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US6419703B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Prosthesis for the replacement of a posterior element of a vertebra

Assignee: MedicineLodge Inc
•
Filing: 2001-03-01
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Granted: 2002-07-16
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Expires: 2021-03-01
📄 Original PDF 🌐 Google Patents

Abstract

Abstract A prosthetic replacement for a posterior element of a vertebra comprising portions that replace the natural lamina and the four natural facets. The prosthetic replacement may also include portions that replace one or more of the natural spinous process and the two natural transverse processes. If desired, the prosthesis replacement may also replace the natural pedicles. A method for replacing a posterior element of a vertebra is also provided.

Inventors

  • 👤 T. Wade Fallin
  • 👤 E. Marlowe Goble
  • 👤 Robert W. Hoy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:11
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/4405; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/84; A61B17/86; A61B2560/00; A61B2560/04; A61B2560/0443; A61F2002/30001; A61F2002/30316; A61F2002/30535; A61F2002/30576; A61F2002/30578; A61F2002/30604

Claims Analysis

Total Claims: 40
Claim 1
Independent Claim 157 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; a prosthetic spinous process extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic mounts.
Claim 2
Dependent Claim 157 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; a prosthetic spinous process extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic mounts.
Claim 3
Dependent Claim 32 words
The prosthesis of claim 1 wherein at least one of said prosthetic spinous process and said two prosthetic transverse processes includes at least one opening for attaching soft tissue to said prosthesis.
Claim 4
Dependent Claim 20 words
The prosthesis of claim 1 wherein said two prosthetic mounts comprise openings for attaching said prosthesis to the natural vertebra.
Claim 5
Dependent Claim 145 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a prosthetic spinous process extending from said prosthetic lamina.
Claim 6
Dependent Claim 145 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a prosthetic spinous process extending from said prosthetic lamina.
Claim 7
Dependent Claim 22 words
The prosthesis of claim 4 wherein said prosthetic spinous process includes at least one opening for attaching soft tissue to said prosthesis.
Claim 8
Dependent Claim 20 words
The prosthesis of claim 4 wherein said two prosthetic mounts comprise openings for attaching said prosthesis to the natural vertebra.
Claim 9
Dependent Claim 148 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic mounts.
Claim 10
Dependent Claim 148 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic mounts.
Claim 11
Dependent Claim 27 words
The prosthesis of claim 7 wherein at least one of said two prosthetic transverse processes includes at least one opening for attaching soft tissue to said prosthesis.
Claim 12
Dependent Claim 20 words
The prosthesis of claim 7 wherein said two prosthetic mounts comprise openings for attaching said prosthesis to the natural vertebra.
Claim 13
Dependent Claim 136 words
A prosthesis for the replacement of a posterior element of a natural vertebra wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 14
Dependent Claim 136 words
A prosthesis for the replacement of a posterior element of a natural vertebra wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic mounts; a prosthetic lamina extending from said two prosthetic mounts; a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina; and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 15
Dependent Claim 20 words
The prosthesis of claim 10 wherein said two prosthetic mounts comprise openings for attaching said prosthesis to the natural vertebra.
Claim 16
Dependent Claim 157 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; a prosthetic spinous process extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic pedicles.
Claim 17
Dependent Claim 157 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; a prosthetic spinous process extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic pedicles.
Claim 18
Dependent Claim 32 words
The prosthesis of claim 12 wherein at least one of said prosthetic spinous process and said two prosthetic transverse processes includes at least one opening for attaching soft tissue to said prosthesis.
Claim 19
Dependent Claim 20 words
The prosthesis of claim 12 wherein said two prosthetic pedicles comprise openings for attaching said prosthesis to the natural vertebra.
Claim 20
Dependent Claim 145 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a prosthetic spinous process extending from said prosthetic lamina.
Claim 21
Dependent Claim 145 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a prosthetic spinous process extending from said prosthetic lamina.
Claim 22
Dependent Claim 22 words
The prosthesis of claim 15 wherein said prosthetic spinous process includes at least one opening for attaching soft tissue to said prosthesis.
Claim 23
Dependent Claim 20 words
The prosthesis of claim 15 wherein said two prosthetic pedicles comprise openings for attaching said prosthesis to the natural vertebra.
Claim 24
