CN111067586B - Child DDH acetabular osteotomy orthopedic guide plate and using method thereof - Google Patents
Child DDH acetabular osteotomy orthopedic guide plate and using method thereof Download PDFInfo
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- CN111067586B CN111067586B CN201911322768.XA CN201911322768A CN111067586B CN 111067586 B CN111067586 B CN 111067586B CN 201911322768 A CN201911322768 A CN 201911322768A CN 111067586 B CN111067586 B CN 111067586B
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- guide plate
- osteotomy
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- acetabulum
- bone cutting
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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
-
- 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
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/1746—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for the acetabulum
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- 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
- A61B2017/568—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor produced with shape and dimensions specific for an individual patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention provides a DDH acetabular bone osteotomy orthopedic guide plate for children and a use method thereof, and the DDH acetabular bone osteotomy orthopedic guide plate comprises a bone osteotomy guide plate and a downward pressing and opening guide plate, wherein the bone osteotomy guide plate is provided with an appearance which is attached to a joint capsule above the acetabulum and a peripheral bone surface, a bone osteotomy groove with a preset height and a plurality of Kirschner wire holes are formed in the bone osteotomy guide plate, the downward pressing and opening guide plate is provided with two side plates and a connecting part, the two side plates are respectively arranged on two sides of the downward pressing and opening guide plate, so that a tip opening shape is formed between the preset heights, the bottoms of the two side plates are connected through the connecting part, and the connecting part is connected through a bar. The invention provides an orthopedic osteotomy plate system and an operation method thereof, which are used for finishing osteotomy operation in orthopedic surgery and integrate positioning, guiding and distance measurement, thereby not only improving the safety and accuracy of surgery, but also shortening the surgery time and avoiding excessive X-ray radiation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an acetabulum accurate osteotomy 3D printing guide plate device for developmental dysplasia of hip joints of children.
Background
Developmental dysplasia of the hip (DDH) is a disorder of the hip that occurs at childhood or childhood, with the incidence accounting for about one in a thousand of surviving newborns. Many reports indicate that DDH osteotomy operation is complex in operation, long in learning curve, the success of the operation is closely related to the reasonable selection of the operation formula and the experience of a doctor, and the error of deformity evaluation is easy to generate.
Among the various pelvic osteotomy procedures in DDH, the most frequently used ones belong to the modified Pemberton and Dega acetabular joint capsule peripheral osteotomy. However, in any type of surgery, the main surgeon needs to cut the bone by hands according to experience, and the defects of manual bone cutting for complex orthopedic surgery are that the error is large, the operation is inconvenient and the efficiency is low. Therefore, in order to improve the safety and accuracy of the operation, and at the same time shorten the operation time and avoid excessive X-ray radiation, a medical device capable of providing precise positioning and guiding of osteotomy for the children DDH pelvis and femur is in urgent need of research and development.
Disclosure of Invention
The invention provides a DDH acetabular bone cutting orthopedic guide plate for children and a use method thereof, aims to overcome the defects in the prior art, provides an orthopedic bone cutting plate which is used for finishing bone cutting operation in orthopedic surgery and integrates positioning, guiding and distance measuring, and provides more accurate bone cutting guiding for clinicians.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a children DDH acetabular bone osteotomy orthopedic baffle, includes cuts bone baffle and pushes down and struts the baffle, cut bone baffle have with the outer top joint capsule of acetabular bone and the appearance of bone face laminating on every side, cut bone baffle and have a osteotomy groove and several kirschner wire hole of predetermineeing the height, it struts the baffle to push down and is equipped with both sides curb plate and connecting portion, both sides curb plate is located respectively and pushes down the both sides that strut the baffle, makes to form sharp portion opening form between the curb plate of both sides, the bottom of both sides curb plate is connected by connecting portion, connecting portion are connected by the bar.
The children DDH acetabulum osteotomy orthopedic guide plate, wherein: the number of the kirschner wire holes in the bone cutting guide plate is 3.
The children DDH acetabulum osteotomy orthopedic guide plate comprises: the side plates on the two sides of the push-down spreading guide plate are trapezoidal or triangular.
