CN208371970U - One kind can bracing type Invasive lumbar fusion device - Google Patents
One kind can bracing type Invasive lumbar fusion device Download PDFInfo
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- CN208371970U CN208371970U CN201720866038.6U CN201720866038U CN208371970U CN 208371970 U CN208371970 U CN 208371970U CN 201720866038 U CN201720866038 U CN 201720866038U CN 208371970 U CN208371970 U CN 208371970U
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- upper plate
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Abstract
The utility model relates to medical instrument manufacture technology fields, specifically one kind can bracing type Invasive lumbar fusion device, it is characterized in that the fusion device is made of fusion contact mechanism and driving spreading mechanism, fusion contact mechanism is made of upper device seat and lower device seat, upper device seat is by upper plate, basalar plate and upper tonneau panel composition, basalar plate is by preceding outer upper guard board and preceding interior upper plate, upper tonneau panel is made of rear outer upper guard board and rear interior upper plate, lower device seat is by lower plate, preceding lower side panel and lower tonneau panel composition, preceding lower side panel is by preceding outer lower backplate and preceding interior lower plugboard, lower tonneau panel is made of rear outer lower backplate and rear interior lower plugboard, it is equipped in upper device seat and lower device seat and controls upper device seat and the distracted driving spreading mechanism of lower device seat, drive spreading mechanism by adjusting block, pushing block and tractive bolt composition, adjusting block is made of drawing block and connecting rod, tool Have restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, ensure spinal stabilization the advantages that.
Description
Technical field
The present invention relates to medical instrument manufacture technology field, specifically a kind of distracting force using Invasive lumbar fusion device,
Restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union, ensure
Spinal stabilization can bracing type Invasive lumbar fusion device.
Background technique
It is well known that backbone retrogression is common on Orthopedic Clinical, degeneration of intervertebral disc common are, spinal canal stenosis,
Spondylolisthesis, oppressing spinal cord or nerve root person often needs operative treatment, thoroughly releases compressing, restores vertebra physiological camber, ensures ridge
Column is stablized.Another part deformity of spine, wound, tumour, reprocess operation and infected patient sometimes and also need row interbody fusion with
Stablize lumbar motion segment.Invasive lumbar fusion device has a better effect for the above spinal disease, easy to operate, easy to use, fusion
Rate is high, the complication of no bone grafting fusion, through it is commonly used with it is clinical.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of strutting using Invasive lumbar fusion device
Power, restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union, protect
Hinder spinal stabilization can bracing type Invasive lumbar fusion device.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
One kind can bracing type Invasive lumbar fusion device, it is characterised in that the fusion device is by fusion contact mechanism and driving spreading mechanism
Composition, the fusion contact mechanism is made of upper device seat and lower device seat, the upper device seat by upper plate, basalar plate and after
Epipleural composition, the basalar plate is by preceding outer upper guard board and preceding interior upper plate, and the upper tonneau panel is by rear outer upper guard board
With rear interior upper plate composition, the preceding interior upper plate is located at the inside of preceding outer upper guard board and mutually staggers and upper plate front end phase
Connection, the rear outer upper guard board are located in rear the above outside of plate and mutually stagger and be connected with upper plate rear end, upper plate
The basalar plate of front end and the upper tonneau panel of upper plate rear end are centrosymmetric shape, and the lower device seat is by lower plate, preceding downside
Plate and lower tonneau panel composition, the preceding lower side panel is by preceding outer lower backplate and preceding interior lower plugboard, and the lower tonneau panel is by rear outer
Lower backplate and it is rear in lower plugboard composition, the preceding interior lower plugboard is located at the inside of preceding outer lower backplate and mutually staggers and lower plate
Front end is connected, and the rear outer lower backplate is located at the outside of rear interior lower plugboard and mutually staggers and is connected with lower plate rear end,
