Stabilized laterovertically-expanding fusion cage systems with tensioner

An intervertebral scaffolding system, comprising;

• a central beam comprising one or more bone graft distribution ports;
• and
• a laterovertically-expanding frame configured to be inserted into an intervertebral space in vivo and configured to expand between a collapsed state and an expanded state, wherein the central beam is inserted into the frame in the expanded state;
• the frame comprising:
• a proximal portion having an end, a distal portion having an end, and a central frame axis;
• a first top beam including a proximal portion having an end and a distal portion having an end, a central axis at least substantially on (i) a top plane containing the central axis of the first top beam and a central axis of a second top beam and (ii) a first side plane containing the central axis of the first top beam and a central axis of a first bottom beam;
• the second top beam including a proximal portion having an end and a distal portion having an end, the central axis of the second top beam at least substantially on (i) the top plane and (ii) a second side plane containing the central axis of the second top beam and a central axis of a second bottom beam;
• the first bottom beam including a proximal portion having an end and a distal portion having an end, the central axis of the first bottom beam at least substantially on (i) a bottom plane containing the central axis of the first bottom beam and the central axis of the second top beam and (ii) the first side plane;
• the second bottom beam including a proximal portion having an end and a distal portion having an end, the central axis of the second bottom beam at least substantially on (i) the bottom plane and (ii) a second side plane containing the central axis of the second bottom beam and the central axis of the second top beam;
• a plurality of flexible top connector elements configured to expandably connect the first top beam to the second top beam, the expanding consisting of a flexing at least substantially on the top plane;
• a plurality of flexible bottom connector elements configured to expandably connect the first bottom beam to the second bottom beam, the expanding consisting of a flexing at least substantially on the bottom plane;
• a plurality of flexible first side connector elements configured to expandably connect the first top beam to the first bottom beam, the expanding consisting of a flexing at least substantially on the first side plane;
• a plurality of flexible second side connector elements configured to expandably connect the second top beam to the second bottom beam, the expanding consisting of a flexing at least substantially on the second side plane;
• a top tensioner operably attaching the first top beam to the second top beam;
• a bottom tensioner operably attaching the first bottom beam to the second bottom beam;
• and,
• a stabilizer that slidably engages with the distal portion of the first top beam, the first bottom beam, the second top beam, and the second bottom beam, and is configured for retaining the first top beam, the first bottom beam, the second top beam, and the second bottom beam from a lateral movement that exceeds the expanded state;
• wherein, the connector elements are configured to maintain structural stiffness in the laterovertically-expanding frame.