CN203001182U - Adjustable interbody fusion cage - Google Patents
Adjustable interbody fusion cage Download PDFInfo
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- CN203001182U CN203001182U CN2012201214536U CN201220121453U CN203001182U CN 203001182 U CN203001182 U CN 203001182U CN 2012201214536 U CN2012201214536 U CN 2012201214536U CN 201220121453 U CN201220121453 U CN 201220121453U CN 203001182 U CN203001182 U CN 203001182U
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- fusant
- fusion device
- adjustable type
- lumbar fusion
- invasive lumbar
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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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Prostheses (AREA)
Abstract
An adjustable interbody fusion cage comprises a fusion body (1) and adjusting screws (2), the fusion body (1) is provided with a screw hole segment (11) and a propped segment (12), the adjusting screw (2) is provided with a screw thread segment (21) and an expansion segment (22), the adjustable interbody fusion cage in a closed state is placed in an vertebral body gap in usage, the screw thread segment (21) of the adjusting screw (2) is gradually screwed in the screw hole segment (11) of the fusion body (1), the expansion segment (22) of the adjusting screw (2) will gradually open the propped segment (12) of the fusion body (1), the vertebral body gap will be propped to a needed height, vertebral body sequence can be rectified, and good physiology curvature of a spinal column is restored.
Description
Technical field
This utility model relates to orthopaedics and implants the field, more specifically, relates to a kind of adjustable type Invasive lumbar fusion device for merging between spinal vertebral.
Background technology
In field of spinal surgery, for degeneration slippage, traumatic slippage, segmental instability, discogenic pain, and acute intervertebral disk hernia companion's spinal cord or the diseases such as nervous lesion, old spinal cord injury companion compressive myelopathy, using Invasive lumbar fusion device to carry out the spinal levels fusion is one of present extensive adopted Therapeutic Method.Invasive lumbar fusion device has the functions such as support, resistance to compression, equal separate loading, can recover preferably intervertebral space height and spinal column physiological camber, can obtain reliable bone fusion by implanting from body or allograph bone granule simultaneously, its clinical efficacy has obtained a large amount of clinical research confirmations.Present conventional Invasive lumbar fusion device uses medical metal or polymeric biomaterial to make more, and be designed to difformity, different-thickness, different wedge angle for adapting to the different intervertebral physiological parameters of patient, can satisfy most of operation needs, but still exist some defectives to cause the operation of some patients were can't obtain promising result, for example:
1. merge the osteoporotic patient of severe and lose height and spinal column physiological camber between desirable vertebral body because Invasive lumbar fusion device net sectional area deficiency easily causes Invasive lumbar fusion device depression in the adjacent vertebral bodies;
2. can not carry out the secondary adjustment after implanting;
3. in the fusion of congenital scoliosis patient deformity vertebral body, conventional Invasive lumbar fusion device is difficult to adapt to the irregular height of its intervertebral space and angle.
The utility model content
This utility model purpose can be regulated according to the needs of adjacent vertebral bodies gap morphology characteristics and operation after being to provide in a kind of art and implanting again, in order to reach the desirable physiological camber that struts height and angle, rebuilds spinal column, satisfy the adjustable type Invasive lumbar fusion device that immediate postoperative is stable and bone fusion at a specified future date requires.
This utility model purpose can be regulated according to the needs of position form between adjacent vertebral bodies after being to provide in a kind of art and implanting again, so as to reach ideal strut height and angle, recover spinal column good physiological camber, satisfy the adjustable type Invasive lumbar fusion device that the vertebral body immediate postoperative is stable and the bone fusion later stage requires.
For achieving the above object, this utility model is taked following design:
a kind of adjustable type Invasive lumbar fusion device, it is characterized in that this adjustable type Invasive lumbar fusion device is comprised of fusant and adjustment screw, described fusant is provided with screw section and the section of strutting, two of contacted up and down of described fusant and host's physiology terminal plate of vertebral body contact surface is called the vertebral body contact surface, described adjustment screw is provided with thread segment and expansion arc, the adjustable type Invasive lumbar fusion device that will be in use under closure state is placed into interbody space, and the thread segment of described adjustment screw is screwed in gradually the screw section of described fusant, this moment, the expansion arc of described adjustment screw will make the section of strutting of described fusant expand gradually so that interbody space struts to desired height, can reach thus and correct the vertebral body sequence, recover the purpose of the good physiological camber of spinal column.
