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An apparatus (10) includes a member (12) having an elongate slot (50). A fastener (16) engageable with a bone portion has an end portion (26) extending through the elongate slot (50). A connecting ring (42) connects the member (12) to the fastener (16). The connecting ring (42) is positionable in an

An apparatus (10) includes a member (12) having an elongate slot (50). A fastener (16) engageable with a bone portion has an end portion (26) extending through the elongate slot (50). A connecting ring (42) connects the member (12) to the fastener (16). The connecting ring (42) is positionable in any one of a plurality of positions along the elongate slot (50). The connecting ring (42) has a passage (54) through which the end portion (26) of the fastener (16) extends. The fastener (16) is positionable in any one of a plurality of angular positions relative to the connecting ring (42). First and second portions (64, 66) of the connecting ring (42) engage each other to connect the first and second portions together and prevent relative movement between the first and second portions. A clamping member (28) engages the end portion (26) of the fastener (16) and the connecting ring (42) to connect the connecting ring to the member (12) in any one of the plurality of positions relative to the member and connect the fastener (16) in any one of the plurality of angular positions relative to the connecting ring (42).

대표청구항 ▼

An apparatus (10) includes a member (12) having an elongate slot (50). A fastener (16) engageable with a bone portion has an end portion (26) extending through the elongate slot (50). A connecting ring (42) connects the member (12) to the fastener (16). The connecting ring (42) is positionable in an

An apparatus (10) includes a member (12) having an elongate slot (50). A fastener (16) engageable with a bone portion has an end portion (26) extending through the elongate slot (50). A connecting ring (42) connects the member (12) to the fastener (16). The connecting ring (42) is positionable in any one of a plurality of positions along the elongate slot (50). The connecting ring (42) has a passage (54) through which the end portion (26) of the fastener (16) extends. The fastener (16) is positionable in any one of a plurality of angular positions relative to the connecting ring (42). First and second portions (64, 66) of the connecting ring (42) engage each other to connect the first and second portions together and prevent relative movement between the first and second portions. A clamping member (28) engages the end portion (26) of the fastener (16) and the connecting ring (42) to connect the connecting ring to the member (12) in any one of the plurality of positions relative to the member and connect the fastener (16) in any one of the plurality of angular positions relative to the connecting ring (42). and a second end, said first end of said electrical wire being connected to a tip of said first end of said arm, and said second end of said electrical wire begin connected to a tip of said second end of said arm. 8. The electrode as claimed in claim 7, wherein said electrical wire has a concave shape. 9. The electrode as claimed in claim 7, wherein said arm is substantially U-shaped and has portions of different length.