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US6984245B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Anterior impacted bone graft and driver instruments

Assignee: Surgalign Spine Technologies Inc
•
Filing: 2002-08-06
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Granted: 2006-01-10
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Expires: 2022-08-06
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Abstract

Abstract Instrument and implants are disclosed which provide for insertion of an implant into an intervertebral disc space from multiple approaches to the spine. Specifically, as a preferred aspect of the invention the implant includes a tapered portion and the implant may be inserted from multiple approaches to the spine with the orientation and taper properly oriented in the disc space regardless of the approach.

Inventors

  • 👤 Thomas V. McGahan
  • 👤 Steven D. DeRidder
  • 👤 Dayna Buskirk
  • 👤 Eric C. Lange

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/4455; A61F2/4465; A61F2/46; A61F2/4603; A61F2/4611; A61F2/28; A61F2/442; A61F2002/2835; A61F2002/2839; A61F2002/30001; A61F2002/30108; A61F2002/30199; A61F2002/30224; A61F2002/3023; A61F2002/30316; A61F2002/30535; A61F2002/30593; A61F2/30767; A61F2/30771; A61F2002/30772; A61F2002/30774; A61F2002/30784; A61F2002/30787; A61F2002/30878; A61F2002/30879; A61F2002/30891; A61F2002/30892; A61F2002/30904; A61F2002/4625; A61F2002/4627; A61F2230/00; A61F2230/0063; A61F2230/0069; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00023; A61F2310/00179; A61F2310/00359

