CN108498210A - A kind of adjustable fusion device of height - Google Patents
A kind of adjustable fusion device of height Download PDFInfo
- Publication number
- CN108498210A CN108498210A CN201810267783.8A CN201810267783A CN108498210A CN 108498210 A CN108498210 A CN 108498210A CN 201810267783 A CN201810267783 A CN 201810267783A CN 108498210 A CN108498210 A CN 108498210A
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- China
- Prior art keywords
- fusion device
- blade
- wall
- lower blade
- skewed slot
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- 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.)
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Classifications
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- 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
- 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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of adjustable fusion devices of height comprising：Fusion device main body, blade, lower blade, pushing block, feeding bolt and the stopping device etc. being arranged thereon, on wherein, inferior lobe on piece is both provided with through skewed slot, when turn feeding bolt forces pushing block to move axially, the oblique part of strip being correspondingly arranged on pushing block is slided above-mentioned in skewed slot, due to upper, lower blade outer portion outer wall is mutually fastened with fusion device main body inner wall, on, lower blade can only do relative displacement along short transverse, to be adjusted while realizing fusion device both ends height by linkage effect, the fusion device caused by height adjustment in both ends is asynchronous is avoided to slip and shift.
Description
Technical field
The present invention relates to orthopedic medical device technical field of tools more particularly to a kind of adjustable fusion devices of height.
Background technology
Bone connection common practice between vertebra and vertebra is that premenstrual road plants iliac between vertebra to reach vertebra
Fusion between bone.Minimal invasive techniques especially spinal endoscopes technology achieves gratifying achievement applied to clinic in recent years, in ridge
The technology of loosening of excision and nerve root that interverbebral disc is carried out under column Endoscope-assisted is ripe.Researcher is exploring to be peeped inside
Intervertebral fusion technology under mirror auxiliary, but the problem that there will naturally be at present is exactly that scope service aisle is smaller, it is existing
Conventional fusion device cannot be placed by scope service aisle；It simultaneously can be with intervertebral in addition, lumbar degenerative disease patient is general
Gap it is narrow, if it is possible to restore intervertebral height during surgery, then to improve clinical symptoms have very important significance.Cause
This, there is an urgent need for design a kind of not only to be enough to restore the fusion device of intervertebral height, realization backbone again simultaneously by endoscope path way
Minimally invasiveization of operation truly.
Invention content
The problem to be solved in the present invention is to provide a kind of simple in structure, function reliably adjustable for height fusion device.
In order to solve the technical problem, the present invention relates to a kind of adjustable fusion devices of height comprising：
Fusion device main body is in hollow frame structure, feeds bolt mounting holes there are one settings on its front end face, after
At least one pushing block pilot hole is provided on end face；
Blade, for upper and lower surface be equipped with through slot hollow structure, and section thickness along front end to rear extreme direction by
It is decrescence small；It is extended downwardly along the edge line extension certain thickness through slot in blade lower surface and forms blade outer portion,
The blade outer portion outer wall is mutually fastened with fusion device main body inner wall, is respectively arranged on the left and right side inner wall of blade outer portion
Have and is tilted along its main shaft direction and what direction was consistent runs through skewed slot；
Lower blade, for upper and lower surface be equipped with through slot hollow structure, and section thickness along front end to rear extreme direction by
It is decrescence small；It is upwardly extended and blade outer portion under being formed along the edge line extension certain thickness through slot in inferior lobe piece upper surface,
The lower blade outer portion outer wall is mutually fastened with fusion device main body inner wall, is respectively arranged on the left and right side inner wall of lower blade outer portion
Have and is tilted along its main shaft direction and what direction was consistent runs through skewed slot；
Pushing block is each provided in its left and right side walls with upper and lower blade through the compatible oblique part of strip of skewed slot, thereafter
End face is provided with guiding axis compatible with pushing block pilot hole, is provided on front end face corresponding with feeding bolt mounting holes
Threaded hole；
Bolt is fed, be installed in feeding bolt mounting holes and is adapted with the threaded hole being arranged on pushing block front end face；
It is provided with stopping device between feeding bolt and the bolt mounting holes；
Stopping device includes retaining ring；It is correspondingly provided with annular in feeding bolt head and feeding bolt mounting holes inner wall
Slot, for placing retaining ring.
