主权项 |
1. An anchor assembly, comprising:
a head member having a proximal end and a distal end, the head member defining a proximal opening at the proximal end, a distal opening at the distal end, a passageway extending from the proximal opening to the distal opening, a proximal portion having a first inner surface and defining a proximal chamber of the passageway, and a distal portion having a second inner surface defining a distal chamber of the passageway, the proximal portion defining a lateral opening continuous with the proximal opening and the second inner surface defining a channel having a proximal portion having a first depth and a distal portion having a second depth that is less than the first depth; a retaining member disposed within the distal portion of the channel; a compression member exerting a force to maintain the retaining member within the distal portion of the channel; and an anchor having a head and a shank, the head partially disposed within the distal chamber of the passageway; a sleeve partially disposed within the distal chamber of the passageway; and wherein the compression member is disposed between the distal end of the head member and a portion of the sleeve. |