It goes to the bottom the preceding lower side panel of front edge of board and the lower tonneau panel of lower plate rear end is centrosymmetric shape, pass through between upper device seat and lower device seat
Preceding outer upper guard board, preceding interior upper plate, rear outer upper guard board, rear interior upper plate, preceding outer lower backplate, preceding interior lower plugboard, rear outer lower backplate
The plug connection that contacts with each other between rear interior lower plugboard is fixed, and the medial surface of the preceding interior lower plugboard and rear interior upper plate is equipped with
It is oblique that the medial surface of centroclinal oblique chute, the preceding interior upper plate and rear interior lower plugboard is equipped with centroclinal fixation
It is equipped in face, the upper device seat and lower device seat and controls upper device seat and the distracted driving spreading mechanism of lower device seat, the driving
Spreading mechanism is made of adjusting block, pushing block and tractive bolt, and the adjusting block is made of drawing block and connecting rod, described
The slide unit that drawing block is equipped with to be matched with the oblique chute that preceding interior lower plugboard and rear interior upper plate are equipped with, oblique chute are matched with slide unit
The connection that upper device seat, lower device seat and adjusting block are realized in connection is closed, the left end of the connecting rod is connected with drawing block, connecting rod
Right end in the middle part of be equipped with internal thread hole, be respectively equipped with above and below the pushing block and preceding interior upper plate and rear interior underthrust
The driving inclined-plane that plate ramp matches, the middle part of pushing block are equipped with bolt and pass through hole, and the tractive bolt passes through pushing block
Bolt pass through hole be connected with the internal thread hole in the connecting rod in adjusting block, by the rotation of tractive bolt make pushing block and
Adjusting block to center it is mobile by pass through between upper device seat and lower device seat slide unit, oblique chute, constant inclined surface, driving inclined-plane effect into
And realize strutting between upper device seat and lower device seat.
Anti-slop serrations are respectively equipped in the plate face of the upper plate and lower plate of upper device seat of the present invention and lower device seat, are increased
Anti-skidding design, prevents fusion device from shifting.
It is respectively equipped with the plant hole of strip on the upper plate and lower plate of upper device seat of the present invention and lower device seat, protects
The bone grafting object accommodated in card plant hole contacts fusion with surrounding tissue, so that Invasive lumbar fusion device be made to be easier to Bony union.
It is swallowtail-shaped slide, drawing that the medial surface of lower plugboard and rear interior upper plate, which is equipped with oblique chute, in front of of the present invention
Block is equipped with the swallow-tail form slide unit that matches with swallowtail-shaped slide, and device seat, lower device seat and pulling connects steady between block in guarantees
It is qualitative, prevent fusion device from occurring loose.
The lower end inside of outer upper guard board is equipped with guide table after of the present invention, and the outside of the rear interior lower plugboard is equipped with
The silent guide groove in upper end, guide table and guide groove, which are cooperatively connected, guarantees the parallel opening of upper device seat and lower device seat, while can also prevent
Only upper device seat, which opens transition with lower device seat stay, causes upper device seat to separate with lower device seat.
The middle part of connecting rod is equipped with driving inclined-plane platform in adjusting block of the present invention, in the upper device seat and lower device seat
Middle side part is equipped with the constant inclined surface platform matched with driving inclined-plane platform, driving inclined-plane platform and upper device seat, lower device seat in connecting rod
On constant inclined surface platform mutually contradict cooperation realize fusion device support.
It is of the present invention to connect on the inside of upper plate with preceding outer upper guard board, rear outer upper guard board and be equipped with upper insertion hole, it is described
Lower plate connect with preceding outer lower backplate, rear outer lower backplate on the inside of equipped with lower insertion hole, upper insertion hole and lower insertion item
Hole for the insertion of insertion plate, guarantees the integrally-built stability of fusion device respectively.
