CN103860246A - Vertebral pedicle screw and thoracolumbar spine anterior internal fixing system - Google Patents
Vertebral pedicle screw and thoracolumbar spine anterior internal fixing system Download PDFInfo
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- CN103860246A CN103860246A CN201210537131.4A CN201210537131A CN103860246A CN 103860246 A CN103860246 A CN 103860246A CN 201210537131 A CN201210537131 A CN 201210537131A CN 103860246 A CN103860246 A CN 103860246A
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- internal fixation
- pad
- screw
- fixation system
- pedicle screw
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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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7044—Screws or hooks combined with longitudinal elements which do not contact vertebrae also having plates, staples or washers bearing on the vertebrae
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8695—Washers
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
Abstract
The invention provides a vertebral pedicle screw and a thoracolumbar spine anterior internal fixing system. The vertebral pedicle screw comprises a head portion with internal threads, a screw rod with external threads, and a gasket. One end of the screw rod, which is connected with the head portion, is provided with a circumferential groove, the gasket is snapped inside the circumferential groove and can rotate relative to the screw rod around the longitudinal axis of the screw rod, and the upper surface of the gasket abuts against the bottom surface of the head portion. When the vertebral pedicle screw is screwed in, the gasket is pressed into a centrum, so that the surgical operation difficulty can be reduced, injury to the patient can be reduced, surgical time can be saved, and the combination firmness between an implant and the centrum can be enhanced. The invention also relates to a thoracolumbar spine anterior internal fixing system. The thoracolumbar spine anterior internal fixing system comprises a plug screw, a connecting bar and the vertebral pedicle screw.
Description
Technical field
The present invention relates to orthopaedics implant field, be specifically related to spinal surgery, such as the implant field that is used for the treatment of or repairs patient's spinal disease, particularly pedicle screw and breast anterior lumbar internal fixation system.
Background technology
The spinal surgery for the treatment of or reparation patient's spinal disease has the history of decades.At present, orthopedic for internal fixation of spine clinically, when the diseases such as lumbar vertebra compression fracture, lumbar-thoracic spine tumor and other deformity need to be carried out thoracic spine surgery internal fixation treatment, doctor selects the method for front road or posterior approach approach conventionally according to patient's situation.When before spinal column, when center pillar shakiness, Vertebral body, tuberculosis, tumor, using fixingly in front road can obviously increase the stability of spinal column in all directions and reject pathological changes, reinvent spinal column physiology and appearance.
Anterior decompression and fusion, except reaching decompression object, can also be recovered the height of intervertebral disc and intervertebral foramina, rebuild breast lumbar stability.Before front road bone grafting and interior secure bond can be spinal column, line structure provides strong support, and makes spinal column recover enough stability.Between the vertebral body of front road, merge compared with Posterior Fusion, between vertebral body larger contact surface and abundant blood for more preferably implant bed is provided, thereby the having higher success rate of fusion.When after posterior fusion failure, front road fusion often becomes even more ideal even unique selection.
As shown in Figure 9, conventional breast anterior lumbar fixed system comprises: pedicle screw 4 ', pad 5 ', plug screw (not shown), horizontal-associate device 3 ', pitman 1 ' and 2 '.Make it to be combined into a fixed frame and to come to need in stable frame with vertebral body the spinal segments for the treatment of by assembling such nail-stick system.
Chinese utility model patent 99232520X discloses a kind of breast anterior lumbar reseting fixture, it comprises strut, vertebral body screw, cross-bridges intermediate plate and door shape sole, wherein support bar is made up of connection tube docking expansion link, and steady arm is connected by trip bolt is vertical with vertebral body screw.
Chinese utility model patent CN 03236836.4 discloses fixing orthotic device in the multi-segmental of the front road of another kind of spinal column, this fixture comprises several for being screwed into comprising pedicle screw, pitman, tightening plug screw and pad of vertebral body, and the vertebral body screw being installed on each pad has one at least for Universal screw nail.
Chinese utility model patent 200920222845.X discloses another diplopore both feet and has dissected shape pad and breast anterior lumbar nail-stick system, this pad is the two arc clout bodies of a shape of a saddle, cross section on its length and width is all bending circular arc, there is the vertebral body anatomical surface identical with corpus vertebrae surface of bone, and this breast anterior lumbar nail-stick system comprises 4 pedicle screws, 2 described pads, 2 pitmans, a 1-2 horizontal-associate device.
