CN110037783B - Fixed support for assisting fracture reduction based on electromagnetic navigation operation system - Google Patents
Fixed support for assisting fracture reduction based on electromagnetic navigation operation system Download PDFInfo
- Publication number
- CN110037783B CN110037783B CN201910468648.4A CN201910468648A CN110037783B CN 110037783 B CN110037783 B CN 110037783B CN 201910468648 A CN201910468648 A CN 201910468648A CN 110037783 B CN110037783 B CN 110037783B
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- support
- arc
- kirschner
- face
- boss
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- 238000001356 surgical procedure Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 210000001930 leg bone Anatomy 0.000 description 22
- 208000010392 Bone Fractures Diseases 0.000 description 15
- 206010017076 Fracture Diseases 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 206010061599 Lower limb fracture Diseases 0.000 description 1
Classifications
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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
- A61B17/66—Alignment, compression or distraction mechanisms
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2051—Electromagnetic tracking systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Robotics (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a fixing bracket for assisting fracture reduction based on an electromagnetic navigation operation system, which comprises a main bracket in an arc shape, wherein an arc-shaped groove is formed in the left end face of the main bracket; the fixed support further comprises at least one detachable support, the right end face of each detachable support is provided with an arc-shaped boss, the left end face of each detachable support is provided with an arc-shaped groove, and the left end face of each detachable support is further provided with a positioning groove; a plurality of hemispherical grooves are distributed on the detachable support in a dispersed manner; each detachable support and the main support can be sequentially spliced together through the matching of the arc-shaped boss and the arc-shaped groove, the fixing block and the positioning groove can be spliced together, a plurality of Kirschner wire holes and threaded holes are formed in the fixing block and the main support, each Kirschner wire hole is perpendicular to the corresponding threaded hole, and a cover plate bolt for fixing the Kirschner wire is further arranged at the threaded hole. The fixing support can improve the operation resetting precision.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a fixing bracket for assisting fracture reduction based on an electromagnetic navigation operation system.
Background
Usually, after the fracture reduction of the leg bones is primarily positioned by the experience of doctors, whether the reduction is accurate or not is checked through CT or MRI images to finish the fracture reduction. The method is complex to operate, needs to take images for multiple times, and is time-consuming and labor-consuming.
With the progress of the technology, in the operation process of the reduction of the leg bone fracture, the CT or MRI two-dimensional image of the leg bone can be subjected to three-dimensional reconstruction by utilizing an electromagnetic navigation technology, a three-dimensional model of the leg bone is established, the leg bone is positioned by utilizing a probe and a six-degree-of-freedom reference tool, the association of the leg bone and the three-dimensional model is completed, when the leg bone moves, the three-dimensional model can also move relatively, and the reduction condition of the leg bone can be reflected by observing the reduction condition of the three-dimensional model of the leg bone, so that the reduction of the leg bone fracture is completed.
In the prior art, when the positioning correlation between the leg bones and the three-dimensional model of the leg bones is realized, the leg bones of a person are positioned directly, so that certain errors exist, and the operation resetting precision is affected.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a fixing support for assisting fracture reduction based on an electromagnetic navigation surgical system so as to improve the surgical reduction precision.
In order to achieve the above purpose, the invention provides a fixing bracket for assisting fracture reduction based on an electromagnetic navigation operation system, which comprises a circular arc-shaped main bracket, wherein a circular arc-shaped groove is arranged on the left end face of the main bracket, a plurality of Kirschner pinholes and threaded holes are arranged on the main bracket, the Kirschner pinholes are in one-to-one correspondence with the threaded holes, each Kirschner pinhole penetrates through the main bracket along the up-down direction, each Kirschner pinhole is mutually perpendicular to the corresponding threaded hole, and the Kirschner pinholes are distributed on the whole main bracket in a dispersed manner; the screw hole is also provided with a cover plate bolt for fixing the Kirschner wire; the fixing support further comprises at least one detachable support, the right end face of each detachable support is provided with an arc-shaped boss, the left end face of each detachable support is provided with an arc-shaped groove, the adjacent arc-shaped bosses are matched and spliced with the arc-shaped grooves, and the left end face of each detachable support is further provided with a positioning groove for positioning the fixing block; a plurality of hemispherical grooves are distributed on the detachable support in a dispersed manner, and the hemispherical grooves are used for being matched with the probes; each detachable support and the main support can be sequentially inserted together through the matching of the arc-shaped boss and the arc-shaped groove, the fixing block and the positioning groove can be inserted together, the fixing block is provided with Kirschner pinholes and threaded holes, the Kirschner pinholes are in one-to-one correspondence with the threaded holes, each Kirschner pinhole penetrates through the fixing block along the up-down direction, each Kirschner pinhole is perpendicular to the corresponding threaded hole, and a cover plate bolt for fixing the Kirschner needle is further arranged at the threaded hole.
