CN2668075Y - Adjustable artificial disc capable of regulating height - Google Patents
Adjustable artificial disc capable of regulating height Download PDFInfo
- Publication number
- CN2668075Y CN2668075Y CNU2003201004882U CN200320100488U CN2668075Y CN 2668075 Y CN2668075 Y CN 2668075Y CN U2003201004882 U CNU2003201004882 U CN U2003201004882U CN 200320100488 U CN200320100488 U CN 200320100488U CN 2668075 Y CN2668075 Y CN 2668075Y
- Authority
- CN
- China
- Prior art keywords
- artificial
- radially
- extension
- intercalated disc
- disc
- 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.)
- Expired - Fee Related
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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
-
- 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
Abstract
The utility model relates to an adjustable artificial intervertebral disc which is capable of adjusting different heights at the front end and the back end of an artificial intervertebral disc according to the state of a patient, providing the artificial intervertebral disc for the soft tissue of the artificial intervertebral disc. The utility model comprises hollow structure which comprises a supporting part in a unit space and a radical direction extension part formed on the supporting part; the extension part is used for maintaining the configuration of a hollow body; the radical direction extension part is provided with a decrescent diameter and a leading wire formed on the inner surface of the extension part. A screw nail for the extension of the radical direction extension part in radical direction; the screw nail move along the leading wire in the decrescent diameter; the movement of the screw nail is controlled by the leading wire.
Description
Technical field
This utility model relates to the artificial intercalated disc that is used for the spinal column reduction, especially relate to adjustable artificial intercalated disc, it has between the two ends, front and back can regulate differing heights, to be fit to patient's situation, needs a difference in height to keep the suitable height of artificial intercalated disc such as the intercalated disc postoperative.Outfit quantity minimizes and makes it easy and simple to handle in the while art.
Background technology
Between disc disease be one of common disease in our daily life, be divided into by external force and hit the vertebral pulp hernia cause and by the aging intercalated disc degeneration that causes of intervertebral disc.
The operation of tradition intercalated disc goes out useful for a periumbilical colic, but unhelpful to the intercalated disc degenerative disease, has caused this disease treatment very difficult.
Most patients that suffer from the intercalated disc degeneration are middle-aged and elderly people, and they suffer from multiple disease simultaneously, as diabetes, and hypertension and heart disease; Yet integration technology makes treatment intercalated disc degeneration become possibility between the lumbar vertebra of research and development recently, has delivered many relevant therewith laboratory reports.
Up to the present, in research and development in 1992, obtaining the lumbar vertebra body integration technology that FDA (Food and DrugAdministration of U.S.A) authorizes in 1996, is the fashionable technology of disc disease between treatment.
Lumbar vertebra body integration technology is alleviated flank pain by implanting a cylindrical metal thing for spinal column provides a disk space, and this metal object is made by harmless material, such as titanium or its alloy.This technology is will be owing to after the aging intercalated disc soft tissue excision that form hernia, one harmless, columniform artificial intercalated disc (T.F.C. (the threaded fusion cage " position of implantation disc excision.
, the restriction that traditional artificial intercalated disc is changed can not be adjusted according to patient's spinal contexts, only can select according to the intercalated disc size.Simultaneously,, increased operating difficulty, prolonged operating time, and, caused harmful effect for patient's spinal column center because need a large amount of, the complicated instrument of processing because tradition needs a lot of instruments when manually intercalated disc is implanted spinal column.
Content
A purpose of the present utility model provides an adjustable artificial intercalated disc, and it can carry out the adjusting of height according to patient condition between the front and back end, to satisfy in order to keep the suitable pliability of patient's lumbar vertebra the height adjustment of needs.
Another purpose of the present utility model provides an adjustable artificial intercalated disc, and it can make intercalated disc operation outfit minimize, and makes easy and simple to handle.
The adjustable artificial intercalated disc that can regulate height that this utility model behaviour intercalated disc soft tissue provides, an embodiment comprises:
1) hollow structure, it comprises:
B) the support part of this space frame of support in a unit space,
B) divide the radially extension that forms from support sector, keep the profile of this hollow structure, and radially the inner surface of extension has gradually little internal diameter and guide wire;
2) the radially extension throw of extension radially, it moves is to carry out along guide wire in gradually little internal diameter, Xuan Zhuan motion is just controlled by guide wire.
Instrument is the spiral shell public affairs, and guide wire is a nut.
The artificial intercalated disc of this utility model comprises the further formation of people's intercalated disc soft tissue; For closely, ducted body is fixed to the setting tool of intervertebral disc, this setting tool is exactly the helix of extension outer surface radially.
