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Ultrasonic surgical system having a fluid cooled blade and related cooling methods therefor

  • US 8,974,478 B2
  • Filed: 09/20/2011
  • Issued: 03/10/2015
  • Est. Priority Date: 09/20/2011
  • Status: Active Grant
First Claim
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1. An ultrasonic surgical instrument for use in an insufflated surgical environment, comprising:

  • a housing having an elongated shaft extending distally therefrom, wherein the elongated shaft is configured for insertion into an insufflated surgical environment;

    a waveguide extending from a distal end of the elongated shaft;

    a coolant inlet port defined in an outer surface of the elongated shaft and configured to receive insufflation gas from an insufflated surgical environment;

    a coolant outlet port positioned distal to the coolant inlet port; and

    a coolant pump disposed within the housing and configured to move insufflation gas from the coolant inlet port to the coolant outlet port.

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