Claims Analysis

Total Claims: 50
Claim 1
Independent Claim 93 words
A spinal implant, comprising: an implant body having a first pair of substantially parallel sidewalls, and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; and wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls.
Claim 2
Dependent Claim 93 words
A spinal implant, comprising: an implant body having a first pair of substantially parallel sidewalls, and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; and wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls.
Claim 3
Dependent Claim 14 words
The implant of claim 1 , wherein said first insertion tool bore is threaded.
Claim 4
Dependent Claim 14 words
The implant of claim 2 , wherein said second insertion tool bore is threaded.
Claim 5
Dependent Claim 36 words
The implant of claim 3 , wherein said implant body defines a third bore parallelly spaced apart from said first insertion tool bore, said third bore being adapted to receive a pin to minimize implant rotation.
Claim 6
Dependent Claim 48 words
The implant of claim 4 , wherein said implant body further includes a front end face and an opposing end face oriented in a substantially parallel arrangement, wherein said front end face and said opposing end face extend substantially perpendicular with respect to said first pair of sidewalls.
Claim 7
Dependent Claim 41 words
The implant of claim 5 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surfaces each have a plurality of ridges defined thereon to minimize implant migration.
Claim 8
Dependent Claim 12 words
The implant of claim 6 , wherein said implant body is tapered.
Claim 9
Dependent Claim 14 words
The implant of claim 7 , wherein said implant body defines a central opening.
Claim 10
Dependent Claim 28 words
The implant of claim 8 , wherein said implant body is formed of bone having a medullary canal, and said central opening conforms generally to the medullary canal.
Claim 11
Dependent Claim 31 words
The implant of claim 9 , wherein a distance between said first pair of substantially parallel sidewalls is substantially identical to a distance between said second pair of substantially parallel sidewalls.
Claim 12
Dependent Claim 28 words
The implant of claim 10 , wherein said second pair of sidewalls are disposed at angle of approximately 30 degrees with respect to said first pair of sidewalls.
Claim 13
Dependent Claim 46 words
The implant of claim 3 , wherein: said implant body further includes an angled driving wall in which said second insertion tool bore is defined; and said angled driving wall defines a recess surface that extends substantially perpendicular with respect to said second pair of sidewalls.
Claim 14
Dependent Claim 14 words
The implant of claim 12 , wherein said implant body is made of bone.
Claim 15
Dependent Claim 28 words
The implant of claim 13 , wherein: said bone includes a medullary canal; and said implant body defines a central opening that conforms generally to said medullary canal.
Claim 16
Dependent Claim 20 words
The implant of claim 12 , wherein a portion of said implant body includes an unmachined donor implant bone portion.
Claim 17
Dependent Claim 36 words
The implant of claim 1 , wherein said implant body is constructed and arranged to permit insertion of said implant body into the disc space at least from a direct approach and from an oblique approach.
Claim 18
Dependent Claim 27 words
The implant of claim 1 , wherein a distance between said first pair of sidewalls is substantially identical to a distance between said second pair of sidewalls.
Claim 19
Dependent Claim 28 words
The implant of claim 1 , wherein said second pair of sidewalls are disposed at angle of approximately 30 degrees with respect to said first pair of sidewalls.
Claim 20
Dependent Claim 14 words
The implant of claim 1 , wherein said implant body is made of bone.
Claim 21
Dependent Claim 28 words
The implant of claim 19 , wherein: said bone includes a medullary canal; and said implant body defines a central opening that conforms generally to said medullary canal.
Claim 22
Dependent Claim 20 words
The implant of claim 1 , wherein a portion of said implant body includes an unmachined donor implant bone portion.
Claim 23
Dependent Claim 41 words
The implant of claim 1 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surfaces each have a plurality of ridges defined thereon to minimize implant migration.
Claim 24
Dependent Claim 12 words
The implant of claim 1 , wherein said implant body is tapered.
Claim 25
Dependent Claim 14 words
The implant of claim 23 , wherein said implant body is made of bone.
Claim 26
Dependent Claim 20 words
The implant of claim 23 , wherein a portion of said implant body includes an unmachined donor implant bone portion.
Claim 27
Dependent Claim 41 words
The implant of claim 23 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surface, each have a plurality of ridges defined thereon to minimize implant migration.
Claim 28
Dependent Claim 36 words
The implant of claim 23 , wherein said implant body defines a third bore parallelly spaced apart from said first insertion tool bore, said third bore being smooth to receive a pin for minimizing implant rotation.
Claim 29
Dependent Claim 46 words
The implant of claim 23 , wherein: said implant body further includes an angled driving wall in which said second insertion tool bore is defined; and said angled driving wall defines a recess surface that extends substantially perpendicular with respect to said second pair of sidewalls.
Claim 30
Dependent Claim 14 words
The implant of claim 1 , wherein said implant body defines a central opening.
Claim 31
Dependent Claim 46 words
The implant of claim 1 , wherein: said implant body further includes an angled driving wall in which said second insertion tool bore is defined; and said angled driving wall defines a recess surface that extends substantially perpendicular with respect to said second pair of sidewalls.
Claim 32
Dependent Claim 14 words
The implant of claim 30 , wherein said implant body is made of bone.
Claim 33
Dependent Claim 28 words
The implant of claim 31 , wherein: said bone includes a medullary canal; and said implant body defines a central opening that conforms generally to said medullary canal.