The adjustable artificial intercalated disc that can regulate height that this utility model behaviour intercalated disc soft tissue provides, another embodiment comprises:
1) hollow structure, it comprises;
A) the support part of this space frame of support in a unit space,
B) support on the part many arms are arranged, they are cut apart by some cracks, and independently of one another, radially the internal diameter of extension is gradually little, support that promptly the opposite side of part is more and more littler,
C) there is outer vortex on the ducted body surface,
D) the inner surface internal diameter is gradually little, forms nut,
E) in ducted body at least two levels to elongated hole;
2) make the arm of radially extension along the gradually little internal diameter rotation of nut and spiral shell public affairs that move.
Arm has sharp edges, and it is wedge shape on tangent plane.
The screw thread of outer vortex has the outer surface of a dried ducted body of lateral vertical, and ducted body is an inclination angle at the end of arm external diameter.Simultaneously, overlap in the horizontal-extending hole and the crack of ducted body.
Description of drawings
Accompanying drawing is that this utility model is described further, and is the part of description.Diagram of the present utility model and description illustrated together principle of the present invention.
Fig. 1 is the axonometric chart of the adjustable artificial intercalated disc of first embodiment of this utility model.
Fig. 2 is the front elevation of adjustable artificial intercalated disc among Fig. 1;
Fig. 3 is the right part of flg of adjustable artificial intercalated disc among Fig. 1;
Fig. 4 be among Fig. 3 adjustable artificial between the transverse section (profile) of rim I-I line;
Fig. 5 be among Fig. 3 adjustable artificial between the transverse section of rim II-II line;
Fig. 6 be among Fig. 2 adjustable artificial between the transverse section of rim III-III line;
Fig. 7 is the transverse section of the adjustable artificial intercalated disc extension of first embodiment of this utility model;
Fig. 8 is the adjustable artificial intercalated disc of first embodiment of this utility model and the left hand view that intervertebral disc merges;
Fig. 9 A is the axonometric chart of the adjustable artificial intercalated disc of second embodiment of this utility model;
Fig. 9 B is the axonometric chart of the adjustable artificial intercalated disc of the 3rd embodiment of this utility model;
Figure 10 is the adjustable artificial intercalated disc front elevation of the 4th embodiment of this utility model.
The specific embodiment:
Below, will be elaborated to the artificial intercalated disc of this utility model in conjunction with the accompanying drawings;
Fig. 1 is the axonometric chart of the adjustable artificial intercalated disc of this utility model.As shown in Figure 1, be a cylindrical screw body according to adjustable artificial intercalated disc 100 of the present utility model, it is equal to and has the support part, boss part A and the ducted body of extension B radially.The thickness of ducted body is enough to bear external force and prevents its distortion.On the radially extension B of ducted body, two horizontal-extending holes 30 are arranged.Article two, lack crack 22 and extend to the radially end of extension B separately at 30 places, horizontal-extending hole, two long cracks 25 are present in radially on the B of extension.Crack 22,25 and horizontal-extending hole 30 radially extension B are divided into 4 independently hollow discs 21.As a result, by some horizontal-extending holes 30, the prefabricated ditch that short crack 22 and long crack 25 form makes independently that the garden convex portion A of hollow disc 21 offsides can open greatly.Radially the outer surface of extension B has helix 13, and it can make this ducted body smoothly insert intervertebral disc, as the fixed factor of integration technology between lumbar vertebra.There is inner vortex 26 at the inner surface of extension B radially.
With reference to Fig. 2, it is the front elevation of adjustable artificial intercalated disc 100 among Fig. 1, has two fixed grooves 12 on plate washer 10 at least, has formed boss A.Radially there is inner vortex 26 (do not indicate, see Fig. 1) in the inner surface of extension B so that make the spiral shell public affairs of the pilot hole 11 by the boss part A can insert radially extension B.In order to prevent the public ducted body that breaks away from of this spiral shell, each independently the end of hollow disc 21 anticreep prominent 23 is all arranged.The part of the prominent 23 protection ducted bodies of these anticreeps is lacked crack 22, and long crack 25 and horizontal-extending hole 30 are cut apart.
With reference to Fig. 3, it shows the right part of flg of the adjustable artificial intercalated disc 100 of this utility model, and the radially extension B of this ducted body is by two horizontal-extending holes 30, and short crack 22 and long crack 25 are divided into four independently hollow discs 21.Corresponding increase when equally, radially the external diameter of extension B directly increases within it.Among Fig. 3, outmost circle and adjacent line of discontinuity are represented outer vortex 13, and the line of discontinuity of the inside is represented the interior diameter of pilot hole 11.