Lower plugboard and the cunning that the medial surface of interior upper plate is equipped with oblique chute, drawing block is equipped with afterwards in front of of the present invention
Platform is arc-shaped, polygon or abnormity
The present invention is since the fusion device by fusion contact mechanism and drives spreading mechanism to form, the fusion contact mechanism
It is made of upper device seat and lower device seat, the upper device seat is made of upper plate, basalar plate and upper tonneau panel, the front upper side
By preceding outer upper guard board and preceding interior upper plate, the upper tonneau panel is made of plate rear outer upper guard board and rear interior upper plate, described
Lower device seat is made of lower plate, preceding lower side panel and lower tonneau panel, the preceding lower side panel by preceding outer lower backplate and preceding interior lower plugboard,
The lower tonneau panel is made of rear outer lower backplate and rear interior lower plugboard, is equipped in the upper device seat and lower device seat and is controlled upper device
Seat and the distracted driving spreading mechanism of lower device seat, the driving spreading mechanism are made of adjusting block, pushing block and tractive bolt,
The adjusting block is made of drawing block and connecting rod, keeps pushing block and adjusting block mobile to center by the rotation of tractive bolt
Realize upper device seat under the effect between upper device seat and lower device seat by slide unit, oblique chute, constant inclined surface, driving inclined-plane
Strutting between device seat, have using Invasive lumbar fusion device distracting force, restore vertebra section height and tension, realize release pressure
The advantages that compeling, recovery vertebra physiological camber, Invasive lumbar fusion device Bony union, ensureing spinal stabilization.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of upper device seat in the present invention, and wherein 2-1 is positive perspective view, and 2-2 is reversed isometric view.
Fig. 3 is the structural schematic diagram of lower device seat in the present invention, and wherein 3-1 is positive perspective view, and 3-2 is reversed isometric view.
Fig. 4 is the structural schematic diagram of adjusting block in the present invention.
Fig. 5 is the structural schematic diagram of pushing block in the present invention, wherein 5-1 is positive perspective view, and 5-2 is reversed isometric view.
Fig. 6 is fusion device operation schematic diagram in the present invention, wherein 6-1 is that fusion device struts preceding schematic diagram, and 6-2 is fusion
Device struts rear schematic diagram.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, one kind can bracing type Invasive lumbar fusion device, it is characterised in that the fusion device by fusion contact mechanism and
Spreading mechanism composition is driven, the fusion contact mechanism is made of upper device seat and lower device seat, and the upper device seat is by upper plate
1, basalar plate and upper tonneau panel composition, the basalar plate by preceding outer upper guard board 2 and preceding interior upper plate 3, it is described it is rear on
Side plate is made of rear outer upper guard board 4 and rear interior upper plate 5, and the preceding interior upper plate 3 is located at the inside of preceding outer upper guard board 1 and phase
Mutually be staggered and be connected with 1 front end of upper plate, the rear outer upper guard board 4 be located in rear the outside of upper plate 5 and mutually stagger with
1 rear end of upper plate is connected, and the basalar plate of 1 front end of upper plate and the upper tonneau panel of 1 rear end of upper plate are centrosymmetric shape, institute
The lower device seat stated is made of lower plate 6, preceding lower side panel and lower tonneau panel, and the preceding lower side panel is by preceding outer lower backplate 7 and preceding interior
Lower plugboard 8, the lower tonneau panel is made of rear outer lower backplate 9 and rear interior lower plugboard 10, before the preceding interior lower plugboard 5 is located at
The inside of outer lower backplate 7 and mutually staggering is connected with 6 front end of lower plate, and the rear outer lower backplate 9 is located at lower plugboard in rear
10 outside and mutually staggering is connected with 6 rear end of lower plate, under the preceding lower side panel of 6 front end of lower plate and the rear of lower plate rear end
Side plate is centrosymmetric shape, between upper device seat and lower device seat by preceding outer upper guard board 2, preceding interior upper plate 3, rear outer upper guard board 4, after