The children DDH acetabulum osteotomy orthopedic guide plate, wherein: the lateral plates at two sides of the downward pressing and opening guide plate are arranged between the upper and lower walls after the acetabulum is cut, pressed and rotated, and the size of the lateral plates at two sides is determined by the clearance between the upper and lower walls after the acetabulum is cut, pressed and rotated.
The children DDH acetabulum osteotomy orthopedic guide plate, wherein: the printing device is manufactured by a 3D printing technology.
A method of using a child DDH acetabular osteotomy orthopedic guide plate, wherein: the method comprises the following steps of using the composition,
a. exposing the joint capsule and the peripheral bone surface above the acetabulum, and placing the bone cutting guide plate at the mutually matched positions;
b. drilling a kirschner wire to fix the bone cutting guide plate;
c. cutting the bone through the bone cutting groove by the swing saw;
d. after osteotomy, placing a lower pressing and spreading guide plate to adjust the direction of a lower pressing bone block, cutting off a connecting part of the lower pressing and spreading guide plate, and keeping side plates at two sides;
e. filling a prefabricated wedge-shaped femoral osteotomy block into the osteotomy gap;
f. taking out the side plates at the two sides of the pushing and opening guide plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the problem that the guide plate is easy to shift when the bone is cut is solved by positioning the Kirschner wire;
2. the acetabulum osteotomy direction is planned in advance through a virtual operation, the direction is limited by the guide plate osteotomy groove, and the height of the osteotomy groove is used for limiting the osteotomy depth, so that the risk of the operation is reduced sufficiently, and the osteotomy accuracy is improved;
3. the pressing-open guide plate is pressed downwards to perfectly implement the direction of the acetabulum osteotomy which is planned in advance after pressing down, so that the acetabulum depth and the containment degree are more reasonable, and the acetabulum index and the acetabulum top inclination angle are more in accordance with the standard;
4. the operation is simple and convenient, and the operation efficiency is improved;
5. the learning cost is low, and the popularization is easier.
Drawings
FIG. 1 is a front three-dimensional view of a bone cutting guide;
FIG. 2 is a back three-dimensional view of the bone cutting guide;
FIG. 3 is a top view of the lower pressure spreader guide;
FIG. 4 is a bottom view of the lower pressure spreader guide;
FIG. 5 is a left side view of the push-down distraction guide;
FIG. 6 is a right side view of the push-open guide.
Description of the reference numerals: 1-cutting bone guide plate; 2-osteotomy groove; 3-Kirschner wire holes; 4, pressing down and opening the guide plate; 5-an outer panel; 6-inner side plate; 7-a connecting part.
Detailed Description
Some specific embodiments of the invention will be described in detail below, by way of example and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale.
The invention provides a DDH acetabular bone cutting orthopedic guide plate for children, which is a set of two parts and comprises a bone cutting guide plate and a lower pressing and opening guide plate.
Referring to fig. 1 and 2, the osteotomy guide plate 1 has an outer shape fitting the joint capsule above the acetabulum and the surrounding bone surface, a strip-shaped protrusion is arranged in the middle of the osteotomy guide plate 1, a osteotomy groove 2 is formed on the top surface of the protrusion, and the osteotomy groove 2 penetrates through the bottom surface of the osteotomy guide plate 1, so that the pendulum saw can realize osteotomy operation through the osteotomy groove 2. The direction and the position of the osteotomy groove 2 play a role in positioning and guiding the osteotomy plane. The osteotomy guide plate 1 is provided with 3 Kirschner wire holes 3 for fixing the osteotomy guide plate 1.
Referring to fig. 3 to 6, the whole of the push-down expanding guide plate 4 is in a shape of an opening at a tip, and the push-down expanding guide plate 4 includes an outer plate 5, an inner plate 6 and a connecting portion 7. The outer side plate 5 and the inner side plate 6 are respectively arranged at two sides of the downward pressing and spreading guide plate 4. The bottoms of the outer side plate 5 and the inner side plate 6 are connected by a connecting part 7, and the connecting part 7 is connected by a bar. The outer side plate 5 and the inner side plate 6 are arranged between the upper and lower walls of the acetabulum after osteotomy, pressing down and rotation, and the size of the side plates at the two sides is determined by the clearance between the upper and lower walls of the acetabulum after osteotomy, pressing down and rotation.
