Patent ID: 7261715

Claim:
An apparatus, comprising: a receiver member having a body portion with a channel for accommodating a part of an elongated member and at least one opening for a locking member, and an extension portion extending from said body portion substantially transversely to said channel, said extension portion having a hole therethrough communicating with said channel; a generally U-shaped grommet member having at least two prongs and a passage for accommodating a part of a bone fixation member, said prongs being inserted into said hole through said extension portion so that said grommet member is rotatably connected with said receiver member; a fixing member lodged between at least two of said prongs, whereby said grommet member is prevented from being removed from said receiver member; a first disk connected to said extension portion of said receiver member, said first disk having a first surface with a groove for contacting said elongated member, and a second surface having radial splines; a second disk connected to said grommet member, said second disk having a first surface with a groove for contacting said bone fixation member and a second surface having radial splines; wherein said second surfaces of said first and second disks face each other.