Chinese utility model patent 201120387224.4 discloses another breast anterior lumbar internal fixation system, comprise: first, second connecting rod that pair of parallel arranges, for connecting a pair of contiguous block of this first, second connecting rod, and be located at the multiple screws on first, second connecting rod, it increases circular arc pad and circular gasket on conventional spine nail bar system basis, and pad is applicable to provide the screw angle of 10 °.
In existing breast anterior lumbar internal fixation system as shown in Figure 9, when operation, need first pad 5 ' to be knocked in to vertebral body, then pedicle screw 4 ' is screwed in vertebral body along the hole on pad 5 '.Beat the more difficult grasp of dynamics of pad, not light striking to enter, having weighed can Spinal Cord.
Summary of the invention
The object of the invention is to address this problem.For this reason, the present invention proposes a kind of pedicle screw for breast anterior lumbar internal fixation system.Described pedicle screw comprises the female head of tool and has externally threaded screw rod, it is characterized in that, described pedicle screw also comprises pad, described screw rod is provided with circumferential recess in the one end that borders on described head, pad is buckled in described circumferential recess, described pad can rotate with respect to screw rod around the longitudinal axis of screw rod, and the basal surface of described head is resisted against the upper surface of described pad.Operation technique difficulty is simplified and reduced to pedicle screw of the present invention, because can pad be pressed in vertebral body in being screwed into pedicle screw when operation, two original steps can be combined into a step, and without beaing again pad, alleviate the damage to patient, save operating time.
Preferably, the basal surface of described head is protruding sphere, and the upper surface of described pad is concave spherical surface.Under this structure, because the bottom sphere of pedicle screw and the top sphere self-centering of pad are pressed into, it is in conjunction with dense, fixing after first phase can not produce unstable phenomenon.In addition, increase the firmness that implant is combined with vertebral body.The combined axis that makes bone thread and vertebral body because of the resistance of pad in the time being screwed into pedicle screw is to increasing bone density.
Preferably, the upper surface of described pad is radially provided with strain groove.
The present invention also provides a kind of breast anterior lumbar internal fixation system, it comprises plug screw, pitman, it is characterized in that, described breast anterior lumbar internal fixation system also comprises the pedicle screw multiple as above being fixed on pitman, and described pedicle screw is coordinated and is fixed on pitman with corresponding plug screw by the female thread of its head.
Internal fixation system of the present invention can be used in the front road of scoliosis fixing orthopedic, or the disease such as lumbar vertebra compression fracture, lumbar-thoracic spine tumor and other deformity of spine need to be carried out spinal column front road single segmental or multi-segmental operation internal fixation treatment.
Basic inventive embodiment, described breast anterior lumbar internal fixation system is to merge internal fixation system between the vertebral body of the front road of waist thoracic vertebra, between the vertebral body of the front road of described waist thoracic vertebra, merge internal fixation system and comprise two pitmans, and also comprise at least one horizontal-associate device of installing between described two pitmans, on each pitman, be fixed with multiple described pedicle screws.
Basic inventive embodiment, described breast anterior lumbar internal fixation system is fixing double stick orthopedic system in the front road of spinal column, it comprises two pitmans, is fixed with multiple described pedicle screws on each pitman.
Basic inventive embodiment, described breast anterior lumbar internal fixation system is fixing single excellent orthopedic system in the front road of spinal column, it comprises single pitman.
Advantage of the present invention is to reduce operation technique difficulty, alleviates the damage to patient, saves operating time, increases the firmness that implant is combined with vertebral body.
Brief description of the drawings
By the detailed description of with reference to the accompanying drawings embodiment of the present invention being carried out, feature of the present invention and advantage thereof will be apparent.In the drawings:
Fig. 1 is the schematic diagram of the breast anterior lumbar internal fixation system of the embodiment of the present invention, and it is shown as between breast anterior lumbar vertebral body and merges internal fixation system.
Fig. 2 is the schematic diagram of the pedicle screw of the embodiment of the present invention.
Fig. 3 is that the pedicle screw shown in Fig. 2 has removed the schematic diagram in the situation of pad.
Fig. 4 is the schematic diagram of the pad of the pedicle screw shown in Fig. 2.
Fig. 5 is the schematic diagram of another embodiment of pad of the present invention.
Fig. 6 is the schematic diagram of another embodiment of pad of the present invention.
