CN108606859A - A kind of locking lumbar fusion cages - Google Patents
A kind of locking lumbar fusion cages Download PDFInfo
- Publication number
- CN108606859A CN108606859A CN201611138137.9A CN201611138137A CN108606859A CN 108606859 A CN108606859 A CN 108606859A CN 201611138137 A CN201611138137 A CN 201611138137A CN 108606859 A CN108606859 A CN 108606859A
- Authority
- CN
- China
- Prior art keywords
- lock screw
- chimeric part
- chimeric
- locking
- perforation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004927 fusion Effects 0.000 title claims abstract description 27
- 244000309464 bull Species 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 8
- 210000000988 bone and bone Anatomy 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000004550 Postoperative Pain Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- 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
- A61B17/7074—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, 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
-
- 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 discloses a kind of locking lumbar fusion cages, including being fitted into part, the front of the chimeric part offers through-hole, perforation is offered at the top of the chimeric part, the surface of the chimeric part both sides is both provided with conjunction gear, the top of the chimeric part and far from perforation side by stretcher with adjusting ball surface activity connect, the adjusting ball cover is connected in the circular groove that link block bottom opens up, it is fixedly connected with annulus at the top of the link block, bull stick is socketed in the annulus, one end of the bull stick is fixedly connected with lock screw.The present invention passes through the improvement to being fitted into part, fusion device is thicker, the interverbebral disc on a section centrum and both sides can be substituted, additional multiple fusion devices are not needed, so as to reduce operating time, by the improvement to lock screw, the height of lock screw can be adjusted, and the angle that lock screw can be changed, to achieve the effect that convenient for adjusting lock screw link position.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of locking lumbar fusion cages.
Background technology
Lumbar fusion cages are the medical instrument that lumbar vertebrae reparation common at present quickly combines, and to use, simple, operation is quick
Easily and the advantages that bony fusion, it is pursued by each hospital, with the continuous renewal and development of medical technology, lumbar vertebrae melts
The type of clutch is more and more.
General Invasive lumbar fusion device mainly substitutes interverbebral disc when in use, then must match dowel stick and use, the device
Although can get a desired effect, operating time is long, and needs to open longer wound together with patient, to trouble
Person brings postoperative pain, lock screw is typically provided on existing fusion device, but the lock screw can only be in fusion device
On move in the screw hole that opens up, connection direction can not be adjusted, to reduce the application range of the fusion device.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of locking lumbar fusion cages, solve that operating time is short, wound
Hinder and small connects the problem of angle is easily adjusted with lock screw.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of locking lumbar fusion cages, including
Chimeric part, the front of the chimeric part offer through-hole, perforation are offered at the top of the chimeric part, the chimeric part both sides
Surface is both provided with conjunction gear, and the surface that the top of the chimeric part and the side far from perforation pass through stretcher and adjusting ball is lived
Dynamic connection, the adjusting ball cover are connected in the circular groove that link block bottom opens up, and annulus is fixedly connected at the top of the link block,
Bull stick is socketed in the annulus, one end of the bull stick is fixedly connected with lock screw, and the other end of the bull stick, which is fixed, to be connected
It is connected to supports block.
The stretcher includes two fixing sleeves, is socketed with piston in the fixing sleeve, the side of the piston passes through bullet
Spring is flexibly connected with the inner wall of fixing sleeve, and two piston sides opposite with spring are flexibly connected by connecting rod.
Preferably, through-hole is opened in the positive middle part of chimeric part, and the front and back of chimeric part is communicated by through-hole.
Preferably, perforation is opened in the centre position at the top of chimeric part, and the top and bottom of chimeric part pass through phase of perforating
It is logical.
Preferably, the radian of circular groove is equal with the radian of ball surface is adjusted, and a diameter of adjusting bulb diameter of circular groove opening
Half.
Preferably, the quantity of lock screw is four, and four lock screws be located at four at the top of chimeric part it is straight
At angle.
(3) advantageous effect
The present invention provides a kind of locking lumbar fusion cages.Has following advantageous effect：
(1), for the present invention by the improvement to being fitted into part, fusion device is thicker, can substitute the intervertebral on a section centrum and both sides
Disk does not need additional multiple fusion devices, so as to reduce operating time, and under the cooperation of conjunction gear, can increase embedding
Stability between component and bone prevents chimeric part from falling off, and through-hole can make chimeric part be in permeability status with perforation,
It prevents from blocking combined lumbar vertebrae position.
