CN115281806A - High position external support that cuts bone in knee joint inboard - Google Patents
High position external support that cuts bone in knee joint inboard Download PDFInfo
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- CN115281806A CN115281806A CN202210963226.6A CN202210963226A CN115281806A CN 115281806 A CN115281806 A CN 115281806A CN 202210963226 A CN202210963226 A CN 202210963226A CN 115281806 A CN115281806 A CN 115281806A
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- connecting part
- rod
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- threaded rod
- bone
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 29
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 17
- 210000003127 knee Anatomy 0.000 claims description 6
- 210000002303 tibia Anatomy 0.000 claims description 3
- 230000002337 anti-port Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 4
- 241000469816 Varus Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000008482 osteoarthritis Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000003947 Knee Osteoarthritis Diseases 0.000 description 1
- 241001227561 Valgus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005786 degenerative changes Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 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
- A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (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 an external high osteotomy bracket at the inner side of a knee joint, relating to the technical field of medical instruments; the bone grafting instrument comprises a tibial platform connecting part and a backbone connecting part, wherein the tibial platform connecting part comprises a cross rod, the backbone connecting part comprises a vertical rod, the cross rod is perpendicular to the vertical rod, two needle clamps for connecting screws with bones are arranged on the cross rod, two needle clamps for connecting screws with bones are also arranged on the vertical rod, an angle adjusting component is arranged between the tibial platform connecting part and the backbone connecting part, and the backbone connecting part is provided with a length adjusting component; the needle clamp arranged on the cross rod and the vertical rod penetrates through the screw to be fixed with the bone, the cross rod and the tibial platform are fixed outside the skin, the vertical rod and the backbone are fixed outside the skin, the adjusting round seat and the connecting disc fix the angle and position relation through the fixing nail, the threaded sleeve is controlled, the distance between the connecting part of the bone platform and the connecting part of the backbone is adjusted, and the requirement of subsequent adjustment of the support and the bone after fixation according to the requirement of a doctor is met.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an external high-position osteotomy bracket at the inner side of a knee joint.
Background
A high tibial osteotomy is used for the surgical treatment of osteoarthritis. Knee osteoarthritis can often be associated with either varus or valgus deformity. In knee varus, stress is concentrated in the medial portion of the knee and accelerates the progression of degenerative changes occurring 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.
In the operation process, high tibial osteotomy is performed near the tibial tubercle, so that the tibial plateau and the backbone form an osteotomy angle, the backbone angle is changed, and the position of the backbone and the tibial plateau is fixed.
To sum up, there are following technical problem in the fixed process of high position osteotomy in present knee joint inboard: the bracket fixation is usually performed in contact with the bone on the inner side of the flesh after the high tibial osteotomy because the bracket remains on the inner side of the flesh, resulting in no way to change the angular and positional relationship between the tibial plateau and the diaphysis after fixation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an outer bracket for knee joint inner high osteotomy, which is adjusted according to the high tibial osteotomy condition.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a knee joint inboard high-order osteotomy outer support, includes tibial plateau connecting portion and backbone connecting portion, tibial plateau connecting portion are including the horizontal pole, backbone connecting portion are including the montant, the horizontal pole is the vertical relation with the montant, be equipped with two needle clamps with bone connecting screw on the horizontal pole, also be equipped with two needle clamps with bone connecting screw on the montant, be equipped with angle adjusting component between tibial plateau connecting portion and the backbone connecting portion, backbone connecting portion are equipped with length adjusting component, angle and position change between supplementary tibial plateau connecting portion and the backbone connecting portion.
Furthermore, the tibial plateau connecting portion comprises an upper frame and an adjusting circular seat, the cross rod is connected in the upper frame in a sliding mode, the upper frame is in threaded connection with a positioning nail at the position of the cross rod, the cross rod is fixed with the upper frame through screwing the positioning nail, one side of the upper frame is fixedly connected with the adjusting circular seat, and the fixing circular seat is matched with the backbone connecting portion.
