Title:
SHAPE MEMORY ALLOY DISC REPLACEMENT DEVICE
Document Type and Number:
WIPO Patent Application WO2005097006
Kind Code:
A3
Abstract:
A disc replacement device (100), such as for replacing a spinal disc between two vertebral bodies of the spine. The disc replacement device comprises an upper shell (120), a lower shell (130), and a plurality of compressible pillars (140) each connecting the upper and lower shells and comprising a shape memory alloy. At least one of the plurality of pillars is interiorly offset from perimeters of the upper and lower shells. The disc replacement device may also include one or more fins (150) comprising a shape memory alloy.
Inventors:
BERRY BRETT M (US)
Application Number:
PCT/US2005/009751
Publication Date:
December 08, 2005
Filing Date:
March 23, 2005
Export Citation:
Assignee:
SDGI HOLDINGS INC (US)
BERRY BRETT M (US)
BERRY BRETT M (US)
International Classes:
A61F2/44; A61F2/00; A61F2/30; A61F2/46; (IPC1-7): A61F2/44
Domestic Patent References:
| WO2000074606A1 | 2000-12-14 | |||
| WO1999056676A1 | 1999-11-11 | |||
| WO2001093785A2 | 2001-12-13 | |||
| WO2003028587A2 | 2003-04-10 | |||
| WO2004016217A2 | 2004-02-26 |
Foreign References:
| US6019793A | 2000-02-01 | |||
| US20030009223A1 | 2003-01-09 | |||
| US20040010315A1 | 2004-01-15 | |||
| US20020077702A1 | 2002-06-20 |
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