Bone fastener and methods of use

摘要

A bone fastener includes a first portion that defines a longitudinal axis and includes an inner surface defining an implant cavity. An intermediate portion includes a first part having a wall including a first end surface that defines at least a portion of the implant cavity and a second end surface. The intermediate portion further includes a second part having a wall including an end surface connected with the second end surface of the first part and an inner surface. The second part is rotatable relative to the first part. A second portion includes a first end engageable with the inner surface of the second part and a second end configured to penetrate tissue. Systems and methods are disclosed.

主权项

1. A bone fastener comprising:
a first portion defining a longitudinal axis and including an inner surface defining an implant cavity; an intermediate portion including a first part having a wall including a first end surface that defines at least a portion of the implant cavity and a second end surface, the intermediate portion further including a second part having a wall including an end surface connected with the second end surface of the first part and an inner surface, the second part being rotatable relative to the first part, the end surface of the second part including a notch and the second end surface of the first part including a groove configured to receive the notch; and a second portion including a first end engageable with the inner surface of the second part, a second end configured to penetrate tissue and a carrier that engages the inner surface of the first portion.