Rod insertion device

A rod insertion device for inserting a spinal stabilization rod into at least two bone anchors, the rod insertion device comprising:

• a rod guide configured to accommodate a spinal stabilization rod therein;
• a holding device comprising:
• a base portion;
• and
• a clamping portion coupled to the base portion, the clamping portion comprising a first locking device and a second locking device, the clamping portion being configured to support a portion of the rod guide, and the first locking device being configured to clamp the clamping portion onto the portion of the rod guide;
• and
• an adapter configured to moveably support the holding device,
• wherein, in a first state, the second locking device is engaged with the rod guide to fix the rod guide to the clamping portion, and
• wherein, in a second state, the holding device supports the portion of the rod guide and the second locking device is disengaged from the rod guide to permit an orientation of the rod guide relative to the clamping portion to be polyaxially adjusted.

A method for inserting a spinal stabilization rod into at least two bone anchors utilizing a rod insertion system, the rod insertion system comprising a first bone anchor and a second bone anchor, each of the first and second bone anchors having a receiving part having a rod channel;

• an extension configured to be mounted to the receiving part of the first bone anchor;
• a tubular rod guide configured to accommodate a spinal stabilization rod therein;
• a holding device comprising a clamping portion configured to hold a portion of the rod guide;
• and an adapter configured to be connected to the extension and configured to moveably support the holding device, wherein, when the adapter is connected to the extension and the portion of the rod guide is supported by the holding device, the holding device is configured to move and pivot along the adapter such that a front portion of the rod guide is positioned proximal to the rod channel of the first bone anchor, wherein, in a first state, the rod guide is fixed to the holding device by the clamping portion, and wherein, in a second state in which the holding device supports the portion of the rod guide, the clamping portion is sufficiently released from the portion of the rod guide to permit an orientation of the rod guide relative to the holding device to be polyaxially adjusted, the method comprising:
• in the first state, inserting the holding device into grooves at a top end of the adapter;
• sliding the holding device along the grooves in the adapter such that the holding device moves and pivots to cut soft tissue and positions a distal end of the rod guide proximal to the rod channel of the first bone anchor;
• inserting the spinal stabilization rod into a proximal end of the rod guide;
• and
• advancing the rod through the rod guide and into the rod channel of the first bone anchor.