US6264656B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threaded spinal implant
Assignee: Warsaw Orthopedic Inc
•
Filing: 1998-05-08
•
Granted: 2001-07-24
•
Expires: 2018-05-08
Abstract
Abstract An artificial spinal implant is disclosed which when place between two adjacent vertebrae directly participates and is incorporated in the insuing fusion. Instrumentation and procedure is also disclosed.
Inventors
- 👤 Gary Karlin Michelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4603; A61F2/4611; A61B; A61B17/00; A61B17/16; A61B17/1662; A61B17/1671; A61B17/17; A61B17/1739; A61B17/1757; A61F2/44; A61F2/4455; A61F2/446; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; A61B17/8886; A61B17/8888; A61B17/02; A61B17/025; A61B2017/0256; A61B90/00; A61B90/03; A61B2090/033; A61B2090/036; A61F2/30721; A61F2/30744; A61F2/442; A61F2/28; A61F2002/2835; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30138; A61F2002/30143; A61F2002/30199; A61F2002/30224; A61F2002/30235; A61F2002/30316; A61F2002/30329; A61F2002/30405; A61F2002/30535; A61F2002/30593; A61F2/30767; A61F2/30771; A61F2002/30772; A61F2002/30774; A61F2002/30784; A61F2002/30785; A61F2002/30787; A61F2002/3085; A61F2002/448; A61F2002/4619; A61F2002/4625; A61F2002/4627; A61F2002/4629; A61F2002/4681; A61F2220/00; A61F2220/0025; A61F2230/00; A61F2230/0002; A61F2230/0017; A61F2230/0063; A61F2230/0069
Claims Analysis
Total Claims: 172
Claim 1
Independent Claim
135 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening in communication with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a protrusion extending from each of said opposed arcuate portions for engaging each of the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of an implantation material other than bone.
Claim 2
Dependent Claim
135 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening in communication with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a protrusion extending from each of said opposed arcuate portions for engaging each of the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of an implantation material other than bone.
Claim 3
Dependent Claim
14 words
The spinal fusion implant of claim 1 , wherein said protrusion comprises a thread.
Claim 4
Dependent Claim
14 words
The spinal fusion implant of claim 1 , wherein said protrusion comprises a ridge.
Claim 5
Dependent Claim
45 words
The spinal fusion implant of claim 1 , wherein each of said opposed arcuate portions comprises an interior surface, said interior surfaces being spaced apart to define a hollow interior in communication with said at least one opening of each of said opposed arcuate portions.
Claim 6
Dependent Claim
40 words
The spinal fusion implant of claim 4 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 7
Dependent Claim
31 words
The spinal fusion implant of claim 5 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 8
Dependent Claim
35 words
The spinal fusion implant of claim 6 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 9
Dependent Claim
19 words
The spinal fusion implant of claim 1 , further comprising a plurality of cells for retaining fusion promoting substance.
Claim 10
Dependent Claim
17 words
The spinal fusion implant of claim 1 , wherein said opposed arcuate portions have a porous surface.
Claim 11
Dependent Claim
14 words
The spinal fusion implant of claim 1 , wherein said implantation material is porous.
Claim 12
Dependent Claim
24 words
The spinal fusion implant of claim 1 , wherein said implantation material comprises an ASTM material suitable for use as a spinal fusion implant.
Claim 13
Dependent Claim
14 words
The spinal fusion implant of claim 1 , wherein said implantation material comprises titanium.
Claim 14
Dependent Claim
20 words
The spinal fusion implant of claim 1 , wherein said implantation material comprises a fusion promoting substance other than bone.
Claim 15
Dependent Claim
17 words
The spinal fusion implant of claim 1 , wherein said implantation material comprises a bone ingrowth material.
Claim 16
Dependent Claim
34 words
The spinal fusion implant of claim 1 , wherein said implantation material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies to the other of the adjacent vertebral bodies.
Claim 17
Dependent Claim
18 words
The spinal fusion implant of claim 1 , wherein said implant is treated with a fusion promoting substance.
Claim 18
Dependent Claim
18 words
The spinal fusion implant of claim 1 , wherein said opposed arcuate portions have a bone ingrowth surface.