Contact with each other grafting company between interior upper plate 5, preceding outer lower backplate 7, preceding interior lower plugboard 8, rear outer lower backplate 9 and rear interior lower plugboard 10
Fixation is connect, the medial surface of the preceding interior lower plugboard 8 and rear interior upper plate 5 is equipped with centroclinal oblique chute 11, described
The medial surface of preceding interior upper plate 3 and rear interior lower plugboard 10 is equipped with centroclinal constant inclined surface 12, and the upper device seat is under
Be equipped in device seat and control upper device seat and the distracted driving spreading mechanism of lower device seat, the driving spreading mechanism by adjusting block, push away
It is formed into block 13 and tractive bolt 14, the adjusting block is made of drawing block 15 and connecting rod 16, on the drawing block 15
Equipped with the slide unit 17 that the oblique chute being equipped with preceding interior lower plugboard 8 and rear interior upper plate 5 matches, oblique chute 11 is matched with slide unit 17
The connection that upper device seat, lower device seat and adjusting block are realized in connection is closed, the left end of the connecting rod 16 is connected with drawing block 15, even
It is equipped with internal thread hole 18 in the middle part of the right end of extension bar 16, is respectively equipped with and preceding interior upper plate above and below the pushing block 13
3 driving inclined-planes 27 matched with rear interior 10 ramp of lower plugboard, the middle part of pushing block are equipped with bolt and pass through hole 19, and described leads
The bolt for drawing bolt 14 to pass through pushing block 13 is connected across hole 19 with the internal thread hole 18 in the connecting rod 16 in adjusting block, leads to
Cross tractive bolt 14 rotation make pushing block 13 and adjusting block to center it is mobile will between upper device seat and lower device seat by slide unit 17,
Oblique chute 11, constant inclined surface 12, the effect of driving inclined-plane 27 and then strutting between the upper device seat of realization and lower device seat, described is upper
Anti-slop serrations 20 are respectively equipped in the plate face of the upper plate 1 and lower plate 6 of device seat and lower device seat, increases anti-skidding design, prevents from merging
It is respectively equipped with the plant hole 21 of strip on the upper plate 1 and lower plate 6 of device displacement, the upper device seat and lower device seat, guarantees
The bone grafting object accommodated in plant hole 21 contacts fusion with surrounding tissue, so that Invasive lumbar fusion device is made to be easier to Bony union, it is described
It is swallowtail-shaped slide that the medial surface of preceding interior lower plugboard 8 and rear interior upper plate 5, which is equipped with oblique chute 11, and drawing block 15 is equipped with and dovetail
The swallow-tail form slide unit 17 that shape sliding slot matches, the stability connected in guarantee between device seat, lower device seat and drawing block 15, prevents from melting
Clutch occurs loosely, and the lower end inside of the rear outer upper guard board 4 is equipped with guide table 22, the outside of the rear interior lower plugboard 10
Equipped with the silent guide groove 23 in upper end, guide table 22 and guide groove 23 are cooperatively connected and guarantee the parallel opening of upper device seat and lower device seat,
Can also prevent device seat from opening transition with lower device seat stay simultaneously causes upper device seat to separate with lower device seat, connecting rod in the adjusting block
16 middle part is equipped with driving inclined-plane platform 24, and the upper device seat and lower device seat middle inside are equipped with to be matched with driving inclined-plane platform 24
Constant inclined surface platform 28, the constant inclined surface platform 28 on driving inclined-plane platform 24 and upper device seat, lower device seat in connecting rod mutually contradicts
The support of fusion device is realized in cooperation, described to connect on the inside of upper plate 1 with preceding outer upper guard board 2, rear outer upper guard board 4 and be equipped with upper insertion
Hole 25 is equipped with lower insertion hole 26 on the inside of the lower plate 6 connect with preceding outer lower backplate 7, rear outer lower backplate 9, upper slotting
Enter a hole 25 and lower insertion hole 26 respectively for the insertion of insertion plate, guarantees the integrally-built stability of fusion device, before described
The medial surface of interior lower plugboard and rear interior upper plate is equipped with oblique chute, the slide unit that drawing block is equipped with is arc-shaped, polygon or different
Shape.
