CN112971911A - Osteotomy guiding tool and method of use thereof - Google Patents
Osteotomy guiding tool and method of use thereof Download PDFInfo
- Publication number
- CN112971911A CN112971911A CN201911305341.9A CN201911305341A CN112971911A CN 112971911 A CN112971911 A CN 112971911A CN 201911305341 A CN201911305341 A CN 201911305341A CN 112971911 A CN112971911 A CN 112971911A
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- positioning
- hole
- positioning column
- guide plate
- guide part
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
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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
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
- A61B17/154—Guides therefor for preparing bone for knee prosthesis
- A61B17/157—Cutting tibia
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
Abstract
The invention provides an osteotomy guiding tool and a use method thereof. The osteotomy guiding tool comprises a first guide plate, a second guide plate and a positioning rod, wherein the first guide plate comprises a first positioning column which is arranged in a protruding manner outwards and a first positioning part which is arranged at the top end of the first positioning column, the second guide plate comprises a second positioning column which is arranged in a protruding manner in the same direction as the first positioning column and a second positioning part which is arranged at the top end of the second positioning column, the first positioning column and the second positioning column respectively comprise positioning holes which are communicated along the first direction, a correction angle is formed between the central axes of the positioning holes of the first positioning column and the second positioning column before correction, the first positioning column is provided with a through hole, an alignment hole which is arranged at the side of the second positioning column is further arranged on the osteotomy guiding tool, the central axis of the alignment hole and the central axis of the through hole are on the same straight line, the positioning rod continuously penetrates through the first positioning column and the second positioning column in a correction state, and a positioning pin continuously penetrates through the, thereby forming a three point fixation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an osteotomy guiding tool and a using method thereof.
Background
High Tibial Osteotomy (HTO) is currently used to treat medial compartment Osteoarthritis (OA) of the knee, and compared to conventional total knee replacement surgery, HTO is particularly suitable for young patients because it can effectively preserve the articular surfaces of the femur, tibia, patella, etc. of the knee. HTO is classified into closed wedge HTO and open wedge HTO, and because closed wedge HTO is prone to complications such as atrioventricular syndrome, lateral muscle separation, proximal fibula dissection, limb shortening, and peroneal nerve injury, open wedge HTO is more likely to achieve favorable postoperative effects, and a large number of clinical studies have demonstrated its efficacy. In the conventional inside open wedge HTO, a doctor performs an osteotomy operation by means of clinical experience and an existing measuring tool, so that the osteotomy precision and the correction precision are highly dependent on the experience of the doctor, and in addition, the radiation hazard of a patient and the doctor is increased due to frequent X-ray fluoroscopy measurement during the operation.
Therefore, there is a need to provide an osteotomy guiding tool and a method for using the same to overcome the drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide an osteotomy guiding tool which is simple in structure, convenient to operate and capable of stably maintaining the opening angle and a using method thereof.
In order to achieve the above object, the present invention provides a guiding tool for osteotomy, comprising a first guide plate and a second guide plate for combined fixation in a first direction, and a positioning rod matched with the first guide plate and the second guide plate for angle calibration, wherein the first guide plate comprises a first positioning column protruding outwards and a first positioning portion located at the top end of the first positioning column, the second guide plate comprises a second positioning column protruding in the same direction as the first positioning column and a second positioning portion located at the top end of the second positioning column, the first positioning column and the second positioning column respectively comprise positioning holes penetrating along the first direction, a calibration angle is formed between central axes of the positioning holes of the first positioning column and the second positioning column before calibration, the first positioning column has a through hole, and the guiding tool for osteotomy is further provided with a registration hole located beside the second positioning column, the central axis of the alignment hole is intersected with the central axis of the through hole, the positioning rod continuously penetrates through the first positioning part and the second positioning part in a correction state, and a positioning needle continuously penetrates through the through hole and the alignment hole, so that three-point fixation is formed.
Furthermore, the second guide plate further comprises a positioning column protruding in the same direction as the second positioning column, and the positioning hole is formed in the side surface of the positioning column and penetrates through the positioning column correspondingly.