Claim 19
Dependent Claim
16 words
The spinal fusion implant of claim 1 , wherein said implantation material is stronger than bone.
Claim 20
Dependent Claim
15 words
The spinal fusion implant of claim 1 , in combination with a source of osteogenesis.
Claim 21
Dependent Claim
16 words
The spinal fusion implant of claim 1 , in combination with a bone growth promoting substance.
Claim 22
Dependent Claim
12 words
The spinal fusion implant of claim 20 , in combination with bone.
Claim 23
Dependent Claim
17 words
The spinal fusion implant of claim 21 , wherein said bone is compressively loaded in said implant.
Claim 24
Dependent Claim
16 words
The spinal fusion implant of claim 20 , in combination with a material other than bone.
Claim 25
Dependent Claim
13 words
The spinal fusion implant of claim 20 , in combination with a hydroxyapatite.
Claim 26
Dependent Claim
59 words
The spinal fusion implant of claim 1 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 27
Dependent Claim
34 words
The spinal fusion implant of claim 25 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 28
Dependent Claim
43 words
The spinal fusion implant of claim 1 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, said trailing end being adapted to cooperatively engage and insertion device for inserting said implant into the spine.
Claim 29
Dependent Claim
35 words
The spinal fusion implant of claim 27 , in combination with an insertion device for inserting said implant into the spine, said insertion device being adapted to cooperatively engage said trailing end of said implant.
Claim 30
Dependent Claim
101 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising a material other than bone for use in combination with a fusion promoting substance other than bone, said implant having opposed portions adapted for placement toward the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than normal height of the disc space to be fused, and said opposed portions having at least one passage passing therethrough for permitting the growth of bone from vertebral body to adjacent vertebral body through said passage.
Claim 31
Dependent Claim
101 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising a material other than bone for use in combination with a fusion promoting substance other than bone, said implant having opposed portions adapted for placement toward the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than normal height of the disc space to be fused, and said opposed portions having at least one passage passing therethrough for permitting the growth of bone from vertebral body to adjacent vertebral body through said passage.
Claim 32
Dependent Claim
35 words
The spinal fusion implant of claim 29 , further comprising a protrusion extending from each of said opposed portions for engaging each of the adjacent vertebral bodies to maintain said implant within the disc space.
Claim 33
Dependent Claim
14 words
The spinal fusion implant of claim 30 , wherein said protrusion comprises a thread.
Claim 34
Dependent Claim
14 words
The spinal fusion implant of claim 30 , wherein said protrusion comprises a ridge.
Claim 35
Dependent Claim
14 words
The spinal fusion implant of claim 20 , wherein said opposed portions are arcuate.
Claim 36
Dependent Claim
44 words
The spinal fusion implant of claim 29 , wherein each of said opposed portions comprise an interior surface, said interior surfaces being spaced apart to define a hollow interior in communication with said at least one opening of each of said opposed arcuate portions.
Claim 37
Dependent Claim
40 words
The spinal fusion implant of claim 34 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 38
Dependent Claim
30 words
The spinal fusion of claim 35 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 39
Dependent Claim
35 words
The spinal fusion implant of claim 36 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 40
Dependent Claim
20 words
The spinal fusion implant of claim 29 , further comprising a plurality of cells for retaining a fusion promoting substance.
Claim 41
Dependent Claim
16 words
The spinal fusion implant of claim 29 , wherein said opposed portions have a porous surface.
Claim 42
Dependent Claim
13 words
The spinal fusion of claim 29 , wherein said implant material is porous.
Claim 43
Dependent Claim
17 words
The spinal fusion implant of claim 29 , wherein said opposed portions have a bone ingrowth surface.
Claim 44
Dependent Claim
34 words
The spinal fusion implant of claim 29 , wherein said implant material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies to the other of the adjacent vertebral bodies.
Claim 45
Dependent Claim
16 words
The spinal fusion implant of claim 29 , wherein said implant material is stronger than bone.
Claim 46
Dependent Claim
15 words
The spinal fusion implant of claim 29 , in combination with a source of osteogenesis.
Claim 47
Dependent Claim
16 words
The spinal fusion implant of claim 29 , in combination with a bone growth promoting substance.
Claim 48
Dependent Claim
12 words
The spinal fusion implant of claim 45 , in combination with bone.