The upper and lower blade of fusion device provided by the invention is both provided with through skewed slot, before feeding bolt passes through fusion device main body
Feeding bolt mounting holes on end face are realized with pushing block upper screwed hole and are connected, when turn feeds bolt when pushing block, pushing block with into
Give bolt to generate relative movement, stopping device be provided on feeding bolt, but due to upper and lower blade outer portion outer wall all with melt
Clutch main body inner wall mutually fastens, the two can only short transverse relative movement, realize fusion device both ends to pass through linkage effect
It is adjusted while height, the fusion device caused by height adjustment in both ends is asynchronous is avoided to slip and shift.
As a further improvement on the present invention, it is both provided with strip hole in the left and right side walls of the fusion device main body.
Strip hole is both provided with along main shaft direction in the left and right side walls of fusion device main body, such design is certain
The rigidity of fusion device main body is reduced in degree, to be preferably bonded with vertebra convenient for fusion device in the course of surgery.
As a further improvement on the present invention, the arranged on left and right sides point of bolt mounting holes is fed in fusion device body front end face
Location hole is not provided with it.
Merged with the torsional part matching of feeding bolt by above-mentioned location hole and captures device by special and realize to fusion device
Capture and adjust.
As a further improvement on the present invention, it is both provided with anti-slip part on the working face of upper and lower blade.
The anti-slip part being arranged on the working face of the upper and lower blade of fusion device can be effectively prevented in operation or carry out height tune
Fusion device opposing vertebra generates sliding during whole, fixed from steady effect to play.
As a further improvement on the present invention, anti-slip part is made of the array of protrusions of oblique pyramid shape.
As a further improvement on the present invention, be both provided with through hole on pushing block above and below, the threaded hole for keeping it internal with
External communication；Feeding bolt has the hollow structure of forward and backward perforation.
Thus, after fusion device is in place, cavity and the external world that fusion device is formed at the support of lesion locations
Connection, and then bone mud can be injected to the pre- repair place of lesion by feeding the hollow hole in bolt.
As a further improvement on the present invention, it is 35 that skewed slot is run through on upper and lower blade relative to its main shaft angle of inclination
~55 °.
Long-term clinical practice shows that when running through skewed slot on upper and lower blade relative to its main shaft angle of inclination be 35~55 °
When, it can preferably take into account the relationship of the torque and set height adjustment that apply feeding bolt.
As a further improvement on the present invention, it is relative to its main shaft angle of inclination through skewed slot on upper and lower blade
45°。
As a further improvement on the present invention, blade is 4 through skewed slot quantity, and left and right sides is arranged symmetrically, and lower blade passes through
Skewed slot is worn to arrange through skewed slot mirror symmetry with blade.
It is arranged between upper and lower blade and pushing block multigroup through skewed slot and the oblique part of strip so that the relatively upper and lower blade of pushing block
Thrust is divided equally, and the stationarity and accuracy of pushing block and blade relative motion is substantially increased, so as to fusion device
Upper and lower blade height adjustment process is more steady, accurate.
As a further improvement on the present invention, the pilot hole and the guiding axis are clearance fit.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the assembled state schematic diagram of the adjustable fusion device of height of the invention.
Fig. 2 is the exploded perspective view of the assembled state of the adjustable fusion device of height of the invention.
Fig. 3 is the assembled state sectional view (omitting upper and lower blade) of the adjustable fusion device of height of the invention.
Fig. 4 is the stereogram of fusion device main body in the adjustable fusion device of height of the invention.
Fig. 5 is the stereogram of blade in the adjustable fusion device of height of the invention.
Fig. 6 is the stereogram of lower blade in the adjustable fusion device of height of the invention.
Fig. 7 is the stereogram of pushing block in the adjustable fusion device of height of the invention.
Fig. 8 is the stereogram that bolt is fed in the adjustable fusion device of height of the invention.
1- fusion device main bodys；11- feeds bolt mounting holes；12- pushing block pilot holes；13- strip holes；14- location holes；On 2-
Blade；21- blade outer portions；211- blades run through skewed slot；Blade under 3-；Blade outer portion under 31-；Blade passes through under 311-
Wear skewed slot；4- pushing blocks；41- threaded holes；42- through holes；5- feeds bolt；The oblique part of 6- strips；7- guiding axis；8- retaining rings.