Further, the fusant of described adjustable type Invasive lumbar fusion device and adjustment screw adopt medical metal and/or medical macromolecular materials to comprise that resorbable polymeric materials makes.
Further, its profile of described fusant is the intercepting section of cylindrical body, and described cylindrical body shape of cross section is rectangle, circle, Long Circle, ellipse, annular, fan-shaped, polygon, kidney shape and the graphics shape that formed by above-mentioned graphics combine.
Further, the vertebral body contact surface of described fusant surface is dentalation, and this kind dentalation can strengthen frictional force between fusant and adjacent vertebral bodies to improve the early stage stability of postoperative.
Further, the vertebral body contact surface surface of described fusant has the spike projection, and this kind spike projection embeds the soleplate of adjacent vertebral bodies afterwards in pressurization, to strengthen the early stage stability between postoperative fusant and adjacent vertebral bodies.
Further, the vertebral body contact surface of described fusant has microcellular structure, and this microcellular structure is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected, and the aperture of described microcellular structure hole is 100 μ m to 1800 μ m.
Further, described fusant is that solid material, all the other are microcellular structure except screw hole parts and the necessary reinforcement structure of screw section, this microcellular structure is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected, and the aperture of described microcellular structure hole is 100 μ m to 1800 μ m.
The metal surface of the fusant that is made of metal further, and vertebral body contact surface microcellular structure thereof is coated with hydroxyapatite coating layer.
Further, there is a partitioning slot section of strutting of described fusant middle part, this partitioning slot will the section of strutting be divided into strut body with under strut body.
Further, the screw section of described fusant is provided with screw, the centrage of described screw relative with the partitioning slot of the described fusant section of strutting with the expansion arc that guarantees can to make adjustment screw when screwing in adjustment screw enter strut body and under strut between body.
Further, described screw aperture is 1 to 10mm, and pitch is 0.25 to 5mm.
Further, the surface of fusant and/or inside are provided with the reinforcement structure.
Further, be provided with the bone grafting hole on fusant, described bone grafting hole number is one or more, and a plurality of bone graftings mutually connect or are connected by microcellular structure between the hole.
Further, the aperture in bone grafting hole is 2mm to 30mm.
Further, its thread parameter of the thread segment of described adjustment screw is corresponding with the screw section screw parameter of described fusant, and the described diameter of thread is 1 to 10mm, and pitch is 0.25 to 5mm.
Further, the expansion arc of described adjustment screw is coaxial with the thread segment of described adjustment screw, and the expansion arc profile is cylindrical, conical, spindle, spherical.
Further, the expansion arc diameter of described adjustment screw is 1 to 10mm.
Further, described fusant can have one group of screw section and the section of strutting, and also can have two groups of above screw sections and the section of strutting, the arrangement mode of described two groups of above screw sections and the section of strutting comprise be arranged side by side, be staggered, the angle arrangement.
This utility model adjustable type Invasive lumbar fusion device, its fusant, adjustment screw parts adopt medical metal and medical macromolecular materials to make, and this class medical material has all confirmed through clinical practice for many years the biology performance that it is good.
A kind of operation process of this utility model adjustable type Invasive lumbar fusion device is:
1) necessary cleaning is carried out at the intervertebral position of required implantation;
2) use the intervertebral pulling instrument that interbody space is strutted to the height that can put into the adjustable type Invasive lumbar fusion device;
3) select the fusant of suitable specification to implant interbody space, be implanted in the bone grafting hole of fusant in case of necessity from body bone or allograph bone to induce the creeping substitution of following osteocyte;
Select the fusant of suitable thickness to put into intervertebral space, be implanted in the bone grafting hole of fusant in case of necessity from the bone piece of body bone or allograph bone and broken osseous granules to induce creeping of following osteocyte to grow into;
4) select the adjustment screw of suitable diameter and length, the thread segment of adjustment screw is screwed in the screw of fusant screw section reposefully, lasting precession along with adjustment screw, the expansion arc of adjustment screw is expanded the section of strutting of fusant gradually, make strut body with under strut body and fit tightly and strut with the adjacent vertebral bodies soleplate respectively, the patient by visual or by the iconography means observe interbody space until reach satisfied till;
5) according to patient's operation plan, other have formed commercial front road or way of escape internal fixation of spine device can also to assist installation except the adjustable type Invasive lumbar fusion device.