Claim 49
Dependent Claim
17 words
The spinal fusion implant of claim 46 , wherein said bone is compressively loaded in said implant.
Claim 50
Dependent Claim
16 words
The spinal fusion implant of claim 45 , in combination with a material other than bone.
Claim 51
Dependent Claim
13 words
The spinal fusion implant of claim 45 , in combination with a hydroxyapatite.
Claim 52
Dependent Claim
59 words
The spinal fusion implant of claim 29 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 53
Dependent Claim
34 words
The spinal fusion implant of claim 50 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 54
Dependent Claim
43 words
The spinal fusion implant of claim 29 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, said trailing end being adapted to cooperatively engage an insertion device for inserting said implant into the spine.
Claim 55
Dependent Claim
35 words
The spinal fusion implant of claim 52 , in combination with an insertion device for inserting said plant into the spine, said insertion device being adapted to cooperatively engage said trailing end of said implant.
Claim 56
Dependent Claim
126 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed portions adapted for placement toward the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, said opposed portions having a plurality of openings passing therethrough for permitting the growth of bone through said implant from vertebral body to adjacent vertebral body; a protrusion extending from each of said opposed portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space and between the adjacent vertebral bodies; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 57
Dependent Claim
126 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed portions adapted for placement toward the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, said opposed portions having a plurality of openings passing therethrough for permitting the growth of bone through said implant from vertebral body to adjacent vertebral body; a protrusion extending from each of said opposed portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space and between the adjacent vertebral bodies; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 58
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said protrusion comprises a thread.
Claim 59
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said protrusion comprises a ridge.
Claim 60
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said opposed portions are arcuate.
Claim 61
Dependent Claim
15 words
The spinal fusion implant of claim 54 , further comprising extensive channeling throughout said implant.
Claim 62
Dependent Claim
40 words
The spinal fusion implant of claim 54 , wherein each of said opposed portions comprises an interior surface, said interior surface being spaced apart to define a hollow interior in communication with said plurality of openings of said opposed portions.
Claim 63
Dependent Claim
40 words
The spinal fusion implant of claim 59 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 64
Dependent Claim
31 words
The spinal fusion implant of claim 60 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 65
Dependent Claim
35 words
The spinal fusion implant of claim 61 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 66
Dependent Claim
20 words
The spinal fusion implant of claim 54 , further comprising a plurality of cells for retaining a fusion promoting substance.
Claim 67
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said opposed portions are porous.
Claim 68
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said implantation material is porous.
Claim 69
Dependent Claim
24 words
The spinal fusion implant of claim 54 , wherein said implantation material comprises an ASTM material suitable for use as a spinal fusion implant.
Claim 70
Dependent Claim
14 words
The spinal fusion implant of claim 54 , wherein said implantation material comprises titanium.
Claim 71
Dependent Claim
17 words
The spinal fusion implant of claim 54 , wherein said implantation material comprises a fusion promoting substance.
Claim 72
Dependent Claim
17 words
The spinal fusion implant of claim 54 , wherein said implantation material comprises a bone ingrowth material.
Claim 73
Dependent Claim
25 words
The spinal fusion implant of claim 54 , wherein said material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies.
Claim 74
Dependent Claim
18 words
The spinal fusion implant of claim 54 , wherein said implant is treated with a fusion promoting substance.
Claim 75
Dependent Claim
16 words
The spinal fusion implant of claim 54 , wherein said implantation material is stronger than bone.
Claim 76
Dependent Claim
15 words
The spinal fusion implant of claim 54 , in combination with a source of osteogenesis.
Claim 77
Dependent Claim
16 words
The spinal fusion implant of claim 54 , in combination with a bone growth promoting substance.
Claim 78
Dependent Claim
12 words
The spinal fusion implant of claim 74 , in combination with bone.
Claim 79
Dependent Claim
17 words
The spinal fusion implant of claim 75 , wherein said bone is compressively loaded in said implant.
Claim 80
Dependent Claim
16 words
The spinal fusion implant of claim 74 , in combination with a material other than bone.
Claim 81
Dependent Claim
13 words
The spinal fusion implant of claim 74 , in combination with a hydroxyapatite.