Further, the second guide plate comprises a lower guide part for guiding the cutting path, the alignment column is arranged on the outer side of the lower guide part, and the position of the alignment hole is higher than that of the lower guide part.
Further, the first guide plate comprises a side guide part for guiding the cutting path and an upper guide part, the upper guide part is positioned above the lower guide part, and a guide groove for guiding the cutting tool path is formed between the upper guide part and the lower guide part.
Further, the alignment holes comprise a first hole penetrating through the first guide plate and a second hole penetrating through the second guide plate, and in a correcting state, central axes of the through hole, the first hole and the second hole are on the same straight line.
Further, the first guide plate comprises a side guide part and an upper guide part, the side guide part is used for guiding the cutting path, and the first hole is located in the upper guide part and is arranged in a penetrating mode along the thickness direction of the upper guide part.
Further, the first guide plate comprises a lower guide part which is positioned below the upper guide part and is used for guiding the cutting path, a guide groove for guiding the cutting tool path is formed between the upper guide part and the lower guide part, and the second hole is positioned in the lower guide part and is arranged in a penetrating mode along the thickness direction of the lower guide part.
Furthermore, the first guide plate further comprises a first fixing portion protruding in the same direction as the first positioning column and used for enabling the fixing needle to penetrate through the fixing portion, and the second guide plate further comprises a second fixing portion protruding in the same direction as the second positioning column and used for enabling the fixing needle to penetrate through the fixing portion.
Further, the first fixing portion and the second fixing portion are respectively provided as a pair, and in a correction state, a connection line of the through hole and the aligning hole is respectively located between the pair of first fixing portions and the pair of second fixing portions.
In order to achieve the above object, the present invention provides a method for using a guide tool for osteotomy, comprising the steps of: placing the osteotomy guiding tool in a focal area of a patient, enabling inner side surfaces of a first guide plate and a second guide plate of the osteotomy guiding tool to be attached to the bone surface of the focal area of the patient, moving and positioning the osteotomy guiding tool to enable the osteotomy guiding tool to be attached to the bone surface without moving, and fixing; according to preoperative planning, a cutting tool extends into an osteotomy guiding tool, the corresponding part of cortex of a focus area of a patient is cut off by sawing, and an opening is gradually opened in the focus area of the patient; one end of the positioning rod sequentially passes through the positioning holes of the first positioning part and the second positioning part, and when the positioning rod continuously passes through the positioning holes of the first positioning part and the second positioning part, the preoperative planned correction angle is achieved; and sequentially passing a positioning pin through the through hole of the first positioning column and the alignment hole positioned at the side of the second positioning column, wherein the central axis of the alignment hole is positioned on the same straight line with the central axis of the through hole and forms a triangular fixation together with the fixation of the positioning rod.
According to the osteotomy guiding tool, the through hole and the aligning hole structures which are matched with each other are additionally arranged, when the distraction angle reaches the planned correction angle, the positioning rod can continuously penetrate through the first positioning part and the second positioning part and is fixed between the first positioning column and the second positioning column, and at the moment, a positioning needle continuously penetrates through the through hole and the aligning hole and is fixed between the first positioning column and the second guide plate, so that three-point fixation is formed by the first positioning column, the second positioning column and the aligning hole arranged on the second guide plate, the distraction angle is maintained more stably, the influence on the subsequent operation effect is avoided, or the distraction angle is repeatedly adjusted, the operation flow is simplified, and the operation time is saved. In addition, the structure can accurately position the opening height and angle of the cut tibia, improve the operation precision, reduce the operation difficulty and the experience dependence on doctors, avoid frequent X-ray perspective measurement in the traditional operation, and reduce the radiation hazard of patients and doctors.
Drawings
Fig. 1 is a perspective view of the osteotomy guiding tool with the positioning rod removed according to the present invention.
Fig. 2 is a perspective view of another perspective view of the osteotomy guiding tool of the present invention with the positioning rod removed.
Fig. 3 and 4 are schematic views of the osteotomy guiding tool removal positioning rod of the present invention being placed on the tibia and in a sawing state.
