US6896680B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arcuate dynamic lordotic guard with movable extensions for creating an implantation space posteriorly in the lumbar spine
Assignee: Warsaw Orthopedic Inc
•
Filing: 2002-03-01
•
Granted: 2005-05-24
•
Expires: 2022-03-01
Abstract
Abstract A lordotic guard and method for guiding a bone removal device to form an implantation space in the human spine and, if desired, for inserting a spinal implant into the implantation space.
Inventors
- 👤 Gary K. Michelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:43
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/025; A61B17/16; A61B17/17; A61B17/1739; A61B17/1757; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4603; A61F2/4611; A61B17/1662; A61B17/1671; A61B17/00234; A61B2017/00238; A61B2017/00261; A61B2017/0256; A61F2/44; A61F2/4455; A61F2/446; A61F2/30767; A61F2/30771; A61F2002/3085; A61F2002/4622; A61F2002/4625; A61F2002/4627; A61F2002/4628; Y; Y10; Y10S; Y10S606/00; Y10S606/914
Claims Analysis
Total Claims: 123
Claim 1
Independent Claim
313 words
A guard for use in human spinal surgery across a disc space between two adjacent vertebral bodies, comprising: a body having a leading end and an opposite trailing end, said body having a first portion and a second portion in pivotal relationship to one another proximate said leading end between an open position and a closed position, said first and second portions having at least in part opposed interior arcuate portions, respectively, said first and second portions defining an opening for providing a protected pathway to the disc space and the adjacent vertebral bodies, said opposed interior arcuate portions being adapted to guide therethrough a drill sized to form an implantation space across the disc space and at least in part into the adjacent vertebral bodies; and at least one disc space penetrating extension extending from said leading end of said body adapted for insertion at least in part into the disc space, said extension having a first portion extending from said first portion of said body, said first portion of said extension having a contact surface adapted to bear against one of the adjacent endplates of the adjacent vertebral bodies, said extension having a second portion extending from said second portion of said body, said second portion of said extension having a contact surface adapted to bear against the other of the adjacent endplates of the adjacent vertebral bodies, said contact surfaces of said first and second portions being in pivotal relationship to one another from an insertion position to a deployed position to move the adjacent vertebral bodies apart upon movement of said first and second portions of said body from the open position to the closed position, said contact surfaces of said first and second portions being pivotal about an axis that passes through at least a portion of the pathway to the disc space and the adjacent vertebral bodies.
Claim 2
Dependent Claim
313 words
A guard for use in human spinal surgery across a disc space between two adjacent vertebral bodies, comprising: a body having a leading end and an opposite trailing end, said body having a first portion and a second portion in pivotal relationship to one another proximate said leading end between an open position and a closed position, said first and second portions having at least in part opposed interior arcuate portions, respectively, said first and second portions defining an opening for providing a protected pathway to the disc space and the adjacent vertebral bodies, said opposed interior arcuate portions being adapted to guide therethrough a drill sized to form an implantation space across the disc space and at least in part into the adjacent vertebral bodies; and at least one disc space penetrating extension extending from said leading end of said body adapted for insertion at least in part into the disc space, said extension having a first portion extending from said first portion of said body, said first portion of said extension having a contact surface adapted to bear against one of the adjacent endplates of the adjacent vertebral bodies, said extension having a second portion extending from said second portion of said body, said second portion of said extension having a contact surface adapted to bear against the other of the adjacent endplates of the adjacent vertebral bodies, said contact surfaces of said first and second portions being in pivotal relationship to one another from an insertion position to a deployed position to move the adjacent vertebral bodies apart upon movement of said first and second portions of said body from the open position to the closed position, said contact surfaces of said first and second portions being pivotal about an axis that passes through at least a portion of the pathway to the disc space and the adjacent vertebral bodies.
Claim 3
Dependent Claim
22 words
The guard of claim 1 , wherein the axis about which said contact surfaces pivot intersects the mid-longitudinal axis of said guard.
Claim 4
Dependent Claim
33 words
The guard of claim 1 , wherein the axis about which said contact surfaces pivot is substantially perpendicular to the saggital axis of the spine when said guard is engaged to the spine.
