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Image-guided therapy of a tissue

  • US 9,492,121 B2
  • Filed: 03/18/2015
  • Issued: 11/15/2016
  • Est. Priority Date: 03/18/2014
  • Status: Active Grant
First Claim
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1. A neurosurgical instrument introduction apparatus comprising:

  • a low profile skull anchor device configured to attach to an area of a skull of a patient, the low profile skull anchor device including an upper surface and a lower surface, whereinthe low profile skull anchor device comprises a central opening at least sixty millimeters in diameter for providing access to an entry formed in the skull of the patient,the low profile skull anchor device includes at least two different types of fasteners for connecting to the skull of the patient, andthe lower surface of the low profile skull anchor device forms a gap between a surface of the skull of the patient upon mounting the low profile skull anchor device to the skull of the patient, whereinthe gap provides clearance for a scalp region of the patient without skin compression, andthe gap is 30 millimeters or less from the surface of the skull of the patient; and

    a removable guide stem configured to detachably connect to the low profile skull anchor device, whereinthe removable guide stem comprises an opening that, when connected to the low profile skull anchor device, is positioned above the entry formed in the skull of the patient, andthe removable guide stem is configured to adjust a trajectory corresponding to the opening of the removable guide stem in at least one of a pivot alignment and a rotation alignment.

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