Fig. 5 is a schematic view of the osteotomy guiding tool of the present invention positioned on a tibia in an initial state of correction.
Fig. 6 is a schematic view of the osteotomy guiding tool of the present invention placed on a tibia and having a fixing pin inserted therein in a corrected state.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1 to 6, the osteotomy guiding tool 100 of the present invention is used to guide osteotomy and correction operations to achieve reconstruction of lower limb force lines and restore normal knee joint motion. In the present invention, the osteotomy guiding tool 100 is applied in a high tibial osteotomy, and is inversely designed from a three-dimensional model reconstructed from medical image data of a patient's tibia and is made by a rapid prototyping technique. For convenience of description, a first direction, a second direction and a third direction perpendicular to each other are defined, and the first direction is a tibia extending direction.
Referring to fig. 1 and 2, the osteotomy guiding tool 100 includes first and second guide plates 1 and 2 for combined fixation in a first direction and a positioning rod 3 for angle verification in cooperation with the first and second guide plates 1 and 2. The first guide plate 1 includes a first positioning column 11 protruding outward and a first positioning portion 12 located at the top end of the first positioning column 11. The second guide plate 2 includes a second positioning column 21 protruding in the same direction as the first positioning column 11 and a second positioning portion 22 located at the top end of the second positioning column 21.
The first positioning column 11 and the second positioning column 21 respectively comprise positioning holes 13 and 23 which are communicated along a first direction, and a correction angle is formed between the central axes of the positioning holes 13 and 23 of the first positioning column 11 and the second positioning column 21 before correction.
That is, before use, the first guide plate 1 and the second guide plate 2 are connected to each other by a connecting portion (not shown) to form a whole, and are disposed at a fixed distance, when the first guide plate 1 and the second guide plate 2 are placed at the proximal end of the tibia, the central axes of the positioning holes 13, 23 of the first positioning post 11 and the second positioning post 21 intersect to form an included angle, which is a correction angle calculated by the aforementioned planning before the osteotomy guiding tool 100 is manufactured, that is, the correction angle corresponds to the distraction angle of the proximal end of the tibia of the patient, so that, when the central axes of the positioning holes 13, 23 of the first positioning post 11 and the second positioning post 21 are located on the same straight line, that is, the distraction angle reaches the aforementioned planned correction angle.
Referring to fig. 1, 2, 5 and 6, the first positioning post 11 has a through hole 14, and the osteotomy guiding tool 100 further has an alignment hole 4 disposed beside the second positioning post 21. The central axis of the alignment hole 4 intersects with the central axis of the through hole 14, and in the correction state, the positioning rod 3 continuously passes through the first positioning portion 12 and the second positioning portion 33, and a positioning pin 300 continuously passes through the through hole 14 and the alignment hole 4, so that three-point fixation is formed.
That is, as shown in fig. 5 and 6, when the distraction angle reaches the planned correction angle, the positioning rod 3 may continuously pass through the first positioning portion 12 and the second positioning portion 22 and be fixed between the first positioning column 11 and the second positioning column 21, and at this time, a positioning pin 300 continuously passes through the through hole 14 and the aligning hole 4 and is fixed between the first positioning column 11 and the second guide plate 2, so that three-point fixation is formed at the portions of the first positioning column 11, the second positioning column 21 and the second guide plate 2 where the aligning hole 4 is provided, and the distraction angle is more stably maintained, thereby avoiding affecting the subsequent operation effect or repeatedly adjusting the distraction angle, simplifying the operation procedure, and saving the operation time. In addition, the structure can accurately position the opening height and angle of the cut tibia, improve the operation precision, reduce the operation difficulty and the experience dependence on doctors, avoid frequent X-ray perspective measurement in the traditional operation, and reduce the radiation hazard of patients and doctors.
In the invention, the fixing pin 6 can directly use a bone pin, so that the bone pin is convenient to obtain and use, the through hole 14 and the alignment hole 4 are small in size, other structural designs of the first guide plate 1 and the second guide plate are not influenced, the occupied area is small, the position of the fixing pin is easy to set, and the fixing pin is convenient to manufacture.
