc-shaped, so that the transverse plate part can conform to the shape of the outer surface of the cut upper radial bone to be tightly abutted against the surface of the tibia.
The invention discloses a stable fixing bone plate for high-position tibia osteotomy, wherein the hole edge of at least one fixing hole of a longitudinal plate part is concavely provided with a channel part for locking a pressurizing screw firstly to pressurize the rotating shaft side of an osteotomy block, and after pressurizing, the rest screws are locked and fixed, and then the pressurizing screw is taken out to replace the locking screw, thereby increasing the overall stability.
Drawings
Fig. 1 is a schematic view of a bone plate for a conventional high tibial osteotomy.
Fig. 2 is a cross-sectional view of a conventional bone plate mounted to the tibia.
Fig. 3 is a rear perspective view of the first embodiment of the present invention.
Fig. 4 is a front view of the first embodiment of the present invention.
Fig. 5 is an exploded perspective view of the first embodiment of the present invention mounted on a tibia.
Fig. 6 is a perspective view of the first embodiment of the present invention mounted to the posterior of the tibia.
Fig. 7 is a schematic cross-sectional view taken in the direction of 7-7 in fig. 6.
Fig. 8 is a perspective view of a second embodiment of the present invention.
Fig. 9 is a perspective view of a third embodiment of the present invention.
Fig. 10 is a perspective view of a fourth embodiment of the present invention.
Description of reference numerals:
10 bone plate 11 longitudinal plate part 111 fixing hole
L axis 122 columella 21 upper tibia
22 lower tibia 23 hole 30 nail.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Referring to fig. 3 to 7, the present invention relates to a stable bone plate 10 for high tibial osteotomy, comprising: a vertical plate 11 and a horizontal plate 12 transversely disposed from the top of the vertical plate 11, wherein a plurality of fixing holes 111, 121 are formed through the vertical plate 11 and the horizontal plate 12, and a protruding column 122 extends behind at least one fixing hole 121 of the horizontal plate 12, and the protruding column 122 penetrates through the fixing hole 121. Thus, when the present invention is applied, the stud 122 is inserted into the predetermined hole 23 of the cut upper tibia 21, and the screw 30 is inserted through the fixing hole 121 and locked into the upper tibia 21, so that the shearing force generated between the upper tibia 21 and the bone plate 10 does not directly act on the screw 30, but is borne by the stud 122 integrally formed with the bone plate 10, thereby completely avoiding the problem of fracture of the screw 30 in the post-operative rehabilitation stage of the patient, and the stud 122 has a flat surface, which does not cause fracture of the upper tibia 21, thereby showing the advantages of the present invention.
The present invention discloses a stable fixing bone plate 10 for high tibial osteotomy, wherein the cross-section of the protruded column 122 can be circular or elliptical, but the present invention is not limited to the shape; in addition, the surface of the stud 122 may be smooth, rough or have a plurality of micro-holes, which is not limited in the invention.
The present invention discloses a stable bone plate 10 for high tibial osteotomy, wherein the protruded column 122 is a tapered column or a column with an equal diameter, but the present invention is not limited thereto.
The present invention discloses a stable fixing bone plate 10 for high tibial osteotomy, wherein the fixing holes 111, 121 can be smooth holes as shown in fig. 8, 9 or fig. 3, so that the fixing holes 111, 121 are screw holes formed by single thread or double thread; the fixing holes 111, 121 formed by the multiple threads can prevent the locked screw 30 from loosening from the bone plate 10 due to the movement of the patient, and prevent the bone plate 10 from sliding on the screw 30, which results in the incapability of fixing the resected tibia 21, 22.
The invention discloses a stable fixing bone plate for high tibial osteotomy, wherein the fixing holes 111 and 121 are tapered fixing holes, so that the heads of screws 30 can abut against the fixing holes 111 and 121. Referring to fig. 7, the stable fixing bone plate 10 for high tibial osteotomy disclosed in the present invention is a tapered and threaded fixing hole 111, 121 for screwing a head 31 of a screw 30 having an external thread therein, so that the screw 30 can be tightly locked in the fixing hole 111 or 121 of the bone plate 10 without being easily loosened.