Fig. 4 is that adjustable artificial intercalated disc 100 is along the transverse section of I-I line among Fig. 3, and Fig. 5 is along the transverse section of II-II line among Fig. 3.Fig. 3 is that spiral shell public affairs 50 are inserted radially extension B from pilot hole 11.Spiral shell public affairs 50 also have at least one to reverse groove 15 so that the patient rotates this spiral shell public affairs 50.In order to prevent that the boss part A from rotating the public 50 o'clock co-rotation of spiral shell the patient, can be by fixed groove 12 boss part A promptly.Because the internal diameter of the radially extension B of boss part A offside becomes more and more littler gradually, when spiral shell public affairs 50 along inner vortex 26 during to prominent 23 rotations of anticreep, independently hollow disc 21 will broaden.If spiral shell public affairs 50 from garden convex portion A to it to sideway swivel, the external diameter that so radially extends B will broaden.As a result, adjustable artificial intercalated disc 100 of the present utility model will produce different height change, and the intercalated disc of this height change can be fit to the different situation of patient.
The outer surface of each independent hollow disc 21 all has outer vortex 13, helps adjustable artificial intercalated disc 100 to be fixed on intervertebral disc.Particularly, comprise that two positions in horizontal-extending hole 30 contact with intervertebral disc, this is the reason of the sharp edges in horizontal-extending hole 30 just.In order to make its sharp edges, the tangent plane in horizontal-extending hole 30 is gradually sharp.This sharp edge has increased fusion power and the bed knife between adjustable artificial intercalated disc 100 and the intervertebral disc.It should be noted that a horizontal-extending hole 30 contacts and another relative contacting with the bottom intervertebral disc with the top intervertebral disc.Because adjustable artificial intercalated disc 100 can be subjected to pushing the living displacement of common property after implanting intervertebral disc, outer vortex 13 and above-mentioned sharp edge have been exactly the effect that prevents adjustable artificial intercalated disc 100 displacements.
Fig. 5 show crack 25 radially extension B be divided into four independently hollow discs 21.The radially extension of extension B becomes possibility by making cutting apart of crack 22,25 and horizontal-extending hole 30 radially.Controlled meticulously according to the height that adjustable artificial intercalated disc 100 of the present utility model radially extends.
Make by the titanium material according to this adjustable artificial intercalated disc 100 of the present utility model.Integrating materials has coral powder on the surface of boss part A and independent hollow disc 21, can increase the fusion power of intervertebral disc and adjustable artificial intercalated disc 100.
There is a ready-formed inclination angle along direction of insertion the transverse section of the outer vortex 13 of artificial intercalated disc 100.This helical is in the side of boss part A direction and the Surface Vertical of hollow disc 21 independently.The different inclination angle of helix can prevent that this ducted body is by the latent effect power dial-out reverse with insertion.
As mentioned above, the diameter of boss part A side is less than its offside.More particularly, radially the polymerization angle of the internal diameter of extension B is 4 to 10 degree.Because this polymerization angle and difference in height relation are very big, in a possible scope, can carefully adjust.If radially the polymerization angle of the internal diameter of extension B is 7 degree, the folding angle of independent hollow disc 21 can be 0 to 14 degree.This embodiment of the present utility model, the profile of boss part A is round, but also may be triangle, rectangle, pentagon, hexagon, heptagon, octagon or the like.
Because crack 22 and 25 (Fig. 2) is independently arranged between the hollow disc 21, the end of hollow disc 21 is not fixed at the offside of boss part A and stops, when spiral shell public affairs 50 in ducted body during to prominent 23 rotations of anticreep, independent hollow disc 21 will be by radially broadening in the inboard of boss part A.Reversing groove 15 can be various polygons and Any shape, can rotate spiral shell public affairs 50 by it.The patient can be by understanding the radially degree of broadening diameter at the revolution of preset range internal rotation spiral shell public affairs 50.
Fig. 6 is the transverse section that the adjustable artificial intercalated disc 100 of the present invention extends, and Fig. 7 is adjustable artificial intercalated disc 100 transverse section along III-III in Fig. 3.Among Fig. 6, spiral shell public affairs 50 have arrived the end of anticreep prominent 23 along its gradually thin outer vortex 26, and independent hollow disc 21 radially extended at boss part A offside.Among Fig. 7, independent hollow disc 21 of contact area C (the horizontal-extending hole 30 that comprises this position) expression and the contacted position of intervertebral disc.