In the use of the present invention, the fusion device is implanted into human body intervertenral space by fusion device sleeve, then led by rotation
Draw bolt 14 that tractive bolt 14 is made to pull connecting rod 16, and then pull drawing block 15, make to pull block 15 and pushing block 13 simultaneously to
Center is mobile, and then opens the upper device seat of fusion device and lower device seat stay, reaches and cooperates optimum height with intervertebral foramen, and pulls
Being threadedly engaged between bolt 14 and connecting rod 16 can make the fusion device after strutting obtain firm support, after strutting, pass through plant
Object hole 21 is implanted into bone grafting object inwardly, contacts the bone grafting object accommodated in fusion device with surrounding tissue harmonious, so that intervertebral be made to melt
Clutch is easier to Bony union, and since the fusion device by fusion contact mechanism and drives spreading mechanism to form, described melts the present invention
Contact mechanism is closed to be made of upper device seat and lower device seat, the upper device seat is made of upper plate 1, basalar plate and upper tonneau panel,
The basalar plate by preceding outer upper guard board 2 and preceding interior upper plate 3, the upper tonneau panel by rear outer upper guard board 4 and it is rear on
Plate 5 forms, and the lower device seat is made of lower plate 6, preceding lower side panel and lower tonneau panel, the preceding lower side panel by it is preceding it is outer under
Backplate 7 and preceding interior lower plugboard 8, the lower tonneau panel are made of rear outer lower backplate 9 and rear interior lower plugboard 10, the upper device seat
Upper device seat and the distracted driving spreading mechanism of lower device seat are controlled with being equipped in lower device seat, the driving spreading mechanism is by adjusting
Block, pushing block 13 and tractive bolt 14 form, and the adjusting block is made of drawing block 15 and connecting rod 16, pass through tractive bolt
14 rotation make pushing block 13 and adjusting block to center it is mobile will between upper device seat and lower device seat by slide unit 17, oblique chute 11,
Constant inclined surface 12, the effect of driving inclined-plane 27 and then strutting between the upper device seat of realization and lower device seat, have and utilize intervertebral fusion
The distracting force of device, restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device bone
Property fusion, ensure spinal stabilization the advantages that.
Claims (8)
1. one kind can bracing type Invasive lumbar fusion device, it is characterised in that the fusion device is by fusion contact mechanism and driving spreading mechanism group
At, the fusion contact mechanism is made of upper device seat and lower device seat, the upper device seat by upper plate, basalar plate and it is rear on
Side plate composition, the basalar plate by preceding outer upper guard board and preceding interior upper plate, the upper tonneau panel by rear outer upper guard board and
Upper plate composition, the preceding interior upper plate are located at the inside of preceding outer upper guard board and mutually stagger and be connected with upper plate front end in afterwards
It connects, the rear outer upper guard board is located in rear the above outside of plate and mutually staggers and is connected with upper plate rear end, before upper plate
The basalar plate at end and the upper tonneau panel of upper plate rear end are centrosymmetric shape, and the lower device seat is by lower plate, preceding lower side panel
Formed with lower tonneau panel, the preceding lower side panel by preceding outer lower backplate and preceding interior lower plugboard, the lower tonneau panel by it is rear it is outer under
Backplate and it is rear in lower plugboard composition, the preceding interior lower plugboard be located at the inside of preceding outer lower backplate and mutually stagger with before lower plate
End is connected, and the rear outer lower backplate is located at the outside of rear interior lower plugboard and mutually staggers and is connected with lower plate rear end, under
The preceding lower side panel of bottom plate front end and the lower tonneau panel of lower plate rear end are centrosymmetric shape, before passing through between upper device seat and lower device seat
Outer upper guard board, preceding interior upper plate, rear outer upper guard board, it is rear in upper plate, preceding outer lower backplate, preceding interior lower plugboard, it is rear it is outer under backplate and
The plug connection that contacts with each other between interior lower plugboard afterwards is fixed, the preceding interior lower plugboard and it is rear in upper plate medial surface be equipped with to
It is oblique that the medial surface of the inclined oblique chute in center, the preceding interior upper plate and rear interior lower plugboard is equipped with centroclinal fixation
It is equipped in face, the upper device seat and lower device seat and controls upper device seat and the distracted driving spreading mechanism of lower device seat, the driving
Spreading mechanism is made of adjusting block, pushing block and tractive bolt, and the adjusting block is made of drawing block and connecting rod, described
The slide unit that drawing block is equipped with to be matched with the oblique chute that preceding interior lower plugboard and rear interior upper plate are equipped with, oblique chute are matched with slide unit
The connection that upper device seat, lower device seat and adjusting block are realized in connection is closed, the left end of the connecting rod is connected with drawing block, connecting rod
Right end in the middle part of be equipped with internal thread hole, be respectively equipped with above and below the pushing block and preceding interior upper plate and rear interior underthrust
The driving inclined-plane that plate ramp matches, the middle part of pushing block are equipped with bolt and pass through hole, and the tractive bolt passes through pushing block
Bolt pass through hole be connected with the internal thread hole in the connecting rod in adjusting block, by the rotation of tractive bolt make pushing block and
Adjusting block to center it is mobile by pass through between upper device seat and lower device seat slide unit, oblique chute, constant inclined surface, driving inclined-plane effect into
And realize strutting between upper device seat and lower device seat.
2. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that the upper device seat and lower device
Anti-slop serrations are respectively equipped in the upper plate of seat and the plate face of lower plate.
3. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that the upper device seat and lower device
The plant hole of strip is respectively equipped on the upper plate and lower plate of seat.
4. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that the preceding interior lower plugboard and
It is swallowtail-shaped slide that the medial surface of upper plate, which is equipped with oblique chute, in afterwards, and drawing block is equipped with the dovetail matched with swallowtail-shaped slide
Shape slide unit.
5. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that the rear outer upper guard board
Lower end inside is equipped with guide table, and the outside of the rear interior lower plugboard is equipped with the silent guide groove in upper end, and guide table is matched with guide groove
Close the parallel opening that connection guarantees upper device seat and lower device seat.
6. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that connected in the adjusting block
The middle part of bar is equipped with driving inclined-plane platform, and the upper device seat and lower device seat middle inside are equipped with to be consolidated with what driving inclined-plane platform matched
Determine benchboard, the driving inclined-plane platform in connecting rod mutually contradicts cooperation and realize with the constant inclined surface platform on upper device seat, lower device seat to be melted
The support of clutch.
7. one kind according to claim 1 can bracing type Invasive lumbar fusion device, it is characterised in that it is described with preceding outer upper guard board,
Upper insertion hole is equipped on the inside of outer upper guard board connection upper plate afterwards, it is described to be connect down with preceding outer lower backplate, rear outer lower backplate
Lower insertion hole is equipped on the inside of bottom plate, upper insertion hole and lower insertion hole are respectively for the insertion of insertion plate.
8. one kind according to claim 4 can bracing type Invasive lumbar fusion device, it is characterised in that the preceding interior lower plugboard and
The slide unit that the medial surface of upper plate is equipped with oblique chute in afterwards, drawing block is equipped with is arc-shaped, polygon or abnormity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866038.6U CN208371970U (en) | 2017-07-17 | 2017-07-17 | One kind can bracing type Invasive lumbar fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720866038.6U CN208371970U (en) | 2017-07-17 | 2017-07-17 | One kind can bracing type Invasive lumbar fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208371970U true CN208371970U (en) | 2019-01-15 |
Family
ID=64977593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720866038.6U Withdrawn - After Issue CN208371970U (en) | 2017-07-17 | 2017-07-17 | One kind can bracing type Invasive lumbar fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208371970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224341A (en) * | 2017-07-17 | 2017-10-03 | 博能华医疗器械（北京）有限公司 | One kind can bracing type Invasive lumbar fusion device |
-
2017
- 2017-07-17 CN CN201720866038.6U patent/CN208371970U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224341A (en) * | 2017-07-17 | 2017-10-03 | 博能华医疗器械（北京）有限公司 | One kind can bracing type Invasive lumbar fusion device |
| CN107224341B (en) * | 2017-07-17 | 2023-05-16 | 博能华医疗器械（北京）有限公司 | Expandable interbody fusion cage |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190115 Effective date of abandoning: 20230516 |