Claim 34
Dependent Claim 20 words
The implant of claim 30 , wherein a portion of said implant body includes an unmachined donor implant bone portion.
Claim 35
Dependent Claim 41 words
The implant of claim 30 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surfaces each have a plurality of ridges defined thereon to minimize implant migration.
Claim 36
Dependent Claim 123 words
A spinal implant comprising: an implant body having a first pair of substantially parallel sidewalls, and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls; and wherein said implant body defines a third bore parallelly spaced apart from said first insertion tool bore, said third bore being smooth to receive a pin for minimizing implant rotation.
Claim 37
Dependent Claim 123 words
A spinal implant comprising: an implant body having a first pair of substantially parallel sidewalls, and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls; and wherein said implant body defines a third bore parallelly spaced apart from said first insertion tool bore, said third bore being smooth to receive a pin for minimizing implant rotation.
Claim 38
Dependent Claim 48 words
The implant of claim 35 , wherein: said implant body further includes a front end face and an opposing end face oriented in a substantially parallel arrangement; and said front end face and said opposing end face extend substantially perpendicular with respect to said first pair of sidewalls.
Claim 39
Dependent Claim 41 words
The implant of claim 35 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surfaces each have a plurality of ridges defined thereon to minimize implant migration.
Claim 40
Dependent Claim 14 words
The implant of claim 35 , wherein said implant body is made of bone.
Claim 41
Dependent Claim 28 words
The implant of claim 38 , wherein: said bone includes a medullary canal; and said implant body defines a central opening that conforms generally to said medullary canal.
Claim 42
Dependent Claim 20 words
The implant of claim 38 , wherein a portion of said implant body includes an unmachined donor implant bone portion.
Claim 43
Dependent Claim 201 words
A spinal implant, comprising: an implant body having a first pair of substantially parallel sidewalls; and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls; wherein said implant body is formed from bone; and wherein said implant body further includes a front end face, an opposing end face oriented in a substantially parallel arrangement with said front end face, said front end face and said opposing end face extending substantially perpendicular with respect to said first pair of sidewalls, a first unmachined portion extending between said opposing end face and one of said first pair of sidewalls, a second unmachined portion extending between said opposing end face and one of said second pair of sidewalls, and wherein said first unmachined portion and said second unmachined portion substantially maintain a natural shape of said bone.
Claim 44
Dependent Claim 201 words
A spinal implant, comprising: an implant body having a first pair of substantially parallel sidewalls; and a second pair of substantially parallel sidewalls disposed at an oblique angle with respect to said first pair of sidewalls to permit insertion of said implant body into a disc space from multiple directions; wherein said implant body defines a first insertion tool bore and a second insertion tool bore, said first tool bore extending substantially parallel to said first pair of sidewalls, said second tool bore extending substantially parallel to said second pair of sidewalls; wherein said implant body is formed from bone; and wherein said implant body further includes a front end face, an opposing end face oriented in a substantially parallel arrangement with said front end face, said front end face and said opposing end face extending substantially perpendicular with respect to said first pair of sidewalls, a first unmachined portion extending between said opposing end face and one of said first pair of sidewalls, a second unmachined portion extending between said opposing end face and one of said second pair of sidewalls, and wherein said first unmachined portion and said second unmachined portion substantially maintain a natural shape of said bone.
Claim 45
Dependent Claim 46 words
The implant of claim 41 , wherein: said implant body further includes an angled driving wall in which said second insertion tool bore is defined; and said angled driving wall defines a recess surface that extends substantially perpendicular with respect to said second pair of sidewalls.
Claim 46
Dependent Claim 36 words
The implant of claim 41 , wherein said implant body defines a third bore parallelly spaced apart from said first insertion tool bore, said third bore being smooth to receive a pin for minimizing implant rotation.
Claim 47
Dependent Claim 41 words
The implant of claim 41 , wherein said implant body has an upper bone engaging surface and a lower bone engaging surface, said upper and lower bone engaging surfaces each have a plurality of ridges defined thereon to minimize implant migration.
Claim 48
Dependent Claim 12 words
The implant of claim 41 , wherein said implant body is tapered.
Claim 49
Dependent Claim 52 words
The implant of claim 41 , wherein: a first distance between said first pair of sidewalls is substantially identical to a second distance between said second pair of sidewalls; and a third distance between said front end face and said opposing end face is substantially identical to said first and second distances.
Claim 50
Dependent Claim 28 words
The implant of claim 41 , wherein: said bone includes a medullary canal; and said implant body defines a central opening that conforms generally to said medullary canal.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2009-01-09 2009-07-11 2010-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2013-01-09 2013-07-11 2014-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2017-01-09 2017-07-11 2018-01-10 $7700.00 Window Closed / Lapsed

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