CN104306057A - Novel self-rotating spine-distracting internal fixation system - Google Patents
Novel self-rotating spine-distracting internal fixation system Download PDFInfo
- Publication number
- CN104306057A CN104306057A CN201410578518.3A CN201410578518A CN104306057A CN 104306057 A CN104306057 A CN 104306057A CN 201410578518 A CN201410578518 A CN 201410578518A CN 104306057 A CN104306057 A CN 104306057A
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- Prior art keywords
- block
- internal fixation
- fixation system
- screw
- struts
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- 238000009987 spinning Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 206010041569 spinal fracture Diseases 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 208000007103 Spondylolisthesis Diseases 0.000 abstract 1
- 206010039722 scoliosis Diseases 0.000 abstract 1
- 208000037959 spinal tumor Diseases 0.000 abstract 1
- 238000002560 therapeutic procedure Methods 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000020339 Spinal injury Diseases 0.000 description 1
- 241001079814 Symphyotrichum pilosum Species 0.000 description 1
- 235000004224 Typha angustifolia Nutrition 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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, e.g. 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
- 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 or setting implements
- 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, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
- A61B17/7007—Parts of the longitudinal elements, e.g. their ends, being specially adapted to fit around the screw or hook heads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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
- A61B17/8665—Nuts
- A61B2017/867—Nuts with integral locking or clamping means
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a novel self-rotating spine-distracting internal fixation system comprising a fixed connector block, a connecting sleeve, a screw shaft, screw caps, a rotating adjusting opening, universal pedical screws, adjustable connecting fixer blocks and pedical screw adjusting ribs. The fixed connector block is disposed in the middle of the screw shaft. The connecting sleeve is fixed on two sides of the fixed connector block through the screw shaft. The screw caps are disposed on the upper portions of the adjustable connecting fixer blocks. The rotating adjusting opening is arranged in the right end of the screw shaft. The universal pedical screws are disposed on the lower portions of the adjustable connecting fixer blocks. The pedical screw adjusting ribs are arranged at the upper ends of the universal pedical screws. The novel self-rotating spine-distracting internal fixation system is simple in structure, novel in design, simple to produce and manufacture and convenient to clinically operate. The spine is reduced by self-rotating distraction during locking, with no need for surgical reduction; the system is applicable to open surgeries, minimally invasive surgical therapies and surgical treatment of spinal fracture, spondylolisthesis, scoliosis and spinal tumor and is convenient to popularize and practically use.
Description
[technical field]
The present invention relates to surgical medical equipment technical field, more specifically, relate to a kind of novel spinning and strut spinal internal fixation system.
[background technology]
At present, since spinal injury pedicle internal fixtion came out from 1987, the nearly more than ten years are from U.S. to Europe and be widely used all over the world and develop, and various new fixed form continues to bring out.Nail rod and nail-plate two systems are mainly divided into according to the difference of connected mode.Previous system applies wide sending out at present, can be used for reset and the internal fixtion of spinal fracture, degeneration, slippage, tumor of spine, skoliosis etc., a rear system is mainly used in centrum olisthe treatment, along with going deep into of the improvement of apparatus and spinal biomechanics research, the scope of application intersects expansion gradually mutually.Existing treatment spinal trauma spinal fixation system can not meet the requirement of spinal trauma.
Therefore, improve existing spinning to strut spinal internal fixation system and seem very necessary.
[summary of the invention]
In view of this, main purpose of the present invention is to provide a kind of novel spinning to strut spinal internal fixation system, and can solve the existing rotation spinal internal fixation system that certainly struts and there is adjustment inconvenience, cost is high, does not reach the technical problem for the treatment of desirable.
For achieving the above object, the technical scheme that the present invention takes is: the invention provides a kind of novel spinning and strut spinal internal fixation system, comprise and be fixedly connected with block, adapter sleeve, silk axle, cap nut, rotates and regulates mouth, Universal vertebra arch root screw, adjustable connection fixing block and nut nail regulate rib, the described block that is fixedly connected with comprises block, groove, running-on blend stop, described adapter sleeve comprises the collar and double wedge, described rotation regulates mouth to comprise square blind mouth, and described Universal vertebra arch root screw comprises stiff end, rotates screw thread and needle point;
Described is fixedly connected with the centre that block is arranged on an axle; Described adapter sleeve is arranged by silk axle and is fixed on the both sides being fixedly connected with block; Described cap nut is arranged on the top of adjustable connection fixing block; Described rotation regulates mouth to be arranged on the right-hand member of an axle; Described Universal vertebra arch root screw is arranged on the bottom of adjustable connection fixing block; Described nut nail regulates rib to be arranged on the upper end of Universal vertebra arch root screw;
Described block is arranged on the middle part being fixedly connected with block, described groove is arranged on the both sides of block, described running-on blend stop is arranged on the two ends up and down of groove, the described collar is arranged on the main body section of adapter sleeve, described double wedge is arranged on the upper and lower port of the collar, and described square blind mouth is arranged on the middle part rotating and regulate mouth, and described stiff end is arranged on the top of Universal vertebra arch root screw, described rotation screw thread is arranged on the bottom of stiff end, and described needle point is arranged on the bottom rotating screw thread.
