US7553329B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized intervertebral disc barrier
Assignee: Intrinsic Therapeutics Inc
•
Filing: 2004-10-21
•
Granted: 2009-06-30
•
Expires: 2024-10-21
Abstract
Abstract Presented are new resilient sheet-like surgical meshes that may be compressed for minimally invasive delivery in the intervertebral discs. According to one or more embodiments, the surgical mesh can be robust, fatigue resistant, stable and capable of withstanding the dynamic environment generic to intervertebral discs.
Inventors
- 👤 Gregory H. Lambrecht
- 👤 Robert Kevin Moore
- 👤 Jacob Einhorn
- 👤 Sean Kavanaugh
- 👤 Chris Tarapata
- 👤 Thomas Boyajian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:26
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/103; A61B5/107; A61B5/1076; A61B17/00; A61B17/32; A61B17/3205; A61B17/3207; A61B17/320708; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/441; A61F2/442; A61F2/46; A61F2/4603; A61F2/4611; A61F2/4657; A61B17/00234; A61B2017/00238; A61B2017/00261; A61B17/22; A61B2017/22072; A61B2017/22074; A61B2017/22077; A61B2017/320044; A61B17/34; A61B17/3417; A61B17/3421; A61B2017/3445; A61B90/00; A61B90/06; A61B2090/061; A61B2090/062; A61B5/45; A61B5/4514; A61F2/28; A61F2/2846; A61F2/30721; A61F2/30723; A61F2/30767; A61F2/30907; A61F2/4601; A61F2002/2817; A61F2002/30001; A61F2002/30003; A61F2002/30004; A61F2002/30014; A61F2002/3006; A61F2002/30062; A61F2002/30075; A61F2002/30092; A61F2002/30108; A61F2002/3011; A61F2002/30112; A61F2002/30131; A61F2002/30136; A61F2002/30159; A61F2002/30166; A61F2002/30172; A61F2002/30177; A61F2002/30182; A61F2002/30187; A61F2002/30199; A61F2002/302; A61F2002/30224; A61F2002/30228; A61F2002/30261; A61F2002/30289; A61F2002/30291; A61F2002/30316; A61F2002/30329; A61F2002/30462; A61F2002/30535; A61F2002/30565; A61F2002/30566; A61F2002/30571; A61F2002/30576; A61F2002/30581; A61F2002/30583; A61F2002/30589; A61F2002/30601; A61F2002/30667; A61F2002/30677; A61F2/30771; A61F2002/30772; A61F2002/30777; A61F2002/30784; A61F2002/30785; A61F2002/30909; A61F2/3094; A61F2002/30971; A61F2002/4435; A61F2002/444; A61F2002/448; A61F2002/4625; A61F2002/4627; A61F2002/4635; A61F2002/4658; A61F2002/4661; A61F2002/4662; A61F2210/00; A61F2210/0004; A61F2210/0014; A61F2210/0061; A61F2210/0085; A61F2220/00; A61F2220/0025; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0013; A61F2230/0028; A61F2230/0034; A61F2230/0052; A61F2230/0056; A61F2230/0063; A61F2230/0065; A61F2230/0069; A61F2230/0082; A61F2230/0091; A61F2250/00; A61F2250/0014; A61F2250/0018; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00023; A61F2310/00029; A61F2310/00161; A61F2310/00179; A61F2310/00293; A61F2310/00365; A61F2310/00389; A61F2310/0097; A61F2310/00976
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
144 words
An anulus augmentation device for reinforcing an intervertebral disc comprising: a support member comprising a mesh frame; wherein said mesh frame comprises a “C” cross-sectional shape extending along a vertical axis; wherein said mesh frame is elongated along a horizontal axis having a first and second end; wherein said mesh frame comprises a plurality of flexible interconnected curvilinear members, wherein said plurality of flexible interconnected curvilinear members are adapted to provide flexibility and resilience to said mesh frame; a membrane, wherein said membrane covers at least a portion of said mesh frame; and a bow-like anterior stabilizing projection coupled to both ends of said support member, wherein said bow-like projection extends at an angle from about 30-150 degrees relative to the vertical axis of the support member; and wherein the bow-like projection is configured to prevent migration around the circumference of an intervertebral disc.