The invention discloses a stable fixing bone plate 10 for high tibial osteotomy, wherein at least one fixing hole 121 is arranged on a transverse plate part 12 in a penetrating way, and the fixing holes 121 are arranged on different straight lines.
The stable fixing bone plate 10 for high tibial osteotomy disclosed in the present invention, wherein three fixing holes 121 are formed on the transverse plate 12, and each fixing hole 121 is arranged in a triangle shape, as shown by the shape labeled T in fig. 4, and the axis L of the fixing hole 121 located at the lower side is inclined upward as shown in fig. 7, so as to guide the screw 30 to be inclined upward and locked into the upper tibia 21 to be cut, and not parallel to other screws 30 locked into the transverse plate 12, so that the bone plate 10 can be fastened on the outer edge of the upper tibia 21 to be cut. The two fixing holes 121 located above can make their axes parallel to each other, but the invention is not limited thereto. As shown in fig. 4, the lateral plate 12 of the present invention may extend laterally from one side of the vertical plate 11; alternatively, as shown in fig. 10, the horizontal plate 12 may extend outward and horizontally from both sides of the vertical plate 11, but the invention is not limited thereto.
As shown in fig. 3, the stable bone plate 10 for high tibial osteotomy disclosed in the present invention comprises a protruding column 122 extending from the rear side of each fixing hole 121 of the transverse plate 12, and a fixing hole 121 penetrating through the protruding column 122, so that a plurality of protruding columns 122 can be inserted into the holes 23 defined in the upper tibia 21 or the lower tibia 22 to be resected. Alternatively, as shown in fig. 8, the present invention may also be configured such that a post 122 extends from the rear side of a part of the fixing hole 121 of the horizontal plate portion 12, and the fixing hole 121 penetrates through the post.
The present invention discloses a stable fixing bone plate for high tibial osteotomy, wherein the cross section of the transverse plate portion 12 is curved according to a curve, so that the transverse plate portion 12 can conform to the contour of the upper radial bone 21 after being cut, and can be tightly abutted against the surface of the tibia 21.
The invention discloses a stable fixing bone plate for a high-position tibia osteotomy, wherein the transverse plate part to the longitudinal plate part are curved along a curve to conform to the outer curve of the tibia of a patient, so that the problem of loss of correction angles caused by compression is avoided, stress concentration can be effectively reduced, and the risk of plate fracture is reduced.
As shown in FIG. 4, the stable fixing bone plate 10 for high tibial osteotomy disclosed in the present invention, wherein the longitudinal plate portion 11 has at least one fixing hole 111 with a recessed channel portion 111a at the edge thereof to allow the bone plate 10 to be adjusted in position on the lower tibia 22 after being resected when being installed.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (10)
1. The utility model provides a fixed hone lamella of firm type that high-order shin bone osteotomy was used which characterized in that contains a longitudinal plate portion and one from the horizontal board portion that this longitudinal plate portion top transversely set up, wherein wears to be equipped with a plurality of fixed orificess on this longitudinal plate portion and horizontal board portion, and extends a abrupt post in the rear side of at least a fixed orifices of this horizontal board portion to this abrupt post is run through to this fixed orifices.
2. A stable bone plate for use in high tibial osteotomy procedures of claim 1, wherein said stud is a tapered cylinder.
3. A stable fixing bone plate for high tibial osteotomy according to claim 1, wherein the fixing holes are screw holes formed by single or multiple threads.
4. A stable fixing bone plate for high tibial osteotomy according to claim 1 or 3, wherein the fixing hole is a tapered hole.
5. The stable bone plate for high tibial osteotomy of claim 1, wherein three fixing holes are formed through the transverse plate portion, and the three fixing holes are arranged in a triangular shape.
6. A stable fixing bone plate for high tibial osteotomy according to claim 5, wherein the axis of the lower fixing hole is inclined upward.