Preferably, the dimension in the left-right direction of each detachable bracket may be different.
Preferably, the front end and the rear end of the main support extend out of the connecting plates leftwards respectively, and a first boss is arranged on the upper end face of each connecting plate; the front and back both ends of every detachable support all are equipped with first recess, and each detachable support and main support pass through circular-arc boss and circular-arc recess's cooperation can peg graft together in proper order, and each detachable support and main support still can peg graft together through a plurality of connecting blocks and connecting plate in proper order, and the left end face of every connecting block and connecting plate all is equipped with the second recess, and the right-hand member face of every connecting block is equipped with the second boss, and adjacent second boss is pegged graft with the cooperation of second recess, is equipped with first boss on the up end of every connecting block, and adjacent first boss is pegged graft with the cooperation of first recess.
The fixing support for assisting fracture reduction based on the electromagnetic navigation surgery system has the advantages that the fixing support for assisting fracture reduction based on the electromagnetic navigation surgery system can assist in positioning of the leg bones of a person, assist in completing association registration of the leg bones and the three-dimensional model of the leg bones, and further improve surgery reduction accuracy.
Drawings
Fig. 1 shows a schematic structural view of a fixing bracket according to the present invention.
Fig. 2 shows a schematic view of the use state of the fixing bracket according to the present invention.
Reference numerals: the novel bracket comprises a main bracket body, a main bracket, a 2-circular arc-shaped groove, a 3-connecting plate, a 4-first boss, a 5-Kirschner pin hole, a 6-cover plate bolt, a 7-detachable bracket, an 8-circular arc-shaped boss, a 9-positioning groove, a 10-hemispherical groove, a 11-first groove, a 12-connecting block, a 13-second groove, a 14-second boss, a 15-fixing block, a 16-threaded hole, an A-leg and a B-Kirschner wire.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
As shown in fig. 1, the fixing support for assisting fracture reduction based on the electromagnetic navigation surgery system comprises a circular arc-shaped main support 1, wherein a circular arc-shaped groove 2 is formed in the left end face of the main support 1, a plurality of k-pin holes 5 and threaded holes 16 are formed in the main support 1, the k-pin holes 5 are in one-to-one correspondence with the threaded holes 16, each k-pin hole 5 penetrates through the main support 1 along the up-down direction, each k-pin hole 5 and the corresponding threaded hole 16 are mutually perpendicular, and the k-pin holes 5 are distributed on the whole main support 1 in a scattered manner; a cover bolt 6 for fixing the k-wire B is also provided at the threaded hole 16.
The fixing support further comprises at least one detachable support 7, the sizes (i.e. the widths) of the detachable supports 7 in the left-right direction can be different, the number of the detachable supports 7 is determined according to practical situations, the right end face of each detachable support 7 is provided with an arc-shaped boss 8, the left end face is provided with an arc-shaped groove 2, the adjacent arc-shaped bosses 8 are matched and spliced with the arc-shaped groove 2, the left end face of each detachable support 7 is further provided with a positioning groove 9 for positioning a fixing block 15, and of course, when the fixing support comprises a plurality of detachable supports 7, only the left-most detachable support 7 can be provided with the positioning groove 9; a plurality of hemispherical grooves 10 are distributed on the detachable support 7 in a dispersed manner, and the hemispherical grooves 10 are used for being matched with a probe; each detachable support 7 and the main support 1 are sequentially inserted into each other through the matching of the arc-shaped boss 8 and the arc-shaped groove 2, the fixing block 15 is inserted into the positioning groove 9, the fixing block 15 is provided with the Kirschner pin holes 5 and the threaded holes 16, each Kirschner pin hole 5 corresponds to each threaded hole 16 one by one, each Kirschner pin hole 5 penetrates through the fixing block 15 along the up-down direction, each Kirschner pin hole 5 and the corresponding threaded hole 16 are mutually perpendicular, and the cover plate bolt 6 for fixing the Kirschner pin B is further arranged at the threaded hole 16.
