Patent ID: 11931076
Assignee: BIEDERMANN TECHNOLOGIES GMBH & CO. KG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 10:
11. A bone anchoring device comprising:
a bone anchoring element having a head and a shank configured to be anchored to a bone;
a receiving part configured to pivotably receive the head, the receiving part having a first end, a second end below the first end, a central axis extending between the first and second ends, and a channel at the first end for receiving a rod;
a pressure member positionable in the receiving part to exert pressure on the head to clamp the head in the receiving part, the pressure member comprising two walls that form a recess for receiving the rod, and an upwardly facing rim that extends radially outwardly from each of the two walls, wherein the rim extends circumferentially around at least a majority of each of the two walls; and
a monolithic locking member movable in the channel to engage the pressure member, the locking member comprising an outer surface that is directly engageable with the receiving part to hold the locking member in the channel;
wherein when the head, the pressure member, and the locking member are in the receiving part, the rim is configured to extend radially at least as far from the central axis as a greatest radial distance measured between the central axis and one of the two walls, and the locking member is movable in the channel to a position where the locking member directly engages and applies an axially downward force on free ends of the two walls of the pressure member, while part of the locking member extends downward past the free ends of the two walls to a position between the two walls.