Well-known operation plan has a variety of to the judgement of the state of an illness according to patient's concrete condition and patient, do not do more detailed description here.
After the implanted human body of adjustable type Invasive lumbar fusion device, the soleplate of the vertebral body contact surface of this adjustable type Invasive lumbar fusion device and host's neighbouring vertebral body fits tightly, following osteocyte will grow into fusant and vertebral body contact surface surface microcellular structure and form good bone fusion.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining this utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to adjustable type Invasive lumbar fusion device the first example structure decomposing schematic representation of the present utility model;
Fig. 2 decomposes cut-away illustration according to adjustable type Invasive lumbar fusion device the first example structure of the present utility model;
Fig. 3 is according to adjustable type Invasive lumbar fusion device the first embodiment internal structure cross-sectional schematic of the present utility model;
Fig. 4 makes up rear internal structure cross-sectional schematic according to adjustable type Invasive lumbar fusion device the first embodiment of the present utility model;
Fig. 5 is according to adjustable type Invasive lumbar fusion device the second embodiment decomposing schematic representation of the present utility model;
Fig. 6 makes up rear schematic diagram according to adjustable type Invasive lumbar fusion device the second embodiment of the present utility model;
Fig. 7 is according to adjustable type Invasive lumbar fusion device the 3rd embodiment decomposing schematic representation of the present utility model;
Fig. 8 makes up rear schematic diagram according to adjustable type Invasive lumbar fusion device the 3rd embodiment of the present utility model;
Fig. 9 is according to adjustable type Invasive lumbar fusion device the 4th embodiment decomposing schematic representation of the present utility model;
Figure 10 makes up rear schematic diagram according to adjustable type Invasive lumbar fusion device the 4th embodiment of the present utility model;
Figure 11 is according to adjustable type Invasive lumbar fusion device the 5th embodiment decomposing schematic representation of the present utility model;
Figure 12 makes up rear schematic diagram according to adjustable type Invasive lumbar fusion device the 5th embodiment of the present utility model;
Figure 13 is according to adjustable type Invasive lumbar fusion device the 6th embodiment decomposing schematic representation of the present utility model;
Figure 14 makes up rear schematic diagram according to adjustable type Invasive lumbar fusion device the 6th embodiment of the present utility model;
Figure 15 strengthens structure embodiment schematic diagram according to adjustable type Invasive lumbar fusion device of the present utility model;
Figure 16 is according to adjustable type Invasive lumbar fusion device implanting state schematic diagram of the present utility model;
Figure 17 is according to fusant the first microcellular structure embodiment schematic diagram of the present utility model;
Figure 18 is according to fusant the second microcellular structure embodiment schematic diagram of the present utility model.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments this utility model in detail.
, formed by fusant 1 and adjustment screw 2 to adjustable type Invasive lumbar fusion device of the present utility model shown in Figure 14 as Fig. 1, described fusant 1 is provided with screw section 11 and the section of strutting 12, described fusant 1 is called vertebral body contact surface 121 with host's physiology terminal plate of vertebral body two of contacted up and down contact surface, described adjustment screw 2 is provided with thread segment 21 and expansion arc 22, to be in adjustable type Invasive lumbar fusion device under closure state in use and be placed into the intervertebral space position, and the thread segment 21 of described adjustment screw 2 is screwed in gradually the screw section 11 of described fusant 1, this moment, the expansion arc 22 of described adjustment screw 2 will make the section of strutting 12 of described fusant expand so that interbody space struts to desired height and angle gradually.
As Fig. 1 to this utility model adjustable type Invasive lumbar fusion device shown in Figure 14, its fusant 1 profile is the intercepting section of cylindrical body, described cylindrical body shape of cross section is rectangle, circle, Long Circle, ellipse, annular, fan-shaped, polygon, kidney shape and the graphics shape that formed by above-mentioned graphics combine, two ends up and down at fusant 1 are provided with vertebral body contact surface 121, the section of strutting 12 middle parts at described fusant 1 are provided with a partitioning slot 122, this partitioning slot 122 will the section of strutting 12 be divided into strut body 123 with under strut body 124.
As Fig. 1, this utility model adjustable type Invasive lumbar fusion device shown in Figure 7, vertebral body contact surface 121 surfaces of its fusant 1 are dentalation 125.