In order to be more stable during connection, connecting plates 3 extend leftwards from the front end and the rear end of the main support 1 respectively, and a first boss 4 is arranged on the upper end face of each connecting plate 3; the front and back both ends of every detachable support 7 all are equipped with first recess 11, and each detachable support 7 and main support 1 are pegged graft together in proper order through the cooperation of circular-arc boss 8 and circular-arc recess 2, and each detachable support 7 and main support 1 still pass through a plurality of connecting blocks 12 and connecting plate 3 in proper order and peg graft together, and the left end face of every connecting block 12 and connecting plate 3 all is equipped with second recess 13, and the right-hand member face of every connecting block 12 is equipped with second boss 14, and adjacent second boss 14 is pegged graft with the cooperation of second recess 13, is equipped with first boss 4 on the up end of every connecting block 12, and adjacent first boss 4 is pegged graft with first recess 11 cooperation.
In this embodiment, taking a leg fracture as an example, as shown in fig. 2, in a specific use process, (1) a kirschner wire B is firstly respectively struck on one end of a leg a and a fracture position, a proper kirschner wire hole 5 and a fixing support with a corresponding width are selected according to the position of the kirschner wire B and the fracture position, the fixing support is strung on the corresponding kirschner wire B, and the fastening of the fixing support by a cover plate bolt 6 ensures that the leg a and the fixing support remain relatively stationary.
(2) Scanning a leg CT or MRI image with a fixed support, uploading the scanned image to a magnetic navigation positioning operation system, and generating a corresponding three-dimensional model.
(3) The instrument tracking needle clamp is fixed on the Kirschner wire at one end of the leg bone A, the fixed support and the leg bone A are positioned in the magnetic field range, a plurality of points are taken on the fixed support by using the probe to perform preoperative registration, further the association registration of the leg bone A and the three-dimensional model is completed, after the registration is completed, only the fixed block 15, the corresponding Kirschner wire B and the instrument tracking needle clamp are reserved, and other Kirschner wires B, the detachable support 7, the main support 1 and the like are detached.
(4) After the removal is completed, the reduction of the leg bone fracture is completed by observing the reduction condition of the three-dimensional model.
The fixing support for assisting fracture reduction based on the electromagnetic navigation surgery system can assist in positioning the leg bones of a person and assist in completing the association registration of the leg bones and the three-dimensional model thereof, and further can improve the surgery reduction precision.
Claims (3)
1. A fixed bolster for assisting fracture reduction based on electromagnetic navigation operation system, its characterized in that: the novel multifunctional support comprises a circular arc-shaped main support, wherein a circular arc-shaped groove is formed in the left end face of the main support, a plurality of Kirschner pinholes and threaded holes are formed in the main support, the Kirschner pinholes correspond to the threaded holes one by one, each Kirschner pinhole penetrates through the main support along the up-down direction, each Kirschner pinhole is perpendicular to the corresponding threaded hole, and the Kirschner pinholes are distributed on the whole main support in a dispersed manner; the screw hole is also provided with a cover plate bolt for fixing the Kirschner wire; the fixing support further comprises at least one detachable support, the right end face of each detachable support is provided with an arc-shaped boss, the left end face of each detachable support is provided with an arc-shaped groove, the adjacent arc-shaped bosses are matched and spliced with the arc-shaped grooves, and the left end face of each detachable support is further provided with a positioning groove for positioning the fixing block; a plurality of hemispherical grooves are distributed on the detachable support in a dispersed manner, and the hemispherical grooves are used for being matched with the probes; each detachable support and the main support can be sequentially inserted together through the matching of the arc-shaped boss and the arc-shaped groove, the fixing block and the positioning groove can be inserted together, the fixing block is provided with Kirschner pinholes and threaded holes, the Kirschner pinholes are in one-to-one correspondence with the threaded holes, each Kirschner pinhole penetrates through the fixing block along the up-down direction, each Kirschner pinhole is perpendicular to the corresponding threaded hole, and a cover plate bolt for fixing the Kirschner needle is further arranged at the threaded hole.
2. The electromagnetic navigation surgery system-based fixation bracket for aiding in fracture reduction according to claim 1, wherein: the dimensions in the left-right direction of each detachable support may be different.
3. The fixation bracket for assisting fracture reduction based on an electromagnetic navigation surgical system according to claim 1 or 2, characterized in that: the front end and the rear end of the main support extend leftwards to form connecting plates respectively, and a first boss is arranged on the upper end face of each connecting plate; the front and back both ends of every detachable support all are equipped with first recess, and each detachable support and main support pass through circular-arc boss and circular-arc recess's cooperation can peg graft together in proper order, and each detachable support and main support still can peg graft together through a plurality of connecting blocks and connecting plate in proper order, and the left end face of every connecting block and connecting plate all is equipped with the second recess, and the right-hand member face of every connecting block is equipped with the second boss, and adjacent second boss is pegged graft with the cooperation of second recess, is equipped with first boss on the up end of every connecting block, and adjacent first boss is pegged graft with the cooperation of first recess.