With reference to Fig. 8, two adjustable artificial intercalated disc 100 have inserted in the intervertebral disc, and what ducted body showed on the whole is round, yet even have the profile of rectangle (R), it also can implanted lumbar vertebra.Among Fig. 8, the zone 24 in rectangle (R) comprises horizontal-extending hole 30.Owing to comprise horizontal-extending hole 30 with the contacted part of intervertebral disc, the space of integrating materials and adjustable artificial intercalated disc 100 thereof will be filled, and people's skeleton is just as a bone, can be easy, and powerful the fusion.Because this fusion, zone 24 comprises that horizontal-extending hole 30 will contact with intervertebral disc.
At the lip-deep integrating materials of boss part A and independent hollow disc 21,, can increase the fusion power of intervertebral disc and adjustable artificial intercalated disc as people's bone meal and coral powder.And this integrating materials can increase the space of ducted body, increases fusion power, and can strictly be fixed on the spiral shell public affairs on the outer vortex.
Fig. 9 A is the adjustable artificial intercalated disc of second embodiment of this utility model.Among this embodiment, radially there are not two long cracks 25 on the B of extension, so radially extension B only is divided into two independent hollow discs 21.If there is patient not need to regulate the height of adjustable artificial intercalated disc, this embodiment is applicable to such patient.Therefore, when the adjustable artificial intercalated disc of second embodiment of this utility model inserted in the intervertebral disc, two horizontal-extending holes 30 contacted with intervertebral disc respectively up and down, and adjustable artificial intercalated disc is only done the side and extended.
Fig. 9 B is the adjustable artificial intercalated disc of the 3rd embodiment of this utility model.Among this embodiment, radially there are not two short cracks 22 on the B of extension, so radially extension B only is divided into two independent hollow discs 21.If patient need regulate the height of adjustable artificial intercalated disc, this embodiment is applicable to such patient.Therefore, when the adjustable artificial intercalated disc of the 3rd embodiment of this utility model inserted in the intervertebral disc, two horizontal-extending holes 30 also were to contact with intervertebral disc up and down respectively.Yet different with second embodiment, because have only long crack 25, adjustable artificial intercalated disc can not extend the side.
With reference to Figure 10, shown the adjustable artificial intercalated disc of the 4th embodiment of this utility model.This ducted body has an inclination angle at the end of extension B radially.Overall diameter at the terminal outer vortex 13 of extension B radially is more and more littler.Extend if finish the side in Fig. 8, the end in two horizontal-extending holes 30 will be pushed mutually.And this structure has prevented the distortion of adjustable artificial intercalated disc exact position.And when the helix of such design inserted intervertebral disc, the boss part A can be with the limitation in height of extension B radially in the scope of boss part A overall diameter.In order to prevent this limitation in height, a flat region 14 is arranged on the boss part A, same level elongated hole 30 has identical axle.
Above-mentionedly show obviously that adjustable artificial intercalated disc of the present utility model makes it effective to various intercalated disc reductions owing to have according to patient's intervertebral disc situation and carry out altitude mixture control.Simultaneously, adjustable artificial intercalated disc of the present utility model has been simplified the instrument of necessity in the art, makes it easy.
And the complete shape of adjustable artificial intercalated disc of the present utility model is a garden post spirillum, itself finishes implantation by rotating this intercalated disc, implants with traditional knocking and compares, and operation is easy, and can prevent neuron and other neural tissue injury.
This utility model and specific embodiment thereof are illustrated, and obviously according to this utility model, multiple change and modification may take place its technology skill.
Claims (21)
1. can regulate the adjustable artificial intercalated disc of height, be characterised in that it comprises:
1) hollow structure, it comprises:
A) the support part of this space frame of support in a unit space,
B) divide the radially extension that forms from support sector, keep the profile of this hollow structure, and radially the inner surface of extension has gradually little internal diameter and guide wire;
2) the radially extension throw of extension radially, it moves is to carry out along guide wire in gradually little internal diameter, Xuan Zhuan motion is just controlled by guide wire.
2. according to the artificial intercalated disc of claim 1, it is characterized in that instrument is the spiral shell public affairs, guide wire is a nut.
3. according to the artificial intercalated disc of claim 1, it is characterized in that, further comprise being used for ducted body and the tight fixed setting tool of intervertebral disc.
4. according to the artificial intercalated disc of claim 3, it is characterized in that setting tool is the helix of extension outer surface radially.