As Fig. 5, this utility model adjustable type Invasive lumbar fusion device shown in Figure 6, vertebral body contact surface 121 surfaces of its fusant 1 have spike projection 126.
Preferably, this utility model adjustable type Invasive lumbar fusion device as shown in Figure 9, the vertebral body contact surface 121 of its fusant 1 has the first microcellular structure 127, this first microcellular structure 127 is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected as shown in figure 17, and the aperture of described the first microcellular structure 127 holes is 100 μ m to 1800 μ m.
Preferably, as Fig. 9, this utility model adjustable type Invasive lumbar fusion device shown in Figure 11, its fusant 1 is solid material except the screw 111 of screw section 11, all the other positions are the second microcellular structure 128, this second microcellular structure 128 is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected as shown in figure 18, and the aperture of described the second microcellular structure 128 holes is 100 μ m to 1800 μ m.
As Fig. 1 to this utility model adjustable type Invasive lumbar fusion device shown in Figure 14, the screw section 11 of its fusant 1 is provided with screw 111, the centrage of described screw 111 relative with the partitioning slot 122 of described fusant 1 section of strutting 12 with the expansion arc 22 that guarantees can to make adjustment screw 2 when screwing in adjustment screw 2 enter strut body 123 and under strut between body 124.
be provided with bone grafting hole 130 in this utility model adjustable type Invasive lumbar fusion device embodiment as shown in Figure 1 on fusant 1, the quantity in bone grafting hole 130 is one or more, mutually connect between a plurality of bone graftings hole 130 or be connected by the first microcellular structure 127 and/or the second microcellular structure 128, this bone grafting hole 130 can hold from body or allograph bone piece and osseous granules, 130 be implanted into to play to induce osteocyte to creep and grow into from body or allograph bone piece and osseous granules and promote the effect that bone merges in this bone grafting hole before art or in art, 130 apertures, bone grafting hole are 2mm to 30mm, to facilitate implanting from body or allograph bone piece and osseous granules of different-diameter.
It is the assembly of screw section 11 and the section of strutting 12 more than two groups as fusant 1 in Figure 11, this utility model adjustable type Invasive lumbar fusion device embodiment shown in Figure 13, described two groups of above screw sections 11 can have different compound modes from the section of strutting 12, comprise as Figure 11, screw section shown in Figure 13 11 be arranged side by side with the section of strutting 12, screw the section 11 and section of strutting 12 is staggered, screw section 11 and the angled arrangement of the section of strutting 12.
The surface of fusant 1 and/or inside are provided with and strengthen structure 129 as shown in figure 15.
Induce the purpose of osteocyte creeping substitution for reaching postoperative, fusant 1 is coated with hydroxyapatite coating layer with the first microcellular structure 127 of vertebral body contact surface 121 and/or the metal surface of the second microcellular structure 128.
The processing method of adjustable type Invasive lumbar fusion device has two comparatively ideal machining paths:
The processor that A, each parts data of adjustable type Invasive lumbar fusion device that adopts the numerical control machine tool foundation to generate in computer convert to carries out machine-shaping, then use the processing of the methods such as spark machined, chemical attack, machine drilling cutting to bore to mill out needed bone grafting hole, screw hole and micropore, hold-down screw adopts turning or mills and wait the making of conventional mechanical processing method;
B, utilize laser sintered or the rapid shaping technique melt molding such as high-power electron beam melting, concrete grammar is as follows:
A) use professional software to carry out layering to the adjustable type Invasive lumbar fusion device parts three-dimensional data model of design-build in computer, to obtain the outline data of a series of monolayer slices;
B) to laser or the above-mentioned serial synusia data of high-power electron beam rapid forming equipment input;
The medical metal powder of floor height respective thickness when c) laying with aforementioned three-dimensional data model layering in laser or high-power electron beam rapid forming equipment processing cabin;
D) by computer controlled controlling laser beam or high-power electron beam, the medical metal powder scanned and selectively melt;
E) repeat aforementioned laying powder, scanning fusing step so that the mutual clinkering of material of the selected fusing of each layer becomes whole;
F) complete the adjustable type Invasive lumbar fusion device parts that the powder of removing not melting after the melting process of whole aspects can obtain required shape and structure;
G) owing to needed entity, bone grafting hole, screw hole, micropore etc. structure being designed in the lump in data file when building adjustable type Invasive lumbar fusion device parts three-dimensional data model, therefore above-mentioned various structures are completed manufacturing with disposable in laser sintered or high-power electron beam melting process;
H) hydroxyapatite coating layer can obtain by pyrolytic coating or electrochemical deposition.