Claim 82
Dependent Claim
59 words
The spinal fusion implant of claim 54 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 83
Dependent Claim
34 words
The spinal fusion implant of claim 79 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 84
Dependent Claim
43 words
The spinal fusion implant of claim 54 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, said trailing end being adapted to cooperatively engage an inerstion device for inserting said implant into the spine.
Claim 85
Dependent Claim
34 words
The spinal fusion implant of claim 81 , wherein said implant has a leading end for inerstion into the spine, said insertion device being adapted to cooperatively engage said trailing end of said implant.
Claim 86
Dependent Claim
137 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening communicating with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a thread portion formed on the exterior of each of said opposed arcuate portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 87
Dependent Claim
137 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening communicating with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a thread portion formed on the exterior of each of said opposed arcuate portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 88
Dependent Claim
16 words
The spinal fusion implant of claim 83 , wherein said thread portion is an interrupted thread.
Claim 89
Dependent Claim
22 words
The spinal fusion implant of claim 83 , wherein said thread portion on each of said arcuate portions form a single helix.
Claim 90
Dependent Claim
45 words
The spinal fusion implant of claim 83 , wherein each of said opposed arcuate portions comprises an interior surface, said interior surfaces being spaced apart to define a hollow interior in communication with said at least one opening of each of said opposed arcuate portions.
Claim 91
Dependent Claim
19 words
The spinal fusion implant of claim 83 , in combination with a fusion promoting substance within said hollow interior.
Claim 92
Dependent Claim
39 words
The spinal fusion implant of claim 86 , said implant having a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 93
Dependent Claim
31 words
The spinal fusion implant of claim 88 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 94
Dependent Claim
35 words
The spinal fusion implant of claim 89 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 95
Dependent Claim
19 words
The spinal fusion implant of claim 83 , further comprising a plurality of cells for retaining fusion promoting substance.
Claim 96
Dependent Claim
17 words
The spinal fusion implant of claim 83 , wherein said opposed arcuate portions have a porous surface.
Claim 97
Dependent Claim
14 words
The spinal fusion implant of claim 83 , wherein said implantation material is porous.
Claim 98
Dependent Claim
24 words
The spinal fusion implant of claim 83 , wherein said implantation material comprises an ASTM material suitable for use as a spinal fusion implant.
Claim 99
Dependent Claim
14 words
The spinal fusion implant of claim 83 , wherein said implantation material comprises titanium.
Claim 100
Dependent Claim
20 words
The spinal fusion implant of claim 83 , wherein said implantation material comprises a fusion promoting substance other than bone.
Claim 101
Dependent Claim
17 words
The spinal fusion implant of claim 83 , wherein said implantation material comprises a bone ingrowth material.
Claim 102
Dependent Claim
34 words
The spinal fusion implant of claim 83 , wherein said implantation material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies to the other of the adjacent vertebral bodies.
Claim 103
Dependent Claim
18 words
The spinal fusion implant of claim 83 , wherein said implant is treated with a fusion promoting substance.
Claim 104
Dependent Claim
18 words
The spinal fusion implant of claim 83 , wherein said opposed arcuate portions have a bone ingrowth surface.
Claim 105
Dependent Claim
16 words
The spinal fusion implant of claim 83 , wherein said implantation material is stronger than bone.
Claim 106
Dependent Claim
15 words
The spinal fusion implant of claim 83 , in combination with a source of osteogenesis.
Claim 107
Dependent Claim
16 words
The spinal fusion implant of claim 83 , in combination with a bone growth promoting substance.
Claim 108
Dependent Claim
12 words
The spinal fusion implant of claim 103 , in combination with bone.
Claim 109
Dependent Claim
17 words
The spinal fusion implant of claim 104 , wherein said bone is compressively loaded in said implant.
Claim 110
Dependent Claim
16 words
The spinal fusion implant of claim 103 , in combination with a material other than bone.
Claim 111
Dependent Claim
12 words
The spinal fusion implant of claim 103 , in combination with hydroxyapatite.
Claim 112
Dependent Claim
59 words
The spinal fusion implant of claim 83 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 113
Dependent Claim
34 words
The spinal fusion implant of claim 108 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 114
Dependent Claim
43 words
The spinal fusion implant of claim 82 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, said trailing end being adapted to cooperatively engage an insertion device for inserting said implant into the spine.
Claim 115
Dependent Claim
35 words
The spinal fusion implant of claim 110 , in combination with an insertion device for inserting said implant into the spine, said insertion device being adapted to cooperatively engage said trailing end of said iomplant.
Claim 116
Dependent Claim
135 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed portions adapted for placement toward and the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the restored disc space to be fused, said opposed portions each having at least one opening passing therethrough for permitting the growth of bone through said implant from vertebral body to adjacent vertebral body; a thread made of a surgically implantable metal extending from each of said opposed portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space and between the adjacent vertebral bodies; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 117
Dependent Claim
135 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed portions adapted for placement toward and the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the restored disc space to be fused, said opposed portions each having at least one opening passing therethrough for permitting the growth of bone through said implant from vertebral body to adjacent vertebral body; a thread made of a surgically implantable metal extending from each of said opposed portions for engaging the adjacent vertebral bodies to maintain said implant within the disc space and between the adjacent vertebral bodies; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 118
Dependent Claim
43 words
The spinal fusion implant of claim 112 , wherein each of said opposed portions comprises an interior surface, said interior surfaces being spaced apart to define a hollow interior in communication with said at least one opening of each of said opposed portions.
Claim 119
Dependent Claim
19 words
The spinal fusion implant of claim 113 , in combination with a fusion promoting substance within said hollow interior.
Claim 120
Dependent Claim
39 words
The spinal fusion implant of claim 113 , said implant having a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 121
Dependent Claim
31 words
The spinal fusion implant of claim 115 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 122
Dependent Claim
35 words
The spinal fusion implant of claim 116 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 123
Dependent Claim
19 words
The spinal fusion implant of claim 112 , further comprising a plurality of cells for retaining fusion promoting substance.
Claim 124
Dependent Claim
16 words
The spinal fusion implant of claim 112 , wherein said opposed portions have a porous surface.
Claim 125
Dependent Claim
14 words
The spinal fusion implant of claim 112 , wherein said implantation material is porous.
Claim 126
Dependent Claim
24 words
The spinal fusion implant of claim 112 , wherein said implantation material comprises an ASTM material suitable for use as a spinal fusion implant.
Claim 127
Dependent Claim
14 words
The spinal fusion implant of claim 112 , wherein said implantation material comprises titanium.
Claim 128
Dependent Claim
20 words
The spinal fusion implant of claim 112 , wherein said implantation material comprises a fusion promoting substance other than bone.
Claim 129
Dependent Claim
17 words
The spinal fusion implant of claim 112 , wherein said implantation material comprises a bone ingrowth material.
Claim 130
Dependent Claim
34 words
The spinal fusion implant of claim 112 , wherein said implantation material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies to the other of the adjacent vertebral bodies.
Claim 131
Dependent Claim
18 words
The spinal fusion implant of claim 112 , wherein said implant is treated with a fusion promoting substance.
Claim 132
Dependent Claim
17 words
The spinal fusion implant of claim 112 , wherein said opposed portions have a bone ingrowth surface.
Claim 133
Dependent Claim
16 words
The spinal fusion implant of claim 112 , wherein said implantation material is stronger than bone.
Claim 134
Dependent Claim
15 words
The spinal fusion implant of claim 112 , in combination with a source of osteogenesis.
Claim 135
Dependent Claim
16 words
The spinal fusion implant of claim 112 , in combination with a bone growth promoting substance.
Claim 136
Dependent Claim
12 words
The spinal fusion implant of claim 116 , in combination with bone.
Claim 137
Dependent Claim
17 words
The spinal fusion implant of claim 117 , wherein said bone is compressively loaded in said implant.
Claim 138
Dependent Claim
16 words
The spinal fusion implant of claim 130 , in combination with a material other than bone.
Claim 139
Dependent Claim
12 words
The spinal fusion implant of claim 130 , in combination with hydroxyapatite.
Claim 140
Dependent Claim
59 words
The spinal fusion implant of claim 112 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 141
Dependent Claim
34 words
The spinal fusion implant of claim 135 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 142
Dependent Claim
43 words
The spinal fusion implant of claim 112 , wherein said implant has a leading end for insertion into the spine and an opposite trailing end, said trailing end being adapted to cooperatively engage an insertion device for inserting said implant into the spine.