Claim 5
Dependent Claim
35 words
The guard of claim 1 , wherein said extension has a height between said contact surfaces, said contact surfaces of said first and second portions being opposite one another along the height of said extension.
Claim 6
Dependent Claim
34 words
The guard of claim 1 , wherein said opposed interior arcuate portions of said first and second portions of said body are parallel to one another when said body is in the closed position.
Claim 7
Dependent Claim
34 words
The guard of claim 1 , wherein said opposed interior arcuate portions of said first and second portions of said body are angled to one another when said body is in the open position.
Claim 8
Dependent Claim
30 words
The guard of claim 1 , wherein said opening defined by said first and second portions of said body is generally circular when said body is in the closed position.
Claim 9
Dependent Claim
22 words
The guard of claim 1 , wherein said opening defined by said first and second portions of said body is generally oval.
Claim 10
Dependent Claim
22 words
The guard of claim 1 , wherein said opening defined by said first and second portions of said body is generally elliptical.
Claim 11
Dependent Claim
38 words
The guard of claim 1 , wherein said body has an exterior surface that has opposed upper and lower surfaces oriented toward the adjacent vertebral bodies, respectively, said upper and lower surfaces being at least in part arcuate.
Claim 12
Dependent Claim
34 words
The guard of claim 10 , wherein at least a portion of said upper and lower surfaces of said exterior surface are parallel to one another when said body is in the closed position.
Claim 13
Dependent Claim
34 words
The guard of claim 10 , wherein at least a portion of said upper and lower surfaces of said exterior surface are angled to one another when said body is in the open position.
Claim 14
Dependent Claim
26 words
The guard of claim 10 , wherein said exterior surface of said body has opposed side surfaces, said side surfaces being at least in part arcuate.
Claim 15
Dependent Claim
19 words
The guard of claim 13 , wherein said side surfaces of said exterior surface are parallel to one another.
Claim 16
Dependent Claim
31 words
The guard of claim 1 , wherein said body has an exterior surface that has a generally circular cross section along at least a portion of the length of said body.
Claim 17
Dependent Claim
31 words
The guard of claim 1 , wherein said body has an exterior surface that has a generally oval cross section along at least a portion of the length of said body.
Claim 18
Dependent Claim
31 words
The guard of claim 1 , wherein said body has an exterior surface that has a generally elliptical cross section along at least a portion of the length of said body.
Claim 19
Dependent Claim
26 words
The guard of claim 1 , wherein said body has a generally circular cross section along at least a portion of the length of the guard.
Claim 20
Dependent Claim
26 words
The guard of claim 1 , wherein said body has a generally oval cross section along at least a portion of the length of the guard.
Claim 21
Dependent Claim
26 words
The guard of claim 1 , wherein said body has a generally elliptical cross section along at least a portion of the length of the guard.
Claim 22
Dependent Claim
28 words
The guard of claim 1 , wherein said first and second portions of said body cooperatively engage along the length of the body when in the closed position.
Claim 23
Dependent Claim
23 words
The guard of claim 1 , wherein said first and second portions of said body when in the closed position form a tube.
Claim 24
Dependent Claim
30 words
The guard of claim 1 , wherein said leading end of said body is adapted to conform at least in part to the exterior surface of the adjacent vertebral bodies.
Claim 25
Dependent Claim
48 words
The guard of claim 1 , wherein said leading end of said body is cutback to permit the curvature of the two adjacent vertebral bodies to have an intimate fit between said body and the two adjacent vertebral bodies when said contact surfaces are in the deployed position.
Claim 26
Dependent Claim
23 words
The guard of claim 1 , wherein said first and second portions of said extension touch one another when in the insertion position.
Claim 27
Dependent Claim
35 words
The guard of claim 1 , wherein said extension has a height between said contact surfaces and a length sufficient to properly align and distance apart the adjacent vertebral bodies when in the deployed position.
Claim 28
Dependent Claim
35 words
The guard of claim 26 , wherein said contact surfaces have a length greater than one half the depth of the disc space measured from the anterior to posterior aspect of the adjacent vertebral bodies.
Claim 29
Dependent Claim
28 words
The guard of claim 1 , wherein said contact surfaces are parallel to each other along a substantial portion of the length thereof when in the insertion position.