The above is only preferred embodiment of the present utility model, is not limited to this utility model, and for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (18)
1. adjustable type Invasive lumbar fusion device, it is characterized in that this adjustable type Invasive lumbar fusion device is comprised of fusant (1) and adjustment screw (2), be provided with screw section (11) and the section of strutting (12) on described fusant (1), when described adjustment screw (2) was threaded into the screw section (11) of fusant (1), described adjustment screw (2) will make the section of strutting (12) of fusant (1) expand so that interbody space struts to desired height and angle gradually.
2. adjustable type Invasive lumbar fusion device according to claim 1, it is characterized in that, described fusant (1) profile is the intercepting section of cylindrical body, and described cylindrical body cross-sectional geometry is rectangle, circle, ellipse, annular, fan-shaped, polygon and the geometry that formed by above-mentioned graphics combine.
3. adjustable type Invasive lumbar fusion device according to claim 1, is characterized in that, is provided with screw (111) in the screw section (11) of fusant (1), and the aperture of described screw (111) is 1 to 10mm, and pitch is 0.25 to 5mm.
4. adjustable type Invasive lumbar fusion device according to claim 1, is characterized in that, is provided with vertebral body contact surface (121) at the two ends up and down of fusant (1).
5. adjustable type Invasive lumbar fusion device according to claim 4, is characterized in that, vertebral body contact surface (121) surface of fusant (1) is dentalation (125).
6. adjustable type Invasive lumbar fusion device according to claim 4, is characterized in that, vertebral body contact surface (121) surface of fusant (1) has spike projection (126).
7. adjustable type Invasive lumbar fusion device according to claim 4, it is characterized in that, the vertebral body contact surface (121) of fusant (1) has the first microcellular structure (127), this first microcellular structure (127) is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected, and the aperture of described the first microcellular structure (127) hole is 100 μ m to 1800 μ m.
8. adjustable type Invasive lumbar fusion device according to claim 3, it is characterized in that, fusant (1) is solid material except the screw (111) of screw section (11), all the other positions are the second microcellular structure (128), this second microcellular structure (128) is the multidirectional micro hole structure that comprises a plurality of micropores that are interconnected, and the aperture of described the second microcellular structure (128) hole is 100 μ m to 1800 μ m.
9. adjustable type Invasive lumbar fusion device according to claim 1, is characterized in that, the surface of fusant (1) and/or inside are provided with strengthens structure (129).
10. adjustable type Invasive lumbar fusion device according to claim 2, it is characterized in that, be provided with bone grafting hole (130) on this fusant (1), the quantity in bone grafting hole (130) is one or more, mutually connect between a plurality of bone graftings hole (130) or be connected by the first microcellular structure (127) and/or the second microcellular structure (128), aperture, bone grafting hole (130) is 2mm to 30mm.
11. adjustable type Invasive lumbar fusion device according to claim 1, it is characterized in that, the section of strutting (12) middle part in fusant (1) is provided with a partitioning slot (122), this partitioning slot (122) will the section of strutting (12) be divided into strut body (123) with under strut body (124).
12. adjustable type Invasive lumbar fusion device according to claim 3, it is characterized in that, the centrage of the screw (111) of fusant (1) is relative with partitioning slot (122), when adjustment screw (2) is threaded into fusant (1), the expansion arc (22) of adjustment screw (2) will insert the partitioning slot (122) of fusant (1).
13. adjustable type Invasive lumbar fusion device according to claim 1 is characterized in that, described adjustment screw (2) is provided with thread segment (21) and expansion arc (22), and described thread segment (21) is coaxial with described expansion arc (22).
14. adjustable type Invasive lumbar fusion device according to claim 13 is characterized in that, its diameter of thread of thread segment (21) of described adjustment screw (2) is 1 to 10mm, and pitch is 0.25 to 5mm.
15. adjustable type Invasive lumbar fusion device according to claim 13 is characterized in that, its profile of expansion arc (22) of described adjustment screw (2) is cylindrical, conical, spherical.