Fig. 7 is the schematic diagram of fixing double stick orthopedic system in the front road of spinal column.
Fig. 8 is the schematic diagram of fixing single excellent orthopedic system in the front road of spinal column.
Fig. 9 is the schematic diagram of the front traffic stud bar system of spinal column of prior art.
Reference numerals list
1, the screw rod of the head 2 of pedicle screw, plug screw 3, pitman 4, horizontal-associate device 5, pad 6, pedicle screw
7, protruding sphere 8, circumferential recess
9, concave spherical surface 10, elastic groove 11, stitch
1 ' pitman 2 ' pitman 3 ' horizontal-associate device 4 ' pedicle screw 5 ' pad
Detailed description of the invention
Embodiments of the invention are described with reference to the accompanying drawings.
Fig. 1 shows an embodiment of breast anterior lumbar internal fixation system of the present invention.In this example, breast anterior lumbar internal fixation system is to merge internal fixation system between breast anterior lumbar vertebral body.This system comprises four pedicle screws, two pitmans 3 and be arranged on a horizontal-associate device 4 between pitman 3, each pedicle screw is coordinated and is individually fixed on two pitmans 3 with the external screw thread of corresponding bolt 2 by the female thread of its head 1, is fixed with two pedicle screws on each pitman 3.
Fig. 2 has shown the pedicle screw of the embodiment of the present invention.As shown in Figure 2, the pedicle screw of the embodiment of the present invention is made up of two parts, i.e. pad 5 and pedicle screw.As shown in Figure 3, pedicle screw comprises head 1 and screw rod 6, and head 1 has female thread, and screw rod 6 is provided with circumferential recess 8 with the thread root that head joins.In addition, the basal surface 7 of head 1 is configured to protruding sphere.
Fig. 4 has shown the embodiment of pad 5.In this example, pad 5 is circular, has several stitch along circular circumference.In addition, the upper surface 9 of pad 5 is configured to concave spherical surface, to cooperate with the basal surface of the head 1 of pedicle screw.On the upper surface of pad 5, be also provided with elastic groove 10.
Fig. 5-Fig. 6 has shown other embodiment of pad.In Fig. 5, pad 5 is square, has 4 stitch, is arranged in four bights.In Fig. 6, pad 5 is also square, also has 4 stitch, but is arranged in the centre position of four edges.
When operation, by a custom-designed upper crow-bar locating shim 5, and be screwed into pedicle screw, make it to be combined with vertebral body.In the time being screwed into pedicle screw, due to the protruding sphere 7 of screw rod 6 of pedicle screw and the concave spherical surface 9 of pad 5 leans and screw rod 6 and pad between can relatively rotate, so pad 5 is exerted pressure, the nail foot 11 on pad is slowly pressed in vertebral body.
Pedicle screw of the present invention also can be used for different breast anterior lumbar internal fixation systems, fixing single excellent orthopedic system in the front road of the spinal column that comprises single pitman shown in fixing double stick orthopedic system and Fig. 8 in the front road of the spinal column that only comprises two pitmans as shown in Figure 7.
The present invention, by pedicle screw and pad integrator in conventional breast anterior lumbar internal fixation system, forms a kind of novel vertebral pedicle bolt.Operation technique difficulty is simplified and reduced to this structure.Former operating procedure is first pad to be knocked in to vertebral body, then pedicle screw is screwed in vertebral body along the hole on pad, beats the more difficult grasp of dynamics of pad, not light striking to enter, and having weighed can Spinal Cord.Be when being screwed into novel vertebral body screw, pad to be pressed in vertebral body now, two steps are synthesized a step, without beaing pad, alleviate the damage to patient, save operating time.
2, increase the firmness that implant is combined with vertebral body.In the time being screwed into novel vertebral body screw, increase bone density because the resistance of pad makes the combined axis of bone thread and vertebral body to meeting, fixing rear first phase can not produce unstable phenomenon.
It will be understood by those skilled in the art that above description is exemplary.In the situation that not deviating from thought of the present invention and scope, those skilled in the art can make numerous modifications and variations to the present invention.
Claims (7)
1. pedicle screw, it comprises the female head of tool and has externally threaded screw rod, it is characterized in that, described pedicle screw also comprises pad, described screw rod is provided with circumferential recess in the one end that borders on described head, pad is buckled in described circumferential recess, and described pad can rotate with respect to screw rod around the longitudinal axis of screw rod, and the basal surface of described head is resisted against the upper surface of described pad.