Furthermore, the backbone connecting part comprises a middle frame, a connecting disc and a vertical rod, one side of the middle frame, which is close to the upper frame, is fixedly connected with the connecting disc, the connecting disc is in threaded connection with a fixing nail, the connecting disc and the tibial platform connecting part adjusting circular seat concentrically rotate, and the fixing nail is matched with the adjusting circular seat to fix the angle position of the adjusting circular seat and the connecting disc;
the utility model discloses a tibial plateau, including the tibial plateau connecting portion, the montant is kept away from to the midframe, and the montant is close to midframe one side fixedly connected with lower threaded rod, go up threaded rod and the concentric setting of lower threaded rod, go up threaded rod and lower threaded rod screw thread opposite direction, it has the threaded sleeve with lower threaded rod external screw thread connection to go up the threaded rod, be equipped with the screw hole in the threaded sleeve, screw hole and last threaded rod and the cooperation of lower threaded rod rotate the threaded sleeve and make threaded rod and lower threaded rod reverse translation, and remove the back stably.
Furthermore, the outer side of the threaded sleeve is designed to be in a prismatic edge shape, so that control is facilitated.
Furthermore, a needle hole which penetrates through a bone fixing screw is formed in the needle clamp, and a locking nail which is fixed with the cross rod and the vertical rod is further arranged on the needle clamp.
The invention has the beneficial effects that:
the utility model provides a knee joint inboard high position cuts bone outer support, through the horizontal pole, the needle holder that sets up on the montant passes the screw and fixes with the bone, horizontal pole and shin bone platform are fixed at the skin external fixation, montant and backbone are fixed at the skin external fixation, adjust the round seat and pass through the fixed angle position relation of staple with the connection disc, control threaded sleeve adjusts the distance between bone platform connecting portion and the backbone connecting portion, satisfy and carry out follow-up regulation according to doctor's needs after support and bone are fixed, and the structure is succinct, facilitate the use, easily promote in clinical work.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 are briefly introduced below, and it is obvious that the drawings in the description below 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 the drawings without creative efforts.
Fig. 1 is a schematic overall structure view of an external high osteotomy bracket at the inner side of a knee joint according to an embodiment of the invention;
FIG. 2 is a schematic view of the structural connection between the upper frame and the cross bar according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of the middle frame and the upper threaded rod according to the embodiment of the invention;
FIG. 4 is a schematic view of the structure of the vertical rod and the lower threaded rod according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a threaded sleeve according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-upper frame, 101-positioning pin, 102-adjusting round seat, 110-cross bar, 120-middle frame, 121-connecting disc, 122-fixing pin, 123-upper threaded rod, 130-vertical rod, 131-lower threaded rod, 2-needle clamp, 201-needle hole, 202-locking pin, 3-threaded sleeve and 301-threaded hole.
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.
As shown in fig. 1-5
Example 1
The invention relates to an external high-position osteotomy bracket on the inner side of a knee joint, which comprises a tibial platform connecting part and a backbone connecting part, wherein the tibial platform connecting part comprises a cross rod (110), the backbone connecting part comprises a vertical rod (130), the cross rod (110) is perpendicular to the vertical rod (130), two needle clamps (2) for connecting screws with bones are arranged on the cross rod (110), two needle clamps (2) for connecting the screws with the bones are also arranged on the vertical rod (130), an angle adjusting component is arranged between the tibial platform connecting part and the backbone connecting part, the backbone connecting part is provided with a length adjusting component, and the change of angles and positions between the tibial platform connecting part and the backbone connecting part is assisted;
the needle clamp is a fixing clamp which is fixed on an external skeleton support in the prior art and used for fixing a needle tool penetrating into a skeleton, after high-position bone cutting of a knee joint is performed, the cross rod and a tibial plateau are fixed on the outer side of skin through the needle clamp on the cross rod, the vertical rod and a tibial backbone are fixed on the outer side of the skin through the needle clamp on the vertical rod, the tibial plateau and the tibial backbone are fixed through the position fixing device, and the angle and the position change between a connecting part of the tibial plateau and a connecting part of the tibial backbone are completed through the adjusting component.
