Patents by Inventor Philip Mark Tetzlaff

Philip Mark Tetzlaff 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).

  • Patent number: 8551091
    Abstract: An end effector assembly for use with an instrument for sealing vessels and cutting vessels includes a pair of opposing first and second jaw members which are movable relative to one another from a first spaced apart position to a second position for grasping tissue therebetween. Each jaw member includes an electrically conductive tissue contacting surface connected to an electrosurgical energy source. At least one of the jaw members includes an electrically conductive cutting element disposed within an insulator defined in the jaw member. At least one channel is included in the insulator which is configured to deliver fluid between the jaw members.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: October 8, 2013
    Assignee: Covidien AG
    Inventors: Gary M. Couture, Craig Weinberg, Philip Mark Tetzlaff
  • Patent number: 6277117
    Abstract: A removable electrode assembly for use in combination with a forceps having opposing end effectors and a handle for effecting movement of the end effectors relative to one another. The electrode assembly includes a housing which is removably engageable with the forceps and a pair of electrodes which are attachable to a distal end of the housing. The electrodes are removably engageable with the end effectors of the forceps such that the electrodes reside in opposing relation relative to one another. The electrode assembly also includes a cover plate which is removably attachable to the housing and at least one stop member for controlling the distance the electrodes move relative to one another.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: August 21, 2001
    Assignee: Sherwood Services AG
    Inventors: Philip Mark Tetzlaff, Steven Paul Buysse, Kate Ryland Lawes, Dale Francis Schmaltz
  • Patent number: D449886
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: October 30, 2001
    Assignee: Sherwood Services AG
    Inventors: Philip Mark Tetzlaff, Steven Paul Buysse, Kate Ryland Lawes, Dale Francis Schmaltz
  • Patent number: D457959
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: May 28, 2002
    Assignee: Sherwood Services AG
    Inventors: Philip Mark Tetzlaff, Duane Eugene Kerr, Patricia Moroney Hoag
  • Patent number: D424694
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: May 9, 2000
    Assignee: Sherwood Services AG
    Inventors: Philip Mark Tetzlaff, Dale Francis Schmaltz, Steven Paul Buysse, Kate Ryland Lawes
  • Patent number: D425201
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: May 16, 2000
    Assignee: Sherwood Services AG
    Inventors: Philip Mark Tetzlaff, Dale Francis Schmaltz, Steven Paul Buysse, Kate Ryland Lawes