(2), the present invention can make piston in fixing sleeve by the improvement to lock screw by pulling lock screw
Mobile, so as to adjust the height of lock screw, and rotating lock screw can drive adjusting ball to be rotated in circular groove, from
And the angle of lock screw can be changed, to achieve the effect that convenient for adjusting lock screw link position.
Description of the drawings
Fig. 1 is the front view of structure of the invention；
Fig. 2 is the side view of structure of the invention；
Fig. 3 is the vertical view of structure of the invention.
In figure：1 chimeric part, 2 through-holes, 3 perforation, 4 conjunction gears, 5 stretchers, 51 fixing sleeves, 52 pistons, 53 springs, 54 connect
Extension bar, 6 adjust ball, 7 link blocks, 8 annulus, 9 bull sticks, 10 lock screws, 11 supports blocks, 12 circular grooves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of locking lumbar fusion cages, including chimeric part 1, it is embedding
The front of component 1 offers through-hole 2, and through-hole 2 is opened in 1 positive middle part of chimeric part, and the front and back of chimeric part 1 passes through
Through-hole 2 communicates, and the top of chimeric part 1 offers perforation 3, and perforation 3 is opened in the centre position at 1 top of chimeric part, and chimeric part 1
Top and bottom 3 communicated by perforation, by opening up the through-hole 2 communicated and perforation respectively in the front of chimeric part 1 and top
3, chimeric part 1 can be made to be easier to be connected in bone, and the position of clamping can be made to ventilate, be fitted into the surface of 1 both sides of part
It is both provided with conjunction gear 4, by the improvement to being fitted into part 1, fusion device is thicker, can substitute the intervertebral on a section centrum and both sides
Disk does not need additional multiple fusion devices, so as to reduce operating time, and under the cooperation of conjunction gear 4, can increase embedding
Stability between component 1 and bone prevents chimeric part 1 from falling off, and through-hole 2 can make chimeric part 1 be in penetrating with perforation 3
State prevents from blocking combined lumbar vertebrae position, is fitted into the side of the top of part 1 and separate perforation 3 by stretcher 5 and adjusts
The surface activity of ball 6 connects, and adjusts ball 6 and is socketed in the circular groove 12 that 7 bottom of link block opens up, radian and the adjusting ball of circular groove 12
The radian on 6 surfaces is equal, and the half of a diameter of 6 diameter of adjusting ball of the opening of circular groove 12, so as to make adjusting ball 6 just
The often rotation in circular groove 12, prevents it to be detached from circular groove 12, the top of link block 7 is fixedly connected with annulus 8, is socketed in annulus 8
One end of bull stick 9, bull stick 9 is fixedly connected with lock screw 10, and the quantity of lock screw 10 is four, and four lock screws 10
It can be facilitated by being provided with annulus 8 while connecting bull stick 9 by being located at four right angles at 1 top of chimeric part
The rotation in annulus 8 makes it pierce in bone to facilitate rotation lock screw 10, by being provided with four lock screws 10,
Chimeric connection ground between part 1 and bone can be made more to stablize, by the improvement to lock screw 10, by pulling lock screw
10, piston 52 can be made to be moved in fixing sleeve 51, so as to adjust the height of lock screw 10, and rotate lock screw
10 can drive the rotation in circular groove 12 of adjusting ball 6, so as to change the angle of lock screw 10, be convenient for adjusting to reach
The effect of 10 link position of lock screw is saved, the other end of bull stick 9 is fixedly connected with supports block 11, by being provided with supports block 11, energy
Enough anti-dog links 9 are detached from annulus 8, and whole device is made operably more to stablize.
Stretcher 5 includes two fixing sleeves 51, is socketed with piston 52 in fixing sleeve 51, the side of piston 52 passes through spring 53
It is flexibly connected with the inner wall of fixing sleeve 51, and two pistons 52 side opposite with spring 53 is flexibly connected by connecting rod 54,
By pulling connecting rod 54 that piston 52 can be made to be moved in fixing sleeve 51, so as to change the height of lock screw 10, side
Just it is connect with different types of bone, and spring 53 can prevent from being fitted between part 1 and bone while connecting piston 52
The phenomenon that too closely leading to bone fracture.