Specific implementation mode
With reference to specific embodiment, present disclosure is described in further detail：
In order to reach the purpose of the present invention, as illustrated in figures 1-3, the adjustable fusion device of height includes fusion device in the present invention
Main body 1, blade 2, lower blade 3, pushing block 4 and feeding bolt 5 etc., wherein fusion device main body 1 is made of titanium alloy material, in being in
Empty frame structure feeds bolt mounting holes 11 on its front end face, at least one push away is provided on rear end face there are one settings
Block pilot hole 12,12 preferred amount of pushing block pilot hole are 2, and left and right side is symmetrical；Blade 2 is equipped with for upper and lower surface and passes through
The hollow structure of wears groove, and section thickness is gradually reduced along front end to rear extreme direction, inclination angle is set as 5 °~10 ° comprising
In the blade outer portion 21 that its lower surface is extended downwardly along the edge line extension certain thickness through slot and is formed, the blade
21 outer wall of outer portion is mutually fastened with 1 inner wall of fusion device main body, is each provided with along its main shaft on the left and right side inner wall of outer portion 21
The blade that line direction tilts and direction is consistent runs through skewed slot 211；Lower blade 3 is also that upper and lower surface is equipped with through the hollow of slot
Structure, and section thickness is gradually reduced along front end to rear extreme direction, inclination angle is set as 5 °~10 ° comprising surface on it
The lower blade outer portion 311 for extending downwardly and being formed along the edge line extension certain thickness through slot, the lower blade outer portion 31
Outer wall is mutually fastened with 1 inner wall of fusion device main body, is each provided on the left and right side inner wall of outer portion 31 and is inclined along its main shaft direction
Tiltedly and direction it is consistent run through skewed slot 311；Be each provided in 4 left and right side walls of pushing block with upper and lower blade through skewed slot 211,
The 311 compatible oblique parts 6 of strip, are provided with guiding axis 7 compatible with pushing block pilot hole 12, between the two is in behind on end face
Gap coordinates, in addition clearance control is additionally provided with spiral shell corresponding with feeding bolt mounting holes 11 in 3~5mm on its front end face
Pit 41.The oblique part 6 of above-mentioned strip and guiding axis 7 can certainly be integrally formed with pushing block 5；Feeding bolt 5 is installed on feeding spiral shell
It is adapted to connection in bolt mounting hole 11 and with the threaded hole 41 being arranged on 4 front end face of pushing block, retaining ring is provided on feeding bolt 5
8.So, the upper and lower blade of fusion device 2,3 is respectively arranged with through skewed slot 211,311, when pushing block 4 moves axially,
On the oblique part 6 of strip that is correspondingly arranged slided in skewed slot 211,311 above-mentioned, due to upper and lower blade outer portion 21,31 outer walls
Mutually fastened with 1 inner wall of fusion device main body, the two can only short transverse relative displacement, to pass through linkage effect realize fusion
It is adjusted while the height of device both ends, the fusion device caused by height adjustment in both ends is asynchronous is avoided to slip and shift.
As shown in Figure 4, in order to reduce the integral rigidity of fusion device main body 1, convenient for fusion device during surgery and vertebra energy
Preferably fitting is both provided in the left and right side walls center of fusion device main body 1 and along main shaft direction strip hole 13,
The strip hole 13 is long waist shaped narrow slit hole, and length is not less than 2/3 fusion device main body overall length.It is fed in 1 front end face of fusion device main body
The arranged on left and right sides of bolt mounting holes 11 is respectively arranged with location hole 14, so, passes through above-mentioned two 14 holes of positioning and feeding
The torsional part of bolt 5 matches to merge easily can capture fusion device and be adjusted operation by the special device that captures.