Preferably, the outer side plate 5 and the inner side plate 6 are trapezoidal or triangular, in this example, the outer side plate 5 is trapezoidal, and the inner side plate 6 is triangular.
The invention is printed by 3D printing technology. The method comprises the steps of obtaining DICOM data of the pelvis of a patient through three-dimensional CT scanning in advance before machining and manufacturing, importing the data into a mix software to carry out three-dimensional reconstruction on the pelvis of the patient, measuring and observing the acetabulum index and the acetabulum front and back edge coverage condition of the acetabulum of the patient in a three-dimensional model, drawing and measuring the osteotomy direction and depth of the acetabulum of an affected side, and setting the position, direction and depth of an osteotomy groove according to the data to set the shape parameters of an osteotomy guide plate. The pressing-down rotating direction of the upper edge of the acetabulum is adjusted through a virtual operation, and a pressing-down distraction guide plate is reversely extracted and manufactured by utilizing a gap after osteotomy pressing-down. Thereby setting the profile parameters of the pressing and spreading guide plate, and finally printing the invention by using a 3D printing technology.
The method comprises the following specific steps:
1. exposing a joint capsule and peripheral bone surfaces above the outer part of the acetabulum, and placing the bone cutting guide plate 1 at mutually matched positions so as to limit the direction, the angle and the depth of a bone cutting plane around the acetabulum;
2. a kirschner wire is drilled to fix the bone cutting guide plate 1, so that the relative relation between the bone cutting guide plate 1 and the acetabulum position of a patient is ensured;
3. the swing saw cuts bones through the bone cutting groove 2;
4. after the bone is cut, the downward pressing and spreading guide plate 4 is placed to adjust the direction of the downward pressing bone block, and the connecting part 7 of the downward pressing and spreading guide plate 4 is cut off;
5. filling a femoral osteotomy block into the osteotomy gap;
6. the lower pressure distraction guide plate 4 is removed.
The invention has the advantages that:
the invention provides an orthopedic osteotomy plate system and an operation method thereof, wherein the orthopedic osteotomy plate system is used for finishing osteotomy operation in orthopedic surgery and integrates positioning, guiding and distance measuring, so that the safety and the accuracy of the surgery can be improved, the surgery time is shortened, excessive X-ray radiation can be avoided, more accurate osteotomy guiding is provided for clinicians, the purpose of personalized treatment of DDH of children is achieved, the hip joint function of patients is improved, the occurrence of hip joint osteoarthritis is postponed or avoided, and the disability rate of the patients is reduced.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A children DDH acetabulum osteotomy orthopedic guide plate is characterized in that: the bone cutting guide plate is provided with a bone cutting groove with a preset height and a plurality of Kirschner wire holes, the lower pressing and spreading guide plate comprises an outer plate, an inner plate and a connecting part, the outer plate and the inner plate are respectively arranged at two sides of the lower pressing and spreading guide plate, so that a tip opening shape is formed between the outer plate and the inner plate, the bottoms of the outer plate and the inner plate are connected by the connecting part, and the connecting part is connected by a bar;
the outer side plate and the inner side plate are arranged between the upper wall and the lower wall of the acetabulum after osteotomy, pressing down and rotation, and the size of the outer side plate and the inner side plate is determined by the clearance between the upper wall and the lower wall of the acetabulum after osteotomy, pressing down and rotation;
the appearance parameters of the push-down distraction guide plate are obtained by obtaining DICOM data of the pelvis of a patient in advance through three-dimensional CT scanning, then importing the data into a mimics software to carry out three-dimensional reconstruction on the pelvis of the patient, measuring and observing the acetabulum index and the acetabulum front and back edge coverage condition of the acetabulum of the patient in a three-dimensional model, drawing and measuring the osteotomy direction and depth of the acetabulum at the affected side, adjusting the push-down rotation direction of the upper edge of the acetabulum through virtual surgery, and carrying out reverse extraction by utilizing the gap after the osteotomy is pushed down;
the pressing-down spreading guide plate is matched with the bone cutting guide plate for use, the bone cutting guide plate is used for limiting the direction, the angle and the depth of a bone cutting plane around an acetabulum, the Kirschner wire is used for fixing the bone cutting guide plate, the pressing-down spreading guide plate is used for being integrally placed into a bone cutting gap after bone cutting to play a role in supporting and guaranteeing the pressing-down angle, and the connecting part of the pressing-down spreading guide plate is used for filling a bone cutting block into the bone cutting gap after cutting.