16. adjustable type Invasive lumbar fusion device according to claim 1 is characterized in that, described fusant (1) has one group of screw section (11) and the section of strutting (12).
17. adjustable type Invasive lumbar fusion device according to claim 1, it is characterized in that, described fusant (1) has two groups of above screw sections (11) and the section of strutting (12), the arrangement mode of described two groups of above screw sections (11) and the section of strutting (12) comprise be arranged side by side, be staggered, the angle arrangement.
18. adjustable type Invasive lumbar fusion device according to claim 1, it is characterized in that, first microcellular structure (127) of described fusant (1) and vertebral body contact surface (121) and/or the metal surface of the second microcellular structure (128) are coated with hydroxyapatite coating layer.
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| CN2012201214536U CN203001182U (en) | 2012-03-28 | 2012-03-28 | Adjustable interbody fusion cage |
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| CN2012201214536U CN203001182U (en) | 2012-03-28 | 2012-03-28 | Adjustable interbody fusion cage |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970905A (en) * | 2014-04-02 | 2015-10-14 | 宝楠生技股份有限公司 | Fixer with stereo grids for vertebra facet joint fusion |
| CN105287061A (en) * | 2015-12-01 | 2016-02-03 | 四川大学华西医院 | Interface type interbody fusion cage |
| 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 |
| CN110522537A (en) * | 2019-09-06 | 2019-12-03 | 昆明医科大学第一附属医院 | A kind of fixed fusing device of backbone intervertebral |
| EP3636224A1 (en) * | 2015-01-14 | 2020-04-15 | Stryker European Holdings I, LLC | Spinal implant with porous and solid surfaces |
| US10973656B2 (en) | 2009-09-18 | 2021-04-13 | Spinal Surgical Strategies, Inc. | Bone graft delivery system and method for using same |
| CN112674915A (en) * | 2020-12-17 | 2021-04-20 | 湖南华翔增量制造股份有限公司 | Expandable interbody fusion cage |
| US11623027B2 (en) | 2015-05-18 | 2023-04-11 | Stryker European Operations Holdings Llc | Partially resorbable implants and methods |
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2012
- 2012-03-28 CN CN2012201214536U patent/CN203001182U/en not_active Expired - Lifetime
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|---|---|---|---|---|
| US11660208B2 (en) | 2009-09-18 | 2023-05-30 | Spinal Surgical Strategies, Inc. | 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 |
| US10245159B1 (en) | 2009-09-18 | 2019-04-02 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10195053B2 (en) | 2009-09-18 | 2019-02-05 | Spinal Surgical Strategies, Llc | Bone graft delivery system and method for using same |
| US10219915B1 (en) | 2013-05-22 | 2019-03-05 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US9788971B1 (en) | 2013-05-22 | 2017-10-17 | Nuvasive, Inc. | Expandable fusion implant and related methods |
| US10492924B2 (en) | 2013-08-09 | 2019-12-03 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US9801734B1 (en) | 2013-08-09 | 2017-10-31 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| US11696836B2 (en) | 2013-08-09 | 2023-07-11 | Nuvasive, Inc. | Lordotic expandable interbody implant |
| CN104970905A (en) * | 2014-04-02 | 2015-10-14 | 宝楠生技股份有限公司 | Fixer with stereo grids for vertebra facet joint fusion |
| EP3636224A1 (en) * | 2015-01-14 | 2020-04-15 | Stryker European Holdings I, LLC | Spinal implant with porous and solid surfaces |
| US11623027B2 (en) | 2015-05-18 | 2023-04-11 | Stryker European Operations Holdings Llc | Partially resorbable implants and methods |
| CN105287061B (en) * | 2015-12-01 | 2017-08-25 | 四川大学华西医院 | A kind of interfacial type Invasive lumbar fusion device |
| CN105287061A (en) * | 2015-12-01 | 2016-02-03 | 四川大学华西医院 | Interface type interbody fusion cage |
| CN110522537A (en) * | 2019-09-06 | 2019-12-03 | 昆明医科大学第一附属医院 | A kind of fixed fusing device of backbone intervertebral |
| CN112674915A (en) * | 2020-12-17 | 2021-04-20 | 湖南华翔增量制造股份有限公司 | Expandable interbody fusion cage |
| CN112674915B (en) * | 2020-12-17 | 2022-09-23 | 湖南华翔医疗科技有限公司 | Expandable interbody fusion cage |
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