Claim 2
Dependent Claim
144 words
An anulus augmentation device for reinforcing an intervertebral disc comprising: a support member comprising a mesh frame; wherein said mesh frame comprises a “C” cross-sectional shape extending along a vertical axis; wherein said mesh frame is elongated along a horizontal axis having a first and second end; wherein said mesh frame comprises a plurality of flexible interconnected curvilinear members, wherein said plurality of flexible interconnected curvilinear members are adapted to provide flexibility and resilience to said mesh frame; a membrane, wherein said membrane covers at least a portion of said mesh frame; and a bow-like anterior stabilizing projection coupled to both ends of said support member, wherein said bow-like projection extends at an angle from about 30-150 degrees relative to the vertical axis of the support member; and wherein the bow-like projection is configured to prevent migration around the circumference of an intervertebral disc.
Claim 3
Dependent Claim
37 words
The anulus augmentation device of claim 1 , wherein said plurality of flexible interconnected curvilinear members comprise a metal alloy selected from group consisting of one or more of the following: steel, nickel titanium, and cobalt chrome.
Claim 4
Dependent Claim
60 words
The anulus augmentation device of claim 1 , wherein said plurality of flexible interconnected curvilinear members comprise a material selected from group consisting of one or more of the following: nylon, polyvinyl alcohol, polyethylene, polyurethane, polypropylene, polycaprolactone, polyacrylate, ethylene-vinyl acetate, polystyrene, polyvinyl oxide, polyvinyl fluoride, polyvinyl imidazoles, chlorosulphonated polyolefin, polyethylene oxide, polytetrafluoroethylene, acetal, poly(p-phenyleneterephtalamide) (Kevlar™), poly carbonate, carbon, and graphite.
Claim 5
Dependent Claim
30 words
The anulus augmentation device of claim 1 , wherein said membrane comprises a material selected from a group consisting of one or more of the following: polymers, elastomers, and gels.
Claim 6
Dependent Claim
32 words
The anulus augmentation device of claim 1 , wherein said membrane comprises a material selected from a group consisting of one or more of the following: elastin, albumin, collagen, fibrin and keratin.
Claim 7
Dependent Claim
38 words
The anulus augmentation device of claim 1 , wherein said membrane comprises a material selected from a group consisting of one or more of the following: antibodies, antiseptics, genetic vectors, bone morphogenic proteins, steroids, cortisones, and growth factors.
Claim 8
Dependent Claim
15 words
The anulus augmentation device of claim 1 , wherein said membrane is a coating material.
Claim 9
Dependent Claim
28 words
The anulus augmentation device of claim 1 , where at least a portion of said plurality of flexible interconnected curvilinear members form a horizontal member or central strut.
Claim 10
Dependent Claim
22 words
The anulus augmentation device of claim 1 , where said plurality of flexible interconnected curvilinear members are arranged in a parallel configuration.
Claim 11
Dependent Claim
28 words
The anulus augmentation device of claim 1 , wherein said mesh frame is concave along at least a portion of at least one axis of said mesh frame.
Claim 12
Dependent Claim
26 words
The anulus augmentation device of claim 1 , wherein said mesh frame has a length in the range of about 0.5 cm to about 5 cm.
Claim 13
Dependent Claim
28 words
The anulus augmentation device of claim 1 , wherein said mesh frame is sized to cover at least a portion of an interior surface of an anulus lamella.
Claim 14
Dependent Claim
25 words
The anulus augmentation device of claim 1 , wherein said mesh frame is adapted to extend circumferentially along the entire surface of an anulus lamella.
Claim 15
Dependent Claim
20 words
The anulus augmentation device of claim 1 , further comprising at least one projection that radiates from the mesh frame.
Claim 16
Dependent Claim
39 words
The anulus augmentation device of claim 1 , wherein a portion of the mesh frame has a vertical cross-section of a shape selected from the group consisting of one or more of the following: flat, concave, convex, and curvilinear.
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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) | 2012-06-29 | 2012-12-29 | 2013-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2016-06-29 | 2016-12-29 | 2017-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2020-06-29 | 2020-12-29 | 2021-06-30 | $7700.00 | Window Closed / Lapsed |