Referring to fig. 1 to 6, the second guide plate 2 further includes a positioning post 24 protruding in the same direction as the second positioning post 21, and the positioning hole 4 is disposed on a side surface of the positioning post 24 and correspondingly penetrates through the positioning post 24.
The second guide plate 2 further comprises a lower guide 25 for guiding the cutting path. The alignment pin 24 is disposed outside the lower guide portion 25, and the alignment hole 4 is higher than the lower guide portion 25. In a preferred embodiment of the invention, the alignment pin 24 is disposed adjacent to the lower guide 25, and the upper end of the alignment pin is thicker than the lower end of the alignment pin, so that the inner surface of the alignment pin 24 facing the first guide plate 1 is flush with the inner surface of the lower guide 25 facing the first guide plate 1. So that the portion of the alignment post 24 where the alignment hole 4 is located has a sufficient thickness to enhance the firmness of the fixation.
The first guide plate 1 further includes an upper guide portion 15 and a side guide portion 16 for guiding the cutting path. The upper guide portion 15 is positioned above the lower guide portion 25 of the second fence 2, and a guide groove 5 for guiding the path of the cutting tool 200 is formed between the upper guide portion 15 and the lower guide portion 25. The side guides 16 and the guide grooves 5 together guide the cutting tool 200 to perform a sawing osteotomy.
The first guide plate 1 further comprises a first fixing portion 17 protruding in the same direction as the first positioning column 11 and used for enabling the fixing needle to penetrate through for fixing, and the second guide plate 2 further comprises a second fixing portion 26 protruding in the same direction as the second positioning column 21 and used for enabling the fixing needle to penetrate through for fixing. First fixed part 17 and second fixed part 26 are hollow structure, and when first baffle 1 and second baffle 2 were placed in the shin bone near-end, squeeze into the shin bone with the fixed needle through first fixed part 17 and second fixed part 26 to fix first baffle 1 and second baffle 2 at the shin bone near-end, avoid moving the condition of the influence operation etc..
In a preferred embodiment of the present invention, the first fixing portion 17 and the second fixing portion 26 are provided in a pair, and in the straightened state, the line connecting the through hole 14 and the alignment hole 4 is located between the pair of first fixing portions 17 and the pair of second fixing portions 26. The pair of first fixing parts 17 and the pair of second fixing parts 26 are arranged along the extending direction of the guide groove 5 at a certain distance, so that the fixing needle passing through the aligning hole 4 and the pupil 14 is not affected by the fixing needle fixed in the first fixing part 17 and the second fixing part 26 or is not conveniently inserted between the through hole 14 and the aligning hole 4.
The method of using the osteotomy guiding tool 100 includes a number of steps.
According to the operation requirement, skin, tissue and the like are cut, bony structures on the inner side of the tibia are exposed, a first guide plate 1 and a second guide plate 2 are placed at the preoperative planned position of a focus area of a patient, the inner side surfaces of the first guide plate and the second guide plate are attached to the bone surface of the focus area of the patient, the first guide plate 1 and the second guide plate 2 are movably positioned to be attached to the bone surface without moving, and four bone pins are sequentially punched to fix the first guide plate 1 and the second guide plate.
According to the preoperative plan, the cutting tool 200 extends into the guide groove 5, and the cortex of the corresponding part of the focus area of the patient is cut off by sawing, and an opening is gradually opened at the focus area of the patient. That is, as shown in fig. 3 and 4, the cutting tool 200 performs the cutting and osteotomy along the guide groove 5, and then performs the cutting and osteotomy along the side guide 16, thereby completing the sawing and osteotomy.
One end of the positioning rod 3 sequentially passes through the positioning holes 13 of the first positioning part 12 and the second positioning part 22, and when the positioning rod 3 can continuously pass through the positioning holes 13 of the first positioning part 12 and the second positioning part 22, the planned correction angle before the operation is achieved. At this time, the central axes of the positioning holes 13 of the first positioning portion 12 and the second positioning portion 22 are on the same straight line.
