Method and apparatus for providing proper vertebral spacing
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United States of America Patent
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app pub date -
Sep 14, 2001
filing date -
Sep 13, 1996
priority date (Note) -
Abandoned
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Abstract
An expandable osteosynthesis implant has branches (5) each connected at one end to a seat (7) which is pierced by an orifice (8), suitable for being slid from a posterior direction between the facing faces of two consecutive vertebrae in order to hold them a given distance apart and restore stability of the spinal column. According to the invention, said branches (5) and said seat (7) define a hollow cage (1) which, in a 'rest' position, has an outside general shape that is a cylinder of circular section, and a portion at least of the inside volume (9) of the cage (1) towards the distal ends of said branches (5) is in the form of a circular truncated cone whose large base is towards said seat (7), which implant has at least three branches (5) and, inside said inside volume (9) at least one spacer (2) suitable for passing through said orifice (8) and the large base of the truncated cone.
First Claim
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- 15 United States
- 10 France
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- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
OSTEOIMPLANT TECHNOLOGY INC | 11201 PEPPER ROAD HUNT VALLEY MD 21031 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Attali, David | Avignon, FR | 9 | 1382 |
Attia, David | Montecimar, FR | 14 | 1886 |
Chauvin, Jean-Luc | Uchaux, FR | 9 | 1397 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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