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Electrosurgical pencil with improved controls

  • US 7,503,917 B2
  • Filed: 08/05/2005
  • Issued: 03/17/2009
  • Est. Priority Date: 11/20/2003
  • Status: Active Grant
First Claim
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1. An electrosurgical pencil, comprising:

  • an elongated housing;

    an electrocautery blade supported within the housing and extending distally from the housing, the electrocautery blade being connected to a source of electrosurgical energy;

    a plurality of activation switches supported on the housing, each activation switch being configured and adapted to selectively complete a control loop extending from the source of electrosurgical energy upon actuation thereof;

    wherein actuation of at least one of the plurality of activation switches produces a dividing with hemostatic effect at the electrocautery blade; and

    at least one voltage divider network supported on the housing, the at least one voltage divider network being electrically connected to the source of electrosurgical energy and controlling the intensity of electrosurgical energy being delivered to the electrosurgical pencil.

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