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Methods and Apparatuses for Navigating the Subaracnhnoid Space

  • US 20090076357A1
  • Filed: 11/25/2008
  • Published: 03/19/2009
  • Est. Priority Date: 07/13/2001
  • Status: Active Grant
First Claim
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1. A method of achieving intracranial access from an entry location in spinal subarachnoid space, comprising:

  • introducing a guidewire into the spinal subarachnoid space;

    introducing a device over the guidewire and into the spinal subarachnoid space;

    advancing the device from the spinal subarachnoid space into the intracranial subarachnoid space;

    introducing a penetration apparatus through the device;

    puncturing the pia mater using the penetration apparatus;

    advancing an electrode through the device and through the pia mater; and

    placing the electrode on or in brain tissue.

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