Patents by Inventor Chris Ehr

Chris Ehr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080114356
    Abstract: A bipolar electrosurgical instrument for clamping, grasping, manipulating, and sealing tissue includes first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof. The handle being operable to effect movement of the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The bipolar instrument is connectable to a source of electrical energy having a first electrical potential connected to one of the jaw members and a second electrical potential connected to the other of the jaw members such that the jaw members are capable of selectively conducting energy through tissue held therebetween to effect a seal. Both the first and second electrical potentials are transmitted to the jaw members through the first shaft.
    Type: Application
    Filed: January 16, 2008
    Publication date: May 15, 2008
    Inventors: Kristin Johnson, Chris Ehr, Gene Arts
  • Publication number: 20080050984
    Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.
    Type: Application
    Filed: October 24, 2007
    Publication date: February 28, 2008
    Inventors: Chris Ehr, Arthur Schoenman
  • Publication number: 20080033276
    Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.
    Type: Application
    Filed: October 18, 2007
    Publication date: February 7, 2008
    Inventors: Chris Ehr, Arthur Schoenman
  • Publication number: 20070111552
    Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.
    Type: Application
    Filed: January 11, 2007
    Publication date: May 17, 2007
    Inventors: Chris Ehr, Arthur Schoenman
  • Publication number: 20060189980
    Abstract: A bipolar electrosurgical instrument for clamping, grasping, manipulating, and sealing tissue includes first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof. The handle being operable to effect movement of the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The bipolar instrument is connectable to a source of electrical energy having a first electrical potential connected to one of the jaw members and a second electrical potential connected to the other of the jaw members such that the jaw members are capable of selectively conducting energy through tissue held therebetween to effect a seal. Both the first and second electrical potentials are transmitted to the jaw members through the first shaft.
    Type: Application
    Filed: December 23, 2005
    Publication date: August 24, 2006
    Inventors: Kristin Johnson, Chris Ehr, Gene Arts
  • Publication number: 20060178667
    Abstract: An electrosurgical system is provided that includes an electrosurgical generator; and an electrosurgical pencil selectively connectable to the electrosurgical generator. The electrosurgical pencil includes an elongated housing; at least one electrocautery end effector removably supportable within the housing and extending distally from the housing, the electrocautery end effector being connected to the electrosurgical generator; and at least one voltage divider network supported on the housing. The at least one voltage divider network is electrically connected to the electrosurgical generator and controls at least one of the intensity of electrosurgical energy being delivered to the electrosurgical pencil and the mode of electrosurgical energy being delivered to the electrosurgical pencil.
    Type: Application
    Filed: January 24, 2006
    Publication date: August 10, 2006
    Inventors: Joe Sartor, Robert Behnke, Steven Buysse, Chris Ehr
  • Publication number: 20060041257
    Abstract: An electrosurgical pencil is provided and includes an elongated housing having an electrocautery blade supported therein and extending distally from the housing. The electrocautery blade is connected to a source of electrosurgical energy. The pencil further includes a plurality of activation switches supported on the housing for activating electrocautery blade. Each activation switch is configured and adapted to selectively complete a control loop extending from the source of electrosurgical energy upon actuation thereof. In use, actuation of at least one of the plurality of activation switches produces a dividing with hemostatic effect at the electrocautery blade. The electrosurgical pencil further includes at least one voltage divider network supported on the housing. The at least one voltage divider network is electrically connected to the source of electrosurgical energy and controls the intensity of electrosurgical energy being delivered to the electrosurgical pencil.
    Type: Application
    Filed: August 5, 2005
    Publication date: February 23, 2006
    Inventors: Joe Sartor, Chris Ehr, Arlen Reschke
  • Publication number: 20060030195
    Abstract: An electrosurgical system is provided which includes an electrosurgical energy source; a return pad including a conductive surface; and a return pad cable connector selectively connectable to the electrosurgical generator. The return pad cable connector includes a cord having a conductive wire disposed therethrough, the conductive wire have a first end which connects to the electrosurgical energy source; and a connector operatively coupled to the cord. The connector includes a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad and is in electrical contact with a second end of the conductive wire, the conductive surface of the connector including a conductive adhesive disposed thereon; and a non-conductive adhesive disposed about the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed about the periphery of the conductive surface of the return pad.
    Type: Application
    Filed: October 4, 2005
    Publication date: February 9, 2006
    Inventors: Chris Ehr, Joe Sartor
  • Publication number: 20050080407
    Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad clamp further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.
    Type: Application
    Filed: August 17, 2004
    Publication date: April 14, 2005
    Inventors: Chris Ehr, Joe Sartor
  • Publication number: 20050079752
    Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.
    Type: Application
    Filed: May 31, 2002
    Publication date: April 14, 2005
    Inventors: Chris Ehr, Arthur Schoenman
  • Patent number: 6409728
    Abstract: A rotatable bipolar forceps for clamping and coagulating tissue includes a body portion and an electrode which is selectively removable from the body portion. The forceps further includes at least one handle attached to the body portion for imparting movement to a shaft which causes the jaws to move from a first open position wherein the jaws are disposed in spaced relation relative to one another to a second clamping position wherein the jaws cooperate to grasp tissue therebetween. A rotating member rotates the electrode and the jaws relative to a longitudinal axis disposed through the body portion and releasably couples the electrode to the housing.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: June 25, 2002
    Assignee: Sherwood Services AG
    Inventors: Chris Ehr, Heinz Hluchy, Valintina Arroyo