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Instruments for targeting a joint defect

  • US 9,259,257 B2
  • Filed: 11/19/2010
  • Issued: 02/16/2016
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. A surgical positioning instrument for controlled delivery of a device to a target region of a bone, comprising:

  • an alignment guide having a plurality of device portals for insertion of a device therethrough and toward the target region of the bone, wherein the device portals have a predetermined spatial relationship relative to each other;

    a rail attachable, in the alternative, to a left side of the alignment guide and a right side of the alignment guide;

    a positioning instrument having a body with a slot extending therethrough, the slot sized and shaped to receive the rail to allow for adjustable angular positioning of the alignment guide relative to the positioning instrument; and

    an indicator probe adjustably coupled to the positioning instrument, the indicator probe serving as a reference to the bone and being configured for placement against an anatomical landmark of the bone without breaching a cartilage surface of the bone;

    wherein each device portal is configured to provide accurate and controlled delivery of the device to the target region indicated by the indicator probe; and

    wherein the target region is a projected location that resides along trajectories defined by the device portals and the target region is spaced apart from the indicator probe, the trajectories of the device portals extending parallel or at an angle relative to the indicator probe.

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