Preferably, described is fixedly connected with block, adapter sleeve, and cap nut specifically adopts the stainless steel of medical grade to make.
Preferably, described running-on blend stop specifically adopts plastic material.
Preferably, described double wedge specifically adopts quality of rubber materials.
Preferably, described rotation regulates mouth to be designed specifically to the square blind hole of 0.5cm*0.5cm, and square spanner specifically can be used to regulate, and cost of manufacture easy to use is low.
Preferably, described silk axle specifically adopts diameter to be 6mm, and length is that the stainless steel of 40mm is made, and described silk axle is designed specifically to corresponding two.
Preferably, described Universal vertebra arch root screw specifically adopts titanium alloy material to make, and described Universal vertebra arch root screw can change the nail of various model specification according to practical situation.
Compared with prior art, the present invention has following beneficial effect: be widely used in technical field of medical instruments because the novel spinning of one of the present invention struts spinal internal fixation system.The present invention: structure is simple, novel in design, production and processing is simple, clinical manipulation is very convenient.Because spinning in locking process struts, fracture is resetted, do not need armrest art to carry out the reduction of the fracture.Not only can be used for open surgery, also can be used for minimal invasive operation, can be used for the operative treatment of the convex and tumor of spine in spinal fracture, slippage, side, be conducive to promoting and practice.
[accompanying drawing explanation]
Fig. 1 shows the structural representation strutting spinal internal fixation system according to a kind of novel spinning of the embodiment of the present invention;
Fig. 2 show strut spinal internal fixation system according to a kind of novel spinning of the embodiment of the present invention be fixedly connected with block structure schematic diagram;
Fig. 3 shows the connecting jacket structure schematic diagram strutting spinal internal fixation system according to a kind of novel spinning of the embodiment of the present invention;
Fig. 4 shows the rotation adjustment mouth structure schematic diagram strutting spinal internal fixation system according to a kind of novel spinning of the embodiment of the present invention;
Fig. 5 shows the Universal vertebra arch root screw structural representation strutting spinal internal fixation system according to a kind of novel spinning of the embodiment of the present invention; .
Labelling the following drawings labelling on figure by reference to the accompanying drawings:
1-is fixedly connected with block, 1-1-block, 1-2-groove, 1-3-running-on blend stop, 2-adapter sleeve, the 2-1-collar, 2-2-double wedge, 3-silk axle, 4-cap nut, 5-rotates and regulates mouth, the square blind mouth of 5-1-, 6-Universal vertebra arch root screw, 6-1-stiff end, 6-2-rotates screw thread, 6-3-needle point, 7-is adjustable connection fixing block, 8-nut nail regulates rib.
[detailed description of the invention]
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
As shown in Figure 1, the invention provides a kind of novel spinning and strut spinal internal fixation system, comprise and be fixedly connected with block 1, adapter sleeve 2, silk axle 3, cap nut 4, rotates and regulates mouth 5, Universal vertebra arch root screw 6, adjustable connection fixing block 7 and nut nail regulate rib 8, the described block 1 that is fixedly connected with comprises block 1-2, groove 1-2, running-on blend stop 1-3, described adapter sleeve 2 comprises collar 2-1 and double wedge 2-2, described rotation regulates mouth 5 to comprise square blind mouth 5-1, and described Universal vertebra arch root screw 6 comprises stiff end 6-1, rotates screw thread 6-2 and 6-3;
Described is fixedly connected with the centre that block 1 is arranged on an axle 3; Described adapter sleeve 2 is arranged by silk axle 3 and is fixed on the both sides being fixedly connected with block 1; Described cap nut 4 is arranged on the top of adjustable connection fixing block 7; Described rotation regulates mouth 5 to be arranged on the right-hand member of an axle 3; Described Universal vertebra arch root screw 6 is arranged on the bottom of adjustable connection fixing block 7; Described nut nail regulates rib 8 to be arranged on the upper end of Universal vertebra arch root screw 6;
Described block 1-1 is arranged on the middle part being fixedly connected with block 1, described groove 1-2 is arranged on the both sides of block 1-1, described running-on blend stop 1-3 is arranged on the two ends up and down of groove 1-2, described collar 2-1 is arranged on the main body section of adapter sleeve 2, described double wedge 2-2 is arranged on the upper and lower port of collar 2-1, described square blind mouth 5-1 is arranged on the middle part rotating and regulate mouth 5, described stiff end 6-1 is arranged on the top of Universal vertebra arch root screw 6, described rotation screw thread 6-2 is arranged on the bottom of fixing 6-1, and described needle point 6-3 is arranged on the bottom rotating screw thread 6-2.
Preferably, described is fixedly connected with block 1, adapter sleeve 2, and cap nut 4 specifically adopts the stainless steel of medical grade to make.