2. pedicle screw according to claim 1, is characterized in that, the basal surface of described head is protruding sphere, and the upper surface of described pad is concave spherical surface.
3. pedicle screw according to claim 1 and 2, is characterized in that, the upper surface of described pad is radially provided with elastic groove.
4. breast anterior lumbar internal fixation system, it comprises plug screw, pitman, it is characterized in that, described breast anterior lumbar internal fixation system also comprises the multiple pedicle screws as described in any one in claim 1-3 that are fixed on pitman, and described pedicle screw is coordinated and is fixed on pitman with corresponding plug screw by the female thread of its head.
5. breast anterior lumbar internal fixation system according to claim 4, it is characterized in that, described breast anterior lumbar internal fixation system is to merge internal fixation system between the vertebral body of the front road of waist thoracic vertebra, between the vertebral body of the front road of described waist thoracic vertebra, merge internal fixation system and comprise two pitmans, and also comprise at least one horizontal-associate device of installing between described two pitmans, on each pitman, be fixed with multiple described pedicle screws.
6. breast anterior lumbar internal fixation system according to claim 4, it is characterized in that, described breast anterior lumbar internal fixation system is fixing double stick orthopedic system in the front road of spinal column, and it comprises two pitmans, is fixed with multiple described pedicle screws on each pitman.
7. breast anterior lumbar internal fixation system according to claim 4, is characterized in that, described breast anterior lumbar internal fixation system is fixing single excellent orthopedic system in the front road of spinal column, and it comprises single pitman.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537131.4A CN103860246B (en) | 2012-12-12 | 2012-12-12 | Pedicle screw and Thoracolumbar disk Anterior fixation system |
| PCT/CN2013/088731 WO2014090114A1 (en) | 2012-12-12 | 2013-12-06 | Pedicle screw and anterior thoracic/lumbar vertebral internal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537131.4A CN103860246B (en) | 2012-12-12 | 2012-12-12 | Pedicle screw and Thoracolumbar disk Anterior fixation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103860246A true CN103860246A (en) | 2014-06-18 |
| CN103860246B CN103860246B (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210537131.4A Active CN103860246B (en) | 2012-12-12 | 2012-12-12 | Pedicle screw and Thoracolumbar disk Anterior fixation system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103860246B (en) |
| WO (1) | WO2014090114A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970874A (en) * | 2015-07-24 | 2015-10-14 | 王清 | Dissection type pedicle screw |
| CN107041800A (en) * | 2017-01-21 | 2017-08-15 | 张洪剑 | The artificial spinal devices of New type detachable |
| CN109171924A (en) * | 2018-08-31 | 2019-01-11 | 厉锋 | Fixed appliance in lumbar vertebral posterior |
| CN109875668A (en) * | 2019-04-03 | 2019-06-14 | 广东施泰宝医疗科技有限公司 | Assembly type Thoracolumbar disk Anterior fixation system |
| CN110916785A (en) * | 2019-12-17 | 2020-03-27 | 浙江德康医疗器械有限公司 | Thoracolumbar anterior system |
| CN111616785A (en) * | 2020-05-23 | 2020-09-04 | 徐州长风生物科技有限公司 | Bone screw capable of preventing retreat and slowly releasing nutrient solution |
| CN111616787A (en) * | 2020-05-23 | 2020-09-04 | 徐州长风生物科技有限公司 | Prestress anti-back bone screw assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358546B (en) * | 2018-12-26 | 2023-10-17 | 北京纳通医学科技研究院有限公司 | Screw plug mounting device |
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| US5269784A (en) * | 1991-12-10 | 1993-12-14 | Synthes (U.S.A.) | Screw nut for plate osteosynthesis |
| US5690629A (en) * | 1996-04-24 | 1997-11-25 | Acromed Corporation | Apparatus for maintaining vertebrae of a spinal column in a desired spatial relationship |
| US5947969A (en) * | 1998-10-19 | 1999-09-07 | Third Millennium Engineering, Llc | Rotatable locking vertebral body screw, staple and rod assembly |
| US20020042615A1 (en) * | 1996-02-16 | 2002-04-11 | Smith & Nephew, Inc., A Delaware Corporation | Graft anchor |
| CN101146486A (en) * | 2005-03-24 | 2008-03-19 | 德普伊斯派尔公司 | Low profile spinal tethering devices |
| CN201537127U (en) * | 2009-09-22 | 2010-08-04 | 郭谦 | Dissection gasket with double holes and double feet and anterior thoracolumbar screw rod system |
| CN203017074U (en) * | 2012-12-12 | 2013-06-26 | 上海微创骨科医疗科技有限公司 | Pedicle screw and thoracolumbar spine anterior cervical plate system |
-
2012
- 2012-12-12 CN CN201210537131.4A patent/CN103860246B/en active Active
-
2013
- 2013-12-06 WO PCT/CN2013/088731 patent/WO2014090114A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269784A (en) * | 1991-12-10 | 1993-12-14 | Synthes (U.S.A.) | Screw nut for plate osteosynthesis |
| US20020042615A1 (en) * | 1996-02-16 | 2002-04-11 | Smith & Nephew, Inc., A Delaware Corporation | Graft anchor |
| US5690629A (en) * | 1996-04-24 | 1997-11-25 | Acromed Corporation | Apparatus for maintaining vertebrae of a spinal column in a desired spatial relationship |
| US5947969A (en) * | 1998-10-19 | 1999-09-07 | Third Millennium Engineering, Llc | Rotatable locking vertebral body screw, staple and rod assembly |
| CN101146486A (en) * | 2005-03-24 | 2008-03-19 | 德普伊斯派尔公司 | Low profile spinal tethering devices |
| CN201537127U (en) * | 2009-09-22 | 2010-08-04 | 郭谦 | Dissection gasket with double holes and double feet and anterior thoracolumbar screw rod system |
| CN203017074U (en) * | 2012-12-12 | 2013-06-26 | 上海微创骨科医疗科技有限公司 | Pedicle screw and thoracolumbar spine anterior cervical plate system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970874A (en) * | 2015-07-24 | 2015-10-14 | 王清 | Dissection type pedicle screw |
| CN104970874B (en) * | 2015-07-24 | 2018-07-20 | 王清 | Anatomical form pedicle screw |
| CN107041800A (en) * | 2017-01-21 | 2017-08-15 | 张洪剑 | The artificial spinal devices of New type detachable |
| CN109171924A (en) * | 2018-08-31 | 2019-01-11 | 厉锋 | Fixed appliance in lumbar vertebral posterior |
| CN109875668A (en) * | 2019-04-03 | 2019-06-14 | 广东施泰宝医疗科技有限公司 | Assembly type Thoracolumbar disk Anterior fixation system |
| CN110916785A (en) * | 2019-12-17 | 2020-03-27 | 浙江德康医疗器械有限公司 | Thoracolumbar anterior system |
| CN110916785B (en) * | 2019-12-17 | 2024-01-12 | 浙江德康医疗器械有限公司 | Thoracolumbar anterior system |
| CN111616785A (en) * | 2020-05-23 | 2020-09-04 | 徐州长风生物科技有限公司 | Bone screw capable of preventing retreat and slowly releasing nutrient solution |
| CN111616787A (en) * | 2020-05-23 | 2020-09-04 | 徐州长风生物科技有限公司 | Prestress anti-back bone screw assembly |
| CN111616785B (en) * | 2020-05-23 | 2022-01-28 | 暨南大学 | Bone screw capable of preventing retreat and slowly releasing nutrient solution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103860246B (en) | 2016-12-21 |
| WO2014090114A1 (en) | 2014-06-19 |
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Address after: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-third 1-28 Applicant after: Shanghai MicroPort Orthopedics Co., Ltd. Applicant after: SUZHOU MINIMALLY-INVASIVE SPINE TRAUMA MEDICAL TECHNOLOGY CO., LTD. Address before: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-third 1-28 Applicant before: Shanghai MicroPort Orthopedics Co., Ltd. Applicant before: Suhzou Health Medical Treatment Apparatus Co.,Ltd. |
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Effective date of registration: 20181213 Address after: 215000 Workshop B, No. 112 Fangzhong Street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou Minimally Invasive Spinal Trauma Medical Technology Co., Ltd. Address before: 201318 twenty-third, 1-28 Lane 588, Tian Xiong Road, Zhou Pu town, Pudong New Area, Shanghai Co-patentee before: Suzhou Minimally Invasive Spinal Trauma Medical Technology Co., Ltd. Patentee before: Shanghai MicroPort Orthopedics Co., Ltd. |