Claim 30
Dependent Claim
38 words
The guard of claim 1 , wherein said body has an external surface at its leading end and said extension has an external surface that is at least in part coextensive with said external surface of said body.
Claim 31
Dependent Claim
29 words
The guard of claim 1 , wherein said extension has a tapered leading end to facilitate placement of said extension into the disc space when in the insertion position.
Claim 32
Dependent Claim
24 words
The guard of claim 1 , further comprising at least a second disc space penetrating extension extending from said leading end of said body.
Claim 33
Dependent Claim
34 words
The guard of claim 31 , wherein said extensions are diametrically opposed to each other and spaced apart from one another to provide access to the adjacent vertebral bodies from within the disc space.
Claim 34
Dependent Claim
13 words
The guard of claim 32 , wherein said extensions have the same height.
Claim 35
Dependent Claim
23 words
The guard of claim 32 , wherein said extensions have the same height at the same distance along their length from said body.
Claim 36
Dependent Claim
24 words
The guard of claim 1 , wherein said opposed contacting surfaces diverge away from said body along at least a portion of their length.
Claim 37
Dependent Claim
34 words
The guard of claim 1 , wherein said body has at least one window adapted to permit portions of bone extending through said window to be removed by a drill passing through said body.
Claim 38
Dependent Claim
25 words
The guard of claim 1 , wherein said body has at least one window adapted to permit the surgeon to observe surgery through said window.
Claim 39
Dependent Claim
27 words
The guard of claim 1 , wherein said first and second portions of said body are hinged to one another to rotatably articulate relative to one another.
Claim 40
Dependent Claim
47 words
The guard of claim 1 , wherein said first and second portions of said body rotatably articulate relative to one another about an axis of rotation that is fixed relative to the mid-longitudinal axis of said guard when moved from the insertion position to the deployed position.
Claim 41
Dependent Claim
29 words
The guard of claim 1 , further comprising an impaction cap adapted to cooperatively engage said trailing end of said body when said body is in the open position.
Claim 42
Dependent Claim
35 words
The guard of claim 1 , further comprising a lock adapted to cooperatively engage said body of said guard when said body is in the closed position to hold said body in the closed position.
Claim 43
Dependent Claim
37 words
The guard of claim 41 , wherein said lock is a collar adapted to cooperatively engage said body of said guard when said body is in the closed position to hold said body in the closed position.
Claim 44
Dependent Claim
20 words
The guard of claim 42 , wherein said collar threadably engages said trailing end of said body of said guard.
Claim 45
Dependent Claim
18 words
The guard of claim 1 , wherein said body has a height in the range of 8-25 mm.
Claim 46
Dependent Claim
28 words
The guard of claim 1 , wherein said opening defined by said first and second portions of said body has a height in the range of 8-20 mm.
Claim 47
Dependent Claim
21 words
The guard of claim 1 , wherein said extension has a combined height when closed in the range of 6-18 mm.
Claim 48
Dependent Claim
18 words
The guard of claim 1 , wherein said extension has a length in the range of 12-32 mm.
Claim 49
Dependent Claim
25 words
The guard of claim 1 , in combination with a bone removal device for forming through said guard an implantation space across the disc space.
Claim 50
Dependent Claim
32 words
The guard of claim 48 , wherein said bone removal device is selected from the group consisting of a drill, a trephine, a reamer, an end mill, a chisel, and a burr.
Claim 51
Dependent Claim
20 words
The guard of claim 48 , wherein said bone removal device has a height in the range of 8-20 mm.
Claim 52
Dependent Claim
32 words
The guard of claim 1 , in combination with an implant driver sized in part for passage through said opening for passing an implant through said guard and into the disc space.
Claim 53
Dependent Claim
36 words
The guard of claim 51 , wherein said implant driver comprises a shaft adapted to engage the implant at one end and a handle for manipulating said implant driver at the other end of said shaft.
Claim 54
Dependent Claim
24 words
The guard of claim 1 , in combination with a spinal implant adapted to be inserted in the implantation space formed through said guard.
Claim 55
Dependent Claim
20 words
The guard of claim 53 , wherein said implant comprises at least one of bone and bone growth promoting material.
