Connecting element for a stabilization system for the vertebral column, and stabilization system for the vertebral column

摘要

To improve a connecting element for a stabilization system for the vertebral column, which includes a first attachment section for fixing to a first bone fixation device, a second attachment section for fixing to a second bone fixation device, and an at least partially flexible intermediate section having at least one recess which is open at the sides, that at least one mechanical property of the intermediate section can be individually set in a simple and safe way, at least one movement limiting member is provided, which comprises a filling body and at least one stop device acting parallel or substantially parallel to the longitudinal axis and/or in the circumferential direction, and that the filling body, in a normal position in which no external forces act on the intermediate section, engage at least partially in the at least one recess.

主权项

1. A connecting element for a stabilization system for the vertebral column, the connecting element comprising:
a first attachment section for fixing to a first bone fixation device; a second attachment section for fixing to a second bone fixation device; an at least partially flexible intermediate section arranged or formed between the first and second attachment sections, said intermediate section having a serpentine shape defining at least one recess which is open at the sides in a direction transverse to a longitudinal axis defined by the intermediate section, the at least one recess delimited by two sections and defining an insertion opening, the two sections extending toward one another in the direction of the insertion opening to define a constriction at the insertion opening; and an anti-twisting device, wherein at least one movement limiting member is provided, which comprises a filling body and at least one stop device acting at least in one of a direction parallel or substantially parallel to the longitudinal axis and a circumferential direction, the filling body having a cross-sectional taper defining a constriction, wherein the filling body, in a normal position in which no external forces act on the intermediate section, engages at least partially in the at least one recess, with the constriction defined by the filling body engaging the constriction defined in the insertion opening to substantially prevent removal of the filling body from the at least one recess, and wherein the anti-twisting device prevents twisting of the intermediate section about the longitudinal axis.