As shown in Fig. 5,6, it is both provided with anti-slip part on the working face of upper and lower blade 2,3, hand can be effectively prevented
In art or fusion device opposing vertebra generation sliding in height adjustment process is carried out, it is fixed from steady effect to play.Anti-slip part
It is preferred that being made of the array of protrusions of oblique pyramid shape, naturally it is also possible to choose other any suitable anti-skidding shapes.In upper and lower leaf
It is arranged between piece 2,3 and pushing block 4 multigroup through skewed slot 211,311 and the oblique part 6 of strip, preferred amount 4 so that pushing block 4 is to blade
2,3 thrust is divided equally, and pushing block 4 and blade 2, the stationarity and accuracy of 3 relative motions is substantially increased, so that right
The height adjustment process of fusion device is more steady, accurate.Long-term clinical practice show when on upper and lower blade run through skewed slot 211,
311 relative to its main shaft angle of inclination be 35~55 ° when, can preferably take into account apply feeding bolt 5 torque with height adjust
The relationship of section amount, preferably 45 °.
As shown in Fig. 7,8, through hole 42 is both provided on pushing block 4, the threaded hole 41 and external communication for keeping it internal, and
Feeding bolt 5 has the hollow structure of forward and backward perforation.Thus, after fusion device is in place, it can be by feeding bolt
Hollow hole on 5 injects bone mud to the pre- repair place of lesion.Feed feeding bolt of the bolt 5 on 1 front end face of fusion device main body
Mounting hole 11 is realized with 4 upper screwed hole 41 of pushing block and is connected, and when turn feeds bolt 5, pushing block 4 generates relatively with feeding bolt 5
It is mobile, be provided with retaining ring 8 on feeding bolt 5, and due to upper and lower blade outer portion 21,31 outer walls all with fusion device main body 1
Inner wall mutually fastens, the two can only short transverse relative movement, realize the same of fusion device both ends height to pass through linkage effect
Step section.
To the explanation of the disclosed embodiments, enable those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of adjustable fusion device of height, which is characterized in that it includes：
Fusion device main body is in hollow frame structure, and there are one feed bolt mounting holes, rear end face for setting on its front end face
On be provided at least one pushing block pilot hole；
Blade is equipped with the hollow structure through slot for upper and lower surface, and section thickness gradually subtracts along front end to rear extreme direction
It is small；It is extended downwardly along the edge line extension certain thickness through slot in blade lower surface and forms blade outer portion,
The blade outer portion outer wall is mutually fastened with fusion device main body inner wall, is respectively arranged on the left and right side inner wall of blade outer portion
Have and is tilted along its main shaft direction and what direction was consistent runs through skewed slot；
Lower blade is equipped with the hollow structure through slot for upper and lower surface, and section thickness gradually subtracts along front end to rear extreme direction
It is small；Blade outer portion under upwardly extending and being formed along the edge line extension certain thickness through slot in inferior lobe piece upper surface,
The lower blade outer portion outer wall is mutually fastened with fusion device main body inner wall, is respectively arranged on the left and right side inner wall of lower blade outer portion
Have and is tilted along its main shaft direction and what direction was consistent runs through skewed slot；
Pushing block is each provided in its left and right side walls with the upper and lower blade through the compatible oblique part of strip of skewed slot, thereafter
End face is provided with guiding axis compatible with the pushing block pilot hole, is provided on front end face and the feeding bolt mounting holes
Corresponding threaded hole；
Bolt is fed, be installed in the feeding bolt mounting holes and is adapted with the threaded hole being arranged on pushing block front end face；
It is provided with stopping device between the feeding bolt and the bolt mounting holes；
The stopping device includes retaining ring；It is accordingly set in the feeding bolt head and the feeding bolt mounting holes inner wall
It is equipped with annular groove, for placing the retaining ring.
2. the adjustable fusion device of height according to claim 1, which is characterized in that in the left and right side of the fusion device main body
Strip hole is both provided on wall.
3. the adjustable fusion device of height according to claim 1, which is characterized in that fed in fusion device body front end face
The arranged on left and right sides of bolt mounting holes is respectively arranged with location hole.
4. the adjustable fusion device of height according to claim 1, which is characterized in that on the working face of the upper and lower blade
It is both provided with anti-slip part.
5. the adjustable fusion device of height according to claim 4, which is characterized in that the anti-slip part is convex by oblique pyramid shape
Array is played to constitute.
6. the adjustable fusion device of height according to claim 1, which is characterized in that be both provided on the pushing block above and below
Through hole, the threaded hole and external communication for keeping it internal；The feeding bolt has the hollow structure of forward and backward perforation.
