NAVIGATION AND POSITIONING SYSTEMS AND GUIDE INSTRUMENTS FOR JOINT REPAIR

摘要

A system and associated instruments for locating, and accurately and controllably delivering, a device to an area sufficiently near a bone defect using anatomical landmarks is provided. The instruments allow the surgeon to navigate to the area around the one defect quickly and easily, while so facilitating proper insertion of the device. In some embodiments, the defect is located on a femur. Guide instruments having a plurality of device portals are also provided for use as standalone instruments or as accessories to the system. In addition, a protective guide sleeve is provided for the insert on of small diameter devices.

主权项

1. A system for controlled delivery of a device to a target area near a defect of a bone comprising:
a guide frame for holding one or more surgical access guide components, each guide component having visual markers for determining a surgical access trajectory of the device to the target area, at least one of the guide components including a plurality of device portals, each portal defining a trajectory and being configured to provide accurate and controlled delivery of the device to the target area; and a holder for the guide frame, the holder securing the guide frame relative to the bone; wherein the surgical access guide components provide a 3-dimensional assessment of the surgical access trajectory of the device in two different view planes.