Dependent Claim 148 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic pedicles.
Claim 25
Dependent Claim 148 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; a pair of prosthetic inferior facets extending from said prosthetic lamina; and a pair of prosthetic transverse processes extending from said two prosthetic pedicles.
Claim 26
Dependent Claim 27 words
The prosthesis of claim 18 wherein at least one of said two prosthetic transverse processes includes at least one opening for attaching soft tissue to said prosthesis.
Claim 27
Dependent Claim 20 words
The prosthesis of claim 18 wherein said two prosthetic pedicles comprise openings for attaching said prosthesis to the natural vertebra.
Claim 28
Dependent Claim 136 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 29
Dependent Claim 136 words
A prosthesis for the replacement of a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said prosthesis comprising: a pair of prosthetic pedicles; a prosthetic lamina extending from said two prosthetic pedicles; a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina; and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 30
Dependent Claim 20 words
The prosthesis of claim 21 wherein said two prosthetic pedicles comprise openings for attaching said prosthesis to the natural vertebra.
Claim 31
Independent Claim 160 words
A method for replacing a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said method comprising the steps of: making a resection at the most dorsal aspect the two natural pedicles; and attaching a prosthesis to the resected vertebra, said prosthesis comprising a pair of prosthetic mounts, a prosthetic lamina extending from said two prosthetic mounts, a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina, and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 32
Independent Claim 160 words
A method for replacing a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the two natural pedicles, said method comprising the steps of: making a resection at the most dorsal aspect the two natural pedicles; and attaching a prosthesis to the resected vertebra, said prosthesis comprising a pair of prosthetic mounts, a prosthetic lamina extending from said two prosthetic mounts, a pair of prosthetic superior facets extending from said two prosthetic mounts and said prosthetic lamina, and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 33
Dependent Claim 20 words
A method according to claim 23 wherein said prosthesis further comprises a prosthetic spinous process extending from said prosthetic lamina.
Claim 34
Dependent Claim 23 words
A method according to claim 23 wherein said prosthesis further comprises a pair of prosthetic transverse processes extending from said two prosthetic mounts.
Claim 35
Dependent Claim 37 words
A method according to claim 23 wherein said prosthesis further comprises a prosthetic spinous process extending from said prosthetic lamina and a pair of prosthetic transverse processes extending from said two prosthetic mounts and said prosthetic lamina.
Claim 36
Independent Claim 162 words
A method for replacing a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the natural pedicles, said method comprising the steps of: making a resection at the junction of the natural vertebral body and the two natural pedicles; and attaching a prosthesis to the resected vertebra, said prosthesis comprising a pair of prosthetic pedicles, a prosthetic lamina extending from said prosthetic pedicles, a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina, and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 37
Independent Claim 162 words
A method for replacing a posterior element of a natural vertebra, wherein the natural vertebra comprises a natural vertebral body, a pair of natural pedicles extending from the natural vertebral body, a natural lamina extending from the two natural pedicles, a pair of natural superior facets extending from the two natural pedicles and the natural lamina, a pair of natural inferior facets extending from the natural lamina, a natural spinous process extending from the natural lamina, and a pair of natural transverse processes extending from the natural pedicles, said method comprising the steps of: making a resection at the junction of the natural vertebral body and the two natural pedicles; and attaching a prosthesis to the resected vertebra, said prosthesis comprising a pair of prosthetic pedicles, a prosthetic lamina extending from said prosthetic pedicles, a pair of prosthetic superior facets extending from said two prosthetic pedicles and said prosthetic lamina, and a pair of prosthetic inferior facets extending from said prosthetic lamina.
Claim 38
Dependent Claim 20 words
A method according to claim 27 wherein said prosthesis further comprises a prosthetic spinous process extending from said prosthetic lamina.
Claim 39
Dependent Claim 23 words
A method according to claim 27 wherein said prosthesis further comprises a pair of prosthetic transverse processes extending from said two prosthetic pedicles.
Claim 40
Dependent Claim 35 words
A method according to claim 19 wherein said prosthesis further comprises a prosthetic spinous process extending from said prosthetic lamina and two prosthetic transverse processes extending from said two prosthetic pedicles and said prosthetic lamina.

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