Device removal kit and method therefor

Details Device removal kit and method therefor Device removal kit and method therefor

A - Human Necessities

61

B

A61B 17/88 (2006.01) A61B 17/16 (2006.01) A61B 17/92 (2006.01) A61F 2/44 (2006.01) A61F 2/46 (2006.01) A61B 17/00 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2269269

A kit (100) is for removing a spacer (12) having a surface (22) and ends (24, 26) from a spine (14). The kit (100) includes an osteotome (10), a threaded extractor (54), and a trephine (70), each for releasing spacer (12) from spine (14). Osteotome (10) includes a cutting portion (46) having a surface (48) formed to engage surface (22) of spacer (12) and a tip (52) formed to cut bone surrounding surface (22) of spacer (12). Extractor (54) includes a side wall (64) having threads (66) formed to cut one of the ends (24, 26) of spacer (12) and pull spacer (12) away from spine (14) when side wall (64) rotates relative to spacer (12). Trephine (74) includes a blade (74) having a sleeve (76) defining a passageway (80) and including an edge (64) formed to cut material surrounding surface (22) of spacer (12).

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