2. The child DDH acetabular osteotomy orthopedic guide plate of claim 1, wherein: the number of the kirschner wire holes in the bone cutting guide plate is 3.
3. The child DDH acetabular osteotomy orthopedic guide plate of claim 1, wherein: the outer side plate is trapezoidal, and the inner side plate is triangular.
4. The child DDH acetabular osteotomy orthopedic guide plate of claim 1, wherein: the printing device is manufactured by a 3D printing technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322768.XA CN111067586B (en) | 2019-12-20 | 2019-12-20 | Child DDH acetabular osteotomy orthopedic guide plate and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322768.XA CN111067586B (en) | 2019-12-20 | 2019-12-20 | Child DDH acetabular osteotomy orthopedic guide plate and using method thereof |
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| CN111067586A CN111067586A (en) | 2020-04-28 |
| CN111067586B true CN111067586B (en) | 2023-03-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766251A (en) * | 1992-03-13 | 1998-06-16 | Tomihisa Koshino | Wedge-shaped spacer for correction of deformed extremities |
| CN106175874A (en) * | 2016-06-29 | 2016-12-07 | 陕西东望科贸有限公司 | A kind of DDH osteotomy guide plate and making and use method thereof |
| CN206120403U (en) * | 2016-06-29 | 2017-04-26 | 陕西东望科贸有限公司 | DDH cuts bone conduction board based on 3D prints |
| CN207012216U (en) * | 2017-02-10 | 2018-02-16 | 贵州嘉一三维技术应用有限公司 | A kind of Periacetabular osteotomy guide plate |
| CN207055523U (en) * | 2017-03-01 | 2018-03-02 | 湖南华翔增量制造股份有限公司 | A kind of osteotomy guide plate |
| CN208725823U (en) * | 2017-12-11 | 2019-04-12 | 湖南华翔增量制造股份有限公司 | A kind of acetabular bone varus osteotomy guide plate |
| CN110353759A (en) * | 2019-07-22 | 2019-10-22 | 北京长木谷医疗科技有限公司 | Osteotomy guide plate |
-
2019
- 2019-12-20 CN CN201911322768.XA patent/CN111067586B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766251A (en) * | 1992-03-13 | 1998-06-16 | Tomihisa Koshino | Wedge-shaped spacer for correction of deformed extremities |
| CN106175874A (en) * | 2016-06-29 | 2016-12-07 | 陕西东望科贸有限公司 | A kind of DDH osteotomy guide plate and making and use method thereof |
| CN206120403U (en) * | 2016-06-29 | 2017-04-26 | 陕西东望科贸有限公司 | DDH cuts bone conduction board based on 3D prints |
| CN207012216U (en) * | 2017-02-10 | 2018-02-16 | 贵州嘉一三维技术应用有限公司 | A kind of Periacetabular osteotomy guide plate |
| CN207055523U (en) * | 2017-03-01 | 2018-03-02 | 湖南华翔增量制造股份有限公司 | A kind of osteotomy guide plate |
| CN208725823U (en) * | 2017-12-11 | 2019-04-12 | 湖南华翔增量制造股份有限公司 | A kind of acetabular bone varus osteotomy guide plate |
| CN110353759A (en) * | 2019-07-22 | 2019-10-22 | 北京长木谷医疗科技有限公司 | Osteotomy guide plate |
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| CN111067586A (en) | 2020-04-28 |
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