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Method of interventional surgery

  • US 6,860,867 B2
  • Filed: 09/20/2001
  • Issued: 03/01/2005
  • Est. Priority Date: 09/20/2001
  • Status: Expired due to Term
First Claim
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1. A method of interventional surgery comprising:

  • inserting an actuator within a body of a vascularized organism and stopping the actuator adjacent a target region within a vessel of the vasculature of the body, the actuator including an expandable section incorporating a needle, the actuator being operable between an unactuated condition in which the expandable section is in a furled state and an actuated condition in which the expandable section is in an unfurled state;

    causing the expandable section to change from the furled state to the unfurled state, to cause the needle to move in a substantially perpendicular direction relative to a wall of the vessel to produce an opening therein; and

    delivering a therapeutic or diagnostic agent from the needle to the target region via the opening in the wall of the vessel.

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