5. according to the artificial intercalated disc of claim 1, it is characterized in that, further comprise: radially the extension has two horizontal-extending holes at least.
6. according to the artificial intercalated disc of claim 5, it is characterized in that the horizontal-extending hole has sharp incisxal edge, be wedge shape on this sharp incisxal edge tangent plane.
7. according to the artificial intercalated disc of claim 1, it is characterized in that ducted body is by titanium or titanium alloy manufacturing.
8. according to the artificial intercalated disc of claim 5, it is characterized in that radially the extension has the garden dish that much links to each other with support section, each garden dish is cut apart by many cracks.
9. according to the artificial intercalated disc of claim 8, it is characterized in that overlapping in horizontal-extending hole and crack.
10. according to the artificial intercalated disc of claim 9, it is characterized in that, each garden dish its end all have one prominent to prevent the anticreep that throw breaks away from from extension radially.
11. the artificial intercalated disc according to claim 2 is characterized in that radially the extension has gradually little internal diameter, its outer surface has outer vortex, and inner surface has inner vortex; Throw is radially rotating in the extension.
12. the artificial intercalated disc according to claim 1 is characterized in that the profile of ducted body can be selected triangle, rectangle, pentagon, hexagon, heptagon and octagon.
13.. artificial intercalated disc according to claim 8, it is characterized in that, radially the extension has four and divides the garden link to each other to coil with support sector, radially there are two short cracks and two long cracks in the extension, four garden dishes are separated by two short cracks and two long cracks, and two horizontal-extending holes link to each other with two short cracks respectively.
14. artificial intercalated disc according to claim 8, it is characterized in that, radially the extension has two and divides the garden link to each other to coil with support sector, radially there are two short cracks the extension, two horizontal-extending holes link to each other with two short cracks respectively, and two garden dishes are separated by two short cracks and two horizontal-extending holes.
15. the artificial intercalated disc according to claim 8 is characterized in that, radially the extension has two and divides the garden link to each other dish with support sector, and radially the extension has two long cracks radially to be divided into two gardens dishes in the extension, and two gardens dishes are by two long cracks separations.
16. can regulate the adjustable artificial intercalated disc of height, be characterised in that it comprises:
1) hollow structure, it comprises:
A) the support part of this space frame of support in a unit space,
B) support on the part many arms are arranged, they are cut apart by some cracks, and independently of one another, radially the internal diameter of extension is gradually little, support that promptly the opposite side of part is more and more littler,
C) there is outer vortex on the ducted body surface,
D) the inner surface internal diameter is gradually little, forms nut,
E) in ducted body at least two levels to elongated hole;
2) make the arm of radially extension along the gradually little internal diameter rotation of nut and spiral shell public affairs that move.
17. the artificial intercalated disc according to claim 16 is characterized in that arm has sharp incisxal edge, it is wedge shape on tangent plane.
18. the artificial intercalated disc according to claim 16 is characterized in that, a side of outer helix screw thread is vertical with hollow body outer surface.
19. the artificial intercalated disc according to claim 16 is characterized in that, ducted body is the inclination angle at the terminal overall diameter of arm.
20. the artificial intercalated disc according to claim 16 is characterized in that, overlap in the horizontal-extending hole and the crack of ducted body.
21. the artificial intercalated disc according to claim 16 is characterized in that, supports part that the flat region is arranged, the flat region is coaxial with the horizontal-extending hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030001834 | 2003-01-11 | ||
| KR20030001834 | 2003-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2668075Y true CN2668075Y (en) | 2005-01-05 |
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ID=34464677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201004882U Expired - Fee Related CN2668075Y (en) | 2003-01-11 | 2003-10-17 | Adjustable artificial disc capable of regulating height |
Country Status (1)
| Country | Link |
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| CN (1) | CN2668075Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073876A (en) * | 2016-08-10 | 2016-11-09 | 邹德威 | Fusion device |
| US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US10195053B2 (en) | 2009-09-18 | 2019-02-05 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
-
2003
- 2003-10-17 CN CNU2003201004882U patent/CN2668075Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10195053B2 (en) | 2009-09-18 | 2019-02-05 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| US11660208B2 (en) | 2009-09-18 | 2023-05-30 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US10219915B1 (en) | 2013-05-22 | 2019-03-05 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US10492924B2 (en) | 2013-08-09 | 2019-12-03 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US11696836B2 (en) | 2013-08-09 | 2023-07-11 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| CN106073876A (en) * | 2016-08-10 | 2016-11-09 | 邹德威 | Fusion device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20091117 |