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Wound mediating device

  • US 8,123,744 B2
  • Filed: 08/29/2006
  • Issued: 02/28/2012
  • Est. Priority Date: 08/29/2006
  • Status: Expired due to Fees
First Claim
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1. A wound mediating surgical instrument comprising:

  • an electrosurgical instrument having an internal chamber;

    a fluid pressure source coupled to the electrosurgical instrument and in fluid communication with the internal chamber, the fluid pressure source operable to provide a fluid stream through the internal chamber;

    an active electrode that receives an energy signal from a generator, wherein when the electrosurgical instrument is operated in a first mode the active electrode ionizes the fluid stream as the fluid stream flows toward a wound to coagulate tissue;

    a wound mediating device coupled to the electrosurgical instrument and including a container, a slurry disposed within the container, a plurality of microbubbles suspended in the slurry and a wound mediating substance encapsulated in the microbubbles; and

    a valve for selectively introducing the slurry into the fluid stream of the internal chamber downstream of the fluid pressure source in a second operating mode where the active electrode ionizes the fluid stream as the fluid stream and slurry flow toward the wound, wherein the fluid stream is a gas.

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