In use, opening up one of osculum with patient, chimeric part 1 is filled in the notch of bone with special medical instrument
In, later according to the specific location of bone, the inclined direction of lock screw 10 is adjusted, then rotates supports block 11 by lock screw 10
It pierces in bone.
In conclusion by the improvement to being fitted into part 1, fusion device is thicker, can substitute the intervertebral on a section centrum and both sides
Disk does not need additional multiple fusion devices, so as to reduce operating time, and under the cooperation of conjunction gear 4, can increase embedding
Stability between component 1 and bone prevents chimeric part 1 from falling off, and through-hole 2 can make chimeric part 1 be in penetrating with perforation 3
State prevents from blocking combined lumbar vertebrae position, can by pulling lock screw 10 by the improvement to lock screw 10
Piston 52 is set to be moved in fixing sleeve 51, so as to adjust the height of lock screw 10, and rotating lock screw 10 can
It drives and adjusts the rotation in circular groove 12 of ball 6, so as to change the angle of lock screw 10, be convenient for adjusting locking to reach
The effect of 10 link position of screw.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of locking lumbar fusion cages, including chimeric part (1), it is characterised in that：The front of the chimeric part (1) offers logical
Hole (2) offers perforation (3) at the top of the chimeric part (1), and the surface of chimeric part (1) both sides is both provided with conjunction gear
(4), the top of the chimeric part (1) and the side far from perforation (3) pass through the surface activity of stretcher (5) and adjusting ball (6)
Connection, the ball (6) that adjusts are socketed in the circular groove (12) that link block (7) bottom opens up, and the top of the link block (7) is fixed
It is connected with annulus (8), is socketed with bull stick (9) in the annulus (8), one end of the bull stick (9) is fixedly connected with lock screw
(10), the other end of the bull stick (9) is fixedly connected with supports block (11)；
The stretcher (5) includes two fixing sleeves (51), and piston (52), the piston are socketed in the fixing sleeve (51)
(52) side is flexibly connected by spring (53) with the inner wall of fixing sleeve (51), and two pistons (52) are opposite with spring (53)
Side pass through connecting rod (54) be flexibly connected.
2. a kind of locking lumbar fusion cages according to claim 1, it is characterised in that：The through-hole (2) is opened in chimeric
Part (1) positive middle part, and the front and back of chimeric part (1) is communicated by through-hole (2).
3. a kind of locking lumbar fusion cages according to claim 1, it is characterised in that：The perforation (3) is opened in chimeric
Centre position at the top of part (1), and the top and bottom of chimeric part (1) are communicated by perforation (3).
4. a kind of locking lumbar fusion cages according to claim 1, it is characterised in that：The radian and tune of the circular groove (12)
The radian for saving ball (6) surface is equal, and the half of a diameter of adjusting ball (6) diameter of circular groove (12) opening.
5. a kind of locking lumbar fusion cages according to claim 1, it is characterised in that：The quantity of the lock screw (10)
It it is four, and four lock screws (10) are located at four right angles at the top of chimeric part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138137.9A CN108606859B (en) | 2016-12-12 | 2016-12-12 | Locked lumbar fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138137.9A CN108606859B (en) | 2016-12-12 | 2016-12-12 | Locked lumbar fusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108606859A true CN108606859A (en) | 2018-10-02 |
| CN108606859B CN108606859B (en) | 2024-04-02 |
Family
ID=63657600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611138137.9A Active CN108606859B (en) | 2016-12-12 | 2016-12-12 | Locked lumbar fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108606859B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109965968A (en) * | 2019-05-14 | 2019-07-05 | 姜伟 | A kind of modified thoracoscope uses rib bone connection device |
| CN110051458A (en) * | 2019-05-15 | 2019-07-26 | 创辉医疗器械江苏有限公司 | A kind of locking fusion device aperture cone |
| CN112438790A (en) * | 2019-09-02 | 2021-03-05 | 唐毓金 | Orthopedic implant nail guiding and locking device |
| CN112524341A (en) * | 2020-11-30 | 2021-03-19 | 安徽江淮汽车集团股份有限公司 | Pipe clamp |
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| CN112438790A (en) * | 2019-09-02 | 2021-03-05 | 唐毓金 | Orthopedic implant nail guiding and locking device |
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| CN112524341A (en) * | 2020-11-30 | 2021-03-19 | 安徽江淮汽车集团股份有限公司 | Pipe clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108606859B (en) | 2024-04-02 |
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