Example 2
The tibia platform connecting part comprises an upper frame (1) and an adjusting circular seat (102), a cross rod (110) is connected in the upper frame (1) in a sliding mode, a positioning nail (101) is connected to the position, on the cross rod (110), of the upper frame (1) in a threaded mode, the position of the cross rod (110) and the position of the upper frame (1) are fixed through screwing the positioning nail (101), one side of the upper frame (1) is fixedly connected with the adjusting circular seat (102), and the fixing circular seat is matched with the backbone connecting part;
the backbone connecting part comprises a middle frame (120), a connecting disc (121) and a vertical rod (130), one side, close to the upper frame (1), of the middle frame (120) is fixedly connected with the connecting disc (121), a fixing nail (122) is connected to the connecting disc (121) in a threaded manner, the connecting disc (121) and the adjusting circular seat (102) of the tibial plateau connecting part concentrically rotate, and the fixing nail (122) is matched with the adjusting circular seat (102) to fix the angle positions of the adjusting circular seat (102) and the connecting disc (121);
through the skin external cross rod and the vertical rod which are arranged in the invention, after the cross rod and the vertical rod are fixed with the bone of a patient, the fixing nail is controlled according to the needs of an operator, so that the connecting disc and the adjusting circular seat rotate relatively concentrically, the angle between the tibial platform and the backbone is changed along with the control of the operator after the bone is fixed, and the effect of later-stage adjustment is achieved.
Example 3
An upper threaded rod (123) is fixedly connected to one side, far away from the tibial plateau connecting portion, of the middle frame (120), a lower threaded rod (131) is fixedly connected to one side, close to the middle frame (120), of the vertical rod (130), the upper threaded rod (123) and the lower threaded rod (131) are arranged concentrically, the thread directions of the upper threaded rod (123) and the lower threaded rod (131) are opposite, a threaded sleeve (3) is connected to the upper threaded rod (123) and the lower threaded rod (131) in an external thread mode, a threaded hole (301) is formed in the threaded sleeve (3), the threaded hole (301) is matched with the upper threaded rod (123) and the lower threaded rod (131), and the upper threaded rod (123) and the lower threaded rod (131) move in opposite directions by rotating the threaded sleeve (3) and are stable after moving;
the outer side of the threaded sleeve (3) is designed into a prismatic edge shape, so that the control is convenient;
the bone fracture nail is characterized in that a needle hole (201) which penetrates through a bone fixing screw is formed in the needle clamp (2), and a locking nail (202) which is fixed with the cross rod (110) and the vertical rod (130) is further arranged on the needle clamp (2).
After the transverse rod is fixed on the tibial platform of a patient, the vertical rod is fixed with the backbone of the patient, the upper threaded rod and the lower threaded rod are moved in the opposite direction by controlling the threaded sleeve, the distance between the transverse rod and the vertical rod is adjusted, the distance between the tibial platform and the backbone is changed according to the needs of an operator, and the position of the pin clamp on the transverse rod and the vertical rod is tightly adjusted by loosening the locking pin.
In conclusion, the high position osteotomy external support at the inner side of the knee joint is fixed with a bone through the screws which are penetrated by the needle clamps arranged on the cross rod and the vertical rod, the cross rod and the tibial plateau are fixed outside the skin, the vertical rod and the backbone are fixed outside the skin, the later adjustment is carried out through the mechanism and the adjusting part which are arranged outside the skin, the angle position relation between the adjusting round seat and the connecting disc is fixed through the fixing nail, the threaded sleeve is controlled, the distance between the connecting part of the bone plateau and the connecting part of the backbone is adjusted, and the subsequent adjustment can be carried out according to the needs of doctors after the support and the bone are fixed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention disclosed above are intended to be illustrative only. 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 the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a high position osteotomy outer support in knee joint which characterized in that: the bone grafting instrument comprises a tibial platform connecting part and a backbone connecting part, wherein the tibial platform connecting part comprises a cross rod, the backbone connecting part comprises a vertical rod, the cross rod is in a vertical relation with the vertical rod, two needle clamps with bone connecting screws are arranged on the cross rod, two needle clamps with the bone connecting screws are also arranged on the vertical rod, an angle adjusting component is arranged between the tibial platform connecting part and the backbone connecting part, and the backbone connecting part is provided with a length adjusting component.