Preferably, described running-on blend stop 1-3 specifically adopts plastic material.
Preferably, described double wedge 2-2 specifically adopts quality of rubber materials.
Preferably, described rotation regulates mouth 5 to be designed specifically to the square blind hole of 0.5cm*0.5cm, and square spanner specifically can be used to regulate, and cost of manufacture easy to use is low.
Preferably, described silk axle 3 specifically adopts diameter to be 6mm, and length is that the stainless steel of 40mm is made, and described silk axle 3 is designed specifically to corresponding two.
Preferably, described Universal vertebra arch root screw 6 specifically adopts titanium alloy material to make, and described Universal vertebra arch root screw 6 can change various model specification Universal vertebra arch root screw according to practical situation.
Compared with prior art, the present invention has following beneficial effect: be widely used in technical field of medical instruments because the novel spinning of one of the present invention struts spinal internal fixation system.The present invention: structure is simple, novel in design, production and processing is simple, clinical manipulation is very convenient.Because spinning in locking process struts, fracture is resetted, do not need armrest art to carry out the reduction of the fracture.Not only can be used for open surgery, also can be used for minimal invasive operation, can be used for the operative treatment of the convex and tumor of spine in spinal fracture, slippage, side, be conducive to promoting and practice.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., be all included within protection scope of the present invention.
Claims (7)
1. novel spinning struts a spinal internal fixation system, comprises and is fixedly connected with block, adapter sleeve, silk axle, cap nut, rotates and regulates mouth, Universal vertebra arch root screw, adjustable connection fixing block and nut nail regulate rib, and the described block that is fixedly connected with comprises block, groove, running-on blend stop, described adapter sleeve comprises the collar and double wedge, what described rotation regulated mouth is provided with square blind mouth, described Universal vertebra arch root screw comprises stiff end, and rotate screw thread and needle point, described is fixedly connected with the centre that block is arranged on an axle; Described adapter sleeve is arranged by silk axle and is fixed on the both sides being fixedly connected with block; Described cap nut is arranged on the top of adjustable connection fixing block; Described rotation regulates mouth to be arranged on the right-hand member of an axle; Described Universal vertebra arch root screw is arranged on the bottom of adjustable connection fixing block; Described nut nail regulates rib to be arranged on the upper end of Universal vertebra arch root screw; Described block is arranged on the middle part being fixedly connected with block, described groove is arranged on the both sides of block, described running-on blend stop is arranged on the two ends up and down of groove, and the described collar is arranged on the main body section of adapter sleeve, and described double wedge is arranged on the upper and lower port of the collar; Described stiff end is arranged on the top of Universal vertebra arch root screw, and described rotation screw thread is arranged on the bottom of stiff end, and described needle point is arranged on the bottom rotating screw thread.
2. novel spinning according to claim 1 struts spinal internal fixation system, and it is characterized in that, described is fixedly connected with block, adapter sleeve, and cap nut specifically adopts the stainless steel of medical grade to make.
3. novel spinning according to claim 1 struts spinal internal fixation system, it is characterized in that, described running-on blend stop specifically adopts plastic material.
4. novel spinning according to claim 1 struts spinal internal fixation system, and it is characterized in that, described double wedge specifically adopts quality of rubber materials.
5. novel spinning according to claim 1 struts spinal internal fixation system, it is characterized in that, described rotation regulates mouth to be designed specifically to the square blind hole of 0.5cm*0.5cm.
6. novel spinning according to claim 1 struts spinal internal fixation system, it is characterized in that, described silk axle specifically adopts diameter to be 6mm, and length is that the stainless steel of 40mm is made, and described silk axle is designed specifically to corresponding two.
7. novel spinning according to claim 1 struts spinal internal fixation system, it is characterized in that, described Universal vertebra arch root screw specifically adopts titanium alloy material to make, and described Universal vertebra arch root screw can change the nail of various model specification according to practical situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578518.3A CN104306057A (en) | 2014-10-27 | 2014-10-27 | Novel self-rotating spine-distracting internal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578518.3A CN104306057A (en) | 2014-10-27 | 2014-10-27 | Novel self-rotating spine-distracting internal fixation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104306057A true CN104306057A (en) | 2015-01-28 |
Family
ID=52361480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410578518.3A Pending CN104306057A (en) | 2014-10-27 | 2014-10-27 | Novel self-rotating spine-distracting internal fixation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104306057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530108A (en) * | 2014-12-03 | 2018-01-02 | S.马利 理查德 | Bone implant with tether |
-
2014
- 2014-10-27 CN CN201410578518.3A patent/CN104306057A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530108A (en) * | 2014-12-03 | 2018-01-02 | S.马利 理查德 | Bone implant with tether |
| US10660673B2 (en) | 2014-12-03 | 2020-05-26 | Richard S. Maly | Bone implant having tether band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Lv Hai Document name: Notification that Application Deemed to be Withdrawn |