Claim 56
Dependent Claim
38 words
The guard of claim 54 , wherein said bone growth promoting material is selected from one of bone, bone derived products, demineralized bone matrix, ossifying proteins, bone morphogenetic protein, hydroxyapatite, and genes coding for the production of bone.
Claim 57
Dependent Claim
18 words
The guard of claim 53 , wherein said implant is in combination with a bone growth promoting material.
Claim 58
Dependent Claim
38 words
The guard of claim 56 , wherein said bone growth promoting material is selected from one of bone, bone derived products, demineralized bone matrix, ossifying proteins, bone morphogenetic protein, hydroxyapatite, and genes coding for the production of bone.
Claim 59
Dependent Claim
17 words
The guard of claim 53 , wherein said implant is treated with a bone growth promoting substance.
Claim 60
Dependent Claim
29 words
The guard of claim 53 , wherein said implant comprises at least one of the following materials: metal, titanium, plastic, and ceramic appropriate for implantation in the human body.
Claim 61
Dependent Claim
15 words
The guard of claim 53 , wherein said implant is at least in part resorbable.
Claim 62
Dependent Claim
15 words
The guard of claim 53 , wherein said implant is formed of a porous material.
Claim 63
Dependent Claim
17 words
The guard of claim 53 , in combination with a chemical substance adapted to inhibit scar formation.
Claim 64
Dependent Claim
12 words
The guard of claim 53 , in combination with an antimicrobial material.
Claim 65
Dependent Claim
31 words
The guard of claim 1 , in combination with an implant sized and shaped to at least in part match the space formed in the spine by a bone removal device.
Claim 66
Dependent Claim
210 words
A guard for use in human spinal surgery across a disc space between two adjacent vertebral bodies, comprising: a body having an opening for providing a protected pathway to the disc space and the adjacent vertebral bodies, said opening having at least in part opposed interior arcuate portions adapted to guide therethrough a drill sized to form an implantation space across the disc space and at least in part into the adjacent vertebral bodies; and at least one disc space penetrating extension extending from said body adapted for insertion at least in part into the disc space, said disc penetrating extension having a first portion having a contact surface adapted to bear against one of the adjacent endplates of the adjacent vertebral bodies and a second portion having a contact surface adapted to bear against the other of the adjacent endplates of the adjacent vertebral bodies, said contact surfaces of said first and second portions being rotatably articulating relative to one another between an insertion position and a deployed position to move the adjacent vertebral bodies apart, said contact surfaces of said first and second portions being pivotal about an axis that passes through at least a portion of the pathway to the disc space and the adjacent vertebral bodies.
Claim 67
Dependent Claim
210 words
A guard for use in human spinal surgery across a disc space between two adjacent vertebral bodies, comprising: a body having an opening for providing a protected pathway to the disc space and the adjacent vertebral bodies, said opening having at least in part opposed interior arcuate portions adapted to guide therethrough a drill sized to form an implantation space across the disc space and at least in part into the adjacent vertebral bodies; and at least one disc space penetrating extension extending from said body adapted for insertion at least in part into the disc space, said disc penetrating extension having a first portion having a contact surface adapted to bear against one of the adjacent endplates of the adjacent vertebral bodies and a second portion having a contact surface adapted to bear against the other of the adjacent endplates of the adjacent vertebral bodies, said contact surfaces of said first and second portions being rotatably articulating relative to one another between an insertion position and a deployed position to move the adjacent vertebral bodies apart, said contact surfaces of said first and second portions being pivotal about an axis that passes through at least a portion of the pathway to the disc space and the adjacent vertebral bodies.
Claim 68
Dependent Claim
19 words
The guard of claim 65 , wherein said opposed interior portions of said body are parallel to one another.
Claim 69
Dependent Claim
19 words
The guard of claim 65 , wherein said opposed interior portions of said body are angled to one another.
Claim 70
Dependent Claim
12 words
The guard of claim 65 , wherein said opening is generally circular.
Claim 71
Dependent Claim
12 words
The guard of claim 65 , wherein said opening is generally oval.
Claim 72
Dependent Claim
12 words
The guard of claim 65 , wherein said opening is generally elliptical.
Claim 73
Dependent Claim
38 words
The guard of claim 65 , wherein said body has an exterior surface that has opposed upper and lower surfaces oriented toward the adjacent vertebral bodies, respectively, said upper and lower surfaces being at least in part arcuate.