7. A stable bone plate for high tibial osteotomy according to claim 1, wherein a post extends from a posterior side of each of said fixation holes of said transverse plate portion.
8. The bone plate of claim 1, wherein the cross-section of the lateral plate is arc-shaped.
9. The enhanced bone plate for high tibial osteotomy of claim 1, wherein a channel portion is recessed into an edge of at least one of the fixation holes of the longitudinal plate portion.
10. The bone plate of claim 1, wherein the lateral plate portion is curved to the longitudinal plate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922757.1A CN114129247A (en) | 2020-09-04 | 2020-09-04 | Stable fixing bone plate for high-position tibia osteotomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922757.1A CN114129247A (en) | 2020-09-04 | 2020-09-04 | Stable fixing bone plate for high-position tibia osteotomy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114129247A true CN114129247A (en) | 2022-03-04 |
Family
ID=80438780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922757.1A Pending CN114129247A (en) | 2020-09-04 | 2020-09-04 | Stable fixing bone plate for high-position tibia osteotomy |
Country Status (1)
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| CN (1) | CN114129247A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1308135A2 (en) * | 2001-10-30 | 2003-05-07 | Königsee Implantate und Instrumente zur Ostheosynthese GmbH | Device for stabilising the tibia and/or the head of the tibia after osteotomy surgery |
| US20050015089A1 (en) * | 2003-03-26 | 2005-01-20 | Young Robert Allan | Locking bone plate |
| US20100152783A1 (en) * | 2008-12-11 | 2010-06-17 | Veterinary Implants Direct, Llc | Universal Surgical Plate with 30 Degree Compression Angle |
| WO2015160021A1 (en) * | 2014-04-18 | 2015-10-22 | 백혜선 | Fixing tool for open-wedge high tibial osteotomy |
| CN106037914A (en) * | 2016-08-12 | 2016-10-26 | 朱文川 | Degradable proximal tibia posterior-lateral locking internal fixation apparatus with development functions |
| CN106163434A (en) * | 2014-04-18 | 2016-11-23 | 白惠善 | Fixing utensil for opening hto art |
| CN109833084A (en) * | 2017-11-27 | 2019-06-04 | 宝楠生技股份有限公司 | Knee joint external fixer |
| CN110522500A (en) * | 2019-09-23 | 2019-12-03 | 昆明医科大学第二附属医院 | A kind of combined type Inferior tibiofibular joint fixed plate |
-
2020
- 2020-09-04 CN CN202010922757.1A patent/CN114129247A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1308135A2 (en) * | 2001-10-30 | 2003-05-07 | Königsee Implantate und Instrumente zur Ostheosynthese GmbH | Device for stabilising the tibia and/or the head of the tibia after osteotomy surgery |
| US20050015089A1 (en) * | 2003-03-26 | 2005-01-20 | Young Robert Allan | Locking bone plate |
| US20100152783A1 (en) * | 2008-12-11 | 2010-06-17 | Veterinary Implants Direct, Llc | Universal Surgical Plate with 30 Degree Compression Angle |
| WO2015160021A1 (en) * | 2014-04-18 | 2015-10-22 | 백혜선 | Fixing tool for open-wedge high tibial osteotomy |
| CN106163434A (en) * | 2014-04-18 | 2016-11-23 | 白惠善 | Fixing utensil for opening hto art |
| US20170035479A1 (en) * | 2014-04-18 | 2017-02-09 | Hae Sun Paik | Fixing tool for open-wedge high tibial osteotomy |
| CN106037914A (en) * | 2016-08-12 | 2016-10-26 | 朱文川 | Degradable proximal tibia posterior-lateral locking internal fixation apparatus with development functions |
| CN109833084A (en) * | 2017-11-27 | 2019-06-04 | 宝楠生技股份有限公司 | Knee joint external fixer |
| CN110522500A (en) * | 2019-09-23 | 2019-12-03 | 昆明医科大学第二附属医院 | A kind of combined type Inferior tibiofibular joint fixed plate |
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