7. the adjustable fusion device of height according to claim 1, which is characterized in that run through skewed slot phase on the upper and lower blade
It it is 35~55 ° for its main shaft angle of inclination.
8. the adjustable fusion device of height according to claim 7, which is characterized in that run through skewed slot phase on the upper and lower blade
It it is 45 ° for its main shaft angle of inclination.
9. the adjustable fusion device of height according to claim 1, which is characterized in that upper leaf piece is 4 through skewed slot quantity,
Left and right sides is arranged symmetrically, and the lower blade is arranged with upper leaf piece through skewed slot mirror symmetry through skewed slot.
10. the adjustable fusion device of height according to claim 1, which is characterized in that the pilot hole is with the guiding axis
Clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267783.8A CN108498210A (en) | 2018-03-28 | 2018-03-28 | A kind of adjustable fusion device of height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267783.8A CN108498210A (en) | 2018-03-28 | 2018-03-28 | A kind of adjustable fusion device of height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108498210A true CN108498210A (en) | 2018-09-07 |
Family
ID=63379125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810267783.8A Pending CN108498210A (en) | 2018-03-28 | 2018-03-28 | A kind of adjustable fusion device of height |
Country Status (1)
| Country | Link |
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| CN (1) | CN108498210A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353862A (en) * | 2019-07-22 | 2019-10-22 | 上海锐植医疗器械有限公司 | A kind of Invasive lumbar fusion device |
| CN116492117B (en) * | 2023-06-27 | 2023-09-22 | 北京爱康宜诚医疗器材有限公司 | Self-locking type interbody fusion cage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175392Y (en) * | 2008-04-15 | 2009-01-07 | 张桦 | Strutting type intervertebral fusion device and imbedding device thereof |
| CN205107983U (en) * | 2015-10-23 | 2016-03-30 | 上海锐植医疗器械有限公司 | Height -adjustable's interbody fusion cage |
| US20170000621A1 (en) * | 2014-03-06 | 2017-01-05 | Spine Wave, Inc. | Device for expanding and supporting body tissue |
| CN106308984A (en) * | 2016-08-31 | 2017-01-11 | 广州爱锘德医疗器械有限公司 | Bidirectional lifting fusion cage and rotating mechanism used for driving bidirectional lifting fusion cage |
| CN107510524A (en) * | 2017-09-29 | 2017-12-26 | 珠海康弘发展有限公司 | A kind of adjustable Invasive lumbar fusion device and its regulation instrument |
| CN206979621U (en) * | 2016-12-02 | 2018-02-09 | 上海锐植医疗器械有限公司 | A kind of Height Adjustable fusion device |
-
2018
- 2018-03-28 CN CN201810267783.8A patent/CN108498210A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201175392Y (en) * | 2008-04-15 | 2009-01-07 | 张桦 | Strutting type intervertebral fusion device and imbedding device thereof |
| US20170000621A1 (en) * | 2014-03-06 | 2017-01-05 | Spine Wave, Inc. | Device for expanding and supporting body tissue |
| CN205107983U (en) * | 2015-10-23 | 2016-03-30 | 上海锐植医疗器械有限公司 | Height -adjustable's interbody fusion cage |
| CN106308984A (en) * | 2016-08-31 | 2017-01-11 | 广州爱锘德医疗器械有限公司 | Bidirectional lifting fusion cage and rotating mechanism used for driving bidirectional lifting fusion cage |
| CN206979621U (en) * | 2016-12-02 | 2018-02-09 | 上海锐植医疗器械有限公司 | A kind of Height Adjustable fusion device |
| CN107510524A (en) * | 2017-09-29 | 2017-12-26 | 珠海康弘发展有限公司 | A kind of adjustable Invasive lumbar fusion device and its regulation instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353862A (en) * | 2019-07-22 | 2019-10-22 | 上海锐植医疗器械有限公司 | A kind of Invasive lumbar fusion device |
| CN116492117B (en) * | 2023-06-27 | 2023-09-22 | 北京爱康宜诚医疗器材有限公司 | Self-locking type interbody fusion cage |
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Application publication date: 20180907 |
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