Patent ID: 11871966
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method for securing a longitudinal connection member assembly into a plurality of bone anchors, the method comprising:
inserting the longitudinal connection member assembly into the plurality of bone anchors before or after the longitudinal connection member assembly is tensioned, the longitudinal connection member assembly comprising:
an elongated first structure securable to a first bone anchor before or after the longitudinal connection member assembly is tensioned;
an elongated second structure having a through-bore, the second structure securable to a second bone anchor before or after the longitudinal connection member assembly is tensioned;
a tensionable cord having a first end portion and a second end portion opposite the first end portion, the cord extending through the through-bore of the second structure, the first end portion being fixedly connected to the first structure before or after the longitudinal connection member assembly is tensioned and the cord being tensionable only from the second end portion;
a compressible spacer having a spacer through-bore, the cord extending through the spacer through-bore, the spacer being positioned on the cord between the first and second structure;
an outer end blocker having oppositely spaced lateral external planar surfaces that are parallel with respect to one another, a blocker through-bore having a longitudinal axis, and a threaded closed bore intersecting the through-bore for releasably engaging a set screw, the cord second end portion extending through the blocker through-bore, the planar surfaces parallel with respect to the longitudinal axis;
an elastic bumper having a through-bore and outer surface disposed between the second structure and the outer end blocker; and
the set screw releasably engageable to the outer end blocker via the threaded closed bore;

tensioning the cord from the second end portion;
holding the planar surfaces during tensioning of the cord within the blocker; and
securing the tensioned cord to the outer end blocker by the set screw, the set screw directly compressible against the tensioned cord to hold the cord in tension and the bumper in a deformed and compressed state;
wherein after tensioning of the cord, the second structure is in slidable relation with the cord when secured to the second bone anchor; and
wherein the elastic bumper outer surface has a cylindrical shape prior to being compressed and deforms into a convex shape when held in compression prior to the second structure being moved along the tensioned cord.