Receiving part for receiving a rod for coupling the rod to a bone anchoring element

摘要

A receiving part for receiving a rod for coupling the rod to a bone anchoring element includes a receiving part body including a first end and a second end, and having a substantially U-shaped recess at the first end forming a channel for receiving the rod, and an accommodation space for accommodating a head of the bone anchoring element, the accommodation space having an opening at the second end for introducing the head; and a pressure element arranged at least partially in the accommodation space, the pressure element including a first section having a second recess for receiving the rod, and a second section having a flexible portion to clamp the head, the first section and the second section being fixed relative to each other, wherein said pressure element is insertable from the opening.

主权项

1. A receiving part for receiving a rod for coupling the rod to a bone anchoring element, the receiving part comprising:
a receiving part body having a first end, a second end, an axis extending through the first end and the second end, a substantially U-shaped recess at the first end forming a channel for receiving the rod, and an accommodation space for accommodating a head of the bone anchoring element, the accommodation space having an opening at the second end for introducing the head; and a pressure element configured to be arranged at least partially in the accommodation space, the pressure element comprising a first section having a second recess for receiving the rod, and a second section having an expandable portion to insert and clamp the head, the pressure element having a slit extending from a free end of the second section and having an opposite end spaced apart from a free end of the first section, wherein the first section and the second section are axially connected to one another, wherein the first and second sections of the pressure element are insertable through the opening at the second end of the receiving part body toward the first end of the receiving part body, and wherein the first section of the pressure element is configured to abut against a stop in the receiving part body to position the expandable portion in the accommodation space.