Split eyebolt for spinal rod

Details Split eyebolt for spinal rod Split eyebolt for spinal rod

A - Human Necessities

61

B

A61B 17/58 (2006.01) A61B 17/70 (2006.01) F16B 2/06 (2006.01)

Patent

CA 2125169

2125169 9310728 PCTABS00022 The eye and threaded shaft of an eyebolt (46) are formed by a combination of two shell-like portions (46A, 46B), each having threaded bosses (48A, 48B) at distal ends thereof. The distal ends are placed around a spinal rod (14) simultaneously with insertion of one of the shell-like portions through the yoke (27, 28) of a spinal hook (22). Then the bosses are brought toward each other and the two bosses combine to form a bolt onto which a nut (36) is threaded to clamp the eyebolt, and thereby the hook, tightly on a spinal rod. The two threaded bosses have an interfitting rib (51) and groove (49) to maintain alignment of the threads of the two bosses. The eyebolt of this invention allows a connecting hook to be installed on a spinal rod in situ between other devices already installed on the spinal rod.

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