2. The external high osteotomy bracket for a medial knee of claim 1, wherein: the tibia platform connecting portion comprises an upper frame and an adjusting circular seat, the cross rod is connected in the upper frame in a sliding mode, the upper frame is in threaded connection with a positioning nail at the position of the cross rod, one side of the upper frame is fixedly connected with the adjusting circular seat, and the fixing circular seat is matched with the backbone connecting portion.
3. The external high osteotomy bracket for a medial knee of claim 1, wherein: the backbone connecting part comprises a middle frame, a connecting disc and a vertical rod, one side of the middle frame, which is close to the upper frame, is fixedly connected with the connecting disc, the connecting disc is in threaded connection with a fixing nail, the connecting disc and the tibial plateau connecting part adjusting round seat concentrically rotate, and the fixing nail is matched with the adjusting round seat;
the utility model discloses a tibial plateau, including the tibial plateau connecting portion, the montant is kept away from to the midframe, and the montant is close to midframe one side fixedly connected with lower threaded rod, go up threaded rod and the concentric setting of lower threaded rod, go up threaded rod and lower threaded rod screw thread opposite direction, it has the threaded sleeve with lower threaded rod external screw thread connection to go up the threaded rod, be equipped with the screw hole in the threaded sleeve, screw hole and last threaded rod and the cooperation of lower threaded rod rotate the threaded sleeve and make threaded rod and lower threaded rod antiport.
4. The lateral high osteotomy outer brace of claim 3, wherein: the outer side of the threaded sleeve is designed to be in a prismatic edge shape.
5. The external high osteotomy bracket for a medial knee of claim 1, wherein: the needle clamp is provided with a needle hole which penetrates through a bone fixing screw, and the needle clamp is also provided with a locking nail which is fixed with the cross rod and the vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963226.6A CN115281806A (en) | 2022-08-11 | 2022-08-11 | High position external support that cuts bone in knee joint inboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963226.6A CN115281806A (en) | 2022-08-11 | 2022-08-11 | High position external support that cuts bone in knee joint inboard |
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| Publication Number | Publication Date |
|---|---|
| CN115281806A true CN115281806A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210963226.6A Pending CN115281806A (en) | 2022-08-11 | 2022-08-11 | High position external support that cuts bone in knee joint inboard |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6423061B1 (en) * | 2000-03-14 | 2002-07-23 | Amei Technologies Inc. | High tibial osteotomy method and apparatus |
| CN202477822U (en) * | 2012-02-20 | 2012-10-10 | 扈全德 | External fixation device for humerus proximal end fracture reposition |
| CN107874821A (en) * | 2017-12-30 | 2018-04-06 | 潍坊欣润医疗科技有限公司 | Knee joint rebuilds exterior fixing rack device |
| CN110393571A (en) * | 2019-06-24 | 2019-11-01 | 北京积水潭医院 | Osteotomy guide device for separate room knee replacements |
| CN113693674A (en) * | 2021-08-30 | 2021-11-26 | 万春友 | Fixing support |
-
2022
- 2022-08-11 CN CN202210963226.6A patent/CN115281806A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6423061B1 (en) * | 2000-03-14 | 2002-07-23 | Amei Technologies Inc. | High tibial osteotomy method and apparatus |
| CN202477822U (en) * | 2012-02-20 | 2012-10-10 | 扈全德 | External fixation device for humerus proximal end fracture reposition |
| CN107874821A (en) * | 2017-12-30 | 2018-04-06 | 潍坊欣润医疗科技有限公司 | Knee joint rebuilds exterior fixing rack device |
| CN110393571A (en) * | 2019-06-24 | 2019-11-01 | 北京积水潭医院 | Osteotomy guide device for separate room knee replacements |
| CN113693674A (en) * | 2021-08-30 | 2021-11-26 | 万春友 | Fixing support |
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