EP0712607A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Apparatus for use in spinal surgery
Assignee: SDGI Holdings Inc
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Filing: 1989-06-13
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Granted: —
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Expires: 2009-06-13
Abstract
Abstract Apparatus for use in performing surgery comprising a rigid tubular member (10) having means (12) at one end for engaging two adjacent vertebrae members(V), a removable internal hollow tubular sleeve (15), a drill bit (22) for use in a surgical procedure, the drill bit (22) having a narrowed portion between the ends of the drill bit (22), the outside diameter of said drill bit (22) being slightly smaller than the inside diameter of said removable sleeve (15).
Inventors
- 👤 Gary Karlin Michelson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 19:26
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1662; A61B17/1671; A61B17/17; A61B17/1739; A61B17/1757; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/44; A61F2/4455; A61F2/446; A61F2/46; A61F2/4603; A61F2/4611; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; 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: 15
Claim 1
Independent Claim
27 words
Apparatus for use in performing surgery for fusing vertebrae comprising a rigid tubular member (10) having means (12) at one end for engaging two adjacent vertebrae (V).
Claim 2
Dependent Claim
20 words
The apparatus of claim 1 in which said means (12) for engaging said vertebrae comprises a plurality of teeth (12).
Claim 3
Dependent Claim
13 words
The apparatus of claim 2 including a removable internal hollow tubular sleeve (15).
Claim 4
Dependent Claim
28 words
The apparatus of claim 3 in which said removable sleeve (15) has a collar (17) at one end larger than the inside diameter of the tubular member (10).
Claim 5
Dependent Claim
37 words
A drilling member for use in a spinal surgical procedure comprising a drill bit (22), said drill bit (22) having a narrowed portion (26) between the lower and upper portions (28, 24) of said drill bit (22).
Claim 6
Dependent Claim
31 words
The apparatus of claim 5 in which said upper and lower portion (28, 24) of the drill bit (22) on either side of said narrowed portion (26) are the same diameter.
Claim 7
Dependent Claim
21 words
The apparatus of claim 5 including an increased diameter collar (30) on the upper portion (24) of said drill bit (22).
Claim 8
Dependent Claim
32 words
The apparatus of claim 5 in which said drill bit (22) has an increased portion (30) at its upper end at a predetermined position for restricting penetration of said drill bit (22).
Claim 9
Dependent Claim
81 words
Apparatus for use in performing surgery comprising a rigid tubular member (10) having means (12) at one end for engaging two adjacent vertebrae members (V); a removable internal hollow tubular sleeve (15); a drill bit (22) for use in a surgical procedure, said drill bit (22) having a narrowed portion (26) between the ends (28, 24) of said drill bit (22), the outside diameter of said drill bit (22) being slightly smaller than the inside diameter of said removable sleeve (15).
Claim 10
Dependent Claim
28 words
The apparatus of claim 9 in which the portion (28, 24) of said drill bit (22) on either side of said narrowed portion (26) are the same diameter.
Claim 11
Dependent Claim
33 words
The apparatus of claim 9 in which said drill (22) has an increased diameter collar portion (30) at its upper end at a predetermined position for restricting penetration of said drill bit (22).
Claim 12
Dependent Claim
31 words
The apparatus of claim 9 in which the length of said drill (22) from said increased diameter collar portion (30) is longer than the length of said tubular driving member (10).
Claim 13
Independent Claim
111 words
An apparatus for use in performing surgery for fusing vertebrae including an insertion/removal device (100) for inserting or removing an implant (50) in the body of a patient, said implant (50) having a generally cylindrical configuration, a thread on its outside perimeter and a central threaded portion (65), comprising a first tubular member (102) having an outside diameter and thread (104) corresponding to the central threaded portion (65) of said implant (50); and an engaging means (108) for engaging a portion (70) of the implant (50), whereby said engaging means (108) is fixed to said implant (50); said engaging means (108) being rotatable in relationship to said first tubular member (102).
Claim 14
Dependent Claim
30 words
The apparatus of claim 13 in which said implant (50) has a shoulder (63) and said engaging means (108) comprises a corresponding member (114) for fixing to said shoulder (63).
Claim 15
Dependent Claim
29 words
The apparatus of claim 13 in which said engaging means (108) has handle means (118, 120) extending perpendicularly from said engaging means (108) for rotating said engaging means (108).
References Cited (Backward Citations)
No citation records indexed.
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