Claim 143
Dependent Claim
35 words
The spinal fusion implant of claim 137 , in combination with a insertion device for inserting said implant into said spine, said insertion device being adapted to cooperatively engage said trailing end of said implant.
Claim 144
Dependent Claim
140 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening communicating with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a series of surface projections formed on the exterior of each of said opposed arcuate portions for penetrably engaging the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 145
Dependent Claim
140 words
An artificial interbody spinal fusion implant for insertion across a disc space between two adjacent vertebral bodies of a human spine, said implant comprising: opposed arcuate portions adapted for placement toward and at least in part within the adjacent vertebral bodies and having a distance therebetween defining an implant height greater than the normal height of the disc space to be fused, each of said opposed arcuate portions having at least one opening communicating with one another for permitting the growth of bone from vertebral body to adjacent vertebral body through said implant; a series of surface projections formed on the exterior of each of said opposed arcuate portions for penetrably engaging the adjacent vertebral bodies to maintain said implant within the disc space; and said implant comprising at least in part of a suitable implantation material other than bone.
Claim 146
Dependent Claim
19 words
The spinal fusion implant of claim 139 , wherein each of said series of surface projections comprises a ridge.
Claim 147
Dependent Claim
45 words
The spinal fusion implant of claim 139 , wherein each of said opposed arcuate portions comprises an interior surface, said interior surfaces being spaced apart to define a hollow interior in communication with said at least one opening of each of said opposed arcuate portions.
Claim 148
Dependent Claim
19 words
The spinal fusion implant of claim 141 , in combination with a fusion promoting substances within said hollow interior.
Claim 149
Dependent Claim
39 words
The spinal fusion implant of claim 141 , said implant having a leading end for insertion into the spine and an opposite trailing end, at least one of said ends being open to allow access to said hollow interior.
Claim 150
Dependent Claim
31 words
The spinal fusion implant of claim 143 , wherein said at least one end providing access to said hollow interior of said implant is adapted to be closed by a cap.
Claim 151
Dependent Claim
35 words
The spinal fusion implant of claim 144 , wherein said implant having said at least one end providing access to said hollow interior is in combination with a cap adapted to close said hollow interior.
Claim 152
Dependent Claim
19 words
The spinal fusion implant of claim 139 , further comprising a plurality of cells for retaining fusion promoting substance.
Claim 153
Dependent Claim
17 words
The spinal fusion implant of claim 139 , wherein said opposed arcuate portions have a porous surface.
Claim 154
Dependent Claim
14 words
The spinal fusion implant of claim 139 , wherein said implantation material is porous.
Claim 155
Dependent Claim
24 words
The spinal fusion implant of claim 139 , wherein said implantation material comprises an ASTM material suitable for use as a spinal fusion implant.
Claim 156
Dependent Claim
14 words
The spinal fusion implant of claim 139 , wherein said implantation material comprises titanium.
Claim 157
Dependent Claim
20 words
The spinal fusion implant of claim 139 , wherein said implantation material comprises a fusion promoting substance other than bone.
Claim 158
Dependent Claim
16 words
The spinal fusion implant of claim 139 , wherein said implantation material comprises bone ingrowth material.
Claim 159
Dependent Claim
34 words
The spinal fusion implant of claim 139 , wherein said implantation material intrinsically participates in the growth of bone from one of the adjacent vertebral bodies to the other of the adjacent vertebral bodies.
Claim 160
Dependent Claim
18 words
The spinal fusion implant of claim 139 , wherein said implant is treated with a fusion promoting substance.
Claim 161
Dependent Claim
18 words
The spinal fusion implant of claim 139 , wherein said opposed arcuate portions have a bone ingrowth surface.
Claim 162
Dependent Claim
16 words
The spinal fusion implant of claim 139 , wherein said implant material is stronger than bone.
Claim 163
Dependent Claim
15 words
The spinal fusion implant of claim 139 , in combination with a source of osteogenesis.
Claim 164
Dependent Claim
16 words
The spinal fusion implant of claim 139 , in combination with a bone growth promoting substance.
