Sternal closure cerclage, plate implant and instrumentation

A closure system for securing a first bone portion to a second bone portion, the closure system comprising:

• a bracket configured to engage at least one of the first and second bone portions;
• a cerclage engaging the bracket and configured to be looped around the first and second bone portions;
• and
• a tensioning device configured to tension the cerclage relative to the first and second bone portions;
• wherein the tensioning device includes a body and a threaded member, the threaded member received in the body and engaging the cerclage such that rotation of the threaded member relative to the body moves a first end of the cerclage relative to a second end of the cerclage.

A closure system for securing a first bone portion to a second bone portion, the closure system comprising:

• a bracket configured to engage at least one of the first and second bone portions;
• a cerclage engaging the bracket and configured to be looped around the first and second bone portions;
• an outer member covering at least a portion of the cerclage;
• and
• a tensioning device configured to tension the cerclage relative to the first and second bone portions;
• wherein the tensioning device includes a body and a threaded member, the threaded member received in the body and engaging the cerclage such that rotation of the threaded member relative to the body moves a first end of the cerclage relative to a second end of the cerclage.