← Back to Patent Explorer
US6149650A Expired / Lapsed US ⏱️ 0.0 years remaining

Threaded spinal implant

Assignee: Warsaw Orthopedic Inc
•
Filing: 1998-05-08
•
Granted: 2000-11-21
•
Expires: 2018-05-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An artificial spinal implant is disclosed which when placed between two adjacent vertebrae directly participates and is incorporated in the ensuing fusion. Instrumentation and procedure is also disclosed.

Inventors

  • 👤 Gary Karlin Michelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:34
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4603; A61F2/4611; A61B; A61B17/00; A61B17/16; A61B17/1662; A61B17/1671; A61B17/17; A61B17/1739; A61B17/1757; A61F2/44; A61F2/4455; A61F2/446; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; A61B17/8886; A61B17/8888; A61B17/02; A61B17/025; A61B2017/0256; A61B90/00; A61B90/03; A61B2090/033; A61B2090/036; A61F2/30721; A61F2/30744; A61F2/442; A61F2/28; A61F2002/2835; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30138; A61F2002/30143; A61F2002/30199; A61F2002/30224; A61F2002/30235; A61F2002/30316; A61F2002/30329; A61F2002/30405; A61F2002/30535; A61F2002/30593; A61F2/30767; A61F2/30771; A61F2002/30772; A61F2002/30774; A61F2002/30784; A61F2002/30785; A61F2002/30787; A61F2002/3085; A61F2002/448; A61F2002/4619; A61F2002/4625; A61F2002/4627; A61F2002/4629; A61F2002/4681; A61F2220/00; A61F2220/0025; A61F2230/00; A61F2230/0002; A61F2230/0017; A61F2230/0063; A61F2230/0069

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 72 words
A fusion implant comprising a generally cylindrical member having an outside diameter larger than the space between two adjacent vertebrae to be fused and a thread on the exterior of said cylindrical member for engaging the adjacent vertebrae to maintain said implant in place, a plurality of openings in the cylindrical surface of said member, said outside diameter of said cylindrical member being substantially uniform over the entire length of said implant.
Claim 2
Dependent Claim 72 words
A fusion implant comprising a generally cylindrical member having an outside diameter larger than the space between two adjacent vertebrae to be fused and a thread on the exterior of said cylindrical member for engaging the adjacent vertebrae to maintain said implant in place, a plurality of openings in the cylindrical surface of said member, said outside diameter of said cylindrical member being substantially uniform over the entire length of said implant.
Claim 3
Dependent Claim 18 words
The implant of claim 1, wherein said implant is made of a material designed to promote bone ingrowth.
Claim 4
Dependent Claim 20 words
The implant of claim 1, wherein said implant has a hollow portion for receiving autogenous bone for promoting bone ingrowth.
Claim 5
Dependent Claim 17 words
The implant of claim 3, wherein said implant has a removable cap for covering said hollow portion.
Claim 6
Dependent Claim 17 words
The implant of claim 4, wherein said cap has a thread for screwing onto said hollow portion.
Claim 7
Dependent Claim 21 words
The implant of claim 1, wherein said implant has means for engaging an insertion/removal device for inserting and removing said implant.
Claim 8
Dependent Claim 16 words
The implant of claim 6, wherein said engaging means comprises a shoulder and a threaded opening.
Claim 9
Dependent Claim 12 words
The implant of claim 1, wherein said thread is a locking thread.
Claim 10
Dependent Claim 10 words
The implant of claim 1, wherein said thread is interrupted.

References Cited (Backward Citations)

US31865A Cited
US350420A Cited
US1137585A Cited
US2065569A Cited
US2243718A Cited
US2181746A Cited
US2372622A Cited
US2543780A Cited
US2537070A Cited
US2514665A Cited
US2677369A Cited
US2774350A Cited
US2789558A Cited
US2832343A Cited
US2842131A Cited
US2878809A Cited
US3128768A Cited
ES283078A1 Cited
DE1961531U Cited
US3298372A Cited
US3426364A Cited
US3486505A Cited
US3618611A Cited
US3604487A Cited
US3948262A Cited
US3605123A Cited
US3855638A Cited
US3720959A Cited
US3709219A Cited
US3750652A Cited
US3867950A Cited
US3867728A Cited
US3848601A Cited
US3888260A Cited
US3918440A Cited
US3915151A Cited
US4070514A Cited
US3905047A Cited
US3987499A Cited
US3892232A Cited
US3942535A Cited
DE2446039A1 Cited
US4051905A Cited
US3875595A Cited
US3916907A Cited
US4016651A Cited
US3952334A Cited
FR2295729B1 Cited
US4086701A Cited
USD257511S Cited
US4168326A Cited
USD245259S Cited
US4237948A Cited
US4027392A Cited
US4177524A Cited
US4124026A Cited
US4082097A Cited
US4059115A Cited
US4142517A Cited
US4206516A Cited
US4232679A Cited
US4232679B1 Cited
US4175555A Cited
US4259072A Cited
US4222128A Cited
US4258716A Cited
US4181457A Cited
USRE31865E Cited
US4262369A Cited
US4271832A Cited
US4423721A Cited
US4197850A Cited
USD260525S Cited
US4341206A Cited
US4356572A Cited
US4333469A Cited
US4492226A Cited
US4450834A Cited
US4328593A Cited
US4293962A Cited
SU1124960A1 Cited
US4289123A Cited
US4405319A Cited
US4484570A Cited
GB2076657A Cited
US4349921A Cited
GB2082754B Cited
US4401112A Cited
US4309777A Cited
US4414979A Cited
US4507115A Cited
EP0077159A1 Cited
US4530360A Cited
US4501269A Cited
US4439152A Cited
US4535485A Cited
US4542539A Cited
US4547390A Cited
US4549547A Cited
GB2126094A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-11-21 2004-05-22 2004-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-11-21 2008-05-22 2008-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-11-21 2012-05-22 2012-11-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag