CN104323849A - Sacral hole dislocation resetting steel plate and mounting method thereof - Google Patents
Sacral hole dislocation resetting steel plate and mounting method thereof Download PDFInfo
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- CN104323849A CN104323849A CN201410596100.5A CN201410596100A CN104323849A CN 104323849 A CN104323849 A CN 104323849A CN 201410596100 A CN201410596100 A CN 201410596100A CN 104323849 A CN104323849 A CN 104323849A
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- steel plate
- plate
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- hole
- reduction
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention provides a sacral hole dislocation resetting steel plate and a mounting method thereof. Along with development of spine surgery and the innovation and increase of new instruments and internal fixation varieties, resetting of a dislocated vertebral body is realized, but the defects of unstable internal fixation or poor resetting force exist. The sacral hole dislocation resetting steel plate comprises a long hole steel plate, wherein the long hole steel plate comprises a plate body, a plate handle and a triangular bulge; the plate body is connected with the plate handle; the triangular bulge is connected to the juncture of the plate body and the plate handle; the plate body is provided with longitudinal-row longs holes and longitudinal-row short holes, and the longitudinal-row long holes are parallel to the longitudinal-row short holes; the longitudinal-row short holes are adjacent to one end of the plate handle; the longitudinal-row long holes are internally provided with pedicle bolts, and the longitudinal-row short holes are internally provided with supporting point screw rods. The sacral hole dislocation resetting steel plate is applied to surgical instruments used in lumbar vertebrae dislocation and sacral hole dislocation steel plate resetting fixation process.
Description
technical field:
the present invention relates to a kind of sacrum hole reduction of spondylolisthesis steel plate and installation method.
background technology:
along with the progress of spinal surgery and new apparatus, internal fixtion kind wound with and increase, the reset of intervertebral can become a reality, but there is the not firm or hypodynamic shortcoming that resets of internal fixtion.Slippage steel plate is the object relying on mechanical force to reach reset completely, and the weighing arm of common slippage steel plate is longer than the arm of force, greatly can add the load-bearing at gravity station place during reset, causes operation process long, complex operation, and effect is bad.
summary of the invention:
the object of this invention is to provide a kind of sacrum hole reduction of spondylolisthesis steel plate and installation method.
above-mentioned object is realized by following technical scheme:
a kind of sacrum hole reduction of spondylolisthesis steel plate, its composition comprises: elongated hole steel plate, described elongated hole steel plate comprises plate body, plate handle, triangle projection, described plate body is connected with described plate handle, described triangle projection is connected to the intersection of described plate body and described plate handle, and described plate body is parallel is provided with stringer elongated hole and stringer short-bore, and described stringer short-bore is near described plate handle one end, be provided with pedicle screw in described stringer elongated hole, in described stringer short-bore, be provided with fulcrum screw.
described sacrum hole reduction of spondylolisthesis steel plate, in 130 degree of angles between described plate body and described plate handle.
described sacrum hole reduction of spondylolisthesis steel plate, described plate handle is narrow and flat, S-shaped.
described sacrum hole reduction of spondylolisthesis steel plate, the tail end of described plate handle turns up 15 degree of angles.
described sacrum hole reduction of spondylolisthesis steel plate, the top of described pedicle screw is divided into coarse thread, and the bottom of described pedicle screw is divided into fine thread.
described sacrum hole reduction of spondylolisthesis steel plate, described pedicle screw is by the stringer elongated hole described in reduction nut precession, and described pedicle screw is fixed in described stringer elongated hole by hold-down nut.
described sacrum hole reduction of spondylolisthesis steel plate, described fulcrum screw is fixed in described stringer short-bore by described hold-down nut.
a kind of installation method of described sacrum hole reduction of spondylolisthesis steel plate, the method comprises the steps: with steel plate body handle boundary triangle projection as fulcrum props up in posterior sacral foramina upper limb, with the far-end of handle for force is butted on the cortical bone of anterior sacral foramina lower edge, with a bit attaching most importance to of steel plate position elongated hole, by passing through the pedicle screw coarse groove partial fixing intervertebral in this hole, by means of reduction nut precession in screw microgroove part, shorten nut and vertebral body spacing, progressively intervertebral rearward retracted as lifting heavy goods sample and reset, and at the additional fulcrum of body root, fulcrum is moved forward, extend the arm of force, shorten weighing arm, during reset, the burden of anterior sacral foramina sclerotin and unlikely destroyed can be alleviated at double, to ensure intact leverage and powerful reset response.