And a spicule sequentially penetrates through the through hole 14 of the first positioning column 11 and the alignment hole 4 of the alignment column 24, and at the moment, the central axis of the alignment hole 4 and the central axis of the through hole 14 are on the same straight line and form triangular fixation together with the fixation of the positioning rod 3.
In other embodiments, the alignment hole 4 may also include a first hole penetrating through the first guide plate 1 and a second hole penetrating through the second guide plate 2, and the central axes of the through hole 14, the first hole and the second hole are aligned in the same straight line in the corrected state.
In the present embodiment, the first hole may be provided in the upper guide portion 15 to penetrate in the thickness direction of the upper guide portion 15. The second hole may be provided in the lower guide portion 25 and may be penetratingly provided along a thickness direction of the lower guide portion 25. Therefore, the fixing pin 6 can better maintain the opening angle by penetrating through the through hole 14, the first hole and the second hole, and the first hole and the second hole are respectively arranged on the upper guide portion 15 and the lower guide portion 25, so that the punching is performed without adding an additional structure, the structural design is simplified, and the same technical effect can be realized.
Therefore, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention, i.e. all the simple equivalent changes and modifications made by the claims and the content of the present specification should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an osteotomy guiding tool, includes first baffle and the second baffle that is used for in first direction combination fixed and with first baffle and the cooperation of second baffle and be used for the locating lever of angle check, its characterized in that: the first guide plate comprises a first positioning column which protrudes outwards and a first positioning part which is positioned at the top end of the first positioning column, the second guide plate comprises a second positioning column which protrudes in the same direction as the first positioning column and a second positioning part which is positioned at the top end of the second positioning column, the first positioning column and the second positioning column respectively comprise positioning holes which are communicated along a first direction, a correction angle is formed between the central axes of the positioning holes of the first positioning column and the second positioning column before correction, the first positioning column is provided with a through hole, the osteotomy guiding tool is further provided with an aligning hole which is positioned at the side of the second positioning column, the central axis of the aligning hole is intersected with the central axis of the through hole, in a correction state, the positioning rod continuously penetrates through the first positioning part and the second positioning part, and a positioning pin continuously penetrates through the through hole and the aligning hole, thereby forming a three point fixation.
2. The osteotomy guiding tool of claim 1, wherein: the second guide plate further comprises a positioning column protruding in the same direction as the second positioning column, and the positioning hole is formed in the side surface of the positioning column and penetrates through the positioning column correspondingly.
3. The osteotomy guiding tool of claim 2, wherein: the second guide plate comprises a lower guide part for guiding the cutting path, the alignment column is arranged on the outer side of the lower guide part, and the position of the alignment hole is higher than that of the lower guide part.
4. The osteotomy guiding tool of claim 3, wherein: the first guide plate comprises a side guide part and an upper guide part, the side guide part is used for guiding the cutting path, the upper guide part is positioned above the lower guide part, and a guide groove used for guiding the cutting tool path is formed between the upper guide part and the lower guide part.
5. The osteotomy guiding tool of claim 1, wherein: the alignment hole comprises a first hole penetrating through the first guide plate and a second hole penetrating through the second guide plate, and the central axes of the through hole, the first hole and the second hole are on the same straight line in a correction state.
6. The osteotomy guiding tool of claim 5, wherein: the first guide plate comprises a side guide part and an upper guide part, the side guide part is used for guiding a cutting path, and the first hole is located in the upper guide part and is arranged in a penetrating mode along the thickness direction of the upper guide part.
7. The osteotomy guiding tool of claim 6, wherein: the first guide plate comprises a lower guide part which is positioned below the upper guide part and used for guiding a cutting path, a guide groove for guiding the cutting tool path is formed between the upper guide part and the lower guide part, and the second hole is positioned in the lower guide part and is arranged in a penetrating mode along the thickness direction of the lower guide part.
8. The osteotomy guiding tool of claim 1, wherein: the first guide plate further comprises a first fixing portion protruding in the same direction as the first positioning column and used for enabling the fixing needle to penetrate through the first fixing portion, and the second guide plate further comprises a second fixing portion protruding in the same direction as the second positioning column and used for enabling the fixing needle to penetrate through the second fixing portion.
