Patents by Inventor Mark Holthaus

Mark Holthaus 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: 20100160938
    Abstract: A trocar housing for a trocar assembly includes a first housing member selectively coupled to a second housing member, wherein the first and second housing members include aligned apertures shaped and dimensioned for passage of an instrument therethrough. A button latch mechanism selectively couples the first housing member and the second housing member, the button latch mechanism including a latching member which slides about a central axis of the first and second housing members for selectively coupling the first and second housing members.
    Type: Application
    Filed: May 2, 2005
    Publication date: June 24, 2010
    Inventors: Paul Franer, Mark Zeiner, Mark Holthaus
  • Publication number: 20060264992
    Abstract: A trocar housing for a trocar assembly includes a first housing member selectively coupled to a second housing member, wherein the first and second housing members include aligned apertures shaped and dimensioned for passage of an instrument therethrough. A button latch mechanism selectively couples the first housing member and the second housing member, the button latch mechanism including a latching member which slides about a central axis of the first and second housing members for selectively coupling the first and second housing members.
    Type: Application
    Filed: May 2, 2005
    Publication date: November 23, 2006
    Inventors: Paul Franer, Mark Zeiner, Mark Holthaus
  • Publication number: 20050070947
    Abstract: A trocar housing for a trocar assembly includes a first housing member selectively coupled to a second housing member, wherein the first and second housing members include aligned apertures shaped and dimensioned for passage of an instrument therethrough. The trocar housing also includes a rotary latch mechanism selectively coupling the first housing member and the second housing member. The rotary latch mechanism includes a latching member which rotates relative to the first and second housing members about a longitudinal axis of the housing member for selectively coupling the first and second housing members.
    Type: Application
    Filed: September 17, 2004
    Publication date: March 31, 2005
    Inventors: Paul Franer, Mark Zeiner, Mark Holthaus