Claim 165
Dependent Claim
12 words
The spinal fusion implant of claim 158 , in combination with bone.
Claim 166
Dependent Claim
17 words
The spinal fusion implant of claim 139 , wherein said bone is compressively loaded in said implant.
Claim 167
Dependent Claim
16 words
The spinal fusion implant of claim 158 , in combination with a material other than bone.
Claim 168
Dependent Claim
12 words
The spinal fusion implant of claim 158 , in combination with hydroxyapatite.
Claim 169
Dependent Claim
59 words
The spinal fusion implant of claim 139 , in combination with a guard and a bone removal device, said guard for providing protected access to prepare across the spinal disc and into the adjacent vertebral bodies the implantation space, said guard having a passage through which said bone removal device passes to form the implantation space through said guard.
Claim 170
Dependent Claim
34 words
The spinal fusion implant of claim 163 , wherein said implant is configured to have a height greater than the height of the implantation space and to pass through said passage of said guard.
Claim 171
Dependent Claim
43 words
The spinal fusion implant of claim 139 , wherein said implant has a leading end for insertion into the spine and an oppoiste trailing end, said trailing end being adapted to cooperatively engage an insertion device for inserting siad implant into the spine.
Claim 172
Dependent Claim
35 words
The spinal fusion implant of claim 165 , in combination with an insertion device for inserting said implant into the spine, said insertion device being adapted to cooperatively engge said trailing end of said implant.
References Cited (Backward Citations)
US350420A
Cited
US1137585A
Cited
US2065659A
Cited
US2243718A
Cited
US2181746A
Cited
US2372622A
Cited
US2543780A
Cited
US2537070A
Cited
US2514665A
Cited
US2677369A
Cited
US2774350A
Cited
US2789558A
Cited
US2832343A
Cited
US2842131A
Cited
US2878809A
Cited
US3128768A
Cited
ES283078A1
Cited
DE1961531U
Cited
US3298372A
Cited
US3426364A
Cited
US3486505A
Cited
US3618611A
Cited
US3604487A
Cited
US3948262A
Cited
US3605123A
Cited
US3855638A
Cited
US3720959A
Cited
US3709219A
Cited
US3750652A
Cited
US3867950A
Cited
US3867728A
Cited
US3848601A
Cited
US3888260A
Cited
US3918440A
Cited
US3915151A
Cited
US4070514A
Cited
US3905047A
Cited
US3987499A
Cited
US3892232A
Cited
US3942535A
Cited
DE2446039A1
Cited
US4051905A
Cited
US3875595A
Cited
US3916907A
Cited
US4016651A
Cited
US3952334A
Cited
FR2295729B1
Cited
US4086701A
Cited
USD257511S
Cited
US4168326A
Cited
USD245259S
Cited
US4237948A
Cited
US4027392A
Cited
US4177524A
Cited
US4124026A
Cited
US4082097A
Cited
US4059115A
Cited
US4142517A
Cited
US4206516A
Cited
US4232679B1
Cited
US4232679A
Cited
US4175555A
Cited
US4259072A
Cited
US4222128A
Cited
US4258716A
Cited
US4181457A
Cited
US4262369A
Cited
USRE31865E
Cited
US4271832A
Cited
US4423721A
Cited
US4197850A
Cited
USD260525S
Cited
US4341206A
Cited
US4356572A
Cited
US4333469A
Cited
US4492226A
Cited
US4450834A
Cited
US4328593A
Cited
US4293962A
Cited
SU1124960A1
Cited
US4289123A
Cited
US4405319A
Cited
US4484570A
Cited
GB2076657A
Cited
US4349921A
Cited
GB2082754B
Cited
US4401112A
Cited
US4309777A
Cited
US4414979A
Cited
US4507115A
Cited
EP0077159A1
Cited
US4530360A
Cited
US4501269A
Cited
US4439152A
Cited
US4535485A
Cited
US4542539A
Cited
US4547390A
Cited
US4549547A
Cited
GB2126094A
Cited
US4545374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-07-23 | 2005-01-22 | 2005-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-07-23 | 2009-01-22 | 2009-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-07-23 | 2013-01-22 | 2013-07-24 | $7700.00 | Window Closed / Lapsed |