Claim 74
Dependent Claim
27 words
The guard of claim 71 , wherein said body has an exterior surface that has opposed side surfaces, said side surfaces being at least in part arcuate.
Claim 75
Dependent Claim
19 words
The guard of claim 72 , wherein said side surfaces of said exterior surface are parallel to one another.
Claim 76
Dependent Claim
31 words
The guard of claim 65 , wherein said body has an exterior surface that has a generally circular cross section along at least a portion of the length of said body.
Claim 77
Dependent Claim
31 words
The guard of claim 65 , wherein said body has an exterior surface that has a generally oval cross section along at least a portion of the length of said body.
Claim 78
Dependent Claim
31 words
The guard of claim 65 , wherein said body has an exterior surface that has a generally elliptical cross section along at least a portion of the length of said body.
Claim 79
Dependent Claim
26 words
The guard of claim 65 , wherein said body has a generally circular cross section along at least a portion of the length of the guard.
Claim 80
Dependent Claim
26 words
The guard of claim 65 , wherein said body has a generally oval cross section along at least a portion of the length of the guard.
Claim 81
Dependent Claim
26 words
The guard of claim 65 , wherein said body has a generally elliptical cross section along at least a portion of the length of the guard.
Claim 82
Dependent Claim
29 words
The guard of claim 65 , wherein said body has a leading end adapted to conform at least in part to the exterior surface of the adjacent vertebral bodies.
Claim 83
Dependent Claim
49 words
The guard of claim 65 , wherein said body has a leading end that is cutback to permit the curvature of the two adjacent vertebral bodies to have an intimate fit between said body and the two adjacent vertebral bodies when said contact surfaces are in the deployed position.
Claim 84
Dependent Claim
23 words
The guard of claim 65 , wherein said first and second portions of said extension touch one another when in the insertion position.
Claim 85
Dependent Claim
35 words
The guard of claim 65 , wherein said extension has a height between said contact surfaces and a length sufficient to properly align and distance apart the adjacent vertebral bodies when in the deployed position.
Claim 86
Dependent Claim
35 words
The guard of claim 83 , wherein said contact surfaces have a length greater than one half the depth of the disc space measured from the anterior to posterior aspect of the adjacent vertebral bodies.
Claim 87
Dependent Claim
28 words
The guard of claim 65 , wherein said contact surfaces are parallel to each other along a substantial portion of the length thereof when in the insertion position.
Claim 88
Dependent Claim
34 words
The guard of claim 65 , wherein said body has an external surface and said extension has an external surface that is at least in part coextensive with said external surface of said body.
Claim 89
Dependent Claim
29 words
The guard of claim 65 , wherein said extension has a tapered leading end to facilitate placement of said extension into the disc space when in the insertion position.
Claim 90
Dependent Claim
20 words
The guard of claim 65 , further comprising at least a second disc space penetrating extension extending from said body.
Claim 91
Dependent Claim
34 words
The guard of claim 88 , wherein said extensions are diametrically opposed to each other and spaced apart from one another to provide access to the adjacent vertebral bodies from within the disc space.
Claim 92
Dependent Claim
13 words
The guard of claim 89 , wherein said extensions have the same height.
Claim 93
Dependent Claim
23 words
The guard of claim 89 , wherein said extensions have the same height at the same distance along their length from said body.
Claim 94
Dependent Claim
24 words
The guard of claim 65 , wherein said opposed contacting surfaces diverge away from said body along at least a portion of their length.
Claim 95
Dependent Claim
36 words
The guard of claim 65 , wherein said body has at least one window adapted to permit portions of bone extending through said window to be removed by the bone removal device passing through said body.
Claim 96
Dependent Claim
26 words
The guard of claim 65 , wherein said body has at least one window adapted to permit the surgeon to observe the surgery through said window.
Claim 97
Dependent Claim
30 words
The guard of claim 65 , wherein said first and second portions of said disc space penetrating extension are hinged to one another to rotatably articulate relative to one another.
Claim 98
Dependent Claim
50 words
The guard of claim 65 , wherein said first and second portions of said disc space penetrating extension rotatably articulate relative to one another about an axis of rotation that is fixed relative to the mid-longitudinal axis of said guard when moved from the insertion position to the deployed position.
