Importance

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Abstract

A bone anchor (1, 101, 201), comprising:

a main body defining a longitudinal axis (26) and comprising: a head (6, 106, 206); anda shank (2); at least one longitudinal recess (3, 103, 203) having a first end formed at the head (6, 106, 206) and a second end fanned at the shank (2), the recess (3, 103, 203) extending from the first end through a portion of the head (6, 106, 206) and along a portion of the shank (2) to the second end, wherein the recess (3, 103, 203) is configured to receive therein a pin-shaped element (4, 104, 204);a stop (36) being provided at the second end of the recess (3, 103, 203), said stop (36) being configured to engage or abut a distal end portion (43) of the pin-shaped element (4, 104, 204);a locking structure (5, 105, 205) being provided adjacent the first end of the recess (3, 103, 203), said locking structure (5, 105, 205) being configured to engage and exert a biasing force on a proximal end portion (42, 142, 242) of the pin-shaped element (4, 104, 204) towards the stop (36) such as to stress and bend an intermediate portion (44) of the pin-shaped element (4, 104, 204) in a transverse direction (E) away from the shank (2).

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First Claim