Patent US6966930B2 successfully refreshed from Google Patents.
US6966930B2
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US
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Facet prosthesis
Assignee: Premia Spine Ltd
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Filing: 2003-12-16
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Granted: 2005-11-22
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Expires: 2023-12-16
Abstract
Abstract An article including a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint, and an elastomeric cushioning element disposed in the facet prosthesis.
Inventors
- 👤 Uri Arnin
- 👤 Yuri Sudin
- 👤 Michael Tauber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:57
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/562; A61B17/58; A61B17/68; A61B17/70; A61B17/7062; A61B17/7064; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/4405; A61F2/30721; A61F2/30742; A61F2/30744; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30069; A61F2002/30092; A61F2002/30108; A61F2002/3011; A61F2002/30138; A61F2002/30143; A61F2002/30199; A61F2002/30242; A61F2002/30291; A61F2002/30316; A61F2002/30329; A61F2002/30476; A61F2002/30507; A61F2002/30535; A61F2002/30563; A61F2002/30579; A61F2002/30594; A61F2002/30621; A61F2002/30639; A61F2210/00; A61F2210/0014; A61F2220/00; A61F2220/0025; A61F2230/00; A61F2230/0002; A61F2230/0017; A61F2230/0063; A61F2230/0071; A61F2230/0091; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00023; A61F2310/00029; A61F2310/00179; Y; Y10; Y10S; Y10S606/00; Y10S606/907; Y10S606/91; Y10S606/911
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
99 words
An article comprising: a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint; and an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes first and second mechanical fasteners at opposite ends thereof which are attachable to superior and inferior halves of the facet joint, wherein said first and second mechanical fasteners comprise an expandable sleeve member, the facet prosthesis further comprising a wedge insertable into said expandable sleeve member, wherein the sleeve expands radially upon insertion of the wedge into the sleeve.
Claim 2
Dependent Claim
99 words
An article comprising: a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint; and an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes first and second mechanical fasteners at opposite ends thereof which are attachable to superior and inferior halves of the facet joint, wherein said first and second mechanical fasteners comprise an expandable sleeve member, the facet prosthesis further comprising a wedge insertable into said expandable sleeve member, wherein the sleeve expands radially upon insertion of the wedge into the sleeve.
Claim 3
Dependent Claim
18 words
The article according to claim 1 , wherein said expandable sleeve member has an axial slit formed therein.
Claim 4
Dependent Claim
33 words
The article according to claim 1 , wherein said elastomeric cushioning element includes a wire coil coated with an elastomeric material disposed in said lumen and sealed in said lumen with end caps.
Claim 5
Dependent Claim
18 words
The article according to claim 3 , wherein said wire coil is constructed of a shape memory alloy.
Claim 6
Dependent Claim
57 words
An article comprising: a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint; and an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes a plurality of elastomeric balls disposed in said lumen and sealed in said lumen with end caps.
Claim 7
Dependent Claim
57 words
An article comprising: a facet prosthesis at least partially mounted in a lumen artificially formed between superior and inferior halves of a facet joint; and an elastomeric cushioning element disposed in said facet prosthesis, wherein said elastomeric cushioning element includes a plurality of elastomeric balls disposed in said lumen and sealed in said lumen with end caps.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2008-11-21 | 2009-05-23 | 2009-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2012-11-21 | 2013-05-23 | 2013-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2016-11-21 | 2017-05-23 | 2017-11-22 | $7700.00 | Window Closed / Lapsed |