Claim 99
Dependent Claim
21 words
The guard of claim 65 , further comprising an impaction cap adapted to cooperatively engage a trailing end of said body.
Claim 100
Dependent Claim
18 words
The guard of claim 65 , wherein said body has a height in the range of 8-25 mm.
Claim 101
Dependent Claim
21 words
The guard of claim 65 , wherein said opening of said body has a height in the range of 8-20 mm.
Claim 102
Dependent Claim
21 words
The guard of claim 65 , wherein said extension has a combined height when closed in the range of 6-18 mm.
Claim 103
Dependent Claim
18 words
The guard of claim 65 , wherein said extension has a length in the range of 12-32 mm.
Claim 104
Dependent Claim
25 words
The guard of claim 65 , in combination with a bone removal device for forming through said guard an implantation space across the disc space.
Claim 105
Dependent Claim
32 words
The guard of claim 102 , wherein said bone removal device is selected from the group consisting of a drill, a trephine, a reamer, an end mill, a chisel, and a burr.
Claim 106
Dependent Claim
20 words
The guard of claim 102 , wherein said bone removal device has a height in the range of 8-20 mm.
Claim 107
Dependent Claim
32 words
The guard of claim 65 , in combination with an implant driver sized in part for passage through said opening for passing an implant through said guard and into the disc space.
Claim 108
Dependent Claim
36 words
The guard of claim 105 , wherein said implant driver comprises a shaft adapted to engage the implant at one end and a handle for manipulating said implant driver at the other end of said shaft.
Claim 109
Dependent Claim
24 words
The guard of claim 65 , in combination with a spinal implant adapted to be inserted in the implantation space formed through said guard.
Claim 110
Dependent Claim
31 words
The guard of claim 65 , in combination with an implant sized and shaped to at least in part match the space formed in the spine by a bone removal device.
Claim 111
Dependent Claim
20 words
The guard of claim 107 , wherein said implant comprises at least one of bone and bone growth promoting material.
Claim 112
Dependent Claim
38 words
The guard of claim 109 , wherein said bone growth promoting material is selected from one of bone, bone derived products, demineralized bone matrix, ossifying proteins, bone morphogenetic protein, hydroxyapatite, and genes coding for the production of bone.
Claim 113
Dependent Claim
18 words
The guard of claim 107 , wherein said implant is in combination with a bone growth promoting material.
Claim 114
Dependent Claim
38 words
The guard of claim 111 , wherein said bone growth promoting material is selected from one of bone, bone derived products, demineralized bone matrix, ossifying proteins, bone morphogenetic protein, hydroxyapatite, and genes coding for the production of bone.
Claim 115
Dependent Claim
17 words
The guard of claim 111 , wherein said implant is treated with a bone growth promoting substance.
Claim 116
Dependent Claim
29 words
The guard of claim 111 , wherein said implant comprises at least one of the following materials: metal, titanium, plastic, and ceramic appropriate for implantation in the human body.
Claim 117
Dependent Claim
15 words
The guard of claim 111 , wherein said implant is at least in part resorbable.
Claim 118
Dependent Claim
15 words
The guard of claim 111 , wherein said implant is formed of a porous material.
Claim 119
Dependent Claim
17 words
The guard of claim 111 , in combination with a chemical substance adapted to inhibit scar formation.
Claim 120
Dependent Claim
12 words
The guard of claim 111 , in combination with an antimicrobial material.
Claim 121
Dependent Claim
22 words
The guard of claim 65 , wherein the axis about which said contact surfaces pivot intersects the mid-longitudinal axis of said guard.
Claim 122
Dependent Claim
33 words
The guard of claim 65 , wherein the axis about which said contact surfaces pivot is substantially perpendicular to the saggital axis of the spine when said guard is engaged to the spine.
Claim 123
Dependent Claim
35 words
The guard of claim 65 , wherein said extension has a height between said contact surfaces, said contact surfaces of said first and second portions being opposite one another along the height of said extension.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2008-05-23 | 2008-11-22 | 2009-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-05-23 | 2012-11-22 | 2013-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-05-23 | 2016-11-22 | 2017-05-24 | $7700.00 | Window Closed / Lapsed |