beneficial effect of the present invention:
the present invention utilizes its leverage and crane or tower crane principle to complete the reset of intervertebral, can be used for treating lumbar spondylolisthesis, has reset force large, decompression thoroughly, the feature that Bone graft healing rate is high.
the present invention is according to the feature of human body lumbar vertebra, plate body turns up and adapts to the direction that pedicle screw enters vertebral body, plate handle is convenient to insert sacrum hole, at the additional fulcrum of body root, fulcrum is moved forward, extend the arm of force, shorten weighing arm, during reset, the burden of anterior sacral foramina sclerotin and unlikely destroyed can be alleviated at double, to ensure intact leverage and powerful reset response.
product of the present invention is used to carry out in reseting procedure, with steel plate body handle boundary triangle projection for fulcrum props up in posterior sacral foramina upper limb, with the far-end of handle for force is butted on the cortical bone of anterior sacral foramina lower edge, with a bit attaching most importance to of steel plate position elongated hole, by passing through the pedicle screw coarse groove partial fixing intervertebral in this hole, by means of reduction nut precession in screw microgroove part, shorten nut and vertebral body spacing, progressively intervertebral rearward retracted as lifting heavy goods sample and reset, and at the additional fulcrum of body root, fulcrum is moved forward, extend the arm of force, shorten weighing arm, during reset, the burden of anterior sacral foramina sclerotin and unlikely destroyed can be alleviated at double, to ensure intact leverage and powerful reset response.
the present invention realizes intense adjustment by the different thread pitch of different parts.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
detailed description of the invention:
embodiment 1:
a kind of sacrum hole reduction of spondylolisthesis steel plate, its composition comprises: elongated hole steel plate (1), described elongated hole steel plate comprises plate body (2), plate handle (3), triangle projection (4), described plate body is connected with described plate handle, described triangle projection is connected to the head end of described plate handle, described plate body is parallel is provided with stringer elongated hole (5) and stringer short-bore (6), described stringer short-bore is near described plate handle one end, be provided with pedicle screw (7) in described stringer elongated hole, in described stringer short-bore, be provided with fulcrum screw (8).
embodiment 2:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1, in 130 degree of angles between described plate body and described plate handle.
embodiment 3:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1 or 2, described plate handle is narrow and flat, S-shaped.
embodiment 4:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1 or 2 or 3, the tail end of described plate handle turns up 15 degree of angles.
embodiment 5:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1 or 2 or 3 or 4, the top of described pedicle screw is divided into coarse thread, and the bottom of described pedicle screw is divided into fine thread.
embodiment 6:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1 or 2 or 3 or 4 or 5, described pedicle screw is by the stringer elongated hole described in reduction nut (9) precession, and described pedicle screw is fixed in described stringer elongated hole by hold-down nut 10.
embodiment 7:
sacrum hole reduction of spondylolisthesis steel plate according to embodiment 1 or 2 or 3 or 4 or 5 or 6, described fulcrum screw is fixed in described stringer short-bore by described hold-down nut.
embodiment 8:
when described sacrum hole reduction of spondylolisthesis steel plate is installed, with steel plate body handle boundary triangle projection for fulcrum props up in posterior sacral foramina upper limb, with the far-end of handle for force is butted on the cortical bone of anterior sacral foramina lower edge, with a bit attaching most importance to of steel plate position elongated hole, by passing through the pedicle screw coarse groove partial fixing intervertebral in this hole, by means of reduction nut precession in screw microgroove part, shorten nut and vertebral body spacing, progressively intervertebral rearward retracted as lifting heavy goods sample and reset, and at the additional fulcrum of body root, fulcrum is moved forward, extend the arm of force, shorten weighing arm, during reset, the burden of anterior sacral foramina sclerotin and unlikely destroyed can be alleviated at double, to ensure intact leverage and powerful reset response.
Claims (8)
1. a sacrum hole reduction of spondylolisthesis steel plate, its composition comprises: elongated hole steel plate, it is characterized in that: described elongated hole steel plate comprises plate body, plate handle, triangle projection, described plate body is connected with described plate handle, described triangle projection is connected to the intersection of described plate body and described plate handle, described plate body is parallel is provided with stringer elongated hole and stringer short-bore, described stringer short-bore is near described plate handle one end, be provided with pedicle screw in described stringer elongated hole, in described stringer short-bore, be provided with fulcrum screw.
