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Tissue Access Guidewire System and Method

  • US 20080086034A1
  • Filed: 08/29/2006
  • Published: 04/10/2008
  • Est. Priority Date: 08/29/2006
  • Status: Abandoned Application
First Claim
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1. A tissue access device for providing access to target tissue in a patient'"'"'s body while protecting non-target tissue, the device comprising:

  • a shaft having a proximal portion, a distal portion, and at least one lumen passing longitudinally through at least the proximal portion to allow passage of at least one additional device therethrough;

    at least one side-facing aperture in at least one of the proximal and distal shaft portions, through which the at least one additional device may be exposed to the target tissue; and

    a guidewire coupling member on the distal portion of the shaft for coupling with a guidewire to allow the tissue access device to be pulled behind the guidewire to position its distal portion between the target and non-target tissues with the aperture facing the target tissue.

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