9. The osteotomy guiding tool of claim 8, wherein: the first fixing part and the second fixing part are respectively provided with a pair, and under the correction state, the connecting lines of the through hole and the aligning hole are respectively positioned between the pair of first fixing parts and the pair of second fixing parts.
10. A method of using an osteotomy guiding tool, comprising: the method comprises the following steps:
placing the osteotomy guiding tool in a focal area of a patient, enabling inner side surfaces of a first guide plate and a second guide plate of the osteotomy guiding tool to be attached to the bone surface of the focal area of the patient, moving and positioning the osteotomy guiding tool to enable the osteotomy guiding tool to be attached to the bone surface without moving, and fixing;
according to preoperative planning, a cutting tool extends into an osteotomy guiding tool, the corresponding part of cortex of a focus area of a patient is cut off by sawing, and an opening is gradually opened in the focus area of the patient;
one end of the positioning rod sequentially passes through the positioning holes of the first positioning part and the second positioning part, and when the positioning rod continuously passes through the positioning holes of the first positioning part and the second positioning part, the preoperative planned correction angle is achieved;
and sequentially passing a positioning pin through the through hole of the first positioning column and the alignment hole positioned at the side of the second positioning column, wherein the central axis of the alignment hole is positioned on the same straight line with the central axis of the through hole and forms a triangular fixation together with the fixation of the positioning rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305341.9A CN112971911A (en) | 2019-12-18 | 2019-12-18 | Osteotomy guiding tool and method of use thereof |
| PCT/CN2019/128489 WO2021120265A1 (en) | 2019-12-18 | 2019-12-26 | Osteotomy guide tool and method of use therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305341.9A CN112971911A (en) | 2019-12-18 | 2019-12-18 | Osteotomy guiding tool and method of use thereof |
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| Publication Number | Publication Date |
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| CN112971911A true CN112971911A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911305341.9A Pending CN112971911A (en) | 2019-12-18 | 2019-12-18 | Osteotomy guiding tool and method of use thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112971911A (en) |
| WO (1) | WO2021120265A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693673B (en) * | 2021-08-27 | 2023-09-22 | 周君琳 | Metatarsal bone cuts bone conduction board based on orthopedic operation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA933167B (en) * | 1992-05-03 | 1993-11-14 | Technology Finance Corp | Surgical instruments |
| US8123753B2 (en) * | 2008-04-28 | 2012-02-28 | Depuy (Ireland) Ltd. | Cutting guide assembly |
| CN205697912U (en) * | 2016-06-15 | 2016-11-23 | 中南大学湘雅医院 | A kind of osteotomy guide plate component based on tibia and femur |
| FR3070249B1 (en) * | 2017-08-22 | 2023-01-27 | Newclip Int | SURGICAL GUIDING DEVICE, TO ASSIST AN OPENING OSTEOTOMY TECHNIQUE |
| IT201800002438A1 (en) * | 2018-02-06 | 2019-08-06 | St Ortopedico Rizzoli | INSTRUMENTS FOR THE IMPLANTATION OF BONE INSERTS |
| CN108635016A (en) * | 2018-05-31 | 2018-10-12 | 武汉嘉三维技术应用有限公司 | A kind of High Tibial biplane osteotomy navigation guide plate |
| CN209153864U (en) * | 2018-05-31 | 2019-07-26 | 武汉嘉一三维技术应用有限公司 | A kind of High Tibial biplane osteotomy navigation guide plate |
| CN109770995A (en) * | 2019-03-07 | 2019-05-21 | 苏州欣荣博尔特医疗器械有限公司 | Guide pad for the operation of proximal tibia osteotomy |
-
2019
- 2019-12-18 CN CN201911305341.9A patent/CN112971911A/en active Pending
- 2019-12-26 WO PCT/CN2019/128489 patent/WO2021120265A1/en active Application Filing
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| WO2021120265A1 (en) | 2021-06-24 |
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