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CN201910468648.4A CN110037783B (en) | 2019-05-31 | 2019-05-31 | Fixed support for assisting fracture reduction based on electromagnetic navigation operation system |
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CN201910468648.4A CN110037783B (en) | 2019-05-31 | 2019-05-31 | Fixed support for assisting fracture reduction based on electromagnetic navigation operation system |
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CN110037783A CN110037783A (en) | 2019-07-23 |
CN110037783B true CN110037783B (en) | 2024-03-22 |
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CN110037784A (en) * | 2019-05-31 | 2019-07-23 | 山东威高医疗科技有限公司 | A kind of fixation bracket resetted for aids fracture based on electromagnetic navigation technology |
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CN2038372U (en) * | 1988-05-19 | 1989-05-31 | 中日友好医院 | Fixation support for reduction of fracture |
RU2152762C1 (en) * | 1999-03-31 | 2000-07-20 | Уральский научно-исследовательский институт травматологии и ортопедии | Method and device for treating fractures and pseudoarthroses of femoral neck |
CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
WO2013005130A1 (en) * | 2011-07-06 | 2013-01-10 | Ncs Lab S.R.L. | Fixator for bone fractures |
CN104042314A (en) * | 2014-06-25 | 2014-09-17 | 天津市新中医疗器械有限公司 | Outer fixing support with rings and bars combined |
CN104382643A (en) * | 2014-12-12 | 2015-03-04 | 陈伟 | Kirschner wire positioner for minimally invasive fixation for fracture |
CN108553152A (en) * | 2018-05-11 | 2018-09-21 | 石家庄高新区亿成科技有限公司 | Orthopaedics arbitrarily has an X-rayed replacement and fixation frame |
CN207886266U (en) * | 2017-08-14 | 2018-09-21 | 河北博川医疗器械有限公司 | Horizontal type bone moves external fixing rack |
CN208301717U (en) * | 2017-11-12 | 2019-01-01 | 李永耀 | A kind of Kirschner wire of the orthopaedics with fixed device |
CN208838286U (en) * | 2018-08-02 | 2019-05-10 | 张珊珊 | A kind of Combined medical formula fixation support for reduction of fracture |
CN210250031U (en) * | 2019-05-31 | 2020-04-07 | 山东威高医疗科技有限公司 | Fixing support for assisting fracture reduction based on electromagnetic navigation surgery system |
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2019
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CN2038372U (en) * | 1988-05-19 | 1989-05-31 | 中日友好医院 | Fixation support for reduction of fracture |
RU2152762C1 (en) * | 1999-03-31 | 2000-07-20 | Уральский научно-исследовательский институт травматологии и ортопедии | Method and device for treating fractures and pseudoarthroses of femoral neck |
CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
WO2013005130A1 (en) * | 2011-07-06 | 2013-01-10 | Ncs Lab S.R.L. | Fixator for bone fractures |
CN104042314A (en) * | 2014-06-25 | 2014-09-17 | 天津市新中医疗器械有限公司 | Outer fixing support with rings and bars combined |
CN104382643A (en) * | 2014-12-12 | 2015-03-04 | 陈伟 | Kirschner wire positioner for minimally invasive fixation for fracture |
CN207886266U (en) * | 2017-08-14 | 2018-09-21 | 河北博川医疗器械有限公司 | Horizontal type bone moves external fixing rack |
CN208301717U (en) * | 2017-11-12 | 2019-01-01 | 李永耀 | A kind of Kirschner wire of the orthopaedics with fixed device |
CN108553152A (en) * | 2018-05-11 | 2018-09-21 | 石家庄高新区亿成科技有限公司 | Orthopaedics arbitrarily has an X-rayed replacement and fixation frame |
CN208838286U (en) * | 2018-08-02 | 2019-05-10 | 张珊珊 | A kind of Combined medical formula fixation support for reduction of fracture |
CN210250031U (en) * | 2019-05-31 | 2020-04-07 | 山东威高医疗科技有限公司 | Fixing support for assisting fracture reduction based on electromagnetic navigation surgery system |
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Title |
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新型半环形外固定支架治疗胫骨骨不连的效果观察;刘林等;《中国现代医生》;第52卷(第16期);第32-34, 37页 * |
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