2. sacrum hole according to claim 1 reduction of spondylolisthesis steel plate, is characterized in that: in 130 degree of angles between described plate body and described plate handle.
3. sacrum hole according to claim 1 and 2 reduction of spondylolisthesis steel plate, is characterized in that: described plate handle is narrow and flat, S-shaped.
4. the sacrum hole reduction of spondylolisthesis steel plate according to claim 1 or 2 or 3, is characterized in that: the tail end of described plate handle turns up 15 degree of angles.
5. the sacrum hole reduction of spondylolisthesis steel plate according to claim 1 or 2 or 3 or 4, it is characterized in that: the top of described pedicle screw is divided into coarse thread, the bottom of described pedicle screw is divided into fine thread.
6. the sacrum hole reduction of spondylolisthesis steel plate according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described pedicle screw is by the stringer elongated hole described in reduction nut precession, and described pedicle screw is fixed in described stringer elongated hole by hold-down nut.
7. the sacrum hole reduction of spondylolisthesis steel plate according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that: described fulcrum screw is fixed in described stringer short-bore by described hold-down nut.
8. the installation method of the sacrum hole reduction of spondylolisthesis steel plate that one of claim 1-7 is described, the method comprises the steps: with steel plate body handle boundary triangle projection as fulcrum props up in posterior sacral foramina upper limb, with the far-end of handle for force is butted on the cortical bone of anterior sacral foramina lower edge, with a bit attaching most importance to of steel plate position elongated hole, by passing through the pedicle screw coarse groove partial fixing intervertebral in this hole, by means of reduction nut precession in screw microgroove part, shorten nut and vertebral body spacing, progressively intervertebral rearward retracted as lifting heavy goods sample and reset, and at the additional fulcrum of body root, fulcrum is moved forward, extend the arm of force, shorten weighing arm, ensure intact leverage and powerful drawing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596100.5A CN104323849A (en) | 2014-10-30 | 2014-10-30 | Sacral hole dislocation resetting steel plate and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596100.5A CN104323849A (en) | 2014-10-30 | 2014-10-30 | Sacral hole dislocation resetting steel plate and mounting method thereof |
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| Publication Number | Publication Date |
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| CN104323849A true CN104323849A (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410596100.5A Pending CN104323849A (en) | 2014-10-30 | 2014-10-30 | Sacral hole dislocation resetting steel plate and mounting method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159202Y (en) * | 1993-05-05 | 1994-03-23 | 山东文登骨伤研究所 | Spinal slippage reduction fixator |
| CN201073333Y (en) * | 2007-09-17 | 2008-06-18 | 郑琦 | Iliosacral joint anatomizing type steel plate internal fixation device |
| US20080177263A1 (en) * | 2006-10-24 | 2008-07-24 | Aesculap Implant Systems, Inc | Dynamic stabilization device for anterior lower lumbar vertebral fusion |
| CN201350105Y (en) * | 2008-07-25 | 2009-11-25 | 中国人民解放军第四军医大学 | Spinal posterior sliding dynamic inner fixer |
| CN103082987A (en) * | 2013-02-04 | 2013-05-08 | 方玉树 | Lens for bone fracture |
-
2014
- 2014-10-30 CN CN201410596100.5A patent/CN104323849A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159202Y (en) * | 1993-05-05 | 1994-03-23 | 山东文登骨伤研究所 | Spinal slippage reduction fixator |
| US20080177263A1 (en) * | 2006-10-24 | 2008-07-24 | Aesculap Implant Systems, Inc | Dynamic stabilization device for anterior lower lumbar vertebral fusion |
| CN201073333Y (en) * | 2007-09-17 | 2008-06-18 | 郑琦 | Iliosacral joint anatomizing type steel plate internal fixation device |
| CN201350105Y (en) * | 2008-07-25 | 2009-11-25 | 中国人民解放军第四军医大学 | Spinal posterior sliding dynamic inner fixer |
| CN103082987A (en) * | 2013-02-04 | 2013-05-08 | 方玉树 | Lens for bone fracture |
Non-Patent Citations (2)
| Title |
|---|
| BANLANG: "腰椎滑脱复位内固定手术", 《医学百科》 * |
| 自动采集: "腰椎滑脱复位内固定手术", 《医源世界》 * |
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Application publication date: 20150204 |